diff options
| author | Himanshu Madhani <himanshu.madhani@cavium.com> | 2017-10-13 09:34:04 -0700 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-10-16 22:55:30 -0400 |
| commit | c955886962a280eb90b6bde87448ee99c467c0b3 (patch) | |
| tree | 9f4eba7e715d8fd62f03b171a48a84339c3d8a0d /drivers/scsi | |
| parent | e7240af5108fc8b068b1b21988e48f0c5005cae6 (diff) | |
| download | linux-next-c955886962a280eb90b6bde87448ee99c467c0b3.tar.gz | |
scsi: qla2xxx: Add ATIO-Q processing for INTx mode
Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_def.h | 1 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_isr.c | 8 | ||||
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_target.c | 12 |
3 files changed, 16 insertions, 5 deletions
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index 486c075998f6..66d239cbbd66 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -922,6 +922,7 @@ struct mbx_cmd_32 { #define INTR_RSP_QUE_UPDATE_83XX 0x14 #define INTR_ATIO_QUE_UPDATE 0x1C #define INTR_ATIO_RSP_QUE_UPDATE 0x1D +#define INTR_ATIO_QUE_UPDATE_27XX 0x1E /* ISP mailbox loopback echo diagnostic error code */ #define MBS_LB_RESET 0x17 diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index ef7afd5eefe3..ab97fb06c239 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -3129,6 +3129,7 @@ qla24xx_intr_handler(int irq, void *dev_id) case INTR_RSP_QUE_UPDATE_83XX: qla24xx_process_response_queue(vha, rsp); break; + case INTR_ATIO_QUE_UPDATE_27XX: case INTR_ATIO_QUE_UPDATE:{ unsigned long flags2; spin_lock_irqsave(&ha->tgt.atio_lock, flags2); @@ -3259,6 +3260,7 @@ qla24xx_msix_default(int irq, void *dev_id) case INTR_RSP_QUE_UPDATE_83XX: qla24xx_process_response_queue(vha, rsp); break; + case INTR_ATIO_QUE_UPDATE_27XX: case INTR_ATIO_QUE_UPDATE:{ unsigned long flags2; spin_lock_irqsave(&ha->tgt.atio_lock, flags2); @@ -3347,7 +3349,8 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) .pre_vectors = QLA_BASE_VECTORS, }; - if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) { + if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && + IS_ATIO_MSIX_CAPABLE(ha)) { desc.pre_vectors++; min_vecs++; } @@ -3432,7 +3435,8 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) * If target mode is enable, also request the vector for the ATIO * queue. */ - if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) { + if (QLA_TGT_MODE_ENABLED() && (ql2xenablemsix != 0) && + IS_ATIO_MSIX_CAPABLE(ha)) { qentry = &ha->msix_entries[QLA_ATIO_VECTOR]; rsp->msix = qentry; qentry->handle = rsp; diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index f05cfc83c9c8..12976a25f082 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -6546,6 +6546,7 @@ void qlt_24xx_config_rings(struct scsi_qla_host *vha) { struct qla_hw_data *ha = vha->hw; + struct init_cb_24xx *icb; if (!QLA_TGT_MODE_ENABLED()) return; @@ -6553,14 +6554,19 @@ qlt_24xx_config_rings(struct scsi_qla_host *vha) WRT_REG_DWORD(ISP_ATIO_Q_OUT(vha), 0); RD_REG_DWORD(ISP_ATIO_Q_OUT(vha)); - if (IS_ATIO_MSIX_CAPABLE(ha)) { + icb = (struct init_cb_24xx *)ha->init_cb; + + if ((ql2xenablemsix != 0) && IS_ATIO_MSIX_CAPABLE(ha)) { struct qla_msix_entry *msix = &ha->msix_entries[2]; - struct init_cb_24xx *icb = (struct init_cb_24xx *)ha->init_cb; icb->msix_atio = cpu_to_le16(msix->entry); ql_dbg(ql_dbg_init, vha, 0xf072, "Registering ICB vector 0x%x for atio que.\n", msix->entry); + } else if (ql2xenablemsix == 0) { + icb->firmware_options_2 |= cpu_to_le32(BIT_26); + ql_dbg(ql_dbg_init, vha, 0xf07f, + "Registering INTx vector for ATIO.\n"); } } @@ -6805,7 +6811,7 @@ qlt_probe_one_stage1(struct scsi_qla_host *base_vha, struct qla_hw_data *ha) if (!QLA_TGT_MODE_ENABLED()) return; - if (IS_QLA83XX(ha) || IS_QLA27XX(ha)) { + if ((ql2xenablemsix == 0) || IS_QLA83XX(ha) || IS_QLA27XX(ha)) { ISP_ATIO_Q_IN(base_vha) = &ha->mqiobase->isp25mq.atio_q_in; ISP_ATIO_Q_OUT(base_vha) = &ha->mqiobase->isp25mq.atio_q_out; } else { |