diff options
Diffstat (limited to 'drivers/scsi/ips.c')
| -rw-r--r-- | drivers/scsi/ips.c | 321 |
1 files changed, 150 insertions, 171 deletions
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index 4cdd891..3882d48 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -139,6 +139,7 @@ /* - Remove 3 unused "inline" functions */ /* 7.12.xx - Use STATIC functions whereever possible */ /* - Clean up deprecated MODULE_PARM calls */ +/* 7.12.05 - Remove Version Matching per IBM request */ /*****************************************************************************/ /* @@ -210,7 +211,7 @@ module_param(ips, charp, 0); * DRIVER_VER */ #define IPS_VERSION_HIGH "7.12" -#define IPS_VERSION_LOW ".02 " +#define IPS_VERSION_LOW ".05 " #if !defined(__i386__) && !defined(__ia64__) && !defined(__x86_64__) #warning "This driver has only been tested on the x86/ia64/x86_64 platforms" @@ -219,15 +220,12 @@ module_param(ips, charp, 0); #if LINUX_VERSION_CODE <= KERNEL_VERSION(2,5,0) #include <linux/blk.h> #include "sd.h" -#define IPS_SG_ADDRESS(sg) ((sg)->address) #define IPS_LOCK_SAVE(lock,flags) spin_lock_irqsave(&io_request_lock,flags) #define IPS_UNLOCK_RESTORE(lock,flags) spin_unlock_irqrestore(&io_request_lock,flags) #ifndef __devexit_p #define __devexit_p(x) x #endif #else -#define IPS_SG_ADDRESS(sg) (page_address((sg)->page) ? \ - page_address((sg)->page)+(sg)->offset : NULL) #define IPS_LOCK_SAVE(lock,flags) do{spin_lock(lock);(void)flags;}while(0) #define IPS_UNLOCK_RESTORE(lock,flags) do{spin_unlock(lock);(void)flags;}while(0) #endif @@ -250,7 +248,7 @@ module_param(ips, charp, 0); /* * Function prototypes */ -static int ips_detect(Scsi_Host_Template *); +static int ips_detect(struct scsi_host_template *); static int ips_release(struct Scsi_Host *); static int ips_eh_abort(Scsi_Cmnd *); static int ips_eh_reset(Scsi_Cmnd *); @@ -350,14 +348,15 @@ static int ips_proc_info(struct Scsi_Host *, char *, char **, off_t, int, int); static int ips_host_info(ips_ha_t *, char *, off_t, int); static void copy_mem_info(IPS_INFOSTR *, char *, int); static int copy_info(IPS_INFOSTR *, char *, ...); -static int ips_get_version_info(ips_ha_t * ha, dma_addr_t, int intr); -static void ips_version_check(ips_ha_t * ha, int intr); static int ips_abort_init(ips_ha_t * ha, int index); static int ips_init_phase2(int index); static int ips_init_phase1(struct pci_dev *pci_dev, int *indexPtr); static int ips_register_scsi(int index); +static int ips_poll_for_flush_complete(ips_ha_t * ha); +static void ips_flush_and_reset(ips_ha_t *ha); + /* * global variables */ @@ -378,7 +377,7 @@ static char *ips_FlashData = NULL; /* CD Boot - Flash Data Buffer */ static dma_addr_t ips_flashbusaddr; static long ips_FlashDataInUse; /* CD Boot - Flash Data In Use Flag */ static uint32_t MaxLiteCmds = 32; /* Max Active Cmds for a Lite Adapter */ -static Scsi_Host_Template ips_driver_template = { +static struct scsi_host_template ips_driver_template = { .detect = ips_detect, .release = ips_release, .info = ips_info, @@ -406,8 +405,6 @@ static Scsi_Host_Template ips_driver_template = { #endif }; -static IPS_DEFINE_COMPAT_TABLE( Compatable ); /* Version Compatability Table */ - /* This table describes all ServeRAID Adapters */ static struct pci_device_id ips_pci_table[] = { @@ -590,7 +587,7 @@ __setup("ips=", ips_setup); /* */ /****************************************************************************/ static int -ips_detect(Scsi_Host_Template * SHT) +ips_detect(struct scsi_host_template * SHT) { int i; @@ -1125,8 +1122,8 @@ ips_queue(Scsi_Cmnd * SC, void (*done) (Scsi_Cmnd *)) SC->device->channel, SC->device->id, SC->device->lun); /* Check for command to initiator IDs */ - if ((SC->device->channel > 0) - && (SC->device->id == ha->ha_id[SC->device->channel])) { + if ((scmd_channel(SC) > 0) + && (scmd_id(SC) == ha->ha_id[scmd_channel(SC)])) { SC->result = DID_NO_CONNECT << 16; done(SC); @@ -1265,9 +1262,9 @@ ips_proc24_info(char *buffer, char **start, off_t offset, int length, /* */ /****************************************************************************/ static void -ips_select_queue_depth(struct Scsi_Host *host, Scsi_Device * scsi_devs) +ips_select_queue_depth(struct Scsi_Host *host, struct scsi_device * scsi_devs) { - Scsi_Device *device; + struct scsi_device *device; ips_ha_t *ha; int count = 0; int min; @@ -1310,7 +1307,7 @@ ips_select_queue_depth(struct Scsi_Host *host, Scsi_Device * scsi_devs) /* */ /****************************************************************************/ static int -ips_slave_configure(Scsi_Device * SDptr) +ips_slave_configure(struct scsi_device * SDptr) { ips_ha_t *ha; int min; @@ -1605,6 +1602,8 @@ ips_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, static int ips_is_passthru(Scsi_Cmnd * SC) { + unsigned long flags; + METHOD_TRACE("ips_is_passthru", 1); if (!SC) @@ -1622,10 +1621,20 @@ ips_is_passthru(Scsi_Cmnd * SC) return 1; else if (SC->use_sg) { struct scatterlist *sg = SC->request_buffer; - char *buffer = IPS_SG_ADDRESS(sg); + char *buffer; + + /* kmap_atomic() ensures addressability of the user buffer.*/ + /* local_irq_save() protects the KM_IRQ0 address slot. */ + local_irq_save(flags); + buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; if (buffer && buffer[0] == 'C' && buffer[1] == 'O' && - buffer[2] == 'P' && buffer[3] == 'P') + buffer[2] == 'P' && buffer[3] == 'P') { + kunmap_atomic(buffer - sg->offset, KM_IRQ0); + local_irq_restore(flags); return 1; + } + kunmap_atomic(buffer - sg->offset, KM_IRQ0); + local_irq_restore(flags); } } return 0; @@ -2830,10 +2839,10 @@ ips_next(ips_ha_t * ha, int intr) p = ha->scb_waitlist.head; while ((p) && (scb = ips_getscb(ha))) { - if ((p->device->channel > 0) + if ((scmd_channel(p) > 0) && (ha-> - dcdb_active[p->device->channel - - 1] & (1 << p->device->id))) { + dcdb_active[scmd_channel(p) - + 1] & (1 << scmd_id(p)))) { ips_freescb(ha, scb); p = (Scsi_Cmnd *) p->host_scribble; continue; @@ -3656,14 +3665,21 @@ ips_scmd_buf_write(Scsi_Cmnd * scmd, void *data, unsigned int i; unsigned int min_cnt, xfer_cnt; char *cdata = (char *) data; + unsigned char *buffer; + unsigned long flags; struct scatterlist *sg = scmd->request_buffer; for (i = 0, xfer_cnt = 0; (i < scmd->use_sg) && (xfer_cnt < count); i++) { - if (!IPS_SG_ADDRESS(&sg[i])) - return; min_cnt = min(count - xfer_cnt, sg[i].length); - memcpy(IPS_SG_ADDRESS(&sg[i]), &cdata[xfer_cnt], - min_cnt); + + /* kmap_atomic() ensures addressability of the data buffer.*/ + /* local_irq_save() protects the KM_IRQ0 address slot. */ + local_irq_save(flags); + buffer = kmap_atomic(sg[i].page, KM_IRQ0) + sg[i].offset; + memcpy(buffer, &cdata[xfer_cnt], min_cnt); + kunmap_atomic(buffer - sg[i].offset, KM_IRQ0); + local_irq_restore(flags); + xfer_cnt += min_cnt; } @@ -3688,14 +3704,21 @@ ips_scmd_buf_read(Scsi_Cmnd * scmd, void *data, unsigned int i; unsigned int min_cnt, xfer_cnt; char *cdata = (char *) data; + unsigned char *buffer; + unsigned long flags; struct scatterlist *sg = scmd->request_buffer; for (i = 0, xfer_cnt = 0; (i < scmd->use_sg) && (xfer_cnt < count); i++) { - if (!IPS_SG_ADDRESS(&sg[i])) - return; min_cnt = min(count - xfer_cnt, sg[i].length); - memcpy(&cdata[xfer_cnt], IPS_SG_ADDRESS(&sg[i]), - min_cnt); + + /* kmap_atomic() ensures addressability of the data buffer.*/ + /* local_irq_save() protects the KM_IRQ0 address slot. */ + local_irq_save(flags); + buffer = kmap_atomic(sg[i].page, KM_IRQ0) + sg[i].offset; + memcpy(&cdata[xfer_cnt], buffer, min_cnt); + kunmap_atomic(buffer - sg[i].offset, KM_IRQ0); + local_irq_restore(flags); + xfer_cnt += min_cnt; } @@ -4491,10 +4514,8 @@ ips_free(ips_ha_t * ha) ha->enq = NULL; } - if (ha->conf) { - kfree(ha->conf); - ha->conf = NULL; - } + kfree(ha->conf); + ha->conf = NULL; if (ha->adapt) { pci_free_consistent(ha->pcidev, @@ -4512,15 +4533,11 @@ ips_free(ips_ha_t * ha) ha->logical_drive_info = NULL; } - if (ha->nvram) { - kfree(ha->nvram); - ha->nvram = NULL; - } + kfree(ha->nvram); + ha->nvram = NULL; - if (ha->subsys) { - kfree(ha->subsys); - ha->subsys = NULL; - } + kfree(ha->subsys); + ha->subsys = NULL; if (ha->ioctl_data) { pci_free_consistent(ha->pcidev, ha->ioctl_len, @@ -4807,6 +4824,9 @@ ips_isinit_morpheus(ips_ha_t * ha) uint32_t bits; METHOD_TRACE("ips_is_init_morpheus", 1); + + if (ips_isintr_morpheus(ha)) + ips_flush_and_reset(ha); post = readl(ha->mem_ptr + IPS_REG_I960_MSG0); bits = readl(ha->mem_ptr + IPS_REG_I2O_HIR); @@ -4821,6 +4841,94 @@ ips_isinit_morpheus(ips_ha_t * ha) /****************************************************************************/ /* */ +/* Routine Name: ips_flush_and_reset */ +/* */ +/* Routine Description: */ +/* */ +/* Perform cleanup ( FLUSH and RESET ) when the adapter is in an unknown */ +/* state ( was trying to INIT and an interrupt was already pending ) ... */ +/* */ +/****************************************************************************/ +static void +ips_flush_and_reset(ips_ha_t *ha) +{ + ips_scb_t *scb; + int ret; + int time; + int done; + dma_addr_t command_dma; + + /* Create a usuable SCB */ + scb = pci_alloc_consistent(ha->pcidev, sizeof(ips_scb_t), &command_dma); + if (scb) { + memset(scb, 0, sizeof(ips_scb_t)); + ips_init_scb(ha, scb); + scb->scb_busaddr = command_dma; + + scb->timeout = ips_cmd_timeout; + scb->cdb[0] = IPS_CMD_FLUSH; + + scb->cmd.flush_cache.op_code = IPS_CMD_FLUSH; + scb->cmd.flush_cache.command_id = IPS_MAX_CMDS; /* Use an ID that would otherwise not exist */ + scb->cmd.flush_cache.state = IPS_NORM_STATE; + scb->cmd.flush_cache.reserved = 0; + scb->cmd.flush_cache.reserved2 = 0; + scb->cmd.flush_cache.reserved3 = 0; + scb->cmd.flush_cache.reserved4 = 0; + + ret = ips_send_cmd(ha, scb); /* Send the Flush Command */ + + if (ret == IPS_SUCCESS) { + time = 60 * IPS_ONE_SEC; /* Max Wait time is 60 seconds */ + done = 0; + + while ((time > 0) && (!done)) { + done = ips_poll_for_flush_complete(ha); + /* This may look evil, but it's only done during extremely rare start-up conditions ! */ + udelay(1000); + time--; + } + } + } + + /* Now RESET and INIT the adapter */ + (*ha->func.reset) (ha); + + pci_free_consistent(ha->pcidev, sizeof(ips_scb_t), scb, command_dma); + return; +} + +/****************************************************************************/ +/* */ +/* Routine Name: ips_poll_for_flush_complete */ +/* */ +/* Routine Description: */ +/* */ +/* Poll for the Flush Command issued by ips_flush_and_reset() to complete */ +/* All other responses are just taken off the queue and ignored */ +/* */ +/****************************************************************************/ +static int +ips_poll_for_flush_complete(ips_ha_t * ha) +{ + IPS_STATUS cstatus; + + while (TRUE) { + cstatus.value = (*ha->func.statupd) (ha); + + if (cstatus.value == 0xffffffff) /* If No Interrupt to process */ + break; + + /* Success is when we see the Flush Command ID */ + if (cstatus.fields.command_id == IPS_MAX_CMDS ) + return 1; + } + + return 0; +} + +/****************************************************************************/ +/* */ /* Routine Name: ips_enable_int_copperhead */ /* */ /* Routine Description: */ @@ -5819,7 +5927,7 @@ ips_write_driver_status(ips_ha_t * ha, int intr) strncpy((char *) ha->nvram->bios_high, ha->bios_version, 4); strncpy((char *) ha->nvram->bios_low, ha->bios_version + 4, 4); - ips_version_check(ha, intr); /* Check BIOS/FW/Driver Versions */ + ha->nvram->versioning = 0; /* Indicate the Driver Does Not Support Versioning */ /* now update the page */ if (!ips_readwrite_page5(ha, TRUE, intr)) { @@ -6736,135 +6844,6 @@ ips_verify_bios_memio(ips_ha_t * ha, char *buffer, uint32_t buffersize, return (0); } -/*---------------------------------------------------------------------------*/ -/* Routine Name: ips_version_check */ -/* */ -/* Dependencies: */ -/* Assumes that ips_read_adapter_status() is called first filling in */ -/* the data for SubSystem Parameters. */ -/* Called from ips_write_driver_status() so it also assumes NVRAM Page 5 */ -/* Data is available. */ -/* */ -/*---------------------------------------------------------------------------*/ -static void -ips_version_check(ips_ha_t * ha, int intr) -{ - IPS_VERSION_DATA *VersionInfo; - uint8_t FirmwareVersion[IPS_COMPAT_ID_LENGTH + 1]; - uint8_t BiosVersion[IPS_COMPAT_ID_LENGTH + 1]; - int MatchError; - int rc; - char BiosString[10]; - char FirmwareString[10]; - - METHOD_TRACE("ips_version_check", 1); - - VersionInfo = ( IPS_VERSION_DATA * ) ha->ioctl_data; - - memset(FirmwareVersion, 0, IPS_COMPAT_ID_LENGTH + 1); - memset(BiosVersion, 0, IPS_COMPAT_ID_LENGTH + 1); - - /* Get the Compatible BIOS Version from NVRAM Page 5 */ - memcpy(BiosVersion, ha->nvram->BiosCompatibilityID, - IPS_COMPAT_ID_LENGTH); - - rc = IPS_FAILURE; - if (ha->subsys->param[4] & IPS_GET_VERSION_SUPPORT) { /* If Versioning is Supported */ - /* Get the Version Info with a Get Version Command */ - memset( VersionInfo, 0, sizeof (IPS_VERSION_DATA)); - rc = ips_get_version_info(ha, ha->ioctl_busaddr, intr); - if (rc == IPS_SUCCESS) - memcpy(FirmwareVersion, VersionInfo->compatibilityId, - IPS_COMPAT_ID_LENGTH); - } - - if (rc != IPS_SUCCESS) { /* If Data Not Obtainable from a GetVersion Command */ - /* Get the Firmware Version from Enquiry Data */ - memcpy(FirmwareVersion, ha->enq->CodeBlkVersion, - IPS_COMPAT_ID_LENGTH); - } - - /* printk(KERN_WARNING "Adapter's BIOS Version = %s\n", BiosVersion); */ - /* printk(KERN_WARNING "BIOS Compatible Version = %s\n", IPS_COMPAT_BIOS); */ - /* printk(KERN_WARNING "Adapter's Firmware Version = %s\n", FirmwareVersion); */ - /* printk(KERN_WARNING "Firmware Compatible Version = %s \n", Compatable[ ha->nvram->adapter_type ]); */ - - MatchError = 0; - - if (strncmp - (FirmwareVersion, Compatable[ha->nvram->adapter_type], - IPS_COMPAT_ID_LENGTH) != 0) - MatchError = 1; - - if (strncmp(BiosVersion, IPS_COMPAT_BIOS, IPS_COMPAT_ID_LENGTH) != 0) - MatchError = 1; - - ha->nvram->versioning = 1; /* Indicate the Driver Supports Versioning */ - - if (MatchError) { - ha->nvram->version_mismatch = 1; - if (ips_cd_boot == 0) { - strncpy(&BiosString[0], ha->nvram->bios_high, 4); - strncpy(&BiosString[4], ha->nvram->bios_low, 4); - BiosString[8] = 0; - - strncpy(&FirmwareString[0], ha->enq->CodeBlkVersion, 8); - FirmwareString[8] = 0; - - IPS_PRINTK(KERN_WARNING, ha->pcidev, - "Warning ! ! ! ServeRAID Version Mismatch\n"); - IPS_PRINTK(KERN_WARNING, ha->pcidev, - "Bios = %s, Firmware = %s, Device Driver = %s%s\n", - BiosString, FirmwareString, IPS_VERSION_HIGH, - IPS_VERSION_LOW); - IPS_PRINTK(KERN_WARNING, ha->pcidev, - "These levels should match to avoid possible compatibility problems.\n"); - } - } else { - ha->nvram->version_mismatch = 0; - } - - return; -} - -/*---------------------------------------------------------------------------*/ -/* Routine Name: ips_get_version_info */ -/* */ -/* Routine Description: */ -/* Issue an internal GETVERSION Command */ -/* */ -/* Return Value: */ -/* 0 if Successful, else non-zero */ -/*---------------------------------------------------------------------------*/ -static int -ips_get_version_info(ips_ha_t * ha, dma_addr_t Buffer, int intr) -{ - ips_scb_t *scb; - int rc; - - METHOD_TRACE("ips_get_version_info", 1); - - scb = &ha->scbs[ha->max_cmds - 1]; - - ips_init_scb(ha, scb); - - scb->timeout = ips_cmd_timeout; - scb->cdb[0] = IPS_CMD_GET_VERSION_INFO; - scb->cmd.version_info.op_code = IPS_CMD_GET_VERSION_INFO; - scb->cmd.version_info.command_id = IPS_COMMAND_ID(ha, scb); - scb->cmd.version_info.reserved = 0; - scb->cmd.version_info.count = sizeof (IPS_VERSION_DATA); - scb->cmd.version_info.reserved2 = 0; - scb->data_len = sizeof (IPS_VERSION_DATA); - scb->data_busaddr = Buffer; - scb->cmd.version_info.buffer_addr = Buffer; - scb->flags = 0; - - /* issue command */ - rc = ips_send_wait(ha, scb, ips_cmd_timeout, intr); - return (rc); -} - /****************************************************************************/ /* */ /* Routine Name: ips_abort_init */ |
