diff options
Diffstat (limited to 'drivers/scsi/aacraid/aachba.c')
| -rw-r--r-- | drivers/scsi/aacraid/aachba.c | 400 |
1 files changed, 215 insertions, 185 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index a77ab8d693d..d7235f42cf5 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -31,9 +31,9 @@ #include <linux/slab.h> #include <linux/completion.h> #include <linux/blkdev.h> -#include <linux/dma-mapping.h> #include <asm/semaphore.h> #include <asm/uaccess.h> +#include <linux/highmem.h> /* For flush_kernel_dcache_page */ #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -56,54 +56,54 @@ /* * Sense codes */ - -#define SENCODE_NO_SENSE 0x00 -#define SENCODE_END_OF_DATA 0x00 -#define SENCODE_BECOMING_READY 0x04 -#define SENCODE_INIT_CMD_REQUIRED 0x04 -#define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A -#define SENCODE_INVALID_COMMAND 0x20 -#define SENCODE_LBA_OUT_OF_RANGE 0x21 -#define SENCODE_INVALID_CDB_FIELD 0x24 -#define SENCODE_LUN_NOT_SUPPORTED 0x25 -#define SENCODE_INVALID_PARAM_FIELD 0x26 -#define SENCODE_PARAM_NOT_SUPPORTED 0x26 -#define SENCODE_PARAM_VALUE_INVALID 0x26 -#define SENCODE_RESET_OCCURRED 0x29 -#define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E -#define SENCODE_INQUIRY_DATA_CHANGED 0x3F -#define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39 -#define SENCODE_DIAGNOSTIC_FAILURE 0x40 -#define SENCODE_INTERNAL_TARGET_FAILURE 0x44 -#define SENCODE_INVALID_MESSAGE_ERROR 0x49 -#define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c -#define SENCODE_OVERLAPPED_COMMAND 0x4E + +#define SENCODE_NO_SENSE 0x00 +#define SENCODE_END_OF_DATA 0x00 +#define SENCODE_BECOMING_READY 0x04 +#define SENCODE_INIT_CMD_REQUIRED 0x04 +#define SENCODE_PARAM_LIST_LENGTH_ERROR 0x1A +#define SENCODE_INVALID_COMMAND 0x20 +#define SENCODE_LBA_OUT_OF_RANGE 0x21 +#define SENCODE_INVALID_CDB_FIELD 0x24 +#define SENCODE_LUN_NOT_SUPPORTED 0x25 +#define SENCODE_INVALID_PARAM_FIELD 0x26 +#define SENCODE_PARAM_NOT_SUPPORTED 0x26 +#define SENCODE_PARAM_VALUE_INVALID 0x26 +#define SENCODE_RESET_OCCURRED 0x29 +#define SENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x3E +#define SENCODE_INQUIRY_DATA_CHANGED 0x3F +#define SENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x39 +#define SENCODE_DIAGNOSTIC_FAILURE 0x40 +#define SENCODE_INTERNAL_TARGET_FAILURE 0x44 +#define SENCODE_INVALID_MESSAGE_ERROR 0x49 +#define SENCODE_LUN_FAILED_SELF_CONFIG 0x4c +#define SENCODE_OVERLAPPED_COMMAND 0x4E /* * Additional sense codes */ - -#define ASENCODE_NO_SENSE 0x00 -#define ASENCODE_END_OF_DATA 0x05 -#define ASENCODE_BECOMING_READY 0x01 -#define ASENCODE_INIT_CMD_REQUIRED 0x02 -#define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00 -#define ASENCODE_INVALID_COMMAND 0x00 -#define ASENCODE_LBA_OUT_OF_RANGE 0x00 -#define ASENCODE_INVALID_CDB_FIELD 0x00 -#define ASENCODE_LUN_NOT_SUPPORTED 0x00 -#define ASENCODE_INVALID_PARAM_FIELD 0x00 -#define ASENCODE_PARAM_NOT_SUPPORTED 0x01 -#define ASENCODE_PARAM_VALUE_INVALID 0x02 -#define ASENCODE_RESET_OCCURRED 0x00 -#define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00 -#define ASENCODE_INQUIRY_DATA_CHANGED 0x03 -#define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00 -#define ASENCODE_DIAGNOSTIC_FAILURE 0x80 -#define ASENCODE_INTERNAL_TARGET_FAILURE 0x00 -#define ASENCODE_INVALID_MESSAGE_ERROR 0x00 -#define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00 -#define ASENCODE_OVERLAPPED_COMMAND 0x00 + +#define ASENCODE_NO_SENSE 0x00 +#define ASENCODE_END_OF_DATA 0x05 +#define ASENCODE_BECOMING_READY 0x01 +#define ASENCODE_INIT_CMD_REQUIRED 0x02 +#define ASENCODE_PARAM_LIST_LENGTH_ERROR 0x00 +#define ASENCODE_INVALID_COMMAND 0x00 +#define ASENCODE_LBA_OUT_OF_RANGE 0x00 +#define ASENCODE_INVALID_CDB_FIELD 0x00 +#define ASENCODE_LUN_NOT_SUPPORTED 0x00 +#define ASENCODE_INVALID_PARAM_FIELD 0x00 +#define ASENCODE_PARAM_NOT_SUPPORTED 0x01 +#define ASENCODE_PARAM_VALUE_INVALID 0x02 +#define ASENCODE_RESET_OCCURRED 0x00 +#define ASENCODE_LUN_NOT_SELF_CONFIGURED_YET 0x00 +#define ASENCODE_INQUIRY_DATA_CHANGED 0x03 +#define ASENCODE_SAVING_PARAMS_NOT_SUPPORTED 0x00 +#define ASENCODE_DIAGNOSTIC_FAILURE 0x80 +#define ASENCODE_INTERNAL_TARGET_FAILURE 0x00 +#define ASENCODE_INVALID_MESSAGE_ERROR 0x00 +#define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00 +#define ASENCODE_OVERLAPPED_COMMAND 0x00 #define BYTE0(x) (unsigned char)(x) #define BYTE1(x) (unsigned char)((x) >> 8) @@ -115,8 +115,8 @@ *----------------------------------------------------------------------------*/ /* SCSI inquiry data */ struct inquiry_data { - u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */ - u8 inqd_dtq; /* RMB | Device Type Qualifier */ + u8 inqd_pdt; /* Peripheral qualifier | Peripheral Device Type */ + u8 inqd_dtq; /* RMB | Device Type Qualifier */ u8 inqd_ver; /* ISO version | ECMA version | ANSI-approved version */ u8 inqd_rdf; /* AENC | TrmIOP | Response data format */ u8 inqd_len; /* Additional length (n-4) */ @@ -130,7 +130,7 @@ struct inquiry_data { /* * M O D U L E G L O B A L S */ - + static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap); static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg); static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg); @@ -141,9 +141,10 @@ static char *aac_get_status_string(u32 status); /* * Non dasd selection is handled entirely in aachba now - */ - + */ + static int nondasd = -1; +static int aac_cache = 0; static int dacmode = -1; int aac_commit = -1; @@ -152,6 +153,8 @@ int aif_timeout = 120; module_param(nondasd, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices. 0=off, 1=on"); +module_param_named(cache, aac_cache, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(cache, "Disable Queue Flush commands:\n\tbit 0 - Disable FUA in WRITE SCSI commands\n\tbit 1 - Disable SYNCHRONIZE_CACHE SCSI command\n\tbit 2 - Disable only if Battery not protecting Cache"); module_param(dacmode, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(dacmode, "Control whether dma addressing is using 64 bit DAC. 0=off, 1=on"); module_param_named(commit, aac_commit, int, S_IRUGO|S_IWUSR); @@ -179,7 +182,7 @@ MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health che int aac_check_reset = 1; module_param_named(check_reset, aac_check_reset, int, S_IRUGO|S_IWUSR); -MODULE_PARM_DESC(aac_check_reset, "If adapter fails health check, reset the adapter."); +MODULE_PARM_DESC(aac_check_reset, "If adapter fails health check, reset the adapter. a value of -1 forces the reset to adapters programmed to ignore it."); int expose_physicals = -1; module_param(expose_physicals, int, S_IRUGO|S_IWUSR); @@ -193,12 +196,12 @@ static inline int aac_valid_context(struct scsi_cmnd *scsicmd, struct fib *fibptr) { struct scsi_device *device; - if (unlikely(!scsicmd || !scsicmd->scsi_done )) { + if (unlikely(!scsicmd || !scsicmd->scsi_done)) { dprintk((KERN_WARNING "aac_valid_context: scsi command corrupt\n")); - aac_fib_complete(fibptr); - aac_fib_free(fibptr); - return 0; - } + aac_fib_complete(fibptr); + aac_fib_free(fibptr); + return 0; + } scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL; device = scsicmd->device; if (unlikely(!device || !scsi_device_online(device))) { @@ -240,7 +243,7 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag) FsaNormal, 1, 1, NULL, NULL); - if (status < 0 ) { + if (status < 0) { printk(KERN_WARNING "aac_get_config_status: SendFIB failed.\n"); } else { struct aac_get_config_status_resp *reply @@ -264,10 +267,10 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag) struct aac_commit_config * dinfo; aac_fib_init(fibptr); dinfo = (struct aac_commit_config *) fib_data(fibptr); - + dinfo->command = cpu_to_le32(VM_ContainerConfig); dinfo->type = cpu_to_le32(CT_COMMIT_CONFIG); - + status = aac_fib_send(ContainerCommand, fibptr, sizeof (struct aac_commit_config), @@ -293,7 +296,7 @@ int aac_get_config_status(struct aac_dev *dev, int commit_flag) int aac_get_containers(struct aac_dev *dev) { struct fsa_dev_info *fsa_dev_ptr; - u32 index; + u32 index; int status = 0; struct fib * fibptr; struct aac_get_container_count *dinfo; @@ -363,6 +366,7 @@ static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigne if (buf && transfer_len > 0) memcpy(buf + offset, data, transfer_len); + flush_kernel_dcache_page(kmap_atomic_to_page(buf - sg->offset)); kunmap_atomic(buf - sg->offset, KM_IRQ0); } @@ -395,7 +399,7 @@ static void get_container_name_callback(void *context, struct fib * fibptr) do { *dp++ = (*sp) ? *sp++ : ' '; } while (--count > 0); - aac_internal_transfer(scsicmd, d, + aac_internal_transfer(scsicmd, d, offsetof(struct inquiry_data, inqd_pid), sizeof(d)); } } @@ -431,13 +435,13 @@ static int aac_get_container_name(struct scsi_cmnd * scsicmd) dinfo->count = cpu_to_le32(sizeof(((struct aac_get_name_resp *)NULL)->data)); status = aac_fib_send(ContainerCommand, - cmd_fibcontext, + cmd_fibcontext, sizeof (struct aac_get_name), - FsaNormal, - 0, 1, - (fib_callback) get_container_name_callback, + FsaNormal, + 0, 1, + (fib_callback)get_container_name_callback, (void *) scsicmd); - + /* * Check that the command queued to the controller */ @@ -445,7 +449,7 @@ static int aac_get_container_name(struct scsi_cmnd * scsicmd) scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; return 0; } - + printk(KERN_WARNING "aac_get_container_name: aac_fib_send failed with status: %d.\n", status); aac_fib_complete(cmd_fibcontext); aac_fib_free(cmd_fibcontext); @@ -652,42 +656,47 @@ struct scsi_inq { * @a: string to copy from * @b: string to copy to * - * Copy a String from one location to another + * Copy a String from one location to another * without copying \0 */ static void inqstrcpy(char *a, char *b) { - while(*a != (char)0) + while (*a != (char)0) *b++ = *a++; } static char *container_types[] = { - "None", - "Volume", - "Mirror", - "Stripe", - "RAID5", - "SSRW", - "SSRO", - "Morph", - "Legacy", - "RAID4", - "RAID10", - "RAID00", - "V-MIRRORS", - "PSEUDO R4", + "None", + "Volume", + "Mirror", + "Stripe", + "RAID5", + "SSRW", + "SSRO", + "Morph", + "Legacy", + "RAID4", + "RAID10", + "RAID00", + "V-MIRRORS", + "PSEUDO R4", "RAID50", "RAID5D", "RAID5D0", "RAID1E", "RAID6", "RAID60", - "Unknown" + "Unknown" }; - +char * get_container_type(unsigned tindex) +{ + if (tindex >= ARRAY_SIZE(container_types)) + tindex = ARRAY_SIZE(container_types) - 1; + return container_types[tindex]; +} /* Function: setinqstr * @@ -707,16 +716,21 @@ static void setinqstr(struct aac_dev *dev, void *data, int tindex) if (dev->supplement_adapter_info.AdapterTypeText[0]) { char * cp = dev->supplement_adapter_info.AdapterTypeText; - int c = sizeof(str->vid); - while (*cp && *cp != ' ' && --c) - ++cp; - c = *cp; - *cp = '\0'; - inqstrcpy (dev->supplement_adapter_info.AdapterTypeText, - str->vid); - *cp = c; - while (*cp && *cp != ' ') - ++cp; + int c; + if ((cp[0] == 'A') && (cp[1] == 'O') && (cp[2] == 'C')) + inqstrcpy("SMC", str->vid); + else { + c = sizeof(str->vid); + while (*cp && *cp != ' ' && --c) + ++cp; + c = *cp; + *cp = '\0'; + inqstrcpy (dev->supplement_adapter_info.AdapterTypeText, + str->vid); + *cp = c; + while (*cp && *cp != ' ') + ++cp; + } while (*cp == ' ') ++cp; /* last six chars reserved for vol type */ @@ -898,9 +912,8 @@ static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba) ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 0, 0); memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, - (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(cmd->sense_buffer)) - ? sizeof(cmd->sense_buffer) - : sizeof(dev->fsa_dev[cid].sense_data)); + min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); cmd->scsi_done(cmd); return 1; } @@ -981,7 +994,7 @@ static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 aac_fib_init(fib); readcmd = (struct aac_read *) fib_data(fib); readcmd->command = cpu_to_le32(VM_CtBlockRead); - readcmd->cid = cpu_to_le16(scmd_id(cmd)); + readcmd->cid = cpu_to_le32(scmd_id(cmd)); readcmd->block = cpu_to_le32((u32)(lba&0xffffffff)); readcmd->count = cpu_to_le32(count * 512); @@ -1013,7 +1026,8 @@ static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32)); writecmd->count = cpu_to_le32(count<<9); writecmd->cid = cpu_to_le16(scmd_id(cmd)); - writecmd->flags = fua ? + writecmd->flags = (fua && ((aac_cache & 5) != 1) && + (((aac_cache & 5) != 5) || !fib->dev->cache_protected)) ? cpu_to_le16(IO_TYPE_WRITE|IO_SUREWRITE) : cpu_to_le16(IO_TYPE_WRITE); writecmd->bpTotal = 0; @@ -1072,7 +1086,7 @@ static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u3 aac_fib_init(fib); writecmd = (struct aac_write *) fib_data(fib); writecmd->command = cpu_to_le32(VM_CtBlockWrite); - writecmd->cid = cpu_to_le16(scmd_id(cmd)); + writecmd->cid = cpu_to_le32(scmd_id(cmd)); writecmd->block = cpu_to_le32((u32)(lba&0xffffffff)); writecmd->count = cpu_to_le32(count * 512); writecmd->sg.count = cpu_to_le32(1); @@ -1190,6 +1204,15 @@ static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd) (fib_callback) aac_srb_callback, (void *) cmd); } +static int aac_scsi_32_64(struct fib * fib, struct scsi_cmnd * cmd) +{ + if ((sizeof(dma_addr_t) > 4) && + (num_physpages > (0xFFFFFFFFULL >> PAGE_SHIFT)) && + (fib->dev->adapter_info.options & AAC_OPT_SGMAP_HOST64)) + return FAILED; + return aac_scsi_32(fib, cmd); +} + int aac_get_adapter_info(struct aac_dev* dev) { struct fib* fibptr; @@ -1207,11 +1230,11 @@ int aac_get_adapter_info(struct aac_dev* dev) memset(info,0,sizeof(*info)); rcode = aac_fib_send(RequestAdapterInfo, - fibptr, + fibptr, sizeof(*info), - FsaNormal, + FsaNormal, -1, 1, /* First `interrupt' command uses special wait */ - NULL, + NULL, NULL); if (rcode < 0) { @@ -1222,29 +1245,29 @@ int aac_get_adapter_info(struct aac_dev* dev) memcpy(&dev->adapter_info, info, sizeof(*info)); if (dev->adapter_info.options & AAC_OPT_SUPPLEMENT_ADAPTER_INFO) { - struct aac_supplement_adapter_info * info; + struct aac_supplement_adapter_info * sinfo; aac_fib_init(fibptr); - info = (struct aac_supplement_adapter_info *) fib_data(fibptr); + sinfo = (struct aac_supplement_adapter_info *) fib_data(fibptr); - memset(info,0,sizeof(*info)); + memset(sinfo,0,sizeof(*sinfo)); rcode = aac_fib_send(RequestSupplementAdapterInfo, fibptr, - sizeof(*info), + sizeof(*sinfo), FsaNormal, 1, 1, NULL, NULL); if (rcode >= 0) - memcpy(&dev->supplement_adapter_info, info, sizeof(*info)); + memcpy(&dev->supplement_adapter_info, sinfo, sizeof(*sinfo)); } - /* - * GetBusInfo + /* + * GetBusInfo */ aac_fib_init(fibptr); @@ -1267,6 +1290,8 @@ int aac_get_adapter_info(struct aac_dev* dev) 1, 1, NULL, NULL); + /* reasoned default */ + dev->maximum_num_physicals = 16; if (rcode >= 0 && le32_to_cpu(bus_info->Status) == ST_OK) { dev->maximum_num_physicals = le32_to_cpu(bus_info->TargetsPerBus); dev->maximum_num_channels = le32_to_cpu(bus_info->BusCount); @@ -1276,7 +1301,7 @@ int aac_get_adapter_info(struct aac_dev* dev) char buffer[16]; tmp = le32_to_cpu(dev->adapter_info.kernelrev); printk(KERN_INFO "%s%d: kernel %d.%d-%d[%d] %.*s\n", - dev->name, + dev->name, dev->id, tmp>>24, (tmp>>16)&0xff, @@ -1305,19 +1330,21 @@ int aac_get_adapter_info(struct aac_dev* dev) (int)sizeof(dev->supplement_adapter_info.VpdInfo.Tsid), dev->supplement_adapter_info.VpdInfo.Tsid); } - if (!aac_check_reset || + if (!aac_check_reset || ((aac_check_reset != 1) && (dev->supplement_adapter_info.SupportedOptions2 & - le32_to_cpu(AAC_OPTION_IGNORE_RESET))) { + AAC_OPTION_IGNORE_RESET))) { printk(KERN_INFO "%s%d: Reset Adapter Ignored\n", dev->name, dev->id); } } + dev->cache_protected = 0; + dev->jbod = ((dev->supplement_adapter_info.FeatureBits & + AAC_FEATURE_JBOD) != 0); dev->nondasd_support = 0; dev->raid_scsi_mode = 0; - if(dev->adapter_info.options & AAC_OPT_NONDASD){ + if(dev->adapter_info.options & AAC_OPT_NONDASD) dev->nondasd_support = 1; - } /* * If the firmware supports ROMB RAID/SCSI mode and we are currently @@ -1338,11 +1365,10 @@ int aac_get_adapter_info(struct aac_dev* dev) if (dev->raid_scsi_mode != 0) printk(KERN_INFO "%s%d: ROMB RAID/SCSI mode enabled\n", dev->name, dev->id); - - if(nondasd != -1) { + + if (nondasd != -1) dev->nondasd_support = (nondasd!=0); - } - if(dev->nondasd_support != 0){ + if(dev->nondasd_support != 0) { printk(KERN_INFO "%s%d: Non-DASD support enabled.\n",dev->name, dev->id); } @@ -1371,12 +1397,14 @@ int aac_get_adapter_info(struct aac_dev* dev) rcode = -ENOMEM; } } - /* + /* * Deal with configuring for the individualized limits of each packet * interface. */ dev->a_ops.adapter_scsi = (dev->dac_support) - ? aac_scsi_64 + ? ((aac_get_driver_ident(dev->cardtype)->quirks & AAC_QUIRK_SCSI_32) + ? aac_scsi_32_64 + : aac_scsi_64) : aac_scsi_32; if (dev->raw_io_interface) { dev->a_ops.adapter_bounds = (dev->raw_io_64) @@ -1393,8 +1421,8 @@ int aac_get_adapter_info(struct aac_dev* dev) if (dev->dac_support) { dev->a_ops.adapter_read = aac_read_block64; dev->a_ops.adapter_write = aac_write_block64; - /* - * 38 scatter gather elements + /* + * 38 scatter gather elements */ dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size - @@ -1498,9 +1526,8 @@ static void io_callback(void *context, struct fib * fibptr) ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 0, 0); memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, - (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) - ? sizeof(scsicmd->sense_buffer) - : sizeof(dev->fsa_dev[cid].sense_data)); + min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); } aac_fib_complete(fibptr); aac_fib_free(fibptr); @@ -1524,7 +1551,7 @@ static int aac_read(struct scsi_cmnd * scsicmd) case READ_6: dprintk((KERN_DEBUG "aachba: received a read(6) command on id %d.\n", scmd_id(scsicmd))); - lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | + lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; count = scsicmd->cmnd[4]; @@ -1534,32 +1561,32 @@ static int aac_read(struct scsi_cmnd * scsicmd) case READ_16: dprintk((KERN_DEBUG "aachba: received a read(16) command on id %d.\n", scmd_id(scsicmd))); - lba = ((u64)scsicmd->cmnd[2] << 56) | - ((u64)scsicmd->cmnd[3] << 48) | + lba = ((u64)scsicmd->cmnd[2] << 56) | + ((u64)scsicmd->cmnd[3] << 48) | ((u64)scsicmd->cmnd[4] << 40) | ((u64)scsicmd->cmnd[5] << 32) | - ((u64)scsicmd->cmnd[6] << 24) | + ((u64)scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16) | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; - count = (scsicmd->cmnd[10] << 24) | + count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) | (scsicmd->cmnd[12] << 8) | scsicmd->cmnd[13]; break; case READ_12: dprintk((KERN_DEBUG "aachba: received a read(12) command on id %d.\n", scmd_id(scsicmd))); - lba = ((u64)scsicmd->cmnd[2] << 24) | + lba = ((u64)scsicmd->cmnd[2] << 24) | (scsicmd->cmnd[3] << 16) | - (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; - count = (scsicmd->cmnd[6] << 24) | + (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; + count = (scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16) | - (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; + (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; break; default: dprintk((KERN_DEBUG "aachba: received a read(10) command on id %d.\n", scmd_id(scsicmd))); - lba = ((u64)scsicmd->cmnd[2] << 24) | - (scsicmd->cmnd[3] << 16) | + lba = ((u64)scsicmd->cmnd[2] << 24) | + (scsicmd->cmnd[3] << 16) | (scsicmd->cmnd[4] << 8) | scsicmd->cmnd[5]; count = (scsicmd->cmnd[7] << 8) | scsicmd->cmnd[8]; break; @@ -1584,7 +1611,7 @@ static int aac_read(struct scsi_cmnd * scsicmd) scsicmd->SCp.phase = AAC_OWNER_FIRMWARE; return 0; } - + printk(KERN_WARNING "aac_read: aac_fib_send failed with status: %d.\n", status); /* * For some reason, the Fib didn't queue, return QUEUE_FULL @@ -1619,11 +1646,11 @@ static int aac_write(struct scsi_cmnd * scsicmd) } else if (scsicmd->cmnd[0] == WRITE_16) { /* 16 byte command */ dprintk((KERN_DEBUG "aachba: received a write(16) command on id %d.\n", scmd_id(scsicmd))); - lba = ((u64)scsicmd->cmnd[2] << 56) | + lba = ((u64)scsicmd->cmnd[2] << 56) | ((u64)scsicmd->cmnd[3] << 48) | ((u64)scsicmd->cmnd[4] << 40) | ((u64)scsicmd->cmnd[5] << 32) | - ((u64)scsicmd->cmnd[6] << 24) | + ((u64)scsicmd->cmnd[6] << 24) | (scsicmd->cmnd[7] << 16) | (scsicmd->cmnd[8] << 8) | scsicmd->cmnd[9]; count = (scsicmd->cmnd[10] << 24) | (scsicmd->cmnd[11] << 16) | @@ -1712,8 +1739,8 @@ static void synchronize_callback(void *context, struct fib *fibptr) ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, 0, 0); memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data, - min(sizeof(dev->fsa_dev[cid].sense_data), - sizeof(cmd->sense_buffer))); + min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); } aac_fib_complete(fibptr); @@ -1798,7 +1825,7 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd) if (active) return SCSI_MLQUEUE_DEVICE_BUSY; - aac = (struct aac_dev *)scsicmd->device->host->hostdata; + aac = (struct aac_dev *)sdev->host->hostdata; if (aac->in_reset) return SCSI_MLQUEUE_HOST_BUSY; @@ -1850,14 +1877,14 @@ static int aac_synchronize(struct scsi_cmnd *scsicmd) * Emulate a SCSI command and queue the required request for the * aacraid firmware. */ - + int aac_scsi_cmd(struct scsi_cmnd * scsicmd) { u32 cid; struct Scsi_Host *host = scsicmd->device->host; struct aac_dev *dev = (struct aac_dev *)host->hostdata; struct fsa_dev_info *fsa_dev_ptr = dev->fsa_dev; - + if (fsa_dev_ptr == NULL) return -1; /* @@ -1898,7 +1925,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) } } } else { /* check for physical non-dasd devices */ - if ((dev->nondasd_support == 1) || expose_physicals) { + if (dev->nondasd_support || expose_physicals || + dev->jbod) { if (dev->in_reset) return -1; return aac_send_srb_fib(scsicmd); @@ -1913,7 +1941,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) * else Command for the controller itself */ else if ((scsicmd->cmnd[0] != INQUIRY) && /* only INQUIRY & TUR cmnd supported for controller */ - (scsicmd->cmnd[0] != TEST_UNIT_READY)) + (scsicmd->cmnd[0] != TEST_UNIT_READY)) { dprintk((KERN_WARNING "Only INQUIRY & TUR command supported for controller, rcvd = 0x%x.\n", scsicmd->cmnd[0])); scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; @@ -1922,9 +1950,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) SENCODE_INVALID_COMMAND, ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, - (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) - ? sizeof(scsicmd->sense_buffer) - : sizeof(dev->fsa_dev[cid].sense_data)); + min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); scsicmd->scsi_done(scsicmd); return 0; } @@ -1939,7 +1966,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", cid)); memset(&inq_data, 0, sizeof (struct inquiry_data)); - if (scsicmd->cmnd[1] & 0x1 ) { + if (scsicmd->cmnd[1] & 0x1) { char *arr = (char *)&inq_data; /* EVPD bit set */ @@ -1974,10 +2001,9 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) ASENCODE_NO_SENSE, 0, 7, 2, 0); memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, - (sizeof(dev->fsa_dev[cid].sense_data) > - sizeof(scsicmd->sense_buffer)) - ? sizeof(scsicmd->sense_buffer) - : sizeof(dev->fsa_dev[cid].sense_data)); + min_t(size_t, + sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); } scsicmd->scsi_done(scsicmd); return 0; @@ -2092,7 +2118,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) mode_buf[2] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected bit 4: 0/1 = FUA enabled */ - if (dev->raw_io_interface) + if (dev->raw_io_interface && ((aac_cache & 5) != 1)) mode_buf[2] = 0x10; mode_buf[3] = 0; /* Block descriptor length */ if (((scsicmd->cmnd[2] & 0x3f) == 8) || @@ -2100,7 +2126,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) mode_buf[0] = 6; mode_buf[4] = 8; mode_buf[5] = 1; - mode_buf[6] = 0x04; /* WCE */ + mode_buf[6] = ((aac_cache & 6) == 2) + ? 0 : 0x04; /* WCE */ mode_buf_length = 7; if (mode_buf_length > scsicmd->cmnd[4]) mode_buf_length = scsicmd->cmnd[4]; @@ -2123,7 +2150,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) mode_buf[3] = 0; /* Device-specific param, bit 8: 0/1 = write enabled/protected bit 4: 0/1 = FUA enabled */ - if (dev->raw_io_interface) + if (dev->raw_io_interface && ((aac_cache & 5) != 1)) mode_buf[3] = 0x10; mode_buf[4] = 0; /* reserved */ mode_buf[5] = 0; /* reserved */ @@ -2134,7 +2161,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) mode_buf[1] = 9; mode_buf[8] = 8; mode_buf[9] = 1; - mode_buf[10] = 0x04; /* WCE */ + mode_buf[10] = ((aac_cache & 6) == 2) + ? 0 : 0x04; /* WCE */ mode_buf_length = 11; if (mode_buf_length > scsicmd->cmnd[8]) mode_buf_length = scsicmd->cmnd[8]; @@ -2179,7 +2207,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) return 0; } - switch (scsicmd->cmnd[0]) + switch (scsicmd->cmnd[0]) { case READ_6: case READ_10: @@ -2192,11 +2220,11 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) * corresponds to a container. Needed to convert * containers to /dev/sd device names */ - + if (scsicmd->request->rq_disk) strlcpy(fsa_dev_ptr[cid].devname, scsicmd->request->rq_disk->disk_name, - min(sizeof(fsa_dev_ptr[cid].devname), + min(sizeof(fsa_dev_ptr[cid].devname), sizeof(scsicmd->request->rq_disk->disk_name) + 1)); return aac_read(scsicmd); @@ -2210,9 +2238,16 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) return aac_write(scsicmd); case SYNCHRONIZE_CACHE: + if (((aac_cache & 6) == 6) && dev->cache_protected) { + scsicmd->result = DID_OK << 16 | + COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; + scsicmd->scsi_done(scsicmd); + return 0; + } /* Issue FIB to tell Firmware to flush it's cache */ - return aac_synchronize(scsicmd); - + if ((aac_cache & 6) != 2) + return aac_synchronize(scsicmd); + /* FALLTHRU */ default: /* * Unhandled commands @@ -2223,9 +2258,9 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, ASENCODE_INVALID_COMMAND, 0, 0, 0, 0); memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, - (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer)) - ? sizeof(scsicmd->sense_buffer) - : sizeof(dev->fsa_dev[cid].sense_data)); + min_t(size_t, + sizeof(dev->fsa_dev[cid].sense_data), + SCSI_SENSE_BUFFERSIZE)); scsicmd->scsi_done(scsicmd); return 0; } @@ -2243,7 +2278,7 @@ static int query_disk(struct aac_dev *dev, void __user *arg) return -EFAULT; if (qd.cnum == -1) qd.cnum = qd.id; - else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) + else if ((qd.bus == -1) && (qd.id == -1) && (qd.lun == -1)) { if (qd.cnum < 0 || qd.cnum >= dev->maximum_num_containers) return -EINVAL; @@ -2370,7 +2405,7 @@ static void aac_srb_callback(void *context, struct fib * fibptr) scsicmd->sense_buffer[0] = '\0'; /* Initialize sense valid flag to false */ /* - * Calculate resid for sg + * Calculate resid for sg */ scsi_set_resid(scsicmd, scsi_bufflen(scsicmd) @@ -2385,10 +2420,8 @@ static void aac_srb_callback(void *context, struct fib * fibptr) if (le32_to_cpu(srbreply->status) != ST_OK){ int len; printk(KERN_WARNING "aac_srb_callback: srb failed, status = %d\n", le32_to_cpu(srbreply->status)); - len = (le32_to_cpu(srbreply->sense_data_size) > - sizeof(scsicmd->sense_buffer)) ? - sizeof(scsicmd->sense_buffer) : - le32_to_cpu(srbreply->sense_data_size); + len = min_t(u32, le32_to_cpu(srbreply->sense_data_size), + SCSI_SENSE_BUFFERSIZE); scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); } @@ -2412,7 +2445,7 @@ static void aac_srb_callback(void *context, struct fib * fibptr) case WRITE_12: case READ_16: case WRITE_16: - if(le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow ) { + if (le32_to_cpu(srbreply->data_xfer_length) < scsicmd->underflow) { printk(KERN_WARNING"aacraid: SCSI CMD underflow\n"); } else { printk(KERN_WARNING"aacraid: SCSI CMD Data Overrun\n"); @@ -2481,26 +2514,23 @@ static void aac_srb_callback(void *context, struct fib * fibptr) printk("aacraid: SRB ERROR(%u) %s scsi cmd 0x%x - scsi status 0x%x\n", le32_to_cpu(srbreply->srb_status) & 0x3F, aac_get_status_string( - le32_to_cpu(srbreply->srb_status) & 0x3F), - scsicmd->cmnd[0], + le32_to_cpu(srbreply->srb_status) & 0x3F), + scsicmd->cmnd[0], le32_to_cpu(srbreply->scsi_status)); #endif scsicmd->result = DID_ERROR << 16 | COMMAND_COMPLETE << 8; break; } - if (le32_to_cpu(srbreply->scsi_status) == 0x02 ){ // Check Condition + if (le32_to_cpu(srbreply->scsi_status) == SAM_STAT_CHECK_CONDITION) { int len; scsicmd->result |= SAM_STAT_CHECK_CONDITION; - len = (le32_to_cpu(srbreply->sense_data_size) > - sizeof(scsicmd->sense_buffer)) ? - sizeof(scsicmd->sense_buffer) : - le32_to_cpu(srbreply->sense_data_size); + len = min_t(u32, le32_to_cpu(srbreply->sense_data_size), + SCSI_SENSE_BUFFERSIZE); #ifdef AAC_DETAILED_STATUS_INFO printk(KERN_WARNING "aac_srb_callback: check condition, status = %d len=%d\n", le32_to_cpu(srbreply->status), len); #endif memcpy(scsicmd->sense_buffer, srbreply->sense_data, len); - } /* * OR in the scsi status (already shifted up a bit) @@ -2517,7 +2547,7 @@ static void aac_srb_callback(void *context, struct fib * fibptr) * aac_send_scb_fib * @scsicmd: the scsi command block * - * This routine will form a FIB and fill in the aac_srb from the + * This routine will form a FIB and fill in the aac_srb from the * scsicmd passed in. */ @@ -2731,7 +2761,7 @@ static struct aac_srb_status_info srb_status_info[] = { { SRB_STATUS_ERROR_RECOVERY, "Error Recovery"}, { SRB_STATUS_NOT_STARTED, "Not Started"}, { SRB_STATUS_NOT_IN_USE, "Not In Use"}, - { SRB_STATUS_FORCE_ABORT, "Force Abort"}, + { SRB_STATUS_FORCE_ABORT, "Force Abort"}, { SRB_STATUS_DOMAIN_VALIDATION_FAIL,"Domain Validation Failure"}, { 0xff, "Unknown Error"} }; |