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-rw-r--r--drivers/scsi/lpfc/Makefile2
-rw-r--r--drivers/scsi/lpfc/lpfc_crtn.h7
-rw-r--r--drivers/scsi/lpfc/lpfc_ct.c2
-rw-r--r--drivers/scsi/lpfc/lpfc_els.c21
-rw-r--r--drivers/scsi/lpfc/lpfc_hw.h22
-rw-r--r--drivers/scsi/lpfc/lpfc_hw4.h3
-rw-r--r--drivers/scsi/lpfc/lpfc_ids.h30
-rw-r--r--drivers/scsi/lpfc/lpfc_init.c91
-rw-r--r--drivers/scsi/lpfc/lpfc_nportdisc.c3
-rw-r--r--drivers/scsi/lpfc/lpfc_nvme.c97
-rw-r--r--drivers/scsi/lpfc/lpfc_scsi.c269
-rw-r--r--drivers/scsi/lpfc/lpfc_sli.c25
-rw-r--r--drivers/scsi/lpfc/lpfc_version.h2
-rw-r--r--drivers/scsi/lpfc/lpfc_vmid.c288
14 files changed, 558 insertions, 304 deletions
diff --git a/drivers/scsi/lpfc/Makefile b/drivers/scsi/lpfc/Makefile
index 092a971d066b..bbd1faf41e80 100644
--- a/drivers/scsi/lpfc/Makefile
+++ b/drivers/scsi/lpfc/Makefile
@@ -33,4 +33,4 @@ obj-$(CONFIG_SCSI_LPFC) := lpfc.o
lpfc-objs := lpfc_mem.o lpfc_sli.o lpfc_ct.o lpfc_els.o \
lpfc_hbadisc.o lpfc_init.o lpfc_mbox.o lpfc_nportdisc.o \
lpfc_scsi.o lpfc_attr.o lpfc_vport.o lpfc_debugfs.o lpfc_bsg.o \
- lpfc_nvme.o lpfc_nvmet.o
+ lpfc_nvme.o lpfc_nvmet.o lpfc_vmid.o
diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h
index b0775be31d5c..f5d74958b664 100644
--- a/drivers/scsi/lpfc/lpfc_crtn.h
+++ b/drivers/scsi/lpfc/lpfc_crtn.h
@@ -420,8 +420,6 @@ int lpfc_sli_issue_iocb_wait(struct lpfc_hba *, uint32_t,
uint32_t);
void lpfc_sli_abort_fcp_cmpl(struct lpfc_hba *, struct lpfc_iocbq *,
struct lpfc_iocbq *);
-void lpfc_sli4_abort_fcp_cmpl(struct lpfc_hba *h, struct lpfc_iocbq *i,
- struct lpfc_wcqe_complete *w);
void lpfc_sli_free_hbq(struct lpfc_hba *, struct hbq_dmabuf *);
@@ -630,7 +628,7 @@ void lpfc_nvmet_invalidate_host(struct lpfc_hba *phba,
struct lpfc_nodelist *ndlp);
void lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba,
struct lpfc_iocbq *cmdiocb,
- struct lpfc_wcqe_complete *abts_cmpl);
+ struct lpfc_iocbq *rspiocb);
void lpfc_create_multixri_pools(struct lpfc_hba *phba);
void lpfc_create_destroy_pools(struct lpfc_hba *phba);
void lpfc_move_xri_pvt_to_pbl(struct lpfc_hba *phba, u32 hwqid);
@@ -671,6 +669,9 @@ int lpfc_vmid_cmd(struct lpfc_vport *vport,
int lpfc_vmid_hash_fn(const char *vmid, int len);
struct lpfc_vmid *lpfc_get_vmid_from_hashtable(struct lpfc_vport *vport,
uint32_t hash, uint8_t *buf);
+int lpfc_vmid_get_appid(struct lpfc_vport *vport, char *uuid,
+ enum dma_data_direction iodir,
+ union lpfc_vmid_io_tag *tag);
void lpfc_vmid_vport_cleanup(struct lpfc_vport *vport);
int lpfc_issue_els_qfpa(struct lpfc_vport *vport);
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 9d36b20fb878..13dfe285493d 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -197,7 +197,7 @@ lpfc_ct_reject_event(struct lpfc_nodelist *ndlp,
memset(bpl, 0, sizeof(struct ulp_bde64));
bpl->addrHigh = le32_to_cpu(putPaddrHigh(mp->phys));
bpl->addrLow = le32_to_cpu(putPaddrLow(mp->phys));
- bpl->tus.f.bdeFlags = BUFF_TYPE_BLP_64;
+ bpl->tus.f.bdeFlags = BUFF_TYPE_BDE_64;
bpl->tus.f.bdeSize = (LPFC_CT_PREAMBLE - 4);
bpl->tus.w = le32_to_cpu(bpl->tus.w);
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 07f9a6e61e10..3fababb7c181 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -2998,10 +2998,7 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
ndlp->nlp_DID, ulp_status,
ulp_word4);
- /* Call NLP_EVT_DEVICE_RM if link is down or LOGO is aborted */
if (lpfc_error_lost_link(ulp_status, ulp_word4)) {
- lpfc_disc_state_machine(vport, ndlp, cmdiocb,
- NLP_EVT_DEVICE_RM);
skip_recovery = 1;
goto out;
}
@@ -3021,18 +3018,10 @@ lpfc_cmpl_els_logo(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
spin_unlock_irq(&ndlp->lock);
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
NLP_EVT_DEVICE_RM);
- lpfc_els_free_iocb(phba, cmdiocb);
- lpfc_nlp_put(ndlp);
-
- /* Presume the node was released. */
- return;
+ goto out_rsrc_free;
}
out:
- /* Driver is done with the IO. */
- lpfc_els_free_iocb(phba, cmdiocb);
- lpfc_nlp_put(ndlp);
-
/* At this point, the LOGO processing is complete. NOTE: For a
* pt2pt topology, we are assuming the NPortID will only change
* on link up processing. For a LOGO / PLOGI initiated by the
@@ -3059,6 +3048,10 @@ out:
ndlp->nlp_DID, ulp_status,
ulp_word4, tmo,
vport->num_disc_nodes);
+
+ lpfc_els_free_iocb(phba, cmdiocb);
+ lpfc_nlp_put(ndlp);
+
lpfc_disc_start(vport);
return;
}
@@ -3075,6 +3068,10 @@ out:
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
NLP_EVT_DEVICE_RM);
}
+out_rsrc_free:
+ /* Driver is done with the I/O. */
+ lpfc_els_free_iocb(phba, cmdiocb);
+ lpfc_nlp_put(ndlp);
}
/**
diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h
index 748c53219986..7b8cf678abb5 100644
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -1736,6 +1736,28 @@ struct lpfc_fdmi_reg_portattr {
#define PCI_DEVICE_ID_TOMCAT 0x0714
#define PCI_DEVICE_ID_SKYHAWK 0x0724
#define PCI_DEVICE_ID_SKYHAWK_VF 0x072c
+#define PCI_VENDOR_ID_ATTO 0x117c
+#define PCI_DEVICE_ID_CLRY_16XE 0x0064
+#define PCI_DEVICE_ID_CLRY_161E 0x0063
+#define PCI_DEVICE_ID_CLRY_162E 0x0064
+#define PCI_DEVICE_ID_CLRY_164E 0x0065
+#define PCI_DEVICE_ID_CLRY_16XP 0x0094
+#define PCI_DEVICE_ID_CLRY_161P 0x00a0
+#define PCI_DEVICE_ID_CLRY_162P 0x0094
+#define PCI_DEVICE_ID_CLRY_164P 0x00a1
+#define PCI_DEVICE_ID_CLRY_32XE 0x0094
+#define PCI_DEVICE_ID_CLRY_321E 0x00a2
+#define PCI_DEVICE_ID_CLRY_322E 0x00a3
+#define PCI_DEVICE_ID_CLRY_324E 0x00ac
+#define PCI_DEVICE_ID_CLRY_32XP 0x00bb
+#define PCI_DEVICE_ID_CLRY_321P 0x00bc
+#define PCI_DEVICE_ID_CLRY_322P 0x00bd
+#define PCI_DEVICE_ID_CLRY_324P 0x00be
+#define PCI_DEVICE_ID_TLFC_2 0x0064
+#define PCI_DEVICE_ID_TLFC_2XX2 0x4064
+#define PCI_DEVICE_ID_TLFC_3 0x0094
+#define PCI_DEVICE_ID_TLFC_3162 0x40a6
+#define PCI_DEVICE_ID_TLFC_3322 0x40a7
#define JEDEC_ID_ADDRESS 0x0080001c
#define FIREFLY_JEDEC_ID 0x1ACC
diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h
index 8511369d2cf8..f024415731ac 100644
--- a/drivers/scsi/lpfc/lpfc_hw4.h
+++ b/drivers/scsi/lpfc/lpfc_hw4.h
@@ -4487,6 +4487,9 @@ struct wqe_common {
#define wqe_sup_SHIFT 6
#define wqe_sup_MASK 0x00000001
#define wqe_sup_WORD word11
+#define wqe_ffrq_SHIFT 6
+#define wqe_ffrq_MASK 0x00000001
+#define wqe_ffrq_WORD word11
#define wqe_wqec_SHIFT 7
#define wqe_wqec_MASK 0x00000001
#define wqe_wqec_WORD word11
diff --git a/drivers/scsi/lpfc/lpfc_ids.h b/drivers/scsi/lpfc/lpfc_ids.h
index 6a90e6e53d09..a1b9be245560 100644
--- a/drivers/scsi/lpfc/lpfc_ids.h
+++ b/drivers/scsi/lpfc/lpfc_ids.h
@@ -124,5 +124,35 @@ const struct pci_device_id lpfc_id_table[] = {
PCI_ANY_ID, PCI_ANY_ID, },
{PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_SKYHAWK_VF,
PCI_ANY_ID, PCI_ANY_ID, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_16XE,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_161E, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_16XE,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_162E, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_16XE,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_164E, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_16XP,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_161P, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_16XP,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_162P, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_16XP,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_164P, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_32XE,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_321E, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_32XE,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_322E, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_32XE,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_324E, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_32XP,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_321P, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_32XP,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_322P, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_32XP,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_CLRY_324P, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_TLFC_2,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_TLFC_2XX2, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_TLFC_3,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_TLFC_3162, },
+ {PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_TLFC_3,
+ PCI_VENDOR_ID_ATTO, PCI_DEVICE_ID_TLFC_3322, },
{ 0 }
};
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 2bffaa681fcc..750dd1e9f2cc 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -2415,6 +2415,90 @@ lpfc_parse_vpd(struct lpfc_hba *phba, uint8_t *vpd, int len)
}
/**
+ * lpfc_get_atto_model_desc - Retrieve ATTO HBA device model name and description
+ * @phba: pointer to lpfc hba data structure.
+ * @mdp: pointer to the data structure to hold the derived model name.
+ * @descp: pointer to the data structure to hold the derived description.
+ *
+ * This routine retrieves HBA's description based on its registered PCI device
+ * ID. The @descp passed into this function points to an array of 256 chars. It
+ * shall be returned with the model name, maximum speed, and the host bus type.
+ * The @mdp passed into this function points to an array of 80 chars. When the
+ * function returns, the @mdp will be filled with the model name.
+ **/
+static void
+lpfc_get_atto_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
+{
+ uint16_t sub_dev_id = phba->pcidev->subsystem_device;
+ char *model = "<Unknown>";
+ int tbolt = 0;
+
+ switch (sub_dev_id) {
+ case PCI_DEVICE_ID_CLRY_161E:
+ model = "161E";
+ break;
+ case PCI_DEVICE_ID_CLRY_162E:
+ model = "162E";
+ break;
+ case PCI_DEVICE_ID_CLRY_164E:
+ model = "164E";
+ break;
+ case PCI_DEVICE_ID_CLRY_161P:
+ model = "161P";
+ break;
+ case PCI_DEVICE_ID_CLRY_162P:
+ model = "162P";
+ break;
+ case PCI_DEVICE_ID_CLRY_164P:
+ model = "164P";
+ break;
+ case PCI_DEVICE_ID_CLRY_321E:
+ model = "321E";
+ break;
+ case PCI_DEVICE_ID_CLRY_322E:
+ model = "322E";
+ break;
+ case PCI_DEVICE_ID_CLRY_324E:
+ model = "324E";
+ break;
+ case PCI_DEVICE_ID_CLRY_321P:
+ model = "321P";
+ break;
+ case PCI_DEVICE_ID_CLRY_322P:
+ model = "322P";
+ break;
+ case PCI_DEVICE_ID_CLRY_324P:
+ model = "324P";
+ break;
+ case PCI_DEVICE_ID_TLFC_2XX2:
+ model = "2XX2";
+ tbolt = 1;
+ break;
+ case PCI_DEVICE_ID_TLFC_3162:
+ model = "3162";
+ tbolt = 1;
+ break;
+ case PCI_DEVICE_ID_TLFC_3322:
+ model = "3322";
+ tbolt = 1;
+ break;
+ default:
+ model = "Unknown";
+ break;
+ }
+
+ if (mdp && mdp[0] == '\0')
+ snprintf(mdp, 79, "%s", model);
+
+ if (descp && descp[0] == '\0')
+ snprintf(descp, 255,
+ "ATTO %s%s, Fibre Channel Adapter Initiator, Port %s",
+ (tbolt) ? "ThunderLink FC " : "Celerity FC-",
+ model,
+ phba->Port);
+}
+
+/**
* lpfc_get_hba_model_desc - Retrieve HBA device model name and description
* @phba: pointer to lpfc hba data structure.
* @mdp: pointer to the data structure to hold the derived model name.
@@ -2444,6 +2528,11 @@ lpfc_get_hba_model_desc(struct lpfc_hba *phba, uint8_t *mdp, uint8_t *descp)
&& descp && descp[0] != '\0')
return;
+ if (phba->pcidev->vendor == PCI_VENDOR_ID_ATTO) {
+ lpfc_get_atto_model_desc(phba, mdp, descp);
+ return;
+ }
+
if (phba->lmt & LMT_64Gb)
max_speed = 64;
else if (phba->lmt & LMT_32Gb)
@@ -12099,7 +12188,7 @@ lpfc_sli_enable_msi(struct lpfc_hba *phba)
rc = pci_enable_msi(phba->pcidev);
if (!rc)
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
- "0462 PCI enable MSI mode success.\n");
+ "0012 PCI enable MSI mode success.\n");
else {
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
"0471 PCI enable MSI mode failed (%d)\n", rc);
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 639f86635127..b86ff9fcdf0c 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -834,7 +834,8 @@ lpfc_rcv_logo(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
lpfc_nvmet_invalidate_host(phba, ndlp);
if (ndlp->nlp_DID == Fabric_DID) {
- if (vport->port_state <= LPFC_FDISC)
+ if (vport->port_state <= LPFC_FDISC ||
+ vport->fc_flag & FC_PT2PT)
goto out;
lpfc_linkdown_port(vport);
spin_lock_irq(shost->host_lock);
diff --git a/drivers/scsi/lpfc/lpfc_nvme.c b/drivers/scsi/lpfc/lpfc_nvme.c
index 5385f4de5523..cd10ee6482fc 100644
--- a/drivers/scsi/lpfc/lpfc_nvme.c
+++ b/drivers/scsi/lpfc/lpfc_nvme.c
@@ -1065,25 +1065,37 @@ lpfc_nvme_io_cmd_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pwqeIn,
nCmd->rcv_rsplen = wcqe->parameter;
nCmd->status = 0;
+ /* Get the NVME cmd details for this unique error. */
+ cp = (struct nvme_fc_cmd_iu *)nCmd->cmdaddr;
+ ep = (struct nvme_fc_ersp_iu *)nCmd->rspaddr;
+
/* Check if this is really an ERSP */
if (nCmd->rcv_rsplen == LPFC_NVME_ERSP_LEN) {
lpfc_ncmd->status = IOSTAT_SUCCESS;
lpfc_ncmd->result = 0;
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME,
- "6084 NVME Completion ERSP: "
- "xri %x placed x%x\n",
- lpfc_ncmd->cur_iocbq.sli4_xritag,
- wcqe->total_data_placed);
+ "6084 NVME FCP_ERR ERSP: "
+ "xri %x placed x%x opcode x%x cmd_id "
+ "x%x cqe_status x%x\n",
+ lpfc_ncmd->cur_iocbq.sli4_xritag,
+ wcqe->total_data_placed,
+ cp->sqe.common.opcode,
+ cp->sqe.common.command_id,
+ ep->cqe.status);
break;
}
lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
"6081 NVME Completion Protocol Error: "
"xri %x status x%x result x%x "
- "placed x%x\n",
+ "placed x%x opcode x%x cmd_id x%x, "
+ "cqe_status x%x\n",
lpfc_ncmd->cur_iocbq.sli4_xritag,
lpfc_ncmd->status, lpfc_ncmd->result,
- wcqe->total_data_placed);
+ wcqe->total_data_placed,
+ cp->sqe.common.opcode,
+ cp->sqe.common.command_id,
+ ep->cqe.status);
break;
case IOSTAT_LOCAL_REJECT:
/* Let fall through to set command final state. */
@@ -1195,7 +1207,8 @@ lpfc_nvme_prep_io_cmd(struct lpfc_vport *vport,
{
struct lpfc_hba *phba = vport->phba;
struct nvmefc_fcp_req *nCmd = lpfc_ncmd->nvmeCmd;
- struct lpfc_iocbq *pwqeq = &(lpfc_ncmd->cur_iocbq);
+ struct nvme_common_command *sqe;
+ struct lpfc_iocbq *pwqeq = &lpfc_ncmd->cur_iocbq;
union lpfc_wqe128 *wqe = &pwqeq->wqe;
uint32_t req_len;
@@ -1252,8 +1265,14 @@ lpfc_nvme_prep_io_cmd(struct lpfc_vport *vport,
cstat->control_requests++;
}
- if (pnode->nlp_nvme_info & NLP_NVME_NSLER)
+ if (pnode->nlp_nvme_info & NLP_NVME_NSLER) {
bf_set(wqe_erp, &wqe->generic.wqe_com, 1);
+ sqe = &((struct nvme_fc_cmd_iu *)
+ nCmd->cmdaddr)->sqe.common;
+ if (sqe->opcode == nvme_admin_async_event)
+ bf_set(wqe_ffrq, &wqe->generic.wqe_com, 1);
+ }
+
/*
* Finish initializing those WQE fields that are independent
* of the nvme_cmnd request_buffer
@@ -1279,6 +1298,19 @@ lpfc_nvme_prep_io_cmd(struct lpfc_vport *vport,
/* Words 13 14 15 are for PBDE support */
+ /* add the VMID tags as per switch response */
+ if (unlikely(lpfc_ncmd->cur_iocbq.cmd_flag & LPFC_IO_VMID)) {
+ if (phba->pport->vmid_priority_tagging) {
+ bf_set(wqe_ccpe, &wqe->fcp_iwrite.wqe_com, 1);
+ bf_set(wqe_ccp, &wqe->fcp_iwrite.wqe_com,
+ lpfc_ncmd->cur_iocbq.vmid_tag.cs_ctl_vmid);
+ } else {
+ bf_set(wqe_appid, &wqe->fcp_iwrite.wqe_com, 1);
+ bf_set(wqe_wqes, &wqe->fcp_iwrite.wqe_com, 1);
+ wqe->words[31] = lpfc_ncmd->cur_iocbq.vmid_tag.app_id;
+ }
+ }
+
pwqeq->vport = vport;
return 0;
}
@@ -1504,6 +1536,11 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
struct lpfc_nvme_fcpreq_priv *freqpriv;
struct nvme_common_command *sqe;
uint64_t start = 0;
+#if (IS_ENABLED(CONFIG_NVME_FC))
+ u8 *uuid = NULL;
+ int err;
+ enum dma_data_direction iodir;
+#endif
/* Validate pointers. LLDD fault handling with transport does
* have timing races.
@@ -1662,6 +1699,33 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
lpfc_ncmd->ndlp = ndlp;
lpfc_ncmd->qidx = lpfc_queue_info->qidx;
+#if (IS_ENABLED(CONFIG_NVME_FC))
+ /* check the necessary and sufficient condition to support VMID */
+ if (lpfc_is_vmid_enabled(phba) &&
+ (ndlp->vmid_support ||
+ phba->pport->vmid_priority_tagging ==
+ LPFC_VMID_PRIO_TAG_ALL_TARGETS)) {
+ /* is the I/O generated by a VM, get the associated virtual */
+ /* entity id */
+ uuid = nvme_fc_io_getuuid(pnvme_fcreq);
+
+ if (uuid) {
+ if (pnvme_fcreq->io_dir == NVMEFC_FCP_WRITE)
+ iodir = DMA_TO_DEVICE;
+ else if (pnvme_fcreq->io_dir == NVMEFC_FCP_READ)
+ iodir = DMA_FROM_DEVICE;
+ else
+ iodir = DMA_NONE;
+
+ err = lpfc_vmid_get_appid(vport, uuid, iodir,
+ (union lpfc_vmid_io_tag *)
+ &lpfc_ncmd->cur_iocbq.vmid_tag);
+ if (!err)
+ lpfc_ncmd->cur_iocbq.cmd_flag |= LPFC_IO_VMID;
+ }
+ }
+#endif
+
/*
* Issue the IO on the WQ indicated by index in the hw_queue_handle.
* This identfier was create in our hardware queue create callback
@@ -1742,7 +1806,7 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
* lpfc_nvme_abort_fcreq_cmpl - Complete an NVME FCP abort request.
* @phba: Pointer to HBA context object
* @cmdiocb: Pointer to command iocb object.
- * @abts_cmpl: Pointer to wcqe complete object.
+ * @rspiocb: Pointer to response iocb object.
*
* This is the callback function for any NVME FCP IO that was aborted.
*
@@ -1751,8 +1815,10 @@ lpfc_nvme_fcp_io_submit(struct nvme_fc_local_port *pnvme_lport,
**/
void
lpfc_nvme_abort_fcreq_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
- struct lpfc_wcqe_complete *abts_cmpl)
+ struct lpfc_iocbq *rspiocb)
{
+ struct lpfc_wcqe_complete *abts_cmpl = &rspiocb->wcqe_cmpl;
+
lpfc_printf_log(phba, KERN_INFO, LOG_NVME,
"6145 ABORT_XRI_CN completing on rpi x%x "
"original iotag x%x, abort cmd iotag x%x "
@@ -1795,6 +1861,7 @@ lpfc_nvme_fcp_abort(struct nvme_fc_local_port *pnvme_lport,
struct lpfc_nvme_fcpreq_priv *freqpriv;
unsigned long flags;
int ret_val;
+ struct nvme_fc_cmd_iu *cp;
/* Validate pointers. LLDD fault handling with transport does
* have timing races.
@@ -1918,10 +1985,16 @@ lpfc_nvme_fcp_abort(struct nvme_fc_local_port *pnvme_lport,
return;
}
+ /*
+ * Get Command Id from cmd to plug into response. This
+ * code is not needed in the next NVME Transport drop.
+ */
+ cp = (struct nvme_fc_cmd_iu *)lpfc_nbuf->nvmeCmd->cmdaddr;
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_ABTS,
"6138 Transport Abort NVME Request Issued for "
- "ox_id x%x\n",
- nvmereq_wqe->sli4_xritag);
+ "ox_id x%x nvme opcode x%x nvme cmd_id x%x\n",
+ nvmereq_wqe->sli4_xritag, cp->sqe.common.opcode,
+ cp->sqe.common.command_id);
return;
out_unlock:
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 3b8afa9d3056..ba5e4016262e 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -87,14 +87,6 @@ static void
lpfc_release_scsi_buf_s3(struct lpfc_hba *phba, struct lpfc_io_buf *psb);
static int
lpfc_prot_group_type(struct lpfc_hba *phba, struct scsi_cmnd *sc);
-static void
-lpfc_put_vmid_in_hashtable(struct lpfc_vport *vport, u32 hash,
- struct lpfc_vmid *vmp);
-static void lpfc_vmid_update_entry(struct lpfc_vport *vport, struct scsi_cmnd
- *cmd, struct lpfc_vmid *vmp,
- union lpfc_vmid_io_tag *tag);
-static void lpfc_vmid_assign_cs_ctl(struct lpfc_vport *vport,
- struct lpfc_vmid *vmid);
/**
* lpfc_sli4_set_rsp_sgl_last - Set the last bit in the response sge.
@@ -5271,254 +5263,6 @@ void lpfc_poll_timeout(struct timer_list *t)
}
/*
- * lpfc_get_vmid_from_hashtable - search the UUID in the hash table
- * @vport: The virtual port for which this call is being executed.
- * @hash: calculated hash value
- * @buf: uuid associated with the VE
- * Return the VMID entry associated with the UUID
- * Make sure to acquire the appropriate lock before invoking this routine.
- */
-struct lpfc_vmid *lpfc_get_vmid_from_hashtable(struct lpfc_vport *vport,
- u32 hash, u8 *buf)
-{
- struct lpfc_vmid *vmp;
-
- hash_for_each_possible(vport->hash_table, vmp, hnode, hash) {
- if (memcmp(&vmp->host_vmid[0], buf, 16) == 0)
- return vmp;
- }
- return NULL;
-}
-
-/*
- * lpfc_put_vmid_in_hashtable - put the VMID in the hash table
- * @vport: The virtual port for which this call is being executed.
- * @hash - calculated hash value
- * @vmp: Pointer to a VMID entry representing a VM sending I/O
- *
- * This routine will insert the newly acquired VMID entity in the hash table.
- * Make sure to acquire the appropriate lock before invoking this routine.
- */
-static void
-lpfc_put_vmid_in_hashtable(struct lpfc_vport *vport, u32 hash,
- struct lpfc_vmid *vmp)
-{
- hash_add(vport->hash_table, &vmp->hnode, hash);
-}
-
-/*
- * lpfc_vmid_hash_fn - create a hash value of the UUID
- * @vmid: uuid associated with the VE
- * @len: length of the VMID string
- * Returns the calculated hash value
- */
-int lpfc_vmid_hash_fn(const char *vmid, int len)
-{
- int c;
- int hash = 0;
-
- if (len == 0)
- return 0;
- while (len--) {
- c = *vmid++;
- if (c >= 'A' && c <= 'Z')
- c += 'a' - 'A';
-
- hash = (hash + (c << LPFC_VMID_HASH_SHIFT) +
- (c >> LPFC_VMID_HASH_SHIFT)) * 19;
- }
-
- return hash & LPFC_VMID_HASH_MASK;
-}
-
-/*
- * lpfc_vmid_update_entry - update the vmid entry in the hash table
- * @vport: The virtual port for which this call is being executed.
- * @cmd: address of scsi cmd descriptor
- * @vmp: Pointer to a VMID entry representing a VM sending I/O
- * @tag: VMID tag
- */
-static void lpfc_vmid_update_entry(struct lpfc_vport *vport, struct scsi_cmnd
- *cmd, struct lpfc_vmid *vmp,
- union lpfc_vmid_io_tag *tag)
-{
- u64 *lta;
-
- if (vport->phba->pport->vmid_flag & LPFC_VMID_TYPE_PRIO)
- tag->cs_ctl_vmid = vmp->un.cs_ctl_vmid;
- else if (vport->phba->cfg_vmid_app_header)
- tag->app_id = vmp->un.app_id;
-
- if (cmd->sc_data_direction == DMA_TO_DEVICE)
- vmp->io_wr_cnt++;
- else
- vmp->io_rd_cnt++;
-
- /* update the last access timestamp in the table */
- lta = per_cpu_ptr(vmp->last_io_time, raw_smp_processor_id());
- *lta = jiffies;
-}
-
-static void lpfc_vmid_assign_cs_ctl(struct lpfc_vport *vport,
- struct lpfc_vmid *vmid)
-{
- u32 hash;
- struct lpfc_vmid *pvmid;
-
- if (vport->port_type == LPFC_PHYSICAL_PORT) {
- vmid->un.cs_ctl_vmid = lpfc_vmid_get_cs_ctl(vport);
- } else {
- hash = lpfc_vmid_hash_fn(vmid->host_vmid, vmid->vmid_len);
- pvmid =
- lpfc_get_vmid_from_hashtable(vport->phba->pport, hash,
- vmid->host_vmid);
- if (pvmid)
- vmid->un.cs_ctl_vmid = pvmid->un.cs_ctl_vmid;
- else
- vmid->un.cs_ctl_vmid = lpfc_vmid_get_cs_ctl(vport);
- }
-}
-
-/*
- * lpfc_vmid_get_appid - get the VMID associated with the UUID
- * @vport: The virtual port for which this call is being executed.
- * @uuid: UUID associated with the VE
- * @cmd: address of scsi_cmd descriptor
- * @tag: VMID tag
- * Returns status of the function
- */
-static int lpfc_vmid_get_appid(struct lpfc_vport *vport, char *uuid, struct
- scsi_cmnd * cmd, union lpfc_vmid_io_tag *tag)
-{
- struct lpfc_vmid *vmp = NULL;
- int hash, len, rc = -EPERM, i;
-
- /* check if QFPA is complete */
- if (lpfc_vmid_is_type_priority_tag(vport) &&
- !(vport->vmid_flag & LPFC_VMID_QFPA_CMPL) &&
- (vport->vmid_flag & LPFC_VMID_ISSUE_QFPA)) {
- vport->work_port_events |= WORKER_CHECK_VMID_ISSUE_QFPA;
- return -EAGAIN;
- }
-
- /* search if the UUID has already been mapped to the VMID */
- len = strlen(uuid);
- hash = lpfc_vmid_hash_fn(uuid, len);
-
- /* search for the VMID in the table */
- read_lock(&vport->vmid_lock);
- vmp = lpfc_get_vmid_from_hashtable(vport, hash, uuid);
-
- /* if found, check if its already registered */
- if (vmp && vmp->flag & LPFC_VMID_REGISTERED) {
- read_unlock(&vport->vmid_lock);
- lpfc_vmid_update_entry(vport, cmd, vmp, tag);
- rc = 0;
- } else if (vmp && (vmp->flag & LPFC_VMID_REQ_REGISTER ||
- vmp->flag & LPFC_VMID_DE_REGISTER)) {
- /* else if register or dereg request has already been sent */
- /* Hence VMID tag will not be added for this I/O */
- read_unlock(&vport->vmid_lock);
- rc = -EBUSY;
- } else {
- /* The VMID was not found in the hashtable. At this point, */
- /* drop the read lock first before proceeding further */
- read_unlock(&vport->vmid_lock);
- /* start the process to obtain one as per the */
- /* type of the VMID indicated */
- write_lock(&vport->vmid_lock);
- vmp = lpfc_get_vmid_from_hashtable(vport, hash, uuid);
-
- /* while the read lock was released, in case the entry was */
- /* added by other context or is in process of being added */
- if (vmp && vmp->flag & LPFC_VMID_REGISTERED) {
- lpfc_vmid_update_entry(vport, cmd, vmp, tag);
- write_unlock(&vport->vmid_lock);
- return 0;
- } else if (vmp && vmp->flag & LPFC_VMID_REQ_REGISTER) {
- write_unlock(&vport->vmid_lock);
- return -EBUSY;
- }
-
- /* else search and allocate a free slot in the hash table */
- if (vport->cur_vmid_cnt < vport->max_vmid) {
- for (i = 0; i < vport->max_vmid; i++) {
- vmp = vport->vmid + i;
- if (vmp->flag == LPFC_VMID_SLOT_FREE)
- break;
- }
- if (i == vport->max_vmid)
- vmp = NULL;
- } else {
- vmp = NULL;
- }
-
- if (!vmp) {
- write_unlock(&vport->vmid_lock);
- return -ENOMEM;
- }
-
- /* Add the vmid and register */
- lpfc_put_vmid_in_hashtable(vport, hash, vmp);
- vmp->vmid_len = len;
- memcpy(vmp->host_vmid, uuid, vmp->vmid_len);
- vmp->io_rd_cnt = 0;
- vmp->io_wr_cnt = 0;
- vmp->flag = LPFC_VMID_SLOT_USED;
-
- vmp->delete_inactive =
- vport->vmid_inactivity_timeout ? 1 : 0;
-
- /* if type priority tag, get next available VMID */
- if (vport->phba->pport->vmid_flag & LPFC_VMID_TYPE_PRIO)
- lpfc_vmid_assign_cs_ctl(vport, vmp);
-
- /* allocate the per cpu variable for holding */
- /* the last access time stamp only if VMID is enabled */
- if (!vmp->last_io_time)
- vmp->last_io_time = __alloc_percpu(sizeof(u64),
- __alignof__(struct
- lpfc_vmid));
- if (!vmp->last_io_time) {
- hash_del(&vmp->hnode);
- vmp->flag = LPFC_VMID_SLOT_FREE;
- write_unlock(&vport->vmid_lock);
- return -EIO;
- }
-
- write_unlock(&vport->vmid_lock);
-
- /* complete transaction with switch */
- if (vport->phba->pport->vmid_flag & LPFC_VMID_TYPE_PRIO)
- rc = lpfc_vmid_uvem(vport, vmp, true);
- else if (vport->phba->cfg_vmid_app_header)
- rc = lpfc_vmid_cmd(vport, SLI_CTAS_RAPP_IDENT, vmp);
- if (!rc) {
- write_lock(&vport->vmid_lock);
- vport->cur_vmid_cnt++;
- vmp->flag |= LPFC_VMID_REQ_REGISTER;
- write_unlock(&vport->vmid_lock);
- } else {
- write_lock(&vport->vmid_lock);
- hash_del(&vmp->hnode);
- vmp->flag = LPFC_VMID_SLOT_FREE;
- free_percpu(vmp->last_io_time);
- write_unlock(&vport->vmid_lock);
- return -EIO;
- }
-
- /* finally, enable the idle timer once */
- if (!(vport->phba->pport->vmid_flag & LPFC_VMID_TIMER_ENBLD)) {
- mod_timer(&vport->phba->inactive_vmid_poll,
- jiffies +
- msecs_to_jiffies(1000 * LPFC_VMID_TIMER));
- vport->phba->pport->vmid_flag |= LPFC_VMID_TIMER_ENBLD;
- }
- }
- return rc;
-}
-
-/*
* lpfc_is_command_vm_io - get the UUID from blk cgroup
* @cmd: Pointer to scsi_cmnd data structure
* Returns UUID if present, otherwise NULL
@@ -5704,9 +5448,10 @@ lpfc_queuecommand(struct Scsi_Host *shost, struct scsi_cmnd *cmnd)
uuid = lpfc_is_command_vm_io(cmnd);
if (uuid) {
- err = lpfc_vmid_get_appid(vport, uuid, cmnd,
- (union lpfc_vmid_io_tag *)
- &cur_iocbq->vmid_tag);
+ err = lpfc_vmid_get_appid(vport, uuid,
+ cmnd->sc_data_direction,
+ (union lpfc_vmid_io_tag *)
+ &cur_iocbq->vmid_tag);
if (!err)
cur_iocbq->cmd_flag |= LPFC_IO_VMID;
}
@@ -6317,6 +6062,9 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
int status;
u32 logit = LOG_FCP;
+ if (!rport)
+ return FAILED;
+
rdata = rport->dd_data;
if (!rdata || !rdata->pnode) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
@@ -6395,6 +6143,9 @@ lpfc_target_reset_handler(struct scsi_cmnd *cmnd)
unsigned long flags;
DECLARE_WAIT_QUEUE_HEAD_ONSTACK(waitq);
+ if (!rport)
+ return FAILED;
+
rdata = rport->dd_data;
if (!rdata || !rdata->pnode) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_TRACE_EVENT,
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 6ed696c4602a..80ac3a051c19 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -1930,7 +1930,7 @@ lpfc_issue_cmf_sync_wqe(struct lpfc_hba *phba, u32 ms, u64 total)
sync_buf = __lpfc_sli_get_iocbq(phba);
if (!sync_buf) {
lpfc_printf_log(phba, KERN_ERR, LOG_CGN_MGMT,
- "6213 No available WQEs for CMF_SYNC_WQE\n");
+ "6244 No available WQEs for CMF_SYNC_WQE\n");
ret_val = ENOMEM;
goto out_unlock;
}
@@ -3805,7 +3805,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
set_job_ulpword4(cmdiocbp,
IOERR_ABORT_REQUESTED);
/*
- * For SLI4, irsiocb contains
+ * For SLI4, irspiocb contains
* NO_XRI in sli_xritag, it
* shall not affect releasing
* sgl (xri) process.
@@ -3823,7 +3823,7 @@ lpfc_sli_process_sol_iocb(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
}
}
- (cmdiocbp->cmd_cmpl) (phba, cmdiocbp, saveq);
+ cmdiocbp->cmd_cmpl(phba, cmdiocbp, saveq);
} else
lpfc_sli_release_iocbq(phba, cmdiocbp);
} else {
@@ -4063,8 +4063,7 @@ lpfc_sli_handle_fast_ring_event(struct lpfc_hba *phba,
cmdiocbq->cmd_flag &= ~LPFC_DRIVER_ABORTED;
if (cmdiocbq->cmd_cmpl) {
spin_unlock_irqrestore(&phba->hbalock, iflag);
- (cmdiocbq->cmd_cmpl)(phba, cmdiocbq,
- &rspiocbq);
+ cmdiocbq->cmd_cmpl(phba, cmdiocbq, &rspiocbq);
spin_lock_irqsave(&phba->hbalock, iflag);
}
break;
@@ -10288,7 +10287,7 @@ __lpfc_sli_issue_iocb_s3(struct lpfc_hba *phba, uint32_t ring_number,
* @flag: Flag indicating if this command can be put into txq.
*
* __lpfc_sli_issue_fcp_io_s3 is wrapper function to invoke lockless func to
- * send an iocb command to an HBA with SLI-4 interface spec.
+ * send an iocb command to an HBA with SLI-3 interface spec.
*
* This function takes the hbalock before invoking the lockless version.
* The function will return success after it successfully submit the wqe to
@@ -12740,7 +12739,7 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba,
cmdiocbq->cmd_cmpl = cmdiocbq->wait_cmd_cmpl;
cmdiocbq->wait_cmd_cmpl = NULL;
if (cmdiocbq->cmd_cmpl)
- (cmdiocbq->cmd_cmpl)(phba, cmdiocbq, NULL);
+ cmdiocbq->cmd_cmpl(phba, cmdiocbq, NULL);
else
lpfc_sli_release_iocbq(phba, cmdiocbq);
return;
@@ -12754,9 +12753,9 @@ lpfc_sli_wake_iocb_wait(struct lpfc_hba *phba,
/* Set the exchange busy flag for task management commands */
if ((cmdiocbq->cmd_flag & LPFC_IO_FCP) &&
- !(cmdiocbq->cmd_flag & LPFC_IO_LIBDFC)) {
+ !(cmdiocbq->cmd_flag & LPFC_IO_LIBDFC)) {
lpfc_cmd = container_of(cmdiocbq, struct lpfc_io_buf,
- cur_iocbq);
+ cur_iocbq);
if (rspiocbq && (rspiocbq->cmd_flag & LPFC_EXCHANGE_BUSY))
lpfc_cmd->flags |= LPFC_SBUF_XBUSY;
else
@@ -13896,7 +13895,7 @@ void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba)
* @irspiocbq: Pointer to work-queue completion queue entry.
*
* This routine handles an ELS work-queue completion event and construct
- * a pseudo response ELS IODBQ from the SLI4 ELS WCQE for the common
+ * a pseudo response ELS IOCBQ from the SLI4 ELS WCQE for the common
* discovery engine to handle.
*
* Return: Pointer to the receive IOCBQ, NULL otherwise.
@@ -13940,7 +13939,7 @@ lpfc_sli4_els_preprocess_rspiocbq(struct lpfc_hba *phba,
if (bf_get(lpfc_wcqe_c_xb, wcqe)) {
spin_lock_irqsave(&phba->hbalock, iflags);
- cmdiocbq->cmd_flag |= LPFC_EXCHANGE_BUSY;
+ irspiocbq->cmd_flag |= LPFC_EXCHANGE_BUSY;
spin_unlock_irqrestore(&phba->hbalock, iflags);
}
@@ -14799,7 +14798,7 @@ lpfc_sli4_fp_handle_fcp_wcqe(struct lpfc_hba *phba, struct lpfc_queue *cq,
/* Pass the cmd_iocb and the wcqe to the upper layer */
memcpy(&cmdiocbq->wcqe_cmpl, wcqe,
sizeof(struct lpfc_wcqe_complete));
- (cmdiocbq->cmd_cmpl)(phba, cmdiocbq, cmdiocbq);
+ cmdiocbq->cmd_cmpl(phba, cmdiocbq, cmdiocbq);
} else {
lpfc_printf_log(phba, KERN_WARNING, LOG_SLI,
"0375 FCP cmdiocb not callback function "
@@ -18956,7 +18955,7 @@ lpfc_sli4_send_seq_to_ulp(struct lpfc_vport *vport,
/* Free iocb created in lpfc_prep_seq */
list_for_each_entry_safe(curr_iocb, next_iocb,
- &iocbq->list, list) {
+ &iocbq->list, list) {
list_del_init(&curr_iocb->list);
lpfc_sli_release_iocbq(phba, curr_iocb);
}
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 4fab79ed58ed..2ab6f7db64d8 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -20,7 +20,7 @@
* included with this package. *
*******************************************************************/
-#define LPFC_DRIVER_VERSION "14.2.0.3"
+#define LPFC_DRIVER_VERSION "14.2.0.4"
#define LPFC_DRIVER_NAME "lpfc"
/* Used for SLI 2/3 */
diff --git a/drivers/scsi/lpfc/lpfc_vmid.c b/drivers/scsi/lpfc/lpfc_vmid.c
new file mode 100644
index 000000000000..f64ced04b912
--- /dev/null
+++ b/drivers/scsi/lpfc/lpfc_vmid.c
@@ -0,0 +1,288 @@
+/*******************************************************************
+ * This file is part of the Emulex Linux Device Driver for *
+ * Fibre Channel Host Bus Adapters. *
+ * Copyright (C) 2017-2022 Broadcom. All Rights Reserved. The term *
+ * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
+ * Copyright (C) 2004-2016 Emulex. All rights reserved. *
+ * EMULEX and SLI are trademarks of Emulex. *
+ * www.broadcom.com *
+ * Portions Copyright (C) 2004-2005 Christoph Hellwig *
+ * *
+ * This program is free software; you can redistribute it and/or *
+ * modify it under the terms of version 2 of the GNU General *
+ * Public License as published by the Free Software Foundation. *
+ * This program is distributed in the hope that it will be useful. *
+ * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
+ * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
+ * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
+ * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
+ * TO BE LEGALLY INVALID. See the GNU General Public License for *
+ * more details, a copy of which can be found in the file COPYING *
+ * included with this package. *
+ *******************************************************************/
+
+#include <linux/interrupt.h>
+#include <linux/dma-direction.h>
+
+#include <scsi/scsi_transport_fc.h>
+
+#include "lpfc_hw4.h"
+#include "lpfc_hw.h"
+#include "lpfc_sli.h"
+#include "lpfc_sli4.h"
+#include "lpfc_nl.h"
+#include "lpfc_disc.h"
+#include "lpfc.h"
+#include "lpfc_crtn.h"
+
+
+/*
+ * lpfc_get_vmid_from_hashtable - search the UUID in the hash table
+ * @vport: The virtual port for which this call is being executed.
+ * @hash: calculated hash value
+ * @buf: uuid associated with the VE
+ * Return the VMID entry associated with the UUID
+ * Make sure to acquire the appropriate lock before invoking this routine.
+ */
+struct lpfc_vmid *lpfc_get_vmid_from_hashtable(struct lpfc_vport *vport,
+ u32 hash, u8 *buf)
+{
+ struct lpfc_vmid *vmp;
+
+ hash_for_each_possible(vport->hash_table, vmp, hnode, hash) {
+ if (memcmp(&vmp->host_vmid[0], buf, 16) == 0)
+ return vmp;
+ }
+ return NULL;
+}
+
+/*
+ * lpfc_put_vmid_in_hashtable - put the VMID in the hash table
+ * @vport: The virtual port for which this call is being executed.
+ * @hash - calculated hash value
+ * @vmp: Pointer to a VMID entry representing a VM sending I/O
+ *
+ * This routine will insert the newly acquired VMID entity in the hash table.
+ * Make sure to acquire the appropriate lock before invoking this routine.
+ */
+static void
+lpfc_put_vmid_in_hashtable(struct lpfc_vport *vport, u32 hash,
+ struct lpfc_vmid *vmp)
+{
+ hash_add(vport->hash_table, &vmp->hnode, hash);
+}
+
+/*
+ * lpfc_vmid_hash_fn - create a hash value of the UUID
+ * @vmid: uuid associated with the VE
+ * @len: length of the VMID string
+ * Returns the calculated hash value
+ */
+int lpfc_vmid_hash_fn(const char *vmid, int len)
+{
+ int c;
+ int hash = 0;
+
+ if (len == 0)
+ return 0;
+ while (len--) {
+ c = *vmid++;
+ if (c >= 'A' && c <= 'Z')
+ c += 'a' - 'A';
+
+ hash = (hash + (c << LPFC_VMID_HASH_SHIFT) +
+ (c >> LPFC_VMID_HASH_SHIFT)) * 19;
+ }
+
+ return hash & LPFC_VMID_HASH_MASK;
+}
+
+/*
+ * lpfc_vmid_update_entry - update the vmid entry in the hash table
+ * @vport: The virtual port for which this call is being executed.
+ * @iodir: io direction
+ * @vmp: Pointer to a VMID entry representing a VM sending I/O
+ * @tag: VMID tag
+ */
+static void lpfc_vmid_update_entry(struct lpfc_vport *vport,
+ enum dma_data_direction iodir,
+ struct lpfc_vmid *vmp,
+ union lpfc_vmid_io_tag *tag)
+{
+ u64 *lta;
+
+ if (vport->phba->pport->vmid_flag & LPFC_VMID_TYPE_PRIO)
+ tag->cs_ctl_vmid = vmp->un.cs_ctl_vmid;
+ else if (vport->phba->cfg_vmid_app_header)
+ tag->app_id = vmp->un.app_id;
+
+ if (iodir == DMA_TO_DEVICE)
+ vmp->io_wr_cnt++;
+ else if (iodir == DMA_FROM_DEVICE)
+ vmp->io_rd_cnt++;
+
+ /* update the last access timestamp in the table */
+ lta = per_cpu_ptr(vmp->last_io_time, raw_smp_processor_id());
+ *lta = jiffies;
+}
+
+static void lpfc_vmid_assign_cs_ctl(struct lpfc_vport *vport,
+ struct lpfc_vmid *vmid)
+{
+ u32 hash;
+ struct lpfc_vmid *pvmid;
+
+ if (vport->port_type == LPFC_PHYSICAL_PORT) {
+ vmid->un.cs_ctl_vmid = lpfc_vmid_get_cs_ctl(vport);
+ } else {
+ hash = lpfc_vmid_hash_fn(vmid->host_vmid, vmid->vmid_len);
+ pvmid =
+ lpfc_get_vmid_from_hashtable(vport->phba->pport, hash,
+ vmid->host_vmid);
+ if (pvmid)
+ vmid->un.cs_ctl_vmid = pvmid->un.cs_ctl_vmid;
+ else
+ vmid->un.cs_ctl_vmid = lpfc_vmid_get_cs_ctl(vport);
+ }
+}
+
+/*
+ * lpfc_vmid_get_appid - get the VMID associated with the UUID
+ * @vport: The virtual port for which this call is being executed.
+ * @uuid: UUID associated with the VE
+ * @cmd: address of scsi_cmd descriptor
+ * @iodir: io direction
+ * @tag: VMID tag
+ * Returns status of the function
+ */
+int lpfc_vmid_get_appid(struct lpfc_vport *vport, char *uuid,
+ enum dma_data_direction iodir,
+ union lpfc_vmid_io_tag *tag)
+{
+ struct lpfc_vmid *vmp = NULL;
+ int hash, len, rc = -EPERM, i;
+
+ /* check if QFPA is complete */
+ if (lpfc_vmid_is_type_priority_tag(vport) &&
+ !(vport->vmid_flag & LPFC_VMID_QFPA_CMPL) &&
+ (vport->vmid_flag & LPFC_VMID_ISSUE_QFPA)) {
+ vport->work_port_events |= WORKER_CHECK_VMID_ISSUE_QFPA;
+ return -EAGAIN;
+ }
+
+ /* search if the UUID has already been mapped to the VMID */
+ len = strlen(uuid);
+ hash = lpfc_vmid_hash_fn(uuid, len);
+
+ /* search for the VMID in the table */
+ read_lock(&vport->vmid_lock);
+ vmp = lpfc_get_vmid_from_hashtable(vport, hash, uuid);
+
+ /* if found, check if its already registered */
+ if (vmp && vmp->flag & LPFC_VMID_REGISTERED) {
+ read_unlock(&vport->vmid_lock);
+ lpfc_vmid_update_entry(vport, iodir, vmp, tag);
+ rc = 0;
+ } else if (vmp && (vmp->flag & LPFC_VMID_REQ_REGISTER ||
+ vmp->flag & LPFC_VMID_DE_REGISTER)) {
+ /* else if register or dereg request has already been sent */
+ /* Hence VMID tag will not be added for this I/O */
+ read_unlock(&vport->vmid_lock);
+ rc = -EBUSY;
+ } else {
+ /* The VMID was not found in the hashtable. At this point, */
+ /* drop the read lock first before proceeding further */
+ read_unlock(&vport->vmid_lock);
+ /* start the process to obtain one as per the */
+ /* type of the VMID indicated */
+ write_lock(&vport->vmid_lock);
+ vmp = lpfc_get_vmid_from_hashtable(vport, hash, uuid);
+
+ /* while the read lock was released, in case the entry was */
+ /* added by other context or is in process of being added */
+ if (vmp && vmp->flag & LPFC_VMID_REGISTERED) {
+ lpfc_vmid_update_entry(vport, iodir, vmp, tag);
+ write_unlock(&vport->vmid_lock);
+ return 0;
+ } else if (vmp && vmp->flag & LPFC_VMID_REQ_REGISTER) {
+ write_unlock(&vport->vmid_lock);
+ return -EBUSY;
+ }
+
+ /* else search and allocate a free slot in the hash table */
+ if (vport->cur_vmid_cnt < vport->max_vmid) {
+ for (i = 0; i < vport->max_vmid; i++) {
+ vmp = vport->vmid + i;
+ if (vmp->flag == LPFC_VMID_SLOT_FREE)
+ break;
+ }
+ if (i == vport->max_vmid)
+ vmp = NULL;
+ } else {
+ vmp = NULL;
+ }
+
+ if (!vmp) {
+ write_unlock(&vport->vmid_lock);
+ return -ENOMEM;
+ }
+
+ /* Add the vmid and register */
+ lpfc_put_vmid_in_hashtable(vport, hash, vmp);
+ vmp->vmid_len = len;
+ memcpy(vmp->host_vmid, uuid, vmp->vmid_len);
+ vmp->io_rd_cnt = 0;
+ vmp->io_wr_cnt = 0;
+ vmp->flag = LPFC_VMID_SLOT_USED;
+
+ vmp->delete_inactive =
+ vport->vmid_inactivity_timeout ? 1 : 0;
+
+ /* if type priority tag, get next available VMID */
+ if (vport->phba->pport->vmid_flag & LPFC_VMID_TYPE_PRIO)
+ lpfc_vmid_assign_cs_ctl(vport, vmp);
+
+ /* allocate the per cpu variable for holding */
+ /* the last access time stamp only if VMID is enabled */
+ if (!vmp->last_io_time)
+ vmp->last_io_time = __alloc_percpu(sizeof(u64),
+ __alignof__(struct
+ lpfc_vmid));
+ if (!vmp->last_io_time) {
+ hash_del(&vmp->hnode);
+ vmp->flag = LPFC_VMID_SLOT_FREE;
+ write_unlock(&vport->vmid_lock);
+ return -EIO;
+ }
+
+ write_unlock(&vport->vmid_lock);
+
+ /* complete transaction with switch */
+ if (vport->phba->pport->vmid_flag & LPFC_VMID_TYPE_PRIO)
+ rc = lpfc_vmid_uvem(vport, vmp, true);
+ else if (vport->phba->cfg_vmid_app_header)
+ rc = lpfc_vmid_cmd(vport, SLI_CTAS_RAPP_IDENT, vmp);
+ if (!rc) {
+ write_lock(&vport->vmid_lock);
+ vport->cur_vmid_cnt++;
+ vmp->flag |= LPFC_VMID_REQ_REGISTER;
+ write_unlock(&vport->vmid_lock);
+ } else {
+ write_lock(&vport->vmid_lock);
+ hash_del(&vmp->hnode);
+ vmp->flag = LPFC_VMID_SLOT_FREE;
+ free_percpu(vmp->last_io_time);
+ write_unlock(&vport->vmid_lock);
+ return -EIO;
+ }
+
+ /* finally, enable the idle timer once */
+ if (!(vport->phba->pport->vmid_flag & LPFC_VMID_TIMER_ENBLD)) {
+ mod_timer(&vport->phba->inactive_vmid_poll,
+ jiffies +
+ msecs_to_jiffies(1000 * LPFC_VMID_TIMER));
+ vport->phba->pport->vmid_flag |= LPFC_VMID_TIMER_ENBLD;
+ }
+ }
+ return rc;
+}
generated by cgit (git 2.34.1) at 2024-06-08 23:27:10 +0000