diff options
author | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-07 17:31:27 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-07 17:31:27 -0700 |
commit | 0481990b758628e12f4b0a9e15094e70cefc7cd1 (patch) | |
tree | 67a4b4b7acc6a688b87ef2a2d3ec0e296e6e480c /drivers/scsi | |
parent | db400b3c4ee89d384d9163836a55577abdae772d (diff) | |
parent | 17fa53da1239b8712c5cebbd72a74c713b6c2db9 (diff) |
Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-for-linus-2.6
Diffstat (limited to 'drivers/scsi')
86 files changed, 5044 insertions, 8118 deletions
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c index 973c51fb0fe2..ae9e0203e9de 100644 --- a/drivers/scsi/3w-xxxx.c +++ b/drivers/scsi/3w-xxxx.c @@ -1499,22 +1499,43 @@ static int tw_scsiop_inquiry(TW_Device_Extension *tw_dev, int request_id) return 0; } /* End tw_scsiop_inquiry() */ +static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id, + void *data, unsigned int len) +{ + struct scsi_cmnd *cmd = tw_dev->srb[request_id]; + void *buf; + unsigned int transfer_len; + + if (cmd->use_sg) { + struct scatterlist *sg = + (struct scatterlist *)cmd->request_buffer; + buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; + transfer_len = min(sg->length, len); + } else { + buf = cmd->request_buffer; + transfer_len = min(cmd->request_bufflen, len); + } + + memcpy(buf, data, transfer_len); + + if (cmd->use_sg) { + struct scatterlist *sg; + + sg = (struct scatterlist *)cmd->request_buffer; + kunmap_atomic(buf - sg->offset, KM_IRQ0); + } +} + /* This function is called by the isr to complete an inquiry command */ static int tw_scsiop_inquiry_complete(TW_Device_Extension *tw_dev, int request_id) { unsigned char *is_unit_present; - unsigned char *request_buffer; + unsigned char request_buffer[36]; TW_Param *param; dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_inquiry_complete()\n"); - /* Fill request buffer */ - if (tw_dev->srb[request_id]->request_buffer == NULL) { - printk(KERN_WARNING "3w-xxxx: tw_scsiop_inquiry_complete(): Request buffer NULL.\n"); - return 1; - } - request_buffer = tw_dev->srb[request_id]->request_buffer; - memset(request_buffer, 0, tw_dev->srb[request_id]->request_bufflen); + memset(request_buffer, 0, sizeof(request_buffer)); request_buffer[0] = TYPE_DISK; /* Peripheral device type */ request_buffer[1] = 0; /* Device type modifier */ request_buffer[2] = 0; /* No ansi/iso compliance */ @@ -1522,6 +1543,8 @@ static int tw_scsiop_inquiry_complete(TW_Device_Extension *tw_dev, int request_i memcpy(&request_buffer[8], "3ware ", 8); /* Vendor ID */ sprintf(&request_buffer[16], "Logical Disk %-2d ", tw_dev->srb[request_id]->device->id); memcpy(&request_buffer[32], TW_DRIVER_VERSION, 3); + tw_transfer_internal(tw_dev, request_id, request_buffer, + sizeof(request_buffer)); param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; if (param == NULL) { @@ -1612,7 +1635,7 @@ static int tw_scsiop_mode_sense_complete(TW_Device_Extension *tw_dev, int reques { TW_Param *param; unsigned char *flags; - unsigned char *request_buffer; + unsigned char request_buffer[8]; dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_mode_sense_complete()\n"); @@ -1622,8 +1645,7 @@ static int tw_scsiop_mode_sense_complete(TW_Device_Extension *tw_dev, int reques return 1; } flags = (char *)&(param->data[0]); - request_buffer = tw_dev->srb[request_id]->buffer; - memset(request_buffer, 0, tw_dev->srb[request_id]->request_bufflen); + memset(request_buffer, 0, sizeof(request_buffer)); request_buffer[0] = 0xf; /* mode data length */ request_buffer[1] = 0; /* default medium type */ @@ -1635,6 +1657,8 @@ static int tw_scsiop_mode_sense_complete(TW_Device_Extension *tw_dev, int reques request_buffer[6] = 0x4; /* WCE on */ else request_buffer[6] = 0x0; /* WCE off */ + tw_transfer_internal(tw_dev, request_id, request_buffer, + sizeof(request_buffer)); return 0; } /* End tw_scsiop_mode_sense_complete() */ @@ -1701,17 +1725,12 @@ static int tw_scsiop_read_capacity_complete(TW_Device_Extension *tw_dev, int req { unsigned char *param_data; u32 capacity; - char *buff; + char buff[8]; TW_Param *param; dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_capacity_complete()\n"); - buff = tw_dev->srb[request_id]->request_buffer; - if (buff == NULL) { - printk(KERN_WARNING "3w-xxxx: tw_scsiop_read_capacity_complete(): Request buffer NULL.\n"); - return 1; - } - memset(buff, 0, tw_dev->srb[request_id]->request_bufflen); + memset(buff, 0, sizeof(buff)); param = (TW_Param *)tw_dev->alignment_virtual_address[request_id]; if (param == NULL) { printk(KERN_WARNING "3w-xxxx: tw_scsiop_read_capacity_complete(): Bad alignment virtual address.\n"); @@ -1739,6 +1758,8 @@ static int tw_scsiop_read_capacity_complete(TW_Device_Extension *tw_dev, int req buff[6] = (TW_BLOCK_SIZE >> 8) & 0xff; buff[7] = TW_BLOCK_SIZE & 0xff; + tw_transfer_internal(tw_dev, request_id, buff, sizeof(buff)); + return 0; } /* End tw_scsiop_read_capacity_complete() */ diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index a261b9eea139..2d21265e650b 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -1,5 +1,11 @@ menu "SCSI device support" +config RAID_ATTRS + tristate "RAID Transport Class" + default n + ---help--- + Provides RAID + config SCSI tristate "SCSI device support" ---help--- diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index c662b8c8cc6d..4b4fd94c2674 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -22,6 +22,8 @@ subdir-$(CONFIG_PCMCIA) += pcmcia obj-$(CONFIG_SCSI) += scsi_mod.o +obj-$(CONFIG_RAID_ATTRS) += raid_class.o + # --- NOTE ORDERING HERE --- # For kernel non-modular link, transport attributes need to # be initialised before drivers diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index ccdf440021fb..a8e3dfcd0dc7 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -133,6 +133,7 @@ struct inquiry_data { 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); static int aac_send_srb_fib(struct scsi_cmnd* scsicmd); #ifdef AAC_DETAILED_STATUS_INFO static char *aac_get_status_string(u32 status); @@ -348,6 +349,27 @@ static void aac_io_done(struct scsi_cmnd * scsicmd) spin_unlock_irqrestore(host->host_lock, cpu_flags); } +static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len) +{ + void *buf; + unsigned int transfer_len; + struct scatterlist *sg = scsicmd->request_buffer; + + if (scsicmd->use_sg) { + buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; + transfer_len = min(sg->length, len + offset); + } else { + buf = scsicmd->request_buffer; + transfer_len = min(scsicmd->request_bufflen, len + offset); + } + + memcpy(buf + offset, data, transfer_len - offset); + + if (scsicmd->use_sg) + kunmap_atomic(buf - sg->offset, KM_IRQ0); + +} + static void get_container_name_callback(void *context, struct fib * fibptr) { struct aac_get_name_resp * get_name_reply; @@ -363,18 +385,22 @@ static void get_container_name_callback(void *context, struct fib * fibptr) /* Failure is irrelevant, using default value instead */ if ((le32_to_cpu(get_name_reply->status) == CT_OK) && (get_name_reply->data[0] != '\0')) { - int count; - char * dp; - char * sp = get_name_reply->data; + char *sp = get_name_reply->data; sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0'; while (*sp == ' ') ++sp; - count = sizeof(((struct inquiry_data *)NULL)->inqd_pid); - dp = ((struct inquiry_data *)scsicmd->request_buffer)->inqd_pid; - if (*sp) do { - *dp++ = (*sp) ? *sp++ : ' '; - } while (--count > 0); + if (*sp) { + char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)]; + int count = sizeof(d); + char *dp = d; + do { + *dp++ = (*sp) ? *sp++ : ' '; + } while (--count > 0); + aac_internal_transfer(scsicmd, d, + offsetof(struct inquiry_data, inqd_pid), sizeof(d)); + } } + scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; fib_complete(fibptr); @@ -777,34 +803,36 @@ int aac_get_adapter_info(struct aac_dev* dev) /* * 57 scatter gather elements */ - dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size - - sizeof(struct aac_fibhdr) - - sizeof(struct aac_write) + sizeof(struct sgmap)) / - sizeof(struct sgmap); - if (dev->dac_support) { - /* - * 38 scatter gather elements - */ - dev->scsi_host_ptr->sg_tablesize = - (dev->max_fib_size - + if (!(dev->raw_io_interface)) { + dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size - sizeof(struct aac_fibhdr) - - sizeof(struct aac_write64) + - sizeof(struct sgmap64)) / - sizeof(struct sgmap64); - } - dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT; - if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) { - /* - * Worst case size that could cause sg overflow when - * we break up SG elements that are larger than 64KB. - * Would be nice if we could tell the SCSI layer what - * the maximum SG element size can be. Worst case is - * (sg_tablesize-1) 4KB elements with one 64KB - * element. - * 32bit -> 468 or 238KB 64bit -> 424 or 212KB - */ - dev->scsi_host_ptr->max_sectors = - (dev->scsi_host_ptr->sg_tablesize * 8) + 112; + sizeof(struct aac_write) + sizeof(struct sgmap)) / + sizeof(struct sgmap); + if (dev->dac_support) { + /* + * 38 scatter gather elements + */ + dev->scsi_host_ptr->sg_tablesize = + (dev->max_fib_size - + sizeof(struct aac_fibhdr) - + sizeof(struct aac_write64) + + sizeof(struct sgmap64)) / + sizeof(struct sgmap64); + } + dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT; + if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) { + /* + * Worst case size that could cause sg overflow when + * we break up SG elements that are larger than 64KB. + * Would be nice if we could tell the SCSI layer what + * the maximum SG element size can be. Worst case is + * (sg_tablesize-1) 4KB elements with one 64KB + * element. + * 32bit -> 468 or 238KB 64bit -> 424 or 212KB + */ + dev->scsi_host_ptr->max_sectors = + (dev->scsi_host_ptr->sg_tablesize * 8) + 112; + } } fib_complete(fibptr); @@ -814,12 +842,11 @@ int aac_get_adapter_info(struct aac_dev* dev) } -static void read_callback(void *context, struct fib * fibptr) +static void io_callback(void *context, struct fib * fibptr) { struct aac_dev *dev; struct aac_read_reply *readreply; struct scsi_cmnd *scsicmd; - u32 lba; u32 cid; scsicmd = (struct scsi_cmnd *) context; @@ -827,8 +854,7 @@ static void read_callback(void *context, struct fib * fibptr) dev = (struct aac_dev *)scsicmd->device->host->hostdata; cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); - lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; - dprintk((KERN_DEBUG "read_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies)); + dprintk((KERN_DEBUG "io_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3], jiffies)); if (fibptr == NULL) BUG(); @@ -847,7 +873,7 @@ static void read_callback(void *context, struct fib * fibptr) scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; else { #ifdef AAC_DETAILED_STATUS_INFO - printk(KERN_WARNING "read_callback: io failed, status = %d\n", + printk(KERN_WARNING "io_callback: io failed, status = %d\n", le32_to_cpu(readreply->status)); #endif scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; @@ -867,53 +893,6 @@ static void read_callback(void *context, struct fib * fibptr) aac_io_done(scsicmd); } -static void write_callback(void *context, struct fib * fibptr) -{ - struct aac_dev *dev; - struct aac_write_reply *writereply; - struct scsi_cmnd *scsicmd; - u32 lba; - u32 cid; - - scsicmd = (struct scsi_cmnd *) context; - dev = (struct aac_dev *)scsicmd->device->host->hostdata; - cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun); - - lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3]; - dprintk((KERN_DEBUG "write_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies)); - if (fibptr == NULL) - BUG(); - - if(scsicmd->use_sg) - pci_unmap_sg(dev->pdev, - (struct scatterlist *)scsicmd->buffer, - scsicmd->use_sg, - scsicmd->sc_data_direction); - else if(scsicmd->request_bufflen) - pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle, - scsicmd->request_bufflen, - scsicmd->sc_data_direction); - - writereply = (struct aac_write_reply *) fib_data(fibptr); - if (le32_to_cpu(writereply->status) == ST_OK) - scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; - else { - printk(KERN_WARNING "write_callback: write failed, status = %d\n", writereply->status); - scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; - set_sense((u8 *) &dev->fsa_dev[cid].sense_data, - HARDWARE_ERROR, - SENCODE_INTERNAL_TARGET_FAILURE, - ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0, - 0, 0); - memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, - sizeof(struct sense_data)); - } - - fib_complete(fibptr); - fib_free(fibptr); - aac_io_done(scsicmd); -} - static int aac_read(struct scsi_cmnd * scsicmd, int cid) { u32 lba; @@ -954,7 +933,32 @@ static int aac_read(struct scsi_cmnd * scsicmd, int cid) fib_init(cmd_fibcontext); - if (dev->dac_support == 1) { + if (dev->raw_io_interface) { + struct aac_raw_io *readcmd; + readcmd = (struct aac_raw_io *) fib_data(cmd_fibcontext); + readcmd->block[0] = cpu_to_le32(lba); + readcmd->block[1] = 0; + readcmd->count = cpu_to_le32(count<<9); + readcmd->cid = cpu_to_le16(cid); + readcmd->flags = cpu_to_le16(1); + readcmd->bpTotal = 0; + readcmd->bpComplete = 0; + + |