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[SCSI] lpfc 8.3.35: Fixed not reporting logical link speed to SCSI midlayer when QoS not on

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Signed-off-by: James Smart <james.smart@emulex.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart
2012-09-29 11:32:37 -04:00
committed by James Bottomley
parent 2eb6862aaf
commit 8b68cd5258
5 changed files with 151 additions and 16 deletions
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134
drivers/scsi/lpfc/lpfc_init.c
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@@ -3507,6 +3507,119 @@ lpfc_sli4_parse_latt_link_speed(struct lpfc_hba *phba,
return link_speed;
}
/**
* lpfc_sli_port_speed_get - Get sli3 link speed code to link speed
* @phba: pointer to lpfc hba data structure.
*
* This routine is to get an SLI3 FC port's link speed in Mbps.
*
* Return: link speed in terms of Mbps.
**/
uint32_t
lpfc_sli_port_speed_get(struct lpfc_hba *phba)
{
uint32_t link_speed;
if (!lpfc_is_link_up(phba))
return 0;
switch (phba->fc_linkspeed) {
case LPFC_LINK_SPEED_1GHZ:
link_speed = 1000;
break;
case LPFC_LINK_SPEED_2GHZ:
link_speed = 2000;
break;
case LPFC_LINK_SPEED_4GHZ:
link_speed = 4000;
break;
case LPFC_LINK_SPEED_8GHZ:
link_speed = 8000;
break;
case LPFC_LINK_SPEED_10GHZ:
link_speed = 10000;
break;
case LPFC_LINK_SPEED_16GHZ:
link_speed = 16000;
break;
default:
link_speed = 0;
}
return link_speed;
}
/**
* lpfc_sli4_port_speed_parse - Parse async evt link speed code to link speed
* @phba: pointer to lpfc hba data structure.
* @evt_code: asynchronous event code.
* @speed_code: asynchronous event link speed code.
*
* This routine is to parse the giving SLI4 async event link speed code into
* value of Mbps for the link speed.
*
* Return: link speed in terms of Mbps.
**/
static uint32_t
lpfc_sli4_port_speed_parse(struct lpfc_hba *phba, uint32_t evt_code,
uint8_t speed_code)
{
uint32_t port_speed;
switch (evt_code) {
case LPFC_TRAILER_CODE_LINK:
switch (speed_code) {
case LPFC_EVT_CODE_LINK_NO_LINK:
port_speed = 0;
break;
case LPFC_EVT_CODE_LINK_10_MBIT:
port_speed = 10;
break;
case LPFC_EVT_CODE_LINK_100_MBIT:
port_speed = 100;
break;
case LPFC_EVT_CODE_LINK_1_GBIT:
port_speed = 1000;
break;
case LPFC_EVT_CODE_LINK_10_GBIT:
port_speed = 10000;
break;
default:
port_speed = 0;
}
break;
case LPFC_TRAILER_CODE_FC:
switch (speed_code) {
case LPFC_EVT_CODE_FC_NO_LINK:
port_speed = 0;
break;
case LPFC_EVT_CODE_FC_1_GBAUD:
port_speed = 1000;
break;
case LPFC_EVT_CODE_FC_2_GBAUD:
port_speed = 2000;
break;
case LPFC_EVT_CODE_FC_4_GBAUD:
port_speed = 4000;
break;
case LPFC_EVT_CODE_FC_8_GBAUD:
port_speed = 8000;
break;
case LPFC_EVT_CODE_FC_10_GBAUD:
port_speed = 10000;
break;
case LPFC_EVT_CODE_FC_16_GBAUD:
port_speed = 16000;
break;
default:
port_speed = 0;
}
break;
default:
port_speed = 0;
}
return port_speed;
}
/**
* lpfc_sli4_async_link_evt - Process the asynchronous FCoE link event
* @phba: pointer to lpfc hba data structure.
@@ -3564,7 +3677,8 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
/* Keep the link status for extra SLI4 state machine reference */
phba->sli4_hba.link_state.speed =
bf_get(lpfc_acqe_link_speed, acqe_link);
lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_LINK,
bf_get(lpfc_acqe_link_speed, acqe_link));
phba->sli4_hba.link_state.duplex =
bf_get(lpfc_acqe_link_duplex, acqe_link);
phba->sli4_hba.link_state.status =
@@ -3576,7 +3690,8 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
phba->sli4_hba.link_state.fault =
bf_get(lpfc_acqe_link_fault, acqe_link);
phba->sli4_hba.link_state.logical_speed =
bf_get(lpfc_acqe_logical_link_speed, acqe_link);
bf_get(lpfc_acqe_logical_link_speed, acqe_link) * 10;
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
"2900 Async FC/FCoE Link event - Speed:%dGBit "
"duplex:x%x LA Type:x%x Port Type:%d Port Number:%d "
@@ -3586,7 +3701,7 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
phba->sli4_hba.link_state.status,
phba->sli4_hba.link_state.type,
phba->sli4_hba.link_state.number,
phba->sli4_hba.link_state.logical_speed * 10,
phba->sli4_hba.link_state.logical_speed,
phba->sli4_hba.link_state.fault);
/*
* For FC Mode: issue the READ_TOPOLOGY mailbox command to fetch
@@ -3658,7 +3773,8 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
}
/* Keep the link status for extra SLI4 state machine reference */
phba->sli4_hba.link_state.speed =
bf_get(lpfc_acqe_fc_la_speed, acqe_fc);
lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
bf_get(lpfc_acqe_fc_la_speed, acqe_fc));
phba->sli4_hba.link_state.duplex = LPFC_ASYNC_LINK_DUPLEX_FULL;
phba->sli4_hba.link_state.topology =
bf_get(lpfc_acqe_fc_la_topology, acqe_fc);
@@ -3671,7 +3787,7 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
phba->sli4_hba.link_state.fault =
bf_get(lpfc_acqe_link_fault, acqe_fc);
phba->sli4_hba.link_state.logical_speed =
bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc);
bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
"2896 Async FC event - Speed:%dGBaud Topology:x%x "
"LA Type:x%x Port Type:%d Port Number:%d Logical speed:"
@@ -3681,7 +3797,7 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
phba->sli4_hba.link_state.status,
phba->sli4_hba.link_state.type,
phba->sli4_hba.link_state.number,
phba->sli4_hba.link_state.logical_speed * 10,
phba->sli4_hba.link_state.logical_speed,
phba->sli4_hba.link_state.fault);
pmb = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!pmb) {
@@ -4171,11 +4287,11 @@ lpfc_sli4_async_grp5_evt(struct lpfc_hba *phba,
phba->fcoe_eventtag = acqe_grp5->event_tag;
prev_ll_spd = phba->sli4_hba.link_state.logical_speed;
phba->sli4_hba.link_state.logical_speed =
(bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5));
(bf_get(lpfc_acqe_grp5_llink_spd, acqe_grp5)) * 10;
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
"2789 GRP5 Async Event: Updating logical link speed "
"from %dMbps to %dMbps\n", (prev_ll_spd * 10),
(phba->sli4_hba.link_state.logical_speed*10));
"from %dMbps to %dMbps\n", prev_ll_spd,
phba->sli4_hba.link_state.logical_speed);
}
/**