| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Linus Torvalds (pre-git) | 8774 | 32.19% | 9 | 9.47% |
| Christoph Hellwig | 8542 | 31.34% | 12 | 12.63% |
| Linus Torvalds | 3734 | 13.70% | 6 | 6.32% |
| James Bottomley | 1660 | 6.09% | 3 | 3.16% |
| Boaz Harrosh | 1268 | 4.65% | 11 | 11.58% |
| Dave Olien | 816 | 2.99% | 1 | 1.05% |
| Alan Cox | 719 | 2.64% | 2 | 2.11% |
| Jeff Garzik | 440 | 1.61% | 7 | 7.37% |
| Achim Leubner | 379 | 1.39% | 2 | 2.11% |
| Jens Axboe | 211 | 0.77% | 4 | 4.21% |
| Randy Dunlap | 199 | 0.73% | 2 | 2.11% |
| Dave Jones | 174 | 0.64% | 3 | 3.16% |
| Andrew Morton | 64 | 0.23% | 2 | 2.11% |
| Johannes Thumshirn | 52 | 0.19% | 1 | 1.05% |
| Sven Schnelle | 36 | 0.13% | 1 | 1.05% |
| Arnd Bergmann | 34 | 0.12% | 4 | 4.21% |
| Al Viro | 25 | 0.09% | 1 | 1.05% |
| Matthew Wilcox | 23 | 0.08% | 2 | 2.11% |
| Joerg Dorchain | 20 | 0.07% | 1 | 1.05% |
| Luben Tuikov | 15 | 0.06% | 1 | 1.05% |
| Yang Hongyang | 12 | 0.04% | 2 | 2.11% |
| Alison Schofield | 10 | 0.04% | 1 | 1.05% |
| Kees Cook | 9 | 0.03% | 1 | 1.05% |
| Art Haas | 6 | 0.02% | 1 | 1.05% |
| Adrian Bunk | 4 | 0.01% | 2 | 2.11% |
| Jonathan Corbet | 4 | 0.01% | 1 | 1.05% |
| Nathan Chancellor | 4 | 0.01% | 1 | 1.05% |
| Alan Stern | 3 | 0.01% | 1 | 1.05% |
| Matthias Gehre | 3 | 0.01% | 1 | 1.05% |
| Tejun Heo | 3 | 0.01% | 1 | 1.05% |
| Arjan van de Ven | 2 | 0.01% | 2 | 2.11% |
| Thomas Gleixner | 2 | 0.01% | 1 | 1.05% |
| Hannes Reinecke | 2 | 0.01% | 1 | 1.05% |
| Roel Kluin | 1 | 0.00% | 1 | 1.05% |
| Peter Zijlstra | 1 | 0.00% | 1 | 1.05% |
| Mariusz Kozlowski | 1 | 0.00% | 1 | 1.05% |
| Tobias Klauser | 1 | 0.00% | 1 | 1.05% |
| Total | 27253 | 95 |
// SPDX-License-Identifier: GPL-2.0-or-later /************************************************************************ * Linux driver for * * ICP vortex GmbH: GDT PCI Disk Array Controllers * * Intel Corporation: Storage RAID Controllers * * * * gdth.c * * Copyright (C) 1995-06 ICP vortex GmbH, Achim Leubner * * Copyright (C) 2002-04 Intel Corporation * * Copyright (C) 2003-06 Adaptec Inc. * * <achim_leubner@adaptec.com> * * * * Additions/Fixes: * * Boji Tony Kannanthanam <boji.t.kannanthanam@intel.com> * * Johannes Dinner <johannes_dinner@adaptec.com> * * * * * * Linux kernel 2.6.x supported * * * ************************************************************************/ /* All GDT Disk Array Controllers are fully supported by this driver. * This includes the PCI SCSI Disk Array Controllers and the * PCI Fibre Channel Disk Array Controllers. See gdth.h for a complete * list of all controller types. * * After the optional list of IRQ values, other possible * command line options are: * disable:Y disable driver * disable:N enable driver * reserve_mode:0 reserve no drives for the raw service * reserve_mode:1 reserve all not init., removable drives * reserve_mode:2 reserve all not init. drives * reserve_list:h,b,t,l,h,b,t,l,... reserve particular drive(s) with * h- controller no., b- channel no., * t- target ID, l- LUN * reverse_scan:Y reverse scan order for PCI controllers * reverse_scan:N scan PCI controllers like BIOS * max_ids:x x - target ID count per channel (1..MAXID) * rescan:Y rescan all channels/IDs * rescan:N use all devices found until now * hdr_channel:x x - number of virtual bus for host drives * shared_access:Y disable driver reserve/release protocol to * access a shared resource from several nodes, * appropriate controller firmware required * shared_access:N enable driver reserve/release protocol * force_dma32:Y use only 32 bit DMA mode * force_dma32:N use 64 bit DMA mode, if supported * * The default values are: "gdth=disable:N,reserve_mode:1,reverse_scan:N, * max_ids:127,rescan:N,hdr_channel:0, * shared_access:Y,force_dma32:N". * Here is another example: "gdth=reserve_list:0,1,2,0,0,1,3,0,rescan:Y". * * When loading the gdth driver as a module, the same options are available. * You can set the IRQs with "IRQ=...". However, the syntax to specify the * options changes slightly. You must replace all ',' between options * with ' ' and all ':' with '=' and you must use * '1' in place of 'Y' and '0' in place of 'N'. * * Default: "modprobe gdth disable=0 reserve_mode=1 reverse_scan=0 * max_ids=127 rescan=0 hdr_channel=0 shared_access=0 * force_dma32=0" * The other example: "modprobe gdth reserve_list=0,1,2,0,0,1,3,0 rescan=1". */ /* The meaning of the Scsi_Pointer members in this driver is as follows: * ptr: Chaining * this_residual: unused * buffer: unused * dma_handle: unused * buffers_residual: unused * Status: unused * Message: unused * have_data_in: unused * sent_command: unused * phase: unused */ /* statistics */ #define GDTH_STATISTICS #include <linux/module.h> #include <linux/version.h> #include <linux/kernel.h> #include <linux/types.h> #include <linux/pci.h> #include <linux/string.h> #include <linux/ctype.h> #include <linux/ioport.h> #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/in.h> #include <linux/proc_fs.h> #include <linux/time.h> #include <linux/timer.h> #include <linux/dma-mapping.h> #include <linux/list.h> #include <linux/mutex.h> #include <linux/slab.h> #include <linux/reboot.h> #include <asm/dma.h> #include <asm/io.h> #include <linux/uaccess.h> #include <linux/spinlock.h> #include <linux/blkdev.h> #include <linux/scatterlist.h> #include "scsi.h" #include <scsi/scsi_host.h> #include "gdth.h" static DEFINE_MUTEX(gdth_mutex); static void gdth_delay(int milliseconds); static void gdth_eval_mapping(u32 size, u32 *cyls, int *heads, int *secs); static irqreturn_t gdth_interrupt(int irq, void *dev_id); static irqreturn_t __gdth_interrupt(gdth_ha_str *ha, int gdth_from_wait, int* pIndex); static int gdth_sync_event(gdth_ha_str *ha, int service, u8 index, struct scsi_cmnd *scp); static int gdth_async_event(gdth_ha_str *ha); static void gdth_log_event(gdth_evt_data *dvr, char *buffer); static void gdth_putq(gdth_ha_str *ha, struct scsi_cmnd *scp, u8 priority); static void gdth_next(gdth_ha_str *ha); static int gdth_fill_raw_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp, u8 b); static int gdth_special_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp); static gdth_evt_str *gdth_store_event(gdth_ha_str *ha, u16 source, u16 idx, gdth_evt_data *evt); static int gdth_read_event(gdth_ha_str *ha, int handle, gdth_evt_str *estr); static void gdth_readapp_event(gdth_ha_str *ha, u8 application, gdth_evt_str *estr); static void gdth_clear_events(void); static void gdth_copy_internal_data(gdth_ha_str *ha, struct scsi_cmnd *scp, char *buffer, u16 count); static int gdth_internal_cache_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp); static int gdth_fill_cache_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp, u16 hdrive); static void gdth_enable_int(gdth_ha_str *ha); static int gdth_test_busy(gdth_ha_str *ha); static int gdth_get_cmd_index(gdth_ha_str *ha); static void gdth_release_event(gdth_ha_str *ha); static int gdth_wait(gdth_ha_str *ha, int index,u32 time); static int gdth_internal_cmd(gdth_ha_str *ha, u8 service, u16 opcode, u32 p1, u64 p2,u64 p3); static int gdth_search_drives(gdth_ha_str *ha); static int gdth_analyse_hdrive(gdth_ha_str *ha, u16 hdrive); static const char *gdth_ctr_name(gdth_ha_str *ha); static int gdth_open(struct inode *inode, struct file *filep); static int gdth_close(struct inode *inode, struct file *filep); static long gdth_unlocked_ioctl(struct file *filep, unsigned int cmd, unsigned long arg); static void gdth_flush(gdth_ha_str *ha); static int gdth_queuecommand(struct Scsi_Host *h, struct scsi_cmnd *cmd); static int __gdth_queuecommand(gdth_ha_str *ha, struct scsi_cmnd *scp, struct gdth_cmndinfo *cmndinfo); static void gdth_scsi_done(struct scsi_cmnd *scp); #ifdef DEBUG_GDTH static u8 DebugState = DEBUG_GDTH; #define TRACE(a) {if (DebugState==1) {printk a;}} #define TRACE2(a) {if (DebugState==1 || DebugState==2) {printk a;}} #define TRACE3(a) {if (DebugState!=0) {printk a;}} #else /* !DEBUG */ #define TRACE(a) #define TRACE2(a) #define TRACE3(a) #endif #ifdef GDTH_STATISTICS static u32 max_rq=0, max_index=0, max_sg=0; static u32 act_ints=0, act_ios=0, act_stats=0, act_rq=0; static struct timer_list gdth_timer; #endif #define PTR2USHORT(a) (u16)(unsigned long)(a) #define GDTOFFSOF(a,b) (size_t)&(((a*)0)->b) #define INDEX_OK(i,t) ((i)<ARRAY_SIZE(t)) #define BUS_L2P(a,b) ((b)>(a)->virt_bus ? (b-1):(b)) static u8 gdth_polling; /* polling if TRUE */ static int gdth_ctr_count = 0; /* controller count */ static LIST_HEAD(gdth_instances); /* controller list */ static u8 gdth_write_through = FALSE; /* write through */ static gdth_evt_str ebuffer[MAX_EVENTS]; /* event buffer */ static int elastidx; static int eoldidx; static int major; #define DIN 1 /* IN data direction */ #define DOU 2 /* OUT data direction */ #define DNO DIN /* no data transfer */ #define DUN DIN /* unknown data direction */ static u8 gdth_direction_tab[0x100] = { DNO,DNO,DIN,DIN,DOU,DIN,DIN,DOU,DIN,DUN,DOU,DOU,DUN,DUN,DUN,DIN, DNO,DIN,DIN,DOU,DIN,DOU,DNO,DNO,DOU,DNO,DIN,DNO,DIN,DOU,DNO,DUN, DIN,DUN,DIN,DUN,DOU,DIN,DUN,DUN,DIN,DIN,DOU,DNO,DUN,DIN,DOU,DOU, DOU,DOU,DOU,DNO,DIN,DNO,DNO,DIN,DOU,DOU,DOU,DOU,DIN,DOU,DIN,DOU, DOU,DOU,DIN,DIN,DIN,DNO,DUN,DNO,DNO,DNO,DUN,DNO,DOU,DIN,DUN,DUN, DUN,DUN,DUN,DUN,DUN,DOU,DUN,DUN,DUN,DUN,DIN,DUN,DUN,DUN,DUN,DUN, DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DIN,DUN,DOU,DUN,DUN,DUN,DUN,DUN, DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DIN,DUN, DUN,DUN,DUN,DUN,DUN,DNO,DNO,DUN,DIN,DNO,DOU,DUN,DNO,DUN,DOU,DOU, DOU,DOU,DOU,DNO,DUN,DIN,DOU,DIN,DIN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, DUN,DUN,DOU,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN, DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DOU,DUN,DUN,DUN,DUN,DUN, DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN,DUN }; /* LILO and modprobe/insmod parameters */ /* disable driver flag */ static int disable __initdata = 0; /* reserve flag */ static int reserve_mode = 1; /* reserve list */ static int reserve_list[MAX_RES_ARGS] = {0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff}; /* scan order for PCI controllers */ static int reverse_scan = 0; /* virtual channel for the host drives */ static int hdr_channel = 0; /* max. IDs per channel */ static int max_ids = MAXID; /* rescan all IDs */ static int rescan = 0; /* shared access */ static int shared_access = 1; /* 64 bit DMA mode, support for drives > 2 TB, if force_dma32 = 0 */ static int force_dma32 = 0; /* parameters for modprobe/insmod */ module_param(disable, int, 0); module_param(reserve_mode, int, 0); module_param_array(reserve_list, int, NULL, 0); module_param(reverse_scan, int, 0); module_param(hdr_channel, int, 0); module_param(max_ids, int, 0); module_param(rescan, int, 0); module_param(shared_access, int, 0); module_param(force_dma32, int, 0); MODULE_AUTHOR("Achim Leubner"); MODULE_LICENSE("GPL"); /* ioctl interface */ static const struct file_operations gdth_fops = { .unlocked_ioctl = gdth_unlocked_ioctl, .open = gdth_open, .release = gdth_close, .llseek = noop_llseek, }; #include "gdth_proc.h" #include "gdth_proc.c" static gdth_ha_str *gdth_find_ha(int hanum) { gdth_ha_str *ha; list_for_each_entry(ha, &gdth_instances, list) if (hanum == ha->hanum) return ha; return NULL; } static struct gdth_cmndinfo *gdth_get_cmndinfo(gdth_ha_str *ha) { struct gdth_cmndinfo *priv = NULL; unsigned long flags; int i; spin_lock_irqsave(&ha->smp_lock, flags); for (i=0; i<GDTH_MAXCMDS; ++i) { if (ha->cmndinfo[i].index == 0) { priv = &ha->cmndinfo[i]; memset(priv, 0, sizeof(*priv)); priv->index = i+1; break; } } spin_unlock_irqrestore(&ha->smp_lock, flags); return priv; } static void gdth_put_cmndinfo(struct gdth_cmndinfo *priv) { BUG_ON(!priv); priv->index = 0; } static void gdth_delay(int milliseconds) { if (milliseconds == 0) { udelay(1); } else { mdelay(milliseconds); } } static void gdth_scsi_done(struct scsi_cmnd *scp) { struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); int internal_command = cmndinfo->internal_command; TRACE2(("gdth_scsi_done()\n")); gdth_put_cmndinfo(cmndinfo); scp->host_scribble = NULL; if (internal_command) complete((struct completion *)scp->request); else scp->scsi_done(scp); } int __gdth_execute(struct scsi_device *sdev, gdth_cmd_str *gdtcmd, char *cmnd, int timeout, u32 *info) { gdth_ha_str *ha = shost_priv(sdev->host); struct scsi_cmnd *scp; struct gdth_cmndinfo cmndinfo; DECLARE_COMPLETION_ONSTACK(wait); int rval; scp = kzalloc(sizeof(*scp), GFP_KERNEL); if (!scp) return -ENOMEM; scp->sense_buffer = kzalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL); if (!scp->sense_buffer) { kfree(scp); return -ENOMEM; } scp->device = sdev; memset(&cmndinfo, 0, sizeof(cmndinfo)); /* use request field to save the ptr. to completion struct. */ scp->request = (struct request *)&wait; scp->cmd_len = 12; scp->cmnd = cmnd; cmndinfo.priority = IOCTL_PRI; cmndinfo.internal_cmd_str = gdtcmd; cmndinfo.internal_command = 1; TRACE(("__gdth_execute() cmd 0x%x\n", scp->cmnd[0])); __gdth_queuecommand(ha, scp, &cmndinfo); wait_for_completion(&wait); rval = cmndinfo.status; if (info) *info = cmndinfo.info; kfree(scp->sense_buffer); kfree(scp); return rval; } int gdth_execute(struct Scsi_Host *shost, gdth_cmd_str *gdtcmd, char *cmnd, int timeout, u32 *info) { struct scsi_device *sdev = scsi_get_host_dev(shost); int rval = __gdth_execute(sdev, gdtcmd, cmnd, timeout, info); scsi_free_host_dev(sdev); return rval; } static void gdth_eval_mapping(u32 size, u32 *cyls, int *heads, int *secs) { *cyls = size /HEADS/SECS; if (*cyls <= MAXCYLS) { *heads = HEADS; *secs = SECS; } else { /* too high for 64*32 */ *cyls = size /MEDHEADS/MEDSECS; if (*cyls <= MAXCYLS) { *heads = MEDHEADS; *secs = MEDSECS; } else { /* too high for 127*63 */ *cyls = size /BIGHEADS/BIGSECS; *heads = BIGHEADS; *secs = BIGSECS; } } } static bool gdth_search_vortex(u16 device) { if (device <= PCI_DEVICE_ID_VORTEX_GDT6555) return true; if (device >= PCI_DEVICE_ID_VORTEX_GDT6x17RP && device <= PCI_DEVICE_ID_VORTEX_GDTMAXRP) return true; if (device == PCI_DEVICE_ID_VORTEX_GDTNEWRX || device == PCI_DEVICE_ID_VORTEX_GDTNEWRX2) return true; return false; } static int gdth_pci_probe_one(gdth_pci_str *pcistr, gdth_ha_str **ha_out); static int gdth_pci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); static void gdth_pci_remove_one(struct pci_dev *pdev); static void gdth_remove_one(gdth_ha_str *ha); /* Vortex only makes RAID controllers. * We do not really want to specify all 550 ids here, so wildcard match. */ static const struct pci_device_id gdthtable[] = { { PCI_VDEVICE(VORTEX, PCI_ANY_ID) }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SRC) }, { PCI_VDEVICE(INTEL, PCI_DEVICE_ID_INTEL_SRC_XSCALE) }, { } /* terminate list */ }; MODULE_DEVICE_TABLE(pci, gdthtable); static struct pci_driver gdth_pci_driver = { .name = "gdth", .id_table = gdthtable, .probe = gdth_pci_init_one, .remove = gdth_pci_remove_one, }; static void gdth_pci_remove_one(struct pci_dev *pdev) { gdth_ha_str *ha = pci_get_drvdata(pdev); list_del(&ha->list); gdth_remove_one(ha); pci_disable_device(pdev); } static int gdth_pci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { u16 vendor = pdev->vendor; u16 device = pdev->device; unsigned long base0, base1, base2; int rc; gdth_pci_str gdth_pcistr; gdth_ha_str *ha = NULL; TRACE(("gdth_search_dev() cnt %d vendor %x device %x\n", gdth_ctr_count, vendor, device)); memset(&gdth_pcistr, 0, sizeof(gdth_pcistr)); if (vendor == PCI_VENDOR_ID_VORTEX && !gdth_search_vortex(device)) return -ENODEV; rc = pci_enable_device(pdev); if (rc) return rc; if (gdth_ctr_count >= MAXHA) return -EBUSY; /* GDT PCI controller found, resources are already in pdev */ gdth_pcistr.pdev = pdev; base0 = pci_resource_flags(pdev, 0); base1 = pci_resource_flags(pdev, 1); base2 = pci_resource_flags(pdev, 2); if (device <= PCI_DEVICE_ID_VORTEX_GDT6000B || /* GDT6000/B */ device >= PCI_DEVICE_ID_VORTEX_GDT6x17RP) { /* MPR */ if (!(base0 & IORESOURCE_MEM)) return -ENODEV; gdth_pcistr.dpmem = pci_resource_start(pdev, 0); } else { /* GDT6110, GDT6120, .. */ if (!(base0 & IORESOURCE_MEM) || !(base2 & IORESOURCE_MEM) || !(base1 & IORESOURCE_IO)) return -ENODEV; gdth_pcistr.dpmem = pci_resource_start(pdev, 2); gdth_pcistr.io = pci_resource_start(pdev, 1); } TRACE2(("Controller found at %d/%d, irq %d, dpmem 0x%lx\n", gdth_pcistr.pdev->bus->number, PCI_SLOT(gdth_pcistr.pdev->devfn), gdth_pcistr.irq, gdth_pcistr.dpmem)); rc = gdth_pci_probe_one(&gdth_pcistr, &ha); if (rc) return rc; return 0; } static int gdth_init_pci(struct pci_dev *pdev, gdth_pci_str *pcistr, gdth_ha_str *ha) { register gdt6_dpram_str __iomem *dp6_ptr; register gdt6c_dpram_str __iomem *dp6c_ptr; register gdt6m_dpram_str __iomem *dp6m_ptr; u32 retries; u8 prot_ver; u16 command; int i, found = FALSE; TRACE(("gdth_init_pci()\n")); if (pdev->vendor == PCI_VENDOR_ID_INTEL) ha->oem_id = OEM_ID_INTEL; else ha->oem_id = OEM_ID_ICP; ha->brd_phys = (pdev->bus->number << 8) | (pdev->devfn & 0xf8); ha->stype = (u32)pdev->device; ha->irq = pdev->irq; ha->pdev = pdev; if (ha->pdev->device <= PCI_DEVICE_ID_VORTEX_GDT6000B) { /* GDT6000/B */ TRACE2(("init_pci() dpmem %lx irq %d\n",pcistr->dpmem,ha->irq)); ha->brd = ioremap(pcistr->dpmem, sizeof(gdt6_dpram_str)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } /* check and reset interface area */ dp6_ptr = ha->brd; writel(DPMEM_MAGIC, &dp6_ptr->u); if (readl(&dp6_ptr->u) != DPMEM_MAGIC) { printk("GDT-PCI: Cannot access DPMEM at 0x%lx (shadowed?)\n", pcistr->dpmem); found = FALSE; for (i = 0xC8000; i < 0xE8000; i += 0x4000) { iounmap(ha->brd); ha->brd = ioremap(i, sizeof(u16)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } if (readw(ha->brd) != 0xffff) { TRACE2(("init_pci_old() address 0x%x busy\n", i)); continue; } iounmap(ha->brd); pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, i); ha->brd = ioremap(i, sizeof(gdt6_dpram_str)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } dp6_ptr = ha->brd; writel(DPMEM_MAGIC, &dp6_ptr->u); if (readl(&dp6_ptr->u) == DPMEM_MAGIC) { printk("GDT-PCI: Use free address at 0x%x\n", i); found = TRUE; break; } } if (!found) { printk("GDT-PCI: No free address found!\n"); iounmap(ha->brd); return 0; } } memset_io(&dp6_ptr->u, 0, sizeof(dp6_ptr->u)); if (readl(&dp6_ptr->u) != 0) { printk("GDT-PCI: Initialization error (DPMEM write error)\n"); iounmap(ha->brd); return 0; } /* disable board interrupts, deinit services */ writeb(0xff, &dp6_ptr->io.irqdel); writeb(0x00, &dp6_ptr->io.irqen); writeb(0x00, &dp6_ptr->u.ic.S_Status); writeb(0x00, &dp6_ptr->u.ic.Cmd_Index); writel(pcistr->dpmem, &dp6_ptr->u.ic.S_Info[0]); writeb(0xff, &dp6_ptr->u.ic.S_Cmd_Indx); writeb(0, &dp6_ptr->io.event); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp6_ptr->u.ic.S_Status) != 0xff) { if (--retries == 0) { printk("GDT-PCI: Initialization error (DEINIT failed)\n"); iounmap(ha->brd); return 0; } gdth_delay(1); } prot_ver = (u8)readl(&dp6_ptr->u.ic.S_Info[0]); writeb(0, &dp6_ptr->u.ic.S_Status); writeb(0xff, &dp6_ptr->io.irqdel); if (prot_ver != PROTOCOL_VERSION) { printk("GDT-PCI: Illegal protocol version\n"); iounmap(ha->brd); return 0; } ha->type = GDT_PCI; ha->ic_all_size = sizeof(dp6_ptr->u); /* special command to controller BIOS */ writel(0x00, &dp6_ptr->u.ic.S_Info[0]); writel(0x00, &dp6_ptr->u.ic.S_Info[1]); writel(0x00, &dp6_ptr->u.ic.S_Info[2]); writel(0x00, &dp6_ptr->u.ic.S_Info[3]); writeb(0xfe, &dp6_ptr->u.ic.S_Cmd_Indx); writeb(0, &dp6_ptr->io.event); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp6_ptr->u.ic.S_Status) != 0xfe) { if (--retries == 0) { printk("GDT-PCI: Initialization error\n"); iounmap(ha->brd); return 0; } gdth_delay(1); } writeb(0, &dp6_ptr->u.ic.S_Status); writeb(0xff, &dp6_ptr->io.irqdel); ha->dma64_support = 0; } else if (ha->pdev->device <= PCI_DEVICE_ID_VORTEX_GDT6555) { /* GDT6110, ... */ ha->plx = (gdt6c_plx_regs *)pcistr->io; TRACE2(("init_pci_new() dpmem %lx irq %d\n", pcistr->dpmem,ha->irq)); ha->brd = ioremap(pcistr->dpmem, sizeof(gdt6c_dpram_str)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); iounmap(ha->brd); return 0; } /* check and reset interface area */ dp6c_ptr = ha->brd; writel(DPMEM_MAGIC, &dp6c_ptr->u); if (readl(&dp6c_ptr->u) != DPMEM_MAGIC) { printk("GDT-PCI: Cannot access DPMEM at 0x%lx (shadowed?)\n", pcistr->dpmem); found = FALSE; for (i = 0xC8000; i < 0xE8000; i += 0x4000) { iounmap(ha->brd); ha->brd = ioremap(i, sizeof(u16)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } if (readw(ha->brd) != 0xffff) { TRACE2(("init_pci_plx() address 0x%x busy\n", i)); continue; } iounmap(ha->brd); pci_write_config_dword(pdev, PCI_BASE_ADDRESS_2, i); ha->brd = ioremap(i, sizeof(gdt6c_dpram_str)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } dp6c_ptr = ha->brd; writel(DPMEM_MAGIC, &dp6c_ptr->u); if (readl(&dp6c_ptr->u) == DPMEM_MAGIC) { printk("GDT-PCI: Use free address at 0x%x\n", i); found = TRUE; break; } } if (!found) { printk("GDT-PCI: No free address found!\n"); iounmap(ha->brd); return 0; } } memset_io(&dp6c_ptr->u, 0, sizeof(dp6c_ptr->u)); if (readl(&dp6c_ptr->u) != 0) { printk("GDT-PCI: Initialization error (DPMEM write error)\n"); iounmap(ha->brd); return 0; } /* disable board interrupts, deinit services */ outb(0x00,PTR2USHORT(&ha->plx->control1)); outb(0xff,PTR2USHORT(&ha->plx->edoor_reg)); writeb(0x00, &dp6c_ptr->u.ic.S_Status); writeb(0x00, &dp6c_ptr->u.ic.Cmd_Index); writel(pcistr->dpmem, &dp6c_ptr->u.ic.S_Info[0]); writeb(0xff, &dp6c_ptr->u.ic.S_Cmd_Indx); outb(1,PTR2USHORT(&ha->plx->ldoor_reg)); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp6c_ptr->u.ic.S_Status) != 0xff) { if (--retries == 0) { printk("GDT-PCI: Initialization error (DEINIT failed)\n"); iounmap(ha->brd); return 0; } gdth_delay(1); } prot_ver = (u8)readl(&dp6c_ptr->u.ic.S_Info[0]); writeb(0, &dp6c_ptr->u.ic.Status); if (prot_ver != PROTOCOL_VERSION) { printk("GDT-PCI: Illegal protocol version\n"); iounmap(ha->brd); return 0; } ha->type = GDT_PCINEW; ha->ic_all_size = sizeof(dp6c_ptr->u); /* special command to controller BIOS */ writel(0x00, &dp6c_ptr->u.ic.S_Info[0]); writel(0x00, &dp6c_ptr->u.ic.S_Info[1]); writel(0x00, &dp6c_ptr->u.ic.S_Info[2]); writel(0x00, &dp6c_ptr->u.ic.S_Info[3]); writeb(0xfe, &dp6c_ptr->u.ic.S_Cmd_Indx); outb(1,PTR2USHORT(&ha->plx->ldoor_reg)); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp6c_ptr->u.ic.S_Status) != 0xfe) { if (--retries == 0) { printk("GDT-PCI: Initialization error\n"); iounmap(ha->brd); return 0; } gdth_delay(1); } writeb(0, &dp6c_ptr->u.ic.S_Status); ha->dma64_support = 0; } else { /* MPR */ TRACE2(("init_pci_mpr() dpmem %lx irq %d\n",pcistr->dpmem,ha->irq)); ha->brd = ioremap(pcistr->dpmem, sizeof(gdt6m_dpram_str)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } /* manipulate config. space to enable DPMEM, start RP controller */ pci_read_config_word(pdev, PCI_COMMAND, &command); command |= 6; pci_write_config_word(pdev, PCI_COMMAND, command); gdth_delay(1); dp6m_ptr = ha->brd; /* Ensure that it is safe to access the non HW portions of DPMEM. * Aditional check needed for Xscale based RAID controllers */ while( ((int)readb(&dp6m_ptr->i960r.sema0_reg) ) & 3 ) gdth_delay(1); /* check and reset interface area */ writel(DPMEM_MAGIC, &dp6m_ptr->u); if (readl(&dp6m_ptr->u) != DPMEM_MAGIC) { printk("GDT-PCI: Cannot access DPMEM at 0x%lx (shadowed?)\n", pcistr->dpmem); found = FALSE; for (i = 0xC8000; i < 0xE8000; i += 0x4000) { iounmap(ha->brd); ha->brd = ioremap(i, sizeof(u16)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } if (readw(ha->brd) != 0xffff) { TRACE2(("init_pci_mpr() address 0x%x busy\n", i)); continue; } iounmap(ha->brd); pci_write_config_dword(pdev, PCI_BASE_ADDRESS_0, i); ha->brd = ioremap(i, sizeof(gdt6m_dpram_str)); if (ha->brd == NULL) { printk("GDT-PCI: Initialization error (DPMEM remap error)\n"); return 0; } dp6m_ptr = ha->brd; writel(DPMEM_MAGIC, &dp6m_ptr->u); if (readl(&dp6m_ptr->u) == DPMEM_MAGIC) { printk("GDT-PCI: Use free address at 0x%x\n", i); found = TRUE; break; } } if (!found) { printk("GDT-PCI: No free address found!\n"); iounmap(ha->brd); return 0; } } memset_io(&dp6m_ptr->u, 0, sizeof(dp6m_ptr->u)); /* disable board interrupts, deinit services */ writeb(readb(&dp6m_ptr->i960r.edoor_en_reg) | 4, &dp6m_ptr->i960r.edoor_en_reg); writeb(0xff, &dp6m_ptr->i960r.edoor_reg); writeb(0x00, &dp6m_ptr->u.ic.S_Status); writeb(0x00, &dp6m_ptr->u.ic.Cmd_Index); writel(pcistr->dpmem, &dp6m_ptr->u.ic.S_Info[0]); writeb(0xff, &dp6m_ptr->u.ic.S_Cmd_Indx); writeb(1, &dp6m_ptr->i960r.ldoor_reg); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp6m_ptr->u.ic.S_Status) != 0xff) { if (--retries == 0) { printk("GDT-PCI: Initialization error (DEINIT failed)\n"); iounmap(ha->brd); return 0; } gdth_delay(1); } prot_ver = (u8)readl(&dp6m_ptr->u.ic.S_Info[0]); writeb(0, &dp6m_ptr->u.ic.S_Status); if (prot_ver != PROTOCOL_VERSION) { printk("GDT-PCI: Illegal protocol version\n"); iounmap(ha->brd); return 0; } ha->type = GDT_PCIMPR; ha->ic_all_size = sizeof(dp6m_ptr->u); /* special command to controller BIOS */ writel(0x00, &dp6m_ptr->u.ic.S_Info[0]); writel(0x00, &dp6m_ptr->u.ic.S_Info[1]); writel(0x00, &dp6m_ptr->u.ic.S_Info[2]); writel(0x00, &dp6m_ptr->u.ic.S_Info[3]); writeb(0xfe, &dp6m_ptr->u.ic.S_Cmd_Indx); writeb(1, &dp6m_ptr->i960r.ldoor_reg); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp6m_ptr->u.ic.S_Status) != 0xfe) { if (--retries == 0) { printk("GDT-PCI: Initialization error\n"); iounmap(ha->brd); return 0; } gdth_delay(1); } writeb(0, &dp6m_ptr->u.ic.S_Status); /* read FW version to detect 64-bit DMA support */ writeb(0xfd, &dp6m_ptr->u.ic.S_Cmd_Indx); writeb(1, &dp6m_ptr->i960r.ldoor_reg); retries = INIT_RETRIES; gdth_delay(20); while (readb(&dp6m_ptr->u.ic.S_Status) != 0xfd) { if (--retries == 0) { printk("GDT-PCI: Initialization error (DEINIT failed)\n"); iounmap(ha->brd); return 0; } gdth_delay(1); } prot_ver = (u8)(readl(&dp6m_ptr->u.ic.S_Info[0]) >> 16); writeb(0, &dp6m_ptr->u.ic.S_Status); if (prot_ver < 0x2b) /* FW < x.43: no 64-bit DMA support */ ha->dma64_support = 0; else ha->dma64_support = 1; } return 1; } /* controller protocol functions */ static void gdth_enable_int(gdth_ha_str *ha) { unsigned long flags; gdt6_dpram_str __iomem *dp6_ptr; gdt6m_dpram_str __iomem *dp6m_ptr; TRACE(("gdth_enable_int() hanum %d\n",ha->hanum)); spin_lock_irqsave(&ha->smp_lock, flags); if (ha->type == GDT_PCI) { dp6_ptr = ha->brd; writeb(1, &dp6_ptr->io.irqdel); writeb(0, &dp6_ptr->u.ic.Cmd_Index); writeb(1, &dp6_ptr->io.irqen); } else if (ha->type == GDT_PCINEW) { outb(0xff, PTR2USHORT(&ha->plx->edoor_reg)); outb(0x03, PTR2USHORT(&ha->plx->control1)); } else if (ha->type == GDT_PCIMPR) { dp6m_ptr = ha->brd; writeb(0xff, &dp6m_ptr->i960r.edoor_reg); writeb(readb(&dp6m_ptr->i960r.edoor_en_reg) & ~4, &dp6m_ptr->i960r.edoor_en_reg); } spin_unlock_irqrestore(&ha->smp_lock, flags); } /* return IStatus if interrupt was from this card else 0 */ static u8 gdth_get_status(gdth_ha_str *ha) { u8 IStatus = 0; TRACE(("gdth_get_status() irq %d ctr_count %d\n", ha->irq, gdth_ctr_count)); if (ha->type == GDT_PCI) IStatus = readb(&((gdt6_dpram_str __iomem *)ha->brd)->u.ic.Cmd_Index); else if (ha->type == GDT_PCINEW) IStatus = inb(PTR2USHORT(&ha->plx->edoor_reg)); else if (ha->type == GDT_PCIMPR) IStatus = readb(&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.edoor_reg); return IStatus; } static int gdth_test_busy(gdth_ha_str *ha) { register int gdtsema0 = 0; TRACE(("gdth_test_busy() hanum %d\n", ha->hanum)); if (ha->type == GDT_PCI) gdtsema0 = (int)readb(&((gdt6_dpram_str __iomem *)ha->brd)->u.ic.Sema0); else if (ha->type == GDT_PCINEW) gdtsema0 = (int)inb(PTR2USHORT(&ha->plx->sema0_reg)); else if (ha->type == GDT_PCIMPR) gdtsema0 = (int)readb(&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.sema0_reg); return (gdtsema0 & 1); } static int gdth_get_cmd_index(gdth_ha_str *ha) { int i; TRACE(("gdth_get_cmd_index() hanum %d\n", ha->hanum)); for (i=0; i<GDTH_MAXCMDS; ++i) { if (ha->cmd_tab[i].cmnd == UNUSED_CMND) { ha->cmd_tab[i].cmnd = ha->pccb->RequestBuffer; ha->cmd_tab[i].service = ha->pccb->Service; ha->pccb->CommandIndex = (u32)i+2; return (i+2); } } return 0; } static void gdth_set_sema0(gdth_ha_str *ha) { TRACE(("gdth_set_sema0() hanum %d\n", ha->hanum)); if (ha->type == GDT_PCI) { writeb(1, &((gdt6_dpram_str __iomem *)ha->brd)->u.ic.Sema0); } else if (ha->type == GDT_PCINEW) { outb(1, PTR2USHORT(&ha->plx->sema0_reg)); } else if (ha->type == GDT_PCIMPR) { writeb(1, &((gdt6m_dpram_str __iomem *)ha->brd)->i960r.sema0_reg); } } static void gdth_copy_command(gdth_ha_str *ha) { register gdth_cmd_str *cmd_ptr; register gdt6m_dpram_str __iomem *dp6m_ptr; register gdt6c_dpram_str __iomem *dp6c_ptr; gdt6_dpram_str __iomem *dp6_ptr; u16 cp_count,dp_offset,cmd_no; TRACE(("gdth_copy_command() hanum %d\n", ha->hanum)); cp_count = ha->cmd_len; dp_offset= ha->cmd_offs_dpmem; cmd_no = ha->cmd_cnt; cmd_ptr = ha->pccb; ++ha->cmd_cnt; /* set cpcount dword aligned */ if (cp_count & 3) cp_count += (4 - (cp_count & 3)); ha->cmd_offs_dpmem += cp_count; /* set offset and service, copy command to DPMEM */ if (ha->type == GDT_PCI) { dp6_ptr = ha->brd; writew(dp_offset + DPMEM_COMMAND_OFFSET, &dp6_ptr->u.ic.comm_queue[cmd_no].offset); writew((u16)cmd_ptr->Service, &dp6_ptr->u.ic.comm_queue[cmd_no].serv_id); memcpy_toio(&dp6_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count); } else if (ha->type == GDT_PCINEW) { dp6c_ptr = ha->brd; writew(dp_offset + DPMEM_COMMAND_OFFSET, &dp6c_ptr->u.ic.comm_queue[cmd_no].offset); writew((u16)cmd_ptr->Service, &dp6c_ptr->u.ic.comm_queue[cmd_no].serv_id); memcpy_toio(&dp6c_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count); } else if (ha->type == GDT_PCIMPR) { dp6m_ptr = ha->brd; writew(dp_offset + DPMEM_COMMAND_OFFSET, &dp6m_ptr->u.ic.comm_queue[cmd_no].offset); writew((u16)cmd_ptr->Service, &dp6m_ptr->u.ic.comm_queue[cmd_no].serv_id); memcpy_toio(&dp6m_ptr->u.ic.gdt_dpr_cmd[dp_offset],cmd_ptr,cp_count); } } static void gdth_release_event(gdth_ha_str *ha) { TRACE(("gdth_release_event() hanum %d\n", ha->hanum)); #ifdef GDTH_STATISTICS { u32 i,j; for (i=0,j=0; j<GDTH_MAXCMDS; ++j) { if (ha->cmd_tab[j].cmnd != UNUSED_CMND) ++i; } if (max_index < i) { max_index = i; TRACE3(("GDT: max_index = %d\n",(u16)i)); } } #endif if (ha->pccb->OpCode == GDT_INIT) ha->pccb->Service |= 0x80; if (ha->type == GDT_PCI) { writeb(0, &((gdt6_dpram_str __iomem *)ha->brd)->io.event); } else if (ha->type == GDT_PCINEW) { outb(1, PTR2USHORT(&ha->plx->ldoor_reg)); } else if (ha->type == GDT_PCIMPR) { writeb(1, &((gdt6m_dpram_str __iomem *)ha->brd)->i960r.ldoor_reg); } } static int gdth_wait(gdth_ha_str *ha, int index, u32 time) { int answer_found = FALSE; int wait_index = 0; TRACE(("gdth_wait() hanum %d index %d time %d\n", ha->hanum, index, time)); if (index == 0) return 1; /* no wait required */ do { __gdth_interrupt(ha, true, &wait_index); if (wait_index == index) { answer_found = TRUE; break; } gdth_delay(1); } while (--time); while (gdth_test_busy(ha)) gdth_delay(0); return (answer_found); } static int gdth_internal_cmd(gdth_ha_str *ha, u8 service, u16 opcode, u32 p1, u64 p2, u64 p3) { register gdth_cmd_str *cmd_ptr; int retries,index; TRACE2(("gdth_internal_cmd() service %d opcode %d\n",service,opcode)); cmd_ptr = ha->pccb; memset((char*)cmd_ptr,0,sizeof(gdth_cmd_str)); /* make command */ for (retries = INIT_RETRIES;;) { cmd_ptr->Service = service; cmd_ptr->RequestBuffer = INTERNAL_CMND; if (!(index=gdth_get_cmd_index(ha))) { TRACE(("GDT: No free command index found\n")); return 0; } gdth_set_sema0(ha); cmd_ptr->OpCode = opcode; cmd_ptr->BoardNode = LOCALBOARD; if (service == CACHESERVICE) { if (opcode == GDT_IOCTL) { cmd_ptr->u.ioctl.subfunc = p1; cmd_ptr->u.ioctl.channel = (u32)p2; cmd_ptr->u.ioctl.param_size = (u16)p3; cmd_ptr->u.ioctl.p_param = ha->scratch_phys; } else { if (ha->cache_feat & GDT_64BIT) { cmd_ptr->u.cache64.DeviceNo = (u16)p1; cmd_ptr->u.cache64.BlockNo = p2; } else { cmd_ptr->u.cache.DeviceNo = (u16)p1; cmd_ptr->u.cache.BlockNo = (u32)p2; } } } else if (service == SCSIRAWSERVICE) { if (ha->raw_feat & GDT_64BIT) { cmd_ptr->u.raw64.direction = p1; cmd_ptr->u.raw64.bus = (u8)p2; cmd_ptr->u.raw64.target = (u8)p3; cmd_ptr->u.raw64.lun = (u8)(p3 >> 8); } else { cmd_ptr->u.raw.direction = p1; cmd_ptr->u.raw.bus = (u8)p2; cmd_ptr->u.raw.target = (u8)p3; cmd_ptr->u.raw.lun = (u8)(p3 >> 8); } } else if (service == SCREENSERVICE) { if (opcode == GDT_REALTIME) { *(u32 *)&cmd_ptr->u.screen.su.data[0] = p1; *(u32 *)&cmd_ptr->u.screen.su.data[4] = (u32)p2; *(u32 *)&cmd_ptr->u.screen.su.data[8] = (u32)p3; } } ha->cmd_len = sizeof(gdth_cmd_str); ha->cmd_offs_dpmem = 0; ha->cmd_cnt = 0; gdth_copy_command(ha); gdth_release_event(ha); gdth_delay(20); if (!gdth_wait(ha, index, INIT_TIMEOUT)) { printk("GDT: Initialization error (timeout service %d)\n",service); return 0; } if (ha->status != S_BSY || --retries == 0) break; gdth_delay(1); } return (ha->status != S_OK ? 0:1); } /* search for devices */ static int gdth_search_drives(gdth_ha_str *ha) { u16 cdev_cnt, i; int ok; u32 bus_no, drv_cnt, drv_no, j; gdth_getch_str *chn; gdth_drlist_str *drl; gdth_iochan_str *ioc; gdth_raw_iochan_str *iocr; gdth_arcdl_str *alst; gdth_alist_str *alst2; gdth_oem_str_ioctl *oemstr; TRACE(("gdth_search_drives() hanum %d\n", ha->hanum)); ok = 0; /* initialize controller services, at first: screen service */ ha->screen_feat = 0; if (!force_dma32) { ok = gdth_internal_cmd(ha, SCREENSERVICE, GDT_X_INIT_SCR, 0, 0, 0); if (ok) ha->screen_feat = GDT_64BIT; } if (force_dma32 || (!ok && ha->status == (u16)S_NOFUNC)) ok = gdth_internal_cmd(ha, SCREENSERVICE, GDT_INIT, 0, 0, 0); if (!ok) { printk("GDT-HA %d: Initialization error screen service (code %d)\n", ha->hanum, ha->status); return 0; } TRACE2(("gdth_search_drives(): SCREENSERVICE initialized\n")); /* unfreeze all IOs */ gdth_internal_cmd(ha, CACHESERVICE, GDT_UNFREEZE_IO, 0, 0, 0); /* initialize cache service */ ha->cache_feat = 0; if (!force_dma32) { ok = gdth_internal_cmd(ha, CACHESERVICE, GDT_X_INIT_HOST, LINUX_OS, 0, 0); if (ok) ha->cache_feat = GDT_64BIT; } if (force_dma32 || (!ok && ha->status == (u16)S_NOFUNC)) ok = gdth_internal_cmd(ha, CACHESERVICE, GDT_INIT, LINUX_OS, 0, 0); if (!ok) { printk("GDT-HA %d: Initialization error cache service (code %d)\n", ha->hanum, ha->status); return 0; } TRACE2(("gdth_search_drives(): CACHESERVICE initialized\n")); cdev_cnt = (u16)ha->info; ha->fw_vers = ha->service; /* detect number of buses - try new IOCTL */ iocr = (gdth_raw_iochan_str *)ha->pscratch; iocr->hdr.version = 0xffffffff; iocr->hdr.list_entries = MAXBUS; iocr->hdr.first_chan = 0; iocr->hdr.last_chan = MAXBUS-1; iocr->hdr.list_offset = GDTOFFSOF(gdth_raw_iochan_str, list[0]); if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, IOCHAN_RAW_DESC, INVALID_CHANNEL,sizeof(gdth_raw_iochan_str))) { TRACE2(("IOCHAN_RAW_DESC supported!\n")); ha->bus_cnt = iocr->hdr.chan_count; for (bus_no = 0; bus_no < ha->bus_cnt; ++bus_no) { if (iocr->list[bus_no].proc_id < MAXID) ha->bus_id[bus_no] = iocr->list[bus_no].proc_id; else ha->bus_id[bus_no] = 0xff; } } else { /* old method */ chn = (gdth_getch_str *)ha->pscratch; for (bus_no = 0; bus_no < MAXBUS; ++bus_no) { chn->channel_no = bus_no; if (!gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, SCSI_CHAN_CNT | L_CTRL_PATTERN, IO_CHANNEL | INVALID_CHANNEL, sizeof(gdth_getch_str))) { if (bus_no == 0) { printk("GDT-HA %d: Error detecting channel count (0x%x)\n", ha->hanum, ha->status); return 0; } break; } if (chn->siop_id < MAXID) ha->bus_id[bus_no] = chn->siop_id; else ha->bus_id[bus_no] = 0xff; } ha->bus_cnt = (u8)bus_no; } TRACE2(("gdth_search_drives() %d channels\n",ha->bus_cnt)); /* read cache configuration */ if (!gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, CACHE_INFO, INVALID_CHANNEL,sizeof(gdth_cinfo_str))) { printk("GDT-HA %d: Initialization error cache service (code %d)\n", ha->hanum, ha->status); return 0; } ha->cpar = ((gdth_cinfo_str *)ha->pscratch)->cpar; TRACE2(("gdth_search_drives() cinfo: vs %x sta %d str %d dw %d b %d\n", ha->cpar.version,ha->cpar.state,ha->cpar.strategy, ha->cpar.write_back,ha->cpar.block_size)); /* read board info and features */ ha->more_proc = FALSE; if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, BOARD_INFO, INVALID_CHANNEL,sizeof(gdth_binfo_str))) { memcpy(&ha->binfo, (gdth_binfo_str *)ha->pscratch, sizeof(gdth_binfo_str)); if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, BOARD_FEATURES, INVALID_CHANNEL,sizeof(gdth_bfeat_str))) { TRACE2(("BOARD_INFO/BOARD_FEATURES supported\n")); ha->bfeat = *(gdth_bfeat_str *)ha->pscratch; ha->more_proc = TRUE; } } else { TRACE2(("BOARD_INFO requires firmware >= 1.10/2.08\n")); strcpy(ha->binfo.type_string, gdth_ctr_name(ha)); } TRACE2(("Controller name: %s\n",ha->binfo.type_string)); /* read more informations */ if (ha->more_proc) { /* physical drives, channel addresses */ ioc = (gdth_iochan_str *)ha->pscratch; ioc->hdr.version = 0xffffffff; ioc->hdr.list_entries = MAXBUS; ioc->hdr.first_chan = 0; ioc->hdr.last_chan = MAXBUS-1; ioc->hdr.list_offset = GDTOFFSOF(gdth_iochan_str, list[0]); if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, IOCHAN_DESC, INVALID_CHANNEL,sizeof(gdth_iochan_str))) { for (bus_no = 0; bus_no < ha->bus_cnt; ++bus_no) { ha->raw[bus_no].address = ioc->list[bus_no].address; ha->raw[bus_no].local_no = ioc->list[bus_no].local_no; } } else { for (bus_no = 0; bus_no < ha->bus_cnt; ++bus_no) { ha->raw[bus_no].address = IO_CHANNEL; ha->raw[bus_no].local_no = bus_no; } } for (bus_no = 0; bus_no < ha->bus_cnt; ++bus_no) { chn = (gdth_getch_str *)ha->pscratch; chn->channel_no = ha->raw[bus_no].local_no; if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, SCSI_CHAN_CNT | L_CTRL_PATTERN, ha->raw[bus_no].address | INVALID_CHANNEL, sizeof(gdth_getch_str))) { ha->raw[bus_no].pdev_cnt = chn->drive_cnt; TRACE2(("Channel %d: %d phys. drives\n", bus_no,chn->drive_cnt)); } if (ha->raw[bus_no].pdev_cnt > 0) { drl = (gdth_drlist_str *)ha->pscratch; drl->sc_no = ha->raw[bus_no].local_no; drl->sc_cnt = ha->raw[bus_no].pdev_cnt; if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, SCSI_DR_LIST | L_CTRL_PATTERN, ha->raw[bus_no].address | INVALID_CHANNEL, sizeof(gdth_drlist_str))) { for (j = 0; j < ha->raw[bus_no].pdev_cnt; ++j) ha->raw[bus_no].id_list[j] = drl->sc_list[j]; } else { ha->raw[bus_no].pdev_cnt = 0; } } } /* logical drives */ if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, CACHE_DRV_CNT, INVALID_CHANNEL,sizeof(u32))) { drv_cnt = *(u32 *)ha->pscratch; if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, CACHE_DRV_LIST, INVALID_CHANNEL,drv_cnt * sizeof(u32))) { for (j = 0; j < drv_cnt; ++j) { drv_no = ((u32 *)ha->pscratch)[j]; if (drv_no < MAX_LDRIVES) { ha->hdr[drv_no].is_logdrv = TRUE; TRACE2(("Drive %d is log. drive\n",drv_no)); } } } alst = (gdth_arcdl_str *)ha->pscratch; alst->entries_avail = MAX_LDRIVES; alst->first_entry = 0; alst->list_offset = GDTOFFSOF(gdth_arcdl_str, list[0]); if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, ARRAY_DRV_LIST2 | LA_CTRL_PATTERN, INVALID_CHANNEL, sizeof(gdth_arcdl_str) + (alst->entries_avail-1) * sizeof(gdth_alist_str))) { for (j = 0; j < alst->entries_init; ++j) { ha->hdr[j].is_arraydrv = alst->list[j].is_arrayd; ha->hdr[j].is_master = alst->list[j].is_master; ha->hdr[j].is_parity = alst->list[j].is_parity; ha->hdr[j].is_hotfix = alst->list[j].is_hotfix; ha->hdr[j].master_no = alst->list[j].cd_handle; } } else if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, ARRAY_DRV_LIST | LA_CTRL_PATTERN, 0, 35 * sizeof(gdth_alist_str))) { for (j = 0; j < 35; ++j) { alst2 = &((gdth_alist_str *)ha->pscratch)[j]; ha->hdr[j].is_arraydrv = alst2->is_arrayd; ha->hdr[j].is_master = alst2->is_master; ha->hdr[j].is_parity = alst2->is_parity; ha->hdr[j].is_hotfix = alst2->is_hotfix; ha->hdr[j].master_no = alst2->cd_handle; } } } } /* initialize raw service */ ha->raw_feat = 0; if (!force_dma32) { ok = gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_X_INIT_RAW, 0, 0, 0); if (ok) ha->raw_feat = GDT_64BIT; } if (force_dma32 || (!ok && ha->status == (u16)S_NOFUNC)) ok = gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_INIT, 0, 0, 0); if (!ok) { printk("GDT-HA %d: Initialization error raw service (code %d)\n", ha->hanum, ha->status); return 0; } TRACE2(("gdth_search_drives(): RAWSERVICE initialized\n")); /* set/get features raw service (scatter/gather) */ if (gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_SET_FEAT, SCATTER_GATHER, 0, 0)) { TRACE2(("gdth_search_drives(): set features RAWSERVICE OK\n")); if (gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_GET_FEAT, 0, 0, 0)) { TRACE2(("gdth_search_dr(): get feat RAWSERVICE %d\n", ha->info)); ha->raw_feat |= (u16)ha->info; } } /* set/get features cache service (equal to raw service) */ if (gdth_internal_cmd(ha, CACHESERVICE, GDT_SET_FEAT, 0, SCATTER_GATHER,0)) { TRACE2(("gdth_search_drives(): set features CACHESERVICE OK\n")); if (gdth_internal_cmd(ha, CACHESERVICE, GDT_GET_FEAT, 0, 0, 0)) { TRACE2(("gdth_search_dr(): get feat CACHESERV. %d\n", ha->info)); ha->cache_feat |= (u16)ha->info; } } /* reserve drives for raw service */ if (reserve_mode != 0) { gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_RESERVE_ALL, reserve_mode == 1 ? 1 : 3, 0, 0); TRACE2(("gdth_search_drives(): RESERVE_ALL code %d\n", ha->status)); } for (i = 0; i < MAX_RES_ARGS; i += 4) { if (reserve_list[i] == ha->hanum && reserve_list[i+1] < ha->bus_cnt && reserve_list[i+2] < ha->tid_cnt && reserve_list[i+3] < MAXLUN) { TRACE2(("gdth_search_drives(): reserve ha %d bus %d id %d lun %d\n", reserve_list[i], reserve_list[i+1], reserve_list[i+2], reserve_list[i+3])); if (!gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_RESERVE, 0, reserve_list[i+1], reserve_list[i+2] | (reserve_list[i+3] << 8))) { printk("GDT-HA %d: Error raw service (RESERVE, code %d)\n", ha->hanum, ha->status); } } } /* Determine OEM string using IOCTL */ oemstr = (gdth_oem_str_ioctl *)ha->pscratch; oemstr->params.ctl_version = 0x01; oemstr->params.buffer_size = sizeof(oemstr->text); if (gdth_internal_cmd(ha, CACHESERVICE, GDT_IOCTL, CACHE_READ_OEM_STRING_RECORD,INVALID_CHANNEL, sizeof(gdth_oem_str_ioctl))) { TRACE2(("gdth_search_drives(): CACHE_READ_OEM_STRING_RECORD OK\n")); printk("GDT-HA %d: Vendor: %s Name: %s\n", ha->hanum, oemstr->text.oem_company_name, ha->binfo.type_string); /* Save the Host Drive inquiry data */ strlcpy(ha->oem_name,oemstr->text.scsi_host_drive_inquiry_vendor_id, sizeof(ha->oem_name)); } else { /* Old method, based on PCI ID */ TRACE2(("gdth_search_drives(): CACHE_READ_OEM_STRING_RECORD failed\n")); printk("GDT-HA %d: Name: %s\n", ha->hanum, ha->binfo.type_string); if (ha->oem_id == OEM_ID_INTEL) strlcpy(ha->oem_name,"Intel ", sizeof(ha->oem_name)); else strlcpy(ha->oem_name,"ICP ", sizeof(ha->oem_name)); } /* scanning for host drives */ for (i = 0; i < cdev_cnt; ++i) gdth_analyse_hdrive(ha, i); TRACE(("gdth_search_drives() OK\n")); return 1; } static int gdth_analyse_hdrive(gdth_ha_str *ha, u16 hdrive) { u32 drv_cyls; int drv_hds, drv_secs; TRACE(("gdth_analyse_hdrive() hanum %d drive %d\n", ha->hanum, hdrive)); if (hdrive >= MAX_HDRIVES) return 0; if (!gdth_internal_cmd(ha, CACHESERVICE, GDT_INFO, hdrive, 0, 0)) return 0; ha->hdr[hdrive].present = TRUE; ha->hdr[hdrive].size = ha->info; /* evaluate mapping (sectors per head, heads per cylinder) */ ha->hdr[hdrive].size &= ~SECS32; if (ha->info2 == 0) { gdth_eval_mapping(ha->hdr[hdrive].size,&drv_cyls,&drv_hds,&drv_secs); } else { drv_hds = ha->info2 & 0xff; drv_secs = (ha->info2 >> 8) & 0xff; drv_cyls = (u32)ha->hdr[hdrive].size / drv_hds / drv_secs; } ha->hdr[hdrive].heads = (u8)drv_hds; ha->hdr[hdrive].secs = (u8)drv_secs; /* round size */ ha->hdr[hdrive].size = drv_cyls * drv_hds * drv_secs; if (ha->cache_feat & GDT_64BIT) { if (gdth_internal_cmd(ha, CACHESERVICE, GDT_X_INFO, hdrive, 0, 0) && ha->info2 != 0) { ha->hdr[hdrive].size = ((u64)ha->info2 << 32) | ha->info; } } TRACE2(("gdth_search_dr() cdr. %d size %d hds %d scs %d\n", hdrive,ha->hdr[hdrive].size,drv_hds,drv_secs)); /* get informations about device */ if (gdth_internal_cmd(ha, CACHESERVICE, GDT_DEVTYPE, hdrive, 0, 0)) { TRACE2(("gdth_search_dr() cache drive %d devtype %d\n", hdrive,ha->info)); ha->hdr[hdrive].devtype = (u16)ha->info; } /* cluster info */ if (gdth_internal_cmd(ha, CACHESERVICE, GDT_CLUST_INFO, hdrive, 0, 0)) { TRACE2(("gdth_search_dr() cache drive %d cluster info %d\n", hdrive,ha->info)); if (!shared_access) ha->hdr[hdrive].cluster_type = (u8)ha->info; } /* R/W attributes */ if (gdth_internal_cmd(ha, CACHESERVICE, GDT_RW_ATTRIBS, hdrive, 0, 0)) { TRACE2(("gdth_search_dr() cache drive %d r/w attrib. %d\n", hdrive,ha->info)); ha->hdr[hdrive].rw_attribs = (u8)ha->info; } return 1; } /* command queueing/sending functions */ static void gdth_putq(gdth_ha_str *ha, struct scsi_cmnd *scp, u8 priority) { struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); register struct scsi_cmnd *pscp; register struct scsi_cmnd *nscp; unsigned long flags; TRACE(("gdth_putq() priority %d\n",priority)); spin_lock_irqsave(&ha->smp_lock, flags); if (!cmndinfo->internal_command) cmndinfo->priority = priority; if (ha->req_first==NULL) { ha->req_first = scp; /* queue was empty */ scp->SCp.ptr = NULL; } else { /* queue not empty */ pscp = ha->req_first; nscp = (struct scsi_cmnd *)pscp->SCp.ptr; /* priority: 0-highest,..,0xff-lowest */ while (nscp && gdth_cmnd_priv(nscp)->priority <= priority) { pscp = nscp; nscp = (struct scsi_cmnd *)pscp->SCp.ptr; } pscp->SCp.ptr = (char *)scp; scp->SCp.ptr = (char *)nscp; } spin_unlock_irqrestore(&ha->smp_lock, flags); #ifdef GDTH_STATISTICS flags = 0; for (nscp=ha->req_first; nscp; nscp=(struct scsi_cmnd*)nscp->SCp.ptr) ++flags; if (max_rq < flags) { max_rq = flags; TRACE3(("GDT: max_rq = %d\n",(u16)max_rq)); } #endif } static void gdth_next(gdth_ha_str *ha) { register struct scsi_cmnd *pscp; register struct scsi_cmnd *nscp; u8 b, t, l, firsttime; u8 this_cmd, next_cmd; unsigned long flags = 0; int cmd_index; TRACE(("gdth_next() hanum %d\n", ha->hanum)); if (!gdth_polling) spin_lock_irqsave(&ha->smp_lock, flags); ha->cmd_cnt = ha->cmd_offs_dpmem = 0; this_cmd = firsttime = TRUE; next_cmd = gdth_polling ? FALSE:TRUE; cmd_index = 0; for (nscp = pscp = ha->req_first; nscp; nscp = (struct scsi_cmnd *)nscp->SCp.ptr) { struct gdth_cmndinfo *nscp_cmndinfo = gdth_cmnd_priv(nscp); if (nscp != pscp && nscp != (struct scsi_cmnd *)pscp->SCp.ptr) pscp = (struct scsi_cmnd *)pscp->SCp.ptr; if (!nscp_cmndinfo->internal_command) { b = nscp->device->channel; t = nscp->device->id; l = nscp->device->lun; if (nscp_cmndinfo->priority >= DEFAULT_PRI) { if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha,b)].lock) || (b == ha->virt_bus && t < MAX_HDRIVES && ha->hdr[t].lock)) continue; } } else b = t = l = 0; if (firsttime) { if (gdth_test_busy(ha)) { /* controller busy ? */ TRACE(("gdth_next() controller %d busy !\n", ha->hanum)); if (!gdth_polling) { spin_unlock_irqrestore(&ha->smp_lock, flags); return; } while (gdth_test_busy(ha)) gdth_delay(1); } firsttime = FALSE; } if (!nscp_cmndinfo->internal_command) { if (nscp_cmndinfo->phase == -1) { nscp_cmndinfo->phase = CACHESERVICE; /* default: cache svc. */ if (nscp->cmnd[0] == TEST_UNIT_READY) { TRACE2(("TEST_UNIT_READY Bus %d Id %d LUN %d\n", b, t, l)); /* TEST_UNIT_READY -> set scan mode */ if ((ha->scan_mode & 0x0f) == 0) { if (b == 0 && t == 0 && l == 0) { ha->scan_mode |= 1; TRACE2(("Scan mode: 0x%x\n", ha->scan_mode)); } } else if ((ha->scan_mode & 0x0f) == 1) { if (b == 0 && ((t == 0 && l == 1) || (t == 1 && l == 0))) { nscp_cmndinfo->OpCode = GDT_SCAN_START; nscp_cmndinfo->phase = ((ha->scan_mode & 0x10 ? 1:0) << 8) | SCSIRAWSERVICE; ha->scan_mode = 0x12; TRACE2(("Scan mode: 0x%x (SCAN_START)\n", ha->scan_mode)); } else { ha->scan_mode &= 0x10; TRACE2(("Scan mode: 0x%x\n", ha->scan_mode)); } } else if (ha->scan_mode == 0x12) { if (b == ha->bus_cnt && t == ha->tid_cnt-1) { nscp_cmndinfo->phase = SCSIRAWSERVICE; nscp_cmndinfo->OpCode = GDT_SCAN_END; ha->scan_mode &= 0x10; TRACE2(("Scan mode: 0x%x (SCAN_END)\n", ha->scan_mode)); } } } if (b == ha->virt_bus && nscp->cmnd[0] != INQUIRY && nscp->cmnd[0] != READ_CAPACITY && nscp->cmnd[0] != MODE_SENSE && (ha->hdr[t].cluster_type & CLUSTER_DRIVE)) { /* always GDT_CLUST_INFO! */ nscp_cmndinfo->OpCode = GDT_CLUST_INFO; } } } if (nscp_cmndinfo->OpCode != -1) { if ((nscp_cmndinfo->phase & 0xff) == CACHESERVICE) { if (!(cmd_index=gdth_fill_cache_cmd(ha, nscp, t))) this_cmd = FALSE; next_cmd = FALSE; } else if ((nscp_cmndinfo->phase & 0xff) == SCSIRAWSERVICE) { if (!(cmd_index=gdth_fill_raw_cmd(ha, nscp, BUS_L2P(ha, b)))) this_cmd = FALSE; next_cmd = FALSE; } else { memset((char*)nscp->sense_buffer,0,16); nscp->sense_buffer[0] = 0x70; nscp->sense_buffer[2] = NOT_READY; nscp->result = (DID_OK << 16) | (CHECK_CONDITION << 1); if (!nscp_cmndinfo->wait_for_completion) nscp_cmndinfo->wait_for_completion++; else gdth_scsi_done(nscp); } } else if (gdth_cmnd_priv(nscp)->internal_command) { if (!(cmd_index=gdth_special_cmd(ha, nscp))) this_cmd = FALSE; next_cmd = FALSE; } else if (b != ha->virt_bus) { if (ha->raw[BUS_L2P(ha,b)].io_cnt[t] >= GDTH_MAX_RAW || !(cmd_index=gdth_fill_raw_cmd(ha, nscp, BUS_L2P(ha, b)))) this_cmd = FALSE; else ha->raw[BUS_L2P(ha,b)].io_cnt[t]++; } else if (t >= MAX_HDRIVES || !ha->hdr[t].present || l != 0) { TRACE2(("Command 0x%x to bus %d id %d lun %d -> IGNORE\n", nscp->cmnd[0], b, t, l)); nscp->result = DID_BAD_TARGET << 16; if (!nscp_cmndinfo->wait_for_completion) nscp_cmndinfo->wait_for_completion++; else gdth_scsi_done(nscp); } else { switch (nscp->cmnd[0]) { case TEST_UNIT_READY: case INQUIRY: case REQUEST_SENSE: case READ_CAPACITY: case VERIFY: case START_STOP: case MODE_SENSE: case SERVICE_ACTION_IN_16: TRACE(("cache cmd %x/%x/%x/%x/%x/%x\n",nscp->cmnd[0], nscp->cmnd[1],nscp->cmnd[2],nscp->cmnd[3], nscp->cmnd[4],nscp->cmnd[5])); if (ha->hdr[t].media_changed && nscp->cmnd[0] != INQUIRY) { /* return UNIT_ATTENTION */ TRACE2(("cmd 0x%x target %d: UNIT_ATTENTION\n", nscp->cmnd[0], t)); ha->hdr[t].media_changed = FALSE; memset((char*)nscp->sense_buffer,0,16); nscp->sense_buffer[0] = 0x70; nscp->sense_buffer[2] = UNIT_ATTENTION; nscp->result = (DID_OK << 16) | (CHECK_CONDITION << 1); if (!nscp_cmndinfo->wait_for_completion) nscp_cmndinfo->wait_for_completion++; else gdth_scsi_done(nscp); } else if (gdth_internal_cache_cmd(ha, nscp)) gdth_scsi_done(nscp); break; case ALLOW_MEDIUM_REMOVAL: TRACE(("cache cmd %x/%x/%x/%x/%x/%x\n",nscp->cmnd[0], nscp->cmnd[1],nscp->cmnd[2],nscp->cmnd[3], nscp->cmnd[4],nscp->cmnd[5])); if ( (nscp->cmnd[4]&1) && !(ha->hdr[t].devtype&1) ) { TRACE(("Prevent r. nonremov. drive->do nothing\n")); nscp->result = DID_OK << 16; nscp->sense_buffer[0] = 0; if (!nscp_cmndinfo->wait_for_completion) nscp_cmndinfo->wait_for_completion++; else gdth_scsi_done(nscp); } else { nscp->cmnd[3] = (ha->hdr[t].devtype&1) ? 1:0; TRACE(("Prevent/allow r. %d rem. drive %d\n", nscp->cmnd[4],nscp->cmnd[3])); if (!(cmd_index=gdth_fill_cache_cmd(ha, nscp, t))) this_cmd = FALSE; } break; case RESERVE: case RELEASE: TRACE2(("cache cmd %s\n",nscp->cmnd[0] == RESERVE ? "RESERVE" : "RELEASE")); if (!(cmd_index=gdth_fill_cache_cmd(ha, nscp, t))) this_cmd = FALSE; break; case READ_6: case WRITE_6: case READ_10: case WRITE_10: case READ_16: case WRITE_16: if (ha->hdr[t].media_changed) { /* return UNIT_ATTENTION */ TRACE2(("cmd 0x%x target %d: UNIT_ATTENTION\n", nscp->cmnd[0], t)); ha->hdr[t].media_changed = FALSE; memset((char*)nscp->sense_buffer,0,16); nscp->sense_buffer[0] = 0x70; nscp->sense_buffer[2] = UNIT_ATTENTION; nscp->result = (DID_OK << 16) | (CHECK_CONDITION << 1); if (!nscp_cmndinfo->wait_for_completion) nscp_cmndinfo->wait_for_completion++; else gdth_scsi_done(nscp); } else if (!(cmd_index=gdth_fill_cache_cmd(ha, nscp, t))) this_cmd = FALSE; break; default: TRACE2(("cache cmd %x/%x/%x/%x/%x/%x unknown\n",nscp->cmnd[0], nscp->cmnd[1],nscp->cmnd[2],nscp->cmnd[3], nscp->cmnd[4],nscp->cmnd[5])); printk("GDT-HA %d: Unknown SCSI command 0x%x to cache service !\n", ha->hanum, nscp->cmnd[0]); nscp->result = DID_ABORT << 16; if (!nscp_cmndinfo->wait_for_completion) nscp_cmndinfo->wait_for_completion++; else gdth_scsi_done(nscp); break; } } if (!this_cmd) break; if (nscp == ha->req_first) ha->req_first = pscp = (struct scsi_cmnd *)nscp->SCp.ptr; else pscp->SCp.ptr = nscp->SCp.ptr; if (!next_cmd) break; } if (ha->cmd_cnt > 0) { gdth_release_event(ha); } if (!gdth_polling) spin_unlock_irqrestore(&ha->smp_lock, flags); if (gdth_polling && ha->cmd_cnt > 0) { if (!gdth_wait(ha, cmd_index, POLL_TIMEOUT)) printk("GDT-HA %d: Command %d timed out !\n", ha->hanum, cmd_index); } } /* * gdth_copy_internal_data() - copy to/from a buffer onto a scsi_cmnd's * buffers, kmap_atomic() as needed. */ static void gdth_copy_internal_data(gdth_ha_str *ha, struct scsi_cmnd *scp, char *buffer, u16 count) { u16 cpcount,i, max_sg = scsi_sg_count(scp); u16 cpsum,cpnow; struct scatterlist *sl; char *address; cpcount = min_t(u16, count, scsi_bufflen(scp)); if (cpcount) { cpsum=0; scsi_for_each_sg(scp, sl, max_sg, i) { unsigned long flags; cpnow = (u16)sl->length; TRACE(("copy_internal() now %d sum %d count %d %d\n", cpnow, cpsum, cpcount, scsi_bufflen(scp))); if (cpsum+cpnow > cpcount) cpnow = cpcount - cpsum; cpsum += cpnow; if (!sg_page(sl)) { printk("GDT-HA %d: invalid sc/gt element in gdth_copy_internal_data()\n", ha->hanum); return; } local_irq_save(flags); address = kmap_atomic(sg_page(sl)) + sl->offset; memcpy(address, buffer, cpnow); flush_dcache_page(sg_page(sl)); kunmap_atomic(address); local_irq_restore(flags); if (cpsum == cpcount) break; buffer += cpnow; } } else if (count) { printk("GDT-HA %d: SCSI command with no buffers but data transfer expected!\n", ha->hanum); WARN_ON(1); } } static int gdth_internal_cache_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp) { u8 t; gdth_inq_data inq; gdth_rdcap_data rdc; gdth_sense_data sd; gdth_modep_data mpd; struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); t = scp->device->id; TRACE(("gdth_internal_cache_cmd() cmd 0x%x hdrive %d\n", scp->cmnd[0],t)); scp->result = DID_OK << 16; scp->sense_buffer[0] = 0; switch (scp->cmnd[0]) { case TEST_UNIT_READY: case VERIFY: case START_STOP: TRACE2(("Test/Verify/Start hdrive %d\n",t)); break; case INQUIRY: TRACE2(("Inquiry hdrive %d devtype %d\n", t,ha->hdr[t].devtype)); inq.type_qual = (ha->hdr[t].devtype&4) ? TYPE_ROM:TYPE_DISK; /* you can here set all disks to removable, if you want to do a flush using the ALLOW_MEDIUM_REMOVAL command */ inq.modif_rmb = 0x00; if ((ha->hdr[t].devtype & 1) || (ha->hdr[t].cluster_type & CLUSTER_DRIVE)) inq.modif_rmb = 0x80; inq.version = 2; inq.resp_aenc = 2; inq.add_length= 32; strcpy(inq.vendor,ha->oem_name); snprintf(inq.product, sizeof(inq.product), "Host Drive #%02d",t); strcpy(inq.revision," "); gdth_copy_internal_data(ha, scp, (char*)&inq, sizeof(gdth_inq_data)); break; case REQUEST_SENSE: TRACE2(("Request sense hdrive %d\n",t)); sd.errorcode = 0x70; sd.segno = 0x00; sd.key = NO_SENSE; sd.info = 0; sd.add_length= 0; gdth_copy_internal_data(ha, scp, (char*)&sd, sizeof(gdth_sense_data)); break; case MODE_SENSE: TRACE2(("Mode sense hdrive %d\n",t)); memset((char*)&mpd,0,sizeof(gdth_modep_data)); mpd.hd.data_length = sizeof(gdth_modep_data); mpd.hd.dev_par = (ha->hdr[t].devtype&2) ? 0x80:0; mpd.hd.bd_length = sizeof(mpd.bd); mpd.bd.block_length[0] = (SECTOR_SIZE & 0x00ff0000) >> 16; mpd.bd.block_length[1] = (SECTOR_SIZE & 0x0000ff00) >> 8; mpd.bd.block_length[2] = (SECTOR_SIZE & 0x000000ff); gdth_copy_internal_data(ha, scp, (char*)&mpd, sizeof(gdth_modep_data)); break; case READ_CAPACITY: TRACE2(("Read capacity hdrive %d\n",t)); if (ha->hdr[t].size > (u64)0xffffffff) rdc.last_block_no = 0xffffffff; else rdc.last_block_no = cpu_to_be32(ha->hdr[t].size-1); rdc.block_length = cpu_to_be32(SECTOR_SIZE); gdth_copy_internal_data(ha, scp, (char*)&rdc, sizeof(gdth_rdcap_data)); break; case SERVICE_ACTION_IN_16: if ((scp->cmnd[1] & 0x1f) == SAI_READ_CAPACITY_16 && (ha->cache_feat & GDT_64BIT)) { gdth_rdcap16_data rdc16; TRACE2(("Read capacity (16) hdrive %d\n",t)); rdc16.last_block_no = cpu_to_be64(ha->hdr[t].size-1); rdc16.block_length = cpu_to_be32(SECTOR_SIZE); gdth_copy_internal_data(ha, scp, (char*)&rdc16, sizeof(gdth_rdcap16_data)); } else { scp->result = DID_ABORT << 16; } break; default: TRACE2(("Internal cache cmd 0x%x unknown\n",scp->cmnd[0])); break; } if (!cmndinfo->wait_for_completion) cmndinfo->wait_for_completion++; else return 1; return 0; } static int gdth_fill_cache_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp, u16 hdrive) { register gdth_cmd_str *cmdp; struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); u32 cnt, blockcnt; u64 no, blockno; int i, cmd_index, read_write, sgcnt, mode64; cmdp = ha->pccb; TRACE(("gdth_fill_cache_cmd() cmd 0x%x cmdsize %d hdrive %d\n", scp->cmnd[0],scp->cmd_len,hdrive)); mode64 = (ha->cache_feat & GDT_64BIT) ? TRUE : FALSE; /* test for READ_16, WRITE_16 if !mode64 ? --- not required, should not occur due to error return on READ_CAPACITY_16 */ cmdp->Service = CACHESERVICE; cmdp->RequestBuffer = scp; /* search free command index */ if (!(cmd_index=gdth_get_cmd_index(ha))) { TRACE(("GDT: No free command index found\n")); return 0; } /* if it's the first command, set command semaphore */ if (ha->cmd_cnt == 0) gdth_set_sema0(ha); /* fill command */ read_write = 0; if (cmndinfo->OpCode != -1) cmdp->OpCode = cmndinfo->OpCode; /* special cache cmd. */ else if (scp->cmnd[0] == RESERVE) cmdp->OpCode = GDT_RESERVE_DRV; else if (scp->cmnd[0] == RELEASE) cmdp->OpCode = GDT_RELEASE_DRV; else if (scp->cmnd[0] == ALLOW_MEDIUM_REMOVAL) { if (scp->cmnd[4] & 1) /* prevent ? */ cmdp->OpCode = GDT_MOUNT; else if (scp->cmnd[3] & 1) /* removable drive ? */ cmdp->OpCode = GDT_UNMOUNT; else cmdp->OpCode = GDT_FLUSH; } else if (scp->cmnd[0] == WRITE_6 || scp->cmnd[0] == WRITE_10 || scp->cmnd[0] == WRITE_12 || scp->cmnd[0] == WRITE_16 ) { read_write = 1; if (gdth_write_through || ((ha->hdr[hdrive].rw_attribs & 1) && (ha->cache_feat & GDT_WR_THROUGH))) cmdp->OpCode = GDT_WRITE_THR; else cmdp->OpCode = GDT_WRITE; } else { read_write = 2; cmdp->OpCode = GDT_READ; } cmdp->BoardNode = LOCALBOARD; if (mode64) { cmdp->u.cache64.DeviceNo = hdrive; cmdp->u.cache64.BlockNo = 1; cmdp->u.cache64.sg_canz = 0; } else { cmdp->u.cache.DeviceNo = hdrive; cmdp->u.cache.BlockNo = 1; cmdp->u.cache.sg_canz = 0; } if (read_write) { if (scp->cmd_len == 16) { memcpy(&no, &scp->cmnd[2], sizeof(u64)); blockno = be64_to_cpu(no); memcpy(&cnt, &scp->cmnd[10], sizeof(u32)); blockcnt = be32_to_cpu(cnt); } else if (scp->cmd_len == 10) { memcpy(&no, &scp->cmnd[2], sizeof(u32)); blockno = be32_to_cpu(no); memcpy(&cnt, &scp->cmnd[7], sizeof(u16)); blockcnt = be16_to_cpu(cnt); } else { memcpy(&no, &scp->cmnd[0], sizeof(u32)); blockno = be32_to_cpu(no) & 0x001fffffUL; blockcnt= scp->cmnd[4]==0 ? 0x100 : scp->cmnd[4]; } if (mode64) { cmdp->u.cache64.BlockNo = blockno; cmdp->u.cache64.BlockCnt = blockcnt; } else { cmdp->u.cache.BlockNo = (u32)blockno; cmdp->u.cache.BlockCnt = blockcnt; } if (scsi_bufflen(scp)) { cmndinfo->dma_dir = (read_write == 1 ? DMA_TO_DEVICE : DMA_FROM_DEVICE); sgcnt = dma_map_sg(&ha->pdev->dev, scsi_sglist(scp), scsi_sg_count(scp), cmndinfo->dma_dir); if (mode64) { struct scatterlist *sl; cmdp->u.cache64.DestAddr= (u64)-1; cmdp->u.cache64.sg_canz = sgcnt; scsi_for_each_sg(scp, sl, sgcnt, i) { cmdp->u.cache64.sg_lst[i].sg_ptr = sg_dma_address(sl); cmdp->u.cache64.sg_lst[i].sg_len = sg_dma_len(sl); } } else { struct scatterlist *sl; cmdp->u.cache.DestAddr= 0xffffffff; cmdp->u.cache.sg_canz = sgcnt; scsi_for_each_sg(scp, sl, sgcnt, i) { cmdp->u.cache.sg_lst[i].sg_ptr = sg_dma_address(sl); cmdp->u.cache.sg_lst[i].sg_len = sg_dma_len(sl); } } #ifdef GDTH_STATISTICS if (max_sg < (u32)sgcnt) { max_sg = (u32)sgcnt; TRACE3(("GDT: max_sg = %d\n",max_sg)); } #endif } } /* evaluate command size, check space */ if (mode64) { TRACE(("cache cmd: addr. %x sganz %x sgptr0 %x sglen0 %x\n", cmdp->u.cache64.DestAddr,cmdp->u.cache64.sg_canz, cmdp->u.cache64.sg_lst[0].sg_ptr, cmdp->u.cache64.sg_lst[0].sg_len)); TRACE(("cache cmd: cmd %d blockno. %d, blockcnt %d\n", cmdp->OpCode,cmdp->u.cache64.BlockNo,cmdp->u.cache64.BlockCnt)); ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.cache64.sg_lst) + (u16)cmdp->u.cache64.sg_canz * sizeof(gdth_sg64_str); } else { TRACE(("cache cmd: addr. %x sganz %x sgptr0 %x sglen0 %x\n", cmdp->u.cache.DestAddr,cmdp->u.cache.sg_canz, cmdp->u.cache.sg_lst[0].sg_ptr, cmdp->u.cache.sg_lst[0].sg_len)); TRACE(("cache cmd: cmd %d blockno. %d, blockcnt %d\n", cmdp->OpCode,cmdp->u.cache.BlockNo,cmdp->u.cache.BlockCnt)); ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.cache.sg_lst) + (u16)cmdp->u.cache.sg_canz * sizeof(gdth_sg_str); } if (ha->cmd_len & 3) ha->cmd_len += (4 - (ha->cmd_len & 3)); if (ha->cmd_cnt > 0) { if ((ha->cmd_offs_dpmem + ha->cmd_len + DPMEM_COMMAND_OFFSET) > ha->ic_all_size) { TRACE2(("gdth_fill_cache() DPMEM overflow\n")); ha->cmd_tab[cmd_index-2].cmnd = UNUSED_CMND; return 0; } } /* copy command */ gdth_copy_command(ha); return cmd_index; } static int gdth_fill_raw_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp, u8 b) { register gdth_cmd_str *cmdp; u16 i; dma_addr_t sense_paddr; int cmd_index, sgcnt, mode64; u8 t,l; struct gdth_cmndinfo *cmndinfo; t = scp->device->id; l = scp->device->lun; cmdp = ha->pccb; TRACE(("gdth_fill_raw_cmd() cmd 0x%x bus %d ID %d LUN %d\n", scp->cmnd[0],b,t,l)); mode64 = (ha->raw_feat & GDT_64BIT) ? TRUE : FALSE; cmdp->Service = SCSIRAWSERVICE; cmdp->RequestBuffer = scp; /* search free command index */ if (!(cmd_index=gdth_get_cmd_index(ha))) { TRACE(("GDT: No free command index found\n")); return 0; } /* if it's the first command, set command semaphore */ if (ha->cmd_cnt == 0) gdth_set_sema0(ha); cmndinfo = gdth_cmnd_priv(scp); /* fill command */ if (cmndinfo->OpCode != -1) { cmdp->OpCode = cmndinfo->OpCode; /* special raw cmd. */ cmdp->BoardNode = LOCALBOARD; if (mode64) { cmdp->u.raw64.direction = (cmndinfo->phase >> 8); TRACE2(("special raw cmd 0x%x param 0x%x\n", cmdp->OpCode, cmdp->u.raw64.direction)); /* evaluate command size */ ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw64.sg_lst); } else { cmdp->u.raw.direction = (cmndinfo->phase >> 8); TRACE2(("special raw cmd 0x%x param 0x%x\n", cmdp->OpCode, cmdp->u.raw.direction)); /* evaluate command size */ ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw.sg_lst); } } else { sense_paddr = dma_map_single(&ha->pdev->dev, scp->sense_buffer, 16, DMA_FROM_DEVICE); cmndinfo->sense_paddr = sense_paddr; cmdp->OpCode = GDT_WRITE; /* always */ cmdp->BoardNode = LOCALBOARD; if (mode64) { cmdp->u.raw64.reserved = 0; cmdp->u.raw64.mdisc_time = 0; cmdp->u.raw64.mcon_time = 0; cmdp->u.raw64.clen = scp->cmd_len; cmdp->u.raw64.target = t; cmdp->u.raw64.lun = l; cmdp->u.raw64.bus = b; cmdp->u.raw64.priority = 0; cmdp->u.raw64.sdlen = scsi_bufflen(scp); cmdp->u.raw64.sense_len = 16; cmdp->u.raw64.sense_data = sense_paddr; cmdp->u.raw64.direction = gdth_direction_tab[scp->cmnd[0]]==DOU ? GDTH_DATA_OUT:GDTH_DATA_IN; memcpy(cmdp->u.raw64.cmd,scp->cmnd,16); cmdp->u.raw64.sg_ranz = 0; } else { cmdp->u.raw.reserved = 0; cmdp->u.raw.mdisc_time = 0; cmdp->u.raw.mcon_time = 0; cmdp->u.raw.clen = scp->cmd_len; cmdp->u.raw.target = t; cmdp->u.raw.lun = l; cmdp->u.raw.bus = b; cmdp->u.raw.priority = 0; cmdp->u.raw.link_p = 0; cmdp->u.raw.sdlen = scsi_bufflen(scp); cmdp->u.raw.sense_len = 16; cmdp->u.raw.sense_data = sense_paddr; cmdp->u.raw.direction = gdth_direction_tab[scp->cmnd[0]]==DOU ? GDTH_DATA_OUT:GDTH_DATA_IN; memcpy(cmdp->u.raw.cmd,scp->cmnd,12); cmdp->u.raw.sg_ranz = 0; } if (scsi_bufflen(scp)) { cmndinfo->dma_dir = DMA_BIDIRECTIONAL; sgcnt = dma_map_sg(&ha->pdev->dev, scsi_sglist(scp), scsi_sg_count(scp), cmndinfo->dma_dir); if (mode64) { struct scatterlist *sl; cmdp->u.raw64.sdata = (u64)-1; cmdp->u.raw64.sg_ranz = sgcnt; scsi_for_each_sg(scp, sl, sgcnt, i) { cmdp->u.raw64.sg_lst[i].sg_ptr = sg_dma_address(sl); cmdp->u.raw64.sg_lst[i].sg_len = sg_dma_len(sl); } } else { struct scatterlist *sl; cmdp->u.raw.sdata = 0xffffffff; cmdp->u.raw.sg_ranz = sgcnt; scsi_for_each_sg(scp, sl, sgcnt, i) { cmdp->u.raw.sg_lst[i].sg_ptr = sg_dma_address(sl); cmdp->u.raw.sg_lst[i].sg_len = sg_dma_len(sl); } } #ifdef GDTH_STATISTICS if (max_sg < sgcnt) { max_sg = sgcnt; TRACE3(("GDT: max_sg = %d\n",sgcnt)); } #endif } if (mode64) { TRACE(("raw cmd: addr. %x sganz %x sgptr0 %x sglen0 %x\n", cmdp->u.raw64.sdata,cmdp->u.raw64.sg_ranz, cmdp->u.raw64.sg_lst[0].sg_ptr, cmdp->u.raw64.sg_lst[0].sg_len)); /* evaluate command size */ ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw64.sg_lst) + (u16)cmdp->u.raw64.sg_ranz * sizeof(gdth_sg64_str); } else { TRACE(("raw cmd: addr. %x sganz %x sgptr0 %x sglen0 %x\n", cmdp->u.raw.sdata,cmdp->u.raw.sg_ranz, cmdp->u.raw.sg_lst[0].sg_ptr, cmdp->u.raw.sg_lst[0].sg_len)); /* evaluate command size */ ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw.sg_lst) + (u16)cmdp->u.raw.sg_ranz * sizeof(gdth_sg_str); } } /* check space */ if (ha->cmd_len & 3) ha->cmd_len += (4 - (ha->cmd_len & 3)); if (ha->cmd_cnt > 0) { if ((ha->cmd_offs_dpmem + ha->cmd_len + DPMEM_COMMAND_OFFSET) > ha->ic_all_size) { TRACE2(("gdth_fill_raw() DPMEM overflow\n")); ha->cmd_tab[cmd_index-2].cmnd = UNUSED_CMND; return 0; } } /* copy command */ gdth_copy_command(ha); return cmd_index; } static int gdth_special_cmd(gdth_ha_str *ha, struct scsi_cmnd *scp) { register gdth_cmd_str *cmdp; struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); int cmd_index; cmdp= ha->pccb; TRACE2(("gdth_special_cmd(): ")); *cmdp = *cmndinfo->internal_cmd_str; cmdp->RequestBuffer = scp; /* search free command index */ if (!(cmd_index=gdth_get_cmd_index(ha))) { TRACE(("GDT: No free command index found\n")); return 0; } /* if it's the first command, set command semaphore */ if (ha->cmd_cnt == 0) gdth_set_sema0(ha); /* evaluate command size, check space */ if (cmdp->OpCode == GDT_IOCTL) { TRACE2(("IOCTL\n")); ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.ioctl.p_param) + sizeof(u64); } else if (cmdp->Service == CACHESERVICE) { TRACE2(("cache command %d\n",cmdp->OpCode)); if (ha->cache_feat & GDT_64BIT) ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.cache64.sg_lst) + sizeof(gdth_sg64_str); else ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.cache.sg_lst) + sizeof(gdth_sg_str); } else if (cmdp->Service == SCSIRAWSERVICE) { TRACE2(("raw command %d\n",cmdp->OpCode)); if (ha->raw_feat & GDT_64BIT) ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw64.sg_lst) + sizeof(gdth_sg64_str); else ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.raw.sg_lst) + sizeof(gdth_sg_str); } if (ha->cmd_len & 3) ha->cmd_len += (4 - (ha->cmd_len & 3)); if (ha->cmd_cnt > 0) { if ((ha->cmd_offs_dpmem + ha->cmd_len + DPMEM_COMMAND_OFFSET) > ha->ic_all_size) { TRACE2(("gdth_special_cmd() DPMEM overflow\n")); ha->cmd_tab[cmd_index-2].cmnd = UNUSED_CMND; return 0; } } /* copy command */ gdth_copy_command(ha); return cmd_index; } /* Controller event handling functions */ static gdth_evt_str *gdth_store_event(gdth_ha_str *ha, u16 source, u16 idx, gdth_evt_data *evt) { gdth_evt_str *e; /* no GDTH_LOCK_HA() ! */ TRACE2(("gdth_store_event() source %d idx %d\n", source, idx)); if (source == 0) /* no source -> no event */ return NULL; if (ebuffer[elastidx].event_source == source && ebuffer[elastidx].event_idx == idx && ((evt->size != 0 && ebuffer[elastidx].event_data.size != 0 && !memcmp((char *)&ebuffer[elastidx].event_data.eu, (char *)&evt->eu, evt->size)) || (evt->size == 0 && ebuffer[elastidx].event_data.size == 0 && !strcmp((char *)&ebuffer[elastidx].event_data.event_string, (char *)&evt->event_string)))) { e = &ebuffer[elastidx]; e->last_stamp = (u32)ktime_get_real_seconds(); ++e->same_count; } else { if (ebuffer[elastidx].event_source != 0) { /* entry not free ? */ ++elastidx; if (elastidx == MAX_EVENTS) elastidx = 0; if (elastidx == eoldidx) { /* reached mark ? */ ++eoldidx; if (eoldidx == MAX_EVENTS) eoldidx = 0; } } e = &ebuffer[elastidx]; e->event_source = source; e->event_idx = idx; e->first_stamp = e->last_stamp = (u32)ktime_get_real_seconds(); e->same_count = 1; e->event_data = *evt; e->application = 0; } return e; } static int gdth_read_event(gdth_ha_str *ha, int handle, gdth_evt_str *estr) { gdth_evt_str *e; int eindex; unsigned long flags; TRACE2(("gdth_read_event() handle %d\n", handle)); spin_lock_irqsave(&ha->smp_lock, flags); if (handle == -1) eindex = eoldidx; else eindex = handle; estr->event_source = 0; if (eindex < 0 || eindex >= MAX_EVENTS) { spin_unlock_irqrestore(&ha->smp_lock, flags); return eindex; } e = &ebuffer[eindex]; if (e->event_source != 0) { if (eindex != elastidx) { if (++eindex == MAX_EVENTS) eindex = 0; } else { eindex = -1; } memcpy(estr, e, sizeof(gdth_evt_str)); } spin_unlock_irqrestore(&ha->smp_lock, flags); return eindex; } static void gdth_readapp_event(gdth_ha_str *ha, u8 application, gdth_evt_str *estr) { gdth_evt_str *e; int eindex; unsigned long flags; u8 found = FALSE; TRACE2(("gdth_readapp_event() app. %d\n", application)); spin_lock_irqsave(&ha->smp_lock, flags); eindex = eoldidx; for (;;) { e = &ebuffer[eindex]; if (e->event_source == 0) break; if ((e->application & application) == 0) { e->application |= application; found = TRUE; break; } if (eindex == elastidx) break; if (++eindex == MAX_EVENTS) eindex = 0; } if (found) memcpy(estr, e, sizeof(gdth_evt_str)); else estr->event_source = 0; spin_unlock_irqrestore(&ha->smp_lock, flags); } static void gdth_clear_events(void) { TRACE(("gdth_clear_events()")); eoldidx = elastidx = 0; ebuffer[0].event_source = 0; } /* SCSI interface functions */ static irqreturn_t __gdth_interrupt(gdth_ha_str *ha, int gdth_from_wait, int* pIndex) { gdt6m_dpram_str __iomem *dp6m_ptr = NULL; gdt6_dpram_str __iomem *dp6_ptr; struct scsi_cmnd *scp; int rval, i; u8 IStatus; u16 Service; unsigned long flags = 0; TRACE(("gdth_interrupt() IRQ %d\n", ha->irq)); /* if polling and not from gdth_wait() -> return */ if (gdth_polling) { if (!gdth_from_wait) { return IRQ_HANDLED; } } if (!gdth_polling) spin_lock_irqsave(&ha->smp_lock, flags); /* search controller */ IStatus = gdth_get_status(ha); if (IStatus == 0) { /* spurious interrupt */ if (!gdth_polling) spin_unlock_irqrestore(&ha->smp_lock, flags); return IRQ_HANDLED; } #ifdef GDTH_STATISTICS ++act_ints; #endif if (ha->type == GDT_PCI) { dp6_ptr = ha->brd; if (IStatus & 0x80) { /* error flag */ IStatus &= ~0x80; ha->status = readw(&dp6_ptr->u.ic.Status); TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,ha->status)); } else /* no error */ ha->status = S_OK; ha->info = readl(&dp6_ptr->u.ic.Info[0]); ha->service = readw(&dp6_ptr->u.ic.Service); ha->info2 = readl(&dp6_ptr->u.ic.Info[1]); writeb(0xff, &dp6_ptr->io.irqdel); /* acknowledge interrupt */ writeb(0, &dp6_ptr->u.ic.Cmd_Index);/* reset command index */ writeb(0, &dp6_ptr->io.Sema1); /* reset status semaphore */ } else if (ha->type == GDT_PCINEW) { if (IStatus & 0x80) { /* error flag */ IStatus &= ~0x80; ha->status = inw(PTR2USHORT(&ha->plx->status)); TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,ha->status)); } else ha->status = S_OK; ha->info = inl(PTR2USHORT(&ha->plx->info[0])); ha->service = inw(PTR2USHORT(&ha->plx->service)); ha->info2 = inl(PTR2USHORT(&ha->plx->info[1])); outb(0xff, PTR2USHORT(&ha->plx->edoor_reg)); outb(0x00, PTR2USHORT(&ha->plx->sema1_reg)); } else if (ha->type == GDT_PCIMPR) { dp6m_ptr = ha->brd; if (IStatus & 0x80) { /* error flag */ IStatus &= ~0x80; ha->status = readw(&dp6m_ptr->i960r.status); TRACE2(("gdth_interrupt() error %d/%d\n",IStatus,ha->status)); } else /* no error */ ha->status = S_OK; ha->info = readl(&dp6m_ptr->i960r.info[0]); ha->service = readw(&dp6m_ptr->i960r.service); ha->info2 = readl(&dp6m_ptr->i960r.info[1]); /* event string */ if (IStatus == ASYNCINDEX) { if (ha->service != SCREENSERVICE && (ha->fw_vers & 0xff) >= 0x1a) { ha->dvr.severity = readb (&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.severity); for (i = 0; i < 256; ++i) { ha->dvr.event_string[i] = readb (&((gdt6m_dpram_str __iomem *)ha->brd)->i960r.evt_str[i]); if (ha->dvr.event_string[i] == 0) break; } } } writeb(0xff, &dp6m_ptr->i960r.edoor_reg); writeb(0, &dp6m_ptr->i960r.sema1_reg); } else { TRACE2(("gdth_interrupt() unknown controller type\n")); if (!gdth_polling) spin_unlock_irqrestore(&ha->smp_lock, flags); return IRQ_HANDLED; } TRACE(("gdth_interrupt() index %d stat %d info %d\n", IStatus,ha->status,ha->info)); if (gdth_from_wait) { *pIndex = (int)IStatus; } if (IStatus == ASYNCINDEX) { TRACE2(("gdth_interrupt() async. event\n")); gdth_async_event(ha); if (!gdth_polling) spin_unlock_irqrestore(&ha->smp_lock, flags); gdth_next(ha); return IRQ_HANDLED; } if (IStatus == SPEZINDEX) { TRACE2(("Service unknown or not initialized !\n")); ha->dvr.size = sizeof(ha->dvr.eu.driver); ha->dvr.eu.driver.ionode = ha->hanum; gdth_store_event(ha, ES_DRIVER, 4, &ha->dvr); if (!gdth_polling) spin_unlock_irqrestore(&ha->smp_lock, flags); return IRQ_HANDLED; } scp = ha->cmd_tab[IStatus-2].cmnd; Service = ha->cmd_tab[IStatus-2].service; ha->cmd_tab[IStatus-2].cmnd = UNUSED_CMND; if (scp == UNUSED_CMND) { TRACE2(("gdth_interrupt() index to unused command (%d)\n",IStatus)); ha->dvr.size = sizeof(ha->dvr.eu.driver); ha->dvr.eu.driver.ionode = ha->hanum; ha->dvr.eu.driver.index = IStatus; gdth_store_event(ha, ES_DRIVER, 1, &ha->dvr); if (!gdth_polling) spin_unlock_irqrestore(&ha->smp_lock, flags); return IRQ_HANDLED; } if (scp == INTERNAL_CMND) { TRACE(("gdth_interrupt() answer to internal command\n")); if (!gdth_polling) spin_unlock_irqrestore(&ha->smp_lock, flags); return IRQ_HANDLED; } TRACE(("gdth_interrupt() sync. status\n")); rval = gdth_sync_event(ha,Service,IStatus,scp); if (!gdth_polling) spin_unlock_irqrestore(&ha->smp_lock, flags); if (rval == 2) { gdth_putq(ha, scp, gdth_cmnd_priv(scp)->priority); } else if (rval == 1) { gdth_scsi_done(scp); } gdth_next(ha); return IRQ_HANDLED; } static irqreturn_t gdth_interrupt(int irq, void *dev_id) { gdth_ha_str *ha = dev_id; return __gdth_interrupt(ha, false, NULL); } static int gdth_sync_event(gdth_ha_str *ha, int service, u8 index, struct scsi_cmnd *scp) { gdth_msg_str *msg; gdth_cmd_str *cmdp; u8 b, t; struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); cmdp = ha->pccb; TRACE(("gdth_sync_event() serv %d status %d\n", service,ha->status)); if (service == SCREENSERVICE) { msg = ha->pmsg; TRACE(("len: %d, answer: %d, ext: %d, alen: %d\n", msg->msg_len,msg->msg_answer,msg->msg_ext,msg->msg_alen)); if (msg->msg_len > MSGLEN+1) msg->msg_len = MSGLEN+1; if (msg->msg_len) if (!(msg->msg_answer && msg->msg_ext)) { msg->msg_text[msg->msg_len] = '\0'; printk("%s",msg->msg_text); } if (msg->msg_ext && !msg->msg_answer) { while (gdth_test_busy(ha)) gdth_delay(0); cmdp->Service = SCREENSERVICE; cmdp->RequestBuffer = SCREEN_CMND; gdth_get_cmd_index(ha); gdth_set_sema0(ha); cmdp->OpCode = GDT_READ; cmdp->BoardNode = LOCALBOARD; cmdp->u.screen.reserved = 0; cmdp->u.screen.su.msg.msg_handle= msg->msg_handle; cmdp->u.screen.su.msg.msg_addr = ha->msg_phys; ha->cmd_offs_dpmem = 0; ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.su.msg.msg_addr) + sizeof(u64); ha->cmd_cnt = 0; gdth_copy_command(ha); gdth_release_event(ha); return 0; } if (msg->msg_answer && msg->msg_alen) { /* default answers (getchar() not possible) */ if (msg->msg_alen == 1) { msg->msg_alen = 0; msg->msg_len = 1; msg->msg_text[0] = 0; } else { msg->msg_alen -= 2; msg->msg_len = 2; msg->msg_text[0] = 1; msg->msg_text[1] = 0; } msg->msg_ext = 0; msg->msg_answer = 0; while (gdth_test_busy(ha)) gdth_delay(0); cmdp->Service = SCREENSERVICE; cmdp->RequestBuffer = SCREEN_CMND; gdth_get_cmd_index(ha); gdth_set_sema0(ha); cmdp->OpCode = GDT_WRITE; cmdp->BoardNode = LOCALBOARD; cmdp->u.screen.reserved = 0; cmdp->u.screen.su.msg.msg_handle= msg->msg_handle; cmdp->u.screen.su.msg.msg_addr = ha->msg_phys; ha->cmd_offs_dpmem = 0; ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.su.msg.msg_addr) + sizeof(u64); ha->cmd_cnt = 0; gdth_copy_command(ha); gdth_release_event(ha); return 0; } printk("\n"); } else { b = scp->device->channel; t = scp->device->id; if (cmndinfo->OpCode == -1 && b != ha->virt_bus) { ha->raw[BUS_L2P(ha,b)].io_cnt[t]--; } /* cache or raw service */ if (ha->status == S_BSY) { TRACE2(("Controller busy -> retry !\n")); if (cmndinfo->OpCode == GDT_MOUNT) cmndinfo->OpCode = GDT_CLUST_INFO; /* retry */ return 2; } if (scsi_bufflen(scp)) dma_unmap_sg(&ha->pdev->dev, scsi_sglist(scp), scsi_sg_count(scp), cmndinfo->dma_dir); if (cmndinfo->sense_paddr) dma_unmap_page(&ha->pdev->dev, cmndinfo->sense_paddr, 16, DMA_FROM_DEVICE); if (ha->status == S_OK) { cmndinfo->status = S_OK; cmndinfo->info = ha->info; if (cmndinfo->OpCode != -1) { TRACE2(("gdth_sync_event(): special cmd 0x%x OK\n", cmndinfo->OpCode)); /* special commands GDT_CLUST_INFO/GDT_MOUNT ? */ if (cmndinfo->OpCode == GDT_CLUST_INFO) { ha->hdr[t].cluster_type = (u8)ha->info; if (!(ha->hdr[t].cluster_type & CLUSTER_MOUNTED)) { /* NOT MOUNTED -> MOUNT */ cmndinfo->OpCode = GDT_MOUNT; if (ha->hdr[t].cluster_type & CLUSTER_RESERVED) { /* cluster drive RESERVED (on the other node) */ cmndinfo->phase = -2; /* reservation conflict */ } } else { cmndinfo->OpCode = -1; } } else { if (cmndinfo->OpCode == GDT_MOUNT) { ha->hdr[t].cluster_type |= CLUSTER_MOUNTED; ha->hdr[t].media_changed = TRUE; } else if (cmndinfo->OpCode == GDT_UNMOUNT) { ha->hdr[t].cluster_type &= ~CLUSTER_MOUNTED; ha->hdr[t].media_changed = TRUE; } cmndinfo->OpCode = -1; } /* retry */ cmndinfo->priority = HIGH_PRI; return 2; } else { /* RESERVE/RELEASE ? */ if (scp->cmnd[0] == RESERVE) { ha->hdr[t].cluster_type |= CLUSTER_RESERVED; } else if (scp->cmnd[0] == RELEASE) { ha->hdr[t].cluster_type &= ~CLUSTER_RESERVED; } scp->result = DID_OK << 16; scp->sense_buffer[0] = 0; } } else { cmndinfo->status = ha->status; cmndinfo->info = ha->info; if (cmndinfo->OpCode != -1) { TRACE2(("gdth_sync_event(): special cmd 0x%x error 0x%x\n", cmndinfo->OpCode, ha->status)); if (cmndinfo->OpCode == GDT_SCAN_START || cmndinfo->OpCode == GDT_SCAN_END) { cmndinfo->OpCode = -1; /* retry */ cmndinfo->priority = HIGH_PRI; return 2; } memset((char*)scp->sense_buffer,0,16); scp->sense_buffer[0] = 0x70; scp->sense_buffer[2] = NOT_READY; scp->result = (DID_OK << 16) | (CHECK_CONDITION << 1); } else if (service == CACHESERVICE) { if (ha->status == S_CACHE_UNKNOWN && (ha->hdr[t].cluster_type & CLUSTER_RESERVE_STATE) == CLUSTER_RESERVE_STATE) { /* bus reset -> force GDT_CLUST_INFO */ ha->hdr[t].cluster_type &= ~CLUSTER_RESERVED; } memset((char*)scp->sense_buffer,0,16); if (ha->status == (u16)S_CACHE_RESERV) { scp->result = (DID_OK << 16) | (RESERVATION_CONFLICT << 1); } else { scp->sense_buffer[0] = 0x70; scp->sense_buffer[2] = NOT_READY; scp->result = (DID_OK << 16) | (CHECK_CONDITION << 1); } if (!cmndinfo->internal_command) { ha->dvr.size = sizeof(ha->dvr.eu.sync); ha->dvr.eu.sync.ionode = ha->hanum; ha->dvr.eu.sync.service = service; ha->dvr.eu.sync.status = ha->status; ha->dvr.eu.sync.info = ha->info; ha->dvr.eu.sync.hostdrive = t; if (ha->status >= 0x8000) gdth_store_event(ha, ES_SYNC, 0, &ha->dvr); else gdth_store_event(ha, ES_SYNC, service, &ha->dvr); } } else { /* sense buffer filled from controller firmware (DMA) */ if (ha->status != S_RAW_SCSI || ha->info >= 0x100) { scp->result = DID_BAD_TARGET << 16; } else { scp->result = (DID_OK << 16) | ha->info; } } } if (!cmndinfo->wait_for_completion) cmndinfo->wait_for_completion++; else return 1; } return 0; } static char *async_cache_tab[] = { /* 0*/ "\011\000\002\002\002\004\002\006\004" "GDT HA %u, service %u, async. status %u/%lu unknown", /* 1*/ "\011\000\002\002\002\004\002\006\004" "GDT HA %u, service %u, async. status %u/%lu unknown", /* 2*/ "\005\000\002\006\004" "GDT HA %u, Host Drive %lu not ready", /* 3*/ "\005\000\002\006\004" "GDT HA %u, Host Drive %lu: REASSIGN not successful and/or data error on reassigned blocks. Drive may crash in the future and should be replaced", /* 4*/ "\005\000\002\006\004" "GDT HA %u, mirror update on Host Drive %lu failed", /* 5*/ "\005\000\002\006\004" "GDT HA %u, Mirror Drive %lu failed", /* 6*/ "\005\000\002\006\004" "GDT HA %u, Mirror Drive %lu: REASSIGN not successful and/or data error on reassigned blocks. Drive may crash in the future and should be replaced", /* 7*/ "\005\000\002\006\004" "GDT HA %u, Host Drive %lu write protected", /* 8*/ "\005\000\002\006\004" "GDT HA %u, media changed in Host Drive %lu", /* 9*/ "\005\000\002\006\004" "GDT HA %u, Host Drive %lu is offline", /*10*/ "\005\000\002\006\004" "GDT HA %u, media change of Mirror Drive %lu", /*11*/ "\005\000\002\006\004" "GDT HA %u, Mirror Drive %lu is write protected", /*12*/ "\005\000\002\006\004" "GDT HA %u, general error on Host Drive %lu. Please check the devices of this drive!", /*13*/ "\007\000\002\006\002\010\002" "GDT HA %u, Array Drive %u: Cache Drive %u failed", /*14*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: FAIL state entered", /*15*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: error", /*16*/ "\007\000\002\006\002\010\002" "GDT HA %u, Array Drive %u: failed drive replaced by Cache Drive %u", /*17*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: parity build failed", /*18*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: drive rebuild failed", /*19*/ "\005\000\002\010\002" "GDT HA %u, Test of Hot Fix %u failed", /*20*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: drive build finished successfully", /*21*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: drive rebuild finished successfully", /*22*/ "\007\000\002\006\002\010\002" "GDT HA %u, Array Drive %u: Hot Fix %u activated", /*23*/ "\005\000\002\006\002" "GDT HA %u, Host Drive %u: processing of i/o aborted due to serious drive error", /*24*/ "\005\000\002\010\002" "GDT HA %u, mirror update on Cache Drive %u completed", /*25*/ "\005\000\002\010\002" "GDT HA %u, mirror update on Cache Drive %lu failed", /*26*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: drive rebuild started", /*27*/ "\005\000\002\012\001" "GDT HA %u, Fault bus %u: SHELF OK detected", /*28*/ "\005\000\002\012\001" "GDT HA %u, Fault bus %u: SHELF not OK detected", /*29*/ "\007\000\002\012\001\013\001" "GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug started", /*30*/ "\007\000\002\012\001\013\001" "GDT HA %u, Fault bus %u, ID %u: new disk detected", /*31*/ "\007\000\002\012\001\013\001" "GDT HA %u, Fault bus %u, ID %u: old disk detected", /*32*/ "\007\000\002\012\001\013\001" "GDT HA %u, Fault bus %u, ID %u: plugging an active disk is invalid", /*33*/ "\007\000\002\012\001\013\001" "GDT HA %u, Fault bus %u, ID %u: invalid device detected", /*34*/ "\011\000\002\012\001\013\001\006\004" "GDT HA %u, Fault bus %u, ID %u: insufficient disk capacity (%lu MB required)", /*35*/ "\007\000\002\012\001\013\001" "GDT HA %u, Fault bus %u, ID %u: disk write protected", /*36*/ "\007\000\002\012\001\013\001" "GDT HA %u, Fault bus %u, ID %u: disk not available", /*37*/ "\007\000\002\012\001\006\004" "GDT HA %u, Fault bus %u: swap detected (%lu)", /*38*/ "\007\000\002\012\001\013\001" "GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug finished successfully", /*39*/ "\007\000\002\012\001\013\001" "GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug aborted due to user Hot Plug", /*40*/ "\007\000\002\012\001\013\001" "GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug aborted", /*41*/ "\007\000\002\012\001\013\001" "GDT HA %u, Fault bus %u, ID %u: Auto Hot Plug for Hot Fix started", /*42*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: drive build started", /*43*/ "\003\000\002" "GDT HA %u, DRAM parity error detected", /*44*/ "\005\000\002\006\002" "GDT HA %u, Mirror Drive %u: update started", /*45*/ "\007\000\002\006\002\010\002" "GDT HA %u, Mirror Drive %u: Hot Fix %u activated", /*46*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: no matching Pool Hot Fix Drive available", /*47*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: Pool Hot Fix Drive available", /*48*/ "\005\000\002\006\002" "GDT HA %u, Mirror Drive %u: no matching Pool Hot Fix Drive available", /*49*/ "\005\000\002\006\002" "GDT HA %u, Mirror Drive %u: Pool Hot Fix Drive available", /*50*/ "\007\000\002\012\001\013\001" "GDT HA %u, SCSI bus %u, ID %u: IGNORE_WIDE_RESIDUE message received", /*51*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: expand started", /*52*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: expand finished successfully", /*53*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: expand failed", /*54*/ "\003\000\002" "GDT HA %u, CPU temperature critical", /*55*/ "\003\000\002" "GDT HA %u, CPU temperature OK", /*56*/ "\005\000\002\006\004" "GDT HA %u, Host drive %lu created", /*57*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: expand restarted", /*58*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: expand stopped", /*59*/ "\005\000\002\010\002" "GDT HA %u, Mirror Drive %u: drive build quited", /*60*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: parity build quited", /*61*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: drive rebuild quited", /*62*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: parity verify started", /*63*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: parity verify done", /*64*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: parity verify failed", /*65*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: parity error detected", /*66*/ "\005\000\002\006\002" "GDT HA %u, Array Drive %u: parity verify quited", /*67*/ "\005\000\002\006\002" "GDT HA %u, Host Drive %u reserved", /*68*/ "\005\000\002\006\002" "GDT HA %u, Host Drive %u mounted and released", /*69*/ "\005\000\002\006\002" "GDT HA %u, Host Drive %u released", /*70*/ "\003\000\002" "GDT HA %u, DRAM error detected and corrected with ECC", /*71*/ "\003\000\002" "GDT HA %u, Uncorrectable DRAM error detected with ECC", /*72*/ "\011\000\002\012\001\013\001\014\001" "GDT HA %u, SCSI bus %u, ID %u, LUN %u: reassigning block", /*73*/ "\005\000\002\006\002" "GDT HA %u, Host drive %u resetted locally", /*74*/ "\005\000\002\006\002" "GDT HA %u, Host drive %u resetted remotely", /*75*/ "\003\000\002" "GDT HA %u, async. status 75 unknown", }; static int gdth_async_event(gdth_ha_str *ha) { gdth_cmd_str *cmdp; int cmd_index; cmdp= ha->pccb; TRACE2(("gdth_async_event() ha %d serv %d\n", ha->hanum, ha->service)); if (ha->service == SCREENSERVICE) { if (ha->status == MSG_REQUEST) { while (gdth_test_busy(ha)) gdth_delay(0); cmdp->Service = SCREENSERVICE; cmdp->RequestBuffer = SCREEN_CMND; cmd_index = gdth_get_cmd_index(ha); gdth_set_sema0(ha); cmdp->OpCode = GDT_READ; cmdp->BoardNode = LOCALBOARD; cmdp->u.screen.reserved = 0; cmdp->u.screen.su.msg.msg_handle= MSG_INV_HANDLE; cmdp->u.screen.su.msg.msg_addr = ha->msg_phys; ha->cmd_offs_dpmem = 0; ha->cmd_len = GDTOFFSOF(gdth_cmd_str,u.screen.su.msg.msg_addr) + sizeof(u64); ha->cmd_cnt = 0; gdth_copy_command(ha); printk("[PCI %d/%d] ",(u16)(ha->brd_phys>>8), (u16)((ha->brd_phys>>3)&0x1f)); gdth_release_event(ha); } } else { if (ha->type == GDT_PCIMPR && (ha->fw_vers & 0xff) >= 0x1a) { ha->dvr.size = 0; ha->dvr.eu.async.ionode = ha->hanum; ha->dvr.eu.async.status = ha->status; /* severity and event_string already set! */ } else { ha->dvr.size = sizeof(ha->dvr.eu.async); ha->dvr.eu.async.ionode = ha->hanum; ha->dvr.eu.async.service = ha->service; ha->dvr.eu.async.status = ha->status; ha->dvr.eu.async.info = ha->info; *(u32 *)ha->dvr.eu.async.scsi_coord = ha->info2; } gdth_store_event( ha, ES_ASYNC, ha->service, &ha->dvr ); gdth_log_event( &ha->dvr, NULL ); /* new host drive from expand? */ if (ha->service == CACHESERVICE && ha->status == 56) { TRACE2(("gdth_async_event(): new host drive %d created\n", (u16)ha->info)); /* gdth_analyse_hdrive(hanum, (u16)ha->info); */ } } return 1; } static void gdth_log_event(gdth_evt_data *dvr, char *buffer) { gdth_stackframe stack; char *f = NULL; int i,j; TRACE2(("gdth_log_event()\n")); if (dvr->size == 0) { if (buffer == NULL) { printk("Adapter %d: %s\n",dvr->eu.async.ionode,dvr->event_string); } else { sprintf(buffer,"Adapter %d: %s\n", dvr->eu.async.ionode,dvr->event_string); } } else if (dvr->eu.async.service == CACHESERVICE && INDEX_OK(dvr->eu.async.status, async_cache_tab)) { TRACE2(("GDT: Async. event cache service, event no.: %d\n", dvr->eu.async.status)); f = async_cache_tab[dvr->eu.async.status]; /* i: parameter to push, j: stack element to fill */ for (j=0,i=1; i < f[0]; i+=2) { switch (f[i+1]) { case 4: stack.b[j++] = *(u32*)&dvr->eu.stream[(int)f[i]]; break; case 2: stack.b[j++] = *(u16*)&dvr->eu.stream[(int)f[i]]; break; case 1: stack.b[j++] = *(u8*)&dvr->eu.stream[(int)f[i]]; break; default: break; } } if (buffer == NULL) { printk(&f[(int)f[0]],stack); printk("\n"); } else { sprintf(buffer,&f[(int)f[0]],stack); } } else { if (buffer == NULL) { printk("GDT HA %u, Unknown async. event service %d event no. %d\n", dvr->eu.async.ionode,dvr->eu.async.service,dvr->eu.async.status); } else { sprintf(buffer,"GDT HA %u, Unknown async. event service %d event no. %d", dvr->eu.async.ionode,dvr->eu.async.service,dvr->eu.async.status); } } } #ifdef GDTH_STATISTICS static u8 gdth_timer_running; static void gdth_timeout(struct timer_list *unused) { u32 i; struct scsi_cmnd *nscp; gdth_ha_str *ha; unsigned long flags; if(unlikely(list_empty(&gdth_instances))) { gdth_timer_running = 0; return; } ha = list_first_entry(&gdth_instances, gdth_ha_str, list); spin_lock_irqsave(&ha->smp_lock, flags); for (act_stats=0,i=0; i<GDTH_MAXCMDS; ++i) if (ha->cmd_tab[i].cmnd != UNUSED_CMND) ++act_stats; for (act_rq=0, nscp=ha->req_first; nscp; nscp=(struct scsi_cmnd*)nscp->SCp.ptr) ++act_rq; TRACE2(("gdth_to(): ints %d, ios %d, act_stats %d, act_rq %d\n", act_ints, act_ios, act_stats, act_rq)); act_ints = act_ios = 0; gdth_timer.expires = jiffies + 30 * HZ; add_timer(&gdth_timer); spin_unlock_irqrestore(&ha->smp_lock, flags); } static void gdth_timer_init(void) { if (gdth_timer_running) return; gdth_timer_running = 1; TRACE2(("gdth_detect(): Initializing timer !\n")); gdth_timer.expires = jiffies + HZ; add_timer(&gdth_timer); } #else static inline void gdth_timer_init(void) { } #endif static void __init internal_setup(char *str,int *ints) { int i; char *cur_str, *argv; TRACE2(("internal_setup() str %s ints[0] %d\n", str ? str:"NULL", ints ? ints[0]:0)); /* analyse string */ argv = str; while (argv && (cur_str = strchr(argv, ':'))) { int val = 0, c = *++cur_str; if (c == 'n' || c == 'N') val = 0; else if (c == 'y' || c == 'Y') val = 1; else val = (int)simple_strtoul(cur_str, NULL, 0); if (!strncmp(argv, "disable:", 8)) disable = val; else if (!strncmp(argv, "reserve_mode:", 13)) reserve_mode = val; else if (!strncmp(argv, "reverse_scan:", 13)) reverse_scan = val; else if (!strncmp(argv, "hdr_channel:", 12)) hdr_channel = val; else if (!strncmp(argv, "max_ids:", 8)) max_ids = val; else if (!strncmp(argv, "rescan:", 7)) rescan = val; else if (!strncmp(argv, "shared_access:", 14)) shared_access = val; else if (!strncmp(argv, "reserve_list:", 13)) { reserve_list[0] = val; for (i = 1; i < MAX_RES_ARGS; i++) { cur_str = strchr(cur_str, ','); if (!cur_str) break; if (!isdigit((int)*++cur_str)) { --cur_str; break; } reserve_list[i] = (int)simple_strtoul(cur_str, NULL, 0); } if (!cur_str) break; argv = ++cur_str; continue; } if ((argv = strchr(argv, ','))) ++argv; } } int __init option_setup(char *str) { int ints[MAXHA]; char *cur = str; int i = 1; TRACE2(("option_setup() str %s\n", str ? str:"NULL")); while (cur && isdigit(*cur) && i < MAXHA) { ints[i++] = simple_strtoul(cur, NULL, 0); if ((cur = strchr(cur, ',')) != NULL) cur++; } ints[0] = i - 1; internal_setup(cur, ints); return 1; } static const char *gdth_ctr_name(gdth_ha_str *ha) { TRACE2(("gdth_ctr_name()\n")); if (ha->type == GDT_PCI) { switch (ha->pdev->device) { case PCI_DEVICE_ID_VORTEX_GDT60x0: return("GDT6000/6020/6050"); case PCI_DEVICE_ID_VORTEX_GDT6000B: return("GDT6000B/6010"); } } /* new controllers (GDT_PCINEW, GDT_PCIMPR, ..) use board_info IOCTL! */ return(""); } static const char *gdth_info(struct Scsi_Host *shp) { gdth_ha_str *ha = shost_priv(shp); TRACE2(("gdth_info()\n")); return ((const char *)ha->binfo.type_string); } static enum blk_eh_timer_return gdth_timed_out(struct scsi_cmnd *scp) { gdth_ha_str *ha = shost_priv(scp->device->host); struct gdth_cmndinfo *cmndinfo = gdth_cmnd_priv(scp); u8 b, t; unsigned long flags; enum blk_eh_timer_return retval = BLK_EH_DONE; TRACE(("%s() cmd 0x%x\n", scp->cmnd[0], __func__)); b = scp->device->channel; t = scp->device->id; /* * We don't really honor the command timeout, but we try to * honor 6 times of the actual command timeout! So reset the * timer if this is less than 6th timeout on this command! */ if (++cmndinfo->timeout_count < 6) retval = BLK_EH_RESET_TIMER; /* Reset the timeout if it is locked IO */ spin_lock_irqsave(&ha->smp_lock, flags); if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha, b)].lock) || (b == ha->virt_bus && t < MAX_HDRIVES && ha->hdr[t].lock)) { TRACE2(("%s(): locked IO, reset timeout\n", __func__)); retval = BLK_EH_RESET_TIMER; } spin_unlock_irqrestore(&ha->smp_lock, flags); return retval; } static int gdth_eh_bus_reset(struct scsi_cmnd *scp) { gdth_ha_str *ha = shost_priv(scp->device->host); int i; unsigned long flags; struct scsi_cmnd *cmnd; u8 b; TRACE2(("gdth_eh_bus_reset()\n")); b = scp->device->channel; /* clear command tab */ spin_lock_irqsave(&ha->smp_lock, flags); for (i = 0; i < GDTH_MAXCMDS; ++i) { cmnd = ha->cmd_tab[i].cmnd; if (!SPECIAL_SCP(cmnd) && cmnd->device->channel == b) ha->cmd_tab[i].cmnd = UNUSED_CMND; } spin_unlock_irqrestore(&ha->smp_lock, flags); if (b == ha->virt_bus) { /* host drives */ for (i = 0; i < MAX_HDRIVES; ++i) { if (ha->hdr[i].present) { spin_lock_irqsave(&ha->smp_lock, flags); gdth_polling = TRUE; while (gdth_test_busy(ha)) gdth_delay(0); if (gdth_internal_cmd(ha, CACHESERVICE, GDT_CLUST_RESET, i, 0, 0)) ha->hdr[i].cluster_type &= ~CLUSTER_RESERVED; gdth_polling = FALSE; spin_unlock_irqrestore(&ha->smp_lock, flags); } } } else { /* raw devices */ spin_lock_irqsave(&ha->smp_lock, flags); for (i = 0; i < MAXID; ++i) ha->raw[BUS_L2P(ha,b)].io_cnt[i] = 0; gdth_polling = TRUE; while (gdth_test_busy(ha)) gdth_delay(0); gdth_internal_cmd(ha, SCSIRAWSERVICE, GDT_RESET_BUS, BUS_L2P(ha,b), 0, 0); gdth_polling = FALSE; spin_unlock_irqrestore(&ha->smp_lock, flags); } return SUCCESS; } static int gdth_bios_param(struct scsi_device *sdev,struct block_device *bdev,sector_t cap,int *ip) { u8 b, t; gdth_ha_str *ha = shost_priv(sdev->host); struct scsi_device *sd; unsigned capacity; sd = sdev; capacity = cap; b = sd->channel; t = sd->id; TRACE2(("gdth_bios_param() ha %d bus %d target %d\n", ha->hanum, b, t)); if (b != ha->virt_bus || ha->hdr[t].heads == 0) { /* raw device or host drive without mapping information */ TRACE2(("Evaluate mapping\n")); gdth_eval_mapping(capacity,&ip[2],&ip[0],&ip[1]); } else { ip[0] = ha->hdr[t].heads; ip[1] = ha->hdr[t].secs; ip[2] = capacity / ip[0] / ip[1]; } TRACE2(("gdth_bios_param(): %d heads, %d secs, %d cyls\n", ip[0],ip[1],ip[2])); return 0; } static int gdth_queuecommand_lck(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *)) { gdth_ha_str *ha = shost_priv(scp->device->host); struct gdth_cmndinfo *cmndinfo; TRACE(("gdth_queuecommand() cmd 0x%x\n", scp->cmnd[0])); cmndinfo = gdth_get_cmndinfo(ha); BUG_ON(!cmndinfo); scp->scsi_done = done; cmndinfo->timeout_count = 0; cmndinfo->priority = DEFAULT_PRI; return __gdth_queuecommand(ha, scp, cmndinfo); } static DEF_SCSI_QCMD(gdth_queuecommand) static int __gdth_queuecommand(gdth_ha_str *ha, struct scsi_cmnd *scp, struct gdth_cmndinfo *cmndinfo) { scp->host_scribble = (unsigned char *)cmndinfo; cmndinfo->wait_for_completion = 1; cmndinfo->phase = -1; cmndinfo->OpCode = -1; #ifdef GDTH_STATISTICS ++act_ios; #endif gdth_putq(ha, scp, cmndinfo->priority); gdth_next(ha); return 0; } static int gdth_open(struct inode *inode, struct file *filep) { gdth_ha_str *ha; mutex_lock(&gdth_mutex); list_for_each_entry(ha, &gdth_instances, list) { if (!ha->sdev) ha->sdev = scsi_get_host_dev(ha->shost); } mutex_unlock(&gdth_mutex); TRACE(("gdth_open()\n")); return 0; } static int gdth_close(struct inode *inode, struct file *filep) { TRACE(("gdth_close()\n")); return 0; } static int ioc_event(void __user *arg) { gdth_ioctl_event evt; gdth_ha_str *ha; unsigned long flags; if (copy_from_user(&evt, arg, sizeof(gdth_ioctl_event))) return -EFAULT; ha = gdth_find_ha(evt.ionode); if (!ha) return -EFAULT; if (evt.erase == 0xff) { if (evt.event.event_source == ES_TEST) evt.event.event_data.size=sizeof(evt.event.event_data.eu.test); else if (evt.event.event_source == ES_DRIVER) evt.event.event_data.size=sizeof(evt.event.event_data.eu.driver); else if (evt.event.event_source == ES_SYNC) evt.event.event_data.size=sizeof(evt.event.event_data.eu.sync); else evt.event.event_data.size=sizeof(evt.event.event_data.eu.async); spin_lock_irqsave(&ha->smp_lock, flags); gdth_store_event(ha, evt.event.event_source, evt.event.event_idx, &evt.event.event_data); spin_unlock_irqrestore(&ha->smp_lock, flags); } else if (evt.erase == 0xfe) { gdth_clear_events(); } else if (evt.erase == 0) { evt.handle = gdth_read_event(ha, evt.handle, &evt.event); } else { gdth_readapp_event(ha, evt.erase, &evt.event); } if (copy_to_user(arg, &evt, sizeof(gdth_ioctl_event))) return -EFAULT; return 0; } static int ioc_lockdrv(void __user *arg) { gdth_ioctl_lockdrv ldrv; u8 i, j; unsigned long flags; gdth_ha_str *ha; if (copy_from_user(&ldrv, arg, sizeof(gdth_ioctl_lockdrv))) return -EFAULT; ha = gdth_find_ha(ldrv.ionode); if (!ha) return -EFAULT; for (i = 0; i < ldrv.drive_cnt && i < MAX_HDRIVES; ++i) { j = ldrv.drives[i]; if (j >= MAX_HDRIVES || !ha->hdr[j].present) continue; if (ldrv.lock) { spin_lock_irqsave(&ha->smp_lock, flags); ha->hdr[j].lock = 1; spin_unlock_irqrestore(&ha->smp_lock, flags); gdth_wait_completion(ha, ha->bus_cnt, j); } else { spin_lock_irqsave(&ha->smp_lock, flags); ha->hdr[j].lock = 0; spin_unlock_irqrestore(&ha->smp_lock, flags); gdth_next(ha); } } return 0; } static int ioc_resetdrv(void __user *arg, char *cmnd) { gdth_ioctl_reset res; gdth_cmd_str cmd; gdth_ha_str *ha; int rval; if (copy_from_user(&res, arg, sizeof(gdth_ioctl_reset)) || res.number >= MAX_HDRIVES) return -EFAULT; ha = gdth_find_ha(res.ionode); if (!ha) return -EFAULT; if (!ha->hdr[res.number].present) return 0; memset(&cmd, 0, sizeof(gdth_cmd_str)); cmd.Service = CACHESERVICE; cmd.OpCode = GDT_CLUST_RESET; if (ha->cache_feat & GDT_64BIT) cmd.u.cache64.DeviceNo = res.number; else cmd.u.cache.DeviceNo = res.number; rval = __gdth_execute(ha->sdev, &cmd, cmnd, 30, NULL); if (rval < 0) return rval; res.status = rval; if (copy_to_user(arg, &res, sizeof(gdth_ioctl_reset))) return -EFAULT; return 0; } static void gdth_ioc_cacheservice(gdth_ha_str *ha, gdth_ioctl_general *gen, u64 paddr) { if (ha->cache_feat & GDT_64BIT) { /* copy elements from 32-bit IOCTL structure */ gen->command.u.cache64.BlockCnt = gen->command.u.cache.BlockCnt; gen->command.u.cache64.BlockNo = gen->command.u.cache.BlockNo; gen->command.u.cache64.DeviceNo = gen->command.u.cache.DeviceNo; if (ha->cache_feat & SCATTER_GATHER) { gen->command.u.cache64.DestAddr = (u64)-1; gen->command.u.cache64.sg_canz = 1; gen->command.u.cache64.sg_lst[0].sg_ptr = paddr; gen->command.u.cache64.sg_lst[0].sg_len = gen->data_len; gen->command.u.cache64.sg_lst[1].sg_len = 0; } else { gen->command.u.cache64.DestAddr = paddr; gen->command.u.cache64.sg_canz = 0; } } else { if (ha->cache_feat & SCATTER_GATHER) { gen->command.u.cache.DestAddr = 0xffffffff; gen->command.u.cache.sg_canz = 1; gen->command.u.cache.sg_lst[0].sg_ptr = (u32)paddr; gen->command.u.cache.sg_lst[0].sg_len = gen->data_len; gen->command.u.cache.sg_lst[1].sg_len = 0; } else { gen->command.u.cache.DestAddr = paddr; gen->command.u.cache.sg_canz = 0; } } } static void gdth_ioc_scsiraw(gdth_ha_str *ha, gdth_ioctl_general *gen, u64 paddr) { if (ha->raw_feat & GDT_64BIT) { /* copy elements from 32-bit IOCTL structure */ char cmd[16]; gen->command.u.raw64.sense_len = gen->command.u.raw.sense_len; gen->command.u.raw64.bus = gen->command.u.raw.bus; gen->command.u.raw64.lun = gen->command.u.raw.lun; gen->command.u.raw64.target = gen->command.u.raw.target; memcpy(cmd, gen->command.u.raw.cmd, 16); memcpy(gen->command.u.raw64.cmd, cmd, 16); gen->command.u.raw64.clen = gen->command.u.raw.clen; gen->command.u.raw64.sdlen = gen->command.u.raw.sdlen; gen->command.u.raw64.direction = gen->command.u.raw.direction; /* addresses */ if (ha->raw_feat & SCATTER_GATHER) { gen->command.u.raw64.sdata = (u64)-1; gen->command.u.raw64.sg_ranz = 1; gen->command.u.raw64.sg_lst[0].sg_ptr = paddr; gen->command.u.raw64.sg_lst[0].sg_len = gen->data_len; gen->command.u.raw64.sg_lst[1].sg_len = 0; } else { gen->command.u.raw64.sdata = paddr; gen->command.u.raw64.sg_ranz = 0; } gen->command.u.raw64.sense_data = paddr + gen->data_len; } else { if (ha->raw_feat & SCATTER_GATHER) { gen->command.u.raw.sdata = 0xffffffff; gen->command.u.raw.sg_ranz = 1; gen->command.u.raw.sg_lst[0].sg_ptr = (u32)paddr; gen->command.u.raw.sg_lst[0].sg_len = gen->data_len; gen->command.u.raw.sg_lst[1].sg_len = 0; } else { gen->command.u.raw.sdata = paddr; gen->command.u.raw.sg_ranz = 0; } gen->command.u.raw.sense_data = (u32)paddr + gen->data_len; } } static int ioc_general(void __user *arg, char *cmnd) { gdth_ioctl_general gen; gdth_ha_str *ha; char *buf = NULL; dma_addr_t paddr; int rval; if (copy_from_user(&gen, arg, sizeof(gdth_ioctl_general))) return -EFAULT; ha = gdth_find_ha(gen.ionode); if (!ha) return -EFAULT; if (gen.data_len > INT_MAX) return -EINVAL; if (gen.sense_len > INT_MAX) return -EINVAL; if (gen.data_len + gen.sense_len > INT_MAX) return -EINVAL; if (gen.data_len + gen.sense_len > 0) { buf = dma_alloc_coherent(&ha->pdev->dev, gen.data_len + gen.sense_len, &paddr, GFP_KERNEL); if (!buf) return -EFAULT; rval = -EFAULT; if (copy_from_user(buf, arg + sizeof(gdth_ioctl_general), gen.data_len + gen.sense_len)) goto out_free_buf; if (gen.command.OpCode == GDT_IOCTL) gen.command.u.ioctl.p_param = paddr; else if (gen.command.Service == CACHESERVICE) gdth_ioc_cacheservice(ha, &gen, paddr); else if (gen.command.Service == SCSIRAWSERVICE) gdth_ioc_scsiraw(ha, &gen, paddr); else goto out_free_buf; } rval = __gdth_execute(ha->sdev, &gen.command, cmnd, gen.timeout, &gen.info); if (rval < 0) goto out_free_buf; gen.status = rval; rval = -EFAULT; if (copy_to_user(arg + sizeof(gdth_ioctl_general), buf, gen.data_len + gen.sense_len)) goto out_free_buf; if (copy_to_user(arg, &gen, sizeof(gdth_ioctl_general) - sizeof(gdth_cmd_str))) goto out_free_buf; rval = 0; out_free_buf: if (buf) dma_free_coherent(&ha->pdev->dev, gen.data_len + gen.sense_len, buf, paddr); return rval; } static int ioc_hdrlist(void __user *arg, char *cmnd) { gdth_ioctl_rescan *rsc; gdth_cmd_str *cmd; gdth_ha_str *ha; u8 i; int rc = -ENOMEM; u32 cluster_type = 0; rsc = kmalloc(sizeof(*rsc), GFP_KERNEL); cmd = kmalloc(sizeof(*cmd), GFP_KERNEL); if (!rsc || !cmd) goto free_fail; if (copy_from_user(rsc, arg, sizeof(gdth_ioctl_rescan)) || (NULL == (ha = gdth_find_ha(rsc->ionode)))) { rc = -EFAULT; goto free_fail; } memset(cmd, 0, sizeof(gdth_cmd_str)); for (i = 0; i < MAX_HDRIVES; ++i) { if (!ha->hdr[i].present) { rsc->hdr_list[i].bus = 0xff; continue; } rsc->hdr_list[i].bus = ha->virt_bus; rsc->hdr_list[i].target = i; rsc->hdr_list[i].lun = 0; rsc->hdr_list[i].cluster_type = ha->hdr[i].cluster_type; if (ha->hdr[i].cluster_type & CLUSTER_DRIVE) { cmd->Service = CACHESERVICE; cmd->OpCode = GDT_CLUST_INFO; if (ha->cache_feat & GDT_64BIT) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; if (__gdth_execute(ha->sdev, cmd, cmnd, 30, &cluster_type) == S_OK) rsc->hdr_list[i].cluster_type = cluster_type; } } if (copy_to_user(arg, rsc, sizeof(gdth_ioctl_rescan))) rc = -EFAULT; else rc = 0; free_fail: kfree(rsc); kfree(cmd); return rc; } static int ioc_rescan(void __user *arg, char *cmnd) { gdth_ioctl_rescan *rsc; gdth_cmd_str *cmd; u16 i, status, hdr_cnt; u32 info; int cyls, hds, secs; int rc = -ENOMEM; unsigned long flags; gdth_ha_str *ha; rsc = kmalloc(sizeof(*rsc), GFP_KERNEL); cmd = kmalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd || !rsc) goto free_fail; if (copy_from_user(rsc, arg, sizeof(gdth_ioctl_rescan)) || (NULL == (ha = gdth_find_ha(rsc->ionode)))) { rc = -EFAULT; goto free_fail; } memset(cmd, 0, sizeof(gdth_cmd_str)); if (rsc->flag == 0) { /* old method: re-init. cache service */ cmd->Service = CACHESERVICE; if (ha->cache_feat & GDT_64BIT) { cmd->OpCode = GDT_X_INIT_HOST; cmd->u.cache64.DeviceNo = LINUX_OS; } else { cmd->OpCode = GDT_INIT; cmd->u.cache.DeviceNo = LINUX_OS; } status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); i = 0; hdr_cnt = (status == S_OK ? (u16)info : 0); } else { i = rsc->hdr_no; hdr_cnt = i + 1; } for (; i < hdr_cnt && i < MAX_HDRIVES; ++i) { cmd->Service = CACHESERVICE; cmd->OpCode = GDT_INFO; if (ha->cache_feat & GDT_64BIT) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); spin_lock_irqsave(&ha->smp_lock, flags); rsc->hdr_list[i].bus = ha->virt_bus; rsc->hdr_list[i].target = i; rsc->hdr_list[i].lun = 0; if (status != S_OK) { ha->hdr[i].present = FALSE; } else { ha->hdr[i].present = TRUE; ha->hdr[i].size = info; /* evaluate mapping */ ha->hdr[i].size &= ~SECS32; gdth_eval_mapping(ha->hdr[i].size,&cyls,&hds,&secs); ha->hdr[i].heads = hds; ha->hdr[i].secs = secs; /* round size */ ha->hdr[i].size = cyls * hds * secs; } spin_unlock_irqrestore(&ha->smp_lock, flags); if (status != S_OK) continue; /* extended info, if GDT_64BIT, for drives > 2 TB */ /* but we need ha->info2, not yet stored in scp->SCp */ /* devtype, cluster info, R/W attribs */ cmd->Service = CACHESERVICE; cmd->OpCode = GDT_DEVTYPE; if (ha->cache_feat & GDT_64BIT) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); spin_lock_irqsave(&ha->smp_lock, flags); ha->hdr[i].devtype = (status == S_OK ? (u16)info : 0); spin_unlock_irqrestore(&ha->smp_lock, flags); cmd->Service = CACHESERVICE; cmd->OpCode = GDT_CLUST_INFO; if (ha->cache_feat & GDT_64BIT) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); spin_lock_irqsave(&ha->smp_lock, flags); ha->hdr[i].cluster_type = ((status == S_OK && !shared_access) ? (u16)info : 0); spin_unlock_irqrestore(&ha->smp_lock, flags); rsc->hdr_list[i].cluster_type = ha->hdr[i].cluster_type; cmd->Service = CACHESERVICE; cmd->OpCode = GDT_RW_ATTRIBS; if (ha->cache_feat & GDT_64BIT) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); spin_lock_irqsave(&ha->smp_lock, flags); ha->hdr[i].rw_attribs = (status == S_OK ? (u16)info : 0); spin_unlock_irqrestore(&ha->smp_lock, flags); } if (copy_to_user(arg, rsc, sizeof(gdth_ioctl_rescan))) rc = -EFAULT; else rc = 0; free_fail: kfree(rsc); kfree(cmd); return rc; } static int gdth_ioctl(struct file *filep, unsigned int cmd, unsigned long arg) { gdth_ha_str *ha; struct scsi_cmnd *scp; unsigned long flags; char cmnd[MAX_COMMAND_SIZE]; void __user *argp = (void __user *)arg; memset(cmnd, 0xff, 12); TRACE(("gdth_ioctl() cmd 0x%x\n", cmd)); switch (cmd) { case GDTIOCTL_CTRCNT: { int cnt = gdth_ctr_count; if (put_user(cnt, (int __user *)argp)) return -EFAULT; break; } case GDTIOCTL_DRVERS: { int ver = (GDTH_VERSION<<8) | GDTH_SUBVERSION; if (put_user(ver, (int __user *)argp)) return -EFAULT; break; } case GDTIOCTL_OSVERS: { gdth_ioctl_osvers osv; osv.version = (u8)(LINUX_VERSION_CODE >> 16); osv.subversion = (u8)(LINUX_VERSION_CODE >> 8); osv.revision = (u16)(LINUX_VERSION_CODE & 0xff); if (copy_to_user(argp, &osv, sizeof(gdth_ioctl_osvers))) return -EFAULT; break; } case GDTIOCTL_CTRTYPE: { gdth_ioctl_ctrtype ctrt; if (copy_from_user(&ctrt, argp, sizeof(gdth_ioctl_ctrtype)) || (NULL == (ha = gdth_find_ha(ctrt.ionode)))) return -EFAULT; if (ha->type != GDT_PCIMPR) { ctrt.type = (u8)((ha->stype<<4) + 6); } else { ctrt.type = (ha->oem_id == OEM_ID_INTEL ? 0xfd : 0xfe); if (ha->stype >= 0x300) ctrt.ext_type = 0x6000 | ha->pdev->subsystem_device; else ctrt.ext_type = 0x6000 | ha->stype; } ctrt.device_id = ha->pdev->device; ctrt.sub_device_id = ha->pdev->subsystem_device; ctrt.info = ha->brd_phys; ctrt.oem_id = ha->oem_id; if (copy_to_user(argp, &ctrt, sizeof(gdth_ioctl_ctrtype))) return -EFAULT; break; } case GDTIOCTL_GENERAL: return ioc_general(argp, cmnd); case GDTIOCTL_EVENT: return ioc_event(argp); case GDTIOCTL_LOCKDRV: return ioc_lockdrv(argp); case GDTIOCTL_LOCKCHN: { gdth_ioctl_lockchn lchn; u8 i, j; if (copy_from_user(&lchn, argp, sizeof(gdth_ioctl_lockchn)) || (NULL == (ha = gdth_find_ha(lchn.ionode)))) return -EFAULT; i = lchn.channel; if (i < ha->bus_cnt) { if (lchn.lock) { spin_lock_irqsave(&ha->smp_lock, flags); ha->raw[i].lock = 1; spin_unlock_irqrestore(&ha->smp_lock, flags); for (j = 0; j < ha->tid_cnt; ++j) gdth_wait_completion(ha, i, j); } else { spin_lock_irqsave(&ha->smp_lock, flags); ha->raw[i].lock = 0; spin_unlock_irqrestore(&ha->smp_lock, flags); for (j = 0; j < ha->tid_cnt; ++j) gdth_next(ha); } } break; } case GDTIOCTL_RESCAN: return ioc_rescan(argp, cmnd); case GDTIOCTL_HDRLIST: return ioc_hdrlist(argp, cmnd); case GDTIOCTL_RESET_BUS: { gdth_ioctl_reset res; int rval; if (copy_from_user(&res, argp, sizeof(gdth_ioctl_reset)) || (NULL == (ha = gdth_find_ha(res.ionode)))) return -EFAULT; scp = kzalloc(sizeof(*scp), GFP_KERNEL); if (!scp) return -ENOMEM; scp->device = ha->sdev; scp->cmd_len = 12; scp->device->channel = res.number; rval = gdth_eh_bus_reset(scp); res.status = (rval == SUCCESS ? S_OK : S_GENERR); kfree(scp); if (copy_to_user(argp, &res, sizeof(gdth_ioctl_reset))) return -EFAULT; break; } case GDTIOCTL_RESET_DRV: return ioc_resetdrv(argp, cmnd); default: break; } return 0; } static long gdth_unlocked_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { int ret; mutex_lock(&gdth_mutex); ret = gdth_ioctl(file, cmd, arg); mutex_unlock(&gdth_mutex); return ret; } /* flush routine */ static void gdth_flush(gdth_ha_str *ha) { int i; gdth_cmd_str gdtcmd; char cmnd[MAX_COMMAND_SIZE]; memset(cmnd, 0xff, MAX_COMMAND_SIZE); TRACE2(("gdth_flush() hanum %d\n", ha->hanum)); for (i = 0; i < MAX_HDRIVES; ++i) { if (ha->hdr[i].present) { gdtcmd.BoardNode = LOCALBOARD; gdtcmd.Service = CACHESERVICE; gdtcmd.OpCode = GDT_FLUSH; if (ha->cache_feat & GDT_64BIT) { gdtcmd.u.cache64.DeviceNo = i; gdtcmd.u.cache64.BlockNo = 1; gdtcmd.u.cache64.sg_canz = 0; } else { gdtcmd.u.cache.DeviceNo = i; gdtcmd.u.cache.BlockNo = 1; gdtcmd.u.cache.sg_canz = 0; } TRACE2(("gdth_flush(): flush ha %d drive %d\n", ha->hanum, i)); gdth_execute(ha->shost, &gdtcmd, cmnd, 30, NULL); } } } /* configure lun */ static int gdth_slave_configure(struct scsi_device *sdev) { sdev->skip_ms_page_3f = 1; sdev->skip_ms_page_8 = 1; return 0; } static struct scsi_host_template gdth_template = { .name = "GDT SCSI Disk Array Controller", .info = gdth_info, .queuecommand = gdth_queuecommand, .eh_bus_reset_handler = gdth_eh_bus_reset, .slave_configure = gdth_slave_configure, .bios_param = gdth_bios_param, .show_info = gdth_show_info, .write_info = gdth_set_info, .eh_timed_out = gdth_timed_out, .proc_name = "gdth", .can_queue = GDTH_MAXCMDS, .this_id = -1, .sg_tablesize = GDTH_MAXSG, .cmd_per_lun = GDTH_MAXC_P_L, .unchecked_isa_dma = 1, .no_write_same = 1, }; static int gdth_pci_probe_one(gdth_pci_str *pcistr, gdth_ha_str **ha_out) { struct Scsi_Host *shp; gdth_ha_str *ha; dma_addr_t scratch_dma_handle = 0; int error, i; struct pci_dev *pdev = pcistr->pdev; *ha_out = NULL; shp = scsi_host_alloc(&gdth_template, sizeof(gdth_ha_str)); if (!shp) return -ENOMEM; ha = shost_priv(shp); error = -ENODEV; if (!gdth_init_pci(pdev, pcistr, ha)) goto out_host_put; /* controller found and initialized */ printk("Configuring GDT-PCI HA at %d/%d IRQ %u\n", pdev->bus->number, PCI_SLOT(pdev->devfn), ha->irq); error = request_irq(ha->irq, gdth_interrupt, IRQF_SHARED, "gdth", ha); if (error) { printk("GDT-PCI: Unable to allocate IRQ\n"); goto out_host_put; } shp->unchecked_isa_dma = 0; shp->irq = ha->irq; shp->dma_channel = 0xff; ha->hanum = gdth_ctr_count++; ha->shost = shp; ha->pccb = &ha->cmdext; ha->ccb_phys = 0L; error = -ENOMEM; ha->pscratch = dma_alloc_coherent(&ha->pdev->dev, GDTH_SCRATCH, &scratch_dma_handle, GFP_KERNEL); if (!ha->pscratch) goto out_free_irq; ha->scratch_phys = scratch_dma_handle; ha->pmsg = dma_alloc_coherent(&ha->pdev->dev, sizeof(gdth_msg_str), &scratch_dma_handle, GFP_KERNEL); if (!ha->pmsg) goto out_free_pscratch; ha->msg_phys = scratch_dma_handle; ha->scratch_busy = FALSE; ha->req_first = NULL; ha->tid_cnt = pdev->device >= 0x200 ? MAXID : MAX_HDRIVES; if (max_ids > 0 && max_ids < ha->tid_cnt) ha->tid_cnt = max_ids; for (i = 0; i < GDTH_MAXCMDS; ++i) ha->cmd_tab[i].cmnd = UNUSED_CMND; ha->scan_mode = rescan ? 0x10 : 0; error = -ENODEV; if (!gdth_search_drives(ha)) { printk("GDT-PCI %d: Error during device scan\n", ha->hanum); goto out_free_pmsg; } if (hdr_channel < 0 || hdr_channel > ha->bus_cnt) hdr_channel = ha->bus_cnt; ha->virt_bus = hdr_channel; /* 64-bit DMA only supported from FW >= x.43 */ if (!(ha->cache_feat & ha->raw_feat & ha->screen_feat & GDT_64BIT) || !ha->dma64_support) { if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) { printk(KERN_WARNING "GDT-PCI %d: " "Unable to set 32-bit DMA\n", ha->hanum); goto out_free_pmsg; } } else { shp->max_cmd_len = 16; if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) { printk("GDT-PCI %d: 64-bit DMA enabled\n", ha->hanum); } else if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) { printk(KERN_WARNING "GDT-PCI %d: " "Unable to set 64/32-bit DMA\n", ha->hanum); goto out_free_pmsg; } } shp->max_id = ha->tid_cnt; shp->max_lun = MAXLUN; shp->max_channel = ha->bus_cnt; spin_lock_init(&ha->smp_lock); gdth_enable_int(ha); error = scsi_add_host(shp, &pdev->dev); if (error) goto out_free_pmsg; list_add_tail(&ha->list, &gdth_instances); pci_set_drvdata(ha->pdev, ha); gdth_timer_init(); scsi_scan_host(shp); *ha_out = ha; return 0; out_free_pmsg: dma_free_coherent(&ha->pdev->dev, sizeof(gdth_msg_str), ha->pmsg, ha->msg_phys); out_free_pscratch: dma_free_coherent(&ha->pdev->dev, GDTH_SCRATCH, ha->pscratch, ha->scratch_phys); out_free_irq: free_irq(ha->irq, ha); gdth_ctr_count--; out_host_put: scsi_host_put(shp); return error; } static void gdth_remove_one(gdth_ha_str *ha) { struct Scsi_Host *shp = ha->shost; TRACE2(("gdth_remove_one()\n")); scsi_remove_host(shp); gdth_flush(ha); if (ha->sdev) { scsi_free_host_dev(ha->sdev); ha->sdev = NULL; } if (shp->irq) free_irq(shp->irq,ha); if (ha->pscratch) dma_free_coherent(&ha->pdev->dev, GDTH_SCRATCH, ha->pscratch, ha->scratch_phys); if (ha->pmsg) dma_free_coherent(&ha->pdev->dev, sizeof(gdth_msg_str), ha->pmsg, ha->msg_phys); if (ha->ccb_phys) dma_unmap_single(&ha->pdev->dev, ha->ccb_phys, sizeof(gdth_cmd_str), DMA_BIDIRECTIONAL); scsi_host_put(shp); } static int gdth_halt(struct notifier_block *nb, unsigned long event, void *buf) { gdth_ha_str *ha; TRACE2(("gdth_halt() event %d\n", (int)event)); if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF) return NOTIFY_DONE; list_for_each_entry(ha, &gdth_instances, list) gdth_flush(ha); return NOTIFY_OK; } static struct notifier_block gdth_notifier = { gdth_halt, NULL, 0 }; static int __init gdth_init(void) { if (disable) { printk("GDT-HA: Controller driver disabled from" " command line !\n"); return 0; } printk("GDT-HA: Storage RAID Controller Driver. Version: %s\n", GDTH_VERSION_STR); /* initializations */ gdth_polling = TRUE; gdth_clear_events(); timer_setup(&gdth_timer, gdth_timeout, 0); /* scanning for PCI controllers */ if (pci_register_driver(&gdth_pci_driver)) { gdth_ha_str *ha; list_for_each_entry(ha, &gdth_instances, list) gdth_remove_one(ha); return -ENODEV; } TRACE2(("gdth_detect() %d controller detected\n", gdth_ctr_count)); major = register_chrdev(0,"gdth", &gdth_fops); register_reboot_notifier(&gdth_notifier); gdth_polling = FALSE; return 0; } static void __exit gdth_exit(void) { gdth_ha_str *ha; unregister_chrdev(major, "gdth"); unregister_reboot_notifier(&gdth_notifier); #ifdef GDTH_STATISTICS del_timer_sync(&gdth_timer); #endif pci_unregister_driver(&gdth_pci_driver); list_for_each_entry(ha, &gdth_instances, list) gdth_remove_one(ha); } module_init(gdth_init); module_exit(gdth_exit); #ifndef MODULE __setup("gdth=", option_setup); #endif
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