[SCSI] lpfc 8.3.28: Add support for ABTS failure handling
Add support for ABTS failure handling: - Add asynchronous ABTS notification event feature to driver (CR 124578) - Change driver message 3092 and 3116 to KERN_WARNING (CR 124768) - Alter the SCR ELS command to use the temporary RPI and the Destination DID for SLI4-FC (CR 126070) Signed-off-by: Alex Iannicelli <alex.iannicelli@emulex.com> Signed-off-by: James Smart <james.smart@emulex.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
James Smart
James Bottomley
Родитель
ff78d8f97c
Коммит
cb69f7decc
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@ -106,7 +106,7 @@ void lpfc_cleanup(struct lpfc_vport *);
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void lpfc_disc_timeout(unsigned long);
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struct lpfc_nodelist *__lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
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struct lpfc_nodelist *lpfc_findnode_rpi(struct lpfc_vport *, uint16_t);
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void lpfc_worker_wake_up(struct lpfc_hba *);
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int lpfc_workq_post_event(struct lpfc_hba *, void *, void *, uint32_t);
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int lpfc_do_work(void *);
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@ -455,3 +455,5 @@ int lpfc_sli4_queue_create(struct lpfc_hba *);
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void lpfc_sli4_queue_destroy(struct lpfc_hba *);
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int lpfc_sli4_read_config(struct lpfc_hba *phba);
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int lpfc_scsi_buf_update(struct lpfc_hba *phba);
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void lpfc_sli4_abts_err_handler(struct lpfc_hba *, struct lpfc_nodelist *,
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struct sli4_wcqe_xri_aborted *);
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@ -6595,56 +6595,6 @@ dropit:
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phba->fc_stat.elsRcvDrop++;
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}
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/**
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* lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier
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* @phba: pointer to lpfc hba data structure.
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* @vpi: host virtual N_Port identifier.
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*
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* This routine finds a vport on a HBA (referred by @phba) through a
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* @vpi. The function walks the HBA's vport list and returns the address
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* of the vport with the matching @vpi.
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*
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* Return code
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* NULL - No vport with the matching @vpi found
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* Otherwise - Address to the vport with the matching @vpi.
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**/
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struct lpfc_vport *
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lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
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{
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struct lpfc_vport *vport;
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unsigned long flags;
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int i = 0;
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/* The physical ports are always vpi 0 - translate is unnecessary. */
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if (vpi > 0) {
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/*
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* Translate the physical vpi to the logical vpi. The
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* vport stores the logical vpi.
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*/
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for (i = 0; i < phba->max_vpi; i++) {
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if (vpi == phba->vpi_ids[i])
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break;
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}
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if (i >= phba->max_vpi) {
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lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
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"2936 Could not find Vport mapped "
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"to vpi %d\n", vpi);
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return NULL;
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}
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}
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spin_lock_irqsave(&phba->hbalock, flags);
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list_for_each_entry(vport, &phba->port_list, listentry) {
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if (vport->vpi == i) {
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spin_unlock_irqrestore(&phba->hbalock, flags);
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return vport;
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}
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}
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spin_unlock_irqrestore(&phba->hbalock, flags);
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return NULL;
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}
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/**
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* lpfc_els_unsol_event - Process an unsolicited event from an els sli ring
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* @phba: pointer to lpfc hba data structure.
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@ -5352,6 +5352,73 @@ lpfc_findnode_wwpn(struct lpfc_vport *vport, struct lpfc_name *wwpn)
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return ndlp;
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}
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/*
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* This routine looks up the ndlp lists for the given RPI. If the rpi
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* is found, the routine returns the node element list pointer else
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* return NULL.
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*/
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struct lpfc_nodelist *
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lpfc_findnode_rpi(struct lpfc_vport *vport, uint16_t rpi)
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{
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struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
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struct lpfc_nodelist *ndlp;
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spin_lock_irq(shost->host_lock);
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ndlp = __lpfc_findnode_rpi(vport, rpi);
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spin_unlock_irq(shost->host_lock);
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return ndlp;
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}
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/**
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* lpfc_find_vport_by_vpid - Find a vport on a HBA through vport identifier
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* @phba: pointer to lpfc hba data structure.
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* @vpi: the physical host virtual N_Port identifier.
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*
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* This routine finds a vport on a HBA (referred by @phba) through a
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* @vpi. The function walks the HBA's vport list and returns the address
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* of the vport with the matching @vpi.
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*
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* Return code
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* NULL - No vport with the matching @vpi found
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* Otherwise - Address to the vport with the matching @vpi.
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**/
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struct lpfc_vport *
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lpfc_find_vport_by_vpid(struct lpfc_hba *phba, uint16_t vpi)
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{
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struct lpfc_vport *vport;
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unsigned long flags;
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int i = 0;
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/* The physical ports are always vpi 0 - translate is unnecessary. */
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if (vpi > 0) {
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/*
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* Translate the physical vpi to the logical vpi. The
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* vport stores the logical vpi.
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*/
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for (i = 0; i < phba->max_vpi; i++) {
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if (vpi == phba->vpi_ids[i])
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break;
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}
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if (i >= phba->max_vpi) {
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lpfc_printf_log(phba, KERN_ERR, LOG_ELS,
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"2936 Could not find Vport mapped "
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"to vpi %d\n", vpi);
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return NULL;
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}
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}
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spin_lock_irqsave(&phba->hbalock, flags);
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list_for_each_entry(vport, &phba->port_list, listentry) {
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if (vport->vpi == i) {
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spin_unlock_irqrestore(&phba->hbalock, flags);
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return vport;
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}
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}
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spin_unlock_irqrestore(&phba->hbalock, flags);
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return NULL;
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}
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void
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lpfc_nlp_init(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
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uint32_t did)
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@ -2819,7 +2819,8 @@ typedef struct {
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#ifdef __BIG_ENDIAN_BITFIELD
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uint32_t rsvd1 : 19; /* Reserved */
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uint32_t cdss : 1; /* Configure Data Security SLI */
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uint32_t rsvd2 : 3; /* Reserved */
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uint32_t casabt : 1; /* Configure async abts status notice */
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uint32_t rsvd2 : 2; /* Reserved */
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uint32_t cbg : 1; /* Configure BlockGuard */
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uint32_t cmv : 1; /* Configure Max VPIs */
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uint32_t ccrp : 1; /* Config Command Ring Polling */
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@ -2839,14 +2840,16 @@ typedef struct {
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uint32_t ccrp : 1; /* Config Command Ring Polling */
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uint32_t cmv : 1; /* Configure Max VPIs */
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uint32_t cbg : 1; /* Configure BlockGuard */
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uint32_t rsvd2 : 3; /* Reserved */
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uint32_t rsvd2 : 2; /* Reserved */
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uint32_t casabt : 1; /* Configure async abts status notice */
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uint32_t cdss : 1; /* Configure Data Security SLI */
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uint32_t rsvd1 : 19; /* Reserved */
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#endif
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#ifdef __BIG_ENDIAN_BITFIELD
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uint32_t rsvd3 : 19; /* Reserved */
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uint32_t gdss : 1; /* Configure Data Security SLI */
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uint32_t rsvd4 : 3; /* Reserved */
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uint32_t gasabt : 1; /* Grant async abts status notice */
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uint32_t rsvd4 : 2; /* Reserved */
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uint32_t gbg : 1; /* Grant BlockGuard */
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uint32_t gmv : 1; /* Grant Max VPIs */
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uint32_t gcrp : 1; /* Grant Command Ring Polling */
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@ -2866,7 +2869,8 @@ typedef struct {
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uint32_t gcrp : 1; /* Grant Command Ring Polling */
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uint32_t gmv : 1; /* Grant Max VPIs */
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uint32_t gbg : 1; /* Grant BlockGuard */
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uint32_t rsvd4 : 3; /* Reserved */
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uint32_t rsvd4 : 2; /* Reserved */
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uint32_t gasabt : 1; /* Grant async abts status notice */
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uint32_t gdss : 1; /* Configure Data Security SLI */
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uint32_t rsvd3 : 19; /* Reserved */
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#endif
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@ -3465,6 +3469,7 @@ typedef struct {
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} ASYNCSTAT_FIELDS;
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#define ASYNC_TEMP_WARN 0x100
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#define ASYNC_TEMP_SAFE 0x101
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#define ASYNC_STATUS_CN 0x102
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/* IOCB Command template for CMD_IOCB_RCV_ELS64_CX (0xB7)
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or CMD_IOCB_RCV_SEQ64_CX (0xB5) */
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@ -1293,6 +1293,10 @@ lpfc_config_port(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
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phba->sli_rev = LPFC_SLI_REV2;
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mb->un.varCfgPort.sli_mode = phba->sli_rev;
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/* If this is an SLI3 port, configure async status notification. */
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if (phba->sli_rev == LPFC_SLI_REV3)
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mb->un.varCfgPort.casabt = 1;
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/* Now setup pcb */
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phba->pcb->type = TYPE_NATIVE_SLI2;
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phba->pcb->feature = FEATURE_INITIAL_SLI2;
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@ -681,8 +681,10 @@ lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *phba,
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rrq_empty = list_empty(&phba->active_rrq_list);
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spin_unlock_irqrestore(&phba->hbalock, iflag);
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if (ndlp)
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if (ndlp) {
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lpfc_set_rrq_active(phba, ndlp, xri, rxid, 1);
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lpfc_sli4_abts_err_handler(phba, ndlp, axri);
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}
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lpfc_release_scsi_buf_s4(phba, psb);
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if (rrq_empty)
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lpfc_worker_wake_up(phba);
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@ -4339,6 +4339,11 @@ lpfc_sli_config_port(struct lpfc_hba *phba, int sli_mode)
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phba->sli.sli_flag &= ~LPFC_SLI_ASYNC_MBX_BLK;
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spin_unlock_irq(&phba->hbalock);
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done = 1;
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if ((pmb->u.mb.un.varCfgPort.casabt == 1) &&
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(pmb->u.mb.un.varCfgPort.gasabt == 0))
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lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
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"3110 Port did not grant ASABT\n");
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}
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}
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if (!done) {
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@ -7704,6 +7709,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq,
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iocbq->context2)->virt);
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if (phba->fc_topology == LPFC_TOPOLOGY_LOOP) {
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if (pcmd && (*pcmd == ELS_CMD_FLOGI ||
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*pcmd == ELS_CMD_SCR ||
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*pcmd == ELS_CMD_PLOGI)) {
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bf_set(els_req64_sp, &wqe->els_req, 1);
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bf_set(els_req64_sid, &wqe->els_req,
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@ -8213,6 +8219,137 @@ lpfc_extra_ring_setup( struct lpfc_hba *phba)
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return 0;
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}
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/* lpfc_sli_abts_recover_port - Recover a port that failed an ABTS.
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* @vport: pointer to virtual port object.
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* @ndlp: nodelist pointer for the impacted rport.
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*
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* The driver calls this routine in response to a XRI ABORT CQE
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* event from the port. In this event, the driver is required to
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* recover its login to the rport even though its login may be valid
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* from the driver's perspective. The failed ABTS notice from the
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* port indicates the rport is not responding.
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*/
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static void
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lpfc_sli_abts_recover_port(struct lpfc_vport *vport,
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struct lpfc_nodelist *ndlp)
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{
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struct Scsi_Host *shost;
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struct lpfc_hba *phba;
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unsigned long flags = 0;
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shost = lpfc_shost_from_vport(vport);
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phba = vport->phba;
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if (ndlp->nlp_state != NLP_STE_MAPPED_NODE) {
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lpfc_printf_log(phba, KERN_INFO,
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LOG_SLI, "3093 No rport recovery needed. "
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"rport in state 0x%x\n",
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ndlp->nlp_state);
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return;
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}
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lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
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"3094 Start rport recovery on shost id 0x%x "
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"fc_id 0x%06x vpi 0x%x rpi 0x%x state 0x%x "
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"flags 0x%x\n",
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shost->host_no, ndlp->nlp_DID,
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vport->vpi, ndlp->nlp_rpi, ndlp->nlp_state,
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ndlp->nlp_flag);
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/*
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* The rport is not responding. Don't attempt ADISC recovery.
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* Remove the FCP-2 flag to force a PLOGI.
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*/
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spin_lock_irqsave(shost->host_lock, flags);
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ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
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spin_unlock_irqrestore(shost->host_lock, flags);
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lpfc_disc_state_machine(vport, ndlp, NULL,
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NLP_EVT_DEVICE_RECOVERY);
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lpfc_cancel_retry_delay_tmo(vport, ndlp);
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spin_lock_irqsave(shost->host_lock, flags);
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ndlp->nlp_flag |= NLP_NPR_2B_DISC;
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spin_unlock_irqrestore(shost->host_lock, flags);
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lpfc_disc_start(vport);
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}
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/* lpfc_sli_abts_err_handler - handle a failed ABTS request from an SLI3 port.
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* @phba: Pointer to HBA context object.
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* @iocbq: Pointer to iocb object.
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*
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* The async_event handler calls this routine when it receives
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* an ASYNC_STATUS_CN event from the port. The port generates
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* this event when an Abort Sequence request to an rport fails
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* twice in succession. The abort could be originated by the
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* driver or by the port. The ABTS could have been for an ELS
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* or FCP IO. The port only generates this event when an ABTS
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* fails to complete after one retry.
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*/
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static void
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lpfc_sli_abts_err_handler(struct lpfc_hba *phba,
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struct lpfc_iocbq *iocbq)
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{
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struct lpfc_nodelist *ndlp = NULL;
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uint16_t rpi = 0, vpi = 0;
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struct lpfc_vport *vport = NULL;
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/* The rpi in the ulpContext is vport-sensitive. */
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vpi = iocbq->iocb.un.asyncstat.sub_ctxt_tag;
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rpi = iocbq->iocb.ulpContext;
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lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
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"3092 Port generated ABTS async event "
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"on vpi %d rpi %d status 0x%x\n",
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vpi, rpi, iocbq->iocb.ulpStatus);
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vport = lpfc_find_vport_by_vpid(phba, vpi);
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if (!vport)
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goto err_exit;
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ndlp = lpfc_findnode_rpi(vport, rpi);
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if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
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goto err_exit;
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if (iocbq->iocb.ulpStatus == IOSTAT_LOCAL_REJECT)
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lpfc_sli_abts_recover_port(vport, ndlp);
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return;
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err_exit:
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lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
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"3095 Event Context not found, no "
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"action on vpi %d rpi %d status 0x%x, reason 0x%x\n",
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iocbq->iocb.ulpContext, iocbq->iocb.ulpStatus,
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vpi, rpi);
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}
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/* lpfc_sli4_abts_err_handler - handle a failed ABTS request from an SLI4 port.
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* @phba: pointer to HBA context object.
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* @ndlp: nodelist pointer for the impacted rport.
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* @axri: pointer to the wcqe containing the failed exchange.
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*
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* The driver calls this routine when it receives an ABORT_XRI_FCP CQE from the
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* port. The port generates this event when an abort exchange request to an
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* rport fails twice in succession with no reply. The abort could be originated
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* by the driver or by the port. The ABTS could have been for an ELS or FCP IO.
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*/
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void
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lpfc_sli4_abts_err_handler(struct lpfc_hba *phba,
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struct lpfc_nodelist *ndlp,
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struct sli4_wcqe_xri_aborted *axri)
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{
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struct lpfc_vport *vport;
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if (!ndlp || !NLP_CHK_NODE_ACT(ndlp))
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lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
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"3115 Node Context not found, driver "
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"ignoring abts err event\n");
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vport = ndlp->vport;
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lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
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"3116 Port generated FCP XRI ABORT event on "
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"vpi %d rpi %d xri x%x status 0x%x\n",
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ndlp->vport->vpi, ndlp->nlp_rpi,
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bf_get(lpfc_wcqe_xa_xri, axri),
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bf_get(lpfc_wcqe_xa_status, axri));
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if (bf_get(lpfc_wcqe_xa_status, axri) == IOSTAT_LOCAL_REJECT)
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lpfc_sli_abts_recover_port(vport, ndlp);
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}
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/**
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* lpfc_sli_async_event_handler - ASYNC iocb handler function
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* @phba: Pointer to HBA context object.
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@ -8232,63 +8369,58 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba,
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{
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IOCB_t *icmd;
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uint16_t evt_code;
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uint16_t temp;
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struct temp_event temp_event_data;
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struct Scsi_Host *shost;
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uint32_t *iocb_w;
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icmd = &iocbq->iocb;
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evt_code = icmd->un.asyncstat.evt_code;
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temp = icmd->ulpContext;
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if ((evt_code != ASYNC_TEMP_WARN) &&
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(evt_code != ASYNC_TEMP_SAFE)) {
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switch (evt_code) {
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case ASYNC_TEMP_WARN:
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case ASYNC_TEMP_SAFE:
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temp_event_data.data = (uint32_t) icmd->ulpContext;
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temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
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if (evt_code == ASYNC_TEMP_WARN) {
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temp_event_data.event_code = LPFC_THRESHOLD_TEMP;
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lpfc_printf_log(phba, KERN_ERR, LOG_TEMP,
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"0347 Adapter is very hot, please take "
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"corrective action. temperature : %d Celsius\n",
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(uint32_t) icmd->ulpContext);
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} else {
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temp_event_data.event_code = LPFC_NORMAL_TEMP;
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lpfc_printf_log(phba, KERN_ERR, LOG_TEMP,
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"0340 Adapter temperature is OK now. "
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"temperature : %d Celsius\n",
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(uint32_t) icmd->ulpContext);
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}
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/* Send temperature change event to applications */
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shost = lpfc_shost_from_vport(phba->pport);
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fc_host_post_vendor_event(shost, fc_get_event_number(),
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sizeof(temp_event_data), (char *) &temp_event_data,
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LPFC_NL_VENDOR_ID);
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break;
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case ASYNC_STATUS_CN:
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lpfc_sli_abts_err_handler(phba, iocbq);
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break;
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default:
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iocb_w = (uint32_t *) icmd;
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lpfc_printf_log(phba,
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KERN_ERR,
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LOG_SLI,
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lpfc_printf_log(phba, KERN_ERR, LOG_SLI,
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"0346 Ring %d handler: unexpected ASYNC_STATUS"
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" evt_code 0x%x\n"
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"W0 0x%08x W1 0x%08x W2 0x%08x W3 0x%08x\n"
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"W4 0x%08x W5 0x%08x W6 0x%08x W7 0x%08x\n"
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"W8 0x%08x W9 0x%08x W10 0x%08x W11 0x%08x\n"
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"W12 0x%08x W13 0x%08x W14 0x%08x W15 0x%08x\n",
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pring->ringno,
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icmd->un.asyncstat.evt_code,
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pring->ringno, icmd->un.asyncstat.evt_code,
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iocb_w[0], iocb_w[1], iocb_w[2], iocb_w[3],
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iocb_w[4], iocb_w[5], iocb_w[6], iocb_w[7],
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iocb_w[8], iocb_w[9], iocb_w[10], iocb_w[11],
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iocb_w[12], iocb_w[13], iocb_w[14], iocb_w[15]);
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||||
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||||
return;
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||||
break;
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||||
}
|
||||
temp_event_data.data = (uint32_t)temp;
|
||||
temp_event_data.event_type = FC_REG_TEMPERATURE_EVENT;
|
||||
if (evt_code == ASYNC_TEMP_WARN) {
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||||
temp_event_data.event_code = LPFC_THRESHOLD_TEMP;
|
||||
lpfc_printf_log(phba,
|
||||
KERN_ERR,
|
||||
LOG_TEMP,
|
||||
"0347 Adapter is very hot, please take "
|
||||
"corrective action. temperature : %d Celsius\n",
|
||||
temp);
|
||||
}
|
||||
if (evt_code == ASYNC_TEMP_SAFE) {
|
||||
temp_event_data.event_code = LPFC_NORMAL_TEMP;
|
||||
lpfc_printf_log(phba,
|
||||
KERN_ERR,
|
||||
LOG_TEMP,
|
||||
"0340 Adapter temperature is OK now. "
|
||||
"temperature : %d Celsius\n",
|
||||
temp);
|
||||
}
|
||||
|
||||
/* Send temperature change event to applications */
|
||||
shost = lpfc_shost_from_vport(phba->pport);
|
||||
fc_host_post_vendor_event(shost, fc_get_event_number(),
|
||||
sizeof(temp_event_data), (char *) &temp_event_data,
|
||||
LPFC_NL_VENDOR_ID);
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -9247,6 +9379,14 @@ void
|
|||
lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
|
||||
struct lpfc_iocbq *rspiocb)
|
||||
{
|
||||
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
|
||||
"3096 ABORT_XRI_CN completing on xri x%x "
|
||||
"original iotag x%x, abort cmd iotag x%x "
|
||||
"status 0x%x, reason 0x%x\n",
|
||||
cmdiocb->iocb.un.acxri.abortContextTag,
|
||||
cmdiocb->iocb.un.acxri.abortIoTag,
|
||||
cmdiocb->iotag, rspiocb->iocb.ulpStatus,
|
||||
rspiocb->iocb.un.ulpWord[4]);
|
||||
lpfc_sli_release_iocbq(phba, cmdiocb);
|
||||
return;
|
||||
}
|
||||
|
|
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