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author | Krishna Gudipati <kgudipat@brocade.com> | 2011-06-25 03:27:13 (GMT) |
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committer | James Bottomley <JBottomley@Parallels.com> | 2011-06-29 22:23:29 (GMT) |
commit | 5a54b1d576d1880eb249e906e0c8e2ffe64506d3 (patch) | |
tree | 642890240be4d1fed626ff591296f7cb59338132 /drivers/scsi/bfa/bfad_bsg.c | |
parent | 51e569aa1f0c10bd71af05e76e4ba0e42c51e4ab (diff) | |
download | linux-fsl-qoriq-5a54b1d576d1880eb249e906e0c8e2ffe64506d3.tar.xz |
[SCSI] bfa: Added support for flash configuration
- Added flash sub-module.
- Implemented the interface to read/erase/update flash partition.
Signed-off-by: Krishna Gudipati <kgudipat@brocade.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bfa/bfad_bsg.c')
-rw-r--r-- | drivers/scsi/bfa/bfad_bsg.c | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c index e4409e5..5444661 100644 --- a/drivers/scsi/bfa/bfad_bsg.c +++ b/drivers/scsi/bfa/bfad_bsg.c @@ -1109,6 +1109,111 @@ out: return 0; } +int +bfad_iocmd_flash_get_attr(struct bfad_s *bfad, void *cmd) +{ + struct bfa_bsg_flash_attr_s *iocmd = + (struct bfa_bsg_flash_attr_s *)cmd; + struct bfad_hal_comp fcomp; + unsigned long flags; + + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + iocmd->status = bfa_flash_get_attr(BFA_FLASH(&bfad->bfa), &iocmd->attr, + bfad_hcb_comp, &fcomp); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + if (iocmd->status != BFA_STATUS_OK) + goto out; + wait_for_completion(&fcomp.comp); + iocmd->status = fcomp.status; +out: + return 0; +} + +int +bfad_iocmd_flash_erase_part(struct bfad_s *bfad, void *cmd) +{ + struct bfa_bsg_flash_s *iocmd = (struct bfa_bsg_flash_s *)cmd; + struct bfad_hal_comp fcomp; + unsigned long flags; + + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + iocmd->status = bfa_flash_erase_part(BFA_FLASH(&bfad->bfa), iocmd->type, + iocmd->instance, bfad_hcb_comp, &fcomp); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + if (iocmd->status != BFA_STATUS_OK) + goto out; + wait_for_completion(&fcomp.comp); + iocmd->status = fcomp.status; +out: + return 0; +} + +int +bfad_iocmd_flash_update_part(struct bfad_s *bfad, void *cmd, + unsigned int payload_len) +{ + struct bfa_bsg_flash_s *iocmd = (struct bfa_bsg_flash_s *)cmd; + void *iocmd_bufptr; + struct bfad_hal_comp fcomp; + unsigned long flags; + + if (bfad_chk_iocmd_sz(payload_len, + sizeof(struct bfa_bsg_flash_s), + iocmd->bufsz) != BFA_STATUS_OK) { + iocmd->status = BFA_STATUS_VERSION_FAIL; + return 0; + } + + iocmd_bufptr = (char *)iocmd + sizeof(struct bfa_bsg_flash_s); + + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + iocmd->status = bfa_flash_update_part(BFA_FLASH(&bfad->bfa), + iocmd->type, iocmd->instance, iocmd_bufptr, + iocmd->bufsz, 0, bfad_hcb_comp, &fcomp); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + if (iocmd->status != BFA_STATUS_OK) + goto out; + wait_for_completion(&fcomp.comp); + iocmd->status = fcomp.status; +out: + return 0; +} + +int +bfad_iocmd_flash_read_part(struct bfad_s *bfad, void *cmd, + unsigned int payload_len) +{ + struct bfa_bsg_flash_s *iocmd = (struct bfa_bsg_flash_s *)cmd; + struct bfad_hal_comp fcomp; + void *iocmd_bufptr; + unsigned long flags; + + if (bfad_chk_iocmd_sz(payload_len, + sizeof(struct bfa_bsg_flash_s), + iocmd->bufsz) != BFA_STATUS_OK) { + iocmd->status = BFA_STATUS_VERSION_FAIL; + return 0; + } + + iocmd_bufptr = (char *)iocmd + sizeof(struct bfa_bsg_flash_s); + + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + iocmd->status = bfa_flash_read_part(BFA_FLASH(&bfad->bfa), iocmd->type, + iocmd->instance, iocmd_bufptr, iocmd->bufsz, 0, + bfad_hcb_comp, &fcomp); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + if (iocmd->status != BFA_STATUS_OK) + goto out; + wait_for_completion(&fcomp.comp); + iocmd->status = fcomp.status; +out: + return 0; +} + static int bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd, unsigned int payload_len) @@ -1243,6 +1348,18 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd, case IOCMD_SFP_SPEED: rc = bfad_iocmd_sfp_speed(bfad, iocmd); break; + case IOCMD_FLASH_GET_ATTR: + rc = bfad_iocmd_flash_get_attr(bfad, iocmd); + break; + case IOCMD_FLASH_ERASE_PART: + rc = bfad_iocmd_flash_erase_part(bfad, iocmd); + break; + case IOCMD_FLASH_UPDATE_PART: + rc = bfad_iocmd_flash_update_part(bfad, iocmd, payload_len); + break; + case IOCMD_FLASH_READ_PART: + rc = bfad_iocmd_flash_read_part(bfad, iocmd, payload_len); + break; default: rc = EINVAL; break; |