diff options
| -rw-r--r-- | drivers/scsi/aacraid/aachba.c | 172 |
1 files changed, 70 insertions, 102 deletions
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index bd5c80f1b76d..8d8e6c2f9691 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -106,6 +106,8 @@ #define ASENCODE_LUN_FAILED_SELF_CONFIG 0x00 #define ASENCODE_OVERLAPPED_COMMAND 0x00 +#define AAC_STAT_GOOD (DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD) + #define BYTE0(x) (unsigned char)(x) #define BYTE1(x) (unsigned char)((x) >> 8) #define BYTE2(x) (unsigned char)((x) >> 16) @@ -2476,8 +2478,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) if((cid >= dev->maximum_num_containers) || (scsicmd->device->lun != 0)) { scsicmd->result = DID_NO_CONNECT << 16; - scsicmd->scsi_done(scsicmd); - return 0; + goto scsi_done_ret; } /* @@ -2512,8 +2513,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) return aac_send_srb_fib(scsicmd); } else { scsicmd->result = DID_NO_CONNECT << 16; - scsicmd->scsi_done(scsicmd); - return 0; + goto scsi_done_ret; } } } @@ -2531,13 +2531,34 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) memcpy(scsicmd->sense_buffer, &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; + goto scsi_done_ret; } - - /* Handle commands here that don't really require going out to the adapter */ switch (scsicmd->cmnd[0]) { + case READ_6: + case READ_10: + case READ_12: + case READ_16: + if (dev->in_reset) + return -1; + return aac_read(scsicmd); + + case WRITE_6: + case WRITE_10: + case WRITE_12: + case WRITE_16: + if (dev->in_reset) + return -1; + return aac_write(scsicmd); + + case SYNCHRONIZE_CACHE: + if (((aac_cache & 6) == 6) && dev->cache_protected) { + scsicmd->result = AAC_STAT_GOOD; + break; + } + /* Issue FIB to tell Firmware to flush it's cache */ + if ((aac_cache & 6) != 2) + return aac_synchronize(scsicmd); case INQUIRY: { struct inquiry_data inq_data; @@ -2560,8 +2581,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) arr[1] = scsicmd->cmnd[2]; scsi_sg_copy_from_buffer(scsicmd, &inq_data, sizeof(inq_data)); - scsicmd->result = DID_OK << 16 | - COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; + scsicmd->result = AAC_STAT_GOOD; } else if (scsicmd->cmnd[2] == 0x80) { /* unit serial number page */ arr[3] = setinqserial(dev, &arr[4], @@ -2572,8 +2592,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) if (aac_wwn != 2) return aac_get_container_serial( scsicmd); - scsicmd->result = DID_OK << 16 | - COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; + scsicmd->result = AAC_STAT_GOOD; } else if (scsicmd->cmnd[2] == 0x83) { /* vpd page 0x83 - Device Identification Page */ char *sno = (char *)&inq_data; @@ -2582,8 +2601,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) if (aac_wwn != 2) return aac_get_container_serial( scsicmd); - scsicmd->result = DID_OK << 16 | - COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; + scsicmd->result = AAC_STAT_GOOD; } else { /* vpd page not implemented */ scsicmd->result = DID_OK << 16 | @@ -2598,8 +2616,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) sizeof(dev->fsa_dev[cid].sense_data), SCSI_SENSE_BUFFERSIZE)); } - scsicmd->scsi_done(scsicmd); - return 0; + break; } inq_data.inqd_ver = 2; /* claim compliance to SCSI-2 */ inq_data.inqd_rdf = 2; /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */ @@ -2615,9 +2632,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) inq_data.inqd_pdt = INQD_PDT_PROC; /* Processor device */ 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; + scsicmd->result = AAC_STAT_GOOD; + break; } if (dev->in_reset) return -1; @@ -2665,10 +2681,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) /* Do not cache partition table for arrays */ scsicmd->device->removable = 1; - scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; - scsicmd->scsi_done(scsicmd); - - return 0; + scsicmd->result = AAC_STAT_GOOD; + break; } case READ_CAPACITY: @@ -2693,11 +2707,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) scsi_sg_copy_from_buffer(scsicmd, cp, sizeof(cp)); /* Do not cache partition table for arrays */ scsicmd->device->removable = 1; - scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | - SAM_STAT_GOOD; - scsicmd->scsi_done(scsicmd); - - return 0; + scsicmd->result = AAC_STAT_GOOD; + break; } case MODE_SENSE: @@ -2775,10 +2786,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) scsi_sg_copy_from_buffer(scsicmd, (char *)&mpd, mode_buf_length); - scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; - scsicmd->scsi_done(scsicmd); - - return 0; + scsicmd->result = AAC_STAT_GOOD; + break; } case MODE_SENSE_10: { @@ -2854,18 +2863,17 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) (char *)&mpd10, mode_buf_length); - scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; - scsicmd->scsi_done(scsicmd); - - return 0; + scsicmd->result = AAC_STAT_GOOD; + break; } case REQUEST_SENSE: dprintk((KERN_DEBUG "REQUEST SENSE command.\n")); - memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, sizeof (struct sense_data)); - memset(&dev->fsa_dev[cid].sense_data, 0, sizeof (struct sense_data)); - scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; - scsicmd->scsi_done(scsicmd); - return 0; + memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, + sizeof(struct sense_data)); + memset(&dev->fsa_dev[cid].sense_data, 0, + sizeof(struct sense_data)); + scsicmd->result = AAC_STAT_GOOD; + break; case ALLOW_MEDIUM_REMOVAL: dprintk((KERN_DEBUG "LOCK command.\n")); @@ -2874,9 +2882,8 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) else fsa_dev_ptr[cid].locked = 0; - scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; - scsicmd->scsi_done(scsicmd); - return 0; + scsicmd->result = AAC_STAT_GOOD; + break; /* * These commands are all No-Ops */ @@ -2892,80 +2899,41 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd) min_t(size_t, sizeof(dev->fsa_dev[cid].sense_data), SCSI_SENSE_BUFFERSIZE)); - scsicmd->scsi_done(scsicmd); - return 0; + break; } - /* FALLTHRU */ case RESERVE: case RELEASE: case REZERO_UNIT: case REASSIGN_BLOCKS: case SEEK_10: - scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD; - scsicmd->scsi_done(scsicmd); - return 0; + scsicmd->result = AAC_STAT_GOOD; + break; case START_STOP: return aac_start_stop(scsicmd); - } - switch (scsicmd->cmnd[0]) - { - case READ_6: - case READ_10: - case READ_12: - case READ_16: - if (dev->in_reset) - return -1; - /* - * Hack to keep track of ordinal number of the device that - * 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), - sizeof(scsicmd->request->rq_disk->disk_name) + 1)); - - return aac_read(scsicmd); - - case WRITE_6: - case WRITE_10: - case WRITE_12: - case WRITE_16: - if (dev->in_reset) - return -1; - 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 */ - if ((aac_cache & 6) != 2) - return aac_synchronize(scsicmd); - /* FALLTHRU */ - default: - /* - * Unhandled commands - */ - dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", scsicmd->cmnd[0])); - scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION; - set_sense(&dev->fsa_dev[cid].sense_data, + /* FALLTHRU */ + default: + /* + * Unhandled commands + */ + dprintk((KERN_WARNING "Unhandled SCSI Command: 0x%x.\n", + scsicmd->cmnd[0])); + scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | + SAM_STAT_CHECK_CONDITION; + set_sense(&dev->fsa_dev[cid].sense_data, ILLEGAL_REQUEST, SENCODE_INVALID_COMMAND, ASENCODE_INVALID_COMMAND, 0, 0); - memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data, + memcpy(scsicmd->sense_buffer, &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; } + +scsi_done_ret: + + scsicmd->scsi_done(scsicmd); + return 0; } static int query_disk(struct aac_dev *dev, void __user *arg) |