[SCSI] qla2xxx: Log link up and link down messages to track link flops.
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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@ -19,7 +19,7 @@
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* | Queue Command and IO tracing | 0x3030 | 0x3006,0x3008 |
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* | | | 0x302d-0x302e |
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* | DPC Thread | 0x401c | 0x4002,0x4013 |
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* | Async Events | 0x505d | 0x502b-0x502f |
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* | Async Events | 0x505f | 0x502b-0x502f |
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* | | | 0x5047,0x5052 |
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* | Timer Routines | 0x6011 | |
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* | User Space Interactions | 0x709f | 0x7018,0x702e, |
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@ -383,6 +383,8 @@ extern int qla2x00_request_irqs(struct qla_hw_data *, struct rsp_que *);
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extern void qla2x00_free_irqs(scsi_qla_host_t *);
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extern int qla2x00_get_data_rate(scsi_qla_host_t *);
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extern char *qla2x00_get_link_speed_str(struct qla_hw_data *);
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/*
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* Global Function Prototypes in qla_sup.c source file.
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*/
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@ -2795,8 +2795,6 @@ cleanup_allocation:
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static void
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qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
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{
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#define LS_UNKNOWN 2
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static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" };
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char *link_speed;
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int rval;
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uint16_t mb[4];
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@ -2824,11 +2822,7 @@ qla2x00_iidma_fcport(scsi_qla_host_t *vha, fc_port_t *fcport)
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fcport->port_name[6], fcport->port_name[7], rval,
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fcport->fp_speed, mb[0], mb[1]);
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} else {
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link_speed = link_speeds[LS_UNKNOWN];
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if (fcport->fp_speed < 5)
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link_speed = link_speeds[fcport->fp_speed];
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else if (fcport->fp_speed == 0x13)
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link_speed = link_speeds[5];
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link_speed = qla2x00_get_link_speed_str(ha);
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ql_dbg(ql_dbg_disc, vha, 0x2005,
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"iIDMA adjusted to %s GB/s "
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"on %02x%02x%02x%02x%02x%02x%02x%02x.\n", link_speed,
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@ -309,6 +309,28 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
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"IDC failed to post ACK.\n");
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}
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#define LS_UNKNOWN 2
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char *
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qla2x00_get_link_speed_str(struct qla_hw_data *ha)
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{
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static char *link_speeds[] = {"1", "2", "?", "4", "8", "16", "10"};
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char *link_speed;
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int fw_speed = ha->link_data_rate;
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if (IS_QLA2100(ha) || IS_QLA2200(ha))
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link_speed = link_speeds[0];
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else if (fw_speed == 0x13)
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link_speed = link_speeds[6];
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else {
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link_speed = link_speeds[LS_UNKNOWN];
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if (fw_speed < 6)
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link_speed =
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link_speeds[fw_speed];
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}
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return link_speed;
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}
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/**
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* qla2x00_async_event() - Process aynchronous events.
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* @ha: SCSI driver HA context
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@ -317,9 +339,6 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr)
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void
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qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb)
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{
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#define LS_UNKNOWN 2
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static char *link_speeds[] = { "1", "2", "?", "4", "8", "16", "10" };
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char *link_speed;
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uint16_t handle_cnt;
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uint16_t cnt, mbx;
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uint32_t handles[5];
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@ -479,20 +498,14 @@ skip_rio:
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break;
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case MBA_LOOP_UP: /* Loop Up Event */
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if (IS_QLA2100(ha) || IS_QLA2200(ha)) {
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link_speed = link_speeds[0];
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if (IS_QLA2100(ha) || IS_QLA2200(ha))
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ha->link_data_rate = PORT_SPEED_1GB;
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} else {
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link_speed = link_speeds[LS_UNKNOWN];
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if (mb[1] < 6)
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link_speed = link_speeds[mb[1]];
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else if (mb[1] == 0x13)
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link_speed = link_speeds[6];
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else
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ha->link_data_rate = mb[1];
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}
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ql_dbg(ql_dbg_async, vha, 0x500a,
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"LOOP UP detected (%s Gbps).\n", link_speed);
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"LOOP UP detected (%s Gbps).\n",
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qla2x00_get_link_speed_str(ha));
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vha->flags.management_server_logged_in = 0;
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qla2x00_post_aen_work(vha, FCH_EVT_LINKUP, ha->link_data_rate);
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@ -638,6 +651,8 @@ skip_rio:
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ql_dbg(ql_dbg_async, vha, 0x5010,
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"Port unavailable %04x %04x %04x.\n",
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mb[1], mb[2], mb[3]);
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ql_log(ql_log_warn, vha, 0x505e,
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"Link is offline.\n");
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if (atomic_read(&vha->loop_state) != LOOP_DOWN) {
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atomic_set(&vha->loop_state, LOOP_DOWN);
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@ -676,6 +691,9 @@ skip_rio:
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ql_dbg(ql_dbg_async, vha, 0x5012,
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"Port database changed %04x %04x %04x.\n",
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mb[1], mb[2], mb[3]);
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ql_log(ql_log_warn, vha, 0x505f,
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"Link is operational (%s Gbps).\n",
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qla2x00_get_link_speed_str(ha));
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/*
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* Mark all devices as missing so we will login again.
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