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author | Krishna Gudipati <kgudipat@brocade.com> | 2011-06-24 20:28:37 -0700 |
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committer | James Bottomley <JBottomley@Parallels.com> | 2011-06-29 17:27:20 -0500 |
commit | 3350d98d6d072fc4ac3622e61dc3dc351ef01dc5 (patch) | |
tree | 44aa4df294c2bea6ff7cf84b6bbe340737fe4331 /drivers/scsi/bfa/bfad_bsg.c | |
parent | 3d7fc66dcd8d510aaa46ab9b914b632bc149b05c (diff) | |
download | op-kernel-dev-3350d98d6d072fc4ac3622e61dc3dc351ef01dc5.zip op-kernel-dev-3350d98d6d072fc4ac3622e61dc3dc351ef01dc5.tar.gz |
[SCSI] bfa: Added support to query PHY.
- Added PHY sub-module.
- Implemented interface to obtain stats and to
read/update the fw from the PHY module.
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 | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c index a602702..552bb25 100644 --- a/drivers/scsi/bfa/bfad_bsg.c +++ b/drivers/scsi/bfa/bfad_bsg.c @@ -1393,6 +1393,110 @@ bfad_iocmd_diag_lb_stat(struct bfad_s *bfad, void *cmd) return 0; } +int +bfad_iocmd_phy_get_attr(struct bfad_s *bfad, void *cmd) +{ + struct bfa_bsg_phy_attr_s *iocmd = + (struct bfa_bsg_phy_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_phy_get_attr(BFA_PHY(&bfad->bfa), iocmd->instance, + &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_phy_get_stats(struct bfad_s *bfad, void *cmd) +{ + struct bfa_bsg_phy_stats_s *iocmd = + (struct bfa_bsg_phy_stats_s *)cmd; + struct bfad_hal_comp fcomp; + unsigned long flags; + + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + iocmd->status = bfa_phy_get_stats(BFA_PHY(&bfad->bfa), iocmd->instance, + &iocmd->stats, 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_phy_read(struct bfad_s *bfad, void *cmd, unsigned int payload_len) +{ + struct bfa_bsg_phy_s *iocmd = (struct bfa_bsg_phy_s *)cmd; + struct bfad_hal_comp fcomp; + void *iocmd_bufptr; + unsigned long flags; + + if (bfad_chk_iocmd_sz(payload_len, + sizeof(struct bfa_bsg_phy_s), + iocmd->bufsz) != BFA_STATUS_OK) { + iocmd->status = BFA_STATUS_VERSION_FAIL; + return 0; + } + + iocmd_bufptr = (char *)iocmd + sizeof(struct bfa_bsg_phy_s); + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + iocmd->status = bfa_phy_read(BFA_PHY(&bfad->bfa), + 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; + if (iocmd->status != BFA_STATUS_OK) + goto out; +out: + return 0; +} + +int +bfad_iocmd_phy_update(struct bfad_s *bfad, void *cmd, unsigned int payload_len) +{ + struct bfa_bsg_phy_s *iocmd = (struct bfa_bsg_phy_s *)cmd; + void *iocmd_bufptr; + struct bfad_hal_comp fcomp; + unsigned long flags; + + if (bfad_chk_iocmd_sz(payload_len, + sizeof(struct bfa_bsg_phy_s), + iocmd->bufsz) != BFA_STATUS_OK) { + iocmd->status = BFA_STATUS_VERSION_FAIL; + return 0; + } + + iocmd_bufptr = (char *)iocmd + sizeof(struct bfa_bsg_phy_s); + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + iocmd->status = bfa_phy_update(BFA_PHY(&bfad->bfa), + 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) @@ -1566,6 +1670,18 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd, case IOCMD_DIAG_LB_STAT: rc = bfad_iocmd_diag_lb_stat(bfad, iocmd); break; + case IOCMD_PHY_GET_ATTR: + rc = bfad_iocmd_phy_get_attr(bfad, iocmd); + break; + case IOCMD_PHY_GET_STATS: + rc = bfad_iocmd_phy_get_stats(bfad, iocmd); + break; + case IOCMD_PHY_UPDATE_FW: + rc = bfad_iocmd_phy_update(bfad, iocmd, payload_len); + break; + case IOCMD_PHY_READ_FW: + rc = bfad_iocmd_phy_read(bfad, iocmd, payload_len); + break; default: rc = EINVAL; break; |