cregit-Linux how code gets into the kernel

Release 4.7 drivers/block/DAC960.c

Directory: drivers/block
/*

  Linux Driver for Mylex DAC960/AcceleRAID/eXtremeRAID PCI RAID Controllers

  Copyright 1998-2001 by Leonard N. Zubkoff <lnz@dandelion.com>
  Portions Copyright 2002 by Mylex (An IBM Business Unit)

  This program is free software; you may redistribute and/or modify it under
  the terms of the GNU General Public License Version 2 as published by the
  Free Software Foundation.

  This program is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  for complete details.

*/



#define DAC960_DriverVersion			"2.5.49"

#define DAC960_DriverDate			"21 Aug 2007"


#include <linux/module.h>
#include <linux/types.h>
#include <linux/miscdevice.h>
#include <linux/blkdev.h>
#include <linux/bio.h>
#include <linux/completion.h>
#include <linux/delay.h>
#include <linux/genhd.h>
#include <linux/hdreg.h>
#include <linux/blkpg.h>
#include <linux/dma-mapping.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/mutex.h>
#include <linux/proc_fs.h>
#include <linux/seq_file.h>
#include <linux/reboot.h>
#include <linux/spinlock.h>
#include <linux/timer.h>
#include <linux/pci.h>
#include <linux/init.h>
#include <linux/jiffies.h>
#include <linux/random.h>
#include <linux/scatterlist.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include "DAC960.h"


#define DAC960_GAM_MINOR	252


static DEFINE_MUTEX(DAC960_mutex);

static DAC960_Controller_T *DAC960_Controllers[DAC960_MaxControllers];

static int DAC960_ControllerCount;

static struct proc_dir_entry *DAC960_ProcDirectoryEntry;


static long disk_size(DAC960_Controller_T *p, int drive_nr) { if (p->FirmwareType == DAC960_V1_Controller) { if (drive_nr >= p->LogicalDriveCount) return 0; return p->V1.LogicalDriveInformation[drive_nr]. LogicalDriveSize; } else { DAC960_V2_LogicalDeviceInfo_T *i = p->V2.LogicalDeviceInformation[drive_nr]; if (i == NULL) return 0; return i->ConfigurableDeviceSize; } }

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static int DAC960_open(struct block_device *bdev, fmode_t mode) { struct gendisk *disk = bdev->bd_disk; DAC960_Controller_T *p = disk->queue->queuedata; int drive_nr = (long)disk->private_data; int ret = -ENXIO; mutex_lock(&DAC960_mutex); if (p->FirmwareType == DAC960_V1_Controller) { if (p->V1.LogicalDriveInformation[drive_nr]. LogicalDriveState == DAC960_V1_LogicalDrive_Offline) goto out; } else { DAC960_V2_LogicalDeviceInfo_T *i = p->V2.LogicalDeviceInformation[drive_nr]; if (!i || i->LogicalDeviceState == DAC960_V2_LogicalDevice_Offline) goto out; } check_disk_change(bdev); if (!get_capacity(p->disks[drive_nr])) goto out; ret = 0; out: mutex_unlock(&DAC960_mutex); return ret; }

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static int DAC960_getgeo(struct block_device *bdev, struct hd_geometry *geo) { struct gendisk *disk = bdev->bd_disk; DAC960_Controller_T *p = disk->queue->queuedata; int drive_nr = (long)disk->private_data; if (p->FirmwareType == DAC960_V1_Controller) { geo->heads = p->V1.GeometryTranslationHeads; geo->sectors = p->V1.GeometryTranslationSectors; geo->cylinders = p->V1.LogicalDriveInformation[drive_nr]. LogicalDriveSize / (geo->heads * geo->sectors); } else { DAC960_V2_LogicalDeviceInfo_T *i = p->V2.LogicalDeviceInformation[drive_nr]; switch (i->DriveGeometry) { case DAC960_V2_Geometry_128_32: geo->heads = 128; geo->sectors = 32; break; case DAC960_V2_Geometry_255_63: geo->heads = 255; geo->sectors = 63; break; default: DAC960_Error("Illegal Logical Device Geometry %d\n", p, i->DriveGeometry); return -EINVAL; } geo->cylinders = i->ConfigurableDeviceSize / (geo->heads * geo->sectors); } return 0; }

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static unsigned int DAC960_check_events(struct gendisk *disk, unsigned int clearing) { DAC960_Controller_T *p = disk->queue->queuedata; int drive_nr = (long)disk->private_data; if (!p->LogicalDriveInitiallyAccessible[drive_nr]) return DISK_EVENT_MEDIA_CHANGE; return 0; }

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static int DAC960_revalidate_disk(struct gendisk *disk) { DAC960_Controller_T *p = disk->queue->queuedata; int unit = (long)disk->private_data; set_capacity(disk, disk_size(p, unit)); return 0; }

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static const struct block_device_operations DAC960_BlockDeviceOperations = { .owner = THIS_MODULE, .open = DAC960_open, .getgeo = DAC960_getgeo, .check_events = DAC960_check_events, .revalidate_disk = DAC960_revalidate_disk, }; /* DAC960_AnnounceDriver announces the Driver Version and Date, Author's Name, Copyright Notice, and Electronic Mail Address. */
static void DAC960_AnnounceDriver(DAC960_Controller_T *Controller) { DAC960_Announce("***** DAC960 RAID Driver Version " DAC960_DriverVersion " of " DAC960_DriverDate " *****\n", Controller); DAC960_Announce("Copyright 1998-2001 by Leonard N. Zubkoff " "<lnz@dandelion.com>\n", Controller); }

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/* DAC960_Failure prints a standardized error message, and then returns false. */
static bool DAC960_Failure(DAC960_Controller_T *Controller, unsigned char *ErrorMessage) { DAC960_Error("While configuring DAC960 PCI RAID Controller at\n", Controller); if (Controller->IO_Address == 0) DAC960_Error("PCI Bus %d Device %d Function %d I/O Address N/A " "PCI Address 0x%X\n", Controller, Controller->Bus, Controller->Device, Controller->Function, Controller->PCI_Address); else DAC960_Error("PCI Bus %d Device %d Function %d I/O Address " "0x%X PCI Address 0x%X\n", Controller, Controller->Bus, Controller->Device, Controller->Function, Controller->IO_Address, Controller->PCI_Address); DAC960_Error("%s FAILED - DETACHING\n", Controller, ErrorMessage); return false; }

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/* init_dma_loaf() and slice_dma_loaf() are helper functions for aggregating the dma-mapped memory for a well-known collection of data structures that are of different lengths. These routines don't guarantee any alignment. The caller must include any space needed for alignment in the sizes of the structures that are passed in. */
static bool init_dma_loaf(struct pci_dev *dev, struct dma_loaf *loaf, size_t len) { void *cpu_addr; dma_addr_t dma_handle; cpu_addr = pci_alloc_consistent(dev, len, &dma_handle); if (cpu_addr == NULL) return false; loaf->cpu_free = loaf->cpu_base = cpu_addr; loaf->dma_free =loaf->dma_base = dma_handle; loaf->length = len; memset(cpu_addr, 0, len); return true; }

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static void *slice_dma_loaf(struct dma_loaf *loaf, size_t len, dma_addr_t *dma_handle) { void *cpu_end = loaf->cpu_free + len; void *cpu_addr = loaf->cpu_free; BUG_ON(cpu_end > loaf->cpu_base + loaf->length); *dma_handle = loaf->dma_free; loaf->cpu_free = cpu_end; loaf->dma_free += len; return cpu_addr; }

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Total72100.00%6100.00%


static void free_dma_loaf(struct pci_dev *dev, struct dma_loaf *loaf_handle) { if (loaf_handle->cpu_base != NULL) pci_free_consistent(dev, loaf_handle->length, loaf_handle->cpu_base, loaf_handle->dma_base); }

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/* DAC960_CreateAuxiliaryStructures allocates and initializes the auxiliary data structures for Controller. It returns true on success and false on failure. */
static bool DAC960_CreateAuxiliaryStructures(DAC960_Controller_T *Controller) { int CommandAllocationLength, CommandAllocationGroupSize; int CommandsRemaining = 0, CommandIdentifier, CommandGroupByteCount; void *AllocationPointer = NULL; void *ScatterGatherCPU = NULL; dma_addr_t ScatterGatherDMA; struct pci_pool *ScatterGatherPool; void *RequestSenseCPU = NULL; dma_addr_t RequestSenseDMA; struct pci_pool *RequestSensePool = NULL; if (Controller->FirmwareType == DAC960_V1_Controller) { CommandAllocationLength = offsetof(DAC960_Command_T, V1.EndMarker); CommandAllocationGroupSize = DAC960_V1_CommandAllocationGroupSize; ScatterGatherPool = pci_pool_create("DAC960_V1_ScatterGather", Controller->PCIDevice, DAC960_V1_ScatterGatherLimit * sizeof(DAC960_V1_ScatterGatherSegment_T), sizeof(DAC960_V1_ScatterGatherSegment_T), 0); if (ScatterGatherPool == NULL) return DAC960_Failure(Controller, "AUXILIARY STRUCTURE CREATION (SG)"); Controller->ScatterGatherPool = ScatterGatherPool; } else { CommandAllocationLength = offsetof(DAC960_Command_T, V2.EndMarker); CommandAllocationGroupSize = DAC960_V2_CommandAllocationGroupSize; ScatterGatherPool = pci_pool_create("DAC960_V2_ScatterGather", Controller->PCIDevice, DAC960_V2_ScatterGatherLimit * sizeof(DAC960_V2_ScatterGatherSegment_T), sizeof(DAC960_V2_ScatterGatherSegment_T), 0); if (ScatterGatherPool == NULL) return DAC960_Failure(Controller, "AUXILIARY STRUCTURE CREATION (SG)"); RequestSensePool = pci_pool_create("DAC960_V2_RequestSense", Controller->PCIDevice, sizeof(DAC960_SCSI_RequestSense_T), sizeof(int), 0); if (RequestSensePool == NULL) { pci_pool_destroy(ScatterGatherPool); return DAC960_Failure(Controller, "AUXILIARY STRUCTURE CREATION (SG)"); } Controller->ScatterGatherPool = ScatterGatherPool; Controller->V2.RequestSensePool = RequestSensePool; } Controller->CommandAllocationGroupSize = CommandAllocationGroupSize; Controller->FreeCommands = NULL; for (CommandIdentifier = 1; CommandIdentifier <= Controller->DriverQueueDepth; CommandIdentifier++) { DAC960_Command_T *Command; if (--CommandsRemaining <= 0) { CommandsRemaining = Controller->DriverQueueDepth - CommandIdentifier + 1; if (CommandsRemaining > CommandAllocationGroupSize) CommandsRemaining = CommandAllocationGroupSize; CommandGroupByteCount = CommandsRemaining * CommandAllocationLength; AllocationPointer = kzalloc(CommandGroupByteCount, GFP_ATOMIC); if (AllocationPointer == NULL) return DAC960_Failure(Controller, "AUXILIARY STRUCTURE CREATION"); } Command = (DAC960_Command_T *) AllocationPointer; AllocationPointer += CommandAllocationLength; Command->CommandIdentifier = CommandIdentifier; Command->Controller = Controller; Command->Next = Controller->FreeCommands; Controller->FreeCommands = Command; Controller->Commands[CommandIdentifier-1] = Command; ScatterGatherCPU = pci_pool_alloc(ScatterGatherPool, GFP_ATOMIC, &ScatterGatherDMA); if (ScatterGatherCPU == NULL) return DAC960_Failure(Controller, "AUXILIARY STRUCTURE CREATION"); if (RequestSensePool != NULL) { RequestSenseCPU = pci_pool_alloc(RequestSensePool, GFP_ATOMIC, &RequestSenseDMA); if (RequestSenseCPU == NULL) { pci_pool_free(ScatterGatherPool, ScatterGatherCPU, ScatterGatherDMA); return DAC960_Failure(Controller, "AUXILIARY STRUCTURE CREATION"); } } if (Controller->FirmwareType == DAC960_V1_Controller) { Command->cmd_sglist = Command->V1.ScatterList; Command->V1.ScatterGatherList = (DAC960_V1_ScatterGatherSegment_T *)ScatterGatherCPU; Command->V1.ScatterGatherListDMA = ScatterGatherDMA; sg_init_table(Command->cmd_sglist, DAC960_V1_ScatterGatherLimit); } else { Command->cmd_sglist = Command->V2.ScatterList; Command->V2.ScatterGatherList = (DAC960_V2_ScatterGatherSegment_T *)ScatterGatherCPU; Command->V2.ScatterGatherListDMA = ScatterGatherDMA; Command->V2.RequestSense = (DAC960_SCSI_RequestSense_T *)RequestSenseCPU; Command->V2.RequestSenseDMA = RequestSenseDMA; sg_init_table(Command->cmd_sglist, DAC960_V2_ScatterGatherLimit); } } return true; }

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/* DAC960_DestroyAuxiliaryStructures deallocates the auxiliary data structures for Controller. */
static void DAC960_DestroyAuxiliaryStructures(DAC960_Controller_T *Controller) { int i; struct pci_pool *ScatterGatherPool = Controller->ScatterGatherPool; struct pci_pool *RequestSensePool = NULL; void *ScatterGatherCPU; dma_addr_t ScatterGatherDMA; void *RequestSenseCPU; dma_addr_t RequestSenseDMA; DAC960_Command_T *CommandGroup = NULL; if (Controller->FirmwareType == DAC960_V2_Controller) RequestSensePool = Controller->V2.RequestSensePool; Controller->FreeCommands = NULL; for (i = 0; i < Controller->DriverQueueDepth; i++) { DAC960_Command_T *Command = Controller->Commands[i]; if (Command == NULL) continue; if (Controller->FirmwareType == DAC960_V1_Controller) { ScatterGatherCPU = (void *)Command->V1.ScatterGatherList; ScatterGatherDMA = Command->V1.ScatterGatherListDMA; RequestSenseCPU = NULL; RequestSenseDMA = (dma_addr_t)0; } else { ScatterGatherCPU = (void *)Command->V2.ScatterGatherList; ScatterGatherDMA = Command->V2.ScatterGatherListDMA; RequestSenseCPU = (void *)Command->V2.RequestSense; RequestSenseDMA = Command->V2.RequestSenseDMA; } if (ScatterGatherCPU != NULL) pci_pool_free(ScatterGatherPool, ScatterGatherCPU, ScatterGatherDMA); if (RequestSenseCPU != NULL) pci_pool_free(RequestSensePool, RequestSenseCPU, RequestSenseDMA); if ((Command->CommandIdentifier % Controller->CommandAllocationGroupSize) == 1) { /* * We can't free the group of commands until all of the * request sense and scatter gather dma structures are free. * Remember the beginning of the group, but don't free it * until we've reached the beginning of the next group. */ kfree(CommandGroup); CommandGroup = Command; } Controller->Commands[i] = NULL; } kfree(CommandGroup); if (Controller->CombinedStatusBuffer != NULL) { kfree(Controller->CombinedStatusBuffer); Controller->CombinedStatusBuffer = NULL; Controller->CurrentStatusBuffer = NULL; } if (ScatterGatherPool != NULL) pci_pool_destroy(ScatterGatherPool); if (Controller->FirmwareType == DAC960_V1_Controller) return; if (RequestSensePool != NULL) pci_pool_destroy(RequestSensePool); for (i = 0; i < DAC960_MaxLogicalDrives; i++) { kfree(Controller->V2.LogicalDeviceInformation[i]); Controller->V2.LogicalDeviceInformation[i] = NULL; } for (i = 0; i < DAC960_V2_MaxPhysicalDevices; i++) { kfree(Controller->V2.PhysicalDeviceInformation[i]); Controller->V2.PhysicalDeviceInformation[i] = NULL; kfree(Controller->V2.InquiryUnitSerialNumber[i]); Controller->V2.InquiryUnitSerialNumber[i] = NULL; } }

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/* DAC960_V1_ClearCommand clears critical fields of Command for DAC960 V1 Firmware Controllers. */
static inline void DAC960_V1_ClearCommand(DAC960_Command_T *Command) { DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; memset(CommandMailbox, 0, sizeof(DAC960_V1_CommandMailbox_T)); Command->V1.CommandStatus = 0; }

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/* DAC960_V2_ClearCommand clears critical fields of Command for DAC960 V2 Firmware Controllers. */
static inline void DAC960_V2_ClearCommand(DAC960_Command_T *Command) { DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox; memset(CommandMailbox, 0, sizeof(DAC960_V2_CommandMailbox_T)); Command->V2.CommandStatus = 0; }

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/* DAC960_AllocateCommand allocates a Command structure from Controller's free list. During driver initialization, a special initialization command has been placed on the free list to guarantee that command allocation can never fail. */
static inline DAC960_Command_T *DAC960_AllocateCommand(DAC960_Controller_T *Controller) { DAC960_Command_T *Command = Controller->FreeCommands; if (Command == NULL) return NULL; Controller->FreeCommands = Command->Next; Command->Next = NULL; return Command; }

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/* DAC960_DeallocateCommand deallocates Command, returning it to Controller's free list. */
static inline void DAC960_DeallocateCommand(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; Command->Request = NULL; Command->Next = Controller->FreeCommands; Controller->FreeCommands = Command; }

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/* DAC960_WaitForCommand waits for a wake_up on Controller's Command Wait Queue. */
static void DAC960_WaitForCommand(DAC960_Controller_T *Controller) { spin_unlock_irq(&Controller->queue_lock); __wait_event(Controller->CommandWaitQueue, Controller->FreeCommands); spin_lock_irq(&Controller->queue_lock); }

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/* DAC960_GEM_QueueCommand queues Command for DAC960 GEM Series Controllers. */
static void DAC960_GEM_QueueCommand(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox; DAC960_V2_CommandMailbox_T *NextCommandMailbox = Controller->V2.NextCommandMailbox; CommandMailbox->Common.CommandIdentifier = Command->CommandIdentifier; DAC960_GEM_WriteCommandMailbox(NextCommandMailbox, CommandMailbox); if (Controller->V2.PreviousCommandMailbox1->Words[0] == 0 || Controller->V2.PreviousCommandMailbox2->Words[0] == 0) DAC960_GEM_MemoryMailboxNewCommand(ControllerBaseAddress); Controller->V2.PreviousCommandMailbox2 = Controller->V2.PreviousCommandMailbox1; Controller->V2.PreviousCommandMailbox1 = NextCommandMailbox; if (++NextCommandMailbox > Controller->V2.LastCommandMailbox) NextCommandMailbox = Controller->V2.FirstCommandMailbox; Controller->V2.NextCommandMailbox = NextCommandMailbox; }

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/* DAC960_BA_QueueCommand queues Command for DAC960 BA Series Controllers. */
static void DAC960_BA_QueueCommand(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox; DAC960_V2_CommandMailbox_T *NextCommandMailbox = Controller->V2.NextCommandMailbox; CommandMailbox->Common.CommandIdentifier = Command->CommandIdentifier; DAC960_BA_WriteCommandMailbox(NextCommandMailbox, CommandMailbox); if (Controller->V2.PreviousCommandMailbox1->Words[0] == 0 || Controller->V2.PreviousCommandMailbox2->Words[0] == 0) DAC960_BA_MemoryMailboxNewCommand(ControllerBaseAddress); Controller->V2.PreviousCommandMailbox2 = Controller->V2.PreviousCommandMailbox1; Controller->V2.PreviousCommandMailbox1 = NextCommandMailbox; if (++NextCommandMailbox > Controller->V2.LastCommandMailbox) NextCommandMailbox = Controller->V2.FirstCommandMailbox; Controller->V2.NextCommandMailbox = NextCommandMailbox; }

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/* DAC960_LP_QueueCommand queues Command for DAC960 LP Series Controllers. */
static void DAC960_LP_QueueCommand(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox; DAC960_V2_CommandMailbox_T *NextCommandMailbox = Controller->V2.NextCommandMailbox; CommandMailbox->Common.CommandIdentifier = Command->CommandIdentifier; DAC960_LP_WriteCommandMailbox(NextCommandMailbox, CommandMailbox); if (Controller->V2.PreviousCommandMailbox1->Words[0] == 0 || Controller->V2.PreviousCommandMailbox2->Words[0] == 0) DAC960_LP_MemoryMailboxNewCommand(ControllerBaseAddress); Controller->V2.PreviousCommandMailbox2 = Controller->V2.PreviousCommandMailbox1; Controller->V2.PreviousCommandMailbox1 = NextCommandMailbox; if (++NextCommandMailbox > Controller->V2.LastCommandMailbox) NextCommandMailbox = Controller->V2.FirstCommandMailbox; Controller->V2.NextCommandMailbox = NextCommandMailbox; }

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/* DAC960_LA_QueueCommandDualMode queues Command for DAC960 LA Series Controllers with Dual Mode Firmware. */
static void DAC960_LA_QueueCommandDualMode(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; DAC960_V1_CommandMailbox_T *NextCommandMailbox = Controller->V1.NextCommandMailbox; CommandMailbox->Common.CommandIdentifier = Command->CommandIdentifier; DAC960_LA_WriteCommandMailbox(NextCommandMailbox, CommandMailbox); if (Controller->V1.PreviousCommandMailbox1->Words[0] == 0 || Controller->V1.PreviousCommandMailbox2->Words[0] == 0) DAC960_LA_MemoryMailboxNewCommand(ControllerBaseAddress); Controller->V1.PreviousCommandMailbox2 = Controller->V1.PreviousCommandMailbox1; Controller->V1.PreviousCommandMailbox1 = NextCommandMailbox; if (++NextCommandMailbox > Controller->V1.LastCommandMailbox) NextCommandMailbox = Controller->V1.FirstCommandMailbox; Controller->V1.NextCommandMailbox = NextCommandMailbox; }

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/* DAC960_LA_QueueCommandSingleMode queues Command for DAC960 LA Series Controllers with Single Mode Firmware. */
static void DAC960_LA_QueueCommandSingleMode(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; DAC960_V1_CommandMailbox_T *NextCommandMailbox = Controller->V1.NextCommandMailbox; CommandMailbox->Common.CommandIdentifier = Command->CommandIdentifier; DAC960_LA_WriteCommandMailbox(NextCommandMailbox, CommandMailbox); if (Controller->V1.PreviousCommandMailbox1->Words[0] == 0 || Controller->V1.PreviousCommandMailbox2->Words[0] == 0) DAC960_LA_HardwareMailboxNewCommand(ControllerBaseAddress); Controller->V1.PreviousCommandMailbox2 = Controller->V1.PreviousCommandMailbox1; Controller->V1.PreviousCommandMailbox1 = NextCommandMailbox; if (++NextCommandMailbox > Controller->V1.LastCommandMailbox) NextCommandMailbox = Controller->V1.FirstCommandMailbox; Controller->V1.NextCommandMailbox = NextCommandMailbox; }

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al viroal viro10.69%116.67%
Total145100.00%6100.00%

/* DAC960_PG_QueueCommandDualMode queues Command for DAC960 PG Series Controllers with Dual Mode Firmware. */
static void DAC960_PG_QueueCommandDualMode(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; DAC960_V1_CommandMailbox_T *NextCommandMailbox = Controller->V1.NextCommandMailbox; CommandMailbox->Common.CommandIdentifier = Command->CommandIdentifier; DAC960_PG_WriteCommandMailbox(NextCommandMailbox, CommandMailbox); if (Controller->V1.PreviousCommandMailbox1->Words[0] == 0 || Controller->V1.PreviousCommandMailbox2->Words[0] == 0) DAC960_PG_MemoryMailboxNewCommand(ControllerBaseAddress); Controller->V1.PreviousCommandMailbox2 = Controller->V1.PreviousCommandMailbox1; Controller->V1.PreviousCommandMailbox1 = NextCommandMailbox; if (++NextCommandMailbox > Controller->V1.LastCommandMailbox) NextCommandMailbox = Controller->V1.FirstCommandMailbox; Controller->V1.NextCommandMailbox = NextCommandMailbox; }

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Total145100.00%5100.00%

/* DAC960_PG_QueueCommandSingleMode queues Command for DAC960 PG Series Controllers with Single Mode Firmware. */
static void DAC960_PG_QueueCommandSingleMode(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; DAC960_V1_CommandMailbox_T *NextCommandMailbox = Controller->V1.NextCommandMailbox; CommandMailbox->Common.CommandIdentifier = Command->CommandIdentifier; DAC960_PG_WriteCommandMailbox(NextCommandMailbox, CommandMailbox); if (Controller->V1.PreviousCommandMailbox1->Words[0] == 0 || Controller->V1.PreviousCommandMailbox2->Words[0] == 0) DAC960_PG_HardwareMailboxNewCommand(ControllerBaseAddress); Controller->V1.PreviousCommandMailbox2 = Controller->V1.PreviousCommandMailbox1; Controller->V1.PreviousCommandMailbox1 = NextCommandMailbox; if (++NextCommandMailbox > Controller->V1.LastCommandMailbox) NextCommandMailbox = Controller->V1.FirstCommandMailbox; Controller->V1.NextCommandMailbox = NextCommandMailbox; }

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linus torvaldslinus torvalds128.28%120.00%
al viroal viro10.69%120.00%
Total145100.00%5100.00%

/* DAC960_PD_QueueCommand queues Command for DAC960 PD Series Controllers. */
static void DAC960_PD_QueueCommand(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; CommandMailbox->Common.CommandIdentifier = Command->CommandIdentifier; while (DAC960_PD_MailboxFullP(ControllerBaseAddress)) udelay(1); DAC960_PD_WriteCommandMailbox(ControllerBaseAddress, CommandMailbox); DAC960_PD_NewCommand(ControllerBaseAddress); }

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al viroal viro11.39%133.33%
Total72100.00%3100.00%

/* DAC960_P_QueueCommand queues Command for DAC960 P Series Controllers. */
static void DAC960_P_QueueCommand(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; CommandMailbox->Common.CommandIdentifier = Command->CommandIdentifier; switch (CommandMailbox->Common.CommandOpcode) { case DAC960_V1_Enquiry: CommandMailbox->Common.CommandOpcode = DAC960_V1_Enquiry_Old; break; case DAC960_V1_GetDeviceState: CommandMailbox->Common.CommandOpcode = DAC960_V1_GetDeviceState_Old; break; case DAC960_V1_Read: CommandMailbox->Common.CommandOpcode = DAC960_V1_Read_Old; DAC960_PD_To_P_TranslateReadWriteCommand(CommandMailbox); break; case DAC960_V1_Write: CommandMailbox->Common.CommandOpcode = DAC960_V1_Write_Old; DAC960_PD_To_P_TranslateReadWriteCommand(CommandMailbox); break; case DAC960_V1_ReadWithScatterGather: CommandMailbox->Common.CommandOpcode = DAC960_V1_ReadWithScatterGather_Old; DAC960_PD_To_P_TranslateReadWriteCommand(CommandMailbox); break; case DAC960_V1_WriteWithScatterGather: CommandMailbox->Common.CommandOpcode = DAC960_V1_WriteWithScatterGather_Old; DAC960_PD_To_P_TranslateReadWriteCommand(CommandMailbox); break; default: break; } while (DAC960_PD_MailboxFullP(ControllerBaseAddress)) udelay(1); DAC960_PD_WriteCommandMailbox(ControllerBaseAddress, CommandMailbox); DAC960_PD_NewCommand(ControllerBaseAddress); }

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pre-gitpre-git2111.93%233.33%
alan coxalan cox21.14%116.67%
al viroal viro10.57%116.67%
Total176100.00%6100.00%

/* DAC960_ExecuteCommand executes Command and waits for completion. */
static void DAC960_ExecuteCommand(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; DECLARE_COMPLETION_ONSTACK(Completion); unsigned long flags; Command->Completion = &Completion; spin_lock_irqsave(&Controller->queue_lock, flags); DAC960_QueueCommand(Command); spin_unlock_irqrestore(&Controller->queue_lock, flags); if (in_interrupt()) return; wait_for_completion(&Completion); }

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Total71100.00%5100.00%

/* DAC960_V1_ExecuteType3 executes a DAC960 V1 Firmware Controller Type 3 Command and waits for completion. It returns true on success and false on failure. */
static bool DAC960_V1_ExecuteType3(DAC960_Controller_T *Controller, DAC960_V1_CommandOpcode_T CommandOpcode, dma_addr_t DataDMA) { DAC960_Command_T *Command = DAC960_AllocateCommand(Controller); DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; DAC960_V1_CommandStatus_T CommandStatus; DAC960_V1_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; CommandMailbox->Type3.CommandOpcode = CommandOpcode; CommandMailbox->Type3.BusAddress = DataDMA; DAC960_ExecuteCommand(Command); CommandStatus = Command->V1.CommandStatus; DAC960_DeallocateCommand(Command); return (CommandStatus == DAC960_V1_NormalCompletion); }

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richard knutssonrichard knutsson11.10%116.67%
Total91100.00%6100.00%

/* DAC960_V1_ExecuteTypeB executes a DAC960 V1 Firmware Controller Type 3B Command and waits for completion. It returns true on success and false on failure. */
static bool DAC960_V1_ExecuteType3B(DAC960_Controller_T *Controller, DAC960_V1_CommandOpcode_T CommandOpcode, unsigned char CommandOpcode2, dma_addr_t DataDMA) { DAC960_Command_T *Command = DAC960_AllocateCommand(Controller); DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; DAC960_V1_CommandStatus_T CommandStatus; DAC960_V1_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; CommandMailbox->Type3B.CommandOpcode = CommandOpcode; CommandMailbox->Type3B.CommandOpcode2 = CommandOpcode2; CommandMailbox->Type3B.BusAddress = DataDMA; DAC960_ExecuteCommand(Command); CommandStatus = Command->V1.CommandStatus; DAC960_DeallocateCommand(Command); return (CommandStatus == DAC960_V1_NormalCompletion); }

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richard knutssonrichard knutsson10.97%116.67%
Total103100.00%6100.00%

/* DAC960_V1_ExecuteType3D executes a DAC960 V1 Firmware Controller Type 3D Command and waits for completion. It returns true on success and false on failure. */
static bool DAC960_V1_ExecuteType3D(DAC960_Controller_T *Controller, DAC960_V1_CommandOpcode_T CommandOpcode, unsigned char Channel, unsigned char TargetID, dma_addr_t DataDMA) { DAC960_Command_T *Command = DAC960_AllocateCommand(Controller); DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; DAC960_V1_CommandStatus_T CommandStatus; DAC960_V1_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; CommandMailbox->Type3D.CommandOpcode = CommandOpcode; CommandMailbox->Type3D.Channel = Channel; CommandMailbox->Type3D.TargetID = TargetID; CommandMailbox->Type3D.BusAddress = DataDMA; DAC960_ExecuteCommand(Command); CommandStatus = Command->V1.CommandStatus; DAC960_DeallocateCommand(Command); return (CommandStatus == DAC960_V1_NormalCompletion); }

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Total115100.00%4100.00%

/* DAC960_V2_GeneralInfo executes a DAC960 V2 Firmware General Information Reading IOCTL Command and waits for completion. It returns true on success and false on failure. Return data in The controller's HealthStatusBuffer, which is dma-able memory */
static bool DAC960_V2_GeneralInfo(DAC960_Controller_T *Controller) { DAC960_Command_T *Command = DAC960_AllocateCommand(Controller); DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox; DAC960_V2_CommandStatus_T CommandStatus; DAC960_V2_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; CommandMailbox->Common.CommandOpcode = DAC960_V2_IOCTL; CommandMailbox->Common.CommandControlBits .DataTransferControllerToHost = true; CommandMailbox->Common.CommandControlBits .NoAutoRequestSense = true; CommandMailbox->Common.DataTransferSize = sizeof(DAC960_V2_HealthStatusBuffer_T); CommandMailbox->Common.IOCTL_Opcode = DAC960_V2_GetHealthStatus; CommandMailbox->Common.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentDataPointer = Controller->V2.HealthStatusBufferDMA; CommandMailbox->Common.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentByteCount = CommandMailbox->Common.DataTransferSize; DAC960_ExecuteCommand(Command); CommandStatus = Command->V2.CommandStatus; DAC960_DeallocateCommand(Command); return (CommandStatus == DAC960_V2_NormalCompletion); }

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richard knutssonrichard knutsson10.65%116.67%
Total154100.00%6100.00%

/* DAC960_V2_ControllerInfo executes a DAC960 V2 Firmware Controller Information Reading IOCTL Command and waits for completion. It returns true on success and false on failure. Data is returned in the controller's V2.NewControllerInformation dma-able memory buffer. */
static bool DAC960_V2_NewControllerInfo(DAC960_Controller_T *Controller) { DAC960_Command_T *Command = DAC960_AllocateCommand(Controller); DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox; DAC960_V2_CommandStatus_T CommandStatus; DAC960_V2_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; CommandMailbox->ControllerInfo.CommandOpcode = DAC960_V2_IOCTL; CommandMailbox->ControllerInfo.CommandControlBits .DataTransferControllerToHost = true; CommandMailbox->ControllerInfo.CommandControlBits .NoAutoRequestSense = true; CommandMailbox->ControllerInfo.DataTransferSize = sizeof(DAC960_V2_ControllerInfo_T); CommandMailbox->ControllerInfo.ControllerNumber = 0; CommandMailbox->ControllerInfo.IOCTL_Opcode = DAC960_V2_GetControllerInfo; CommandMailbox->ControllerInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentDataPointer = Controller->V2.NewControllerInformationDMA; CommandMailbox->ControllerInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentByteCount = CommandMailbox->ControllerInfo.DataTransferSize; DAC960_ExecuteCommand(Command); CommandStatus = Command->V2.CommandStatus; DAC960_DeallocateCommand(Command); return (CommandStatus == DAC960_V2_NormalCompletion); }

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richard knutssonrichard knutsson10.62%120.00%
Total162100.00%5100.00%

/* DAC960_V2_LogicalDeviceInfo executes a DAC960 V2 Firmware Controller Logical Device Information Reading IOCTL Command and waits for completion. It returns true on success and false on failure. Data is returned in the controller's V2.NewLogicalDeviceInformation */
static bool DAC960_V2_NewLogicalDeviceInfo(DAC960_Controller_T *Controller, unsigned short LogicalDeviceNumber) { DAC960_Command_T *Command = DAC960_AllocateCommand(Controller); DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox; DAC960_V2_CommandStatus_T CommandStatus; DAC960_V2_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; CommandMailbox->LogicalDeviceInfo.CommandOpcode = DAC960_V2_IOCTL; CommandMailbox->LogicalDeviceInfo.CommandControlBits .DataTransferControllerToHost = true; CommandMailbox->LogicalDeviceInfo.CommandControlBits .NoAutoRequestSense = true; CommandMailbox->LogicalDeviceInfo.DataTransferSize = sizeof(DAC960_V2_LogicalDeviceInfo_T); CommandMailbox->LogicalDeviceInfo.LogicalDevice.LogicalDeviceNumber = LogicalDeviceNumber; CommandMailbox->LogicalDeviceInfo.IOCTL_Opcode = DAC960_V2_GetLogicalDeviceInfoValid; CommandMailbox->LogicalDeviceInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentDataPointer = Controller->V2.NewLogicalDeviceInformationDMA; CommandMailbox->LogicalDeviceInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentByteCount = CommandMailbox->LogicalDeviceInfo.DataTransferSize; DAC960_ExecuteCommand(Command); CommandStatus = Command->V2.CommandStatus; DAC960_DeallocateCommand(Command); return (CommandStatus == DAC960_V2_NormalCompletion); }

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richard knutssonrichard knutsson10.60%120.00%
Total168100.00%5100.00%

/* DAC960_V2_PhysicalDeviceInfo executes a DAC960 V2 Firmware Controller "Read Physical Device Information" IOCTL Command and waits for completion. It returns true on success and false on failure. The Channel, TargetID, LogicalUnit arguments should be 0 the first time this function is called for a given controller. This will return data for the "first" device on that controller. The returned data includes a Channel, TargetID, LogicalUnit that can be passed in to this routine to get data for the NEXT device on that controller. Data is stored in the controller's V2.NewPhysicalDeviceInfo dma-able memory buffer. */
static bool DAC960_V2_NewPhysicalDeviceInfo(DAC960_Controller_T *Controller, unsigned char Channel, unsigned char TargetID, unsigned char LogicalUnit) { DAC960_Command_T *Command = DAC960_AllocateCommand(Controller); DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox; DAC960_V2_CommandStatus_T CommandStatus; DAC960_V2_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; CommandMailbox->PhysicalDeviceInfo.CommandOpcode = DAC960_V2_IOCTL; CommandMailbox->PhysicalDeviceInfo.CommandControlBits .DataTransferControllerToHost = true; CommandMailbox->PhysicalDeviceInfo.CommandControlBits .NoAutoRequestSense = true; CommandMailbox->PhysicalDeviceInfo.DataTransferSize = sizeof(DAC960_V2_PhysicalDeviceInfo_T); CommandMailbox->PhysicalDeviceInfo.PhysicalDevice.LogicalUnit = LogicalUnit; CommandMailbox->PhysicalDeviceInfo.PhysicalDevice.TargetID = TargetID; CommandMailbox->PhysicalDeviceInfo.PhysicalDevice.Channel = Channel; CommandMailbox->PhysicalDeviceInfo.IOCTL_Opcode = DAC960_V2_GetPhysicalDeviceInfoValid; CommandMailbox->PhysicalDeviceInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentDataPointer = Controller->V2.NewPhysicalDeviceInformationDMA; CommandMailbox->PhysicalDeviceInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentByteCount = CommandMailbox->PhysicalDeviceInfo.DataTransferSize; DAC960_ExecuteCommand(Command); CommandStatus = Command->V2.CommandStatus; DAC960_DeallocateCommand(Command); return (CommandStatus == DAC960_V2_NormalCompletion); }

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richard knutssonrichard knutsson10.51%120.00%
Total196100.00%5100.00%


static void DAC960_V2_ConstructNewUnitSerialNumber( DAC960_Controller_T *Controller, DAC960_V2_CommandMailbox_T *CommandMailbox, int Channel, int TargetID, int LogicalUnit) { CommandMailbox->SCSI_10.CommandOpcode = DAC960_V2_SCSI_10_Passthru; CommandMailbox->SCSI_10.CommandControlBits .DataTransferControllerToHost = true; CommandMailbox->SCSI_10.CommandControlBits .NoAutoRequestSense = true; CommandMailbox->SCSI_10.DataTransferSize = sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T); CommandMailbox->SCSI_10.PhysicalDevice.LogicalUnit = LogicalUnit; CommandMailbox->SCSI_10.PhysicalDevice.TargetID = TargetID; CommandMailbox->SCSI_10.PhysicalDevice.Channel = Channel; CommandMailbox->SCSI_10.CDBLength = 6; CommandMailbox->SCSI_10.SCSI_CDB[0] = 0x12; /* INQUIRY */ CommandMailbox->SCSI_10.SCSI_CDB[1] = 1; /* EVPD = 1 */ CommandMailbox->SCSI_10.SCSI_CDB[2] = 0x80; /* Page Code */ CommandMailbox->SCSI_10.SCSI_CDB[3] = 0; /* Reserved */ CommandMailbox->SCSI_10.SCSI_CDB[4] = sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T); CommandMailbox->SCSI_10.SCSI_CDB[5] = 0; /* Control */ CommandMailbox->SCSI_10.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentDataPointer = Controller->V2.NewInquiryUnitSerialNumberDMA; CommandMailbox->SCSI_10.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentByteCount = CommandMailbox->SCSI_10.DataTransferSize; }

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/* DAC960_V2_NewUnitSerialNumber executes an SCSI pass-through Inquiry command to a SCSI device identified by Channel number, Target id, Logical Unit Number. This function Waits for completion of the command. The return data includes Unit Serial Number information for the specified device. Data is stored in the controller's V2.NewPhysicalDeviceInfo dma-able memory buffer. */
static bool DAC960_V2_NewInquiryUnitSerialNumber(DAC960_Controller_T *Controller, int Channel, int TargetID, int LogicalUnit) { DAC960_Command_T *Command; DAC960_V2_CommandMailbox_T *CommandMailbox; DAC960_V2_CommandStatus_T CommandStatus; Command = DAC960_AllocateCommand(Controller); CommandMailbox = &Command->V2.CommandMailbox; DAC960_V2_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; DAC960_V2_ConstructNewUnitSerialNumber(Controller, CommandMailbox, Channel, TargetID, LogicalUnit); DAC960_ExecuteCommand(Command); CommandStatus = Command->V2.CommandStatus; DAC960_DeallocateCommand(Command); return (CommandStatus == DAC960_V2_NormalCompletion); }

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alan coxalan cox66.32%120.00%
richard knutssonrichard knutsson11.05%120.00%
Total95100.00%5100.00%

/* DAC960_V2_DeviceOperation executes a DAC960 V2 Firmware Controller Device Operation IOCTL Command and waits for completion. It returns true on success and false on failure. */
static bool DAC960_V2_DeviceOperation(DAC960_Controller_T *Controller, DAC960_V2_IOCTL_Opcode_T IOCTL_Opcode, DAC960_V2_OperationDevice_T OperationDevice) { DAC960_Command_T *Command = DAC960_AllocateCommand(Controller); DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox; DAC960_V2_CommandStatus_T CommandStatus; DAC960_V2_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; CommandMailbox->DeviceOperation.CommandOpcode = DAC960_V2_IOCTL; CommandMailbox->DeviceOperation.CommandControlBits .DataTransferControllerToHost = true; CommandMailbox->DeviceOperation.CommandControlBits .NoAutoRequestSense = true; CommandMailbox->DeviceOperation.IOCTL_Opcode = IOCTL_Opcode; CommandMailbox->DeviceOperation.OperationDevice = OperationDevice; DAC960_ExecuteCommand(Command); CommandStatus = Command->V2.CommandStatus; DAC960_DeallocateCommand(Command); return (CommandStatus == DAC960_V2_NormalCompletion); }

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richard knutssonrichard knutsson10.84%120.00%
Total119100.00%5100.00%

/* DAC960_V1_EnableMemoryMailboxInterface enables the Memory Mailbox Interface for DAC960 V1 Firmware Controllers. PD and P controller types have no memory mailbox, but still need the other dma mapped memory. */
static bool DAC960_V1_EnableMemoryMailboxInterface(DAC960_Controller_T *Controller) { void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_HardwareType_T hw_type = Controller->HardwareType; struct pci_dev *PCI_Device = Controller->PCIDevice; struct dma_loaf *DmaPages = &Controller->DmaPages; size_t DmaPagesSize; size_t CommandMailboxesSize; size_t StatusMailboxesSize; DAC960_V1_CommandMailbox_T *CommandMailboxesMemory; dma_addr_t CommandMailboxesMemoryDMA; DAC960_V1_StatusMailbox_T *StatusMailboxesMemory; dma_addr_t StatusMailboxesMemoryDMA; DAC960_V1_CommandMailbox_T CommandMailbox; DAC960_V1_CommandStatus_T CommandStatus; int TimeoutCounter; int i; memset(&CommandMailbox, 0, sizeof(DAC960_V1_CommandMailbox_T)); if (pci_set_dma_mask(Controller->PCIDevice, DMA_BIT_MASK(32))) return DAC960_Failure(Controller, "DMA mask out of range"); Controller->BounceBufferLimit = DMA_BIT_MASK(32); if ((hw_type == DAC960_PD_Controller) || (hw_type == DAC960_P_Controller)) { CommandMailboxesSize = 0; StatusMailboxesSize = 0; } else { CommandMailboxesSize = DAC960_V1_CommandMailboxCount * sizeof(DAC960_V1_CommandMailbox_T); StatusMailboxesSize = DAC960_V1_StatusMailboxCount * sizeof(DAC960_V1_StatusMailbox_T); } DmaPagesSize = CommandMailboxesSize + StatusMailboxesSize + sizeof(DAC960_V1_DCDB_T) + sizeof(DAC960_V1_Enquiry_T) + sizeof(DAC960_V1_ErrorTable_T) + sizeof(DAC960_V1_EventLogEntry_T) + sizeof(DAC960_V1_RebuildProgress_T) + sizeof(DAC960_V1_LogicalDriveInformationArray_T) + sizeof(DAC960_V1_BackgroundInitializationStatus_T) + sizeof(DAC960_V1_DeviceState_T) + sizeof(DAC960_SCSI_Inquiry_T) + sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T); if (!init_dma_loaf(PCI_Device, DmaPages, DmaPagesSize)) return false; if ((hw_type == DAC960_PD_Controller) || (hw_type == DAC960_P_Controller)) goto skip_mailboxes; CommandMailboxesMemory = slice_dma_loaf(DmaPages, CommandMailboxesSize, &CommandMailboxesMemoryDMA); /* These are the base addresses for the command memory mailbox array */ Controller->V1.FirstCommandMailbox = CommandMailboxesMemory; Controller->V1.FirstCommandMailboxDMA = CommandMailboxesMemoryDMA; CommandMailboxesMemory += DAC960_V1_CommandMailboxCount - 1; Controller->V1.LastCommandMailbox = CommandMailboxesMemory; Controller->V1.NextCommandMailbox = Controller->V1.FirstCommandMailbox; Controller->V1.PreviousCommandMailbox1 = Controller->V1.LastCommandMailbox; Controller->V1.PreviousCommandMailbox2 = Controller->V1.LastCommandMailbox - 1; /* These are the base addresses for the status memory mailbox array */ StatusMailboxesMemory = slice_dma_loaf(DmaPages, StatusMailboxesSize, &StatusMailboxesMemoryDMA); Controller->V1.FirstStatusMailbox = StatusMailboxesMemory; Controller->V1.FirstStatusMailboxDMA = StatusMailboxesMemoryDMA; StatusMailboxesMemory += DAC960_V1_StatusMailboxCount - 1; Controller->V1.LastStatusMailbox = StatusMailboxesMemory; Controller->V1.NextStatusMailbox = Controller->V1.FirstStatusMailbox; skip_mailboxes: Controller->V1.MonitoringDCDB = slice_dma_loaf(DmaPages, sizeof(DAC960_V1_DCDB_T), &Controller->V1.MonitoringDCDB_DMA); Controller->V1.NewEnquiry = slice_dma_loaf(DmaPages, sizeof(DAC960_V1_Enquiry_T), &Controller->V1.NewEnquiryDMA); Controller->V1.NewErrorTable = slice_dma_loaf(DmaPages, sizeof(DAC960_V1_ErrorTable_T), &Controller->V1.NewErrorTableDMA); Controller->V1.EventLogEntry = slice_dma_loaf(DmaPages, sizeof(DAC960_V1_EventLogEntry_T), &Controller->V1.EventLogEntryDMA); Controller->V1.RebuildProgress = slice_dma_loaf(DmaPages, sizeof(DAC960_V1_RebuildProgress_T), &Controller->V1.RebuildProgressDMA); Controller->V1.NewLogicalDriveInformation = slice_dma_loaf(DmaPages, sizeof(DAC960_V1_LogicalDriveInformationArray_T), &Controller->V1.NewLogicalDriveInformationDMA); Controller->V1.BackgroundInitializationStatus = slice_dma_loaf(DmaPages, sizeof(DAC960_V1_BackgroundInitializationStatus_T), &Controller->V1.BackgroundInitializationStatusDMA); Controller->V1.NewDeviceState = slice_dma_loaf(DmaPages, sizeof(DAC960_V1_DeviceState_T), &Controller->V1.NewDeviceStateDMA); Controller->V1.NewInquiryStandardData = slice_dma_loaf(DmaPages, sizeof(DAC960_SCSI_Inquiry_T), &Controller->V1.NewInquiryStandardDataDMA); Controller->V1.NewInquiryUnitSerialNumber = slice_dma_loaf(DmaPages, sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T), &Controller->V1.NewInquiryUnitSerialNumberDMA); if ((hw_type == DAC960_PD_Controller) || (hw_type == DAC960_P_Controller)) return true; /* Enable the Memory Mailbox Interface. */ Controller->V1.DualModeMemoryMailboxInterface = true; CommandMailbox.TypeX.CommandOpcode = 0x2B; CommandMailbox.TypeX.CommandIdentifier = 0; CommandMailbox.TypeX.CommandOpcode2 = 0x14; CommandMailbox.TypeX.CommandMailboxesBusAddress = Controller->V1.FirstCommandMailboxDMA; CommandMailbox.TypeX.StatusMailboxesBusAddress = Controller->V1.FirstStatusMailboxDMA; #define TIMEOUT_COUNT 1000000 for (i = 0; i < 2; i++) switch (Controller->HardwareType) { case DAC960_LA_Controller: TimeoutCounter = TIMEOUT_COUNT; while (--TimeoutCounter >= 0) { if (!DAC960_LA_HardwareMailboxFullP(ControllerBaseAddress)) break; udelay(10); } if (TimeoutCounter < 0) return false; DAC960_LA_WriteHardwareMailbox(ControllerBaseAddress, &CommandMailbox); DAC960_LA_HardwareMailboxNewCommand(ControllerBaseAddress); TimeoutCounter = TIMEOUT_COUNT; while (--TimeoutCounter >= 0) { if (DAC960_LA_HardwareMailboxStatusAvailableP( ControllerBaseAddress)) break; udelay(10); } if (TimeoutCounter < 0) return false; CommandStatus = DAC960_LA_ReadStatusRegister(ControllerBaseAddress); DAC960_LA_AcknowledgeHardwareMailboxInterrupt(ControllerBaseAddress); DAC960_LA_AcknowledgeHardwareMailboxStatus(ControllerBaseAddress); if (CommandStatus == DAC960_V1_NormalCompletion) return true; Controller->V1.DualModeMemoryMailboxInterface = false; CommandMailbox.TypeX.CommandOpcode2 = 0x10; break; case DAC960_PG_Controller: TimeoutCounter = TIMEOUT_COUNT; while (--TimeoutCounter >= 0) { if (!DAC960_PG_HardwareMailboxFullP(ControllerBaseAddress)) break; udelay(10); } if (TimeoutCounter < 0) return false; DAC960_PG_WriteHardwareMailbox(ControllerBaseAddress, &CommandMailbox); DAC960_PG_HardwareMailboxNewCommand(ControllerBaseAddress); TimeoutCounter = TIMEOUT_COUNT; while (--TimeoutCounter >= 0) { if (DAC960_PG_HardwareMailboxStatusAvailableP( ControllerBaseAddress)) break; udelay(10); } if (TimeoutCounter < 0) return false; CommandStatus = DAC960_PG_ReadStatusRegister(ControllerBaseAddress); DAC960_PG_AcknowledgeHardwareMailboxInterrupt(ControllerBaseAddress); DAC960_PG_AcknowledgeHardwareMailboxStatus(ControllerBaseAddress); if (CommandStatus == DAC960_V1_NormalCompletion) return true; Controller->V1.DualModeMemoryMailboxInterface = false; CommandMailbox.TypeX.CommandOpcode2 = 0x10; break; default: DAC960_Failure(Controller, "Unknown Controller Type\n"); break; } return false; }

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andrew mortonandrew morton58058.23%327.27%
alan coxalan cox25425.50%19.09%
pre-gitpre-git13113.15%218.18%
danny kukawkadanny kukawka131.31%19.09%
linus torvaldslinus torvalds80.80%19.09%
yang hongyangyang hongyang80.80%19.09%
al viroal viro10.10%19.09%
richard knutssonrichard knutsson10.10%19.09%
Total996100.00%11100.00%

/* DAC960_V2_EnableMemoryMailboxInterface enables the Memory Mailbox Interface for DAC960 V2 Firmware Controllers. Aggregate the space needed for the controller's memory mailbox and the other data structures that will be targets of dma transfers with the controller. Allocate a dma-mapped region of memory to hold these structures. Then, save CPU pointers and dma_addr_t values to reference the structures that are contained in that region. */
static bool DAC960_V2_EnableMemoryMailboxInterface(DAC960_Controller_T *Controller) { void __iomem *ControllerBaseAddress = Controller->BaseAddress; struct pci_dev *PCI_Device = Controller->PCIDevice; struct dma_loaf *DmaPages = &Controller->DmaPages; size_t DmaPagesSize; size_t CommandMailboxesSize; size_t StatusMailboxesSize; DAC960_V2_CommandMailbox_T *CommandMailboxesMemory; dma_addr_t CommandMailboxesMemoryDMA; DAC960_V2_StatusMailbox_T *StatusMailboxesMemory; dma_addr_t StatusMailboxesMemoryDMA; DAC960_V2_CommandMailbox_T *CommandMailbox; dma_addr_t CommandMailboxDMA; DAC960_V2_CommandStatus_T CommandStatus; if (!pci_set_dma_mask(Controller->PCIDevice, DMA_BIT_MASK(64))) Controller->BounceBufferLimit = DMA_BIT_MASK(64); else if (!pci_set_dma_mask(Controller->PCIDevice, DMA_BIT_MASK(32))) Controller->BounceBufferLimit = DMA_BIT_MASK(32); else return DAC960_Failure(Controller, "DMA mask out of range"); /* This is a temporary dma mapping, used only in the scope of this function */ CommandMailbox = pci_alloc_consistent(PCI_Device, sizeof(DAC960_V2_CommandMailbox_T), &CommandMailboxDMA); if (CommandMailbox == NULL) return false; CommandMailboxesSize = DAC960_V2_CommandMailboxCount * sizeof(DAC960_V2_CommandMailbox_T); StatusMailboxesSize = DAC960_V2_StatusMailboxCount * sizeof(DAC960_V2_StatusMailbox_T); DmaPagesSize = CommandMailboxesSize + StatusMailboxesSize + sizeof(DAC960_V2_HealthStatusBuffer_T) + sizeof(DAC960_V2_ControllerInfo_T) + sizeof(DAC960_V2_LogicalDeviceInfo_T) + sizeof(DAC960_V2_PhysicalDeviceInfo_T) + sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T) + sizeof(DAC960_V2_Event_T) + sizeof(DAC960_V2_PhysicalToLogicalDevice_T); if (!init_dma_loaf(PCI_Device, DmaPages, DmaPagesSize)) { pci_free_consistent(PCI_Device, sizeof(DAC960_V2_CommandMailbox_T), CommandMailbox, CommandMailboxDMA); return false; } CommandMailboxesMemory = slice_dma_loaf(DmaPages, CommandMailboxesSize, &CommandMailboxesMemoryDMA); /* These are the base addresses for the command memory mailbox array */ Controller->V2.FirstCommandMailbox = CommandMailboxesMemory; Controller->V2.FirstCommandMailboxDMA = CommandMailboxesMemoryDMA; CommandMailboxesMemory += DAC960_V2_CommandMailboxCount - 1; Controller->V2.LastCommandMailbox = CommandMailboxesMemory; Controller->V2.NextCommandMailbox = Controller->V2.FirstCommandMailbox; Controller->V2.PreviousCommandMailbox1 = Controller->V2.LastCommandMailbox; Controller->V2.PreviousCommandMailbox2 = Controller->V2.LastCommandMailbox - 1; /* These are the base addresses for the status memory mailbox array */ StatusMailboxesMemory = slice_dma_loaf(DmaPages, StatusMailboxesSize, &StatusMailboxesMemoryDMA); Controller->V2.FirstStatusMailbox = StatusMailboxesMemory; Controller->V2.FirstStatusMailboxDMA = StatusMailboxesMemoryDMA; StatusMailboxesMemory += DAC960_V2_StatusMailboxCount - 1; Controller->V2.LastStatusMailbox = StatusMailboxesMemory; Controller->V2.NextStatusMailbox = Controller->V2.FirstStatusMailbox; Controller->V2.HealthStatusBuffer = slice_dma_loaf(DmaPages, sizeof(DAC960_V2_HealthStatusBuffer_T), &Controller->V2.HealthStatusBufferDMA); Controller->V2.NewControllerInformation = slice_dma_loaf(DmaPages, sizeof(DAC960_V2_ControllerInfo_T), &Controller->V2.NewControllerInformationDMA); Controller->V2.NewLogicalDeviceInformation = slice_dma_loaf(DmaPages, sizeof(DAC960_V2_LogicalDeviceInfo_T), &Controller->V2.NewLogicalDeviceInformationDMA); Controller->V2.NewPhysicalDeviceInformation = slice_dma_loaf(DmaPages, sizeof(DAC960_V2_PhysicalDeviceInfo_T), &Controller->V2.NewPhysicalDeviceInformationDMA); Controller->V2.NewInquiryUnitSerialNumber = slice_dma_loaf(DmaPages, sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T), &Controller->V2.NewInquiryUnitSerialNumberDMA); Controller->V2.Event = slice_dma_loaf(DmaPages, sizeof(DAC960_V2_Event_T), &Controller->V2.EventDMA); Controller->V2.PhysicalToLogicalDevice = slice_dma_loaf(DmaPages, sizeof(DAC960_V2_PhysicalToLogicalDevice_T), &Controller->V2.PhysicalToLogicalDeviceDMA); /* Enable the Memory Mailbox Interface. I don't know why we can't just use one of the memory mailboxes we just allocated to do this, instead of using this temporary one. Try this change later. */ memset(CommandMailbox, 0, sizeof(DAC960_V2_CommandMailbox_T)); CommandMailbox->SetMemoryMailbox.CommandIdentifier = 1; CommandMailbox->SetMemoryMailbox.CommandOpcode = DAC960_V2_IOCTL; CommandMailbox->SetMemoryMailbox.CommandControlBits.NoAutoRequestSense = true; CommandMailbox->SetMemoryMailbox.FirstCommandMailboxSizeKB = (DAC960_V2_CommandMailboxCount * sizeof(DAC960_V2_CommandMailbox_T)) >> 10; CommandMailbox->SetMemoryMailbox.FirstStatusMailboxSizeKB = (DAC960_V2_StatusMailboxCount * sizeof(DAC960_V2_StatusMailbox_T)) >> 10; CommandMailbox->SetMemoryMailbox.SecondCommandMailboxSizeKB = 0; CommandMailbox->SetMemoryMailbox.SecondStatusMailboxSizeKB = 0; CommandMailbox->SetMemoryMailbox.RequestSenseSize = 0; CommandMailbox->SetMemoryMailbox.IOCTL_Opcode = DAC960_V2_SetMemoryMailbox; CommandMailbox->SetMemoryMailbox.HealthStatusBufferSizeKB = 1; CommandMailbox->SetMemoryMailbox.HealthStatusBufferBusAddress = Controller->V2.HealthStatusBufferDMA; CommandMailbox->SetMemoryMailbox.FirstCommandMailboxBusAddress = Controller->V2.FirstCommandMailboxDMA; CommandMailbox->SetMemoryMailbox.FirstStatusMailboxBusAddress = Controller->V2.FirstStatusMailboxDMA; switch (Controller->HardwareType) { case DAC960_GEM_Controller: while (DAC960_GEM_HardwareMailboxFullP(ControllerBaseAddress)) udelay(1); DAC960_GEM_WriteHardwareMailbox(ControllerBaseAddress, CommandMailboxDMA); DAC960_GEM_HardwareMailboxNewCommand(ControllerBaseAddress); while (!DAC960_GEM_HardwareMailboxStatusAvailableP(ControllerBaseAddress)) udelay(1); CommandStatus = DAC960_GEM_ReadCommandStatus(ControllerBaseAddress); DAC960_GEM_AcknowledgeHardwareMailboxInterrupt(ControllerBaseAddress); DAC960_GEM_AcknowledgeHardwareMailboxStatus(ControllerBaseAddress); break; case DAC960_BA_Controller: while (DAC960_BA_HardwareMailboxFullP(ControllerBaseAddress)) udelay(1); DAC960_BA_WriteHardwareMailbox(ControllerBaseAddress, CommandMailboxDMA); DAC960_BA_HardwareMailboxNewCommand(ControllerBaseAddress); while (!DAC960_BA_HardwareMailboxStatusAvailableP(ControllerBaseAddress)) udelay(1); CommandStatus = DAC960_BA_ReadCommandStatus(ControllerBaseAddress); DAC960_BA_AcknowledgeHardwareMailboxInterrupt(ControllerBaseAddress); DAC960_BA_AcknowledgeHardwareMailboxStatus(ControllerBaseAddress); break; case DAC960_LP_Controller: while (DAC960_LP_HardwareMailboxFullP(ControllerBaseAddress)) udelay(1); DAC960_LP_WriteHardwareMailbox(ControllerBaseAddress, CommandMailboxDMA); DAC960_LP_HardwareMailboxNewCommand(ControllerBaseAddress); while (!DAC960_LP_HardwareMailboxStatusAvailableP(ControllerBaseAddress)) udelay(1); CommandStatus = DAC960_LP_ReadCommandStatus(ControllerBaseAddress); DAC960_LP_AcknowledgeHardwareMailboxInterrupt(ControllerBaseAddress); DAC960_LP_AcknowledgeHardwareMailboxStatus(ControllerBaseAddress); break; default: DAC960_Failure(Controller, "Unknown Controller Type\n"); CommandStatus = DAC960_V2_AbormalCompletion; break; } pci_free_consistent(PCI_Device, sizeof(DAC960_V2_CommandMailbox_T), CommandMailbox, CommandMailboxDMA); return (CommandStatus == DAC960_V2_NormalCompletion); }

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andrew mortonandrew morton55361.04%215.38%
pre-gitpre-git12914.24%430.77%
alan coxalan cox12513.80%17.69%
christoph hellwigchristoph hellwig586.40%17.69%
matthew wilcoxmatthew wilcox232.54%17.69%
yang hongyangyang hongyang161.77%215.38%
al viroal viro10.11%17.69%
richard knutssonrichard knutsson10.11%17.69%
Total906100.00%13100.00%

/* DAC960_V1_ReadControllerConfiguration reads the Configuration Information from DAC960 V1 Firmware Controllers and initializes the Controller structure. */
static bool DAC960_V1_ReadControllerConfiguration(DAC960_Controller_T *Controller) { DAC960_V1_Enquiry2_T *Enquiry2; dma_addr_t Enquiry2DMA; DAC960_V1_Config2_T *Config2; dma_addr_t Config2DMA; int LogicalDriveNumber, Channel, TargetID; struct dma_loaf local_dma; if (!init_dma_loaf(Controller->PCIDevice, &local_dma, sizeof(DAC960_V1_Enquiry2_T) + sizeof(DAC960_V1_Config2_T))) return DAC960_Failure(Controller, "LOGICAL DEVICE ALLOCATION"); Enquiry2 = slice_dma_loaf(&local_dma, sizeof(DAC960_V1_Enquiry2_T), &Enquiry2DMA); Config2 = slice_dma_loaf(&local_dma, sizeof(DAC960_V1_Config2_T), &Config2DMA); if (!DAC960_V1_ExecuteType3(Controller, DAC960_V1_Enquiry, Controller->V1.NewEnquiryDMA)) { free_dma_loaf(Controller->PCIDevice, &local_dma); return DAC960_Failure(Controller, "ENQUIRY"); } memcpy(&Controller->V1.Enquiry, Controller->V1.NewEnquiry, sizeof(DAC960_V1_Enquiry_T)); if (!DAC960_V1_ExecuteType3(Controller, DAC960_V1_Enquiry2, Enquiry2DMA)) { free_dma_loaf(Controller->PCIDevice, &local_dma); return DAC960_Failure(Controller, "ENQUIRY2"); } if (!DAC960_V1_ExecuteType3(Controller, DAC960_V1_ReadConfig2, Config2DMA)) { free_dma_loaf(Controller->PCIDevice, &local_dma); return DAC960_Failure(Controller, "READ CONFIG2"); } if (!DAC960_V1_ExecuteType3(Controller, DAC960_V1_GetLogicalDriveInformation, Controller->V1.NewLogicalDriveInformationDMA)) { free_dma_loaf(Controller->PCIDevice, &local_dma); return DAC960_Failure(Controller, "GET LOGICAL DRIVE INFORMATION"); } memcpy(&Controller->V1.LogicalDriveInformation, Controller->V1.NewLogicalDriveInformation, sizeof(DAC960_V1_LogicalDriveInformationArray_T)); for (Channel = 0; Channel < Enquiry2->ActualChannels; Channel++) for (TargetID = 0; TargetID < Enquiry2->MaxTargets; TargetID++) { if (!DAC960_V1_ExecuteType3D(Controller, DAC960_V1_GetDeviceState, Channel, TargetID, Controller->V1.NewDeviceStateDMA)) { free_dma_loaf(Controller->PCIDevice, &local_dma); return DAC960_Failure(Controller, "GET DEVICE STATE"); } memcpy(&Controller->V1.DeviceState[Channel][TargetID], Controller->V1.NewDeviceState, sizeof(DAC960_V1_DeviceState_T)); } /* Initialize the Controller Model Name and Full Model Name fields. */ switch (Enquiry2->HardwareID.SubModel) { case DAC960_V1_P_PD_PU: if (Enquiry2->SCSICapability.BusSpeed == DAC960_V1_Ultra) strcpy(Controller->ModelName, "DAC960PU"); else strcpy(Controller->ModelName, "DAC960PD"); break; case DAC960_V1_PL: strcpy(Controller->ModelName, "DAC960PL"); break; case DAC960_V1_PG: strcpy(Controller->ModelName, "DAC960PG"); break; case DAC960_V1_PJ: strcpy(Controller->ModelName, "DAC960PJ"); break; case DAC960_V1_PR: strcpy(Controller->ModelName, "DAC960PR"); break; case DAC960_V1_PT: strcpy(Controller->ModelName, "DAC960PT"); break; case DAC960_V1_PTL0: strcpy(Controller->ModelName, "DAC960PTL0"); break; case DAC960_V1_PRL: strcpy(Controller->ModelName, "DAC960PRL"); break; case DAC960_V1_PTL1: strcpy(Controller->ModelName, "DAC960PTL1"); break; case DAC960_V1_1164P: strcpy(Controller->ModelName, "DAC1164P"); break; default: free_dma_loaf(Controller->PCIDevice, &local_dma); return DAC960_Failure(Controller, "MODEL VERIFICATION"); } strcpy(Controller->FullModelName, "Mylex "); strcat(Controller->FullModelName, Controller->ModelName); /* Initialize the Controller Firmware Version field and verify that it is a supported firmware version. The supported firmware versions are: DAC1164P 5.06 and above DAC960PTL/PRL/PJ/PG 4.06 and above DAC960PU/PD/PL 3.51 and above DAC960PU/PD/PL/P 2.73 and above */ #if defined(CONFIG_ALPHA) /* DEC Alpha machines were often equipped with DAC960 cards that were OEMed from Mylex, and had their own custom firmware. Version 2.70, the last custom FW revision to be released by DEC for these older controllers, appears to work quite well with this driver. Cards tested successfully were several versions each of the PD and PU, called by DEC the KZPSC and KZPAC, respectively, and having the Manufacturer Numbers (from Mylex), usually on a sticker on the back of the board, of: KZPSC: D040347 (1-channel) or D040348 (2-channel) or D040349 (3-channel) KZPAC: D040395 (1-channel) or D040396 (2-channel) or D040397 (3-channel) */ # define FIRMWARE_27X "2.70" #else # define FIRMWARE_27X "2.73" #endif if (Enquiry2->FirmwareID.MajorVersion == 0) { Enquiry2->FirmwareID.MajorVersion = Controller->V1.Enquiry.MajorFirmwareVersion; Enquiry2->FirmwareID.MinorVersion = Controller->V1.Enquiry.MinorFirmwareVersion; Enquiry2->FirmwareID.FirmwareType = '0'; Enquiry2->FirmwareID.TurnID = 0; } sprintf(Controller->FirmwareVersion, "%d.%02d-%c-%02d", Enquiry2->FirmwareID.MajorVersion, Enquiry2->FirmwareID.MinorVersion, Enquiry2->FirmwareID.FirmwareType, Enquiry2->FirmwareID.TurnID); if (!((Controller->FirmwareVersion[0] == '5' && strcmp(Controller->FirmwareVersion, "5.06") >= 0) || (Controller->FirmwareVersion[0] == '4' && strcmp(Controller->FirmwareVersion, "4.06") >= 0) || (Controller->FirmwareVersion[0] == '3' && strcmp(Controller->FirmwareVersion, "3.51") >= 0) || (Controller->FirmwareVersion[0] == '2' && strcmp(Controller->FirmwareVersion, FIRMWARE_27X) >= 0))) { DAC960_Failure(Controller, "FIRMWARE VERSION VERIFICATION"); DAC960_Error("Firmware Version = '%s'\n", Controller, Controller->FirmwareVersion); free_dma_loaf(Controller->PCIDevice, &local_dma); return false; } /* Initialize the Controller Channels, Targets, Memory Size, and SAF-TE Enclosure Management Enabled fields. */ Controller->Channels = Enquiry2->ActualChannels; Controller->Targets = Enquiry2->MaxTargets; Controller->MemorySize = Enquiry2->MemorySize >> 20; Controller->V1.SAFTE_EnclosureManagementEnabled = (Enquiry2->FaultManagementType == DAC960_V1_SAFTE); /* Initialize the Controller Queue Depth, Driver Queue Depth, Logical Drive Count, Maximum Blocks per Command, Controller Scatter/Gather Limit, and Driver Scatter/Gather Limit. The Driver Queue Depth must be at most one less than the Controller Queue Depth to allow for an automatic drive rebuild operation. */ Controller->ControllerQueueDepth = Controller->V1.Enquiry.MaxCommands; Controller->DriverQueueDepth = Controller->ControllerQueueDepth - 1; if (Controller->DriverQueueDepth > DAC960_MaxDriverQueueDepth) Controller->DriverQueueDepth = DAC960_MaxDriverQueueDepth; Controller->LogicalDriveCount = Controller->V1.Enquiry.NumberOfLogicalDrives; Controller->MaxBlocksPerCommand = Enquiry2->MaxBlocksPerCommand; Controller->ControllerScatterGatherLimit = Enquiry2->MaxScatterGatherEntries; Controller->DriverScatterGatherLimit = Controller->ControllerScatterGatherLimit; if (Controller->DriverScatterGatherLimit > DAC960_V1_ScatterGatherLimit) Controller->DriverScatterGatherLimit = DAC960_V1_ScatterGatherLimit; /* Initialize the Stripe Size, Segment Size, and Geometry Translation. */ Controller->V1.StripeSize = Config2->BlocksPerStripe * Config2->BlockFactor >> (10 - DAC960_BlockSizeBits); Controller->V1.SegmentSize = Config2->BlocksPerCacheLine * Config2->BlockFactor >> (10 - DAC960_BlockSizeBits); switch (Config2->DriveGeometry) { case DAC960_V1_Geometry_128_32: Controller->V1.GeometryTranslationHeads = 128; Controller->V1.GeometryTranslationSectors = 32; break; case DAC960_V1_Geometry_255_63: Controller->V1.GeometryTranslationHeads = 255; Controller->V1.GeometryTranslationSectors = 63; break; default: free_dma_loaf(Controller->PCIDevice, &local_dma); return DAC960_Failure(Controller, "CONFIG2 DRIVE GEOMETRY"); } /* Initialize the Background Initialization Status. */ if ((Controller->FirmwareVersion[0] == '4' && strcmp(Controller->FirmwareVersion, "4.08") >= 0) || (Controller->FirmwareVersion[0] == '5' && strcmp(Controller->FirmwareVersion, "5.08") >= 0)) { Controller->V1.BackgroundInitializationStatusSupported = true; DAC960_V1_ExecuteType3B(Controller, DAC960_V1_BackgroundInitializationControl, 0x20, Controller-> V1.BackgroundInitializationStatusDMA); memcpy(&Controller->V1.LastBackgroundInitializationStatus, Controller->V1.BackgroundInitializationStatus, sizeof(DAC960_V1_BackgroundInitializationStatus_T)); } /* Initialize the Logical Drive Initially Accessible flag. */ for (LogicalDriveNumber = 0; LogicalDriveNumber < Controller->LogicalDriveCount; LogicalDriveNumber++) if (Controller->V1.LogicalDriveInformation [LogicalDriveNumber].LogicalDriveState != DAC960_V1_LogicalDrive_Offline) Controller->LogicalDriveInitiallyAccessible[LogicalDriveNumber] = true; Controller->V1.LastRebuildStatus = DAC960_V1_NoRebuildOrCheckInProgress; free_dma_loaf(Controller->PCIDevice, &local_dma); return true; }

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andrew mortonandrew morton84070.00%330.00%
alan coxalan cox19816.50%110.00%
pre-gitpre-git16113.42%550.00%
richard knutssonrichard knutsson10.08%110.00%
Total1200100.00%10100.00%

/* DAC960_V2_ReadControllerConfiguration reads the Configuration Information from DAC960 V2 Firmware Controllers and initializes the Controller structure. */
static bool DAC960_V2_ReadControllerConfiguration(DAC960_Controller_T *Controller) { DAC960_V2_ControllerInfo_T *ControllerInfo = &Controller->V2.ControllerInformation; unsigned short LogicalDeviceNumber = 0; int ModelNameLength; /* Get data into dma-able area, then copy into permanent location */ if (!DAC960_V2_NewControllerInfo(Controller)) return DAC960_Failure(Controller, "GET CONTROLLER INFO"); memcpy(ControllerInfo, Controller->V2.NewControllerInformation, sizeof(DAC960_V2_ControllerInfo_T)); if (!DAC960_V2_GeneralInfo(Controller)) return DAC960_Failure(Controller, "GET HEALTH STATUS"); /* Initialize the Controller Model Name and Full Model Name fields. */ ModelNameLength = sizeof(ControllerInfo->ControllerName); if (ModelNameLength > sizeof(Controller->ModelName)-1) ModelNameLength = sizeof(Controller->ModelName)-1; memcpy(Controller->ModelName, ControllerInfo->ControllerName, ModelNameLength); ModelNameLength--; while (Controller->ModelName[ModelNameLength] == ' ' || Controller->ModelName[ModelNameLength] == '\0') ModelNameLength--; Controller->ModelName[++ModelNameLength] = '\0'; strcpy(Controller->FullModelName, "Mylex "); strcat(Controller->FullModelName, Controller->ModelName); /* Initialize the Controller Firmware Version field. */ sprintf(Controller->FirmwareVersion, "%d.%02d-%02d", ControllerInfo->FirmwareMajorVersion, ControllerInfo->FirmwareMinorVersion, ControllerInfo->FirmwareTurnNumber); if (ControllerInfo->FirmwareMajorVersion == 6 && ControllerInfo->FirmwareMinorVersion == 0 && ControllerInfo->FirmwareTurnNumber < 1) { DAC960_Info("FIRMWARE VERSION %s DOES NOT PROVIDE THE CONTROLLER\n", Controller, Controller->FirmwareVersion); DAC960_Info("STATUS MONITORING FUNCTIONALITY NEEDED BY THIS DRIVER.\n", Controller); DAC960_Info("PLEASE UPGRADE TO VERSION 6.00-01 OR ABOVE.\n", Controller); } /* Initialize the Controller Channels, Targets, and Memory Size. */ Controller->Channels = ControllerInfo->NumberOfPhysicalChannelsPresent; Controller->Targets = ControllerInfo->MaximumTargetsPerChannel [ControllerInfo->NumberOfPhysicalChannelsPresent-1]; Controller->MemorySize = ControllerInfo->MemorySizeMB; /* Initialize the Controller Queue Depth, Driver Queue Depth, Logical Drive Count, Maximum Blocks per Command, Controller Scatter/Gather Limit, and Driver Scatter/Gather Limit. The Driver Queue Depth must be at most one less than the Controller Queue Depth to allow for an automatic drive rebuild operation. */ Controller->ControllerQueueDepth = ControllerInfo->MaximumParallelCommands; Controller->DriverQueueDepth = Controller->ControllerQueueDepth - 1; if (Controller->DriverQueueDepth > DAC960_MaxDriverQueueDepth) Controller->DriverQueueDepth = DAC960_MaxDriverQueueDepth; Controller->LogicalDriveCount = ControllerInfo->LogicalDevicesPresent; Controller->MaxBlocksPerCommand = ControllerInfo->MaximumDataTransferSizeInBlocks; Controller->ControllerScatterGatherLimit = ControllerInfo->MaximumScatterGatherEntries; Controller->DriverScatterGatherLimit = Controller->ControllerScatterGatherLimit; if (Controller->DriverScatterGatherLimit > DAC960_V2_ScatterGatherLimit) Controller->DriverScatterGatherLimit = DAC960_V2_ScatterGatherLimit; /* Initialize the Logical Device Information. */ while (true) { DAC960_V2_LogicalDeviceInfo_T *NewLogicalDeviceInfo = Controller->V2.NewLogicalDeviceInformation; DAC960_V2_LogicalDeviceInfo_T *LogicalDeviceInfo; DAC960_V2_PhysicalDevice_T PhysicalDevice; if (!DAC960_V2_NewLogicalDeviceInfo(Controller, LogicalDeviceNumber)) break; LogicalDeviceNumber = NewLogicalDeviceInfo->LogicalDeviceNumber; if (LogicalDeviceNumber >= DAC960_MaxLogicalDrives) { DAC960_Error("DAC960: Logical Drive Number %d not supported\n", Controller, LogicalDeviceNumber); break; } if (NewLogicalDeviceInfo->DeviceBlockSizeInBytes != DAC960_BlockSize) { DAC960_Error("DAC960: Logical Drive Block Size %d not supported\n", Controller, NewLogicalDeviceInfo->DeviceBlockSizeInBytes); LogicalDeviceNumber++; continue; } PhysicalDevice.Controller = 0; PhysicalDevice.Channel = NewLogicalDeviceInfo->Channel; PhysicalDevice.TargetID = NewLogicalDeviceInfo->TargetID; PhysicalDevice.LogicalUnit = NewLogicalDeviceInfo->LogicalUnit; Controller->V2.LogicalDriveToVirtualDevice[LogicalDeviceNumber] = PhysicalDevice; if (NewLogicalDeviceInfo->LogicalDeviceState != DAC960_V2_LogicalDevice_Offline) Controller->LogicalDriveInitiallyAccessible[LogicalDeviceNumber] = true; LogicalDeviceInfo = kmalloc(sizeof(DAC960_V2_LogicalDeviceInfo_T), GFP_ATOMIC); if (LogicalDeviceInfo == NULL) return DAC960_Failure(Controller, "LOGICAL DEVICE ALLOCATION"); Controller->V2.LogicalDeviceInformation[LogicalDeviceNumber] = LogicalDeviceInfo; memcpy(LogicalDeviceInfo, NewLogicalDeviceInfo, sizeof(DAC960_V2_LogicalDeviceInfo_T)); LogicalDeviceNumber++; } return true; }

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andrew mortonandrew morton40372.09%116.67%
alan coxalan cox10218.25%116.67%
pre-gitpre-git529.30%233.33%
lucas de marchilucas de marchi10.18%116.67%
richard knutssonrichard knutsson10.18%116.67%
Total559100.00%6100.00%

/* DAC960_ReportControllerConfiguration reports the Configuration Information for Controller. */
static bool DAC960_ReportControllerConfiguration(DAC960_Controller_T *Controller) { DAC960_Info("Configuring Mylex %s PCI RAID Controller\n", Controller, Controller->ModelName); DAC960_Info(" Firmware Version: %s, Channels: %d, Memory Size: %dMB\n", Controller, Controller->FirmwareVersion, Controller->Channels, Controller->MemorySize); DAC960_Info(" PCI Bus: %d, Device: %d, Function: %d, I/O Address: ", Controller, Controller->Bus, Controller->Device, Controller->Function); if (Controller->IO_Address == 0) DAC960_Info("Unassigned\n", Controller); else DAC960_Info("0x%X\n", Controller, Controller->IO_Address); DAC960_Info(" PCI Address: 0x%X mapped at 0x%lX, IRQ Channel: %d\n", Controller, Controller->PCI_Address, (unsigned long) Controller->BaseAddress, Controller->IRQ_Channel); DAC960_Info(" Controller Queue Depth: %d, " "Maximum Blocks per Command: %d\n", Controller, Controller->ControllerQueueDepth, Controller->MaxBlocksPerCommand); DAC960_Info(" Driver Queue Depth: %d, " "Scatter/Gather Limit: %d of %d Segments\n", Controller, Controller->DriverQueueDepth, Controller->DriverScatterGatherLimit, Controller->ControllerScatterGatherLimit); if (Controller->FirmwareType == DAC960_V1_Controller) { DAC960_Info(" Stripe Size: %dKB, Segment Size: %dKB, " "BIOS Geometry: %d/%d\n", Controller, Controller->V1.StripeSize, Controller->V1.SegmentSize, Controller->V1.GeometryTranslationHeads, Controller->V1.GeometryTranslationSectors); if (Controller->V1.SAFTE_EnclosureManagementEnabled) DAC960_Info(" SAF-TE Enclosure Management Enabled\n", Controller); } return true; }

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andrew mortonandrew morton13666.34%120.00%
pre-gitpre-git4120.00%240.00%
alan coxalan cox2713.17%120.00%
richard knutssonrichard knutsson10.49%120.00%
Total205100.00%5100.00%

/* DAC960_V1_ReadDeviceConfiguration reads the Device Configuration Information for DAC960 V1 Firmware Controllers by requesting the SCSI Inquiry and SCSI Inquiry Unit Serial Number information for each device connected to Controller. */
static bool DAC960_V1_ReadDeviceConfiguration(DAC960_Controller_T *Controller) { struct dma_loaf local_dma; dma_addr_t DCDBs_dma[DAC960_V1_MaxChannels]; DAC960_V1_DCDB_T *DCDBs_cpu[DAC960_V1_MaxChannels]; dma_addr_t SCSI_Inquiry_dma[DAC960_V1_MaxChannels]; DAC960_SCSI_Inquiry_T *SCSI_Inquiry_cpu[DAC960_V1_MaxChannels]; dma_addr_t SCSI_NewInquiryUnitSerialNumberDMA[DAC960_V1_MaxChannels]; DAC960_SCSI_Inquiry_UnitSerialNumber_T *SCSI_NewInquiryUnitSerialNumberCPU[DAC960_V1_MaxChannels]; struct completion Completions[DAC960_V1_MaxChannels]; unsigned long flags; int Channel, TargetID; if (!init_dma_loaf(Controller->PCIDevice, &local_dma, DAC960_V1_MaxChannels*(sizeof(DAC960_V1_DCDB_T) + sizeof(DAC960_SCSI_Inquiry_T) + sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T)))) return DAC960_Failure(Controller, "DMA ALLOCATION FAILED IN ReadDeviceConfiguration"); for (Channel = 0; Channel < Controller->Channels; Channel++) { DCDBs_cpu[Channel] = slice_dma_loaf(&local_dma, sizeof(DAC960_V1_DCDB_T), DCDBs_dma + Channel); SCSI_Inquiry_cpu[Channel] = slice_dma_loaf(&local_dma, sizeof(DAC960_SCSI_Inquiry_T), SCSI_Inquiry_dma + Channel); SCSI_NewInquiryUnitSerialNumberCPU[Channel] = slice_dma_loaf(&local_dma, sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T), SCSI_NewInquiryUnitSerialNumberDMA + Channel); } for (TargetID = 0; TargetID < Controller->Targets; TargetID++) { /* * For each channel, submit a probe for a device on that channel. * The timeout interval for a device that is present is 10 seconds. * With this approach, the timeout periods can elapse in parallel * on each channel. */ for (Channel = 0; Channel < Controller->Channels; Channel++) { dma_addr_t NewInquiryStandardDataDMA = SCSI_Inquiry_dma[Channel]; DAC960_V1_DCDB_T *DCDB = DCDBs_cpu[Channel]; dma_addr_t DCDB_dma = DCDBs_dma[Channel]; DAC960_Command_T *Command = Controller->Commands[Channel]; struct completion *Completion = &Completions[Channel]; init_completion(Completion); DAC960_V1_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; Command->Completion = Completion; Command->V1.CommandMailbox.Type3.CommandOpcode = DAC960_V1_DCDB; Command->V1.CommandMailbox.Type3.BusAddress = DCDB_dma; DCDB->Channel = Channel; DCDB->TargetID = TargetID; DCDB->Direction = DAC960_V1_DCDB_DataTransferDeviceToSystem; DCDB->EarlyStatus = false; DCDB->Timeout = DAC960_V1_DCDB_Timeout_10_seconds; DCDB->NoAutomaticRequestSense = false; DCDB->DisconnectPermitted = true; DCDB->TransferLength = sizeof(DAC960_SCSI_Inquiry_T); DCDB->BusAddress = NewInquiryStandardDataDMA; DCDB->CDBLength = 6; DCDB->TransferLengthHigh4 = 0; DCDB->SenseLength = sizeof(DCDB->SenseData); DCDB->CDB[0] = 0x12; /* INQUIRY */ DCDB->CDB[1] = 0; /* EVPD = 0 */ DCDB->CDB[2] = 0; /* Page Code */ DCDB->CDB[3] = 0; /* Reserved */ DCDB->CDB[4] = sizeof(DAC960_SCSI_Inquiry_T); DCDB->CDB[5] = 0; /* Control */ spin_lock_irqsave(&Controller->queue_lock, flags); DAC960_QueueCommand(Command); spin_unlock_irqrestore(&Controller->queue_lock, flags); } /* * Wait for the problems submitted in the previous loop * to complete. On the probes that are successful, * get the serial number of the device that was found. */ for (Channel = 0; Channel < Controller->Channels; Channel++) { DAC960_SCSI_Inquiry_T *InquiryStandardData = &Controller->V1.InquiryStandardData[Channel][TargetID]; DAC960_SCSI_Inquiry_T *NewInquiryStandardData = SCSI_Inquiry_cpu[Channel]; dma_addr_t NewInquiryUnitSerialNumberDMA = SCSI_NewInquiryUnitSerialNumberDMA[Channel]; DAC960_SCSI_Inquiry_UnitSerialNumber_T *NewInquiryUnitSerialNumber = SCSI_NewInquiryUnitSerialNumberCPU[Channel]; DAC960_SCSI_Inquiry_UnitSerialNumber_T *InquiryUnitSerialNumber = &Controller->V1.InquiryUnitSerialNumber[Channel][TargetID]; DAC960_Command_T *Command = Controller->Commands[Channel]; DAC960_V1_DCDB_T *DCDB = DCDBs_cpu[Channel]; struct completion *Completion = &Completions[Channel]; wait_for_completion(Completion); if (Command->V1.CommandStatus != DAC960_V1_NormalCompletion) { memset(InquiryStandardData, 0, sizeof(DAC960_SCSI_Inquiry_T)); InquiryStandardData->PeripheralDeviceType = 0x1F; continue; } else memcpy(InquiryStandardData, NewInquiryStandardData, sizeof(DAC960_SCSI_Inquiry_T)); /* Preserve Channel and TargetID values from the previous loop */ Command->Completion = Completion; DCDB->TransferLength = sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T); DCDB->BusAddress = NewInquiryUnitSerialNumberDMA; DCDB->SenseLength = sizeof(DCDB->SenseData); DCDB->CDB[0] = 0x12; /* INQUIRY */ DCDB->CDB[1] = 1; /* EVPD = 1 */ DCDB->CDB[2] = 0x80; /* Page Code */ DCDB->CDB[3] = 0; /* Reserved */ DCDB->CDB[4] = sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T); DCDB->CDB[5] = 0; /* Control */ spin_lock_irqsave(&Controller->queue_lock, flags); DAC960_QueueCommand(Command); spin_unlock_irqrestore(&Controller->queue_lock, flags); wait_for_completion(Completion); if (Command->V1.CommandStatus != DAC960_V1_NormalCompletion) { memset(InquiryUnitSerialNumber, 0, sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T)); InquiryUnitSerialNumber->PeripheralDeviceType = 0x1F; } else memcpy(InquiryUnitSerialNumber, NewInquiryUnitSerialNumber, sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T)); } } free_dma_loaf(Controller->PCIDevice, &local_dma); return true; }

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andrew mortonandrew morton59472.44%225.00%
alan coxalan cox15418.78%112.50%
pre-gitpre-git668.05%225.00%
linus torvaldslinus torvalds40.49%112.50%
al viroal viro10.12%112.50%
richard knutssonrichard knutsson10.12%112.50%
Total820100.00%8100.00%

/* DAC960_V2_ReadDeviceConfiguration reads the Device Configuration Information for DAC960 V2 Firmware Controllers by requesting the Physical Device Information and SCSI Inquiry Unit Serial Number information for each device connected to Controller. */
static bool DAC960_V2_ReadDeviceConfiguration(DAC960_Controller_T *Controller) { unsigned char Channel = 0, TargetID = 0, LogicalUnit = 0; unsigned short PhysicalDeviceIndex = 0; while (true) { DAC960_V2_PhysicalDeviceInfo_T *NewPhysicalDeviceInfo = Controller->V2.NewPhysicalDeviceInformation; DAC960_V2_PhysicalDeviceInfo_T *PhysicalDeviceInfo; DAC960_SCSI_Inquiry_UnitSerialNumber_T *NewInquiryUnitSerialNumber = Controller->V2.NewInquiryUnitSerialNumber; DAC960_SCSI_Inquiry_UnitSerialNumber_T *InquiryUnitSerialNumber; if (!DAC960_V2_NewPhysicalDeviceInfo(Controller, Channel, TargetID, LogicalUnit)) break; PhysicalDeviceInfo = kmalloc(sizeof(DAC960_V2_PhysicalDeviceInfo_T), GFP_ATOMIC); if (PhysicalDeviceInfo == NULL) return DAC960_Failure(Controller, "PHYSICAL DEVICE ALLOCATION"); Controller->V2.PhysicalDeviceInformation[PhysicalDeviceIndex] = PhysicalDeviceInfo; memcpy(PhysicalDeviceInfo, NewPhysicalDeviceInfo, sizeof(DAC960_V2_PhysicalDeviceInfo_T)); InquiryUnitSerialNumber = kmalloc( sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T), GFP_ATOMIC); if (InquiryUnitSerialNumber == NULL) { kfree(PhysicalDeviceInfo); return DAC960_Failure(Controller, "SERIAL NUMBER ALLOCATION"); } Controller->V2.InquiryUnitSerialNumber[PhysicalDeviceIndex] = InquiryUnitSerialNumber; Channel = NewPhysicalDeviceInfo->Channel; TargetID = NewPhysicalDeviceInfo->TargetID; LogicalUnit = NewPhysicalDeviceInfo->LogicalUnit; /* Some devices do NOT have Unit Serial Numbers. This command fails for them. But, we still want to remember those devices are there. Construct a UnitSerialNumber structure for the failure case. */ if (!DAC960_V2_NewInquiryUnitSerialNumber(Controller, Channel, TargetID, LogicalUnit)) { memset(InquiryUnitSerialNumber, 0, sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T)); InquiryUnitSerialNumber->PeripheralDeviceType = 0x1F; } else memcpy(InquiryUnitSerialNumber, NewInquiryUnitSerialNumber, sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T)); PhysicalDeviceIndex++; LogicalUnit++; } return true; }

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andrew mortonandrew morton16365.99%111.11%
alan coxalan cox4518.22%111.11%
pre-gitpre-git2510.12%222.22%
al viroal viro104.05%333.33%
linus torvaldslinus torvalds31.21%111.11%
richard knutssonrichard knutsson10.40%111.11%
Total247100.00%9100.00%

/* DAC960_SanitizeInquiryData sanitizes the Vendor, Model, Revision, and Product Serial Number fields of the Inquiry Standard Data and Inquiry Unit Serial Number structures. */
static void DAC960_SanitizeInquiryData(DAC960_SCSI_Inquiry_T *InquiryStandardData, DAC960_SCSI_Inquiry_UnitSerialNumber_T *InquiryUnitSerialNumber, unsigned char *Vendor, unsigned char *Model, unsigned char *Revision, unsigned char *SerialNumber) { int SerialNumberLength, i; if (InquiryStandardData->PeripheralDeviceType == 0x1F) return; for (i = 0; i < sizeof(InquiryStandardData->VendorIdentification); i++) { unsigned char VendorCharacter = InquiryStandardData->VendorIdentification[i]; Vendor[i] = (VendorCharacter >= ' ' && VendorCharacter <= '~' ? VendorCharacter : ' '); } Vendor[sizeof(InquiryStandardData->VendorIdentification)] = '\0'; for (i = 0; i < sizeof(InquiryStandardData->ProductIdentification); i++) { unsigned char ModelCharacter = InquiryStandardData->ProductIdentification[i]; Model[i] = (ModelCharacter >= ' ' && ModelCharacter <= '~' ? ModelCharacter : ' '); } Model[sizeof(InquiryStandardData->ProductIdentification)] = '\0'; for (i = 0; i < sizeof(InquiryStandardData->ProductRevisionLevel); i++) { unsigned char RevisionCharacter = InquiryStandardData->ProductRevisionLevel[i]; Revision[i] = (RevisionCharacter >= ' ' && RevisionCharacter <= '~' ? RevisionCharacter : ' '); } Revision[sizeof(InquiryStandardData->ProductRevisionLevel)] = '\0'; if (InquiryUnitSerialNumber->PeripheralDeviceType == 0x1F) return; SerialNumberLength = InquiryUnitSerialNumber->PageLength; if (SerialNumberLength > sizeof(InquiryUnitSerialNumber->ProductSerialNumber)) SerialNumberLength = sizeof(InquiryUnitSerialNumber->ProductSerialNumber); for (i = 0; i < SerialNumberLength; i++) { unsigned char SerialNumberCharacter = InquiryUnitSerialNumber->ProductSerialNumber[i]; SerialNumber[i] = (SerialNumberCharacter >= ' ' && SerialNumberCharacter <= '~' ? SerialNumberCharacter : ' '); } SerialNumber[SerialNumberLength] = '\0'; }

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andrew mortonandrew morton24977.57%112.50%
alan coxalan cox3811.84%112.50%
pre-gitpre-git247.48%337.50%
linus torvaldslinus torvalds61.87%112.50%
al viroal viro41.25%225.00%
Total321100.00%8100.00%

/* DAC960_V1_ReportDeviceConfiguration reports the Device Configuration Information for DAC960 V1 Firmware Controllers. */
static bool DAC960_V1_ReportDeviceConfiguration(DAC960_Controller_T *Controller) { int LogicalDriveNumber, Channel, TargetID; DAC960_Info(" Physical Devices:\n", Controller); for (Channel = 0; Channel < Controller->Channels; Channel++) for (TargetID = 0; TargetID < Controller->Targets; TargetID++) { DAC960_SCSI_Inquiry_T *InquiryStandardData = &Controller->V1.InquiryStandardData[Channel][TargetID]; DAC960_SCSI_Inquiry_UnitSerialNumber_T *InquiryUnitSerialNumber = &Controller->V1.InquiryUnitSerialNumber[Channel][TargetID]; DAC960_V1_DeviceState_T *DeviceState = &Controller->V1.DeviceState[Channel][TargetID]; DAC960_V1_ErrorTableEntry_T *ErrorEntry = &Controller->V1.ErrorTable.ErrorTableEntries[Channel][TargetID]; char Vendor[1+sizeof(InquiryStandardData->VendorIdentification)]; char Model[1+sizeof(InquiryStandardData->ProductIdentification)]; char Revision[1+sizeof(InquiryStandardData->ProductRevisionLevel)]; char SerialNumber[1+sizeof(InquiryUnitSerialNumber ->ProductSerialNumber)]; if (InquiryStandardData->PeripheralDeviceType == 0x1F) continue; DAC960_SanitizeInquiryData(InquiryStandardData, InquiryUnitSerialNumber, Vendor, Model, Revision, SerialNumber); DAC960_Info(" %d:%d%s Vendor: %s Model: %s Revision: %s\n", Controller, Channel, TargetID, (TargetID < 10 ? " " : ""), Vendor, Model, Revision); if (InquiryUnitSerialNumber->PeripheralDeviceType != 0x1F) DAC960_Info(" Serial Number: %s\n", Controller, SerialNumber); if (DeviceState->Present && DeviceState->DeviceType == DAC960_V1_DiskType) { if (Controller->V1.DeviceResetCount[Channel][TargetID] > 0) DAC960_Info(" Disk Status: %s, %u blocks, %d resets\n", Controller, (DeviceState->DeviceState == DAC960_V1_Device_Dead ? "Dead" : DeviceState->DeviceState == DAC960_V1_Device_WriteOnly ? "Write-Only" : DeviceState->DeviceState == DAC960_V1_Device_Online ? "Online" : "Standby"), DeviceState->DiskSize, Controller->V1.DeviceResetCount[Channel][TargetID]); else DAC960_Info(" Disk Status: %s, %u blocks\n", Controller, (DeviceState->DeviceState == DAC960_V1_Device_Dead ? "Dead" : DeviceState->DeviceState == DAC960_V1_Device_WriteOnly ? "Write-Only" : DeviceState->DeviceState == DAC960_V1_Device_Online ? "Online" : "Standby"), DeviceState->DiskSize); } if (ErrorEntry->ParityErrorCount > 0 || ErrorEntry->SoftErrorCount > 0 || ErrorEntry->HardErrorCount > 0 || ErrorEntry->MiscErrorCount > 0) DAC960_Info(" Errors - Parity: %d, Soft: %d, " "Hard: %d, Misc: %d\n", Controller, ErrorEntry->ParityErrorCount, ErrorEntry->SoftErrorCount, ErrorEntry->HardErrorCount, ErrorEntry->MiscErrorCount); } DAC960_Info(" Logical Drives:\n", Controller); for (LogicalDriveNumber = 0; LogicalDriveNumber < Controller->LogicalDriveCount; LogicalDriveNumber++) { DAC960_V1_LogicalDriveInformation_T *LogicalDriveInformation = &Controller->V1.LogicalDriveInformation[LogicalDriveNumber]; DAC960_Info(" /dev/rd/c%dd%d: RAID-%d, %s, %u blocks, %s\n", Controller, Controller->ControllerNumber, LogicalDriveNumber, LogicalDriveInformation->RAIDLevel, (LogicalDriveInformation->LogicalDriveState == DAC960_V1_LogicalDrive_Online ? "Online" : LogicalDriveInformation->LogicalDriveState == DAC960_V1_LogicalDrive_Critical ? "Critical" : "Offline"), LogicalDriveInformation->LogicalDriveSize, (LogicalDriveInformation->WriteBack ? "Write Back" : "Write Thru")); } return true; }

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andrew mortonandrew morton43084.48%233.33%
alan coxalan cox479.23%116.67%
pre-gitpre-git316.09%233.33%
richard knutssonrichard knutsson10.20%116.67%
Total509100.00%6100.00%

/* DAC960_V2_ReportDeviceConfiguration reports the Device Configuration Information for DAC960 V2 Firmware Controllers. */
static bool DAC960_V2_ReportDeviceConfiguration(DAC960_Controller_T *Controller) { int PhysicalDeviceIndex, LogicalDriveNumber; DAC960_Info(" Physical Devices:\n", Controller); for (PhysicalDeviceIndex = 0; PhysicalDeviceIndex < DAC960_V2_MaxPhysicalDevices; PhysicalDeviceIndex++) { DAC960_V2_PhysicalDeviceInfo_T *PhysicalDeviceInfo = Controller->V2.PhysicalDeviceInformation[PhysicalDeviceIndex]; DAC960_SCSI_Inquiry_T *InquiryStandardData = (DAC960_SCSI_Inquiry_T *) &PhysicalDeviceInfo->SCSI_InquiryData; DAC960_SCSI_Inquiry_UnitSerialNumber_T *InquiryUnitSerialNumber = Controller->V2.InquiryUnitSerialNumber[PhysicalDeviceIndex]; char Vendor[1+sizeof(InquiryStandardData->VendorIdentification)]; char Model[1+sizeof(InquiryStandardData->ProductIdentification)]; char Revision[1+sizeof(InquiryStandardData->ProductRevisionLevel)]; char SerialNumber[1+sizeof(InquiryUnitSerialNumber->ProductSerialNumber)]; if (PhysicalDeviceInfo == NULL) break; DAC960_SanitizeInquiryData(InquiryStandardData, InquiryUnitSerialNumber, Vendor, Model, Revision, SerialNumber); DAC960_Info(" %d:%d%s Vendor: %s Model: %s Revision: %s\n", Controller, PhysicalDeviceInfo->Channel, PhysicalDeviceInfo->TargetID, (PhysicalDeviceInfo->TargetID < 10 ? " " : ""), Vendor, Model, Revision); if (PhysicalDeviceInfo->NegotiatedSynchronousMegaTransfers == 0) DAC960_Info(" %sAsynchronous\n", Controller, (PhysicalDeviceInfo->NegotiatedDataWidthBits == 16 ? "Wide " :"")); else DAC960_Info(" %sSynchronous at %d MB/sec\n", Controller, (PhysicalDeviceInfo->NegotiatedDataWidthBits == 16 ? "Wide " :""), (PhysicalDeviceInfo->NegotiatedSynchronousMegaTransfers * PhysicalDeviceInfo->NegotiatedDataWidthBits/8)); if (InquiryUnitSerialNumber->PeripheralDeviceType != 0x1F) DAC960_Info(" Serial Number: %s\n", Controller, SerialNumber); if (PhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Unconfigured) continue; DAC960_Info(" Disk Status: %s, %u blocks\n", Controller, (PhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Online ? "Online" : PhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Rebuild ? "Rebuild" : PhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Missing ? "Missing" : PhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Critical ? "Critical" : PhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Dead ? "Dead" : PhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_SuspectedDead ? "Suspected-Dead" : PhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_CommandedOffline ? "Commanded-Offline" : PhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Standby ? "Standby" : "Unknown"), PhysicalDeviceInfo->ConfigurableDeviceSize); if (PhysicalDeviceInfo->ParityErrors == 0 && PhysicalDeviceInfo->SoftErrors == 0 && PhysicalDeviceInfo->HardErrors == 0 && PhysicalDeviceInfo->MiscellaneousErrors == 0 && PhysicalDeviceInfo->CommandTimeouts == 0 && PhysicalDeviceInfo->Retries == 0 && PhysicalDeviceInfo->Aborts == 0 && PhysicalDeviceInfo->PredictedFailuresDetected == 0) continue; DAC960_Info(" Errors - Parity: %d, Soft: %d, " "Hard: %d, Misc: %d\n", Controller, PhysicalDeviceInfo->ParityErrors, PhysicalDeviceInfo->SoftErrors, PhysicalDeviceInfo->HardErrors, PhysicalDeviceInfo->MiscellaneousErrors); DAC960_Info(" Timeouts: %d, Retries: %d, " "Aborts: %d, Predicted: %d\n", Controller, PhysicalDeviceInfo->CommandTimeouts, PhysicalDeviceInfo->Retries, PhysicalDeviceInfo->Aborts, PhysicalDeviceInfo->PredictedFailuresDetected); } DAC960_Info(" Logical Drives:\n", Controller); for (LogicalDriveNumber = 0; LogicalDriveNumber < DAC960_MaxLogicalDrives; LogicalDriveNumber++) { DAC960_V2_LogicalDeviceInfo_T *LogicalDeviceInfo = Controller->V2.LogicalDeviceInformation[LogicalDriveNumber]; unsigned char *ReadCacheStatus[] = { "Read Cache Disabled", "Read Cache Enabled", "Read Ahead Enabled", "Intelligent Read Ahead Enabled", "-", "-", "-", "-" }; unsigned char *WriteCacheStatus[] = { "Write Cache Disabled", "Logical Device Read Only", "Write Cache Enabled", "Intelligent Write Cache Enabled", "-", "-", "-", "-" }; unsigned char *GeometryTranslation; if (LogicalDeviceInfo == NULL) continue; switch (LogicalDeviceInfo->DriveGeometry) { case DAC960_V2_Geometry_128_32: GeometryTranslation = "128/32"; break; case DAC960_V2_Geometry_255_63: GeometryTranslation = "255/63"; break; default: GeometryTranslation = "Invalid"; DAC960_Error("Illegal Logical Device Geometry %d\n", Controller, LogicalDeviceInfo->DriveGeometry); break; } DAC960_Info(" /dev/rd/c%dd%d: RAID-%d, %s, %u blocks\n", Controller, Controller->ControllerNumber, LogicalDriveNumber, LogicalDeviceInfo->RAIDLevel, (LogicalDeviceInfo->LogicalDeviceState == DAC960_V2_LogicalDevice_Online ? "Online" : LogicalDeviceInfo->LogicalDeviceState == DAC960_V2_LogicalDevice_Critical ? "Critical" : "Offline"), LogicalDeviceInfo->ConfigurableDeviceSize); DAC960_Info(" Logical Device %s, BIOS Geometry: %s\n", Controller, (LogicalDeviceInfo->LogicalDeviceControl .LogicalDeviceInitialized ? "Initialized" : "Uninitialized"), GeometryTranslation); if (LogicalDeviceInfo->StripeSize == 0) { if (LogicalDeviceInfo->CacheLineSize == 0) DAC960_Info(" Stripe Size: N/A, " "Segment Size: N/A\n", Controller); else DAC960_Info(" Stripe Size: N/A, " "Segment Size: %dKB\n", Controller, 1 << (LogicalDeviceInfo->CacheLineSize - 2)); } else { if (LogicalDeviceInfo->CacheLineSize == 0) DAC960_Info(" Stripe Size: %dKB, " "Segment Size: N/A\n", Controller, 1 << (LogicalDeviceInfo->StripeSize - 2)); else DAC960_Info(" Stripe Size: %dKB, " "Segment Size: %dKB\n", Controller, 1 << (LogicalDeviceInfo->StripeSize - 2), 1 << (LogicalDeviceInfo->CacheLineSize - 2)); } DAC960_Info(" %s, %s\n", Controller, ReadCacheStatus[ LogicalDeviceInfo->LogicalDeviceControl.ReadCache], WriteCacheStatus[ LogicalDeviceInfo->LogicalDeviceControl.WriteCache]); if (LogicalDeviceInfo->SoftErrors > 0 || LogicalDeviceInfo->CommandsFailed > 0 || LogicalDeviceInfo->DeferredWriteErrors) DAC960_Info(" Errors - Soft: %d, Failed: %d, " "Deferred Write: %d\n", Controller, LogicalDeviceInfo->SoftErrors, LogicalDeviceInfo->CommandsFailed, LogicalDeviceInfo->DeferredWriteErrors); } return true; }

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andrew mortonandrew morton59973.68%222.22%
alan coxalan cox13116.11%111.11%
pre-gitpre-git728.86%333.33%
william stinsonwilliam stinson60.74%111.11%
linus torvaldslinus torvalds40.49%111.11%
richard knutssonrichard knutsson10.12%111.11%
Total813100.00%9100.00%

/* DAC960_RegisterBlockDevice registers the Block Device structures associated with Controller. */
static bool DAC960_RegisterBlockDevice(DAC960_Controller_T *Controller) { int MajorNumber = DAC960_MAJOR + Controller->ControllerNumber; int n; /* Register the Block Device Major Number for this DAC960 Controller. */ if (register_blkdev(MajorNumber, "dac960") < 0) return false; for (n = 0; n < DAC960_MaxLogicalDrives; n++) { struct gendisk *disk = Controller->disks[n]; struct request_queue *RequestQueue; /* for now, let all request queues share controller's lock */ RequestQueue = blk_init_queue(DAC960_RequestFunction,&Controller->queue_lock); if (!RequestQueue) { printk("DAC960: failure to allocate request queue\n"); continue; } Controller->RequestQueue[n] = RequestQueue; blk_queue_bounce_limit(RequestQueue, Controller->BounceBufferLimit); RequestQueue->queuedata = Controller; blk_queue_max_segments(RequestQueue, Controller->DriverScatterGatherLimit); blk_queue_max_hw_sectors(RequestQueue, Controller->MaxBlocksPerCommand); disk->queue = RequestQueue; sprintf(disk->disk_name, "rd/c%dd%d", Controller->ControllerNumber, n); disk->major = MajorNumber; disk->first_minor = n << DAC960_MaxPartitionsBits; disk->fops = &DAC960_BlockDeviceOperations; } /* Indicate the Block Device Registration completed successfully, */ return true; }

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andrew mortonandrew morton13674.32%444.44%
alan coxalan cox2815.30%111.11%
jens axboejens axboe168.74%111.11%
martin k. petersenmartin k. petersen21.09%222.22%
richard knutssonrichard knutsson10.55%111.11%
Total183100.00%9100.00%

/* DAC960_UnregisterBlockDevice unregisters the Block Device structures associated with Controller. */
static void DAC960_UnregisterBlockDevice(DAC960_Controller_T *Controller) { int MajorNumber = DAC960_MAJOR + Controller->ControllerNumber; int disk; /* does order matter when deleting gendisk and cleanup in request queue? */ for (disk = 0; disk < DAC960_MaxLogicalDrives; disk++) { del_gendisk(Controller->disks[disk]); blk_cleanup_queue(Controller->RequestQueue[disk]); Controller->RequestQueue[disk] = NULL; } /* Unregister the Block Device Major Number for this DAC960 Controller. */ unregister_blkdev(MajorNumber, "dac960"); }

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andrew mortonandrew morton6688.00%250.00%
linus torvaldslinus torvalds56.67%125.00%
alan coxalan cox45.33%125.00%
Total75100.00%4100.00%

/* DAC960_ComputeGenericDiskInfo computes the values for the Generic Disk Information Partition Sector Counts and Block Sizes. */
static void DAC960_ComputeGenericDiskInfo(DAC960_Controller_T *Controller) { int disk; for (disk = 0; disk < DAC960_MaxLogicalDrives; disk++) set_capacity(Controller->disks[disk], disk_size(Controller, disk)); }

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andrew mortonandrew morton3888.37%150.00%
linus torvaldslinus torvalds511.63%150.00%
Total43100.00%2100.00%

/* DAC960_ReportErrorStatus reports Controller BIOS Messages passed through the Error Status Register when the driver performs the BIOS handshaking. It returns true for fatal errors and false otherwise. */
static bool DAC960_ReportErrorStatus(DAC960_Controller_T *Controller, unsigned char ErrorStatus, unsigned char Parameter0, unsigned char Parameter1) { switch (ErrorStatus) { case 0x00: DAC960_Notice("Physical Device %d:%d Not Responding\n", Controller, Parameter1, Parameter0); break; case 0x08: if (Controller->DriveSpinUpMessageDisplayed) break; DAC960_Notice("Spinning Up Drives\n", Controller); Controller->DriveSpinUpMessageDisplayed = true; break; case 0x30: DAC960_Notice("Configuration Checksum Error\n", Controller); break; case 0x60: DAC960_Notice("Mirror Race Recovery Failed\n", Controller); break; case 0x70: DAC960_Notice("Mirror Race Recovery In Progress\n", Controller); break; case 0x90: DAC960_Notice("Physical Device %d:%d COD Mismatch\n", Controller, Parameter1, Parameter0); break; case 0xA0: DAC960_Notice("Logical Drive Installation Aborted\n", Controller); break; case 0xB0: DAC960_Notice("Mirror Race On A Critical Logical Drive\n", Controller); break; case 0xD0: DAC960_Notice("New Controller Configuration Found\n", Controller); break; case 0xF0: DAC960_Error("Fatal Memory Parity Error for Controller at\n", Controller); return true; default: DAC960_Error("Unknown Initialization Error %02X for Controller at\n", Controller, ErrorStatus); return true; } return false; }

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andrew mortonandrew morton12067.80%116.67%
alan coxalan cox2312.99%116.67%
linus torvaldslinus torvalds179.60%116.67%
pre-gitpre-git169.04%233.33%
richard knutssonrichard knutsson10.56%116.67%
Total177100.00%6100.00%

/* * DAC960_DetectCleanup releases the resources that were allocated * during DAC960_DetectController(). DAC960_DetectController can * has several internal failure points, so not ALL resources may * have been allocated. It's important to free only * resources that HAVE been allocated. The code below always * tests that the resource has been allocated before attempting to * free it. */
static void DAC960_DetectCleanup(DAC960_Controller_T *Controller) { int i; /* Free the memory mailbox, status, and related structures */ free_dma_loaf(Controller->PCIDevice, &Controller->DmaPages); if (Controller->MemoryMappedAddress) { switch(Controller->HardwareType) { case DAC960_GEM_Controller: DAC960_GEM_DisableInterrupts(Controller->BaseAddress); break; case DAC960_BA_Controller: DAC960_BA_DisableInterrupts(Controller->BaseAddress); break; case DAC960_LP_Controller: DAC960_LP_DisableInterrupts(Controller->BaseAddress); break; case DAC960_LA_Controller: DAC960_LA_DisableInterrupts(Controller->BaseAddress); break; case DAC960_PG_Controller: DAC960_PG_DisableInterrupts(Controller->BaseAddress); break; case DAC960_PD_Controller: DAC960_PD_DisableInterrupts(Controller->BaseAddress); break; case DAC960_P_Controller: DAC960_PD_DisableInterrupts(Controller->BaseAddress); break; } iounmap(Controller->MemoryMappedAddress); } if (Controller->IRQ_Channel) free_irq(Controller->IRQ_Channel, Controller); if (Controller->IO_Address) release_region(Controller->IO_Address, 0x80); pci_disable_device(Controller->PCIDevice); for (i = 0; (i < DAC960_MaxLogicalDrives) && Controller->disks[i]; i++) put_disk(Controller->disks[i]); DAC960_Controllers[Controller->ControllerNumber] = NULL; kfree(Controller); }

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andrew mortonandrew morton13765.55%114.29%
pre-gitpre-git3014.35%228.57%
alan coxalan cox2411.48%114.29%
christoph hellwigchristoph hellwig115.26%114.29%
al viroal viro41.91%114.29%
william stinsonwilliam stinson31.44%114.29%
Total209100.00%7100.00%

/* DAC960_DetectController detects Mylex DAC960/AcceleRAID/eXtremeRAID PCI RAID Controllers by interrogating the PCI Configuration Space for Controller Type. */
static DAC960_Controller_T * DAC960_DetectController(struct pci_dev *PCI_Device, const struct pci_device_id *entry) { struct DAC960_privdata *privdata = (struct DAC960_privdata *)entry->driver_data; irq_handler_t InterruptHandler = privdata->InterruptHandler; unsigned int MemoryWindowSize = privdata->MemoryWindowSize; DAC960_Controller_T *Controller = NULL; unsigned char DeviceFunction = PCI_Device->devfn; unsigned char ErrorStatus, Parameter0, Parameter1; unsigned int IRQ_Channel; void __iomem *BaseAddress; int i; Controller = kzalloc(sizeof(DAC960_Controller_T), GFP_ATOMIC); if (Controller == NULL) { DAC960_Error("Unable to allocate Controller structure for " "Controller at\n", NULL); return NULL; } Controller->ControllerNumber = DAC960_ControllerCount; DAC960_Controllers[DAC960_ControllerCount++] = Controller; Controller->Bus = PCI_Device->bus->number; Controller->FirmwareType = privdata->FirmwareType; Controller->HardwareType = privdata->HardwareType; Controller->Device = DeviceFunction >> 3; Controller->Function = DeviceFunction & 0x7; Controller->PCIDevice = PCI_Device; strcpy(Controller->FullModelName, "DAC960"); if (pci_enable_device(PCI_Device)) goto Failure; switch (Controller->HardwareType) { case DAC960_GEM_Controller: Controller->PCI_Address = pci_resource_start(PCI_Device, 0); break; case DAC960_BA_Controller: Controller->PCI_Address = pci_resource_start(PCI_Device, 0); break; case DAC960_LP_Controller: Controller->PCI_Address = pci_resource_start(PCI_Device, 0); break; case DAC960_LA_Controller: Controller->PCI_Address = pci_resource_start(PCI_Device, 0); break; case DAC960_PG_Controller: Controller->PCI_Address = pci_resource_start(PCI_Device, 0); break; case DAC960_PD_Controller: Controller->IO_Address = pci_resource_start(PCI_Device, 0); Controller->PCI_Address = pci_resource_start(PCI_Device, 1); break; case DAC960_P_Controller: Controller->IO_Address = pci_resource_start(PCI_Device, 0); Controller->PCI_Address = pci_resource_start(PCI_Device, 1); break; } pci_set_drvdata(PCI_Device, (void *)((long)Controller->ControllerNumber)); for (i = 0; i < DAC960_MaxLogicalDrives; i++) { Controller->disks[i] = alloc_disk(1<<DAC960_MaxPartitionsBits); if (!Controller->disks[i]) goto Failure; Controller->disks[i]->private_data = (void *)((long)i); } init_waitqueue_head(&Controller->CommandWaitQueue); init_waitqueue_head(&Controller->HealthStatusWaitQueue); spin_lock_init(&Controller->queue_lock); DAC960_AnnounceDriver(Controller); /* Map the Controller Register Window. */ if (MemoryWindowSize < PAGE_SIZE) MemoryWindowSize = PAGE_SIZE; Controller->MemoryMappedAddress = ioremap_nocache(Controller->PCI_Address & PAGE_MASK, MemoryWindowSize); Controller->BaseAddress = Controller->MemoryMappedAddress + (Controller->PCI_Address & ~PAGE_MASK); if (Controller->MemoryMappedAddress == NULL) { DAC960_Error("Unable to map Controller Register Window for " "Controller at\n", Controller); goto Failure; } BaseAddress = Controller->BaseAddress; switch (Controller->HardwareType) { case DAC960_GEM_Controller: DAC960_GEM_DisableInterrupts(BaseAddress); DAC960_GEM_AcknowledgeHardwareMailboxStatus(BaseAddress); udelay(1000); while (DAC960_GEM_InitializationInProgressP(BaseAddress)) { if (DAC960_GEM_ReadErrorStatus(BaseAddress, &ErrorStatus, &Parameter0, &Parameter1) && DAC960_ReportErrorStatus(Controller, ErrorStatus, Parameter0, Parameter1)) goto Failure; udelay(10); } if (!DAC960_V2_EnableMemoryMailboxInterface(Controller)) { DAC960_Error("Unable to Enable Memory Mailbox Interface " "for Controller at\n", Controller); goto Failure; } DAC960_GEM_EnableInterrupts(BaseAddress); Controller->QueueCommand = DAC960_GEM_QueueCommand; Controller->ReadControllerConfiguration = DAC960_V2_ReadControllerConfiguration; Controller->ReadDeviceConfiguration = DAC960_V2_ReadDeviceConfiguration; Controller->ReportDeviceConfiguration = DAC960_V2_ReportDeviceConfiguration; Controller->QueueReadWriteCommand = DAC960_V2_QueueReadWriteCommand; break; case DAC960_BA_Controller: DAC960_BA_DisableInterrupts(BaseAddress); DAC960_BA_AcknowledgeHardwareMailboxStatus(BaseAddress); udelay(1000); while (DAC960_BA_InitializationInProgressP(BaseAddress)) { if (DAC960_BA_ReadErrorStatus(BaseAddress, &ErrorStatus, &Parameter0, &Parameter1) && DAC960_ReportErrorStatus(Controller, ErrorStatus, Parameter0, Parameter1)) goto Failure; udelay(10); } if (!DAC960_V2_EnableMemoryMailboxInterface(Controller)) { DAC960_Error("Unable to Enable Memory Mailbox Interface " "for Controller at\n", Controller); goto Failure; } DAC960_BA_EnableInterrupts(BaseAddress); Controller->QueueCommand = DAC960_BA_QueueCommand; Controller->ReadControllerConfiguration = DAC960_V2_ReadControllerConfiguration; Controller->ReadDeviceConfiguration = DAC960_V2_ReadDeviceConfiguration; Controller->ReportDeviceConfiguration = DAC960_V2_ReportDeviceConfiguration; Controller->QueueReadWriteCommand = DAC960_V2_QueueReadWriteCommand; break; case DAC960_LP_Controller: DAC960_LP_DisableInterrupts(BaseAddress); DAC960_LP_AcknowledgeHardwareMailboxStatus(BaseAddress); udelay(1000); while (DAC960_LP_InitializationInProgressP(BaseAddress)) { if (DAC960_LP_ReadErrorStatus(BaseAddress, &ErrorStatus, &Parameter0, &Parameter1) && DAC960_ReportErrorStatus(Controller, ErrorStatus, Parameter0, Parameter1)) goto Failure; udelay(10); } if (!DAC960_V2_EnableMemoryMailboxInterface(Controller)) { DAC960_Error("Unable to Enable Memory Mailbox Interface " "for Controller at\n", Controller); goto Failure; } DAC960_LP_EnableInterrupts(BaseAddress); Controller->QueueCommand = DAC960_LP_QueueCommand; Controller->ReadControllerConfiguration = DAC960_V2_ReadControllerConfiguration; Controller->ReadDeviceConfiguration = DAC960_V2_ReadDeviceConfiguration; Controller->ReportDeviceConfiguration = DAC960_V2_ReportDeviceConfiguration; Controller->QueueReadWriteCommand = DAC960_V2_QueueReadWriteCommand; break; case DAC960_LA_Controller: DAC960_LA_DisableInterrupts(BaseAddress); DAC960_LA_AcknowledgeHardwareMailboxStatus(BaseAddress); udelay(1000); while (DAC960_LA_InitializationInProgressP(BaseAddress)) { if (DAC960_LA_ReadErrorStatus(BaseAddress, &ErrorStatus, &Parameter0, &Parameter1) && DAC960_ReportErrorStatus(Controller, ErrorStatus, Parameter0, Parameter1)) goto Failure; udelay(10); } if (!DAC960_V1_EnableMemoryMailboxInterface(Controller)) { DAC960_Error("Unable to Enable Memory Mailbox Interface " "for Controller at\n", Controller); goto Failure; } DAC960_LA_EnableInterrupts(BaseAddress); if (Controller->V1.DualModeMemoryMailboxInterface) Controller->QueueCommand = DAC960_LA_QueueCommandDualMode; else Controller->QueueCommand = DAC960_LA_QueueCommandSingleMode; Controller->ReadControllerConfiguration = DAC960_V1_ReadControllerConfiguration; Controller->ReadDeviceConfiguration = DAC960_V1_ReadDeviceConfiguration; Controller->ReportDeviceConfiguration = DAC960_V1_ReportDeviceConfiguration; Controller->QueueReadWriteCommand = DAC960_V1_QueueReadWriteCommand; break; case DAC960_PG_Controller: DAC960_PG_DisableInterrupts(BaseAddress); DAC960_PG_AcknowledgeHardwareMailboxStatus(BaseAddress); udelay(1000); while (DAC960_PG_InitializationInProgressP(BaseAddress)) { if (DAC960_PG_ReadErrorStatus(BaseAddress, &ErrorStatus, &Parameter0, &Parameter1) && DAC960_ReportErrorStatus(Controller, ErrorStatus, Parameter0, Parameter1)) goto Failure; udelay(10); } if (!DAC960_V1_EnableMemoryMailboxInterface(Controller)) { DAC960_Error("Unable to Enable Memory Mailbox Interface " "for Controller at\n", Controller); goto Failure; } DAC960_PG_EnableInterrupts(BaseAddress); if (Controller->V1.DualModeMemoryMailboxInterface) Controller->QueueCommand = DAC960_PG_QueueCommandDualMode; else Controller->QueueCommand = DAC960_PG_QueueCommandSingleMode; Controller->ReadControllerConfiguration = DAC960_V1_ReadControllerConfiguration; Controller->ReadDeviceConfiguration = DAC960_V1_ReadDeviceConfiguration; Controller->ReportDeviceConfiguration = DAC960_V1_ReportDeviceConfiguration; Controller->QueueReadWriteCommand = DAC960_V1_QueueReadWriteCommand; break; case DAC960_PD_Controller: if (!request_region(Controller->IO_Address, 0x80, Controller->FullModelName)) { DAC960_Error("IO port 0x%d busy for Controller at\n", Controller, Controller->IO_Address); goto Failure; } DAC960_PD_DisableInterrupts(BaseAddress); DAC960_PD_AcknowledgeStatus(BaseAddress); udelay(1000); while (DAC960_PD_InitializationInProgressP(BaseAddress)) { if (DAC960_PD_ReadErrorStatus(BaseAddress, &ErrorStatus, &Parameter0, &Parameter1) && DAC960_ReportErrorStatus(Controller, ErrorStatus, Parameter0, Parameter1)) goto Failure; udelay(10); } if (!DAC960_V1_EnableMemoryMailboxInterface(Controller)) { DAC960_Error("Unable to allocate DMA mapped memory " "for Controller at\n", Controller); goto Failure; } DAC960_PD_EnableInterrupts(BaseAddress); Controller->QueueCommand = DAC960_PD_QueueCommand; Controller->ReadControllerConfiguration = DAC960_V1_ReadControllerConfiguration; Controller->ReadDeviceConfiguration = DAC960_V1_ReadDeviceConfiguration; Controller->ReportDeviceConfiguration = DAC960_V1_ReportDeviceConfiguration; Controller->QueueReadWriteCommand = DAC960_V1_QueueReadWriteCommand; break; case DAC960_P_Controller: if (!request_region(Controller->IO_Address, 0x80, Controller->FullModelName)){ DAC960_Error("IO port 0x%d busy for Controller at\n", Controller, Controller->IO_Address); goto Failure; } DAC960_PD_DisableInterrupts(BaseAddress); DAC960_PD_AcknowledgeStatus(BaseAddress); udelay(1000); while (DAC960_PD_InitializationInProgressP(BaseAddress)) { if (DAC960_PD_ReadErrorStatus(BaseAddress, &ErrorStatus, &Parameter0, &Parameter1) && DAC960_ReportErrorStatus(Controller, ErrorStatus, Parameter0, Parameter1)) goto Failure; udelay(10); } if (!DAC960_V1_EnableMemoryMailboxInterface(Controller)) { DAC960_Error("Unable to allocate DMA mapped memory" "for Controller at\n", Controller); goto Failure; } DAC960_PD_EnableInterrupts(BaseAddress); Controller->QueueCommand = DAC960_P_QueueCommand; Controller->ReadControllerConfiguration = DAC960_V1_ReadControllerConfiguration; Controller->ReadDeviceConfiguration = DAC960_V1_ReadDeviceConfiguration; Controller->ReportDeviceConfiguration = DAC960_V1_ReportDeviceConfiguration; Controller->QueueReadWriteCommand = DAC960_V1_QueueReadWriteCommand; break; } /* Acquire shared access to the IRQ Channel. */ IRQ_Channel = PCI_Device->irq; if (request_irq(IRQ_Channel, InterruptHandler, IRQF_SHARED, Controller->FullModelName, Controller) < 0) { DAC960_Error("Unable to acquire IRQ Channel %d for Controller at\n", Controller, Controller->IRQ_Channel); goto Failure; } Controller->IRQ_Channel = IRQ_Channel; Controller->InitialCommand.CommandIdentifier = 1; Controller->InitialCommand.Controller = Controller; Controller->Commands[0] = &Controller->InitialCommand; Controller->FreeCommands = &Controller->InitialCommand; return Controller; Failure: if (Controller->IO_Address == 0) DAC960_Error("PCI Bus %d Device %d Function %d I/O Address N/A " "PCI Address 0x%X\n", Controller, Controller->Bus, Controller->Device, Controller->Function, Controller->PCI_Address); else DAC960_Error("PCI Bus %d Device %d Function %d I/O Address " "0x%X PCI Address 0x%X\n", Controller, Controller->Bus, Controller->Device, Controller->Function, Controller->IO_Address, Controller->PCI_Address); DAC960_DetectCleanup(Controller); DAC960_ControllerCount--; return NULL; }

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andrew mortonandrew morton98961.66%420.00%
alan coxalan cox23314.53%15.00%
pre-gitpre-git20712.91%210.00%
christoph hellwigchristoph hellwig1348.35%15.00%
al viroal viro140.87%525.00%
linus torvaldslinus torvalds130.81%210.00%
bjorn helgaasbjorn helgaas60.37%15.00%
thomas gleixnerthomas gleixner50.31%210.00%
david howellsdavid howells20.12%15.00%
eric sesterhenneric sesterhenn10.06%15.00%
Total1604100.00%20100.00%

/* DAC960_InitializeController initializes Controller. */
static bool DAC960_InitializeController(DAC960_Controller_T *Controller) { if (DAC960_ReadControllerConfiguration(Controller) && DAC960_ReportControllerConfiguration(Controller) && DAC960_CreateAuxiliaryStructures(Controller) && DAC960_ReadDeviceConfiguration(Controller) && DAC960_ReportDeviceConfiguration(Controller) && DAC960_RegisterBlockDevice(Controller)) { /* Initialize the Monitoring Timer. */ init_timer(&Controller->MonitoringTimer); Controller->MonitoringTimer.expires = jiffies + DAC960_MonitoringTimerInterval; Controller->MonitoringTimer.data = (unsigned long) Controller; Controller->MonitoringTimer.function = DAC960_MonitoringTimerFunction; add_timer(&Controller->MonitoringTimer); Controller->ControllerInitialized = true; return true; } return false; }

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andrew mortonandrew morton7471.84%120.00%
alan coxalan cox1514.56%120.00%
pre-gitpre-git1312.62%240.00%
richard knutssonrichard knutsson10.97%120.00%
Total103100.00%5100.00%

/* DAC960_FinalizeController finalizes Controller. */
static void DAC960_FinalizeController(DAC960_Controller_T *Controller) { if (Controller->ControllerInitialized) { unsigned long flags; /* * Acquiring and releasing lock here eliminates * a very low probability race. * * The code below allocates controller command structures * from the free list without holding the controller lock. * This is safe assuming there is no other activity on * the controller at the time. * * But, there might be a monitoring command still * in progress. Setting the Shutdown flag while holding * the lock ensures that there is no monitoring command * in the interrupt handler currently, and any monitoring * commands that complete from this time on will NOT return * their command structure to the free list. */ spin_lock_irqsave(&Controller->queue_lock, flags); Controller->ShutdownMonitoringTimer = 1; spin_unlock_irqrestore(&Controller->queue_lock, flags); del_timer_sync(&Controller->MonitoringTimer); if (Controller->FirmwareType == DAC960_V1_Controller) { DAC960_Notice("Flushing Cache...", Controller); DAC960_V1_ExecuteType3(Controller, DAC960_V1_Flush, 0); DAC960_Notice("done\n", Controller); if (Controller->HardwareType == DAC960_PD_Controller) release_region(Controller->IO_Address, 0x80); } else { DAC960_Notice("Flushing Cache...", Controller); DAC960_V2_DeviceOperation(Controller, DAC960_V2_PauseDevice, DAC960_V2_RAID_Controller); DAC960_Notice("done\n", Controller); } } DAC960_UnregisterBlockDevice(Controller); DAC960_DestroyAuxiliaryStructures(Controller); DAC960_DestroyProcEntries(Controller); DAC960_DetectCleanup(Controller); }

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andrew mortonandrew morton13789.54%240.00%
pre-gitpre-git95.88%240.00%
alan coxalan cox74.58%120.00%
Total153100.00%5100.00%

/* DAC960_Probe verifies controller's existence and initializes the DAC960 Driver for that controller. */
static int DAC960_Probe(struct pci_dev *dev, const struct pci_device_id *entry) { int disk; DAC960_Controller_T *Controller; if (DAC960_ControllerCount == DAC960_MaxControllers) { DAC960_Error("More than %d DAC960 Controllers detected - " "ignoring from Controller at\n", NULL, DAC960_MaxControllers); return -ENODEV; } Controller = DAC960_DetectController(dev, entry); if (!Controller) return -ENODEV; if (!DAC960_InitializeController(Controller)) { DAC960_FinalizeController(Controller); return -ENODEV; } for (disk = 0; disk < DAC960_MaxLogicalDrives; disk++) { set_capacity(Controller->disks[disk], disk_size(Controller, disk)); add_disk(Controller->disks[disk]); } DAC960_CreateProcEntries(Controller); return 0; }

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andrew mortonandrew morton133100.00%1100.00%
Total133100.00%1100.00%

/* DAC960_Finalize finalizes the DAC960 Driver. */
static void DAC960_Remove(struct pci_dev *PCI_Device) { int Controller_Number = (long)pci_get_drvdata(PCI_Device); DAC960_Controller_T *Controller = DAC960_Controllers[Controller_Number]; if (Controller != NULL) DAC960_FinalizeController(Controller); }

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andrew mortonandrew morton42100.00%3100.00%
Total42100.00%3100.00%

/* DAC960_V1_QueueReadWriteCommand prepares and queues a Read/Write Command for DAC960 V1 Firmware Controllers. */
static void DAC960_V1_QueueReadWriteCommand(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; DAC960_V1_ScatterGatherSegment_T *ScatterGatherList = Command->V1.ScatterGatherList; struct scatterlist *ScatterList = Command->V1.ScatterList; DAC960_V1_ClearCommand(Command); if (Command->SegmentCount == 1) { if (Command->DmaDirection == PCI_DMA_FROMDEVICE) CommandMailbox->Type5.CommandOpcode = DAC960_V1_Read; else CommandMailbox->Type5.CommandOpcode = DAC960_V1_Write; CommandMailbox->Type5.LD.TransferLength = Command->BlockCount; CommandMailbox->Type5.LD.LogicalDriveNumber = Command->LogicalDriveNumber; CommandMailbox->Type5.LogicalBlockAddress = Command->BlockNumber; CommandMailbox->Type5.BusAddress = (DAC960_BusAddress32_T)sg_dma_address(ScatterList); } else { int i; if (Command->DmaDirection == PCI_DMA_FROMDEVICE) CommandMailbox->Type5.CommandOpcode = DAC960_V1_ReadWithScatterGather; else CommandMailbox->Type5.CommandOpcode = DAC960_V1_WriteWithScatterGather; CommandMailbox->Type5.LD.TransferLength = Command->BlockCount; CommandMailbox->Type5.LD.LogicalDriveNumber = Command->LogicalDriveNumber; CommandMailbox->Type5.LogicalBlockAddress = Command->BlockNumber; CommandMailbox->Type5.BusAddress = Command->V1.ScatterGatherListDMA; CommandMailbox->Type5.ScatterGatherCount = Command->SegmentCount; for (i = 0; i < Command->SegmentCount; i++, ScatterList++, ScatterGatherList++) { ScatterGatherList->SegmentDataPointer = (DAC960_BusAddress32_T)sg_dma_address(ScatterList); ScatterGatherList->SegmentByteCount = (DAC960_ByteCount32_T)sg_dma_len(ScatterList); } } DAC960_QueueCommand(Command); }

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Total277100.00%1100.00%

/* DAC960_V2_QueueReadWriteCommand prepares and queues a Read/Write Command for DAC960 V2 Firmware Controllers. */
static void DAC960_V2_QueueReadWriteCommand(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox; struct scatterlist *ScatterList = Command->V2.ScatterList; DAC960_V2_ClearCommand(Command); CommandMailbox->SCSI_10.CommandOpcode = DAC960_V2_SCSI_10; CommandMailbox->SCSI_10.CommandControlBits.DataTransferControllerToHost = (Command->DmaDirection == PCI_DMA_FROMDEVICE); CommandMailbox->SCSI_10.DataTransferSize = Command->BlockCount << DAC960_BlockSizeBits; CommandMailbox->SCSI_10.RequestSenseBusAddress = Command->V2.RequestSenseDMA; CommandMailbox->SCSI_10.PhysicalDevice = Controller->V2.LogicalDriveToVirtualDevice[Command->LogicalDriveNumber]; CommandMailbox->SCSI_10.RequestSenseSize = sizeof(DAC960_SCSI_RequestSense_T); CommandMailbox->SCSI_10.CDBLength = 10; CommandMailbox->SCSI_10.SCSI_CDB[0] = (Command->DmaDirection == PCI_DMA_FROMDEVICE ? 0x28 : 0x2A); CommandMailbox->SCSI_10.SCSI_CDB[2] = Command->BlockNumber >> 24; CommandMailbox->SCSI_10.SCSI_CDB[3] = Command->BlockNumber >> 16; CommandMailbox->SCSI_10.SCSI_CDB[4] = Command->BlockNumber >> 8; CommandMailbox->SCSI_10.SCSI_CDB[5] = Command->BlockNumber; CommandMailbox->SCSI_10.SCSI_CDB[7] = Command->BlockCount >> 8; CommandMailbox->SCSI_10.SCSI_CDB[8] = Command->BlockCount; if (Command->SegmentCount == 1) { CommandMailbox->SCSI_10.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentDataPointer = (DAC960_BusAddress64_T)sg_dma_address(ScatterList); CommandMailbox->SCSI_10.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentByteCount = CommandMailbox->SCSI_10.DataTransferSize; } else { DAC960_V2_ScatterGatherSegment_T *ScatterGatherList; int i; if (Command->SegmentCount > 2) { ScatterGatherList = Command->V2.ScatterGatherList; CommandMailbox->SCSI_10.CommandControlBits .AdditionalScatterGatherListMemory = true; CommandMailbox->SCSI_10.DataTransferMemoryAddress .ExtendedScatterGather.ScatterGatherList0Length = Command->SegmentCount; CommandMailbox->SCSI_10.DataTransferMemoryAddress .ExtendedScatterGather.ScatterGatherList0Address = Command->V2.ScatterGatherListDMA; } else ScatterGatherList = CommandMailbox->SCSI_10.DataTransferMemoryAddress .ScatterGatherSegments; for (i = 0; i < Command->SegmentCount; i++, ScatterList++, ScatterGatherList++) { ScatterGatherList->SegmentDataPointer = (DAC960_BusAddress64_T)sg_dma_address(ScatterList); ScatterGatherList->SegmentByteCount = (DAC960_ByteCount64_T)sg_dma_len(ScatterList); } } DAC960_QueueCommand(Command); }

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andrew mortonandrew morton17942.93%228.57%
alan coxalan cox17040.77%114.29%
pre-gitpre-git6716.07%342.86%
linus torvaldslinus torvalds10.24%114.29%
Total417100.00%7100.00%


static int DAC960_process_queue(DAC960_Controller_T *Controller, struct request_queue *req_q) { struct request *Request; DAC960_Command_T *Command; while(1) { Request = blk_peek_request(req_q); if (!Request) return 1; Command = DAC960_AllocateCommand(Controller); if (Command == NULL) return 0; if (rq_data_dir(Request) == READ) { Command->DmaDirection = PCI_DMA_FROMDEVICE; Command->CommandType = DAC960_ReadCommand; } else { Command->DmaDirection = PCI_DMA_TODEVICE; Command->CommandType = DAC960_WriteCommand; } Command->Completion = Request->end_io_data; Command->LogicalDriveNumber = (long)Request->rq_disk->private_data; Command->BlockNumber = blk_rq_pos(Request); Command->BlockCount = blk_rq_sectors(Request); Command->Request = Request; blk_start_request(Request); Command->SegmentCount = blk_rq_map_sg(req_q, Command->Request, Command->cmd_sglist); /* pci_map_sg MAY change the value of SegCount */ Command->SegmentCount = pci_map_sg(Controller->PCIDevice, Command->cmd_sglist, Command->SegmentCount, Command->DmaDirection); DAC960_QueueReadWriteCommand(Command); } }

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andrew mortonandrew morton7437.95%533.33%
alan coxalan cox5829.74%16.67%
pre-gitpre-git4422.56%213.33%
tejun heotejun heo84.10%213.33%
jens axboejens axboe84.10%213.33%
linus torvaldslinus torvalds21.03%213.33%
al viroal viro10.51%16.67%
Total195100.00%15100.00%

/* DAC960_ProcessRequest attempts to remove one I/O Request from Controller's I/O Request Queue and queues it to the Controller. WaitForCommand is true if this function should wait for a Command to become available if necessary. This function returns true if an I/O Request was queued and false otherwise. */
static void DAC960_ProcessRequest(DAC960_Controller_T *controller) { int i; if (!controller->ControllerInitialized) return; /* Do this better later! */ for (i = controller->req_q_index; i < DAC960_MaxLogicalDrives; i++) { struct request_queue *req_q = controller->RequestQueue[i]; if (req_q == NULL) continue; if (!DAC960_process_queue(controller, req_q)) { controller->req_q_index = i; return; } } if (controller->req_q_index == 0) return; for (i = 0; i < controller->req_q_index; i++) { struct request_queue *req_q = controller->RequestQueue[i]; if (req_q == NULL) continue; if (!DAC960_process_queue(controller, req_q)) { controller->req_q_index = i; return; } } }

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andrew mortonandrew morton14099.29%150.00%
pre-gitpre-git10.71%150.00%
Total141100.00%2100.00%

/* DAC960_queue_partial_rw extracts one bio from the request already associated with argument command, and construct a new command block to retry I/O only on that bio. Queue that command to the controller. This function re-uses a previously-allocated Command, there is no failure mode from trying to allocate a command. */
static void DAC960_queue_partial_rw(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; struct request *Request = Command->Request; struct request_queue *req_q = Controller->RequestQueue[Command->LogicalDriveNumber]; if (Command->DmaDirection == PCI_DMA_FROMDEVICE) Command->CommandType = DAC960_ReadRetryCommand; else Command->CommandType = DAC960_WriteRetryCommand; /* * We could be more efficient with these mapping requests * and map only the portions that we need. But since this * code should almost never be called, just go with a * simple coding. */ (void)blk_rq_map_sg(req_q, Command->Request, Command->cmd_sglist); (void)pci_map_sg(Controller->PCIDevice, Command->cmd_sglist, 1, Command->DmaDirection); /* * Resubmitting the request sector at a time is really tedious. * But, this should almost never happen. So, we're willing to pay * this price so that in the end, as much of the transfer is completed * successfully as possible. */ Command->SegmentCount = 1; Command->BlockNumber = blk_rq_pos(Request); Command->BlockCount = 1; DAC960_QueueReadWriteCommand(Command); return; }

Contributors

PersonTokensPropCommitsCommitProp
andrew mortonandrew morton11489.76%457.14%
alan coxalan cox75.51%114.29%
pre-gitpre-git32.36%114.29%
tejun heotejun heo32.36%114.29%
Total127100.00%7100.00%

/* DAC960_RequestFunction is the I/O Request Function for DAC960 Controllers. */
static void DAC960_RequestFunction(struct request_queue *RequestQueue) { DAC960_ProcessRequest(RequestQueue->queuedata); }

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andrew mortonandrew morton1794.44%375.00%
alan coxalan cox15.56%125.00%
Total18100.00%4100.00%

/* DAC960_ProcessCompletedBuffer performs completion processing for an individual Buffer. */
static inline bool DAC960_ProcessCompletedRequest(DAC960_Command_T *Command, bool SuccessfulIO) { struct request *Request = Command->Request; int Error = SuccessfulIO ? 0 : -EIO; pci_unmap_sg(Command->Controller->PCIDevice, Command->cmd_sglist, Command->SegmentCount, Command->DmaDirection); if (!__blk_end_request(Request, Error, Command->BlockCount << 9)) { if (Command->Completion) { complete(Command->Completion); Command->Completion = NULL; } return true; } return false; }

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PersonTokensPropCommitsCommitProp
alan coxalan cox4040.40%110.00%
andrew mortonandrew morton1818.18%330.00%
pre-gitpre-git1616.16%220.00%
kiyoshi uedakiyoshi ueda1212.12%110.00%
linus torvaldslinus torvalds1111.11%220.00%
richard knutssonrichard knutsson22.02%110.00%
Total99100.00%10100.00%

/* DAC960_V1_ReadWriteError prints an appropriate error message for Command when an error occurs on a Read or Write operation. */
static void DAC960_V1_ReadWriteError(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; unsigned char *CommandName = "UNKNOWN"; switch (Command->CommandType) { case DAC960_ReadCommand: case DAC960_ReadRetryCommand: CommandName = "READ"; break; case DAC960_WriteCommand: case DAC960_WriteRetryCommand: CommandName = "WRITE"; break; case DAC960_MonitoringCommand: case DAC960_ImmediateCommand: case DAC960_QueuedCommand: break; } switch (Command->V1.CommandStatus) { case DAC960_V1_IrrecoverableDataError: DAC960_Error("Irrecoverable Data Error on %s:\n", Controller, CommandName); break; case DAC960_V1_LogicalDriveNonexistentOrOffline: DAC960_Error("Logical Drive Nonexistent or Offline on %s:\n", Controller, CommandName); break; case DAC960_V1_AccessBeyondEndOfLogicalDrive: DAC960_Error("Attempt to Access Beyond End of Logical Drive " "on %s:\n", Controller, CommandName); break; case DAC960_V1_BadDataEncountered: DAC960_Error("Bad Data Encountered on %s:\n", Controller, CommandName); break; default: DAC960_Error("Unexpected Error Status %04X on %s:\n", Controller, Command->V1.CommandStatus, CommandName); break; } DAC960_Error(" /dev/rd/c%dd%d: absolute blocks %u..%u\n", Controller, Controller->ControllerNumber, Command->LogicalDriveNumber, Command->BlockNumber, Command->BlockNumber + Command->BlockCount - 1); }

Contributors

PersonTokensPropCommitsCommitProp
alan coxalan cox14482.76%125.00%
pre-gitpre-git2313.22%250.00%
linus torvaldslinus torvalds74.02%125.00%
Total174100.00%4100.00%

/* DAC960_V1_ProcessCompletedCommand performs completion processing for Command for DAC960 V1 Firmware Controllers. */
static void DAC960_V1_ProcessCompletedCommand(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; DAC960_CommandType_T CommandType = Command->CommandType; DAC960_V1_CommandOpcode_T CommandOpcode = Command->V1.CommandMailbox.Common.CommandOpcode; DAC960_V1_CommandStatus_T CommandStatus = Command->V1.CommandStatus; if (CommandType == DAC960_ReadCommand || CommandType == DAC960_WriteCommand) { #ifdef FORCE_RETRY_DEBUG CommandStatus = DAC960_V1_IrrecoverableDataError; #endif if (CommandStatus == DAC960_V1_NormalCompletion) { if (!DAC960_ProcessCompletedRequest(Command, true)) BUG(); } else if (CommandStatus == DAC960_V1_IrrecoverableDataError || CommandStatus == DAC960_V1_BadDataEncountered) { /* * break the command down into pieces and resubmit each * piece, hoping that some of them will succeed. */ DAC960_queue_partial_rw(Command); return; } else { if (CommandStatus != DAC960_V1_LogicalDriveNonexistentOrOffline) DAC960_V1_ReadWriteError(Command); if (!DAC960_ProcessCompletedRequest(Command, false)) BUG(); } } else if (CommandType == DAC960_ReadRetryCommand || CommandType == DAC960_WriteRetryCommand) { bool normal_completion; #ifdef FORCE_RETRY_FAILURE_DEBUG static int retry_count = 1; #endif /* Perform completion processing for the portion that was retried, and submit the next portion, if any. */ normal_completion = true; if (CommandStatus != DAC960_V1_NormalCompletion) { normal_completion = false; if (CommandStatus != DAC960_V1_LogicalDriveNonexistentOrOffline) DAC960_V1_ReadWriteError(Command); } #ifdef FORCE_RETRY_FAILURE_DEBUG if (!(++retry_count % 10000)) { printk("V1 error retry failure test\n"); normal_completion = false; DAC960_V1_ReadWriteError(Command); } #endif if (!DAC960_ProcessCompletedRequest(Command, normal_completion)) { DAC960_queue_partial_rw(Command); return; } } else if (CommandType == DAC960_MonitoringCommand) { if (Controller->ShutdownMonitoringTimer) return; if (CommandOpcode == DAC960_V1_Enquiry) { DAC960_V1_Enquiry_T *OldEnquiry = &Controller->V1.Enquiry; DAC960_V1_Enquiry_T *NewEnquiry = Controller->V1.NewEnquiry; unsigned int OldCriticalLogicalDriveCount = OldEnquiry->CriticalLogicalDriveCount; unsigned int NewCriticalLogicalDriveCount = NewEnquiry->CriticalLogicalDriveCount; if (NewEnquiry->NumberOfLogicalDrives > Controller->LogicalDriveCount) { int LogicalDriveNumber = Controller->LogicalDriveCount - 1; while (++LogicalDriveNumber < NewEnquiry->NumberOfLogicalDrives) DAC960_Critical("Logical Drive %d (/dev/rd/c%dd%d) " "Now Exists\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber); Controller->LogicalDriveCount = NewEnquiry->NumberOfLogicalDrives; DAC960_ComputeGenericDiskInfo(Controller); } if (NewEnquiry->NumberOfLogicalDrives < Controller->LogicalDriveCount) { int LogicalDriveNumber = NewEnquiry->NumberOfLogicalDrives - 1; while (++LogicalDriveNumber < Controller->LogicalDriveCount) DAC960_Critical("Logical Drive %d (/dev/rd/c%dd%d) " "No Longer Exists\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber); Controller->LogicalDriveCount = NewEnquiry->NumberOfLogicalDrives; DAC960_ComputeGenericDiskInfo(Controller); } if (NewEnquiry->StatusFlags.DeferredWriteError != OldEnquiry->StatusFlags.DeferredWriteError) DAC960_Critical("Deferred Write Error Flag is now %s\n", Controller, (NewEnquiry->StatusFlags.DeferredWriteError ? "TRUE" : "FALSE")); if ((NewCriticalLogicalDriveCount > 0 || NewCriticalLogicalDriveCount != OldCriticalLogicalDriveCount) || (NewEnquiry->OfflineLogicalDriveCount > 0 || NewEnquiry->OfflineLogicalDriveCount != OldEnquiry->OfflineLogicalDriveCount) || (NewEnquiry->DeadDriveCount > 0 || NewEnquiry->DeadDriveCount != OldEnquiry->DeadDriveCount) || (NewEnquiry->EventLogSequenceNumber != OldEnquiry->EventLogSequenceNumber) || Controller->MonitoringTimerCount == 0 || time_after_eq(jiffies, Controller->SecondaryMonitoringTime + DAC960_SecondaryMonitoringInterval)) { Controller->V1.NeedLogicalDriveInformation = true; Controller->V1.NewEventLogSequenceNumber = NewEnquiry->EventLogSequenceNumber; Controller->V1.NeedErrorTableInformation = true; Controller->V1.NeedDeviceStateInformation = true; Controller->V1.StartDeviceStateScan = true; Controller->V1.NeedBackgroundInitializationStatus = Controller->V1.BackgroundInitializationStatusSupported; Controller->SecondaryMonitoringTime = jiffies; } if (NewEnquiry->RebuildFlag == DAC960_V1_StandbyRebuildInProgress || NewEnquiry->RebuildFlag == DAC960_V1_BackgroundRebuildInProgress || OldEnquiry->RebuildFlag == DAC960_V1_StandbyRebuildInProgress || OldEnquiry->RebuildFlag == DAC960_V1_BackgroundRebuildInProgress) { Controller->V1.NeedRebuildProgress = true; Controller->V1.RebuildProgressFirst = (NewEnquiry->CriticalLogicalDriveCount < OldEnquiry->CriticalLogicalDriveCount); } if (OldEnquiry->RebuildFlag == DAC960_V1_BackgroundCheckInProgress) switch (NewEnquiry->RebuildFlag) { case DAC960_V1_NoStandbyRebuildOrCheckInProgress: DAC960_Progress("Consistency Check Completed Successfully\n", Controller); break; case DAC960_V1_StandbyRebuildInProgress: case DAC960_V1_BackgroundRebuildInProgress: break; case DAC960_V1_BackgroundCheckInProgress: Controller->V1.NeedConsistencyCheckProgress = true; break; case DAC960_V1_StandbyRebuildCompletedWithError: DAC960_Progress("Consistency Check Completed with Error\n", Controller); break; case DAC960_V1_BackgroundRebuildOrCheckFailed_DriveFailed: DAC960_Progress("Consistency Check Failed - " "Physical Device Failed\n", Controller); break; case DAC960_V1_BackgroundRebuildOrCheckFailed_LogicalDriveFailed: DAC960_Progress("Consistency Check Failed - " "Logical Drive Failed\n", Controller); break; case DAC960_V1_BackgroundRebuildOrCheckFailed_OtherCauses: DAC960_Progress("Consistency Check Failed - Other Causes\n", Controller); break; case DAC960_V1_BackgroundRebuildOrCheckSuccessfullyTerminated: DAC960_Progress("Consistency Check Successfully Terminated\n", Controller); break; } else if (NewEnquiry->RebuildFlag == DAC960_V1_BackgroundCheckInProgress) Controller->V1.NeedConsistencyCheckProgress = true; Controller->MonitoringAlertMode = (NewEnquiry->CriticalLogicalDriveCount > 0 || NewEnquiry->OfflineLogicalDriveCount > 0 || NewEnquiry->DeadDriveCount > 0); if (NewEnquiry->RebuildFlag > DAC960_V1_BackgroundCheckInProgress) { Controller->V1.PendingRebuildFlag = NewEnquiry->RebuildFlag; Controller->V1.RebuildFlagPending = true; } memcpy(&Controller->V1.Enquiry, &Controller->V1.NewEnquiry, sizeof(DAC960_V1_Enquiry_T)); } else if (CommandOpcode == DAC960_V1_PerformEventLogOperation) { static char *DAC960_EventMessages[] = { "killed because write recovery failed", "killed because of SCSI bus reset failure", "killed because of double check condition", "killed because it was removed", "killed because of gross error on SCSI chip", "killed because of bad tag returned from drive", "killed because of timeout on SCSI command", "killed because of reset SCSI command issued from system", "killed because busy or parity error count exceeded limit", "killed because of 'kill drive' command from system", "killed because of selection timeout", "killed due to SCSI phase sequence error", "killed due to unknown status" }; DAC960_V1_EventLogEntry_T *EventLogEntry = Controller->V1.EventLogEntry; if (EventLogEntry->SequenceNumber == Controller->V1.OldEventLogSequenceNumber) { unsigned char SenseKey = EventLogEntry->SenseKey; unsigned char AdditionalSenseCode = EventLogEntry->AdditionalSenseCode; unsigned char AdditionalSenseCodeQualifier = EventLogEntry->AdditionalSenseCodeQualifier; if (SenseKey == DAC960_SenseKey_VendorSpecific && AdditionalSenseCode == 0x80 && AdditionalSenseCodeQualifier < ARRAY_SIZE(DAC960_EventMessages)) DAC960_Critical("Physical Device %d:%d %s\n", Controller, EventLogEntry->Channel, EventLogEntry->TargetID, DAC960_EventMessages[ AdditionalSenseCodeQualifier]); else if (SenseKey == DAC960_SenseKey_UnitAttention && AdditionalSenseCode == 0x29) { if (Controller->MonitoringTimerCount > 0) Controller->V1.DeviceResetCount[EventLogEntry->Channel] [EventLogEntry->TargetID]++; } else if (!(SenseKey == DAC960_SenseKey_NoSense || (SenseKey == DAC960_SenseKey_NotReady && AdditionalSenseCode == 0x04 && (AdditionalSenseCodeQualifier == 0x01 || AdditionalSenseCodeQualifier == 0x02)))) { DAC960_Critical("Physical Device %d:%d Error Log: " "Sense Key = %X, ASC = %02X, ASCQ = %02X\n", Controller, EventLogEntry->Channel, EventLogEntry->TargetID, SenseKey, AdditionalSenseCode, AdditionalSenseCodeQualifier); DAC960_Critical("Physical Device %d:%d Error Log: " "Information = %02X%02X%02X%02X " "%02X%02X%02X%02X\n", Controller, EventLogEntry->Channel, EventLogEntry->TargetID, EventLogEntry->Information[0], EventLogEntry->Information[1], EventLogEntry->Information[2], EventLogEntry->Information[3], EventLogEntry->CommandSpecificInformation[0], EventLogEntry->CommandSpecificInformation[1], EventLogEntry->CommandSpecificInformation[2], EventLogEntry->CommandSpecificInformation[3]); } } Controller->V1.OldEventLogSequenceNumber++; } else if (CommandOpcode == DAC960_V1_GetErrorTable) { DAC960_V1_ErrorTable_T *OldErrorTable = &Controller->V1.ErrorTable; DAC960_V1_ErrorTable_T *NewErrorTable = Controller->V1.NewErrorTable; int Channel, TargetID; for (Channel = 0; Channel < Controller->Channels; Channel++) for (TargetID = 0; TargetID < Controller->Targets; TargetID++) { DAC960_V1_ErrorTableEntry_T *NewErrorEntry = &NewErrorTable->ErrorTableEntries[Channel][TargetID]; DAC960_V1_ErrorTableEntry_T *OldErrorEntry = &OldErrorTable->ErrorTableEntries[Channel][TargetID]; if ((NewErrorEntry->ParityErrorCount != OldErrorEntry->ParityErrorCount) || (NewErrorEntry->SoftErrorCount != OldErrorEntry->SoftErrorCount) || (NewErrorEntry->HardErrorCount != OldErrorEntry->HardErrorCount) || (NewErrorEntry->MiscErrorCount != OldErrorEntry->MiscErrorCount)) DAC960_Critical("Physical Device %d:%d Errors: " "Parity = %d, Soft = %d, " "Hard = %d, Misc = %d\n", Controller, Channel, TargetID, NewErrorEntry->ParityErrorCount, NewErrorEntry->SoftErrorCount, NewErrorEntry->HardErrorCount, NewErrorEntry->MiscErrorCount); } memcpy(&Controller->V1.ErrorTable, Controller->V1.NewErrorTable, sizeof(DAC960_V1_ErrorTable_T)); } else if (CommandOpcode == DAC960_V1_GetDeviceState) { DAC960_V1_DeviceState_T *OldDeviceState = &Controller->V1.DeviceState[Controller->V1.DeviceStateChannel] [Controller->V1.DeviceStateTargetID]; DAC960_V1_DeviceState_T *NewDeviceState = Controller->V1.NewDeviceState; if (NewDeviceState->DeviceState != OldDeviceState->DeviceState) DAC960_Critical("Physical Device %d:%d is now %s\n", Controller, Controller->V1.DeviceStateChannel, Controller->V1.DeviceStateTargetID, (NewDeviceState->DeviceState == DAC960_V1_Device_Dead ? "DEAD" : NewDeviceState->DeviceState == DAC960_V1_Device_WriteOnly ? "WRITE-ONLY" : NewDeviceState->DeviceState == DAC960_V1_Device_Online ? "ONLINE" : "STANDBY")); if (OldDeviceState->DeviceState == DAC960_V1_Device_Dead && NewDeviceState->DeviceState != DAC960_V1_Device_Dead) { Controller->V1.NeedDeviceInquiryInformation = true; Controller->V1.NeedDeviceSerialNumberInformation = true; Controller->V1.DeviceResetCount [Controller->V1.DeviceStateChannel] [Controller->V1.DeviceStateTargetID] = 0; } memcpy(OldDeviceState, NewDeviceState, sizeof(DAC960_V1_DeviceState_T)); } else if (CommandOpcode == DAC960_V1_GetLogicalDriveInformation) { int LogicalDriveNumber; for (LogicalDriveNumber = 0; LogicalDriveNumber < Controller->LogicalDriveCount; LogicalDriveNumber++) { DAC960_V1_LogicalDriveInformation_T *OldLogicalDriveInformation = &Controller->V1.LogicalDriveInformation[LogicalDriveNumber]; DAC960_V1_LogicalDriveInformation_T *NewLogicalDriveInformation = &(*Controller->V1.NewLogicalDriveInformation)[LogicalDriveNumber]; if (NewLogicalDriveInformation->LogicalDriveState != OldLogicalDriveInformation->LogicalDriveState) DAC960_Critical("Logical Drive %d (/dev/rd/c%dd%d) " "is now %s\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber, (NewLogicalDriveInformation->LogicalDriveState == DAC960_V1_LogicalDrive_Online ? "ONLINE" : NewLogicalDriveInformation->LogicalDriveState == DAC960_V1_LogicalDrive_Critical ? "CRITICAL" : "OFFLINE")); if (NewLogicalDriveInformation->WriteBack != OldLogicalDriveInformation->WriteBack) DAC960_Critical("Logical Drive %d (/dev/rd/c%dd%d) " "is now %s\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber, (NewLogicalDriveInformation->WriteBack ? "WRITE BACK" : "WRITE THRU")); } memcpy(&Controller->V1.LogicalDriveInformation, Controller->V1.NewLogicalDriveInformation, sizeof(DAC960_V1_LogicalDriveInformationArray_T)); } else if (CommandOpcode == DAC960_V1_GetRebuildProgress) { unsigned int LogicalDriveNumber = Controller->V1.RebuildProgress->LogicalDriveNumber; unsigned int LogicalDriveSize = Controller->V1.RebuildProgress->LogicalDriveSize; unsigned int BlocksCompleted = LogicalDriveSize - Controller->V1.RebuildProgress->RemainingBlocks; if (CommandStatus == DAC960_V1_NoRebuildOrCheckInProgress && Controller->V1.LastRebuildStatus == DAC960_V1_NormalCompletion) CommandStatus = DAC960_V1_RebuildSuccessful; switch (CommandStatus) { case DAC960_V1_NormalCompletion: Controller->EphemeralProgressMessage = true; DAC960_Progress("Rebuild in Progress: " "Logical Drive %d (/dev/rd/c%dd%d) " "%d%% completed\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber, (100 * (BlocksCompleted >> 7)) / (LogicalDriveSize >> 7)); Controller->EphemeralProgressMessage = false; break; case DAC960_V1_RebuildFailed_LogicalDriveFailure: DAC960_Progress("Rebuild Failed due to " "Logical Drive Failure\n", Controller); break; case DAC960_V1_RebuildFailed_BadBlocksOnOther: DAC960_Progress("Rebuild Failed due to " "Bad Blocks on Other Drives\n", Controller); break; case DAC960_V1_RebuildFailed_NewDriveFailed: DAC960_Progress("Rebuild Failed due to " "Failure of Drive Being Rebuilt\n", Controller); break; case DAC960_V1_NoRebuildOrCheckInProgress: break; case DAC960_V1_RebuildSuccessful: DAC960_Progress("Rebuild Completed Successfully\n", Controller); break; case DAC960_V1_RebuildSuccessfullyTerminated: DAC960_Progress("Rebuild Successfully Terminated\n", Controller); break; } Controller->V1.LastRebuildStatus = CommandStatus; if (CommandType != DAC960_MonitoringCommand && Controller->V1.RebuildStatusPending) { Command->V1.CommandStatus = Controller->V1.PendingRebuildStatus; Controller->V1.RebuildStatusPending = false; } else if (CommandType == DAC960_MonitoringCommand && CommandStatus != DAC960_V1_NormalCompletion && CommandStatus != DAC960_V1_NoRebuildOrCheckInProgress) { Controller->V1.PendingRebuildStatus = CommandStatus; Controller->V1.RebuildStatusPending = true; } } else if (CommandOpcode == DAC960_V1_RebuildStat) { unsigned int LogicalDriveNumber = Controller->V1.RebuildProgress->LogicalDriveNumber; unsigned int LogicalDriveSize = Controller->V1.RebuildProgress->LogicalDriveSize; unsigned int BlocksCompleted = LogicalDriveSize - Controller->V1.RebuildProgress->RemainingBlocks; if (CommandStatus == DAC960_V1_NormalCompletion) { Controller->EphemeralProgressMessage = true; DAC960_Progress("Consistency Check in Progress: " "Logical Drive %d (/dev/rd/c%dd%d) " "%d%% completed\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber, (100 * (BlocksCompleted >> 7)) / (LogicalDriveSize >> 7)); Controller->EphemeralProgressMessage = false; } } else if (CommandOpcode == DAC960_V1_BackgroundInitializationControl) { unsigned int LogicalDriveNumber = Controller->V1.BackgroundInitializationStatus->LogicalDriveNumber; unsigned int LogicalDriveSize = Controller->V1.BackgroundInitializationStatus->LogicalDriveSize; unsigned int BlocksCompleted = Controller->V1.BackgroundInitializationStatus->BlocksCompleted; switch (CommandStatus) { case DAC960_V1_NormalCompletion: switch (Controller->V1.BackgroundInitializationStatus->Status) { case DAC960_V1_BackgroundInitializationInvalid: break; case DAC960_V1_BackgroundInitializationStarted: DAC960_Progress("Background Initialization Started\n", Controller); break; case DAC960_V1_BackgroundInitializationInProgress: if (BlocksCompleted == Controller->V1.LastBackgroundInitializationStatus. BlocksCompleted && LogicalDriveNumber == Controller->V1.LastBackgroundInitializationStatus. LogicalDriveNumber) break; Controller->EphemeralProgressMessage = true; DAC960_Progress("Background Initialization in Progress: " "Logical Drive %d (/dev/rd/c%dd%d) " "%d%% completed\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber, (100 * (BlocksCompleted >> 7)) / (LogicalDriveSize >> 7)); Controller->EphemeralProgressMessage = false; break; case DAC960_V1_BackgroundInitializationSuspended: DAC960_Progress("Background Initialization Suspended\n", Controller); break; case DAC960_V1_BackgroundInitializationCancelled: DAC960_Progress("Background Initialization Cancelled\n", Controller); break; } memcpy(&Controller->V1.LastBackgroundInitializationStatus, Controller->V1.BackgroundInitializationStatus, sizeof(DAC960_V1_BackgroundInitializationStatus_T)); break; case DAC960_V1_BackgroundInitSuccessful: if (Controller->V1.BackgroundInitializationStatus->Status == DAC960_V1_BackgroundInitializationInProgress) DAC960_Progress("Background Initialization " "Completed Successfully\n", Controller); Controller->V1.BackgroundInitializationStatus->Status = DAC960_V1_BackgroundInitializationInvalid; break; case DAC960_V1_BackgroundInitAborted: if (Controller->V1.BackgroundInitializationStatus->Status == DAC960_V1_BackgroundInitializationInProgress) DAC960_Progress("Background Initialization Aborted\n", Controller); Controller->V1.BackgroundInitializationStatus->Status = DAC960_V1_BackgroundInitializationInvalid; break; case DAC960_V1_NoBackgroundInitInProgress: break; } } else if (CommandOpcode == DAC960_V1_DCDB) { /* This is a bit ugly. The InquiryStandardData and the InquiryUntitSerialNumber information retrieval operations BOTH use the DAC960_V1_DCDB commands. the test above can't distinguish between these two cases. Instead, we rely on the order of code later in this function to ensure that DeviceInquiryInformation commands are submitted before DeviceSerialNumber commands. */ if (Controller->V1.NeedDeviceInquiryInformation) { DAC960_SCSI_Inquiry_T *InquiryStandardData = &Controller->V1.InquiryStandardData [Controller->V1.DeviceStateChannel] [Controller->V1.DeviceStateTargetID]; if (CommandStatus != DAC960_V1_NormalCompletion) { memset(InquiryStandardData, 0, sizeof(DAC960_SCSI_Inquiry_T)); InquiryStandardData->PeripheralDeviceType = 0x1F; } else memcpy(InquiryStandardData, Controller->V1.NewInquiryStandardData, sizeof(DAC960_SCSI_Inquiry_T)); Controller->V1.NeedDeviceInquiryInformation = false; } else if (Controller->V1.NeedDeviceSerialNumberInformation) { DAC960_SCSI_Inquiry_UnitSerialNumber_T *InquiryUnitSerialNumber = &Controller->V1.InquiryUnitSerialNumber [Controller->V1.DeviceStateChannel] [Controller->V1.DeviceStateTargetID]; if (CommandStatus != DAC960_V1_NormalCompletion) { memset(InquiryUnitSerialNumber, 0, sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T)); InquiryUnitSerialNumber->PeripheralDeviceType = 0x1F; } else memcpy(InquiryUnitSerialNumber, Controller->V1.NewInquiryUnitSerialNumber, sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T)); Controller->V1.NeedDeviceSerialNumberInformation = false; } } /* Begin submitting new monitoring commands. */ if (Controller->V1.NewEventLogSequenceNumber - Controller->V1.OldEventLogSequenceNumber > 0) { Command->V1.CommandMailbox.Type3E.CommandOpcode = DAC960_V1_PerformEventLogOperation; Command->V1.CommandMailbox.Type3E.OperationType = DAC960_V1_GetEventLogEntry; Command->V1.CommandMailbox.Type3E.OperationQualifier = 1; Command->V1.CommandMailbox.Type3E.SequenceNumber = Controller->V1.OldEventLogSequenceNumber; Command->V1.CommandMailbox.Type3E.BusAddress = Controller->V1.EventLogEntryDMA; DAC960_QueueCommand(Command); return; } if (Controller->V1.NeedErrorTableInformation) { Controller->V1.NeedErrorTableInformation = false; Command->V1.CommandMailbox.Type3.CommandOpcode = DAC960_V1_GetErrorTable; Command->V1.CommandMailbox.Type3.BusAddress = Controller->V1.NewErrorTableDMA; DAC960_QueueCommand(Command); return; } if (Controller->V1.NeedRebuildProgress && Controller->V1.RebuildProgressFirst) { Controller->V1.NeedRebuildProgress = false; Command->V1.CommandMailbox.Type3.CommandOpcode = DAC960_V1_GetRebuildProgress; Command->V1.CommandMailbox.Type3.BusAddress = Controller->V1.RebuildProgressDMA; DAC960_QueueCommand(Command); return; } if (Controller->V1.NeedDeviceStateInformation) { if (Controller->V1.NeedDeviceInquiryInformation) { DAC960_V1_DCDB_T *DCDB = Controller->V1.MonitoringDCDB; dma_addr_t DCDB_DMA = Controller->V1.MonitoringDCDB_DMA; dma_addr_t NewInquiryStandardDataDMA = Controller->V1.NewInquiryStandardDataDMA; Command->V1.CommandMailbox.Type3.CommandOpcode = DAC960_V1_DCDB; Command->V1.CommandMailbox.Type3.BusAddress = DCDB_DMA; DCDB->Channel = Controller->V1.DeviceStateChannel; DCDB->TargetID = Controller->V1.DeviceStateTargetID; DCDB->Direction = DAC960_V1_DCDB_DataTransferDeviceToSystem; DCDB->EarlyStatus = false; DCDB->Timeout = DAC960_V1_DCDB_Timeout_10_seconds; DCDB->NoAutomaticRequestSense = false; DCDB->DisconnectPermitted = true; DCDB->TransferLength = sizeof(DAC960_SCSI_Inquiry_T); DCDB->BusAddress = NewInquiryStandardDataDMA; DCDB->CDBLength = 6; DCDB->TransferLengthHigh4 = 0; DCDB->SenseLength = sizeof(DCDB->SenseData); DCDB->CDB[0] = 0x12; /* INQUIRY */ DCDB->CDB[1] = 0; /* EVPD = 0 */ DCDB->CDB[2] = 0; /* Page Code */ DCDB->CDB[3] = 0; /* Reserved */ DCDB->CDB[4] = sizeof(DAC960_SCSI_Inquiry_T); DCDB->CDB[5] = 0; /* Control */ DAC960_QueueCommand(Command); return; } if (Controller->V1.NeedDeviceSerialNumberInformation) { DAC960_V1_DCDB_T *DCDB = Controller->V1.MonitoringDCDB; dma_addr_t DCDB_DMA = Controller->V1.MonitoringDCDB_DMA; dma_addr_t NewInquiryUnitSerialNumberDMA = Controller->V1.NewInquiryUnitSerialNumberDMA; Command->V1.CommandMailbox.Type3.CommandOpcode = DAC960_V1_DCDB; Command->V1.CommandMailbox.Type3.BusAddress = DCDB_DMA; DCDB->Channel = Controller->V1.DeviceStateChannel; DCDB->TargetID = Controller->V1.DeviceStateTargetID; DCDB->Direction = DAC960_V1_DCDB_DataTransferDeviceToSystem; DCDB->EarlyStatus = false; DCDB->Timeout = DAC960_V1_DCDB_Timeout_10_seconds; DCDB->NoAutomaticRequestSense = false; DCDB->DisconnectPermitted = true; DCDB->TransferLength = sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T); DCDB->BusAddress = NewInquiryUnitSerialNumberDMA; DCDB->CDBLength = 6; DCDB->TransferLengthHigh4 = 0; DCDB->SenseLength = sizeof(DCDB->SenseData); DCDB->CDB[0] = 0x12; /* INQUIRY */ DCDB->CDB[1] = 1; /* EVPD = 1 */ DCDB->CDB[2] = 0x80; /* Page Code */ DCDB->CDB[3] = 0; /* Reserved */ DCDB->CDB[4] = sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T); DCDB->CDB[5] = 0; /* Control */ DAC960_QueueCommand(Command); return; } if (Controller->V1.StartDeviceStateScan) { Controller->V1.DeviceStateChannel = 0; Controller->V1.DeviceStateTargetID = 0; Controller->V1.StartDeviceStateScan = false; } else if (++Controller->V1.DeviceStateTargetID == Controller->Targets) { Controller->V1.DeviceStateChannel++; Controller->V1.DeviceStateTargetID = 0; } if (Controller->V1.DeviceStateChannel < Controller->Channels) { Controller->V1.NewDeviceState->DeviceState = DAC960_V1_Device_Dead; Command->V1.CommandMailbox.Type3D.CommandOpcode = DAC960_V1_GetDeviceState; Command->V1.CommandMailbox.Type3D.Channel = Controller->V1.DeviceStateChannel; Command->V1.CommandMailbox.Type3D.TargetID = Controller->V1.DeviceStateTargetID; Command->V1.CommandMailbox.Type3D.BusAddress = Controller->V1.NewDeviceStateDMA; DAC960_QueueCommand(Command); return; } Controller->V1.NeedDeviceStateInformation = false; } if (Controller->V1.NeedLogicalDriveInformation) { Controller->V1.NeedLogicalDriveInformation = false; Command->V1.CommandMailbox.Type3.CommandOpcode = DAC960_V1_GetLogicalDriveInformation; Command->V1.CommandMailbox.Type3.BusAddress = Controller->V1.NewLogicalDriveInformationDMA; DAC960_QueueCommand(Command); return; } if (Controller->V1.NeedRebuildProgress) { Controller->V1.NeedRebuildProgress = false; Command->V1.CommandMailbox.Type3.CommandOpcode = DAC960_V1_GetRebuildProgress; Command->V1.CommandMailbox.Type3.BusAddress = Controller->V1.RebuildProgressDMA; DAC960_QueueCommand(Command); return; } if (Controller->V1.NeedConsistencyCheckProgress) { Controller->V1.NeedConsistencyCheckProgress = false; Command->V1.CommandMailbox.Type3.CommandOpcode = DAC960_V1_RebuildStat; Command->V1.CommandMailbox.Type3.BusAddress = Controller->V1.RebuildProgressDMA; DAC960_QueueCommand(Command); return; } if (Controller->V1.NeedBackgroundInitializationStatus) { Controller->V1.NeedBackgroundInitializationStatus = false; Command->V1.CommandMailbox.Type3B.CommandOpcode = DAC960_V1_BackgroundInitializationControl; Command->V1.CommandMailbox.Type3B.CommandOpcode2 = 0x20; Command->V1.CommandMailbox.Type3B.BusAddress = Controller->V1.BackgroundInitializationStatusDMA; DAC960_QueueCommand(Command); return; } Controller->MonitoringTimerCount++; Controller->MonitoringTimer.expires = jiffies + DAC960_MonitoringTimerInterval; add_timer(&Controller->MonitoringTimer); } if (CommandType == DAC960_ImmediateCommand) { complete(Command->Completion); Command->Completion = NULL; return; } if (CommandType == DAC960_QueuedCommand) { DAC960_V1_KernelCommand_T *KernelCommand = Command->V1.KernelCommand; KernelCommand->CommandStatus = Command->V1.CommandStatus; Command->V1.KernelCommand = NULL; if (CommandOpcode == DAC960_V1_DCDB) Controller->V1.DirectCommandActive[KernelCommand->DCDB->Channel] [KernelCommand->DCDB->TargetID] = false; DAC960_DeallocateCommand(Command); KernelCommand->CompletionFunction(KernelCommand); return; } /* Queue a Status Monitoring Command to the Controller using the just completed Command if one was deferred previously due to lack of a free Command when the Monitoring Timer Function was called. */ if (Controller->MonitoringCommandDeferred) { Controller->MonitoringCommandDeferred = false; DAC960_V1_QueueMonitoringCommand(Command); return; } /* Deallocate the Command. */ DAC960_DeallocateCommand(Command); /* Wake up any processes waiting on a free Command. */ wake_up(&Controller->CommandWaitQueue); }

Contributors

PersonTokensPropCommitsCommitProp
alan coxalan cox244867.11%110.00%
pre-gitpre-git90624.84%330.00%
linus torvaldslinus torvalds1754.80%220.00%
andrew mortonandrew morton1123.07%110.00%
marcelo feitoza parisimarcelo feitoza parisi50.14%110.00%
tobias klausertobias klauser10.03%110.00%
richard knutssonrichard knutsson10.03%110.00%
Total3648100.00%10100.00%

/* DAC960_V2_ReadWriteError prints an appropriate error message for Command when an error occurs on a Read or Write operation. */
static void DAC960_V2_ReadWriteError(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; unsigned char *SenseErrors[] = { "NO SENSE", "RECOVERED ERROR", "NOT READY", "MEDIUM ERROR", "HARDWARE ERROR", "ILLEGAL REQUEST", "UNIT ATTENTION", "DATA PROTECT", "BLANK CHECK", "VENDOR-SPECIFIC", "COPY ABORTED", "ABORTED COMMAND", "EQUAL", "VOLUME OVERFLOW", "MISCOMPARE", "RESERVED" }; unsigned char *CommandName = "UNKNOWN"; switch (Command->CommandType) { case DAC960_ReadCommand: case DAC960_ReadRetryCommand: CommandName = "READ"; break; case DAC960_WriteCommand: case DAC960_WriteRetryCommand: CommandName = "WRITE"; break; case DAC960_MonitoringCommand: case DAC960_ImmediateCommand: case DAC960_QueuedCommand: break; } DAC960_Error("Error Condition %s on %s:\n", Controller, SenseErrors[Command->V2.RequestSense->SenseKey], CommandName); DAC960_Error(" /dev/rd/c%dd%d: absolute blocks %u..%u\n", Controller, Controller->ControllerNumber, Command->LogicalDriveNumber, Command->BlockNumber, Command->BlockNumber + Command->BlockCount - 1); }

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PersonTokensPropCommitsCommitProp
alan coxalan cox154100.00%1100.00%
Total154100.00%1100.00%

/* DAC960_V2_ReportEvent prints an appropriate message when a Controller Event occurs. */
static void DAC960_V2_ReportEvent(DAC960_Controller_T *Controller, DAC960_V2_Event_T *Event) { DAC960_SCSI_RequestSense_T *RequestSense = (DAC960_SCSI_RequestSense_T *) &Event->RequestSenseData; unsigned char MessageBuffer[DAC960_LineBufferSize]; static struct { int EventCode; unsigned char *EventMessage; } EventList[] = { /* Physical Device Events (0x0000 - 0x007F) */ { 0x0001, "P Online" }, { 0x0002, "P Standby" }, { 0x0005, "P Automatic Rebuild Started" }, { 0x0006, "P Manual Rebuild Started" }, { 0x0007, "P Rebuild Completed" }, { 0x0008, "P Rebuild Cancelled" }, { 0x0009, "P Rebuild Failed for Unknown Reasons" }, { 0x000A, "P Rebuild Failed due to New Physical Device" }, { 0x000B, "P Rebuild Failed due to Logical Drive Failure" }, { 0x000C, "S Offline" }, { 0x000D, "P Found" }, { 0x000E, "P Removed" }, { 0x000F, "P Unconfigured" }, { 0x0010, "P Expand Capacity Started" }, { 0x0011, "P Expand Capacity Completed" }, { 0x0012, "P Expand Capacity Failed" }, { 0x0013, "P Command Timed Out" }, { 0x0014, "P Command Aborted" }, { 0x0015, "P Command Retried" }, { 0x0016, "P Parity Error" }, { 0x0017, "P Soft Error" }, { 0x0018, "P Miscellaneous Error" }, { 0x0019, "P Reset" }, { 0x001A, "P Active Spare Found" }, { 0x001B, "P Warm Spare Found" }, { 0x001C, "S Sense Data Received" }, { 0x001D, "P Initialization Started" }, { 0x001E, "P Initialization Completed" }, { 0x001F, "P Initialization Failed" }, { 0x0020, "P Initialization Cancelled" }, { 0x0021, "P Failed because Write Recovery Failed" }, { 0x0022, "P Failed because SCSI Bus Reset Failed" }, { 0x0023, "P Failed because of Double Check Condition" }, { 0x0024, "P Failed because Device Cannot Be Accessed" }, { 0x0025, "P Failed because of Gross Error on SCSI Processor" }, { 0x0026, "P Failed because of Bad Tag from Device" }, { 0x0027, "P Failed because of Command Timeout" }, { 0x0028, "P Failed because of System Reset" }, { 0x0029, "P Failed because of Busy Status or Parity Error" }, { 0x002A, "P Failed because Host Set Device to Failed State" }, { 0x002B, "P Failed because of Selection Timeout" }, { 0x002C, "P Failed because of SCSI Bus Phase Error" }, { 0x002D, "P Failed because Device Returned Unknown Status" }, { 0x002E, "P Failed because Device Not Ready" }, { 0x002F, "P Failed because Device Not Found at Startup" }, { 0x0030, "P Failed because COD Write Operation Failed" }, { 0x0031, "P Failed because BDT Write Operation Failed" }, { 0x0039, "P Missing at Startup" }, { 0x003A, "P Start Rebuild Failed due to Physical Drive Too Small" }, { 0x003C, "P Temporarily Offline Device Automatically Made Online" }, { 0x003D, "P Standby Rebuild Started" }, /* Logical Device Events (0x0080 - 0x00FF) */ { 0x0080, "M Consistency Check Started" }, { 0x0081, "M Consistency Check Completed" }, { 0x0082, "M Consistency Check Cancelled" }, { 0x0083, "M Consistency Check Completed With Errors" }, { 0x0084, "M Consistency Check Failed due to Logical Drive Failure" }, { 0x0085, "M Consistency Check Failed due to Physical Device Failure" }, { 0x0086, "L Offline" }, { 0x0087, "L Critical" }, { 0x0088, "L Online" }, { 0x0089, "M Automatic Rebuild Started" }, { 0x008A, "M Manual Rebuild Started" }, { 0x008B, "M Rebuild Completed" }, { 0x008C, "M Rebuild Cancelled" }, { 0x008D, "M Rebuild Failed for Unknown Reasons" }, { 0x008E, "M Rebuild Failed due to New Physical Device" }, { 0x008F, "M Rebuild Failed due to Logical Drive Failure" }, { 0x0090, "M Initialization Started" }, { 0x0091, "M Initialization Completed" }, { 0x0092, "M Initialization Cancelled" }, { 0x0093, "M Initialization Failed" }, { 0x0094, "L Found" }, { 0x0095, "L Deleted" }, { 0x0096, "M Expand Capacity Started" }, { 0x0097, "M Expand Capacity Completed" }, { 0x0098, "M Expand Capacity Failed" }, { 0x0099, "L Bad Block Found" }, { 0x009A, "L Size Changed" }, { 0x009B, "L Type Changed" }, { 0x009C, "L Bad Data Block Found" }, { 0x009E, "L Read of Data Block in BDT" }, { 0x009F, "L Write Back Data for Disk Block Lost" }, { 0x00A0, "L Temporarily Offline RAID-5/3 Drive Made Online" }, { 0x00A1, "L Temporarily Offline RAID-6/1/0/7 Drive Made Online" }, { 0x00A2, "L Standby Rebuild Started" }, /* Fault Management Events (0x0100 - 0x017F) */ { 0x0140, "E Fan %d Failed" }, { 0x0141, "E Fan %d OK" }, { 0x0142, "E Fan %d Not Present" }, { 0x0143, "E Power Supply %d Failed" }, { 0x0144, "E Power Supply %d OK" }, { 0x0145, "E Power Supply %d Not Present" }, { 0x0146, "E Temperature Sensor %d Temperature Exceeds Safe Limit" }, { 0x0147, "E Temperature Sensor %d Temperature Exceeds Working Limit" }, { 0x0148, "E Temperature Sensor %d Temperature Normal" }, { 0x0149, "E Temperature Sensor %d Not Present" }, { 0x014A, "E Enclosure Management Unit %d Access Critical" }, { 0x014B, "E Enclosure Management Unit %d Access OK" }, { 0x014C, "E Enclosure Management Unit %d Access Offline" }, /* Controller Events (0x0180 - 0x01FF) */ { 0x0181, "C Cache Write Back Error" }, { 0x0188, "C Battery Backup Unit Found" }, { 0x0189, "C Battery Backup Unit Charge Level Low" }, { 0x018A, "C Battery Backup Unit Charge Level OK" }, { 0x0193, "C Installation Aborted" }, { 0x0195, "C Battery Backup Unit Physically Removed" }, { 0x0196, "C Memory Error During Warm Boot" }, { 0x019E, "C Memory Soft ECC Error Corrected" }, { 0x019F, "C Memory Hard ECC Error Corrected" }, { 0x01A2, "C Battery Backup Unit Failed" }, { 0x01AB, "C Mirror Race Recovery Failed" }, { 0x01AC, "C Mirror Race on Critical Drive" }, /* Controller Internal Processor Events */ { 0x0380, "C Internal Controller Hung" }, { 0x0381, "C Internal Controller Firmware Breakpoint" }, { 0x0390, "C Internal Controller i960 Processor Specific Error" }, { 0x03A0, "C Internal Controller StrongARM Processor Specific Error" }, { 0, "" } }; int EventListIndex = 0, EventCode; unsigned char EventType, *EventMessage; if (Event->EventCode == 0x1C && RequestSense->SenseKey == DAC960_SenseKey_VendorSpecific && (RequestSense->AdditionalSenseCode == 0x80 || RequestSense->AdditionalSenseCode == 0x81)) Event->EventCode = ((RequestSense->AdditionalSenseCode - 0x80) << 8) | RequestSense->AdditionalSenseCodeQualifier; while (true) { EventCode = EventList[EventListIndex].EventCode; if (EventCode == Event->EventCode || EventCode == 0) break; EventListIndex++; } EventType = EventList[EventListIndex].EventMessage[0]; EventMessage = &EventList[EventListIndex].EventMessage[2]; if (EventCode == 0) { DAC960_Critical("Unknown Controller Event Code %04X\n", Controller, Event->EventCode); return; } switch (EventType) { case 'P': DAC960_Critical("Physical Device %d:%d %s\n", Controller, Event->Channel, Event->TargetID, EventMessage); break; case 'L': DAC960_Critical("Logical Drive %d (/dev/rd/c%dd%d) %s\n", Controller, Event->LogicalUnit, Controller->ControllerNumber, Event->LogicalUnit, EventMessage); break; case 'M': DAC960_Progress("Logical Drive %d (/dev/rd/c%dd%d) %s\n", Controller, Event->LogicalUnit, Controller->ControllerNumber, Event->LogicalUnit, EventMessage); break; case 'S': if (RequestSense->SenseKey == DAC960_SenseKey_NoSense || (RequestSense->SenseKey == DAC960_SenseKey_NotReady && RequestSense->AdditionalSenseCode == 0x04 && (RequestSense->AdditionalSenseCodeQualifier == 0x01 || RequestSense->AdditionalSenseCodeQualifier == 0x02))) break; DAC960_Critical("Physical Device %d:%d %s\n", Controller, Event->Channel, Event->TargetID, EventMessage); DAC960_Critical("Physical Device %d:%d Request Sense: " "Sense Key = %X, ASC = %02X, ASCQ = %02X\n", Controller, Event->Channel, Event->TargetID, RequestSense->SenseKey, RequestSense->AdditionalSenseCode, RequestSense->AdditionalSenseCodeQualifier); DAC960_Critical("Physical Device %d:%d Request Sense: " "Information = %02X%02X%02X%02X " "%02X%02X%02X%02X\n", Controller, Event->Channel, Event->TargetID, RequestSense->Information[0], RequestSense->Information[1], RequestSense->Information[2], RequestSense->Information[3], RequestSense->CommandSpecificInformation[0], RequestSense->CommandSpecificInformation[1], RequestSense->CommandSpecificInformation[2], RequestSense->CommandSpecificInformation[3]); break; case 'E': if (Controller->SuppressEnclosureMessages) break; sprintf(MessageBuffer, EventMessage, Event->LogicalUnit); DAC960_Critical("Enclosure %d %s\n", Controller, Event->TargetID, MessageBuffer); break; case 'C': DAC960_Critical("Controller %s\n", Controller, EventMessage); break; default: DAC960_Critical("Unknown Controller Event Code %04X\n", Controller, Event->EventCode); break; } }

Contributors

PersonTokensPropCommitsCommitProp
pre-gitpre-git68057.58%233.33%
alan coxalan cox40434.21%116.67%
linus torvaldslinus torvalds958.04%116.67%
al viroal viro20.17%233.33%
Total1181100.00%6100.00%

/* DAC960_V2_ReportProgress prints an appropriate progress message for Logical Device Long Operations. */
static void DAC960_V2_ReportProgress(DAC960_Controller_T *Controller, unsigned char *MessageString, unsigned int LogicalDeviceNumber, unsigned long BlocksCompleted, unsigned long LogicalDeviceSize) { Controller->EphemeralProgressMessage = true; DAC960_Progress("%s in Progress: Logical Drive %d (/dev/rd/c%dd%d) " "%d%% completed\n", Controller, MessageString, LogicalDeviceNumber, Controller->ControllerNumber, LogicalDeviceNumber, (100 * (BlocksCompleted >> 7)) / (LogicalDeviceSize >> 7)); Controller->EphemeralProgressMessage = false; }

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PersonTokensPropCommitsCommitProp
alan coxalan cox6893.15%150.00%
pre-gitpre-git56.85%150.00%
Total73100.00%2100.00%

/* DAC960_V2_ProcessCompletedCommand performs completion processing for Command for DAC960 V2 Firmware Controllers. */
static void DAC960_V2_ProcessCompletedCommand(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; DAC960_CommandType_T CommandType = Command->CommandType; DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox; DAC960_V2_IOCTL_Opcode_T IOCTLOpcode = CommandMailbox->Common.IOCTL_Opcode; DAC960_V2_CommandOpcode_T CommandOpcode = CommandMailbox->SCSI_10.CommandOpcode; DAC960_V2_CommandStatus_T CommandStatus = Command->V2.CommandStatus; if (CommandType == DAC960_ReadCommand || CommandType == DAC960_WriteCommand) { #ifdef FORCE_RETRY_DEBUG CommandStatus = DAC960_V2_AbormalCompletion; #endif Command->V2.RequestSense->SenseKey = DAC960_SenseKey_MediumError; if (CommandStatus == DAC960_V2_NormalCompletion) { if (!DAC960_ProcessCompletedRequest(Command, true)) BUG(); } else if (Command->V2.RequestSense->SenseKey == DAC960_SenseKey_MediumError) { /* * break the command down into pieces and resubmit each * piece, hoping that some of them will succeed. */ DAC960_queue_partial_rw(Command); return; } else { if (Command->V2.RequestSense->SenseKey != DAC960_SenseKey_NotReady) DAC960_V2_ReadWriteError(Command); /* Perform completion processing for all buffers in this I/O Request. */ (void)DAC960_ProcessCompletedRequest(Command, false); } } else if (CommandType == DAC960_ReadRetryCommand || CommandType == DAC960_WriteRetryCommand) { bool normal_completion; #ifdef FORCE_RETRY_FAILURE_DEBUG static int retry_count = 1; #endif /* Perform completion processing for the portion that was retried, and submit the next portion, if any. */ normal_completion = true; if (CommandStatus != DAC960_V2_NormalCompletion) { normal_completion = false; if (Command->V2.RequestSense->SenseKey != DAC960_SenseKey_NotReady) DAC960_V2_ReadWriteError(Command); } #ifdef FORCE_RETRY_FAILURE_DEBUG if (!(++retry_count % 10000)) { printk("V2 error retry failure test\n"); normal_completion = false; DAC960_V2_ReadWriteError(Command); } #endif if (!DAC960_ProcessCompletedRequest(Command, normal_completion)) { DAC960_queue_partial_rw(Command); return; } } else if (CommandType == DAC960_MonitoringCommand) { if (Controller->ShutdownMonitoringTimer) return; if (IOCTLOpcode == DAC960_V2_GetControllerInfo) { DAC960_V2_ControllerInfo_T *NewControllerInfo = Controller->V2.NewControllerInformation; DAC960_V2_ControllerInfo_T *ControllerInfo = &Controller->V2.ControllerInformation; Controller->LogicalDriveCount = NewControllerInfo->LogicalDevicesPresent; Controller->V2.NeedLogicalDeviceInformation = true; Controller->V2.NeedPhysicalDeviceInformation = true; Controller->V2.StartLogicalDeviceInformationScan = true; Controller->V2.StartPhysicalDeviceInformationScan = true; Controller->MonitoringAlertMode = (NewControllerInfo->LogicalDevicesCritical > 0 || NewControllerInfo->LogicalDevicesOffline > 0 || NewControllerInfo->PhysicalDisksCritical > 0 || NewControllerInfo->PhysicalDisksOffline > 0); memcpy(ControllerInfo, NewControllerInfo, sizeof(DAC960_V2_ControllerInfo_T)); } else if (IOCTLOpcode == DAC960_V2_GetEvent) { if (CommandStatus == DAC960_V2_NormalCompletion) { DAC960_V2_ReportEvent(Controller, Controller->V2.Event); } Controller->V2.NextEventSequenceNumber++; } else if (IOCTLOpcode == DAC960_V2_GetPhysicalDeviceInfoValid && CommandStatus == DAC960_V2_NormalCompletion) { DAC960_V2_PhysicalDeviceInfo_T *NewPhysicalDeviceInfo = Controller->V2.NewPhysicalDeviceInformation; unsigned int PhysicalDeviceIndex = Controller->V2.PhysicalDeviceIndex; DAC960_V2_PhysicalDeviceInfo_T *PhysicalDeviceInfo = Controller->V2.PhysicalDeviceInformation[PhysicalDeviceIndex]; DAC960_SCSI_Inquiry_UnitSerialNumber_T *InquiryUnitSerialNumber = Controller->V2.InquiryUnitSerialNumber[PhysicalDeviceIndex]; unsigned int DeviceIndex; while (PhysicalDeviceInfo != NULL && (NewPhysicalDeviceInfo->Channel > PhysicalDeviceInfo->Channel || (NewPhysicalDeviceInfo->Channel == PhysicalDeviceInfo->Channel && (NewPhysicalDeviceInfo->TargetID > PhysicalDeviceInfo->TargetID || (NewPhysicalDeviceInfo->TargetID == PhysicalDeviceInfo->TargetID && NewPhysicalDeviceInfo->LogicalUnit > PhysicalDeviceInfo->LogicalUnit))))) { DAC960_Critical("Physical Device %d:%d No Longer Exists\n", Controller, PhysicalDeviceInfo->Channel, PhysicalDeviceInfo->TargetID); Controller->V2.PhysicalDeviceInformation [PhysicalDeviceIndex] = NULL; Controller->V2.InquiryUnitSerialNumber [PhysicalDeviceIndex] = NULL; kfree(PhysicalDeviceInfo); kfree(InquiryUnitSerialNumber); for (DeviceIndex = PhysicalDeviceIndex; DeviceIndex < DAC960_V2_MaxPhysicalDevices - 1; DeviceIndex++) { Controller->V2.PhysicalDeviceInformation[DeviceIndex] = Controller->V2.PhysicalDeviceInformation[DeviceIndex+1]; Controller->V2.InquiryUnitSerialNumber[DeviceIndex] = Controller->V2.InquiryUnitSerialNumber[DeviceIndex+1]; } Controller->V2.PhysicalDeviceInformation [DAC960_V2_MaxPhysicalDevices-1] = NULL; Controller->V2.InquiryUnitSerialNumber [DAC960_V2_MaxPhysicalDevices-1] = NULL; PhysicalDeviceInfo = Controller->V2.PhysicalDeviceInformation[PhysicalDeviceIndex]; InquiryUnitSerialNumber = Controller->V2.InquiryUnitSerialNumber[PhysicalDeviceIndex]; } if (PhysicalDeviceInfo == NULL || (NewPhysicalDeviceInfo->Channel != PhysicalDeviceInfo->Channel) || (NewPhysicalDeviceInfo->TargetID != PhysicalDeviceInfo->TargetID) || (NewPhysicalDeviceInfo->LogicalUnit != PhysicalDeviceInfo->LogicalUnit)) { PhysicalDeviceInfo = kmalloc(sizeof(DAC960_V2_PhysicalDeviceInfo_T), GFP_ATOMIC); InquiryUnitSerialNumber = kmalloc(sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T), GFP_ATOMIC); if (InquiryUnitSerialNumber == NULL || PhysicalDeviceInfo == NULL) { kfree(InquiryUnitSerialNumber); InquiryUnitSerialNumber = NULL; kfree(PhysicalDeviceInfo); PhysicalDeviceInfo = NULL; } DAC960_Critical("Physical Device %d:%d Now Exists%s\n", Controller, NewPhysicalDeviceInfo->Channel, NewPhysicalDeviceInfo->TargetID, (PhysicalDeviceInfo != NULL ? "" : " - Allocation Failed")); if (PhysicalDeviceInfo != NULL) { memset(PhysicalDeviceInfo, 0, sizeof(DAC960_V2_PhysicalDeviceInfo_T)); PhysicalDeviceInfo->PhysicalDeviceState = DAC960_V2_Device_InvalidState; memset(InquiryUnitSerialNumber, 0, sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T)); InquiryUnitSerialNumber->PeripheralDeviceType = 0x1F; for (DeviceIndex = DAC960_V2_MaxPhysicalDevices - 1; DeviceIndex > PhysicalDeviceIndex; DeviceIndex--) { Controller->V2.PhysicalDeviceInformation[DeviceIndex] = Controller->V2.PhysicalDeviceInformation[DeviceIndex-1]; Controller->V2.InquiryUnitSerialNumber[DeviceIndex] = Controller->V2.InquiryUnitSerialNumber[DeviceIndex-1]; } Controller->V2.PhysicalDeviceInformation [PhysicalDeviceIndex] = PhysicalDeviceInfo; Controller->V2.InquiryUnitSerialNumber [PhysicalDeviceIndex] = InquiryUnitSerialNumber; Controller->V2.NeedDeviceSerialNumberInformation = true; } } if (PhysicalDeviceInfo != NULL) { if (NewPhysicalDeviceInfo->PhysicalDeviceState != PhysicalDeviceInfo->PhysicalDeviceState) DAC960_Critical( "Physical Device %d:%d is now %s\n", Controller, NewPhysicalDeviceInfo->Channel, NewPhysicalDeviceInfo->TargetID, (NewPhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Online ? "ONLINE" : NewPhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Rebuild ? "REBUILD" : NewPhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Missing ? "MISSING" : NewPhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Critical ? "CRITICAL" : NewPhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Dead ? "DEAD" : NewPhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_SuspectedDead ? "SUSPECTED-DEAD" : NewPhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_CommandedOffline ? "COMMANDED-OFFLINE" : NewPhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Standby ? "STANDBY" : "UNKNOWN")); if ((NewPhysicalDeviceInfo->ParityErrors != PhysicalDeviceInfo->ParityErrors) || (NewPhysicalDeviceInfo->SoftErrors != PhysicalDeviceInfo->SoftErrors) || (NewPhysicalDeviceInfo->HardErrors != PhysicalDeviceInfo->HardErrors) || (NewPhysicalDeviceInfo->MiscellaneousErrors != PhysicalDeviceInfo->MiscellaneousErrors) || (NewPhysicalDeviceInfo->CommandTimeouts != PhysicalDeviceInfo->CommandTimeouts) || (NewPhysicalDeviceInfo->Retries != PhysicalDeviceInfo->Retries) || (NewPhysicalDeviceInfo->Aborts != PhysicalDeviceInfo->Aborts) || (NewPhysicalDeviceInfo->PredictedFailuresDetected != PhysicalDeviceInfo->PredictedFailuresDetected)) { DAC960_Critical("Physical Device %d:%d Errors: " "Parity = %d, Soft = %d, " "Hard = %d, Misc = %d\n", Controller, NewPhysicalDeviceInfo->Channel, NewPhysicalDeviceInfo->TargetID, NewPhysicalDeviceInfo->ParityErrors, NewPhysicalDeviceInfo->SoftErrors, NewPhysicalDeviceInfo->HardErrors, NewPhysicalDeviceInfo->MiscellaneousErrors); DAC960_Critical("Physical Device %d:%d Errors: " "Timeouts = %d, Retries = %d, " "Aborts = %d, Predicted = %d\n", Controller, NewPhysicalDeviceInfo->Channel, NewPhysicalDeviceInfo->TargetID, NewPhysicalDeviceInfo->CommandTimeouts, NewPhysicalDeviceInfo->Retries, NewPhysicalDeviceInfo->Aborts, NewPhysicalDeviceInfo ->PredictedFailuresDetected); } if ((PhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_Dead || PhysicalDeviceInfo->PhysicalDeviceState == DAC960_V2_Device_InvalidState) && NewPhysicalDeviceInfo->PhysicalDeviceState != DAC960_V2_Device_Dead) Controller->V2.NeedDeviceSerialNumberInformation = true; memcpy(PhysicalDeviceInfo, NewPhysicalDeviceInfo, sizeof(DAC960_V2_PhysicalDeviceInfo_T)); } NewPhysicalDeviceInfo->LogicalUnit++; Controller->V2.PhysicalDeviceIndex++; } else if (IOCTLOpcode == DAC960_V2_GetPhysicalDeviceInfoValid) { unsigned int DeviceIndex; for (DeviceIndex = Controller->V2.PhysicalDeviceIndex; DeviceIndex < DAC960_V2_MaxPhysicalDevices; DeviceIndex++) { DAC960_V2_PhysicalDeviceInfo_T *PhysicalDeviceInfo = Controller->V2.PhysicalDeviceInformation[DeviceIndex]; DAC960_SCSI_Inquiry_UnitSerialNumber_T *InquiryUnitSerialNumber = Controller->V2.InquiryUnitSerialNumber[DeviceIndex]; if (PhysicalDeviceInfo == NULL) break; DAC960_Critical("Physical Device %d:%d No Longer Exists\n", Controller, PhysicalDeviceInfo->Channel, PhysicalDeviceInfo->TargetID); Controller->V2.PhysicalDeviceInformation[DeviceIndex] = NULL; Controller->V2.InquiryUnitSerialNumber[DeviceIndex] = NULL; kfree(PhysicalDeviceInfo); kfree(InquiryUnitSerialNumber); } Controller->V2.NeedPhysicalDeviceInformation = false; } else if (IOCTLOpcode == DAC960_V2_GetLogicalDeviceInfoValid && CommandStatus == DAC960_V2_NormalCompletion) { DAC960_V2_LogicalDeviceInfo_T *NewLogicalDeviceInfo = Controller->V2.NewLogicalDeviceInformation; unsigned short LogicalDeviceNumber = NewLogicalDeviceInfo->LogicalDeviceNumber; DAC960_V2_LogicalDeviceInfo_T *LogicalDeviceInfo = Controller->V2.LogicalDeviceInformation[LogicalDeviceNumber]; if (LogicalDeviceInfo == NULL) { DAC960_V2_PhysicalDevice_T PhysicalDevice; PhysicalDevice.Controller = 0; PhysicalDevice.Channel = NewLogicalDeviceInfo->Channel; PhysicalDevice.TargetID = NewLogicalDeviceInfo->TargetID; PhysicalDevice.LogicalUnit = NewLogicalDeviceInfo->LogicalUnit; Controller->V2.LogicalDriveToVirtualDevice[LogicalDeviceNumber] = PhysicalDevice; LogicalDeviceInfo = kmalloc(sizeof(DAC960_V2_LogicalDeviceInfo_T), GFP_ATOMIC); Controller->V2.LogicalDeviceInformation[LogicalDeviceNumber] = LogicalDeviceInfo; DAC960_Critical("Logical Drive %d (/dev/rd/c%dd%d) " "Now Exists%s\n", Controller, LogicalDeviceNumber, Controller->ControllerNumber, LogicalDeviceNumber, (LogicalDeviceInfo != NULL ? "" : " - Allocation Failed")); if (LogicalDeviceInfo != NULL) { memset(LogicalDeviceInfo, 0, sizeof(DAC960_V2_LogicalDeviceInfo_T)); DAC960_ComputeGenericDiskInfo(Controller); } } if (LogicalDeviceInfo != NULL) { unsigned long LogicalDeviceSize = NewLogicalDeviceInfo->ConfigurableDeviceSize; if (NewLogicalDeviceInfo->LogicalDeviceState != LogicalDeviceInfo->LogicalDeviceState) DAC960_Critical("Logical Drive %d (/dev/rd/c%dd%d) " "is now %s\n", Controller, LogicalDeviceNumber, Controller->ControllerNumber, LogicalDeviceNumber, (NewLogicalDeviceInfo->LogicalDeviceState == DAC960_V2_LogicalDevice_Online ? "ONLINE" : NewLogicalDeviceInfo->LogicalDeviceState == DAC960_V2_LogicalDevice_Critical ? "CRITICAL" : "OFFLINE")); if ((NewLogicalDeviceInfo->SoftErrors != LogicalDeviceInfo->SoftErrors) || (NewLogicalDeviceInfo->CommandsFailed != LogicalDeviceInfo->CommandsFailed) || (NewLogicalDeviceInfo->DeferredWriteErrors != LogicalDeviceInfo->DeferredWriteErrors)) DAC960_Critical("Logical Drive %d (/dev/rd/c%dd%d) Errors: " "Soft = %d, Failed = %d, Deferred Write = %d\n", Controller, LogicalDeviceNumber, Controller->ControllerNumber, LogicalDeviceNumber, NewLogicalDeviceInfo->SoftErrors, NewLogicalDeviceInfo->CommandsFailed, NewLogicalDeviceInfo->DeferredWriteErrors); if (NewLogicalDeviceInfo->ConsistencyCheckInProgress) DAC960_V2_ReportProgress(Controller, "Consistency Check", LogicalDeviceNumber, NewLogicalDeviceInfo ->ConsistencyCheckBlockNumber, LogicalDeviceSize); else if (NewLogicalDeviceInfo->RebuildInProgress) DAC960_V2_ReportProgress(Controller, "Rebuild", LogicalDeviceNumber, NewLogicalDeviceInfo ->RebuildBlockNumber, LogicalDeviceSize); else if (NewLogicalDeviceInfo->BackgroundInitializationInProgress) DAC960_V2_ReportProgress(Controller, "Background Initialization", LogicalDeviceNumber, NewLogicalDeviceInfo ->BackgroundInitializationBlockNumber, LogicalDeviceSize); else if (NewLogicalDeviceInfo->ForegroundInitializationInProgress) DAC960_V2_ReportProgress(Controller, "Foreground Initialization", LogicalDeviceNumber, NewLogicalDeviceInfo ->ForegroundInitializationBlockNumber, LogicalDeviceSize); else if (NewLogicalDeviceInfo->DataMigrationInProgress) DAC960_V2_ReportProgress(Controller, "Data Migration", LogicalDeviceNumber, NewLogicalDeviceInfo ->DataMigrationBlockNumber, LogicalDeviceSize); else if (NewLogicalDeviceInfo->PatrolOperationInProgress) DAC960_V2_ReportProgress(Controller, "Patrol Operation", LogicalDeviceNumber, NewLogicalDeviceInfo ->PatrolOperationBlockNumber, LogicalDeviceSize); if (LogicalDeviceInfo->BackgroundInitializationInProgress && !NewLogicalDeviceInfo->BackgroundInitializationInProgress) DAC960_Progress("Logical Drive %d (/dev/rd/c%dd%d) " "Background Initialization %s\n", Controller, LogicalDeviceNumber, Controller->ControllerNumber, LogicalDeviceNumber, (NewLogicalDeviceInfo->LogicalDeviceControl .LogicalDeviceInitialized ? "Completed" : "Failed")); memcpy(LogicalDeviceInfo, NewLogicalDeviceInfo, sizeof(DAC960_V2_LogicalDeviceInfo_T)); } Controller->V2.LogicalDriveFoundDuringScan [LogicalDeviceNumber] = true; NewLogicalDeviceInfo->LogicalDeviceNumber++; } else if (IOCTLOpcode == DAC960_V2_GetLogicalDeviceInfoValid) { int LogicalDriveNumber; for (LogicalDriveNumber = 0; LogicalDriveNumber < DAC960_MaxLogicalDrives; LogicalDriveNumber++) { DAC960_V2_LogicalDeviceInfo_T *LogicalDeviceInfo = Controller->V2.LogicalDeviceInformation[LogicalDriveNumber]; if (LogicalDeviceInfo == NULL || Controller->V2.LogicalDriveFoundDuringScan [LogicalDriveNumber]) continue; DAC960_Critical("Logical Drive %d (/dev/rd/c%dd%d) " "No Longer Exists\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber); Controller->V2.LogicalDeviceInformation [LogicalDriveNumber] = NULL; kfree(LogicalDeviceInfo); Controller->LogicalDriveInitiallyAccessible [LogicalDriveNumber] = false; DAC960_ComputeGenericDiskInfo(Controller); } Controller->V2.NeedLogicalDeviceInformation = false; } else if (CommandOpcode == DAC960_V2_SCSI_10_Passthru) { DAC960_SCSI_Inquiry_UnitSerialNumber_T *InquiryUnitSerialNumber = Controller->V2.InquiryUnitSerialNumber[Controller->V2.PhysicalDeviceIndex - 1]; if (CommandStatus != DAC960_V2_NormalCompletion) { memset(InquiryUnitSerialNumber, 0, sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T)); InquiryUnitSerialNumber->PeripheralDeviceType = 0x1F; } else memcpy(InquiryUnitSerialNumber, Controller->V2.NewInquiryUnitSerialNumber, sizeof(DAC960_SCSI_Inquiry_UnitSerialNumber_T)); Controller->V2.NeedDeviceSerialNumberInformation = false; } if (Controller->V2.HealthStatusBuffer->NextEventSequenceNumber - Controller->V2.NextEventSequenceNumber > 0) { CommandMailbox->GetEvent.CommandOpcode = DAC960_V2_IOCTL; CommandMailbox->GetEvent.DataTransferSize = sizeof(DAC960_V2_Event_T); CommandMailbox->GetEvent.EventSequenceNumberHigh16 = Controller->V2.NextEventSequenceNumber >> 16; CommandMailbox->GetEvent.ControllerNumber = 0; CommandMailbox->GetEvent.IOCTL_Opcode = DAC960_V2_GetEvent; CommandMailbox->GetEvent.EventSequenceNumberLow16 = Controller->V2.NextEventSequenceNumber & 0xFFFF; CommandMailbox->GetEvent.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentDataPointer = Controller->V2.EventDMA; CommandMailbox->GetEvent.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentByteCount = CommandMailbox->GetEvent.DataTransferSize; DAC960_QueueCommand(Command); return; } if (Controller->V2.NeedPhysicalDeviceInformation) { if (Controller->V2.NeedDeviceSerialNumberInformation) { DAC960_SCSI_Inquiry_UnitSerialNumber_T *InquiryUnitSerialNumber = Controller->V2.NewInquiryUnitSerialNumber; InquiryUnitSerialNumber->PeripheralDeviceType = 0x1F; DAC960_V2_ConstructNewUnitSerialNumber(Controller, CommandMailbox, Controller->V2.NewPhysicalDeviceInformation->Channel, Controller->V2.NewPhysicalDeviceInformation->TargetID, Controller->V2.NewPhysicalDeviceInformation->LogicalUnit - 1); DAC960_QueueCommand(Command); return; } if (Controller->V2.StartPhysicalDeviceInformationScan) { Controller->V2.PhysicalDeviceIndex = 0; Controller->V2.NewPhysicalDeviceInformation->Channel = 0; Controller->V2.NewPhysicalDeviceInformation->TargetID = 0; Controller->V2.NewPhysicalDeviceInformation->LogicalUnit = 0; Controller->V2.StartPhysicalDeviceInformationScan = false; } CommandMailbox->PhysicalDeviceInfo.CommandOpcode = DAC960_V2_IOCTL; CommandMailbox->PhysicalDeviceInfo.DataTransferSize = sizeof(DAC960_V2_PhysicalDeviceInfo_T); CommandMailbox->PhysicalDeviceInfo.PhysicalDevice.LogicalUnit = Controller->V2.NewPhysicalDeviceInformation->LogicalUnit; CommandMailbox->PhysicalDeviceInfo.PhysicalDevice.TargetID = Controller->V2.NewPhysicalDeviceInformation->TargetID; CommandMailbox->PhysicalDeviceInfo.PhysicalDevice.Channel = Controller->V2.NewPhysicalDeviceInformation->Channel; CommandMailbox->PhysicalDeviceInfo.IOCTL_Opcode = DAC960_V2_GetPhysicalDeviceInfoValid; CommandMailbox->PhysicalDeviceInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentDataPointer = Controller->V2.NewPhysicalDeviceInformationDMA; CommandMailbox->PhysicalDeviceInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentByteCount = CommandMailbox->PhysicalDeviceInfo.DataTransferSize; DAC960_QueueCommand(Command); return; } if (Controller->V2.NeedLogicalDeviceInformation) { if (Controller->V2.StartLogicalDeviceInformationScan) { int LogicalDriveNumber; for (LogicalDriveNumber = 0; LogicalDriveNumber < DAC960_MaxLogicalDrives; LogicalDriveNumber++) Controller->V2.LogicalDriveFoundDuringScan [LogicalDriveNumber] = false; Controller->V2.NewLogicalDeviceInformation->LogicalDeviceNumber = 0; Controller->V2.StartLogicalDeviceInformationScan = false; } CommandMailbox->LogicalDeviceInfo.CommandOpcode = DAC960_V2_IOCTL; CommandMailbox->LogicalDeviceInfo.DataTransferSize = sizeof(DAC960_V2_LogicalDeviceInfo_T); CommandMailbox->LogicalDeviceInfo.LogicalDevice.LogicalDeviceNumber = Controller->V2.NewLogicalDeviceInformation->LogicalDeviceNumber; CommandMailbox->LogicalDeviceInfo.IOCTL_Opcode = DAC960_V2_GetLogicalDeviceInfoValid; CommandMailbox->LogicalDeviceInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentDataPointer = Controller->V2.NewLogicalDeviceInformationDMA; CommandMailbox->LogicalDeviceInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentByteCount = CommandMailbox->LogicalDeviceInfo.DataTransferSize; DAC960_QueueCommand(Command); return; } Controller->MonitoringTimerCount++; Controller->MonitoringTimer.expires = jiffies + DAC960_HealthStatusMonitoringInterval; add_timer(&Controller->MonitoringTimer); } if (CommandType == DAC960_ImmediateCommand) { complete(Command->Completion); Command->Completion = NULL; return; } if (CommandType == DAC960_QueuedCommand) { DAC960_V2_KernelCommand_T *KernelCommand = Command->V2.KernelCommand; KernelCommand->CommandStatus = CommandStatus; KernelCommand->RequestSenseLength = Command->V2.RequestSenseLength; KernelCommand->DataTransferLength = Command->V2.DataTransferResidue; Command->V2.KernelCommand = NULL; DAC960_DeallocateCommand(Command); KernelCommand->CompletionFunction(KernelCommand); return; } /* Queue a Status Monitoring Command to the Controller using the just completed Command if one was deferred previously due to lack of a free Command when the Monitoring Timer Function was called. */ if (Controller->MonitoringCommandDeferred) { Controller->MonitoringCommandDeferred = false; DAC960_V2_QueueMonitoringCommand(Command); return; } /* Deallocate the Command. */ DAC960_DeallocateCommand(Command); /* Wake up any processes waiting on a free Command. */ wake_up(&Controller->CommandWaitQueue); }

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PersonTokensPropCommitsCommitProp
alan coxalan cox127146.42%111.11%
pre-gitpre-git81329.69%111.11%
andrew mortonandrew morton45216.51%222.22%
linus torvaldslinus torvalds1746.36%222.22%
danny kukawkadanny kukawka160.58%111.11%
jesper juhljesper juhl110.40%111.11%
richard knutssonrichard knutsson10.04%111.11%
Total2738100.00%9100.00%

/* DAC960_GEM_InterruptHandler handles hardware interrupts from DAC960 GEM Series Controllers. */
static irqreturn_t DAC960_GEM_InterruptHandler(int IRQ_Channel, void *DeviceIdentifier) { DAC960_Controller_T *Controller = DeviceIdentifier; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V2_StatusMailbox_T *NextStatusMailbox; unsigned long flags; spin_lock_irqsave(&Controller->queue_lock, flags); DAC960_GEM_AcknowledgeInterrupt(ControllerBaseAddress); NextStatusMailbox = Controller->V2.NextStatusMailbox; while (NextStatusMailbox->Fields.CommandIdentifier > 0) { DAC960_V2_CommandIdentifier_T CommandIdentifier = NextStatusMailbox->Fields.CommandIdentifier; DAC960_Command_T *Command = Controller->Commands[CommandIdentifier-1]; Command->V2.CommandStatus = NextStatusMailbox->Fields.CommandStatus; Command->V2.RequestSenseLength = NextStatusMailbox->Fields.RequestSenseLength; Command->V2.DataTransferResidue = NextStatusMailbox->Fields.DataTransferResidue; NextStatusMailbox->Words[0] = 0; if (++NextStatusMailbox > Controller->V2.LastStatusMailbox) NextStatusMailbox = Controller->V2.FirstStatusMailbox; DAC960_V2_ProcessCompletedCommand(Command); } Controller->V2.NextStatusMailbox = NextStatusMailbox; /* Attempt to remove additional I/O Requests from the Controller's I/O Request Queue and queue them to the Controller. */ DAC960_ProcessRequest(Controller); spin_unlock_irqrestore(&Controller->queue_lock, flags); return IRQ_HANDLED; }

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christoph hellwigchristoph hellwig189100.00%1100.00%
Total189100.00%1100.00%

/* DAC960_BA_InterruptHandler handles hardware interrupts from DAC960 BA Series Controllers. */
static irqreturn_t DAC960_BA_InterruptHandler(int IRQ_Channel, void *DeviceIdentifier) { DAC960_Controller_T *Controller = DeviceIdentifier; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V2_StatusMailbox_T *NextStatusMailbox; unsigned long flags; spin_lock_irqsave(&Controller->queue_lock, flags); DAC960_BA_AcknowledgeInterrupt(ControllerBaseAddress); NextStatusMailbox = Controller->V2.NextStatusMailbox; while (NextStatusMailbox->Fields.CommandIdentifier > 0) { DAC960_V2_CommandIdentifier_T CommandIdentifier = NextStatusMailbox->Fields.CommandIdentifier; DAC960_Command_T *Command = Controller->Commands[CommandIdentifier-1]; Command->V2.CommandStatus = NextStatusMailbox->Fields.CommandStatus; Command->V2.RequestSenseLength = NextStatusMailbox->Fields.RequestSenseLength; Command->V2.DataTransferResidue = NextStatusMailbox->Fields.DataTransferResidue; NextStatusMailbox->Words[0] = 0; if (++NextStatusMailbox > Controller->V2.LastStatusMailbox) NextStatusMailbox = Controller->V2.FirstStatusMailbox; DAC960_V2_ProcessCompletedCommand(Command); } Controller->V2.NextStatusMailbox = NextStatusMailbox; /* Attempt to remove additional I/O Requests from the Controller's I/O Request Queue and queue them to the Controller. */ DAC960_ProcessRequest(Controller); spin_unlock_irqrestore(&Controller->queue_lock, flags); return IRQ_HANDLED; }

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alan coxalan cox10253.97%114.29%
andrew mortonandrew morton5931.22%457.14%
pre-gitpre-git2714.29%114.29%
al viroal viro10.53%114.29%
Total189100.00%7100.00%

/* DAC960_LP_InterruptHandler handles hardware interrupts from DAC960 LP Series Controllers. */
static irqreturn_t DAC960_LP_InterruptHandler(int IRQ_Channel, void *DeviceIdentifier) { DAC960_Controller_T *Controller = DeviceIdentifier; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V2_StatusMailbox_T *NextStatusMailbox; unsigned long flags; spin_lock_irqsave(&Controller->queue_lock, flags); DAC960_LP_AcknowledgeInterrupt(ControllerBaseAddress); NextStatusMailbox = Controller->V2.NextStatusMailbox; while (NextStatusMailbox->Fields.CommandIdentifier > 0) { DAC960_V2_CommandIdentifier_T CommandIdentifier = NextStatusMailbox->Fields.CommandIdentifier; DAC960_Command_T *Command = Controller->Commands[CommandIdentifier-1]; Command->V2.CommandStatus = NextStatusMailbox->Fields.CommandStatus; Command->V2.RequestSenseLength = NextStatusMailbox->Fields.RequestSenseLength; Command->V2.DataTransferResidue = NextStatusMailbox->Fields.DataTransferResidue; NextStatusMailbox->Words[0] = 0; if (++NextStatusMailbox > Controller->V2.LastStatusMailbox) NextStatusMailbox = Controller->V2.FirstStatusMailbox; DAC960_V2_ProcessCompletedCommand(Command); } Controller->V2.NextStatusMailbox = NextStatusMailbox; /* Attempt to remove additional I/O Requests from the Controller's I/O Request Queue and queue them to the Controller. */ DAC960_ProcessRequest(Controller); spin_unlock_irqrestore(&Controller->queue_lock, flags); return IRQ_HANDLED; }

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andrew mortonandrew morton7941.80%450.00%
alan coxalan cox6534.39%112.50%
pre-gitpre-git2814.81%112.50%
linus torvaldslinus torvalds168.47%112.50%
al viroal viro10.53%112.50%
Total189100.00%8100.00%

/* DAC960_LA_InterruptHandler handles hardware interrupts from DAC960 LA Series Controllers. */
static irqreturn_t DAC960_LA_InterruptHandler(int IRQ_Channel, void *DeviceIdentifier) { DAC960_Controller_T *Controller = DeviceIdentifier; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V1_StatusMailbox_T *NextStatusMailbox; unsigned long flags; spin_lock_irqsave(&Controller->queue_lock, flags); DAC960_LA_AcknowledgeInterrupt(ControllerBaseAddress); NextStatusMailbox = Controller->V1.NextStatusMailbox; while (NextStatusMailbox->Fields.Valid) { DAC960_V1_CommandIdentifier_T CommandIdentifier = NextStatusMailbox->Fields.CommandIdentifier; DAC960_Command_T *Command = Controller->Commands[CommandIdentifier-1]; Command->V1.CommandStatus = NextStatusMailbox->Fields.CommandStatus; NextStatusMailbox->Word = 0; if (++NextStatusMailbox > Controller->V1.LastStatusMailbox) NextStatusMailbox = Controller->V1.FirstStatusMailbox; DAC960_V1_ProcessCompletedCommand(Command); } Controller->V1.NextStatusMailbox = NextStatusMailbox; /* Attempt to remove additional I/O Requests from the Controller's I/O Request Queue and queue them to the Controller. */ DAC960_ProcessRequest(Controller); spin_unlock_irqrestore(&Controller->queue_lock, flags); return IRQ_HANDLED; }

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andrew mortonandrew morton7043.75%436.36%
alan coxalan cox6138.12%19.09%
pre-gitpre-git2213.75%19.09%
al viroal viro63.75%436.36%
linus torvaldslinus torvalds10.62%19.09%
Total160100.00%11100.00%

/* DAC960_PG_InterruptHandler handles hardware interrupts from DAC960 PG Series Controllers. */
static irqreturn_t DAC960_PG_InterruptHandler(int IRQ_Channel, void *DeviceIdentifier) { DAC960_Controller_T *Controller = DeviceIdentifier; void __iomem *ControllerBaseAddress = Controller->BaseAddress; DAC960_V1_StatusMailbox_T *NextStatusMailbox; unsigned long flags; spin_lock_irqsave(&Controller->queue_lock, flags); DAC960_PG_AcknowledgeInterrupt(ControllerBaseAddress); NextStatusMailbox = Controller->V1.NextStatusMailbox; while (NextStatusMailbox->Fields.Valid) { DAC960_V1_CommandIdentifier_T CommandIdentifier = NextStatusMailbox->Fields.CommandIdentifier; DAC960_Command_T *Command = Controller->Commands[CommandIdentifier-1]; Command->V1.CommandStatus = NextStatusMailbox->Fields.CommandStatus; NextStatusMailbox->Word = 0; if (++NextStatusMailbox > Controller->V1.LastStatusMailbox) NextStatusMailbox = Controller->V1.FirstStatusMailbox; DAC960_V1_ProcessCompletedCommand(Command); } Controller->V1.NextStatusMailbox = NextStatusMailbox; /* Attempt to remove additional I/O Requests from the Controller's I/O Request Queue and queue them to the Controller. */ DAC960_ProcessRequest(Controller); spin_unlock_irqrestore(&Controller->queue_lock, flags); return IRQ_HANDLED; }

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andrew mortonandrew morton10968.12%350.00%
alan coxalan cox3421.25%116.67%
pre-gitpre-git1610.00%116.67%
al viroal viro10.62%116.67%
Total160100.00%6100.00%

/* DAC960_PD_InterruptHandler handles hardware interrupts from DAC960 PD Series Controllers. */
static irqreturn_t DAC960_PD_InterruptHandler(int IRQ_Channel, void *DeviceIdentifier) { DAC960_Controller_T *Controller = DeviceIdentifier; void __iomem *ControllerBaseAddress = Controller->BaseAddress; unsigned long flags; spin_lock_irqsave(&Controller->queue_lock, flags); while (DAC960_PD_StatusAvailableP(ControllerBaseAddress)) { DAC960_V1_CommandIdentifier_T CommandIdentifier = DAC960_PD_ReadStatusCommandIdentifier(ControllerBaseAddress); DAC960_Command_T *Command = Controller->Commands[CommandIdentifier-1]; Command->V1.CommandStatus = DAC960_PD_ReadStatusRegister(ControllerBaseAddress); DAC960_PD_AcknowledgeInterrupt(ControllerBaseAddress); DAC960_PD_AcknowledgeStatus(ControllerBaseAddress); DAC960_V1_ProcessCompletedCommand(Command); } /* Attempt to remove additional I/O Requests from the Controller's I/O Request Queue and queue them to the Controller. */ DAC960_ProcessRequest(Controller); spin_unlock_irqrestore(&Controller->queue_lock, flags); return IRQ_HANDLED; }

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andrew mortonandrew morton9076.92%350.00%
pre-gitpre-git1512.82%116.67%
alan coxalan cox119.40%116.67%
al viroal viro10.85%116.67%
Total117100.00%6100.00%

/* DAC960_P_InterruptHandler handles hardware interrupts from DAC960 P Series Controllers. Translations of DAC960_V1_Enquiry and DAC960_V1_GetDeviceState rely on the data having been placed into DAC960_Controller_T, rather than an arbitrary buffer. */
static irqreturn_t DAC960_P_InterruptHandler(int IRQ_Channel, void *DeviceIdentifier) { DAC960_Controller_T *Controller = DeviceIdentifier; void __iomem *ControllerBaseAddress = Controller->BaseAddress; unsigned long flags; spin_lock_irqsave(&Controller->queue_lock, flags); while (DAC960_PD_StatusAvailableP(ControllerBaseAddress)) { DAC960_V1_CommandIdentifier_T CommandIdentifier = DAC960_PD_ReadStatusCommandIdentifier(ControllerBaseAddress); DAC960_Command_T *Command = Controller->Commands[CommandIdentifier-1]; DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; DAC960_V1_CommandOpcode_T CommandOpcode = CommandMailbox->Common.CommandOpcode; Command->V1.CommandStatus = DAC960_PD_ReadStatusRegister(ControllerBaseAddress); DAC960_PD_AcknowledgeInterrupt(ControllerBaseAddress); DAC960_PD_AcknowledgeStatus(ControllerBaseAddress); switch (CommandOpcode) { case DAC960_V1_Enquiry_Old: Command->V1.CommandMailbox.Common.CommandOpcode = DAC960_V1_Enquiry; DAC960_P_To_PD_TranslateEnquiry(Controller->V1.NewEnquiry); break; case DAC960_V1_GetDeviceState_Old: Command->V1.CommandMailbox.Common.CommandOpcode = DAC960_V1_GetDeviceState; DAC960_P_To_PD_TranslateDeviceState(Controller->V1.NewDeviceState); break; case DAC960_V1_Read_Old: Command->V1.CommandMailbox.Common.CommandOpcode = DAC960_V1_Read; DAC960_P_To_PD_TranslateReadWriteCommand(CommandMailbox); break; case DAC960_V1_Write_Old: Command->V1.CommandMailbox.Common.CommandOpcode = DAC960_V1_Write; DAC960_P_To_PD_TranslateReadWriteCommand(CommandMailbox); break; case DAC960_V1_ReadWithScatterGather_Old: Command->V1.CommandMailbox.Common.CommandOpcode = DAC960_V1_ReadWithScatterGather; DAC960_P_To_PD_TranslateReadWriteCommand(CommandMailbox); break; case DAC960_V1_WriteWithScatterGather_Old: Command->V1.CommandMailbox.Common.CommandOpcode = DAC960_V1_WriteWithScatterGather; DAC960_P_To_PD_TranslateReadWriteCommand(CommandMailbox); break; default: break; } DAC960_V1_ProcessCompletedCommand(Command); } /* Attempt to remove additional I/O Requests from the Controller's I/O Request Queue and queue them to the Controller. */ DAC960_ProcessRequest(Controller); spin_unlock_irqrestore(&Controller->queue_lock, flags); return IRQ_HANDLED; }

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andrew mortonandrew morton19469.53%342.86%
alan coxalan cox5017.92%114.29%
pre-gitpre-git3311.83%114.29%
arnaldo carvalho de meloarnaldo carvalho de melo10.36%114.29%
al viroal viro10.36%114.29%
Total279100.00%7100.00%

/* DAC960_V1_QueueMonitoringCommand queues a Monitoring Command to DAC960 V1 Firmware Controllers. */
static void DAC960_V1_QueueMonitoringCommand(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; DAC960_V1_ClearCommand(Command); Command->CommandType = DAC960_MonitoringCommand; CommandMailbox->Type3.CommandOpcode = DAC960_V1_Enquiry; CommandMailbox->Type3.BusAddress = Controller->V1.NewEnquiryDMA; DAC960_QueueCommand(Command); }

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andrew mortonandrew morton5381.54%150.00%
alan coxalan cox1218.46%150.00%
Total65100.00%2100.00%

/* DAC960_V2_QueueMonitoringCommand queues a Monitoring Command to DAC960 V2 Firmware Controllers. */
static void DAC960_V2_QueueMonitoringCommand(DAC960_Command_T *Command) { DAC960_Controller_T *Controller = Command->Controller; DAC960_V2_CommandMailbox_T *CommandMailbox = &Command->V2.CommandMailbox; DAC960_V2_ClearCommand(Command); Command->CommandType = DAC960_MonitoringCommand; CommandMailbox->ControllerInfo.CommandOpcode = DAC960_V2_IOCTL; CommandMailbox->ControllerInfo.CommandControlBits .DataTransferControllerToHost = true; CommandMailbox->ControllerInfo.CommandControlBits .NoAutoRequestSense = true; CommandMailbox->ControllerInfo.DataTransferSize = sizeof(DAC960_V2_ControllerInfo_T); CommandMailbox->ControllerInfo.ControllerNumber = 0; CommandMailbox->ControllerInfo.IOCTL_Opcode = DAC960_V2_GetControllerInfo; CommandMailbox->ControllerInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentDataPointer = Controller->V2.NewControllerInformationDMA; CommandMailbox->ControllerInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentByteCount = CommandMailbox->ControllerInfo.DataTransferSize; DAC960_QueueCommand(Command); }

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Total138100.00%3100.00%

/* DAC960_MonitoringTimerFunction is the timer function for monitoring the status of DAC960 Controllers. */
static void DAC960_MonitoringTimerFunction(unsigned long TimerData) { DAC960_Controller_T *Controller = (DAC960_Controller_T *) TimerData; DAC960_Command_T *Command; unsigned long flags; if (Controller->FirmwareType == DAC960_V1_Controller) { spin_lock_irqsave(&Controller->queue_lock, flags); /* Queue a Status Monitoring Command to Controller. */ Command = DAC960_AllocateCommand(Controller); if (Command != NULL) DAC960_V1_QueueMonitoringCommand(Command); else Controller->MonitoringCommandDeferred = true; spin_unlock_irqrestore(&Controller->queue_lock, flags); } else { DAC960_V2_ControllerInfo_T *ControllerInfo = &Controller->V2.ControllerInformation; unsigned int StatusChangeCounter = Controller->V2.HealthStatusBuffer->StatusChangeCounter; bool ForceMonitoringCommand = false; if (time_after(jiffies, Controller->SecondaryMonitoringTime + DAC960_SecondaryMonitoringInterval)) { int LogicalDriveNumber; for (LogicalDriveNumber = 0; LogicalDriveNumber < DAC960_MaxLogicalDrives; LogicalDriveNumber++) { DAC960_V2_LogicalDeviceInfo_T *LogicalDeviceInfo = Controller->V2.LogicalDeviceInformation[LogicalDriveNumber]; if (LogicalDeviceInfo == NULL) continue; if (!LogicalDeviceInfo->LogicalDeviceControl .LogicalDeviceInitialized) { ForceMonitoringCommand = true; break; } } Controller->SecondaryMonitoringTime = jiffies; } if (StatusChangeCounter == Controller->V2.StatusChangeCounter && Controller->V2.HealthStatusBuffer->NextEventSequenceNumber == Controller->V2.NextEventSequenceNumber && (ControllerInfo->BackgroundInitializationsActive + ControllerInfo->LogicalDeviceInitializationsActive + ControllerInfo->PhysicalDeviceInitializationsActive + ControllerInfo->ConsistencyChecksActive + ControllerInfo->RebuildsActive + ControllerInfo->OnlineExpansionsActive == 0 || time_before(jiffies, Controller->PrimaryMonitoringTime + DAC960_MonitoringTimerInterval)) && !ForceMonitoringCommand) { Controller->MonitoringTimer.expires = jiffies + DAC960_HealthStatusMonitoringInterval; add_timer(&Controller->MonitoringTimer); return; } Controller->V2.StatusChangeCounter = StatusChangeCounter; Controller->PrimaryMonitoringTime = jiffies; spin_lock_irqsave(&Controller->queue_lock, flags); /* Queue a Status Monitoring Command to Controller. */ Command = DAC960_AllocateCommand(Controller); if (Command != NULL) DAC960_V2_QueueMonitoringCommand(Command); else Controller->MonitoringCommandDeferred = true; spin_unlock_irqrestore(&Controller->queue_lock, flags); /* Wake up any processes waiting on a Health Status Buffer change. */ wake_up(&Controller->HealthStatusWaitQueue); } }

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andrew mortonandrew morton24470.52%220.00%
alan coxalan cox5415.61%110.00%
pre-gitpre-git277.80%220.00%
marcelo feitoza parisimarcelo feitoza parisi102.89%110.00%
linus torvaldslinus torvalds92.60%220.00%
richard knutssonrichard knutsson10.29%110.00%
arnaldo carvalho de meloarnaldo carvalho de melo10.29%110.00%
Total346100.00%10100.00%

/* DAC960_CheckStatusBuffer verifies that there is room to hold ByteCount additional bytes in the Combined Status Buffer and grows the buffer if necessary. It returns true if there is enough room and false otherwise. */
static bool DAC960_CheckStatusBuffer(DAC960_Controller_T *Controller, unsigned int ByteCount) { unsigned char *NewStatusBuffer; if (Controller->InitialStatusLength + 1 + Controller->CurrentStatusLength + ByteCount + 1 <= Controller->CombinedStatusBufferLength) return true; if (Controller->CombinedStatusBufferLength == 0) { unsigned int NewStatusBufferLength = DAC960_InitialStatusBufferSize; while (NewStatusBufferLength < ByteCount) NewStatusBufferLength *= 2; Controller->CombinedStatusBuffer = kmalloc(NewStatusBufferLength, GFP_ATOMIC); if (Controller->CombinedStatusBuffer == NULL) return false; Controller->CombinedStatusBufferLength = NewStatusBufferLength; return true; } NewStatusBuffer = kmalloc(2 * Controller->CombinedStatusBufferLength, GFP_ATOMIC); if (NewStatusBuffer == NULL) { DAC960_Warning("Unable to expand Combined Status Buffer - Truncating\n", Controller); return false; } memcpy(NewStatusBuffer, Controller->CombinedStatusBuffer, Controller->CombinedStatusBufferLength); kfree(Controller->CombinedStatusBuffer); Controller->CombinedStatusBuffer = NewStatusBuffer; Controller->CombinedStatusBufferLength *= 2; Controller->CurrentStatusBuffer = &NewStatusBuffer[Controller->InitialStatusLength + 1]; return true; }

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richard knutssonrichard knutsson10.56%125.00%
Total179100.00%4100.00%

/* DAC960_Message prints Driver Messages. */
static void DAC960_Message(DAC960_MessageLevel_T MessageLevel, unsigned char *Format, DAC960_Controller_T *Controller, ...) { static unsigned char Buffer[DAC960_LineBufferSize]; static bool BeginningOfLine = true; va_list Arguments; int Length = 0; va_start(Arguments, Controller); Length = vsprintf(Buffer, Format, Arguments); va_end(Arguments); if (Controller == NULL) printk("%sDAC960#%d: %s", DAC960_MessageLevelMap[MessageLevel], DAC960_ControllerCount, Buffer); else if (MessageLevel == DAC960_AnnounceLevel || MessageLevel == DAC960_InfoLevel) { if (!Controller->ControllerInitialized) { if (DAC960_CheckStatusBuffer(Controller, Length)) { strcpy(&Controller->CombinedStatusBuffer [Controller->InitialStatusLength], Buffer); Controller->InitialStatusLength += Length; Controller->CurrentStatusBuffer = &Controller->CombinedStatusBuffer [Controller->InitialStatusLength + 1]; } if (MessageLevel == DAC960_AnnounceLevel) { static int AnnouncementLines = 0; if (++AnnouncementLines <= 2) printk("%sDAC960: %s", DAC960_MessageLevelMap[MessageLevel], Buffer); } else { if (BeginningOfLine) { if (Buffer[0] != '\n' || Length > 1) printk("%sDAC960#%d: %s", DAC960_MessageLevelMap[MessageLevel], Controller->ControllerNumber, Buffer); } else printk("%s", Buffer); } } else if (DAC960_CheckStatusBuffer(Controller, Length)) { strcpy(&Controller->CurrentStatusBuffer[ Controller->CurrentStatusLength], Buffer); Controller->CurrentStatusLength += Length; } } else if (MessageLevel == DAC960_ProgressLevel) { strcpy(Controller->ProgressBuffer, Buffer); Controller->ProgressBufferLength = Length; if (Controller->EphemeralProgressMessage) { if (time_after_eq(jiffies, Controller->LastProgressReportTime + DAC960_ProgressReportingInterval)) { printk("%sDAC960#%d: %s", DAC960_MessageLevelMap[MessageLevel], Controller->ControllerNumber, Buffer); Controller->LastProgressReportTime = jiffies; } } else printk("%sDAC960#%d: %s", DAC960_MessageLevelMap[MessageLevel], Controller->ControllerNumber, Buffer); } else if (MessageLevel == DAC960_UserCriticalLevel) { strcpy(&Controller->UserStatusBuffer[Controller->UserStatusLength], Buffer); Controller->UserStatusLength += Length; if (Buffer[0] != '\n' || Length > 1) printk("%sDAC960#%d: %s", DAC960_MessageLevelMap[MessageLevel], Controller->ControllerNumber, Buffer); } else { if (BeginningOfLine) printk("%sDAC960#%d: %s", DAC960_MessageLevelMap[MessageLevel], Controller->ControllerNumber, Buffer); else printk("%s", Buffer); } BeginningOfLine = (Buffer[Length-1] == '\n'); }

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andrew mortonandrew morton31168.20%228.57%
pre-gitpre-git6915.13%114.29%
alan coxalan cox5912.94%114.29%
arnaldo carvalho de meloarnaldo carvalho de melo112.41%114.29%
marcelo feitoza parisimarcelo feitoza parisi51.10%114.29%
richard knutssonrichard knutsson10.22%114.29%
Total456100.00%7100.00%

/* DAC960_ParsePhysicalDevice parses spaces followed by a Physical Device Channel:TargetID specification from a User Command string. It updates Channel and TargetID and returns true on success and false on failure. */
static bool DAC960_ParsePhysicalDevice(DAC960_Controller_T *Controller, char *UserCommandString, unsigned char *Channel, unsigned char *TargetID) { char *NewUserCommandString = UserCommandString; unsigned long XChannel, XTargetID; while (*UserCommandString == ' ') UserCommandString++; if (UserCommandString == NewUserCommandString) return false; XChannel = simple_strtoul(UserCommandString, &NewUserCommandString, 10); if (NewUserCommandString == UserCommandString || *NewUserCommandString != ':' || XChannel >= Controller->Channels) return false; UserCommandString = ++NewUserCommandString; XTargetID = simple_strtoul(UserCommandString, &NewUserCommandString, 10); if (NewUserCommandString == UserCommandString || *NewUserCommandString != '\0' || XTargetID >= Controller->Targets) return false; *Channel = XChannel; *TargetID = XTargetID; return true; }

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richard knutssonrichard knutsson10.73%120.00%
Total137100.00%5100.00%

/* DAC960_ParseLogicalDrive parses spaces followed by a Logical Drive Number specification from a User Command string. It updates LogicalDriveNumber and returns true on success and false on failure. */
static bool DAC960_ParseLogicalDrive(DAC960_Controller_T *Controller, char *UserCommandString, unsigned char *LogicalDriveNumber) { char *NewUserCommandString = UserCommandString; unsigned long XLogicalDriveNumber; while (*UserCommandString == ' ') UserCommandString++; if (UserCommandString == NewUserCommandString) return false; XLogicalDriveNumber = simple_strtoul(UserCommandString, &NewUserCommandString, 10); if (NewUserCommandString == UserCommandString || *NewUserCommandString != '\0' || XLogicalDriveNumber > DAC960_MaxLogicalDrives - 1) return false; *LogicalDriveNumber = XLogicalDriveNumber; return true; }

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andrew mortonandrew morton7787.50%125.00%
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richard knutssonrichard knutsson11.14%125.00%
Total88100.00%4100.00%

/* DAC960_V1_SetDeviceState sets the Device State for a Physical Device for DAC960 V1 Firmware Controllers. */
static void DAC960_V1_SetDeviceState(DAC960_Controller_T *Controller, DAC960_Command_T *Command, unsigned char Channel, unsigned char TargetID, DAC960_V1_PhysicalDeviceState_T DeviceState, const unsigned char *DeviceStateString) { DAC960_V1_CommandMailbox_T *CommandMailbox = &Command->V1.CommandMailbox; CommandMailbox->Type3D.CommandOpcode = DAC960_V1_StartDevice; CommandMailbox->Type3D.Channel = Channel; CommandMailbox->Type3D.TargetID = TargetID; CommandMailbox->Type3D.DeviceState = DeviceState; CommandMailbox->Type3D.Modifier = 0; DAC960_ExecuteCommand(Command); switch (Command->V1.CommandStatus) { case DAC960_V1_NormalCompletion: DAC960_UserCritical("%s of Physical Device %d:%d Succeeded\n", Controller, DeviceStateString, Channel, TargetID); break; case DAC960_V1_UnableToStartDevice: DAC960_UserCritical("%s of Physical Device %d:%d Failed - " "Unable to Start Device\n", Controller, DeviceStateString, Channel, TargetID); break; case DAC960_V1_NoDeviceAtAddress: DAC960_UserCritical("%s of Physical Device %d:%d Failed - " "No Device at Address\n", Controller, DeviceStateString, Channel, TargetID); break; case DAC960_V1_InvalidChannelOrTargetOrModifier: DAC960_UserCritical("%s of Physical Device %d:%d Failed - " "Invalid Channel or Target or Modifier\n", Controller, DeviceStateString, Channel, TargetID); break; case DAC960_V1_ChannelBusy: DAC960_UserCritical("%s of Physical Device %d:%d Failed - " "Channel Busy\n", Controller, DeviceStateString, Channel, TargetID); break; default: DAC960_UserCritical("%s of Physical Device %d:%d Failed - " "Unexpected Status %04X\n", Controller, DeviceStateString, Channel, TargetID, Command->V1.CommandStatus); break; } }

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alan coxalan cox2612.50%133.33%
Total208100.00%3100.00%

/* DAC960_V1_ExecuteUserCommand executes a User Command for DAC960 V1 Firmware Controllers. */
static bool DAC960_V1_ExecuteUserCommand(DAC960_Controller_T *Controller, unsigned char *UserCommand) { DAC960_Command_T *Command; DAC960_V1_CommandMailbox_T *CommandMailbox; unsigned long flags; unsigned char Channel, TargetID, LogicalDriveNumber; spin_lock_irqsave(&Controller->queue_lock, flags); while ((Command = DAC960_AllocateCommand(Controller)) == NULL) DAC960_WaitForCommand(Controller); spin_unlock_irqrestore(&Controller->queue_lock, flags); Controller->UserStatusLength = 0; DAC960_V1_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; CommandMailbox = &Command->V1.CommandMailbox; if (strcmp(UserCommand, "flush-cache") == 0) { CommandMailbox->Type3.CommandOpcode = DAC960_V1_Flush; DAC960_ExecuteCommand(Command); DAC960_UserCritical("Cache Flush Completed\n", Controller); } else if (strncmp(UserCommand, "kill", 4) == 0 && DAC960_ParsePhysicalDevice(Controller, &UserCommand[4], &Channel, &TargetID)) { DAC960_V1_DeviceState_T *DeviceState = &Controller->V1.DeviceState[Channel][TargetID]; if (DeviceState->Present && DeviceState->DeviceType == DAC960_V1_DiskType && DeviceState->DeviceState != DAC960_V1_Device_Dead) DAC960_V1_SetDeviceState(Controller, Command, Channel, TargetID, DAC960_V1_Device_Dead, "Kill"); else DAC960_UserCritical("Kill of Physical Device %d:%d Illegal\n", Controller, Channel, TargetID); } else if (strncmp(UserCommand, "make-online", 11) == 0 && DAC960_ParsePhysicalDevice(Controller, &UserCommand[11], &Channel, &TargetID)) { DAC960_V1_DeviceState_T *DeviceState = &Controller->V1.DeviceState[Channel][TargetID]; if (DeviceState->Present && DeviceState->DeviceType == DAC960_V1_DiskType && DeviceState->DeviceState == DAC960_V1_Device_Dead) DAC960_V1_SetDeviceState(Controller, Command, Channel, TargetID, DAC960_V1_Device_Online, "Make Online"); else DAC960_UserCritical("Make Online of Physical Device %d:%d Illegal\n", Controller, Channel, TargetID); } else if (strncmp(UserCommand, "make-standby", 12) == 0 && DAC960_ParsePhysicalDevice(Controller, &UserCommand[12], &Channel, &TargetID)) { DAC960_V1_DeviceState_T *DeviceState = &Controller->V1.DeviceState[Channel][TargetID]; if (DeviceState->Present && DeviceState->DeviceType == DAC960_V1_DiskType && DeviceState->DeviceState == DAC960_V1_Device_Dead) DAC960_V1_SetDeviceState(Controller, Command, Channel, TargetID, DAC960_V1_Device_Standby, "Make Standby"); else DAC960_UserCritical("Make Standby of Physical " "Device %d:%d Illegal\n", Controller, Channel, TargetID); } else if (strncmp(UserCommand, "rebuild", 7) == 0 && DAC960_ParsePhysicalDevice(Controller, &UserCommand[7], &Channel, &TargetID)) { CommandMailbox->Type3D.CommandOpcode = DAC960_V1_RebuildAsync; CommandMailbox->Type3D.Channel = Channel; CommandMailbox->Type3D.TargetID = TargetID; DAC960_ExecuteCommand(Command); switch (Command->V1.CommandStatus) { case DAC960_V1_NormalCompletion: DAC960_UserCritical("Rebuild of Physical Device %d:%d Initiated\n", Controller, Channel, TargetID); break; case DAC960_V1_AttemptToRebuildOnlineDrive: DAC960_UserCritical("Rebuild of Physical Device %d:%d Failed - " "Attempt to Rebuild Online or " "Unresponsive Drive\n", Controller, Channel, TargetID); break; case DAC960_V1_NewDiskFailedDuringRebuild: DAC960_UserCritical("Rebuild of Physical Device %d:%d Failed - " "New Disk Failed During Rebuild\n", Controller, Channel, TargetID); break; case DAC960_V1_InvalidDeviceAddress: DAC960_UserCritical("Rebuild of Physical Device %d:%d Failed - " "Invalid Device Address\n", Controller, Channel, TargetID); break; case DAC960_V1_RebuildOrCheckAlreadyInProgress: DAC960_UserCritical("Rebuild of Physical Device %d:%d Failed - " "Rebuild or Consistency Check Already " "in Progress\n", Controller, Channel, TargetID); break; default: DAC960_UserCritical("Rebuild of Physical Device %d:%d Failed - " "Unexpected Status %04X\n", Controller, Channel, TargetID, Command->V1.CommandStatus); break; } } else if (strncmp(UserCommand, "check-consistency", 17) == 0 && DAC960_ParseLogicalDrive(Controller, &UserCommand[17], &LogicalDriveNumber)) { CommandMailbox->Type3C.CommandOpcode = DAC960_V1_CheckConsistencyAsync; CommandMailbox->Type3C.LogicalDriveNumber = LogicalDriveNumber; CommandMailbox->Type3C.AutoRestore = true; DAC960_ExecuteCommand(Command); switch (Command->V1.CommandStatus) { case DAC960_V1_NormalCompletion: DAC960_UserCritical("Consistency Check of Logical Drive %d " "(/dev/rd/c%dd%d) Initiated\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber); break; case DAC960_V1_DependentDiskIsDead: DAC960_UserCritical("Consistency Check of Logical Drive %d " "(/dev/rd/c%dd%d) Failed - " "Dependent Physical Device is DEAD\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber); break; case DAC960_V1_InvalidOrNonredundantLogicalDrive: DAC960_UserCritical("Consistency Check of Logical Drive %d " "(/dev/rd/c%dd%d) Failed - " "Invalid or Nonredundant Logical Drive\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber); break; case DAC960_V1_RebuildOrCheckAlreadyInProgress: DAC960_UserCritical("Consistency Check of Logical Drive %d " "(/dev/rd/c%dd%d) Failed - Rebuild or " "Consistency Check Already in Progress\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber); break; default: DAC960_UserCritical("Consistency Check of Logical Drive %d " "(/dev/rd/c%dd%d) Failed - " "Unexpected Status %04X\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber, Command->V1.CommandStatus); break; } } else if (strcmp(UserCommand, "cancel-rebuild") == 0 || strcmp(UserCommand, "cancel-consistency-check") == 0) { /* the OldRebuildRateConstant is never actually used once its value is retrieved from the controller. */ unsigned char *OldRebuildRateConstant; dma_addr_t OldRebuildRateConstantDMA; OldRebuildRateConstant = pci_alloc_consistent( Controller->PCIDevice, sizeof(char), &OldRebuildRateConstantDMA); if (OldRebuildRateConstant == NULL) { DAC960_UserCritical("Cancellation of Rebuild or " "Consistency Check Failed - " "Out of Memory", Controller); goto failure; } CommandMailbox->Type3R.CommandOpcode = DAC960_V1_RebuildControl; CommandMailbox->Type3R.RebuildRateConstant = 0xFF; CommandMailbox->Type3R.BusAddress = OldRebuildRateConstantDMA; DAC960_ExecuteCommand(Command); switch (Command->V1.CommandStatus) { case DAC960_V1_NormalCompletion: DAC960_UserCritical("Rebuild or Consistency Check Cancelled\n", Controller); break; default: DAC960_UserCritical("Cancellation of Rebuild or " "Consistency Check Failed - " "Unexpected Status %04X\n", Controller, Command->V1.CommandStatus); break; } failure: pci_free_consistent(Controller->PCIDevice, sizeof(char), OldRebuildRateConstant, OldRebuildRateConstantDMA); } else DAC960_UserCritical("Illegal User Command: '%s'\n", Controller, UserCommand); spin_lock_irqsave(&Controller->queue_lock, flags); DAC960_DeallocateCommand(Command); spin_unlock_irqrestore(&Controller->queue_lock, flags); return true; }

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alan coxalan cox899.27%120.00%
richard knutssonrichard knutsson10.10%120.00%
Total960100.00%5100.00%

/* DAC960_V2_TranslatePhysicalDevice translates a Physical Device Channel and TargetID into a Logical Device. It returns true on success and false on failure. */
static bool DAC960_V2_TranslatePhysicalDevice(DAC960_Command_T *Command, unsigned char Channel, unsigned char TargetID, unsigned short *LogicalDeviceNumber) { DAC960_V2_CommandMailbox_T SavedCommandMailbox, *CommandMailbox; DAC960_Controller_T *Controller = Command->Controller; CommandMailbox = &Command->V2.CommandMailbox; memcpy(&SavedCommandMailbox, CommandMailbox, sizeof(DAC960_V2_CommandMailbox_T)); CommandMailbox->PhysicalDeviceInfo.CommandOpcode = DAC960_V2_IOCTL; CommandMailbox->PhysicalDeviceInfo.CommandControlBits .DataTransferControllerToHost = true; CommandMailbox->PhysicalDeviceInfo.CommandControlBits .NoAutoRequestSense = true; CommandMailbox->PhysicalDeviceInfo.DataTransferSize = sizeof(DAC960_V2_PhysicalToLogicalDevice_T); CommandMailbox->PhysicalDeviceInfo.PhysicalDevice.TargetID = TargetID; CommandMailbox->PhysicalDeviceInfo.PhysicalDevice.Channel = Channel; CommandMailbox->PhysicalDeviceInfo.IOCTL_Opcode = DAC960_V2_TranslatePhysicalToLogicalDevice; CommandMailbox->Common.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentDataPointer = Controller->V2.PhysicalToLogicalDeviceDMA; CommandMailbox->Common.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentByteCount = CommandMailbox->Common.DataTransferSize; DAC960_ExecuteCommand(Command); *LogicalDeviceNumber = Controller->V2.PhysicalToLogicalDevice->LogicalDeviceNumber; memcpy(CommandMailbox, &SavedCommandMailbox, sizeof(DAC960_V2_CommandMailbox_T)); return (Command->V2.CommandStatus == DAC960_V2_NormalCompletion); }

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andrew mortonandrew morton12259.80%133.33%
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richard knutssonrichard knutsson10.49%133.33%
Total204100.00%3100.00%

/* DAC960_V2_ExecuteUserCommand executes a User Command for DAC960 V2 Firmware Controllers. */
static bool DAC960_V2_ExecuteUserCommand(DAC960_Controller_T *Controller, unsigned char *UserCommand) { DAC960_Command_T *Command; DAC960_V2_CommandMailbox_T *CommandMailbox; unsigned long flags; unsigned char Channel, TargetID, LogicalDriveNumber; unsigned short LogicalDeviceNumber; spin_lock_irqsave(&Controller->queue_lock, flags); while ((Command = DAC960_AllocateCommand(Controller)) == NULL) DAC960_WaitForCommand(Controller); spin_unlock_irqrestore(&Controller->queue_lock, flags); Controller->UserStatusLength = 0; DAC960_V2_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; CommandMailbox = &Command->V2.CommandMailbox; CommandMailbox->Common.CommandOpcode = DAC960_V2_IOCTL; CommandMailbox->Common.CommandControlBits.DataTransferControllerToHost = true; CommandMailbox->Common.CommandControlBits.NoAutoRequestSense = true; if (strcmp(UserCommand, "flush-cache") == 0) { CommandMailbox->DeviceOperation.IOCTL_Opcode = DAC960_V2_PauseDevice; CommandMailbox->DeviceOperation.OperationDevice = DAC960_V2_RAID_Controller; DAC960_ExecuteCommand(Command); DAC960_UserCritical("Cache Flush Completed\n", Controller); } else if (strncmp(UserCommand, "kill", 4) == 0 && DAC960_ParsePhysicalDevice(Controller, &UserCommand[4], &Channel, &TargetID) && DAC960_V2_TranslatePhysicalDevice(Command, Channel, TargetID, &LogicalDeviceNumber)) { CommandMailbox->SetDeviceState.LogicalDevice.LogicalDeviceNumber = LogicalDeviceNumber; CommandMailbox->SetDeviceState.IOCTL_Opcode = DAC960_V2_SetDeviceState; CommandMailbox->SetDeviceState.DeviceState.PhysicalDeviceState = DAC960_V2_Device_Dead; DAC960_ExecuteCommand(Command); DAC960_UserCritical("Kill of Physical Device %d:%d %s\n", Controller, Channel, TargetID, (Command->V2.CommandStatus == DAC960_V2_NormalCompletion ? "Succeeded" : "Failed")); } else if (strncmp(UserCommand, "make-online", 11) == 0 && DAC960_ParsePhysicalDevice(Controller, &UserCommand[11], &Channel, &TargetID) && DAC960_V2_TranslatePhysicalDevice(Command, Channel, TargetID, &LogicalDeviceNumber)) { CommandMailbox->SetDeviceState.LogicalDevice.LogicalDeviceNumber = LogicalDeviceNumber; CommandMailbox->SetDeviceState.IOCTL_Opcode = DAC960_V2_SetDeviceState; CommandMailbox->SetDeviceState.DeviceState.PhysicalDeviceState = DAC960_V2_Device_Online; DAC960_ExecuteCommand(Command); DAC960_UserCritical("Make Online of Physical Device %d:%d %s\n", Controller, Channel, TargetID, (Command->V2.CommandStatus == DAC960_V2_NormalCompletion ? "Succeeded" : "Failed")); } else if (strncmp(UserCommand, "make-standby", 12) == 0 && DAC960_ParsePhysicalDevice(Controller, &UserCommand[12], &Channel, &TargetID) && DAC960_V2_TranslatePhysicalDevice(Command, Channel, TargetID, &LogicalDeviceNumber)) { CommandMailbox->SetDeviceState.LogicalDevice.LogicalDeviceNumber = LogicalDeviceNumber; CommandMailbox->SetDeviceState.IOCTL_Opcode = DAC960_V2_SetDeviceState; CommandMailbox->SetDeviceState.DeviceState.PhysicalDeviceState = DAC960_V2_Device_Standby; DAC960_ExecuteCommand(Command); DAC960_UserCritical("Make Standby of Physical Device %d:%d %s\n", Controller, Channel, TargetID, (Command->V2.CommandStatus == DAC960_V2_NormalCompletion ? "Succeeded" : "Failed")); } else if (strncmp(UserCommand, "rebuild", 7) == 0 && DAC960_ParsePhysicalDevice(Controller, &UserCommand[7], &Channel, &TargetID) && DAC960_V2_TranslatePhysicalDevice(Command, Channel, TargetID, &LogicalDeviceNumber)) { CommandMailbox->LogicalDeviceInfo.LogicalDevice.LogicalDeviceNumber = LogicalDeviceNumber; CommandMailbox->LogicalDeviceInfo.IOCTL_Opcode = DAC960_V2_RebuildDeviceStart; DAC960_ExecuteCommand(Command); DAC960_UserCritical("Rebuild of Physical Device %d:%d %s\n", Controller, Channel, TargetID, (Command->V2.CommandStatus == DAC960_V2_NormalCompletion ? "Initiated" : "Not Initiated")); } else if (strncmp(UserCommand, "cancel-rebuild", 14) == 0 && DAC960_ParsePhysicalDevice(Controller, &UserCommand[14], &Channel, &TargetID) && DAC960_V2_TranslatePhysicalDevice(Command, Channel, TargetID, &LogicalDeviceNumber)) { CommandMailbox->LogicalDeviceInfo.LogicalDevice.LogicalDeviceNumber = LogicalDeviceNumber; CommandMailbox->LogicalDeviceInfo.IOCTL_Opcode = DAC960_V2_RebuildDeviceStop; DAC960_ExecuteCommand(Command); DAC960_UserCritical("Rebuild of Physical Device %d:%d %s\n", Controller, Channel, TargetID, (Command->V2.CommandStatus == DAC960_V2_NormalCompletion ? "Cancelled" : "Not Cancelled")); } else if (strncmp(UserCommand, "check-consistency", 17) == 0 && DAC960_ParseLogicalDrive(Controller, &UserCommand[17], &LogicalDriveNumber)) { CommandMailbox->ConsistencyCheck.LogicalDevice.LogicalDeviceNumber = LogicalDriveNumber; CommandMailbox->ConsistencyCheck.IOCTL_Opcode = DAC960_V2_ConsistencyCheckStart; CommandMailbox->ConsistencyCheck.RestoreConsistency = true; CommandMailbox->ConsistencyCheck.InitializedAreaOnly = false; DAC960_ExecuteCommand(Command); DAC960_UserCritical("Consistency Check of Logical Drive %d " "(/dev/rd/c%dd%d) %s\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber, (Command->V2.CommandStatus == DAC960_V2_NormalCompletion ? "Initiated" : "Not Initiated")); } else if (strncmp(UserCommand, "cancel-consistency-check", 24) == 0 && DAC960_ParseLogicalDrive(Controller, &UserCommand[24], &LogicalDriveNumber)) { CommandMailbox->ConsistencyCheck.LogicalDevice.LogicalDeviceNumber = LogicalDriveNumber; CommandMailbox->ConsistencyCheck.IOCTL_Opcode = DAC960_V2_ConsistencyCheckStop; DAC960_ExecuteCommand(Command); DAC960_UserCritical("Consistency Check of Logical Drive %d " "(/dev/rd/c%dd%d) %s\n", Controller, LogicalDriveNumber, Controller->ControllerNumber, LogicalDriveNumber, (Command->V2.CommandStatus == DAC960_V2_NormalCompletion ? "Cancelled" : "Not Cancelled")); } else if (strcmp(UserCommand, "perform-discovery") == 0) { CommandMailbox->Common.IOCTL_Opcode = DAC960_V2_StartDiscovery; DAC960_ExecuteCommand(Command); DAC960_UserCritical("Discovery %s\n", Controller, (Command->V2.CommandStatus == DAC960_V2_NormalCompletion ? "Initiated" : "Not Initiated")); if (Command->V2.CommandStatus == DAC960_V2_NormalCompletion) { CommandMailbox->ControllerInfo.CommandOpcode = DAC960_V2_IOCTL; CommandMailbox->ControllerInfo.CommandControlBits .DataTransferControllerToHost = true; CommandMailbox->ControllerInfo.CommandControlBits .NoAutoRequestSense = true; CommandMailbox->ControllerInfo.DataTransferSize = sizeof(DAC960_V2_ControllerInfo_T); CommandMailbox->ControllerInfo.ControllerNumber = 0; CommandMailbox->ControllerInfo.IOCTL_Opcode = DAC960_V2_GetControllerInfo; /* * How does this NOT race with the queued Monitoring * usage of this structure? */ CommandMailbox->ControllerInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentDataPointer = Controller->V2.NewControllerInformationDMA; CommandMailbox->ControllerInfo.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentByteCount = CommandMailbox->ControllerInfo.DataTransferSize; while (1) { DAC960_ExecuteCommand(Command); if (!Controller->V2.NewControllerInformation->PhysicalScanActive) break; msleep(1000); } DAC960_UserCritical("Discovery Completed\n", Controller); } } else if (strcmp(UserCommand, "suppress-enclosure-messages") == 0) Controller->SuppressEnclosureMessages = true; else DAC960_UserCritical("Illegal User Command: '%s'\n", Controller, UserCommand); spin_lock_irqsave(&Controller->queue_lock, flags); DAC960_DeallocateCommand(Command); spin_unlock_irqrestore(&Controller->queue_lock, flags); return true; }

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andrew mortonandrew morton55150.37%222.22%
pre-gitpre-git50946.53%444.44%
alan coxalan cox232.10%111.11%
arnd bergmannarnd bergmann100.91%111.11%
richard knutssonrichard knutsson10.09%111.11%
Total1094100.00%9100.00%


static int dac960_proc_show(struct seq_file *m, void *v) { unsigned char *StatusMessage = "OK\n"; int ControllerNumber; for (ControllerNumber = 0; ControllerNumber < DAC960_ControllerCount; ControllerNumber++) { DAC960_Controller_T *Controller = DAC960_Controllers[ControllerNumber]; if (Controller == NULL) continue; if (Controller->MonitoringAlertMode) { StatusMessage = "ALERT\n"; break; } } seq_puts(m, StatusMessage); return 0; }

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andrew mortonandrew morton7088.61%150.00%
alexey dobriyanalexey dobriyan911.39%150.00%
Total79100.00%2100.00%


static int dac960_proc_open(struct inode *inode, struct file *file) { return single_open(file, dac960_proc_show, NULL); }

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alexey dobriyanalexey dobriyan2076.92%150.00%
andrew mortonandrew morton623.08%150.00%
Total26100.00%2100.00%

static const struct file_operations dac960_proc_fops = { .owner = THIS_MODULE, .open = dac960_proc_open, .read = seq_read, .llseek = seq_lseek, .release = single_release, };
static int dac960_initial_status_proc_show(struct seq_file *m, void *v) { DAC960_Controller_T *Controller = (DAC960_Controller_T *)m->private; seq_printf(m, "%.*s", Controller->InitialStatusLength, Controller->CombinedStatusBuffer); return 0; }

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andrew mortonandrew morton3066.67%150.00%
alexey dobriyanalexey dobriyan1533.33%150.00%
Total45100.00%2100.00%


static int dac960_initial_status_proc_open(struct inode *inode, struct file *file) { return single_open(file, dac960_initial_status_proc_show, PDE_DATA(inode)); }

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alexey dobriyanalexey dobriyan2275.86%133.33%
andrew mortonandrew morton620.69%133.33%
al viroal viro13.45%133.33%
Total29100.00%3100.00%

static const struct file_operations dac960_initial_status_proc_fops = { .owner = THIS_MODULE, .open = dac960_initial_status_proc_open, .read = seq_read, .llseek = seq_lseek, .release = single_release, };
static int dac960_current_status_proc_show(struct seq_file *m, void *v) { DAC960_Controller_T *Controller = (DAC960_Controller_T *) m->private; unsigned char *StatusMessage = "No Rebuild or Consistency Check in Progress\n"; int ProgressMessageLength = strlen(StatusMessage); if (jiffies != Controller->LastCurrentStatusTime) { Controller->CurrentStatusLength = 0; DAC960_AnnounceDriver(Controller); DAC960_ReportControllerConfiguration(Controller); DAC960_ReportDeviceConfiguration(Controller); if (Controller->ProgressBufferLength > 0) ProgressMessageLength = Controller->ProgressBufferLength; if (DAC960_CheckStatusBuffer(Controller, 2 + ProgressMessageLength)) { unsigned char *CurrentStatusBuffer = Controller->CurrentStatusBuffer; CurrentStatusBuffer[Controller->CurrentStatusLength++] = ' '; CurrentStatusBuffer[Controller->CurrentStatusLength++] = ' '; if (Controller->ProgressBufferLength > 0) strcpy(&CurrentStatusBuffer[Controller->CurrentStatusLength], Controller->ProgressBuffer); else strcpy(&CurrentStatusBuffer[Controller->CurrentStatusLength], StatusMessage); Controller->CurrentStatusLength += ProgressMessageLength; } Controller->LastCurrentStatusTime = jiffies; } seq_printf(m, "%.*s", Controller->CurrentStatusLength, Controller->CurrentStatusBuffer); return 0; }

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andrew mortonandrew morton17991.33%150.00%
alexey dobriyanalexey dobriyan178.67%150.00%
Total196100.00%2100.00%


static int dac960_current_status_proc_open(struct inode *inode, struct file *file) { return single_open(file, dac960_current_status_proc_show, PDE_DATA(inode)); }

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alexey dobriyanalexey dobriyan2275.86%133.33%
andrew mortonandrew morton620.69%133.33%
al viroal viro13.45%133.33%
Total29100.00%3100.00%

static const struct file_operations dac960_current_status_proc_fops = { .owner = THIS_MODULE, .open = dac960_current_status_proc_open, .read = seq_read, .llseek = seq_lseek, .release = single_release, };
static int dac960_user_command_proc_show(struct seq_file *m, void *v) { DAC960_Controller_T *Controller = (DAC960_Controller_T *)m->private; seq_printf(m, "%.*s", Controller->UserStatusLength, Controller->UserStatusBuffer); return 0; }

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andrew mortonandrew morton2862.22%150.00%
alexey dobriyanalexey dobriyan1737.78%150.00%
Total45100.00%2100.00%


static int dac960_user_command_proc_open(struct inode *inode, struct file *file) { return single_open(file, dac960_user_command_proc_show, PDE_DATA(inode)); }

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alexey dobriyanalexey dobriyan2689.66%133.33%
andrew mortonandrew morton26.90%133.33%
al viroal viro13.45%133.33%
Total29100.00%3100.00%


static ssize_t dac960_user_command_proc_write(struct file *file, const char __user *Buffer, size_t Count, loff_t *pos) { DAC960_Controller_T *Controller = PDE_DATA(file_inode(file)); unsigned char CommandBuffer[80]; int Length; if (Count > sizeof(CommandBuffer)-1) return -EINVAL; if (copy_from_user(CommandBuffer, Buffer, Count)) return -EFAULT; CommandBuffer[Count] = '\0'; Length = strlen(CommandBuffer); if (Length > 0 && CommandBuffer[Length-1] == '\n') CommandBuffer[--Length] = '\0'; if (Controller->FirmwareType == DAC960_V1_Controller) return (DAC960_V1_ExecuteUserCommand(Controller, CommandBuffer) ? Count : -EBUSY); else return (DAC960_V2_ExecuteUserCommand(Controller, CommandBuffer) ? Count : -EBUSY); }

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andrew mortonandrew morton12380.92%112.50%
pre-gitpre-git117.24%225.00%
alexey dobriyanalexey dobriyan95.92%112.50%
al viroal viro53.29%337.50%
michael bueschmichael buesch42.63%112.50%
Total152100.00%8100.00%

static const struct file_operations dac960_user_command_proc_fops = { .owner = THIS_MODULE, .open = dac960_user_command_proc_open, .read = seq_read, .llseek = seq_lseek, .release = single_release, .write = dac960_user_command_proc_write, }; /* DAC960_CreateProcEntries creates the /proc/rd/... entries for the DAC960 Driver. */
static void DAC960_CreateProcEntries(DAC960_Controller_T *Controller) { struct proc_dir_entry *ControllerProcEntry; if (DAC960_ProcDirectoryEntry == NULL) { DAC960_ProcDirectoryEntry = proc_mkdir("rd", NULL); proc_create("status", 0, DAC960_ProcDirectoryEntry, &dac960_proc_fops); } sprintf(Controller->ControllerName, "c%d", Controller->ControllerNumber); ControllerProcEntry = proc_mkdir(Controller->ControllerName, DAC960_ProcDirectoryEntry); proc_create_data("initial_status", 0, ControllerProcEntry, &dac960_initial_status_proc_fops, Controller); proc_create_data("current_status", 0, ControllerProcEntry, &dac960_current_status_proc_fops, Controller); proc_create_data("user_command", S_IWUSR | S_IRUSR, ControllerProcEntry, &dac960_user_command_proc_fops, Controller); Controller->ControllerProcEntry = ControllerProcEntry; }

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andrew mortonandrew morton8067.80%120.00%
pre-gitpre-git2420.34%240.00%
alexey dobriyanalexey dobriyan1210.17%120.00%
alan coxalan cox21.69%120.00%
Total118100.00%5100.00%

/* DAC960_DestroyProcEntries destroys the /proc/rd/... entries for the DAC960 Driver. */
static void DAC960_DestroyProcEntries(DAC960_Controller_T *Controller) { if (Controller->ControllerProcEntry == NULL) return; remove_proc_entry("initial_status", Controller->ControllerProcEntry); remove_proc_entry("current_status", Controller->ControllerProcEntry); remove_proc_entry("user_command", Controller->ControllerProcEntry); remove_proc_entry(Controller->ControllerName, DAC960_ProcDirectoryEntry); Controller->ControllerProcEntry = NULL; }

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andrew mortonandrew morton4675.41%125.00%
pre-gitpre-git1219.67%250.00%
alan coxalan cox34.92%125.00%
Total61100.00%4100.00%

#ifdef DAC960_GAM_MINOR /* * DAC960_gam_ioctl is the ioctl function for performing RAID operations. */
static long DAC960_gam_ioctl(struct file *file, unsigned int Request, unsigned long Argument) { long ErrorCode = 0; if (!capable(CAP_SYS_ADMIN)) return -EACCES; mutex_lock(&DAC960_mutex); switch (Request) { case DAC960_IOCTL_GET_CONTROLLER_COUNT: ErrorCode = DAC960_ControllerCount; break; case DAC960_IOCTL_GET_CONTROLLER_INFO: { DAC960_ControllerInfo_T __user *UserSpaceControllerInfo = (DAC960_ControllerInfo_T __user *) Argument; DAC960_ControllerInfo_T ControllerInfo; DAC960_Controller_T *Controller; int ControllerNumber; if (UserSpaceControllerInfo == NULL) ErrorCode = -EINVAL; else ErrorCode = get_user(ControllerNumber, &UserSpaceControllerInfo->ControllerNumber); if (ErrorCode != 0) break; ErrorCode = -ENXIO; if (ControllerNumber < 0 || ControllerNumber > DAC960_ControllerCount - 1) { break; } Controller = DAC960_Controllers[ControllerNumber]; if (Controller == NULL) break; memset(&ControllerInfo, 0, sizeof(DAC960_ControllerInfo_T)); ControllerInfo.ControllerNumber = ControllerNumber; ControllerInfo.FirmwareType = Controller->FirmwareType; ControllerInfo.Channels = Controller->Channels; ControllerInfo.Targets = Controller->Targets; ControllerInfo.PCI_Bus = Controller->Bus; ControllerInfo.PCI_Device = Controller->Device; ControllerInfo.PCI_Function = Controller->Function; ControllerInfo.IRQ_Channel = Controller->IRQ_Channel; ControllerInfo.PCI_Address = Controller->PCI_Address; strcpy(ControllerInfo.ModelName, Controller->ModelName); strcpy(ControllerInfo.FirmwareVersion, Controller->FirmwareVersion); ErrorCode = (copy_to_user(UserSpaceControllerInfo, &ControllerInfo, sizeof(DAC960_ControllerInfo_T)) ? -EFAULT : 0); break; } case DAC960_IOCTL_V1_EXECUTE_COMMAND: { DAC960_V1_UserCommand_T __user *UserSpaceUserCommand = (DAC960_V1_UserCommand_T __user *) Argument; DAC960_V1_UserCommand_T UserCommand; DAC960_Controller_T *Controller; DAC960_Command_T *Command = NULL; DAC960_V1_CommandOpcode_T CommandOpcode; DAC960_V1_CommandStatus_T CommandStatus; DAC960_V1_DCDB_T DCDB; DAC960_V1_DCDB_T *DCDB_IOBUF = NULL; dma_addr_t DCDB_IOBUFDMA; unsigned long flags; int ControllerNumber, DataTransferLength; unsigned char *DataTransferBuffer = NULL; dma_addr_t DataTransferBufferDMA; if (UserSpaceUserCommand == NULL) { ErrorCode = -EINVAL; break; } if (copy_from_user(&UserCommand, UserSpaceUserCommand, sizeof(DAC960_V1_UserCommand_T))) { ErrorCode = -EFAULT; break; } ControllerNumber = UserCommand.ControllerNumber; ErrorCode = -ENXIO; if (ControllerNumber < 0 || ControllerNumber > DAC960_ControllerCount - 1) break; Controller = DAC960_Controllers[ControllerNumber]; if (Controller == NULL) break; ErrorCode = -EINVAL; if (Controller->FirmwareType != DAC960_V1_Controller) break; CommandOpcode = UserCommand.CommandMailbox.Common.CommandOpcode; DataTransferLength = UserCommand.DataTransferLength; if (CommandOpcode & 0x80) break; if (CommandOpcode == DAC960_V1_DCDB) { if (copy_from_user(&DCDB, UserCommand.DCDB, sizeof(DAC960_V1_DCDB_T))) { ErrorCode = -EFAULT; break; } if (DCDB.Channel >= DAC960_V1_MaxChannels) break; if (!((DataTransferLength == 0 && DCDB.Direction == DAC960_V1_DCDB_NoDataTransfer) || (DataTransferLength > 0 && DCDB.Direction == DAC960_V1_DCDB_DataTransferDeviceToSystem) || (DataTransferLength < 0 && DCDB.Direction == DAC960_V1_DCDB_DataTransferSystemToDevice))) break; if (((DCDB.TransferLengthHigh4 << 16) | DCDB.TransferLength) != abs(DataTransferLength)) break; DCDB_IOBUF = pci_alloc_consistent(Controller->PCIDevice, sizeof(DAC960_V1_DCDB_T), &DCDB_IOBUFDMA); if (DCDB_IOBUF == NULL) { ErrorCode = -ENOMEM; break; } } ErrorCode = -ENOMEM; if (DataTransferLength > 0) { DataTransferBuffer = pci_zalloc_consistent(Controller->PCIDevice, DataTransferLength, &DataTransferBufferDMA); if (DataTransferBuffer == NULL) break; } else if (DataTransferLength < 0) { DataTransferBuffer = pci_alloc_consistent(Controller->PCIDevice, -DataTransferLength, &DataTransferBufferDMA); if (DataTransferBuffer == NULL) break; if (copy_from_user(DataTransferBuffer, UserCommand.DataTransferBuffer, -DataTransferLength)) { ErrorCode = -EFAULT; break; } } if (CommandOpcode == DAC960_V1_DCDB) { spin_lock_irqsave(&Controller->queue_lock, flags); while ((Command = DAC960_AllocateCommand(Controller)) == NULL) DAC960_WaitForCommand(Controller); while (Controller->V1.DirectCommandActive[DCDB.Channel] [DCDB.TargetID]) { spin_unlock_irq(&Controller->queue_lock); __wait_event(Controller->CommandWaitQueue, !Controller->V1.DirectCommandActive [DCDB.Channel][DCDB.TargetID]); spin_lock_irq(&Controller->queue_lock); } Controller->V1.DirectCommandActive[DCDB.Channel] [DCDB.TargetID] = true; spin_unlock_irqrestore(&Controller->queue_lock, flags); DAC960_V1_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; memcpy(&Command->V1.CommandMailbox, &UserCommand.CommandMailbox, sizeof(DAC960_V1_CommandMailbox_T)); Command->V1.CommandMailbox.Type3.BusAddress = DCDB_IOBUFDMA; DCDB.BusAddress = DataTransferBufferDMA; memcpy(DCDB_IOBUF, &DCDB, sizeof(DAC960_V1_DCDB_T)); } else { spin_lock_irqsave(&Controller->queue_lock, flags); while ((Command = DAC960_AllocateCommand(Controller)) == NULL) DAC960_WaitForCommand(Controller); spin_unlock_irqrestore(&Controller->queue_lock, flags); DAC960_V1_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; memcpy(&Command->V1.CommandMailbox, &UserCommand.CommandMailbox, sizeof(DAC960_V1_CommandMailbox_T)); if (DataTransferBuffer != NULL) Command->V1.CommandMailbox.Type3.BusAddress = DataTransferBufferDMA; } DAC960_ExecuteCommand(Command); CommandStatus = Command->V1.CommandStatus; spin_lock_irqsave(&Controller->queue_lock, flags); DAC960_DeallocateCommand(Command); spin_unlock_irqrestore(&Controller->queue_lock, flags); if (DataTransferLength > 0) { if (copy_to_user(UserCommand.DataTransferBuffer, DataTransferBuffer, DataTransferLength)) { ErrorCode = -EFAULT; goto Failure1; } } if (CommandOpcode == DAC960_V1_DCDB) { /* I don't believe Target or Channel in the DCDB_IOBUF should be any different from the contents of DCDB. */ Controller->V1.DirectCommandActive[DCDB.Channel] [DCDB.TargetID] = false; if (copy_to_user(UserCommand.DCDB, DCDB_IOBUF, sizeof(DAC960_V1_DCDB_T))) { ErrorCode = -EFAULT; goto Failure1; } } ErrorCode = CommandStatus; Failure1: if (DataTransferBuffer != NULL) pci_free_consistent(Controller->PCIDevice, abs(DataTransferLength), DataTransferBuffer, DataTransferBufferDMA); if (DCDB_IOBUF != NULL) pci_free_consistent(Controller->PCIDevice, sizeof(DAC960_V1_DCDB_T), DCDB_IOBUF, DCDB_IOBUFDMA); break; } case DAC960_IOCTL_V2_EXECUTE_COMMAND: { DAC960_V2_UserCommand_T __user *UserSpaceUserCommand = (DAC960_V2_UserCommand_T __user *) Argument; DAC960_V2_UserCommand_T UserCommand; DAC960_Controller_T *Controller; DAC960_Command_T *Command = NULL; DAC960_V2_CommandMailbox_T *CommandMailbox; DAC960_V2_CommandStatus_T CommandStatus; unsigned long flags; int ControllerNumber, DataTransferLength; int DataTransferResidue, RequestSenseLength; unsigned char *DataTransferBuffer = NULL; dma_addr_t DataTransferBufferDMA; unsigned char *RequestSenseBuffer = NULL; dma_addr_t RequestSenseBufferDMA; ErrorCode = -EINVAL; if (UserSpaceUserCommand == NULL) break; if (copy_from_user(&UserCommand, UserSpaceUserCommand, sizeof(DAC960_V2_UserCommand_T))) { ErrorCode = -EFAULT; break; } ErrorCode = -ENXIO; ControllerNumber = UserCommand.ControllerNumber; if (ControllerNumber < 0 || ControllerNumber > DAC960_ControllerCount - 1) break; Controller = DAC960_Controllers[ControllerNumber]; if (Controller == NULL) break; if (Controller->FirmwareType != DAC960_V2_Controller){ ErrorCode = -EINVAL; break; } DataTransferLength = UserCommand.DataTransferLength; ErrorCode = -ENOMEM; if (DataTransferLength > 0) { DataTransferBuffer = pci_zalloc_consistent(Controller->PCIDevice, DataTransferLength, &DataTransferBufferDMA); if (DataTransferBuffer == NULL) break; } else if (DataTransferLength < 0) { DataTransferBuffer = pci_alloc_consistent(Controller->PCIDevice, -DataTransferLength, &DataTransferBufferDMA); if (DataTransferBuffer == NULL) break; if (copy_from_user(DataTransferBuffer, UserCommand.DataTransferBuffer, -DataTransferLength)) { ErrorCode = -EFAULT; goto Failure2; } } RequestSenseLength = UserCommand.RequestSenseLength; if (RequestSenseLength > 0) { RequestSenseBuffer = pci_zalloc_consistent(Controller->PCIDevice, RequestSenseLength, &RequestSenseBufferDMA); if (RequestSenseBuffer == NULL) { ErrorCode = -ENOMEM; goto Failure2; } } spin_lock_irqsave(&Controller->queue_lock, flags); while ((Command = DAC960_AllocateCommand(Controller)) == NULL) DAC960_WaitForCommand(Controller); spin_unlock_irqrestore(&Controller->queue_lock, flags); DAC960_V2_ClearCommand(Command); Command->CommandType = DAC960_ImmediateCommand; CommandMailbox = &Command->V2.CommandMailbox; memcpy(CommandMailbox, &UserCommand.CommandMailbox, sizeof(DAC960_V2_CommandMailbox_T)); CommandMailbox->Common.CommandControlBits .AdditionalScatterGatherListMemory = false; CommandMailbox->Common.CommandControlBits .NoAutoRequestSense = true; CommandMailbox->Common.DataTransferSize = 0; CommandMailbox->Common.DataTransferPageNumber = 0; memset(&CommandMailbox->Common.DataTransferMemoryAddress, 0, sizeof(DAC960_V2_DataTransferMemoryAddress_T)); if (DataTransferLength != 0) { if (DataTransferLength > 0) { CommandMailbox->Common.CommandControlBits .DataTransferControllerToHost = true; CommandMailbox->Common.DataTransferSize = DataTransferLength; } else { CommandMailbox->Common.CommandControlBits .DataTransferControllerToHost = false; CommandMailbox->Common.DataTransferSize = -DataTransferLength; } CommandMailbox->Common.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentDataPointer = DataTransferBufferDMA; CommandMailbox->Common.DataTransferMemoryAddress .ScatterGatherSegments[0] .SegmentByteCount = CommandMailbox->Common.DataTransferSize; } if (RequestSenseLength > 0) { CommandMailbox->Common.CommandControlBits .NoAutoRequestSense = false; CommandMailbox->Common.RequestSenseSize = RequestSenseLength; CommandMailbox->Common.RequestSenseBusAddress = RequestSenseBufferDMA; } DAC960_ExecuteCommand(Command); CommandStatus = Command->V2.CommandStatus; RequestSenseLength = Command->V2.RequestSenseLength; DataTransferResidue = Command->V2.DataTransferResidue; spin_lock_irqsave(&Controller->queue_lock, flags); DAC960_DeallocateCommand(Command); spin_unlock_irqrestore(&Controller->queue_lock, flags); if (RequestSenseLength > UserCommand.RequestSenseLength) RequestSenseLength = UserCommand.RequestSenseLength; if (copy_to_user(&UserSpaceUserCommand->DataTransferLength, &DataTransferResidue, sizeof(DataTransferResidue))) { ErrorCode = -EFAULT; goto Failure2; } if (copy_to_user(&UserSpaceUserCommand->RequestSenseLength, &RequestSenseLength, sizeof(RequestSenseLength))) { ErrorCode = -EFAULT; goto Failure2; } if (DataTransferLength > 0) { if (copy_to_user(UserCommand.DataTransferBuffer, DataTransferBuffer, DataTransferLength)) { ErrorCode = -EFAULT; goto Failure2; } } if (RequestSenseLength > 0) { if (copy_to_user(UserCommand.RequestSenseBuffer, RequestSenseBuffer, RequestSenseLength)) { ErrorCode = -EFAULT; goto Failure2; } } ErrorCode = CommandStatus; Failure2: pci_free_consistent(Controller->PCIDevice, abs(DataTransferLength), DataTransferBuffer, DataTransferBufferDMA); if (RequestSenseBuffer != NULL) pci_free_consistent(Controller->PCIDevice, RequestSenseLength, RequestSenseBuffer, RequestSenseBufferDMA); break; } case DAC960_IOCTL_V2_GET_HEALTH_STATUS: { DAC960_V2_GetHealthStatus_T __user *UserSpaceGetHealthStatus = (DAC960_V2_GetHealthStatus_T __user *) Argument; DAC960_V2_GetHealthStatus_T GetHealthStatus; DAC960_V2_HealthStatusBuffer_T HealthStatusBuffer; DAC960_Controller_T *Controller; int ControllerNumber; if (UserSpaceGetHealthStatus == NULL) { ErrorCode = -EINVAL; break; } if (copy_from_user(&GetHealthStatus, UserSpaceGetHealthStatus, sizeof(DAC960_V2_GetHealthStatus_T))) { ErrorCode = -EFAULT; break; } ErrorCode = -ENXIO; ControllerNumber = GetHealthStatus.ControllerNumber; if (ControllerNumber < 0 || ControllerNumber > DAC960_ControllerCount - 1) break; Controller = DAC960_Controllers[ControllerNumber]; if (Controller == NULL) break; if (Controller->FirmwareType != DAC960_V2_Controller) { ErrorCode = -EINVAL; break; } if (copy_from_user(&HealthStatusBuffer, GetHealthStatus.HealthStatusBuffer, sizeof(DAC960_V2_HealthStatusBuffer_T))) { ErrorCode = -EFAULT; break; } ErrorCode = wait_event_interruptible_timeout(Controller->HealthStatusWaitQueue, !(Controller->V2.HealthStatusBuffer->StatusChangeCounter == HealthStatusBuffer.StatusChangeCounter && Controller->V2.HealthStatusBuffer->NextEventSequenceNumber == HealthStatusBuffer.NextEventSequenceNumber), DAC960_MonitoringTimerInterval); if (ErrorCode == -ERESTARTSYS) { ErrorCode = -EINTR; break; } if (copy_to_user(GetHealthStatus.HealthStatusBuffer, Controller->V2.HealthStatusBuffer, sizeof(DAC960_V2_HealthStatusBuffer_T))) ErrorCode = -EFAULT; else ErrorCode = 0; } break; default: ErrorCode = -ENOTTY; } mutex_unlock(&DAC960_mutex); return ErrorCode; }

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andrew mortonandrew morton146668.19%214.29%
pre-gitpre-git37917.63%428.57%
alan coxalan cox21510.00%214.29%
linus torvaldslinus torvalds532.47%17.14%
arnd bergmannarnd bergmann251.16%214.29%
al viroal viro80.37%17.14%
joe perchesjoe perches30.14%17.14%
dan carpenterdan carpenter10.05%17.14%
Total2150100.00%14100.00%

static const struct file_operations DAC960_gam_fops = { .owner = THIS_MODULE, .unlocked_ioctl = DAC960_gam_ioctl, .llseek = noop_llseek, }; static struct miscdevice DAC960_gam_dev = { DAC960_GAM_MINOR, "dac960_gam", &DAC960_gam_fops };
static int DAC960_gam_init(void) { int ret; ret = misc_register(&DAC960_gam_dev); if (ret) printk(KERN_ERR "DAC960_gam: can't misc_register on minor %d\n", DAC960_GAM_MINOR); return ret; }

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andrew mortonandrew morton2367.65%133.33%
alan coxalan cox720.59%133.33%
pre-gitpre-git411.76%133.33%
Total34100.00%3100.00%


static void DAC960_gam_cleanup(void) { misc_deregister(&DAC960_gam_dev); }

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andrew mortonandrew morton1071.43%133.33%
alan coxalan cox321.43%133.33%
pre-gitpre-git17.14%133.33%
Total14100.00%3100.00%

#endif /* DAC960_GAM_MINOR */ static struct DAC960_privdata DAC960_GEM_privdata = { .HardwareType = DAC960_GEM_Controller, .FirmwareType = DAC960_V2_Controller, .InterruptHandler = DAC960_GEM_InterruptHandler, .MemoryWindowSize = DAC960_GEM_RegisterWindowSize, }; static struct DAC960_privdata DAC960_BA_privdata = { .HardwareType = DAC960_BA_Controller, .FirmwareType = DAC960_V2_Controller, .InterruptHandler = DAC960_BA_InterruptHandler, .MemoryWindowSize = DAC960_BA_RegisterWindowSize, }; static struct DAC960_privdata DAC960_LP_privdata = { .HardwareType = DAC960_LP_Controller, .FirmwareType = DAC960_V2_Controller, .InterruptHandler = DAC960_LP_InterruptHandler, .MemoryWindowSize = DAC960_LP_RegisterWindowSize, }; static struct DAC960_privdata DAC960_LA_privdata = { .HardwareType = DAC960_LA_Controller, .FirmwareType = DAC960_V1_Controller, .InterruptHandler = DAC960_LA_InterruptHandler, .MemoryWindowSize = DAC960_LA_RegisterWindowSize, }; static struct DAC960_privdata DAC960_PG_privdata = { .HardwareType = DAC960_PG_Controller, .FirmwareType = DAC960_V1_Controller, .InterruptHandler = DAC960_PG_InterruptHandler, .MemoryWindowSize = DAC960_PG_RegisterWindowSize, }; static struct DAC960_privdata DAC960_PD_privdata = { .HardwareType = DAC960_PD_Controller, .FirmwareType = DAC960_V1_Controller, .InterruptHandler = DAC960_PD_InterruptHandler, .MemoryWindowSize = DAC960_PD_RegisterWindowSize, }; static struct DAC960_privdata DAC960_P_privdata = { .HardwareType = DAC960_P_Controller, .FirmwareType = DAC960_V1_Controller, .InterruptHandler = DAC960_P_InterruptHandler, .MemoryWindowSize = DAC960_PD_RegisterWindowSize, }; static const struct pci_device_id DAC960_id_table[] = { { .vendor = PCI_VENDOR_ID_MYLEX, .device = PCI_DEVICE_ID_MYLEX_DAC960_GEM, .subvendor = PCI_VENDOR_ID_MYLEX, .subdevice = PCI_ANY_ID, .driver_data = (unsigned long) &DAC960_GEM_privdata, }, { .vendor = PCI_VENDOR_ID_MYLEX, .device = PCI_DEVICE_ID_MYLEX_DAC960_BA, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, .driver_data = (unsigned long) &DAC960_BA_privdata, }, { .vendor = PCI_VENDOR_ID_MYLEX, .device = PCI_DEVICE_ID_MYLEX_DAC960_LP, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, .driver_data = (unsigned long) &DAC960_LP_privdata, }, { .vendor = PCI_VENDOR_ID_DEC, .device = PCI_DEVICE_ID_DEC_21285, .subvendor = PCI_VENDOR_ID_MYLEX, .subdevice = PCI_DEVICE_ID_MYLEX_DAC960_LA, .driver_data = (unsigned long) &DAC960_LA_privdata, }, { .vendor = PCI_VENDOR_ID_MYLEX, .device = PCI_DEVICE_ID_MYLEX_DAC960_PG, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, .driver_data = (unsigned long) &DAC960_PG_privdata, }, { .vendor = PCI_VENDOR_ID_MYLEX, .device = PCI_DEVICE_ID_MYLEX_DAC960_PD, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, .driver_data = (unsigned long) &DAC960_PD_privdata, }, { .vendor = PCI_VENDOR_ID_MYLEX, .device = PCI_DEVICE_ID_MYLEX_DAC960_P, .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, .driver_data = (unsigned long) &DAC960_P_privdata, }, {0, }, }; MODULE_DEVICE_TABLE(pci, DAC960_id_table); static struct pci_driver DAC960_pci_driver = { .name = "DAC960", .id_table = DAC960_id_table, .probe = DAC960_Probe, .remove = DAC960_Remove, };
static int __init DAC960_init_module(void) { int ret; ret = pci_register_driver(&DAC960_pci_driver); #ifdef DAC960_GAM_MINOR if (!ret) DAC960_gam_init(); #endif return ret; }

Contributors

PersonTokensPropCommitsCommitProp
andrew mortonandrew morton2158.33%120.00%
alan coxalan cox1233.33%120.00%
pre-gitpre-git12.78%120.00%
richard knutssonrichard knutsson12.78%120.00%
peter huewepeter huewe12.78%120.00%
Total36100.00%5100.00%


static void __exit DAC960_cleanup_module(void) { int i; #ifdef DAC960_GAM_MINOR DAC960_gam_cleanup(); #endif for (i = 0; i < DAC960_ControllerCount; i++) { DAC960_Controller_T *Controller = DAC960_Controllers[i]; if (Controller == NULL) continue; DAC960_FinalizeController(Controller); } if (DAC960_ProcDirectoryEntry != NULL) { remove_proc_entry("rd/status", NULL); remove_proc_entry("rd", NULL); } DAC960_ControllerCount = 0; pci_unregister_driver(&DAC960_pci_driver); }

Contributors

PersonTokensPropCommitsCommitProp
pre-gitpre-git5461.36%240.00%
alan coxalan cox2528.41%120.00%
andrew mortonandrew morton89.09%120.00%
peter huewepeter huewe11.14%120.00%
Total88100.00%5100.00%

module_init(DAC960_init_module); module_exit(DAC960_cleanup_module); MODULE_LICENSE("GPL");

Overall Contributors

PersonTokensPropCommitsCommitProp
andrew mortonandrew morton1580448.62%1515.00%
alan coxalan cox797224.53%22.00%
pre-gitpre-git659120.28%1111.00%
linus torvaldslinus torvalds7142.20%77.00%
christoph hellwigchristoph hellwig6301.94%22.00%
alexey dobriyanalexey dobriyan3120.96%33.00%
arnd bergmannarnd bergmann820.25%44.00%
al viroal viro810.25%1212.00%
jens axboejens axboe420.13%44.00%
richard knutssonrichard knutsson370.11%22.00%
danny kukawkadanny kukawka290.09%22.00%
dave jonesdave jones260.08%22.00%
matthew wilcoxmatthew wilcox250.08%11.00%
yang hongyangyang hongyang240.07%22.00%
marcelo feitoza parisimarcelo feitoza parisi230.07%11.00%
tejun heotejun heo200.06%33.00%
arnaldo carvalho de meloarnaldo carvalho de melo130.04%11.00%
kiyoshi uedakiyoshi ueda120.04%11.00%
jesper juhljesper juhl110.03%11.00%
william stinsonwilliam stinson90.03%11.00%
bjorn helgaasbjorn helgaas60.02%11.00%
thomas gleixnerthomas gleixner50.02%22.00%
eric sesterhenneric sesterhenn50.02%22.00%
michael bueschmichael buesch40.01%11.00%
joe perchesjoe perches30.01%11.00%
dave oliendave olien30.01%11.00%
matt mackallmatt mackall30.01%11.00%
ralf baechleralf baechle30.01%11.00%
martin k. petersenmartin k. petersen20.01%22.00%
christoph lameterchristoph lameter20.01%11.00%
peter huewepeter huewe20.01%11.00%
david howellsdavid howells20.01%11.00%
dan carpenterdan carpenter10.00%11.00%
marton nemethmarton nemeth10.00%11.00%
brian kingbrian king10.00%11.00%
lucas de marchilucas de marchi10.00%11.00%
arjan van de venarjan van de ven10.00%11.00%
tobias klausertobias klauser10.00%11.00%
peter zijlstrapeter zijlstra10.00%11.00%
julia lawalljulia lawall10.00%11.00%
Total32505100.00%100100.00%
Directory: drivers/block
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