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author | James Bottomley <JBottomley@Odin.com> | 2015-11-12 07:06:18 -0500 |
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committer | James Bottomley <JBottomley@Odin.com> | 2015-11-12 07:06:18 -0500 |
commit | febdfbd2137a5727f70dfbf920105c07e6c2a21e (patch) | |
tree | 9483a5493ad3e08626e1f53ded594f88a6f4e710 /drivers/scsi/ipr.c | |
parent | 0da39687a15403251bdfd1c6fb18025c0607326b (diff) | |
parent | 2c5d16d6a9e7218e57b716e4fd9d77c776d21471 (diff) | |
download | op-kernel-dev-febdfbd2137a5727f70dfbf920105c07e6c2a21e.zip op-kernel-dev-febdfbd2137a5727f70dfbf920105c07e6c2a21e.tar.gz |
Merge tag '4.4-scsi-mkp' into misc
SCSI queue for 4.4.
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/ipr.c')
-rw-r--r-- | drivers/scsi/ipr.c | 153 |
1 files changed, 137 insertions, 16 deletions
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 4f2c167..536cd5a 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -6363,15 +6363,19 @@ static int ipr_queuecommand(struct Scsi_Host *shost, ipr_cmd->scsi_cmd = scsi_cmd; ipr_cmd->done = ipr_scsi_eh_done; - if (ipr_is_gscsi(res) || ipr_is_vset_device(res)) { + if (ipr_is_gscsi(res)) { if (scsi_cmd->underflow == 0) ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_ULEN_CHK; - ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; - if (ipr_is_gscsi(res) && res->reset_occurred) { + if (res->reset_occurred) { res->reset_occurred = 0; ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_DELAY_AFTER_RST; } + } + + if (ipr_is_gscsi(res) || ipr_is_vset_device(res)) { + ioarcb->cmd_pkt.flags_hi |= IPR_FLAGS_HI_NO_LINK_DESC; + ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_ALIGNED_BFR; if (scsi_cmd->flags & SCMD_TAGGED) ioarcb->cmd_pkt.flags_lo |= IPR_FLAGS_LO_SIMPLE_TASK; @@ -7670,6 +7674,63 @@ static int ipr_ioafp_query_ioa_cfg(struct ipr_cmnd *ipr_cmd) return IPR_RC_JOB_RETURN; } +static int ipr_ioa_service_action_failed(struct ipr_cmnd *ipr_cmd) +{ + u32 ioasc = be32_to_cpu(ipr_cmd->s.ioasa.hdr.ioasc); + + if (ioasc == IPR_IOASC_IR_INVALID_REQ_TYPE_OR_PKT) + return IPR_RC_JOB_CONTINUE; + + return ipr_reset_cmd_failed(ipr_cmd); +} + +static void ipr_build_ioa_service_action(struct ipr_cmnd *ipr_cmd, + __be32 res_handle, u8 sa_code) +{ + struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; + + ioarcb->res_handle = res_handle; + ioarcb->cmd_pkt.cdb[0] = IPR_IOA_SERVICE_ACTION; + ioarcb->cmd_pkt.cdb[1] = sa_code; + ioarcb->cmd_pkt.request_type = IPR_RQTYPE_IOACMD; +} + +/** + * ipr_ioafp_set_caching_parameters - Issue Set Cache parameters service + * action + * + * Return value: + * none + **/ +static int ipr_ioafp_set_caching_parameters(struct ipr_cmnd *ipr_cmd) +{ + struct ipr_ioarcb *ioarcb = &ipr_cmd->ioarcb; + struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + struct ipr_inquiry_pageC4 *pageC4 = &ioa_cfg->vpd_cbs->pageC4_data; + + ENTER; + + ipr_cmd->job_step = ipr_ioafp_query_ioa_cfg; + + if (pageC4->cache_cap[0] & IPR_CAP_SYNC_CACHE) { + ipr_build_ioa_service_action(ipr_cmd, + cpu_to_be32(IPR_IOA_RES_HANDLE), + IPR_IOA_SA_CHANGE_CACHE_PARAMS); + + ioarcb->cmd_pkt.cdb[2] = 0x40; + + ipr_cmd->job_step_failed = ipr_ioa_service_action_failed; + ipr_do_req(ipr_cmd, ipr_reset_ioa_job, ipr_timeout, + IPR_SET_SUP_DEVICE_TIMEOUT); + + LEAVE; + return IPR_RC_JOB_RETURN; + } + + LEAVE; + return IPR_RC_JOB_CONTINUE; +} + /** * ipr_ioafp_inquiry - Send an Inquiry to the adapter. * @ipr_cmd: ipr command struct @@ -7721,6 +7782,39 @@ static int ipr_inquiry_page_supported(struct ipr_inquiry_page0 *page0, u8 page) } /** + * ipr_ioafp_pageC4_inquiry - Send a Page 0xC4 Inquiry to the adapter. + * @ipr_cmd: ipr command struct + * + * This function sends a Page 0xC4 inquiry to the adapter + * to retrieve software VPD information. + * + * Return value: + * IPR_RC_JOB_CONTINUE / IPR_RC_JOB_RETURN + **/ +static int ipr_ioafp_pageC4_inquiry(struct ipr_cmnd *ipr_cmd) +{ + struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + struct ipr_inquiry_page0 *page0 = &ioa_cfg->vpd_cbs->page0_data; + struct ipr_inquiry_pageC4 *pageC4 = &ioa_cfg->vpd_cbs->pageC4_data; + + ENTER; + ipr_cmd->job_step = ipr_ioafp_set_caching_parameters; + memset(pageC4, 0, sizeof(*pageC4)); + + if (ipr_inquiry_page_supported(page0, 0xC4)) { + ipr_ioafp_inquiry(ipr_cmd, 1, 0xC4, + (ioa_cfg->vpd_cbs_dma + + offsetof(struct ipr_misc_cbs, + pageC4_data)), + sizeof(struct ipr_inquiry_pageC4)); + return IPR_RC_JOB_RETURN; + } + + LEAVE; + return IPR_RC_JOB_CONTINUE; +} + +/** * ipr_ioafp_cap_inquiry - Send a Page 0xD0 Inquiry to the adapter. * @ipr_cmd: ipr command struct * @@ -7737,7 +7831,7 @@ static int ipr_ioafp_cap_inquiry(struct ipr_cmnd *ipr_cmd) struct ipr_inquiry_cap *cap = &ioa_cfg->vpd_cbs->cap; ENTER; - ipr_cmd->job_step = ipr_ioafp_query_ioa_cfg; + ipr_cmd->job_step = ipr_ioafp_pageC4_inquiry; memset(cap, 0, sizeof(*cap)); if (ipr_inquiry_page_supported(page0, 0xD0)) { @@ -8276,6 +8370,42 @@ static int ipr_reset_get_unit_check_job(struct ipr_cmnd *ipr_cmd) return IPR_RC_JOB_RETURN; } +static int ipr_dump_mailbox_wait(struct ipr_cmnd *ipr_cmd) +{ + struct ipr_ioa_cfg *ioa_cfg = ipr_cmd->ioa_cfg; + + ENTER; + + if (ioa_cfg->sdt_state != GET_DUMP) + return IPR_RC_JOB_RETURN; + + if (!ioa_cfg->sis64 || !ipr_cmd->u.time_left || + (readl(ioa_cfg->regs.sense_interrupt_reg) & + IPR_PCII_MAILBOX_STABLE)) { + + if (!ipr_cmd->u.time_left) + dev_err(&ioa_cfg->pdev->dev, + "Timed out waiting for Mailbox register.\n"); + + ioa_cfg->sdt_state = READ_DUMP; + ioa_cfg->dump_timeout = 0; + if (ioa_cfg->sis64) + ipr_reset_start_timer(ipr_cmd, IPR_SIS64_DUMP_TIMEOUT); + else + ipr_reset_start_timer(ipr_cmd, IPR_SIS32_DUMP_TIMEOUT); + ipr_cmd->job_step = ipr_reset_wait_for_dump; + schedule_work(&ioa_cfg->work_q); + + } else { + ipr_cmd->u.time_left -= IPR_CHECK_FOR_RESET_TIMEOUT; + ipr_reset_start_timer(ipr_cmd, + IPR_CHECK_FOR_RESET_TIMEOUT); + } + + LEAVE; + return IPR_RC_JOB_RETURN; +} + /** * ipr_reset_restore_cfg_space - Restore PCI config space. * @ipr_cmd: ipr command struct @@ -8325,20 +8455,11 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd) if (ioa_cfg->in_ioa_bringdown) { ipr_cmd->job_step = ipr_ioa_bringdown_done; + } else if (ioa_cfg->sdt_state == GET_DUMP) { + ipr_cmd->job_step = ipr_dump_mailbox_wait; + ipr_cmd->u.time_left = IPR_WAIT_FOR_MAILBOX; } else { ipr_cmd->job_step = ipr_reset_enable_ioa; - - if (GET_DUMP == ioa_cfg->sdt_state) { - ioa_cfg->sdt_state = READ_DUMP; - ioa_cfg->dump_timeout = 0; - if (ioa_cfg->sis64) - ipr_reset_start_timer(ipr_cmd, IPR_SIS64_DUMP_TIMEOUT); - else - ipr_reset_start_timer(ipr_cmd, IPR_SIS32_DUMP_TIMEOUT); - ipr_cmd->job_step = ipr_reset_wait_for_dump; - schedule_work(&ioa_cfg->work_q); - return IPR_RC_JOB_RETURN; - } } LEAVE; |