diff options
Diffstat (limited to 'drivers/scsi/aacraid/aachba.c')
-rw-r--r-- | drivers/scsi/aacraid/aachba.c | 72 |
1 files changed, 28 insertions, 44 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index c05092fd3a9..460d4024c46 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -31,7 +31,6 @@ #include <linux/slab.h> #include <linux/completion.h> #include <linux/blkdev.h> -#include <asm/semaphore.h> #include <asm/uaccess.h> #include <linux/highmem.h> /* For flush_kernel_dcache_page */ @@ -205,7 +204,7 @@ MODULE_PARM_DESC(check_interval, "Interval in seconds between adapter health" 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" +MODULE_PARM_DESC(check_reset, "If adapter fails health check, reset the" " adapter. a value of -1 forces the reset to adapters programmed to" " ignore it."); @@ -379,24 +378,6 @@ int aac_get_containers(struct aac_dev *dev) return status; } -static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len) -{ - void *buf; - int transfer_len; - struct scatterlist *sg = scsi_sglist(scsicmd); - - buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; - transfer_len = min(sg->length, len + offset); - - transfer_len -= offset; - 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); - -} - static void get_container_name_callback(void *context, struct fib * fibptr) { struct aac_get_name_resp * get_name_reply; @@ -419,14 +400,17 @@ static void get_container_name_callback(void *context, struct fib * fibptr) while (*sp == ' ') ++sp; if (*sp) { + struct inquiry_data inq; 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)); + + scsi_sg_copy_to_buffer(scsicmd, &inq, sizeof(inq)); + memcpy(inq.inqd_pid, d, sizeof(d)); + scsi_sg_copy_from_buffer(scsicmd, &inq, sizeof(inq)); } } @@ -811,7 +795,7 @@ static void get_container_serial_callback(void *context, struct fib * fibptr) sp[2] = 0; sp[3] = snprintf(sp+4, sizeof(sp)-4, "%08X", le32_to_cpu(get_serial_reply->uid)); - aac_internal_transfer(scsicmd, sp, 0, sizeof(sp)); + scsi_sg_copy_from_buffer(scsicmd, sp, sizeof(sp)); } scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; @@ -1331,7 +1315,7 @@ int aac_get_adapter_info(struct aac_dev* dev) tmp>>24,(tmp>>16)&0xff,tmp&0xff, le32_to_cpu(dev->adapter_info.biosbuild)); buffer[0] = '\0'; - if (aac_show_serial_number( + if (aac_get_serial_number( shost_to_class(dev->scsi_host_ptr), buffer)) printk(KERN_INFO "%s%d: serial %s", dev->name, dev->id, buffer); @@ -1986,8 +1970,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) arr[4] = 0x0; arr[5] = 0x80; arr[1] = scsicmd->cmnd[2]; - aac_internal_transfer(scsicmd, &inq_data, 0, - sizeof(inq_data)); + scsi_sg_copy_from_buffer(scsicmd, &inq_data, + sizeof(inq_data)); scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; } else if (scsicmd->cmnd[2] == 0x80) { @@ -1995,8 +1979,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) arr[3] = setinqserial(dev, &arr[4], scmd_id(scsicmd)); arr[1] = scsicmd->cmnd[2]; - aac_internal_transfer(scsicmd, &inq_data, 0, - sizeof(inq_data)); + scsi_sg_copy_from_buffer(scsicmd, &inq_data, + sizeof(inq_data)); return aac_get_container_serial(scsicmd); } else { /* vpd page not implemented */ @@ -2027,7 +2011,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) if (cid == host->this_id) { setinqstr(dev, (void *) (inq_data.inqd_vid), ARRAY_SIZE(container_types)); inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */ - aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data)); + scsi_sg_copy_from_buffer(scsicmd, &inq_data, + sizeof(inq_data)); scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; scsicmd->scsi_done(scsicmd); return 0; @@ -2036,7 +2021,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) return -1; setinqstr(dev, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type); inq_data.inqd_pdt = INQD_PDT_DA; /* Direct/random access device */ - aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data)); + scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data)); return aac_get_container_name(scsicmd); } case SERVICE_ACTION_IN: @@ -2047,6 +2032,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) { u64 capacity; char cp[13]; + unsigned int alloc_len; dprintk((KERN_DEBUG "READ CAPACITY_16 command.\n")); capacity = fsa_dev_ptr[cid].size - 1; @@ -2063,18 +2049,16 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) cp[10] = 2; cp[11] = 0; cp[12] = 0; - aac_internal_transfer(scsicmd, cp, 0, - min_t(size_t, scsicmd->cmnd[13], sizeof(cp))); - if (sizeof(cp) < scsicmd->cmnd[13]) { - unsigned int len, offset = sizeof(cp); - memset(cp, 0, offset); - do { - len = min_t(size_t, scsicmd->cmnd[13] - offset, - sizeof(cp)); - aac_internal_transfer(scsicmd, cp, offset, len); - } while ((offset += len) < scsicmd->cmnd[13]); - } + alloc_len = ((scsicmd->cmnd[10] << 24) + + (scsicmd->cmnd[11] << 16) + + (scsicmd->cmnd[12] << 8) + scsicmd->cmnd[13]); + + alloc_len = min_t(size_t, alloc_len, sizeof(cp)); + scsi_sg_copy_from_buffer(scsicmd, cp, alloc_len); + if (alloc_len < scsi_bufflen(scsicmd)) + scsi_set_resid(scsicmd, + scsi_bufflen(scsicmd) - alloc_len); /* Do not cache partition table for arrays */ scsicmd->device->removable = 1; @@ -2104,7 +2088,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) cp[5] = 0; cp[6] = 2; cp[7] = 0; - aac_internal_transfer(scsicmd, cp, 0, sizeof(cp)); + scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp)); /* Do not cache partition table for arrays */ scsicmd->device->removable = 1; @@ -2139,7 +2123,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) if (mode_buf_length > scsicmd->cmnd[4]) mode_buf_length = scsicmd->cmnd[4]; } - aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length); + scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length); scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; scsicmd->scsi_done(scsicmd); @@ -2174,7 +2158,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) if (mode_buf_length > scsicmd->cmnd[8]) mode_buf_length = scsicmd->cmnd[8]; } - aac_internal_transfer(scsicmd, mode_buf, 0, mode_buf_length); + scsi_sg_copy_from_buffer(scsicmd, mode_buf, mode_buf_length); scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; scsicmd->scsi_done(scsicmd); |