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path: root/drivers/scsi/qla2xxx/qla_isr.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_isr.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_isr.c46
1 files changed, 30 insertions, 16 deletions
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 9bc86b9e86b1..0a1dcb43d18b 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -2880,6 +2880,7 @@ static int
2880qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) 2880qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp)
2881{ 2881{
2882#define MIN_MSIX_COUNT 2 2882#define MIN_MSIX_COUNT 2
2883#define ATIO_VECTOR 2
2883 int i, ret; 2884 int i, ret;
2884 struct msix_entry *entries; 2885 struct msix_entry *entries;
2885 struct qla_msix_entry *qentry; 2886 struct qla_msix_entry *qentry;
@@ -2936,34 +2937,47 @@ msix_failed:
2936 } 2937 }
2937 2938
2938 /* Enable MSI-X vectors for the base queue */ 2939 /* Enable MSI-X vectors for the base queue */
2939 for (i = 0; i < ha->msix_count; i++) { 2940 for (i = 0; i < 2; i++) {
2940 qentry = &ha->msix_entries[i]; 2941 qentry = &ha->msix_entries[i];
2941 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) { 2942 if (IS_P3P_TYPE(ha))
2942 ret = request_irq(qentry->vector,
2943 qla83xx_msix_entries[i].handler,
2944 0, qla83xx_msix_entries[i].name, rsp);
2945 } else if (IS_P3P_TYPE(ha)) {
2946 ret = request_irq(qentry->vector, 2943 ret = request_irq(qentry->vector,
2947 qla82xx_msix_entries[i].handler, 2944 qla82xx_msix_entries[i].handler,
2948 0, qla82xx_msix_entries[i].name, rsp); 2945 0, qla82xx_msix_entries[i].name, rsp);
2949 } else { 2946 else
2950 ret = request_irq(qentry->vector, 2947 ret = request_irq(qentry->vector,
2951 msix_entries[i].handler, 2948 msix_entries[i].handler,
2952 0, msix_entries[i].name, rsp); 2949 0, msix_entries[i].name, rsp);
2953 } 2950 if (ret)
2954 if (ret) { 2951 goto msix_register_fail;
2955 ql_log(ql_log_fatal, vha, 0x00cb,
2956 "MSI-X: unable to register handler -- %x/%d.\n",
2957 qentry->vector, ret);
2958 qla24xx_disable_msix(ha);
2959 ha->mqenable = 0;
2960 goto msix_out;
2961 }
2962 qentry->have_irq = 1; 2952 qentry->have_irq = 1;
2963 qentry->rsp = rsp; 2953 qentry->rsp = rsp;
2964 rsp->msix = qentry; 2954 rsp->msix = qentry;
2965 } 2955 }
2966 2956
2957 /*
2958 * If target mode is enable, also request the vector for the ATIO
2959 * queue.
2960 */
2961 if (QLA_TGT_MODE_ENABLED() && IS_ATIO_MSIX_CAPABLE(ha)) {
2962 qentry = &ha->msix_entries[ATIO_VECTOR];
2963 ret = request_irq(qentry->vector,
2964 qla83xx_msix_entries[ATIO_VECTOR].handler,
2965 0, qla83xx_msix_entries[ATIO_VECTOR].name, rsp);
2966 qentry->have_irq = 1;
2967 qentry->rsp = rsp;
2968 rsp->msix = qentry;
2969 }
2970
2971msix_register_fail:
2972 if (ret) {
2973 ql_log(ql_log_fatal, vha, 0x00cb,
2974 "MSI-X: unable to register handler -- %x/%d.\n",
2975 qentry->vector, ret);
2976 qla24xx_disable_msix(ha);
2977 ha->mqenable = 0;
2978 goto msix_out;
2979 }
2980
2967 /* Enable MSI-X vector for response queue update for queue 0 */ 2981 /* Enable MSI-X vector for response queue update for queue 0 */
2968 if (IS_QLA83XX(ha)) { 2982 if (IS_QLA83XX(ha)) {
2969 if (ha->msixbase && ha->mqiobase && 2983 if (ha->msixbase && ha->mqiobase &&