aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/scsi/lpfc/lpfc_hbadisc.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/lpfc/lpfc_hbadisc.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_hbadisc.c74
1 files changed, 43 insertions, 31 deletions
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index d7096ad94d3f..326e05a65a73 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -691,12 +691,15 @@ lpfc_work_done(struct lpfc_hba *phba)
/* Set the lpfc data pending flag */
set_bit(LPFC_DATA_READY, &phba->data_flags);
} else {
- pring->flag &= ~LPFC_DEFERRED_RING_EVENT;
- lpfc_sli_handle_slow_ring_event(phba, pring,
- (status &
- HA_RXMASK));
+ if (phba->link_state >= LPFC_LINK_UP) {
+ pring->flag &= ~LPFC_DEFERRED_RING_EVENT;
+ lpfc_sli_handle_slow_ring_event(phba, pring,
+ (status &
+ HA_RXMASK));
+ }
}
- if ((phba->sli_rev == LPFC_SLI_REV4) && pring->txq_cnt)
+ if ((phba->sli_rev == LPFC_SLI_REV4) &
+ (!list_empty(&pring->txq)))
lpfc_drain_txq(phba);
/*
* Turn on Ring interrupts
@@ -1732,7 +1735,7 @@ lpfc_check_pending_fcoe_event(struct lpfc_hba *phba, uint8_t unreg_fcf)
* use through a sequence of @fcf_cnt eligible FCF records with equal
* probability. To perform integer manunipulation of random numbers with
* size unit32_t, the lower 16 bits of the 32-bit random number returned
- * from random32() are taken as the random random number generated.
+ * from prandom_u32() are taken as the random random number generated.
*
* Returns true when outcome is for the newly read FCF record should be
* chosen; otherwise, return false when outcome is for keeping the previously
@@ -1744,7 +1747,7 @@ lpfc_sli4_new_fcf_random_select(struct lpfc_hba *phba, uint32_t fcf_cnt)
uint32_t rand_num;
/* Get 16-bit uniform random number */
- rand_num = (0xFFFF & random32());
+ rand_num = 0xFFFF & prandom_u32();
/* Decision with probability 1/fcf_cnt */
if ((fcf_cnt * rand_num) < 0xFFFF)
@@ -1792,6 +1795,8 @@ lpfc_sli4_fcf_rec_mbox_parse(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq,
virt_addr = mboxq->sge_array->addr[0];
shdr = (union lpfc_sli4_cfg_shdr *)virt_addr;
+ lpfc_sli_pcimem_bcopy(shdr, shdr,
+ sizeof(union lpfc_sli4_cfg_shdr));
shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
if (shdr_status || shdr_add_status) {
@@ -2380,7 +2385,7 @@ lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
phba->fcf.eligible_fcf_cnt = 1;
/* Seeding the random number generator for random selection */
seed = (uint32_t)(0xFFFFFFFF & jiffies);
- srandom32(seed);
+ prandom_seed(seed);
}
spin_unlock_irq(&phba->hbalock);
goto read_next_fcf;
@@ -2888,6 +2893,11 @@ lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq)
lpfc_vport_set_state(vport, FC_VPORT_FAILED);
goto out_free_mem;
}
+
+ /* If the VFI is already registered, there is nothing else to do */
+ if (vport->fc_flag & FC_VFI_REGISTERED)
+ goto out_free_mem;
+
/* The VPI is implicitly registered when the VFI is registered */
spin_lock_irq(shost->host_lock);
vport->vpi_state |= LPFC_VPI_REGISTERED;
@@ -2980,6 +2990,7 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la)
struct lpfc_dmabuf *mp;
int rc;
struct fcf_record *fcf_record;
+ uint32_t fc_flags = 0;
spin_lock_irq(&phba->hbalock);
switch (bf_get(lpfc_mbx_read_top_link_spd, la)) {
@@ -3011,11 +3022,8 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la)
"1309 Link Up Event npiv not supported in loop "
"topology\n");
/* Get Loop Map information */
- if (bf_get(lpfc_mbx_read_top_il, la)) {
- spin_lock(shost->host_lock);
- vport->fc_flag |= FC_LBIT;
- spin_unlock(shost->host_lock);
- }
+ if (bf_get(lpfc_mbx_read_top_il, la))
+ fc_flags |= FC_LBIT;
vport->fc_myDID = bf_get(lpfc_mbx_read_top_alpa_granted, la);
i = la->lilpBde64.tus.f.bdeSize;
@@ -3064,12 +3072,16 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la)
phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED;
}
vport->fc_myDID = phba->fc_pref_DID;
- spin_lock(shost->host_lock);
- vport->fc_flag |= FC_LBIT;
- spin_unlock(shost->host_lock);
+ fc_flags |= FC_LBIT;
}
spin_unlock_irq(&phba->hbalock);
+ if (fc_flags) {
+ spin_lock_irq(shost->host_lock);
+ vport->fc_flag |= fc_flags;
+ spin_unlock_irq(shost->host_lock);
+ }
+
lpfc_linkup(phba);
sparam_mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!sparam_mbox)
@@ -3237,8 +3249,7 @@ lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
vport->fc_flag &= ~FC_BYPASSED_MODE;
spin_unlock_irq(shost->host_lock);
- if ((phba->fc_eventTag < la->eventTag) ||
- (phba->fc_eventTag == la->eventTag)) {
+ if (phba->fc_eventTag <= la->eventTag) {
phba->fc_stat.LinkMultiEvent++;
if (bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP)
if (phba->fc_eventTag != 0)
@@ -3246,16 +3257,18 @@ lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
}
phba->fc_eventTag = la->eventTag;
- spin_lock_irq(&phba->hbalock);
- if (bf_get(lpfc_mbx_read_top_mm, la))
- phba->sli.sli_flag |= LPFC_MENLO_MAINT;
- else
- phba->sli.sli_flag &= ~LPFC_MENLO_MAINT;
- spin_unlock_irq(&phba->hbalock);
+ if (phba->sli_rev < LPFC_SLI_REV4) {
+ spin_lock_irq(&phba->hbalock);
+ if (bf_get(lpfc_mbx_read_top_mm, la))
+ phba->sli.sli_flag |= LPFC_MENLO_MAINT;
+ else
+ phba->sli.sli_flag &= ~LPFC_MENLO_MAINT;
+ spin_unlock_irq(&phba->hbalock);
+ }
phba->link_events++;
if ((bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP) &&
- (!bf_get(lpfc_mbx_read_top_mm, la))) {
+ !(phba->sli.sli_flag & LPFC_MENLO_MAINT)) {
phba->fc_stat.LinkUp++;
if (phba->link_flag & LS_LOOPBACK_MODE) {
lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
@@ -3300,8 +3313,8 @@ lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
bf_get(lpfc_mbx_read_top_fa, la));
lpfc_mbx_issue_link_down(phba);
}
- if ((bf_get(lpfc_mbx_read_top_mm, la)) &&
- (bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP)) {
+ if ((phba->sli.sli_flag & LPFC_MENLO_MAINT) &&
+ ((bf_get(lpfc_mbx_read_top_att_type, la) == LPFC_ATT_LINK_UP))) {
if (phba->link_state != LPFC_LINK_DOWN) {
phba->fc_stat.LinkDown++;
lpfc_printf_log(phba, KERN_ERR, LOG_LINK_EVENT,
@@ -3329,8 +3342,9 @@ lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
}
}
- if (bf_get(lpfc_mbx_read_top_fa, la)) {
- if (bf_get(lpfc_mbx_read_top_mm, la))
+ if ((phba->sli_rev < LPFC_SLI_REV4) &&
+ bf_get(lpfc_mbx_read_top_fa, la)) {
+ if (phba->sli.sli_flag & LPFC_MENLO_MAINT)
lpfc_issue_clear_la(phba, vport);
lpfc_printf_log(phba, KERN_INFO, LOG_LINK_EVENT,
"1311 fa %d\n",
@@ -4354,7 +4368,6 @@ lpfc_no_rpi(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
with an error */
list_move_tail(&iocb->list,
&completions);
- pring->txq_cnt--;
}
}
spin_unlock_irq(&phba->hbalock);
@@ -5055,7 +5068,6 @@ lpfc_free_tx(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp)
(icmd->ulpCommand == CMD_XMIT_ELS_RSP64_CX)) {
list_move_tail(&iocb->list, &completions);
- pring->txq_cnt--;
}
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.