Release 4.7 drivers/scsi/aic7xxx/aic79xx_osm.h
  
  
/*
 * Adaptec AIC79xx device driver for Linux.
 *
 * Copyright (c) 2000-2001 Adaptec Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions, and the following disclaimer,
 *    without modification.
 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
 *    substantially similar to the "NO WARRANTY" disclaimer below
 *    ("Disclaimer") and any redistribution must be conditioned upon
 *    including a substantially similar Disclaimer requirement for further
 *    binary redistribution.
 * 3. Neither the names of the above-listed copyright holders nor the names
 *    of any contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * Alternatively, this software may be distributed under the terms of the
 * GNU General Public License ("GPL") version 2 as published by the Free
 * Software Foundation.
 *
 * NO WARRANTY
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGES.
 *
 * $Id: //depot/aic7xxx/linux/drivers/scsi/aic7xxx/aic79xx_osm.h#166 $
 *
 */
#ifndef _AIC79XX_LINUX_H_
#define _AIC79XX_LINUX_H_
#include <linux/types.h>
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/ioport.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <asm/byteorder.h>
#include <asm/io.h>
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_transport.h>
#include <scsi/scsi_transport_spi.h>
/* Core SCSI definitions */
#define AIC_LIB_PREFIX ahd
#include "cam.h"
#include "queue.h"
#include "scsi_message.h"
#include "scsi_iu.h"
#include "aiclib.h"
/*********************************** Debugging ********************************/
#ifdef CONFIG_AIC79XX_DEBUG_ENABLE
#ifdef CONFIG_AIC79XX_DEBUG_MASK
#define AHD_DEBUG 1
#define AHD_DEBUG_OPTS CONFIG_AIC79XX_DEBUG_MASK
#else
/*
 * Compile in debugging code, but do not enable any printfs.
 */
#define AHD_DEBUG 1
#define AHD_DEBUG_OPTS 0
#endif
/* No debugging code. */
#endif
/********************************** Misc Macros *******************************/
#define	powerof2(x)	((((x)-1)&(x))==0)
/************************* Forward Declarations *******************************/
struct ahd_softc;
typedef struct pci_dev *ahd_dev_softc_t;
typedef struct scsi_cmnd      *ahd_io_ctx_t;
/******************************* Byte Order ***********************************/
#define ahd_htobe16(x)	cpu_to_be16(x)
#define ahd_htobe32(x)	cpu_to_be32(x)
#define ahd_htobe64(x)	cpu_to_be64(x)
#define ahd_htole16(x)	cpu_to_le16(x)
#define ahd_htole32(x)	cpu_to_le32(x)
#define ahd_htole64(x)	cpu_to_le64(x)
#define ahd_be16toh(x)	be16_to_cpu(x)
#define ahd_be32toh(x)	be32_to_cpu(x)
#define ahd_be64toh(x)	be64_to_cpu(x)
#define ahd_le16toh(x)	le16_to_cpu(x)
#define ahd_le32toh(x)	le32_to_cpu(x)
#define ahd_le64toh(x)	le64_to_cpu(x)
/************************* Configuration Data *********************************/
extern uint32_t aic79xx_allow_memio;
extern struct scsi_host_template aic79xx_driver_template;
/***************************** Bus Space/DMA **********************************/
typedef uint32_t bus_size_t;
typedef enum {
	
BUS_SPACE_MEMIO,
	
BUS_SPACE_PIO
} 
bus_space_tag_t;
typedef union {
	
u_long		  ioport;
	
volatile uint8_t __iomem *maddr;
} 
bus_space_handle_t;
typedef struct bus_dma_segment
{
	
dma_addr_t	ds_addr;
	
bus_size_t	ds_len;
} 
bus_dma_segment_t;
struct ahd_linux_dma_tag
{
	
bus_size_t	alignment;
	
bus_size_t	boundary;
	
bus_size_t	maxsize;
};
typedef struct ahd_linux_dma_tag* bus_dma_tag_t;
typedef dma_addr_t bus_dmamap_t;
typedef int bus_dma_filter_t(void*, dma_addr_t);
typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int);
#define BUS_DMA_WAITOK		0x0
#define BUS_DMA_NOWAIT		0x1
#define BUS_DMA_ALLOCNOW	0x2
#define BUS_DMA_LOAD_SEGS	0x4	
/*
                                         * Argument is an S/G list not
                                         * a single buffer.
                                         */
#define BUS_SPACE_MAXADDR	0xFFFFFFFF
#define BUS_SPACE_MAXADDR_32BIT	0xFFFFFFFF
#define BUS_SPACE_MAXSIZE_32BIT	0xFFFFFFFF
int	ahd_dma_tag_create(struct ahd_softc *, bus_dma_tag_t /*parent*/,
			   bus_size_t /*alignment*/, bus_size_t /*boundary*/,
			   dma_addr_t /*lowaddr*/, dma_addr_t /*highaddr*/,
			   bus_dma_filter_t*/*filter*/, void */*filterarg*/,
			   bus_size_t /*maxsize*/, int /*nsegments*/,
			   bus_size_t /*maxsegsz*/, int /*flags*/,
			   bus_dma_tag_t */*dma_tagp*/);
void	ahd_dma_tag_destroy(struct ahd_softc *, bus_dma_tag_t /*tag*/);
int	ahd_dmamem_alloc(struct ahd_softc *, bus_dma_tag_t /*dmat*/,
			 void** /*vaddr*/, int /*flags*/,
			 bus_dmamap_t* /*mapp*/);
void	ahd_dmamem_free(struct ahd_softc *, bus_dma_tag_t /*dmat*/,
			void* /*vaddr*/, bus_dmamap_t /*map*/);
void	ahd_dmamap_destroy(struct ahd_softc *, bus_dma_tag_t /*tag*/,
			   bus_dmamap_t /*map*/);
int	ahd_dmamap_load(struct ahd_softc *ahd, bus_dma_tag_t /*dmat*/,
			bus_dmamap_t /*map*/, void * /*buf*/,
			bus_size_t /*buflen*/, bus_dmamap_callback_t *,
			void */*callback_arg*/, int /*flags*/);
int	ahd_dmamap_unload(struct ahd_softc *, bus_dma_tag_t, bus_dmamap_t);
/*
 * Operations performed by ahd_dmamap_sync().
 */
#define BUS_DMASYNC_PREREAD	0x01	
/* pre-read synchronization */
#define BUS_DMASYNC_POSTREAD	0x02	
/* post-read synchronization */
#define BUS_DMASYNC_PREWRITE	0x04	
/* pre-write synchronization */
#define BUS_DMASYNC_POSTWRITE	0x08	
/* post-write synchronization */
/*
 * XXX
 * ahd_dmamap_sync is only used on buffers allocated with
 * the pci_alloc_consistent() API.  Although I'm not sure how
 * this works on architectures with a write buffer, Linux does
 * not have an API to sync "coherent" memory.  Perhaps we need
 * to do an mb()?
 */
#define ahd_dmamap_sync(ahd, dma_tag, dmamap, offset, len, op)
/************************** Timer DataStructures ******************************/
typedef struct timer_list ahd_timer_t;
/********************************** Includes **********************************/
#ifdef CONFIG_AIC79XX_REG_PRETTY_PRINT
#define AIC_DEBUG_REGISTERS 1
#else
#define AIC_DEBUG_REGISTERS 0
#endif
#include "aic79xx.h"
/***************************** Timer Facilities *******************************/
#define ahd_timer_init init_timer
#define ahd_timer_stop del_timer_sync
/***************************** SMP support ************************************/
#include <linux/spinlock.h>
#define AIC79XX_DRIVER_VERSION "3.0"
/*************************** Device Data Structures ***************************/
/*
 * A per probed device structure used to deal with some error recovery
 * scenarios that the Linux mid-layer code just doesn't know how to
 * handle.  The structure allocated for a device only becomes persistent
 * after a successfully completed inquiry command to the target when
 * that inquiry data indicates a lun is present.
 */
typedef enum {
	
AHD_DEV_FREEZE_TIL_EMPTY = 0x02, /* Freeze queue until active == 0 */
	
AHD_DEV_Q_BASIC		 = 0x10, /* Allow basic device queuing */
	
AHD_DEV_Q_TAGGED	 = 0x20, /* Allow full SCSI2 command queueing */
	
AHD_DEV_PERIODIC_OTAG	 = 0x40, /* Send OTAG to prevent starvation */
} 
ahd_linux_dev_flags;
struct ahd_linux_device {
	TAILQ_ENTRY(ahd_linux_device) links;
	/*
         * The number of transactions currently
         * queued to the device.
         */
	
int			active;
	/*
         * The currently allowed number of 
         * transactions that can be queued to
         * the device.  Must be signed for
         * conversion from tagged to untagged
         * mode where the device may have more
         * than one outstanding active transaction.
         */
	
int			openings;
	/*
         * A positive count indicates that this
         * device's queue is halted.
         */
	
u_int			qfrozen;
	
	/*
         * Cumulative command counter.
         */
	
u_long			commands_issued;
	/*
         * The number of tagged transactions when
         * running at our current opening level
         * that have been successfully received by
         * this device since the last QUEUE FULL.
         */
	
u_int			tag_success_count;
#define AHD_TAG_SUCCESS_INTERVAL 50
	
ahd_linux_dev_flags	flags;
	/*
         * Per device timer.
         */
	
struct timer_list	timer;
	/*
         * The high limit for the tags variable.
         */
	
u_int			maxtags;
	/*
         * The computed number of tags outstanding
         * at the time of the last QUEUE FULL event.
         */
	
u_int			tags_on_last_queuefull;
	/*
         * How many times we have seen a queue full
         * with the same number of tags.  This is used
         * to stop our adaptive queue depth algorithm
         * on devices with a fixed number of tags.
         */
	
u_int			last_queuefull_same_count;
#define AHD_LOCK_TAGS_COUNT 50
	/*
         * How many transactions have been queued
         * without the device going idle.  We use
         * this statistic to determine when to issue
         * an ordered tag to prevent transaction
         * starvation.  This statistic is only updated
         * if the AHD_DEV_PERIODIC_OTAG flag is set
         * on this device.
         */
	
u_int			commands_since_idle_or_otag;
#define AHD_OTAG_THRESH	500
};
/********************* Definitions Required by the Core ***********************/
/*
 * Number of SG segments we require.  So long as the S/G segments for
 * a particular transaction are allocated in a physically contiguous
 * manner and are allocated below 4GB, the number of S/G segments is
 * unrestricted.
 */
#define	AHD_NSEG 128
/*
 * Per-SCB OSM storage.
 */
struct scb_platform_data {
	
struct ahd_linux_device	*dev;
	
dma_addr_t		 buf_busaddr;
	
uint32_t		 xfer_len;
	
uint32_t		 sense_resid;	/* Auto-Sense residual */
};
/*
 * Define a structure used for each host adapter.  All members are
 * aligned on a boundary >= the size of the member to honor the
 * alignment restrictions of the various platforms supported by
 * this driver.
 */
struct ahd_platform_data {
	/*
         * Fields accessed from interrupt context.
         */
	
struct scsi_target *starget[AHD_NUM_TARGETS]; 
	
spinlock_t		 spin_lock;
	
struct completion	*eh_done;
	
struct Scsi_Host        *host;		/* pointer to scsi host */
#define AHD_LINUX_NOIRQ	((uint32_t)~0)
	
uint32_t		 irq;		/* IRQ for this adapter */
	
uint32_t		 bios_address;
	
resource_size_t		 mem_busaddr;	/* Mem Base Addr */
};
void ahd_delay(long);
/***************************** Low Level I/O **********************************/
uint8_t ahd_inb(struct ahd_softc * ahd, long port);
void ahd_outb(struct ahd_softc * ahd, long port, uint8_t val);
void ahd_outw_atomic(struct ahd_softc * ahd,
				     long port, uint16_t val);
void ahd_outsb(struct ahd_softc * ahd, long port,
			       uint8_t *, int count);
void ahd_insb(struct ahd_softc * ahd, long port,
			       uint8_t *, int count);
/**************************** Initialization **********************************/
int		ahd_linux_register_host(struct ahd_softc *,
					struct scsi_host_template *);
/******************************** Locking *************************************/
static inline void
ahd_lockinit(struct ahd_softc *ahd)
{
	spin_lock_init(&ahd->platform_data->spin_lock);
}
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static inline void
ahd_lock(struct ahd_softc *ahd, unsigned long *flags)
{
	spin_lock_irqsave(&ahd->platform_data->spin_lock, *flags);
}
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static inline void
ahd_unlock(struct ahd_softc *ahd, unsigned long *flags)
{
	spin_unlock_irqrestore(&ahd->platform_data->spin_lock, *flags);
}
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/******************************* PCI Definitions ******************************/
/*
 * PCIM_xxx: mask to locate subfield in register
 * PCIR_xxx: config register offset
 * PCIC_xxx: device class
 * PCIS_xxx: device subclass
 * PCIP_xxx: device programming interface
 * PCIV_xxx: PCI vendor ID (only required to fixup ancient devices)
 * PCID_xxx: device ID
 */
#define PCIR_DEVVENDOR		0x00
#define PCIR_VENDOR		0x00
#define PCIR_DEVICE		0x02
#define PCIR_COMMAND		0x04
#define PCIM_CMD_PORTEN		0x0001
#define PCIM_CMD_MEMEN		0x0002
#define PCIM_CMD_BUSMASTEREN	0x0004
#define PCIM_CMD_MWRICEN	0x0010
#define PCIM_CMD_PERRESPEN	0x0040
#define	PCIM_CMD_SERRESPEN	0x0100
#define PCIR_STATUS		0x06
#define PCIR_REVID		0x08
#define PCIR_PROGIF		0x09
#define PCIR_SUBCLASS		0x0a
#define PCIR_CLASS		0x0b
#define PCIR_CACHELNSZ		0x0c
#define PCIR_LATTIMER		0x0d
#define PCIR_HEADERTYPE		0x0e
#define PCIM_MFDEV		0x80
#define PCIR_BIST		0x0f
#define PCIR_CAP_PTR		0x34
/* config registers for header type 0 devices */
#define PCIR_MAPS	0x10
#define PCIR_SUBVEND_0	0x2c
#define PCIR_SUBDEV_0	0x2e
/****************************** PCI-X definitions *****************************/
#define PCIXR_COMMAND	0x96
#define PCIXR_DEVADDR	0x98
#define PCIXM_DEVADDR_FNUM	0x0003	
/* Function Number */
#define PCIXM_DEVADDR_DNUM	0x00F8	
/* Device Number */
#define PCIXM_DEVADDR_BNUM	0xFF00	
/* Bus Number */
#define PCIXR_STATUS	0x9A
#define PCIXM_STATUS_64BIT	0x0001	
/* Active 64bit connection to device. */
#define PCIXM_STATUS_133CAP	0x0002	
/* Device is 133MHz capable */
#define PCIXM_STATUS_SCDISC	0x0004	
/* Split Completion Discarded */
#define PCIXM_STATUS_UNEXPSC	0x0008	
/* Unexpected Split Completion */
#define PCIXM_STATUS_CMPLEXDEV	0x0010	
/* Device Complexity (set == bridge) */
#define PCIXM_STATUS_MAXMRDBC	0x0060	
/* Maximum Burst Read Count */
#define PCIXM_STATUS_MAXSPLITS	0x0380	
/* Maximum Split Transactions */
#define PCIXM_STATUS_MAXCRDS	0x1C00	
/* Maximum Cumulative Read Size */
#define PCIXM_STATUS_RCVDSCEM	0x2000	
/* Received a Split Comp w/Error msg */
typedef enum
{
	
AHD_POWER_STATE_D0,
	
AHD_POWER_STATE_D1,
	
AHD_POWER_STATE_D2,
	
AHD_POWER_STATE_D3
} 
ahd_power_state;
void ahd_power_state_change(struct ahd_softc *ahd,
			    ahd_power_state new_state);
/******************************* PCI Routines *********************************/
int			 ahd_linux_pci_init(void);
void			 ahd_linux_pci_exit(void);
int			 ahd_pci_map_registers(struct ahd_softc *ahd);
int			 ahd_pci_map_int(struct ahd_softc *ahd);
uint32_t		 ahd_pci_read_config(ahd_dev_softc_t pci,
					     int reg, int width);
void			 ahd_pci_write_config(ahd_dev_softc_t pci,
					  int reg, uint32_t value,
					  int width);
static inline int ahd_get_pci_function(ahd_dev_softc_t);
static inline int
ahd_get_pci_function(ahd_dev_softc_t pci)
{
	return (PCI_FUNC(pci->devfn));
}
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static inline int ahd_get_pci_slot(ahd_dev_softc_t);
static inline int
ahd_get_pci_slot(ahd_dev_softc_t pci)
{
	return (PCI_SLOT(pci->devfn));
}
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static inline int ahd_get_pci_bus(ahd_dev_softc_t);
static inline int
ahd_get_pci_bus(ahd_dev_softc_t pci)
{
	return (pci->bus->number);
}
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static inline void ahd_flush_device_writes(struct ahd_softc *);
static inline void
ahd_flush_device_writes(struct ahd_softc *ahd)
{
	/* XXX Is this sufficient for all architectures??? */
	ahd_inb(ahd, INTSTAT);
}
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/**************************** Proc FS Support *********************************/
int	ahd_proc_write_seeprom(struct Scsi_Host *, char *, int);
int	ahd_linux_show_info(struct seq_file *,struct Scsi_Host *);
/*********************** Transaction Access Wrappers **************************/
static inline void ahd_cmd_set_transaction_status(struct scsi_cmnd *, uint32_t);
static inline void ahd_set_transaction_status(struct scb *, uint32_t);
static inline void ahd_cmd_set_scsi_status(struct scsi_cmnd *, uint32_t);
static inline void ahd_set_scsi_status(struct scb *, uint32_t);
static inline uint32_t ahd_cmd_get_transaction_status(struct scsi_cmnd *cmd);
static inline uint32_t ahd_get_transaction_status(struct scb *);
static inline uint32_t ahd_cmd_get_scsi_status(struct scsi_cmnd *cmd);
static inline uint32_t ahd_get_scsi_status(struct scb *);
static inline void ahd_set_transaction_tag(struct scb *, int, u_int);
static inline u_long ahd_get_transfer_length(struct scb *);
static inline int ahd_get_transfer_dir(struct scb *);
static inline void ahd_set_residual(struct scb *, u_long);
static inline void ahd_set_sense_residual(struct scb *scb, u_long resid);
static inline u_long ahd_get_residual(struct scb *);
static inline u_long ahd_get_sense_residual(struct scb *);
static inline int ahd_perform_autosense(struct scb *);
static inline uint32_t ahd_get_sense_bufsize(struct ahd_softc *,
					       struct scb *);
static inline void ahd_notify_xfer_settings_change(struct ahd_softc *,
						     struct ahd_devinfo *);
static inline void ahd_platform_scb_free(struct ahd_softc *ahd,
					   struct scb *scb);
static inline void ahd_freeze_scb(struct scb *scb);
static inline
void ahd_cmd_set_transaction_status(struct scsi_cmnd *cmd, uint32_t status)
{
	cmd->result &= ~(CAM_STATUS_MASK << 16);
	cmd->result |= status << 16;
}
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static inline
void ahd_set_transaction_status(struct scb *scb, uint32_t status)
{
	ahd_cmd_set_transaction_status(scb->io_ctx,status);
}
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static inline
void ahd_cmd_set_scsi_status(struct scsi_cmnd *cmd, uint32_t status)
{
	cmd->result &= ~0xFFFF;
	cmd->result |= status;
}
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static inline
void ahd_set_scsi_status(struct scb *scb, uint32_t status)
{
	ahd_cmd_set_scsi_status(scb->io_ctx, status);
}
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static inline
uint32_t ahd_cmd_get_transaction_status(struct scsi_cmnd *cmd)
{
	return ((cmd->result >> 16) & CAM_STATUS_MASK);
}
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static inline
uint32_t ahd_get_transaction_status(struct scb *scb)
{
	return (ahd_cmd_get_transaction_status(scb->io_ctx));
}
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static inline
uint32_t ahd_cmd_get_scsi_status(struct scsi_cmnd *cmd)
{
	return (cmd->result & 0xFFFF);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 18 | 85.71% | 2 | 50.00% | 
| hannes reinecke | hannes reinecke | 2 | 9.52% | 1 | 25.00% | 
| harvey harrison | harvey harrison | 1 | 4.76% | 1 | 25.00% | 
 | Total | 21 | 100.00% | 4 | 100.00% | 
static inline
uint32_t ahd_get_scsi_status(struct scb *scb)
{
	return (ahd_cmd_get_scsi_status(scb->io_ctx));
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 21 | 95.45% | 2 | 66.67% | 
| harvey harrison | harvey harrison | 1 | 4.55% | 1 | 33.33% | 
 | Total | 22 | 100.00% | 3 | 100.00% | 
static inline
void ahd_set_transaction_tag(struct scb *scb, int enabled, u_int type)
{
	/*
         * Nothing to do for linux as the incoming transaction
         * has no concept of tag/non tagged, etc.
         */
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 18 | 94.74% | 1 | 50.00% | 
| harvey harrison | harvey harrison | 1 | 5.26% | 1 | 50.00% | 
 | Total | 19 | 100.00% | 2 | 100.00% | 
static inline
u_long ahd_get_transfer_length(struct scb *scb)
{
	return (scb->platform_data->xfer_len);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 20 | 95.24% | 1 | 50.00% | 
| harvey harrison | harvey harrison | 1 | 4.76% | 1 | 50.00% | 
 | Total | 21 | 100.00% | 2 | 100.00% | 
static inline
int ahd_get_transfer_dir(struct scb *scb)
{
	return (scb->io_ctx->sc_data_direction);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 20 | 95.24% | 1 | 50.00% | 
| harvey harrison | harvey harrison | 1 | 4.76% | 1 | 50.00% | 
 | Total | 21 | 100.00% | 2 | 100.00% | 
static inline
void ahd_set_residual(struct scb *scb, u_long resid)
{
	scsi_set_resid(scb->io_ctx, resid);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 19 | 79.17% | 1 | 33.33% | 
| fujita tomonori | fujita tomonori | 4 | 16.67% | 1 | 33.33% | 
| harvey harrison | harvey harrison | 1 | 4.17% | 1 | 33.33% | 
 | Total | 24 | 100.00% | 3 | 100.00% | 
static inline
void ahd_set_sense_residual(struct scb *scb, u_long resid)
{
	scb->platform_data->sense_resid = resid;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 22 | 95.65% | 2 | 66.67% | 
| harvey harrison | harvey harrison | 1 | 4.35% | 1 | 33.33% | 
 | Total | 23 | 100.00% | 3 | 100.00% | 
static inline
u_long ahd_get_residual(struct scb *scb)
{
	return scsi_get_resid(scb->io_ctx);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 16 | 80.00% | 1 | 33.33% | 
| fujita tomonori | fujita tomonori | 3 | 15.00% | 1 | 33.33% | 
| harvey harrison | harvey harrison | 1 | 5.00% | 1 | 33.33% | 
 | Total | 20 | 100.00% | 3 | 100.00% | 
static inline
u_long ahd_get_sense_residual(struct scb *scb)
{
	return (scb->platform_data->sense_resid);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 20 | 95.24% | 2 | 66.67% | 
| harvey harrison | harvey harrison | 1 | 4.76% | 1 | 33.33% | 
 | Total | 21 | 100.00% | 3 | 100.00% | 
static inline
int ahd_perform_autosense(struct scb *scb)
{
	/*
         * We always perform autosense in Linux.
         * On other platforms this is set on a
         * per-transaction basis.
         */
	return (1);
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 17 | 94.44% | 1 | 50.00% | 
| harvey harrison | harvey harrison | 1 | 5.56% | 1 | 50.00% | 
 | Total | 18 | 100.00% | 2 | 100.00% | 
static inline uint32_t
ahd_get_sense_bufsize(struct ahd_softc *ahd, struct scb *scb)
{
	return (sizeof(struct scsi_sense_data));
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 25 | 96.15% | 1 | 50.00% | 
| harvey harrison | harvey harrison | 1 | 3.85% | 1 | 50.00% | 
 | Total | 26 | 100.00% | 2 | 100.00% | 
static inline void
ahd_notify_xfer_settings_change(struct ahd_softc *ahd,
				struct ahd_devinfo *devinfo)
{
	/* Nothing to do here for linux */
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 17 | 94.44% | 1 | 50.00% | 
| harvey harrison | harvey harrison | 1 | 5.56% | 1 | 50.00% | 
 | Total | 18 | 100.00% | 2 | 100.00% | 
static inline void
ahd_platform_scb_free(struct ahd_softc *ahd, struct scb *scb)
{
	ahd->flags &= ~AHD_RESOURCE_SHORTAGE;
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 23 | 95.83% | 1 | 50.00% | 
| harvey harrison | harvey harrison | 1 | 4.17% | 1 | 50.00% | 
 | Total | 24 | 100.00% | 2 | 100.00% | 
int	ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg);
void	ahd_platform_free(struct ahd_softc *ahd);
void	ahd_platform_init(struct ahd_softc *ahd);
void	ahd_platform_freeze_devq(struct ahd_softc *ahd, struct scb *scb);
static inline void
ahd_freeze_scb(struct scb *scb)
{
	if ((scb->io_ctx->result & (CAM_DEV_QFRZN << 16)) == 0) {
                scb->io_ctx->result |= CAM_DEV_QFRZN << 16;
                scb->platform_data->dev->qfrozen++;
        }
}
Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 50 | 98.04% | 2 | 66.67% | 
| harvey harrison | harvey harrison | 1 | 1.96% | 1 | 33.33% | 
 | Total | 51 | 100.00% | 3 | 100.00% | 
void	ahd_platform_set_tags(struct ahd_softc *ahd, struct scsi_device *sdev,
			      struct ahd_devinfo *devinfo, ahd_queue_alg);
int	ahd_platform_abort_scbs(struct ahd_softc *ahd, int target,
				char channel, int lun, u_int tag,
				role_t role, uint32_t status);
irqreturn_t
	ahd_linux_isr(int irq, void *dev_id);
void	ahd_done(struct ahd_softc*, struct scb*);
void	ahd_send_async(struct ahd_softc *, char channel,
		       u_int target, u_int lun, ac_code);
void	ahd_print_path(struct ahd_softc *, struct scb *);
#ifdef CONFIG_PCI
#define AHD_PCI_CONFIG 1
#else
#define AHD_PCI_CONFIG 0
#endif
#define bootverbose aic79xx_verbose
extern uint32_t aic79xx_verbose;
#endif /* _AIC79XX_LINUX_H_ */
Overall Contributors
 | Person | Tokens | Prop | Commits | CommitProp | 
| justin t. gibbs | justin t. gibbs | 2058 | 92.45% | 9 | 36.00% | 
| hannes reinecke | hannes reinecke | 58 | 2.61% | 4 | 16.00% | 
| harvey harrison | harvey harrison | 51 | 2.29% | 1 | 4.00% | 
| denys vlasenko | denys vlasenko | 17 | 0.76% | 1 | 4.00% | 
| al viro | al viro | 13 | 0.58% | 2 | 8.00% | 
| christoph hellwig | christoph hellwig | 12 | 0.54% | 2 | 8.00% | 
| fujita tomonori | fujita tomonori | 7 | 0.31% | 1 | 4.00% | 
| james bottomley | james bottomley | 6 | 0.27% | 2 | 8.00% | 
| steven cole | steven cole | 3 | 0.13% | 2 | 8.00% | 
| sergei shtylyov | sergei shtylyov | 1 | 0.04% | 1 | 4.00% | 
 | Total | 2226 | 100.00% | 25 | 100.00% | 
  
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