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scsi: lpfc: NVME Initiator: Merge into FC discovery 

NVME Initiator: Merge into FC discovery

Adds NVME PRLI support and Nameserver registrations and Queries for NVME

Signed-off-by: Dick Kennedy <dick.kennedy@broadcom.com>
Signed-off-by: James Smart <james.smart@broadcom.com>
Reviewed-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart 2017-02-12 13:52:31 -08:00 committed by Martin K. Petersen
parent 895427bd01
commit a0f2d3ef37
10 changed files with 850 additions and 278 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/scsi/lpfc/lpfc.h
View File

@ -123,6 +123,8 @@ struct perf_prof {
uint16_t wqidx[40];
};
#define LPFC_FC4_TYPE_BITMASK 0x00000100
/* Provide DMA memory definitions the driver uses per port instance. */
struct lpfc_dmabuf {
struct list_head list;
@ -390,7 +392,8 @@ struct lpfc_vport {
int32_t stopped; /* HBA has not been restarted since last ERATT */
uint8_t fc_linkspeed; /* Link speed after last READ_LA */
uint32_t num_disc_nodes; /*in addition to hba_state */
uint32_t num_disc_nodes; /* in addition to hba_state */
uint32_t gidft_inp; /* cnt of outstanding GID_FTs */
uint32_t fc_nlp_cnt; /* outstanding NODELIST requests */
uint32_t fc_rscn_id_cnt; /* count of RSCNs payloads in list */
@ -443,7 +446,6 @@ struct lpfc_vport {
uint32_t cfg_max_scsicmpl_time;
uint32_t cfg_tgt_queue_depth;
uint32_t cfg_first_burst_size;
uint32_t dev_loss_tmo_changed;
struct fc_vport *fc_vport;

359
drivers/scsi/lpfc/lpfc_ct.c
View File

@ -40,8 +40,9 @@
#include "lpfc_sli4.h"
#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
#include "lpfc_scsi.h"
#include "lpfc_nvme.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
#include "lpfc_version.h"
@ -453,8 +454,73 @@ lpfc_find_vport_by_did(struct lpfc_hba *phba, uint32_t did) {
return NULL;
}
static void
lpfc_prep_node_fc4type(struct lpfc_vport *vport, uint32_t Did, uint8_t fc4_type)
{
struct lpfc_nodelist *ndlp;
if ((vport->port_type != LPFC_NPIV_PORT) ||
!(vport->ct_flags & FC_CT_RFF_ID) || !vport->cfg_restrict_login) {
ndlp = lpfc_setup_disc_node(vport, Did);
if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
/* By default, the driver expects to support FCP FC4 */
if (fc4_type == FC_TYPE_FCP)
ndlp->nlp_fc4_type |= NLP_FC4_FCP;
if (fc4_type == FC_TYPE_NVME)
ndlp->nlp_fc4_type |= NLP_FC4_NVME;
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0238 Process x%06x NameServer Rsp "
"Data: x%x x%x x%x x%x\n", Did,
ndlp->nlp_flag, ndlp->nlp_fc4_type,
vport->fc_flag,
vport->fc_rscn_id_cnt);
} else
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0239 Skip x%06x NameServer Rsp "
"Data: x%x x%x\n", Did,
vport->fc_flag,
vport->fc_rscn_id_cnt);
} else {
if (!(vport->fc_flag & FC_RSCN_MODE) ||
lpfc_rscn_payload_check(vport, Did)) {
/*
* This NPortID was previously a FCP target,
* Don't even bother to send GFF_ID.
*/
ndlp = lpfc_findnode_did(vport, Did);
if (ndlp && NLP_CHK_NODE_ACT(ndlp))
ndlp->nlp_fc4_type = fc4_type;
if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
ndlp->nlp_fc4_type = fc4_type;
if (ndlp->nlp_type & NLP_FCP_TARGET)
lpfc_setup_disc_node(vport, Did);
else if (lpfc_ns_cmd(vport, SLI_CTNS_GFF_ID,
0, Did) == 0)
vport->num_disc_nodes++;
else
lpfc_setup_disc_node(vport, Did);
}
} else
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0245 Skip x%06x NameServer Rsp "
"Data: x%x x%x\n", Did,
vport->fc_flag,
vport->fc_rscn_id_cnt);
}
}
static int
lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint8_t fc4_type,
uint32_t Size)
{
struct lpfc_hba *phba = vport->phba;
struct lpfc_sli_ct_request *Response =
@ -499,97 +565,12 @@ lpfc_ns_rsp(struct lpfc_vport *vport, struct lpfc_dmabuf *mp, uint32_t Size)
*/
if ((Did != vport->fc_myDID) &&
((lpfc_find_vport_by_did(phba, Did) == NULL) ||
vport->cfg_peer_port_login)) {
if ((vport->port_type != LPFC_NPIV_PORT) ||
(!(vport->ct_flags & FC_CT_RFF_ID)) ||
(!vport->cfg_restrict_login)) {
ndlp = lpfc_setup_disc_node(vport, Did);
if (ndlp && NLP_CHK_NODE_ACT(ndlp)) {
lpfc_debugfs_disc_trc(vport,
LPFC_DISC_TRC_CT,
"Parse GID_FTrsp: "
"did:x%x flg:x%x x%x",
Did, ndlp->nlp_flag,
vport->fc_flag);
vport->cfg_peer_port_login))
lpfc_prep_node_fc4type(vport, Did, fc4_type);
lpfc_printf_vlog(vport,
KERN_INFO,
LOG_DISCOVERY,
"0238 Process "
"x%x NameServer Rsp"
"Data: x%x x%x x%x\n",
Did, ndlp->nlp_flag,
vport->fc_flag,
vport->fc_rscn_id_cnt);
} else {
lpfc_debugfs_disc_trc(vport,
LPFC_DISC_TRC_CT,
"Skip1 GID_FTrsp: "
"did:x%x flg:x%x cnt:%d",
Did, vport->fc_flag,
vport->fc_rscn_id_cnt);
lpfc_printf_vlog(vport,
KERN_INFO,
LOG_DISCOVERY,
"0239 Skip x%x "
"NameServer Rsp Data: "
"x%x x%x\n",
Did, vport->fc_flag,
vport->fc_rscn_id_cnt);
}
} else {
if (!(vport->fc_flag & FC_RSCN_MODE) ||
(lpfc_rscn_payload_check(vport, Did))) {
lpfc_debugfs_disc_trc(vport,
LPFC_DISC_TRC_CT,
"Query GID_FTrsp: "
"did:x%x flg:x%x cnt:%d",
Did, vport->fc_flag,
vport->fc_rscn_id_cnt);
/* This NPortID was previously
* a FCP target, * Don't even
* bother to send GFF_ID.
*/
ndlp = lpfc_findnode_did(vport,
Did);
if (ndlp &&
NLP_CHK_NODE_ACT(ndlp)
&& (ndlp->nlp_type &
NLP_FCP_TARGET))
lpfc_setup_disc_node
(vport, Did);
else if (lpfc_ns_cmd(vport,
SLI_CTNS_GFF_ID,
0, Did) == 0)
vport->num_disc_nodes++;
else
lpfc_setup_disc_node
(vport, Did);
}
else {
lpfc_debugfs_disc_trc(vport,
LPFC_DISC_TRC_CT,
"Skip2 GID_FTrsp: "
"did:x%x flg:x%x cnt:%d",
Did, vport->fc_flag,
vport->fc_rscn_id_cnt);
lpfc_printf_vlog(vport,
KERN_INFO,
LOG_DISCOVERY,
"0245 Skip x%x "
"NameServer Rsp Data: "
"x%x x%x\n",
Did, vport->fc_flag,
vport->fc_rscn_id_cnt);
}
}
}
if (CTentry & (cpu_to_be32(SLI_CT_LAST_ENTRY)))
goto nsout1;
Cnt -= sizeof(uint32_t);
}
ctptr = NULL;
@ -609,16 +590,18 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
IOCB_t *irsp;
struct lpfc_dmabuf *outp;
struct lpfc_dmabuf *inp;
struct lpfc_sli_ct_request *CTrsp;
struct lpfc_sli_ct_request *CTreq;
struct lpfc_nodelist *ndlp;
int rc;
int rc, type;
/* First save ndlp, before we overwrite it */
ndlp = cmdiocb->context_un.ndlp;
/* we pass cmdiocb to state machine which needs rspiocb as well */
cmdiocb->context_un.rsp_iocb = rspiocb;
inp = (struct lpfc_dmabuf *) cmdiocb->context1;
outp = (struct lpfc_dmabuf *) cmdiocb->context2;
irsp = &rspiocb->iocb;
@ -656,9 +639,14 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
IOERR_NO_RESOURCES)
vport->fc_ns_retry++;
type = lpfc_get_gidft_type(vport, cmdiocb);
if (type == 0)
goto out;
/* CT command is being retried */
vport->gidft_inp--;
rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
vport->fc_ns_retry, 0);
vport->fc_ns_retry, type);
if (rc == 0)
goto out;
}
@ -670,13 +658,18 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
irsp->ulpStatus, vport->fc_ns_retry);
} else {
/* Good status, continue checking */
CTreq = (struct lpfc_sli_ct_request *) inp->virt;
CTrsp = (struct lpfc_sli_ct_request *) outp->virt;
if (CTrsp->CommandResponse.bits.CmdRsp ==
cpu_to_be16(SLI_CT_RESPONSE_FS_ACC)) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"0208 NameServer Rsp Data: x%x\n",
vport->fc_flag);
lpfc_ns_rsp(vport, outp,
"0208 NameServer Rsp Data: x%x x%x\n",
vport->fc_flag,
CTreq->un.gid.Fc4Type);
lpfc_ns_rsp(vport,
outp,
CTreq->un.gid.Fc4Type,
(uint32_t) (irsp->un.genreq64.bdl.bdeSize));
} else if (CTrsp->CommandResponse.bits.CmdRsp ==
be16_to_cpu(SLI_CT_RESPONSE_FS_RJT)) {
@ -731,9 +724,11 @@ lpfc_cmpl_ct_cmd_gid_ft(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
(uint32_t) CTrsp->ReasonCode,
(uint32_t) CTrsp->Explanation);
}
vport->gidft_inp--;
}
/* Link up / RSCN discovery */
if (vport->num_disc_nodes == 0) {
if ((vport->num_disc_nodes == 0) &&
(vport->gidft_inp == 0)) {
/*
* The driver has cycled through all Nports in the RSCN payload.
* Complete the handling by cleaning up and marking the
@ -881,6 +876,56 @@ out:
return;
}
static void
lpfc_cmpl_ct_cmd_gft_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
struct lpfc_iocbq *rspiocb)
{
struct lpfc_vport *vport = cmdiocb->vport;
IOCB_t *irsp = &rspiocb->iocb;
struct lpfc_dmabuf *inp = (struct lpfc_dmabuf *)cmdiocb->context1;
struct lpfc_dmabuf *outp = (struct lpfc_dmabuf *)cmdiocb->context2;
struct lpfc_sli_ct_request *CTrsp;
int did;
struct lpfc_nodelist *ndlp;
uint32_t fc4_data_0, fc4_data_1;
did = ((struct lpfc_sli_ct_request *)inp->virt)->un.gft.PortId;
did = be32_to_cpu(did);
if (irsp->ulpStatus == IOSTAT_SUCCESS) {
/* Good status, continue checking */
CTrsp = (struct lpfc_sli_ct_request *)outp->virt;
fc4_data_0 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[0]);
fc4_data_1 = be32_to_cpu(CTrsp->un.gft_acc.fc4_types[1]);
lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
"3062 DID x%06x GFT Wd0 x%08x Wd1 x%08x\n",
did, fc4_data_0, fc4_data_1);
ndlp = lpfc_findnode_did(vport, did);
if (ndlp) {
/* The bitmask value for FCP and NVME FCP types is
* the same because they are 32 bits distant from
* each other in word0 and word0.
*/
if (fc4_data_0 & LPFC_FC4_TYPE_BITMASK)
ndlp->nlp_fc4_type |= NLP_FC4_FCP;
if (fc4_data_1 & LPFC_FC4_TYPE_BITMASK)
ndlp->nlp_fc4_type |= NLP_FC4_NVME;
lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
"3064 Setting ndlp %p, DID x%06x with "
"FC4 x%08x, Data: x%08x x%08x\n",
ndlp, did, ndlp->nlp_fc4_type,
FC_TYPE_FCP, FC_TYPE_NVME);
}
ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
lpfc_issue_els_prli(vport, ndlp, 0);
} else
lpfc_printf_vlog(vport, KERN_ERR, LOG_DISCOVERY,
"3065 GFT_ID failed x%08x\n", irsp->ulpStatus);
lpfc_ct_free_iocb(phba, cmdiocb);
}
static void
lpfc_cmpl_ct(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
@ -1071,31 +1116,27 @@ lpfc_cmpl_ct_cmd_rff_id(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
return;
}
/*
* Although the symbolic port name is thought to be an integer
* as of January 18, 2016, leave it as a string until more of
* the record state becomes defined.
*/
int
lpfc_vport_symbolic_port_name(struct lpfc_vport *vport, char *symbol,
size_t size)
{
int n;
uint8_t *wwn = vport->phba->wwpn;
n = snprintf(symbol, size,
"Emulex PPN-%02x:%02x:%02x:%02x:%02x:%02x:%02x:%02x",
wwn[0], wwn[1], wwn[2], wwn[3],
wwn[4], wwn[5], wwn[6], wwn[7]);
if (vport->port_type == LPFC_PHYSICAL_PORT)
return n;
if (n < size)
n += snprintf(symbol + n, size - n, " VPort-%d", vport->vpi);
if (n < size &&
strlen(vport->fc_vport->symbolic_name))
n += snprintf(symbol + n, size - n, " VName-%s",
vport->fc_vport->symbolic_name);
/*
* Use the lpfc board number as the Symbolic Port
* Name object. NPIV is not in play so this integer
* value is sufficient and unique per FC-ID.
*/
n = snprintf(symbol, size, "%d", vport->phba->brd_no);
return n;
}
int
lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
size_t size)
@ -1106,24 +1147,26 @@ lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol,
lpfc_decode_firmware_rev(vport->phba, fwrev, 0);
n = snprintf(symbol, size, "Emulex %s", vport->phba->ModelName);
if (size < n)
return n;
n += snprintf(symbol + n, size - n, " FV%s", fwrev);
if (size < n)
return n;
n += snprintf(symbol + n, size - n, " DV%s", lpfc_release_version);
n += snprintf(symbol + n, size - n, " DV%s.",
lpfc_release_version);
if (size < n)
return n;
n += snprintf(symbol + n, size - n, " HN:%s.",
init_utsname()->nodename);
if (size < n)
return n;
n += snprintf(symbol + n, size - n, " HN:%s", init_utsname()->nodename);
/* Note :- OS name is "Linux" */
if (size < n)
return n;
n += snprintf(symbol + n, size - n, " OS:%s", init_utsname()->sysname);
n += snprintf(symbol + n, size - n, " OS:%s\n",
init_utsname()->sysname);
return n;
}
@ -1147,6 +1190,27 @@ lpfc_find_map_node(struct lpfc_vport *vport)
return cnt;
}
/*
* This routine will return the FC4 Type associated with the CT
* GID_FT command.
*/
int
lpfc_get_gidft_type(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb)
{
struct lpfc_sli_ct_request *CtReq;
struct lpfc_dmabuf *mp;
uint32_t type;
mp = cmdiocb->context1;
if (mp == NULL)
return 0;
CtReq = (struct lpfc_sli_ct_request *)mp->virt;
type = (uint32_t)CtReq->un.gid.Fc4Type;
if ((type != SLI_CTPT_FCP) && (type != SLI_CTPT_NVME))
return 0;
return type;
}
/*
* lpfc_ns_cmd
* Description:
@ -1207,8 +1271,9 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
/* NameServer Req */
lpfc_printf_vlog(vport, KERN_INFO ,LOG_DISCOVERY,
"0236 NameServer Req Data: x%x x%x x%x\n",
cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt);
"0236 NameServer Req Data: x%x x%x x%x x%x\n",
cmdcode, vport->fc_flag, vport->fc_rscn_id_cnt,
context);
bpl = (struct ulp_bde64 *) bmp->virt;
memset(bpl, 0, sizeof(struct ulp_bde64));
@ -1219,6 +1284,8 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
bpl->tus.f.bdeSize = GID_REQUEST_SZ;
else if (cmdcode == SLI_CTNS_GFF_ID)
bpl->tus.f.bdeSize = GFF_REQUEST_SZ;
else if (cmdcode == SLI_CTNS_GFT_ID)
bpl->tus.f.bdeSize = GFT_REQUEST_SZ;
else if (cmdcode == SLI_CTNS_RFT_ID)
bpl->tus.f.bdeSize = RFT_REQUEST_SZ;
else if (cmdcode == SLI_CTNS_RNN_ID)
@ -1246,7 +1313,8 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
case SLI_CTNS_GID_FT:
CtReq->CommandResponse.bits.CmdRsp =
cpu_to_be16(SLI_CTNS_GID_FT);
CtReq->un.gid.Fc4Type = SLI_CTPT_FCP;
CtReq->un.gid.Fc4Type = context;
if (vport->port_state < LPFC_NS_QRY)
vport->port_state = LPFC_NS_QRY;
lpfc_set_disctmo(vport);
@ -1261,12 +1329,32 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
cmpl = lpfc_cmpl_ct_cmd_gff_id;
break;
case SLI_CTNS_GFT_ID:
CtReq->CommandResponse.bits.CmdRsp =
cpu_to_be16(SLI_CTNS_GFT_ID);
CtReq->un.gft.PortId = cpu_to_be32(context);
cmpl = lpfc_cmpl_ct_cmd_gft_id;
break;
case SLI_CTNS_RFT_ID:
vport->ct_flags &= ~FC_CT_RFT_ID;
CtReq->CommandResponse.bits.CmdRsp =
cpu_to_be16(SLI_CTNS_RFT_ID);
CtReq->un.rft.PortId = cpu_to_be32(vport->fc_myDID);
CtReq->un.rft.fcpReg = 1;
/* Register FC4 FCP type if enabled. */
if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
(phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP))
CtReq->un.rft.fcpReg = 1;
/* Register NVME type if enabled. Defined LE and swapped.
* rsvd[0] is used as word1 because of the hard-coded
* word0 usage in the ct_request data structure.
*/
if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
(phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME))
CtReq->un.rft.rsvd[0] = cpu_to_be32(0x00000100);
cmpl = lpfc_cmpl_ct_cmd_rft_id;
break;
@ -1316,7 +1404,25 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
cpu_to_be16(SLI_CTNS_RFF_ID);
CtReq->un.rff.PortId = cpu_to_be32(vport->fc_myDID);
CtReq->un.rff.fbits = FC4_FEATURE_INIT;
CtReq->un.rff.type_code = FC_TYPE_FCP;
/* The driver always supports FC_TYPE_FCP. However, the
* caller can specify NVME (type x28) as well. But only
* these that FC4 type is supported.
*/
if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
(phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
(context == FC_TYPE_NVME)) {
/* todo: init: revise localport nvme attributes */
CtReq->un.rff.type_code = context;
} else if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
(phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) &&
(context == FC_TYPE_FCP))
CtReq->un.rff.type_code = context;
else
goto ns_cmd_free_bmpvirt;
cmpl = lpfc_cmpl_ct_cmd_rff_id;
break;
}
@ -1337,6 +1443,7 @@ lpfc_ns_cmd(struct lpfc_vport *vport, int cmdcode,
*/
lpfc_nlp_put(ndlp);
ns_cmd_free_bmpvirt:
lpfc_mbuf_free(phba, bmp->virt, bmp->phys);
ns_cmd_free_bmp:
kfree(bmp);

19
drivers/scsi/lpfc/lpfc_disc.h
View File

@ -86,6 +86,17 @@ struct lpfc_nodelist {
#define NLP_FABRIC 0x4 /* entry rep a Fabric entity */
#define NLP_FCP_TARGET 0x8 /* entry is an FCP target */
#define NLP_FCP_INITIATOR 0x10 /* entry is an FCP Initiator */
#define NLP_NVME_TARGET 0x20 /* entry is a NVME Target */
#define NLP_NVME_INITIATOR 0x40 /* entry is a NVME Initiator */
uint16_t nlp_fc4_type; /* FC types node supports. */
/* Assigned from GID_FF, only
* FCP (0x8) and NVME (0x28)
* supported.
*/
#define NLP_FC4_NONE 0x0
#define NLP_FC4_FCP 0x1 /* FC4 Type FCP (value x8)) */
#define NLP_FC4_NVME 0x2 /* FC4 TYPE NVME (value x28) */
uint16_t nlp_rpi;
uint16_t nlp_state; /* state transition indicator */
@ -107,8 +118,8 @@ struct lpfc_nodelist {
struct timer_list nlp_delayfunc; /* Used for delayed ELS cmds */
struct lpfc_hba *phba;
struct fc_rport *rport; /* Corresponding FC transport
port structure */
struct fc_rport *rport; /* scsi_transport_fc port structure */
struct lpfc_nvme_rport *nrport; /* nvme transport rport struct. */
struct lpfc_vport *vport;
struct lpfc_work_evt els_retry_evt;
struct lpfc_work_evt dev_loss_evt;
@ -118,6 +129,10 @@ struct lpfc_nodelist {
unsigned long last_change_time;
unsigned long *active_rrqs_xri_bitmap;
struct lpfc_scsicmd_bkt *lat_data; /* Latency data */
uint32_t fc4_prli_sent;
uint32_t upcall_flags;
uint32_t nvme_fb_size; /* NVME target's supported byte cnt */
#define NVME_FB_BIT_SHIFT 9 /* PRLI Rsp first burst in 512B units. */
};
struct lpfc_node_rrq {
struct list_head list;

276
drivers/scsi/lpfc/lpfc_els.c
View File

@ -29,7 +29,6 @@
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_fc.h>
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
#include "lpfc_sli.h"
@ -1513,7 +1512,7 @@ static struct lpfc_nodelist *
lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp,
struct lpfc_nodelist *ndlp)
{
struct lpfc_vport *vport = ndlp->vport;
struct lpfc_vport *vport = ndlp->vport;
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct lpfc_nodelist *new_ndlp;
struct lpfc_rport_data *rdata;
@ -1868,10 +1867,12 @@ lpfc_cmpl_els_plogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
/* PLOGI completes to NPort <nlp_DID> */
lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
"0102 PLOGI completes to NPort x%x "
"0102 PLOGI completes to NPort x%06x "
"Data: x%x x%x x%x x%x x%x\n",
ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4],
irsp->ulpTimeout, disc, vport->num_disc_nodes);
ndlp->nlp_DID, ndlp->nlp_fc4_type,
irsp->ulpStatus, irsp->un.ulpWord[4],
disc, vport->num_disc_nodes);
/* Check to see if link went down during discovery */
if (lpfc_els_chk_latt(vport)) {
spin_lock_irq(shost->host_lock);
@ -2000,7 +2001,6 @@ lpfc_issue_els_plogi(struct lpfc_vport *vport, uint32_t did, uint8_t retry)
sp->cmn.fcphHigh = FC_PH3;
sp->cmn.valid_vendor_ver_level = 0;
memset(sp->vendorVersion, 0, sizeof(sp->vendorVersion));
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
"Issue PLOGI: did:x%x",
@ -2052,14 +2052,17 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
"PRLI cmpl: status:x%x/x%x did:x%x",
irsp->ulpStatus, irsp->un.ulpWord[4],
ndlp->nlp_DID);
/* Ddriver supports multiple FC4 types. Counters matter. */
vport->fc_prli_sent--;
/* PRLI completes to NPort <nlp_DID> */
lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
"0103 PRLI completes to NPort x%x "
"0103 PRLI completes to NPort x%06x "
"Data: x%x x%x x%x x%x\n",
ndlp->nlp_DID, irsp->ulpStatus, irsp->un.ulpWord[4],
irsp->ulpTimeout, vport->num_disc_nodes);
vport->num_disc_nodes, ndlp->fc4_prli_sent);
vport->fc_prli_sent--;
/* Check to see if link went down during discovery */
if (lpfc_els_chk_latt(vport))
goto out;
@ -2068,6 +2071,7 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
/* Check for retry */
if (lpfc_els_retry(phba, cmdiocb, rspiocb)) {
/* ELS command is being retried */
ndlp->fc4_prli_sent--;
goto out;
}
/* PRLI failed */
@ -2082,9 +2086,14 @@ lpfc_cmpl_els_prli(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
NLP_EVT_CMPL_PRLI);
} else
/* Good status, call state machine */
/* Good status, call state machine. However, if another
* PRLI is outstanding, don't call the state machine
* because final disposition to Mapped or Unmapped is
* completed there.
*/
lpfc_disc_state_machine(vport, ndlp, cmdiocb,
NLP_EVT_CMPL_PRLI);
out:
lpfc_els_free_iocb(phba, cmdiocb);
return;
@ -2118,42 +2127,94 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct lpfc_hba *phba = vport->phba;
PRLI *npr;
struct lpfc_nvme_prli *npr_nvme;
struct lpfc_iocbq *elsiocb;
uint8_t *pcmd;
uint16_t cmdsize;
u32 local_nlp_type, elscmd;
cmdsize = (sizeof(uint32_t) + sizeof(PRLI));
local_nlp_type = ndlp->nlp_fc4_type;
send_next_prli:
if (local_nlp_type & NLP_FC4_FCP) {
/* Payload is 4 + 16 = 20 x14 bytes. */
cmdsize = (sizeof(uint32_t) + sizeof(PRLI));
elscmd = ELS_CMD_PRLI;
} else if (local_nlp_type & NLP_FC4_NVME) {
/* Payload is 4 + 20 = 24 x18 bytes. */
cmdsize = (sizeof(uint32_t) + sizeof(struct lpfc_nvme_prli));
elscmd = ELS_CMD_NVMEPRLI;
} else {
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"3083 Unknown FC_TYPE x%x ndlp x%06x\n",
ndlp->nlp_fc4_type, ndlp->nlp_DID);
return 1;
}
elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
ndlp->nlp_DID, ELS_CMD_PRLI);
ndlp->nlp_DID, elscmd);
if (!elsiocb)
return 1;
pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
/* For PRLI request, remainder of payload is service parameters */
memset(pcmd, 0, (sizeof(PRLI) + sizeof(uint32_t)));
*((uint32_t *) (pcmd)) = ELS_CMD_PRLI;
pcmd += sizeof(uint32_t);
memset(pcmd, 0, cmdsize);
/* For PRLI, remainder of payload is PRLI parameter page */
npr = (PRLI *) pcmd;
/*
* If our firmware version is 3.20 or later,
* set the following bits for FC-TAPE support.
*/
if (phba->vpd.rev.feaLevelHigh >= 0x02) {
npr->ConfmComplAllowed = 1;
npr->Retry = 1;
npr->TaskRetryIdReq = 1;
if (local_nlp_type & NLP_FC4_FCP) {
/* Remainder of payload is FCP PRLI parameter page.
* Note: this data structure is defined as
* BE/LE in the structure definition so no
* byte swap call is made.
*/
*((uint32_t *)(pcmd)) = ELS_CMD_PRLI;
pcmd += sizeof(uint32_t);
npr = (PRLI *)pcmd;
/*
* If our firmware version is 3.20 or later,
* set the following bits for FC-TAPE support.
*/
if (phba->vpd.rev.feaLevelHigh >= 0x02) {
npr->ConfmComplAllowed = 1;
npr->Retry = 1;
npr->TaskRetryIdReq = 1;
}
npr->estabImagePair = 1;
npr->readXferRdyDis = 1;
if (vport->cfg_first_burst_size)
npr->writeXferRdyDis = 1;
/* For FCP support */
npr->prliType = PRLI_FCP_TYPE;
npr->initiatorFunc = 1;
elsiocb->iocb_flag |= LPFC_PRLI_FCP_REQ;
/* Remove FCP type - processed. */
local_nlp_type &= ~NLP_FC4_FCP;
} else if (local_nlp_type & NLP_FC4_NVME) {
/* Remainder of payload is NVME PRLI parameter page.
* This data structure is the newer definition that
* uses bf macros so a byte swap is required.
*/
*((uint32_t *)(pcmd)) = ELS_CMD_NVMEPRLI;
pcmd += sizeof(uint32_t);
npr_nvme = (struct lpfc_nvme_prli *)pcmd;
bf_set(prli_type_code, npr_nvme, PRLI_NVME_TYPE);
bf_set(prli_estabImagePair, npr_nvme, 0); /* Should be 0 */
/* Only initiators request first burst. */
if ((phba->cfg_nvme_enable_fb) &&
!phba->nvmet_support)
bf_set(prli_fba, npr_nvme, 1);
bf_set(prli_init, npr_nvme, 1);
npr_nvme->word1 = cpu_to_be32(npr_nvme->word1);
npr_nvme->word4 = cpu_to_be32(npr_nvme->word4);
elsiocb->iocb_flag |= LPFC_PRLI_NVME_REQ;
/* Remove NVME type - processed. */
local_nlp_type &= ~NLP_FC4_NVME;
}
npr->estabImagePair = 1;
npr->readXferRdyDis = 1;
if (vport->cfg_first_burst_size)
npr->writeXferRdyDis = 1;
/* For FCP support */
npr->prliType = PRLI_FCP_TYPE;
npr->initiatorFunc = 1;
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
"Issue PRLI: did:x%x",
@ -2172,7 +2233,20 @@ lpfc_issue_els_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
lpfc_els_free_iocb(phba, elsiocb);
return 1;
}
/* The vport counters are used for lpfc_scan_finished, but
* the ndlp is used to track outstanding PRLIs for different
* FC4 types.
*/
vport->fc_prli_sent++;
ndlp->fc4_prli_sent++;
/* The driver supports 2 FC4 types. Make sure
* a PRLI is issued for all types before exiting.
*/
if (local_nlp_type & (NLP_FC4_FCP | NLP_FC4_NVME))
goto send_next_prli;
return 0;
}
@ -2543,6 +2617,9 @@ out:
if ((vport->fc_flag & FC_PT2PT) &&
!(vport->fc_flag & FC_PT2PT_PLOGI)) {
phba->pport->fc_myDID = 0;
/* todo: init: revise localport nvme attributes */
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (mbox) {
lpfc_config_link(phba, mbox);
@ -3055,6 +3132,7 @@ lpfc_els_retry_delay_handler(struct lpfc_nodelist *ndlp)
}
break;
case ELS_CMD_PRLI:
case ELS_CMD_NVMEPRLI:
if (!lpfc_issue_els_prli(vport, ndlp, retry)) {
ndlp->nlp_prev_state = ndlp->nlp_state;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
@ -3245,7 +3323,8 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
break;
}
if ((cmd == ELS_CMD_PLOGI) ||
(cmd == ELS_CMD_PRLI)) {
(cmd == ELS_CMD_PRLI) ||
(cmd == ELS_CMD_NVMEPRLI)) {
delay = 1000;
maxretry = lpfc_max_els_tries + 1;
retry = 1;
@ -3265,7 +3344,8 @@ lpfc_els_retry(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
case LSRJT_LOGICAL_BSY:
if ((cmd == ELS_CMD_PLOGI) ||
(cmd == ELS_CMD_PRLI)) {
(cmd == ELS_CMD_PRLI) ||
(cmd == ELS_CMD_NVMEPRLI)) {
delay = 1000;
maxretry = 48;
} else if (cmd == ELS_CMD_FDISC) {
@ -3399,7 +3479,8 @@ out_retry:
spin_unlock_irq(shost->host_lock);
ndlp->nlp_prev_state = ndlp->nlp_state;
if (cmd == ELS_CMD_PRLI)
if ((cmd == ELS_CMD_PRLI) ||
(cmd == ELS_CMD_NVMEPRLI))
lpfc_nlp_set_state(vport, ndlp,
NLP_STE_PRLI_ISSUE);
else
@ -3430,6 +3511,7 @@ out_retry:
lpfc_issue_els_adisc(vport, ndlp, cmdiocb->retry);
return 1;
case ELS_CMD_PRLI:
case ELS_CMD_NVMEPRLI:
ndlp->nlp_prev_state = ndlp->nlp_state;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
lpfc_issue_els_prli(vport, ndlp, cmdiocb->retry);
@ -3990,14 +4072,10 @@ lpfc_els_rsp_acc(struct lpfc_vport *vport, uint32_t flag,
sizeof(struct lpfc_name));
memcpy(&sp->nodeName, &vport->fc_sparam.nodeName,
sizeof(struct lpfc_name));
} else {
} else
memcpy(pcmd, &vport->fc_sparam,
sizeof(struct serv_parm));
sp->cmn.valid_vendor_ver_level = 0;
memset(sp->vendorVersion, 0, sizeof(sp->vendorVersion));
}
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
"Issue ACC FLOGI/PLOGI: did:x%x flg:x%x",
ndlp->nlp_DID, ndlp->nlp_flag, 0);
@ -4231,17 +4309,43 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb,
{
struct lpfc_hba *phba = vport->phba;
PRLI *npr;
struct lpfc_nvme_prli *npr_nvme;
lpfc_vpd_t *vpd;
IOCB_t *icmd;
IOCB_t *oldcmd;
struct lpfc_iocbq *elsiocb;
uint8_t *pcmd;
uint16_t cmdsize;
uint32_t prli_fc4_req, *req_payload;
struct lpfc_dmabuf *req_buf;
int rc;
u32 elsrspcmd;
/* Need the incoming PRLI payload to determine if the ACC is for an
* FC4 or NVME PRLI type. The PRLI type is at word 1.
*/
req_buf = (struct lpfc_dmabuf *)oldiocb->context2;
req_payload = (((uint32_t *)req_buf->virt) + 1);
/* PRLI type payload is at byte 3 for FCP or NVME. */
prli_fc4_req = be32_to_cpu(*req_payload);
prli_fc4_req = (prli_fc4_req >> 24) & 0xff;
lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
"6127 PRLI_ACC: Req Type x%x, Word1 x%08x\n",
prli_fc4_req, *((uint32_t *)req_payload));
if (prli_fc4_req == PRLI_FCP_TYPE) {
cmdsize = sizeof(uint32_t) + sizeof(PRLI);
elsrspcmd = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK));
} else if (prli_fc4_req & PRLI_NVME_TYPE) {
cmdsize = sizeof(uint32_t) + sizeof(struct lpfc_nvme_prli);
elsrspcmd = (ELS_CMD_ACC | (ELS_CMD_NVMEPRLI & ~ELS_RSP_MASK));
} else {
return 1;
}
cmdsize = sizeof(uint32_t) + sizeof(PRLI);
elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, oldiocb->retry, ndlp,
ndlp->nlp_DID, (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK)));
ndlp->nlp_DID, elsrspcmd);
if (!elsiocb)
return 1;
@ -4258,33 +4362,56 @@ lpfc_els_rsp_prli_acc(struct lpfc_vport *vport, struct lpfc_iocbq *oldiocb,
ndlp->nlp_DID, ndlp->nlp_flag, ndlp->nlp_state,
ndlp->nlp_rpi);
pcmd = (uint8_t *) (((struct lpfc_dmabuf *) elsiocb->context2)->virt);
memset(pcmd, 0, cmdsize);
*((uint32_t *) (pcmd)) = (ELS_CMD_ACC | (ELS_CMD_PRLI & ~ELS_RSP_MASK));
pcmd += sizeof(uint32_t);
/* For PRLI, remainder of payload is PRLI parameter page */
memset(pcmd, 0, sizeof(PRLI));
npr = (PRLI *) pcmd;
vpd = &phba->vpd;
/*
* If the remote port is a target and our firmware version is 3.20 or
* later, set the following bits for FC-TAPE support.
*/
if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
(vpd->rev.feaLevelHigh >= 0x02)) {
if (prli_fc4_req == PRLI_FCP_TYPE) {
/*
* If the remote port is a target and our firmware version
* is 3.20 or later, set the following bits for FC-TAPE
* support.
*/
npr = (PRLI *) pcmd;
if ((ndlp->nlp_type & NLP_FCP_TARGET) &&
(vpd->rev.feaLevelHigh >= 0x02)) {
npr->ConfmComplAllowed = 1;
npr->Retry = 1;
npr->TaskRetryIdReq = 1;
}
npr->acceptRspCode = PRLI_REQ_EXECUTED;
npr->estabImagePair = 1;
npr->readXferRdyDis = 1;
npr->ConfmComplAllowed = 1;
npr->Retry = 1;
npr->TaskRetryIdReq = 1;
}
npr->prliType = PRLI_FCP_TYPE;
npr->initiatorFunc = 1;
} else if (prli_fc4_req & PRLI_NVME_TYPE) {
/* Respond with an NVME PRLI Type */
npr_nvme = (struct lpfc_nvme_prli *) pcmd;
bf_set(prli_type_code, npr_nvme, PRLI_NVME_TYPE);
bf_set(prli_estabImagePair, npr_nvme, 0); /* Should be 0 */
bf_set(prli_acc_rsp_code, npr_nvme, PRLI_REQ_EXECUTED);
bf_set(prli_init, npr_nvme, 1);
npr->acceptRspCode = PRLI_REQ_EXECUTED;
npr->estabImagePair = 1;
npr->readXferRdyDis = 1;
npr->ConfmComplAllowed = 1;
npr->prliType = PRLI_FCP_TYPE;
npr->initiatorFunc = 1;
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC,
"6015 NVME issue PRLI ACC word1 x%08x "
"word4 x%08x word5 x%08x flag x%x, "
"fcp_info x%x nlp_type x%x\n",
npr_nvme->word1, npr_nvme->word4,
npr_nvme->word5, ndlp->nlp_flag,
ndlp->nlp_fcp_info, ndlp->nlp_type);
npr_nvme->word1 = cpu_to_be32(npr_nvme->word1);
npr_nvme->word4 = cpu_to_be32(npr_nvme->word4);
npr_nvme->word5 = cpu_to_be32(npr_nvme->word5);
} else
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"6128 Unknown FC_TYPE x%x x%x ndlp x%06x\n",
prli_fc4_req, ndlp->nlp_fc4_type,
ndlp->nlp_DID);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
"Issue ACC PRLI: did:x%x flg:x%x",
@ -4411,7 +4538,7 @@ lpfc_els_rsp_rnid_acc(struct lpfc_vport *vport, uint8_t format,
**/
static void
lpfc_els_clear_rrq(struct lpfc_vport *vport,
struct lpfc_iocbq *iocb, struct lpfc_nodelist *ndlp)
struct lpfc_iocbq *iocb, struct lpfc_nodelist *ndlp)
{
struct lpfc_hba *phba = vport->phba;
uint8_t *pcmd;
@ -4909,7 +5036,7 @@ lpfc_rdp_res_opd_desc(struct fc_rdp_opd_sfp_desc *desc,
memcpy(desc->opd_info.vendor_name, &page_a0[SSF_VENDOR_NAME], 16);
memcpy(desc->opd_info.model_number, &page_a0[SSF_VENDOR_PN], 16);
memcpy(desc->opd_info.serial_number, &page_a0[SSF_VENDOR_SN], 16);
memcpy(desc->opd_info.revision, &page_a0[SSF_VENDOR_REV], 2);
memcpy(desc->opd_info.revision, &page_a0[SSF_VENDOR_REV], 4);
memcpy(desc->opd_info.date, &page_a0[SSF_DATE_CODE], 8);
desc->length = cpu_to_be32(sizeof(desc->opd_info));
return sizeof(struct fc_rdp_opd_sfp_desc);
@ -5004,7 +5131,7 @@ lpfc_rdp_res_diag_port_names(struct fc_rdp_port_name_desc *desc,
memcpy(desc->port_names.wwnn, phba->wwnn,
sizeof(desc->port_names.wwnn));
memcpy(desc->port_names.wwpn, &phba->wwpn,
memcpy(desc->port_names.wwpn, phba->wwpn,
sizeof(desc->port_names.wwpn));
desc->length = cpu_to_be32(sizeof(desc->port_names));
@ -5233,9 +5360,8 @@ lpfc_els_rcv_rdp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
struct ls_rjt stat;
if (phba->sli_rev < LPFC_SLI_REV4 ||
(bf_get(lpfc_sli_intf_if_type,
&phba->sli4_hba.sli_intf) !=
LPFC_SLI_INTF_IF_TYPE_2)) {
bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) !=
LPFC_SLI_INTF_IF_TYPE_2) {
rjt_err = LSRJT_UNABLE_TPC;
rjt_expl = LSEXP_REQ_UNSUPPORTED;
goto error;
@ -5976,9 +6102,11 @@ lpfc_els_handle_rscn(struct lpfc_vport *vport)
if (ndlp && NLP_CHK_NODE_ACT(ndlp)
&& ndlp->nlp_state == NLP_STE_UNMAPPED_NODE) {
/* Good ndlp, issue CT Request to NameServer */
if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0) == 0)
vport->gidft_inp = 0;
if (lpfc_issue_gidft(vport) == 0)
/* Wait for NameServer query cmpl before we can
continue */
* continue
*/
return 1;
} else {
/* If login to NameServer does not exist, issue one */
@ -6082,7 +6210,6 @@ lpfc_els_rcv_flogi(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
(void) lpfc_check_sparm(vport, ndlp, sp, CLASS3, 1);
/*
* If our portname is greater than the remote portname,
* then we initiate Nport login.
@ -7779,6 +7906,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
lpfc_els_rcv_fan(vport, elsiocb, ndlp);
break;
case ELS_CMD_PRLI:
case ELS_CMD_NVMEPRLI:
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_UNSOL,
"RCV PRLI: did:x%x/ste:x%x flg:x%x",
did, vport->port_state, ndlp->nlp_flag);
@ -8883,8 +9011,7 @@ lpfc_cmpl_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
break;
}
if (atomic_read(&phba->fabric_iocb_count) == 0)
BUG();
BUG_ON(atomic_read(&phba->fabric_iocb_count) == 0);
cmdiocb->iocb_cmpl = cmdiocb->fabric_iocb_cmpl;
cmdiocb->fabric_iocb_cmpl = NULL;
@ -8929,8 +9056,7 @@ lpfc_issue_fabric_iocb(struct lpfc_hba *phba, struct lpfc_iocbq *iocb)
int ready;
int ret;
if (atomic_read(&phba->fabric_iocb_count) > 1)
BUG();
BUG_ON(atomic_read(&phba->fabric_iocb_count) > 1);
spin_lock_irqsave(&phba->hbalock, iflags);
ready = atomic_read(&phba->fabric_iocb_count) == 0 &&

169
drivers/scsi/lpfc/lpfc_hbadisc.c
View File

@ -31,6 +31,9 @@
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_fc.h>
#include <scsi/fc/fc_fs.h>
#include <linux/nvme-fc-driver.h>
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
@ -38,8 +41,9 @@
#include "lpfc_disc.h"
#include "lpfc_sli.h"
#include "lpfc_sli4.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
#include "lpfc_scsi.h"
#include "lpfc_nvme.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
#include "lpfc_vport.h"
@ -853,9 +857,12 @@ lpfc_port_link_failure(struct lpfc_vport *vport)
void
lpfc_linkdown_port(struct lpfc_vport *vport)
{
struct lpfc_hba *phba = vport->phba;
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKDOWN, 0);
if (phba->cfg_enable_fc4_type != LPFC_ENABLE_NVME)
fc_host_post_event(shost, fc_get_event_number(),
FCH_EVT_LINKDOWN, 0);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_CMD,
"Link Down: state:x%x rtry:x%x flg:x%x",
@ -981,7 +988,9 @@ lpfc_linkup_port(struct lpfc_vport *vport)
(vport != phba->pport))
return;
fc_host_post_event(shost, fc_get_event_number(), FCH_EVT_LINKUP, 0);
if (phba->cfg_enable_fc4_type != LPFC_ENABLE_NVME)
fc_host_post_event(shost, fc_get_event_number(),
FCH_EVT_LINKUP, 0);
spin_lock_irq(shost->host_lock);
vport->fc_flag &= ~(FC_PT2PT | FC_PT2PT_PLOGI | FC_ABORT_DISCOVERY |
@ -3570,6 +3579,8 @@ lpfc_mbx_cmpl_reg_vpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
vport->fc_flag &= ~(FC_FABRIC | FC_PUBLIC_LOOP);
spin_unlock_irq(shost->host_lock);
vport->fc_myDID = 0;
/* todo: init: revise localport nvme attributes */
goto out;
}
@ -3819,6 +3830,52 @@ lpfc_mbx_cmpl_fabric_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
return;
}
/*
* This routine will issue a GID_FT for each FC4 Type supported
* by the driver. ALL GID_FTs must complete before discovery is started.
*/
int
lpfc_issue_gidft(struct lpfc_vport *vport)
{
struct lpfc_hba *phba = vport->phba;
/* Good status, issue CT Request to NameServer */
if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
(phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP)) {
if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, SLI_CTPT_FCP)) {
/* Cannot issue NameServer FCP Query, so finish up
* discovery
*/
lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI,
"0604 %s FC TYPE %x %s\n",
"Failed to issue GID_FT to ",
FC_TYPE_FCP,
"Finishing discovery.");
return 0;
}
vport->gidft_inp++;
}
if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
(phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) {
if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, SLI_CTPT_NVME)) {
/* Cannot issue NameServer NVME Query, so finish up
* discovery
*/
lpfc_printf_vlog(vport, KERN_ERR, LOG_SLI,
"0605 %s FC_TYPE %x %s %d\n",
"Failed to issue GID_FT to ",
FC_TYPE_NVME,
"Finishing discovery: gidftinp ",
vport->gidft_inp);
if (vport->gidft_inp == 0)
return 0;
} else
vport->gidft_inp++;
}
return vport->gidft_inp;
}
/*
* This routine handles processing a NameServer REG_LOGIN mailbox
* command upon completion. It is setup in the LPFC_MBOXQ
@ -3835,12 +3892,14 @@ lpfc_mbx_cmpl_ns_reg_login(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
pmb->context1 = NULL;
pmb->context2 = NULL;
vport->gidft_inp = 0;
if (mb->mbxStatus) {
out:
lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
"0260 Register NameServer error: 0x%x\n",
mb->mbxStatus);
out:
/* decrement the node reference count held for this
* callback function.
*/
@ -3884,20 +3943,28 @@ out:
lpfc_ns_cmd(vport, SLI_CTNS_RSNN_NN, 0, 0);
lpfc_ns_cmd(vport, SLI_CTNS_RSPN_ID, 0, 0);
lpfc_ns_cmd(vport, SLI_CTNS_RFT_ID, 0, 0);
lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, 0);
if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
(phba->cfg_enable_fc4_type == LPFC_ENABLE_FCP))
lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, FC_TYPE_FCP);
if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
(phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME))
lpfc_ns_cmd(vport, SLI_CTNS_RFF_ID, 0, FC_TYPE_NVME);
/* Issue SCR just before NameServer GID_FT Query */
lpfc_issue_els_scr(vport, SCR_DID, 0);
}
vport->fc_ns_retry = 0;
/* Good status, issue CT Request to NameServer */
if (lpfc_ns_cmd(vport, SLI_CTNS_GID_FT, 0, 0)) {
/* Cannot issue NameServer Query, so finish up discovery */
if (lpfc_issue_gidft(vport) == 0)
goto out;
}
/* decrement the node reference count held for this
/*
* At this point in time we may need to wait for multiple
* SLI_CTNS_GID_FT CT commands to complete before we start discovery.
*
* decrement the node reference count held for this
* callback function.
*/
lpfc_nlp_put(ndlp);
@ -3990,6 +4057,10 @@ lpfc_unregister_remote_port(struct lpfc_nodelist *ndlp)
{
struct fc_rport *rport = ndlp->rport;
struct lpfc_vport *vport = ndlp->vport;
struct lpfc_hba *phba = vport->phba;
if (phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)
return;
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_RPORT,
"rport delete: did:x%x flg:x%x type x%x",
@ -4047,6 +4118,7 @@ lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
int old_state, int new_state)
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct lpfc_hba *phba = vport->phba;
if (new_state == NLP_STE_UNMAPPED_NODE) {
ndlp->nlp_flag &= ~NLP_NODEV_REMOVE;
@ -4057,23 +4129,51 @@ lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
if (new_state == NLP_STE_NPR_NODE)
ndlp->nlp_flag &= ~NLP_RCV_PLOGI;
/* Transport interface */
if (ndlp->rport && (old_state == NLP_STE_MAPPED_NODE ||
old_state == NLP_STE_UNMAPPED_NODE)) {
vport->phba->nport_event_cnt++;
lpfc_unregister_remote_port(ndlp);
/* FCP and NVME Transport interface */
if ((old_state == NLP_STE_MAPPED_NODE ||
old_state == NLP_STE_UNMAPPED_NODE)) {
if (ndlp->rport) {
vport->phba->nport_event_cnt++;
lpfc_unregister_remote_port(ndlp);
}
/* Notify the NVME transport of this rport's loss */
if (((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
(phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) &&
(vport->phba->nvmet_support == 0) &&
((ndlp->nlp_fc4_type & NLP_FC4_NVME) ||
(ndlp->nlp_DID == Fabric_DID))) {
vport->phba->nport_event_cnt++;
/* todo: init: unregister rport from nvme */
}
}
/* FCP and NVME Transport interfaces */
if (new_state == NLP_STE_MAPPED_NODE ||
new_state == NLP_STE_UNMAPPED_NODE) {
vport->phba->nport_event_cnt++;
/*
* Tell the fc transport about the port, if we haven't
* already. If we have, and it's a scsi entity, be
* sure to unblock any attached scsi devices
*/
lpfc_register_remote_port(vport, ndlp);
if ((ndlp->nlp_fc4_type & NLP_FC4_FCP) ||
(ndlp->nlp_DID == Fabric_DID)) {
vport->phba->nport_event_cnt++;
/*
* Tell the fc transport about the port, if we haven't
* already. If we have, and it's a scsi entity, be
*/
lpfc_register_remote_port(vport, ndlp);
}
/* Notify the NVME transport of this new rport. */
if (ndlp->nlp_fc4_type & NLP_FC4_NVME) {
if (vport->phba->nvmet_support == 0) {
/* Register this rport with the transport.
* Initiators take the NDLP ref count in
* the register.
*/
vport->phba->nport_event_cnt++;
/* todo: init: register rport with nvme */
}
}
}
if ((new_state == NLP_STE_MAPPED_NODE) &&
(vport->stat_data_enabled)) {
/*
@ -4091,12 +4191,13 @@ lpfc_nlp_state_cleanup(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
"0x%x\n", ndlp->nlp_DID);
}
/*
* if we added to Mapped list, but the remote port
* registration failed or assigned a target id outside
* our presentable range - move the node to the
* Unmapped List
* If the node just added to Mapped list was an FCP target,
* but the remote port registration failed or assigned a target
* id outside the presentable range - move the node to the
* Unmapped List.
*/
if (new_state == NLP_STE_MAPPED_NODE &&
if ((new_state == NLP_STE_MAPPED_NODE) &&
(ndlp->nlp_type & NLP_FCP_TARGET) &&
(!ndlp->rport ||
ndlp->rport->scsi_target_id == -1 ||
ndlp->rport->scsi_target_id >= LPFC_MAX_TARGET)) {
@ -4230,6 +4331,7 @@ lpfc_initialize_node(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
ndlp->vport = vport;
ndlp->phba = vport->phba;
ndlp->nlp_sid = NLP_NO_SID;
ndlp->nlp_fc4_type = NLP_FC4_NONE;
kref_init(&ndlp->kref);
NLP_INT_NODE_ACT(ndlp);
atomic_set(&ndlp->cmd_pending, 0);
@ -5369,12 +5471,13 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport)
switch (vport->port_state) {
case LPFC_LOCAL_CFG_LINK:
/* port_state is identically LPFC_LOCAL_CFG_LINK while waiting for
* FAN
*/
/* FAN timeout */
/*
* port_state is identically LPFC_LOCAL_CFG_LINK while
* waiting for FAN timeout
*/
lpfc_printf_vlog(vport, KERN_WARNING, LOG_DISCOVERY,
"0221 FAN timeout\n");
/* Start discovery by sending FLOGI, clean up old rpis */
list_for_each_entry_safe(ndlp, next_ndlp, &vport->fc_nodes,
nlp_listp) {
@ -5445,8 +5548,8 @@ lpfc_disc_timeout_handler(struct lpfc_vport *vport)
if (vport->fc_ns_retry < LPFC_MAX_NS_RETRY) {
/* Try it one more time */
vport->fc_ns_retry++;
rc = lpfc_ns_cmd(vport, SLI_CTNS_GID_FT,
vport->fc_ns_retry, 0);
vport->gidft_inp = 0;
rc = lpfc_issue_gidft(vport);
if (rc == 0)
break;
}

69
drivers/scsi/lpfc/lpfc_hw.h
View File

@ -90,8 +90,10 @@ union CtCommandResponse {
uint32_t word;
};
#define FC4_FEATURE_INIT 0x2
#define FC4_FEATURE_TARGET 0x1
/* FC4 Feature bits for RFF_ID */
#define FC4_FEATURE_TARGET 0x1
#define FC4_FEATURE_INIT 0x2
#define FC4_FEATURE_NVME_DISC 0x4
struct lpfc_sli_ct_request {
/* Structure is in Big Endian format */
@ -115,6 +117,16 @@ struct lpfc_sli_ct_request {
uint8_t AreaScope;
uint8_t Fc4Type; /* for GID_FT requests */
} gid;
struct gid_ff {
uint8_t Flags;
uint8_t DomainScope;
uint8_t AreaScope;
uint8_t rsvd1;
uint8_t rsvd2;
uint8_t rsvd3;
uint8_t Fc4FBits;
uint8_t Fc4Type;
} gid_ff;
struct rft {
uint32_t PortId; /* For RFT_ID requests */
@ -159,6 +171,12 @@ struct lpfc_sli_ct_request {
struct gff_acc {
uint8_t fbits[128];
} gff_acc;
struct gft {
uint32_t PortId;
} gft;
struct gft_acc {
uint32_t fc4_types[8];
} gft_acc;
#define FCP_TYPE_FEATURE_OFFSET 7
struct rff {
uint32_t PortId;
@ -174,8 +192,12 @@ struct lpfc_sli_ct_request {
#define SLI_CT_REVISION 1
#define GID_REQUEST_SZ (offsetof(struct lpfc_sli_ct_request, un) + \
sizeof(struct gid))
#define GIDFF_REQUEST_SZ (offsetof(struct lpfc_sli_ct_request, un) + \
sizeof(struct gid_ff))
#define GFF_REQUEST_SZ (offsetof(struct lpfc_sli_ct_request, un) + \
sizeof(struct gff))
#define GFT_REQUEST_SZ (offsetof(struct lpfc_sli_ct_request, un) + \
sizeof(struct gft))
#define RFT_REQUEST_SZ (offsetof(struct lpfc_sli_ct_request, un) + \
sizeof(struct rft))
#define RFF_REQUEST_SZ (offsetof(struct lpfc_sli_ct_request, un) + \
@ -271,6 +293,7 @@ struct lpfc_sli_ct_request {
#define SLI_CTNS_GNN_IP 0x0153
#define SLI_CTNS_GIPA_IP 0x0156
#define SLI_CTNS_GID_FT 0x0171
#define SLI_CTNS_GID_FF 0x01F1
#define SLI_CTNS_GID_PT 0x01A1
#define SLI_CTNS_RPN_ID 0x0212
#define SLI_CTNS_RNN_ID 0x0213
@ -288,15 +311,16 @@ struct lpfc_sli_ct_request {
* Port Types
*/
#define SLI_CTPT_N_PORT 0x01
#define SLI_CTPT_NL_PORT 0x02
#define SLI_CTPT_FNL_PORT 0x03
#define SLI_CTPT_IP 0x04
#define SLI_CTPT_FCP 0x08
#define SLI_CTPT_NX_PORT 0x7F
#define SLI_CTPT_F_PORT 0x81
#define SLI_CTPT_FL_PORT 0x82
#define SLI_CTPT_E_PORT 0x84
#define SLI_CTPT_N_PORT 0x01
#define SLI_CTPT_NL_PORT 0x02
#define SLI_CTPT_FNL_PORT 0x03
#define SLI_CTPT_IP 0x04
#define SLI_CTPT_FCP 0x08
#define SLI_CTPT_NVME 0x28
#define SLI_CTPT_NX_PORT 0x7F
#define SLI_CTPT_F_PORT 0x81
#define SLI_CTPT_FL_PORT 0x82
#define SLI_CTPT_E_PORT 0x84
#define SLI_CT_LAST_ENTRY 0x80000000
@ -337,6 +361,7 @@ struct lpfc_name {
uint8_t IEEE[6]; /* FC IEEE address */
} s;
uint8_t wwn[8];
uint64_t name;
} u;
};
@ -549,6 +574,7 @@ struct fc_vft_header {
#define ELS_CMD_REC 0x13000000
#define ELS_CMD_RDP 0x18000000
#define ELS_CMD_PRLI 0x20100014
#define ELS_CMD_NVMEPRLI 0x20140018
#define ELS_CMD_PRLO 0x21100014
#define ELS_CMD_PRLO_ACC 0x02100014
#define ELS_CMD_PDISC 0x50000000
@ -588,6 +614,7 @@ struct fc_vft_header {
#define ELS_CMD_REC 0x13
#define ELS_CMD_RDP 0x18
#define ELS_CMD_PRLI 0x14001020
#define ELS_CMD_NVMEPRLI 0x18001420
#define ELS_CMD_PRLO 0x14001021
#define ELS_CMD_PRLO_ACC 0x14001002
#define ELS_CMD_PDISC 0x50
@ -684,6 +711,7 @@ typedef struct _PRLI { /* Structure is in Big Endian format */
uint8_t prliType; /* FC Parm Word 0, bit 24:31 */
#define PRLI_FCP_TYPE 0x08
#define PRLI_NVME_TYPE 0x28
uint8_t word0Reserved1; /* FC Parm Word 0, bit 16:23 */
#ifdef __BIG_ENDIAN_BITFIELD
@ -1243,8 +1271,7 @@ struct fc_rdp_opd_sfp_info {
uint8_t vendor_name[16];
uint8_t model_number[16];
uint8_t serial_number[16];
uint8_t revision[2];
uint8_t reserved[2];
uint8_t revision[4];
uint8_t date[8];
};
@ -1263,14 +1290,14 @@ struct fc_rdp_req_frame {
struct fc_rdp_res_frame {
uint32_t reply_sequence; /* FC word0 LS_ACC or LS_RJT */
uint32_t length; /* FC Word 1 */
struct fc_rdp_link_service_desc link_service_desc; /* Word 2 -4 */
struct fc_rdp_sfp_desc sfp_desc; /* Word 5 -9 */
struct fc_rdp_port_speed_desc portspeed_desc; /* Word 10-12 */
struct fc_rdp_link_error_status_desc link_error_desc; /* Word 13-21 */
struct fc_rdp_port_name_desc diag_port_names_desc; /* Word 22-27 */
struct fc_rdp_port_name_desc attached_port_names_desc;/* Word 28-33 */
uint32_t reply_sequence; /* FC word0 LS_ACC or LS_RJT */
uint32_t length; /* FC Word 1 */
struct fc_rdp_link_service_desc link_service_desc; /* Word 2 -4 */
struct fc_rdp_sfp_desc sfp_desc; /* Word 5 -9 */
struct fc_rdp_port_speed_desc portspeed_desc; /* Word 10 -12 */
struct fc_rdp_link_error_status_desc link_error_desc; /* Word 13 -21 */
struct fc_rdp_port_name_desc diag_port_names_desc; /* Word 22 -27 */
struct fc_rdp_port_name_desc attached_port_names_desc;/* Word 28 -33 */
struct fc_fec_rdp_desc fec_desc; /* FC word 34-37*/
struct fc_rdp_bbc_desc bbc_desc; /* FC Word 38-42*/
struct fc_rdp_oed_sfp_desc oed_temp_desc; /* FC Word 43-47*/

43
drivers/scsi/lpfc/lpfc_hw4.h
View File

@ -3922,6 +3922,49 @@ struct gen_req64_wqe {
uint32_t max_response_payload_len;
};
/* Define NVME PRLI request to fabric. NVME is a
* fabric-only protocol.
* Updated to red-lined v1.08 on Sept 16, 2016
*/
struct lpfc_nvme_prli {
uint32_t word1;
/* The Response Code is defined in the FCP PRLI lpfc_hw.h */
#define prli_acc_rsp_code_SHIFT 8
#define prli_acc_rsp_code_MASK 0x0000000f
#define prli_acc_rsp_code_WORD word1
#define prli_estabImagePair_SHIFT 13
#define prli_estabImagePair_MASK 0x00000001
#define prli_estabImagePair_WORD word1
#define prli_type_code_ext_SHIFT 16
#define prli_type_code_ext_MASK 0x000000ff
#define prli_type_code_ext_WORD word1
#define prli_type_code_SHIFT 24
#define prli_type_code_MASK 0x000000ff
#define prli_type_code_WORD word1
uint32_t word_rsvd2;
uint32_t word_rsvd3;
uint32_t word4;
#define prli_fba_SHIFT 0
#define prli_fba_MASK 0x00000001
#define prli_fba_WORD word4
#define prli_disc_SHIFT 3
#define prli_disc_MASK 0x00000001
#define prli_disc_WORD word4
#define prli_tgt_SHIFT 4
#define prli_tgt_MASK 0x00000001
#define prli_tgt_WORD word4
#define prli_init_SHIFT 5
#define prli_init_MASK 0x00000001
#define prli_init_WORD word4
#define prli_recov_SHIFT 8
#define prli_recov_MASK 0x00000001
#define prli_recov_WORD word4
uint32_t word5;
#define prli_fb_sz_SHIFT 0
#define prli_fb_sz_MASK 0x0000ffff
#define prli_fb_sz_WORD word5
};
struct create_xri_wqe {
uint32_t rsrvd[5]; /* words 0-4 */
struct wqe_did wqe_dest; /* word 5 */

7
drivers/scsi/lpfc/lpfc_init.c
View File

@ -2667,6 +2667,13 @@ lpfc_cleanup(struct lpfc_vport *vport)
lpfc_disc_state_machine(vport, ndlp, NULL,
NLP_EVT_DEVICE_RECOVERY);
if (ndlp->nlp_fc4_type & NLP_FC4_NVME) {
/* Remove the NVME transport reference now and
* continue to remove the node.
*/
lpfc_nlp_put(ndlp);
}
lpfc_disc_state_machine(vport, ndlp, NULL,
NLP_EVT_DEVICE_RM);
}

177
drivers/scsi/lpfc/lpfc_nportdisc.c
View File

@ -28,6 +28,9 @@
#include <scsi/scsi_device.h>
#include <scsi/scsi_host.h>
#include <scsi/scsi_transport_fc.h>
#include <scsi/fc/fc_fs.h>
#include <linux/nvme-fc-driver.h>
#include "lpfc_hw4.h"
#include "lpfc_hw.h"
@ -35,8 +38,9 @@
#include "lpfc_sli4.h"
#include "lpfc_nl.h"
#include "lpfc_disc.h"
#include "lpfc_scsi.h"
#include "lpfc.h"
#include "lpfc_scsi.h"
#include "lpfc_nvme.h"
#include "lpfc_logmsg.h"
#include "lpfc_crtn.h"
#include "lpfc_vport.h"
@ -708,6 +712,7 @@ static void
lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
struct lpfc_iocbq *cmdiocb)
{
struct lpfc_hba *phba = vport->phba;
struct lpfc_dmabuf *pcmd;
uint32_t *lp;
PRLI *npr;
@ -721,11 +726,19 @@ lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
ndlp->nlp_flag &= ~NLP_FIRSTBURST;
if (npr->prliType == PRLI_FCP_TYPE) {
if (npr->initiatorFunc)
ndlp->nlp_type |= NLP_FCP_INITIATOR;
if ((npr->prliType == PRLI_FCP_TYPE) ||
(npr->prliType == PRLI_NVME_TYPE)) {
if (npr->initiatorFunc) {
if (npr->prliType == PRLI_FCP_TYPE)
ndlp->nlp_type |= NLP_FCP_INITIATOR;
if (npr->prliType == PRLI_NVME_TYPE)
ndlp->nlp_type |= NLP_NVME_INITIATOR;
}
if (npr->targetFunc) {
ndlp->nlp_type |= NLP_FCP_TARGET;
if (npr->prliType == PRLI_FCP_TYPE)
ndlp->nlp_type |= NLP_FCP_TARGET;
if (npr->prliType == PRLI_NVME_TYPE)
ndlp->nlp_type |= NLP_NVME_TARGET;
if (npr->writeXferRdyDis)
ndlp->nlp_flag |= NLP_FIRSTBURST;
}
@ -744,7 +757,8 @@ lpfc_rcv_prli(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
"rport rolechg: role:x%x did:x%x flg:x%x",
roles, ndlp->nlp_DID, ndlp->nlp_flag);
fc_remote_port_rolechg(rport, roles);
if (phba->cfg_enable_fc4_type != LPFC_ENABLE_NVME)
fc_remote_port_rolechg(rport, roles);
}
}
@ -1491,7 +1505,9 @@ lpfc_rcv_prli_reglogin_issue(struct lpfc_vport *vport,
{
struct lpfc_iocbq *cmdiocb = (struct lpfc_iocbq *) arg;
/* Initiator mode. */
lpfc_els_rsp_prli_acc(vport, cmdiocb, ndlp);
return ndlp->nlp_state;
}
@ -1574,9 +1590,11 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport,
uint32_t evt)
{
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
struct lpfc_hba *phba = vport->phba;
LPFC_MBOXQ_t *pmb = (LPFC_MBOXQ_t *) arg;
MAILBOX_t *mb = &pmb->u.mb;
uint32_t did = mb->un.varWords[1];
int rc = 0;
if (mb->mbxStatus) {
/* RegLogin failed */
@ -1611,19 +1629,52 @@ lpfc_cmpl_reglogin_reglogin_issue(struct lpfc_vport *vport,
}
/* SLI4 ports have preallocated logical rpis. */
if (vport->phba->sli_rev < LPFC_SLI_REV4)
if (phba->sli_rev < LPFC_SLI_REV4)
ndlp->nlp_rpi = mb->un.varWords[0];
ndlp->nlp_flag |= NLP_RPI_REGISTERED;
/* Only if we are not a fabric nport do we issue PRLI */
if (!(ndlp->nlp_type & NLP_FABRIC)) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_DISCOVERY,
"3066 RegLogin Complete on x%x x%x x%x\n",
did, ndlp->nlp_type, ndlp->nlp_fc4_type);
if (!(ndlp->nlp_type & NLP_FABRIC) &&
(phba->nvmet_support == 0)) {
/* The driver supports FCP and NVME concurrently. If the
* ndlp's nlp_fc4_type is still zero, the driver doesn't
* know what PRLI to send yet. Figure that out now and
* call PRLI depending on the outcome.
*/
if (vport->fc_flag & FC_PT2PT) {
/* If we are pt2pt, there is no Fabric to determine
* the FC4 type of the remote nport. So if NVME
* is configured try it.
*/
ndlp->nlp_fc4_type |= NLP_FC4_FCP;
if ((phba->cfg_enable_fc4_type == LPFC_ENABLE_BOTH) ||
(phba->cfg_enable_fc4_type == LPFC_ENABLE_NVME)) {
ndlp->nlp_fc4_type |= NLP_FC4_NVME;
/* We need to update the localport also */
/* todo: init: revise localport nvme
* attributes
*/
}
} else if (ndlp->nlp_fc4_type == 0) {
rc = lpfc_ns_cmd(vport, SLI_CTNS_GFT_ID,
0, ndlp->nlp_DID);
return ndlp->nlp_state;
}
ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_PRLI_ISSUE);
lpfc_issue_els_prli(vport, ndlp, 0);
} else {
ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
/* Only Fabric ports should transition */
if (ndlp->nlp_type & NLP_FABRIC) {
ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
}
}
return ndlp->nlp_state;
}
@ -1664,7 +1715,7 @@ lpfc_device_recov_reglogin_issue(struct lpfc_vport *vport,
ndlp->nlp_prev_state = NLP_STE_REG_LOGIN_ISSUE;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE);
spin_lock_irq(shost->host_lock);
ndlp->nlp_flag |= NLP_IGNR_REG_CMPL;
ndlp->nlp_flag &= ~(NLP_NODEV_REMOVE | NLP_NPR_2B_DISC);
spin_unlock_irq(shost->host_lock);
lpfc_disc_set_adisc(vport, ndlp);
@ -1740,10 +1791,23 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
struct lpfc_hba *phba = vport->phba;
IOCB_t *irsp;
PRLI *npr;
struct lpfc_nvme_prli *nvpr;
void *temp_ptr;
cmdiocb = (struct lpfc_iocbq *) arg;
rspiocb = cmdiocb->context_un.rsp_iocb;
npr = (PRLI *)lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb);
/* A solicited PRLI is either FCP or NVME. The PRLI cmd/rsp
* format is different so NULL the two PRLI types so that the
* driver correctly gets the correct context.
*/
npr = NULL;
nvpr = NULL;
temp_ptr = lpfc_check_elscmpl_iocb(phba, cmdiocb, rspiocb);
if (cmdiocb->iocb_flag & LPFC_PRLI_FCP_REQ)
npr = (PRLI *) temp_ptr;
else if (cmdiocb->iocb_flag & LPFC_PRLI_NVME_REQ)
nvpr = (struct lpfc_nvme_prli *) temp_ptr;
irsp = &rspiocb->iocb;
if (irsp->ulpStatus) {
@ -1751,7 +1815,21 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
vport->cfg_restrict_login) {
goto out;
}
/* The LS Req had some error. Don't let this be a
* target.
*/
if ((ndlp->fc4_prli_sent == 1) &&
(ndlp->nlp_state == NLP_STE_PRLI_ISSUE) &&
(ndlp->nlp_type & (NLP_FCP_TARGET | NLP_FCP_INITIATOR)))
/* The FCP PRLI completed successfully but
* the NVME PRLI failed. Since they are sent in
* succession, allow the FCP to complete.
*/
goto out_err;
ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE;
ndlp->nlp_type |= NLP_FCP_INITIATOR;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
return ndlp->nlp_state;
}
@ -1759,9 +1837,16 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
/* Check out PRLI rsp */
ndlp->nlp_type &= ~(NLP_FCP_TARGET | NLP_FCP_INITIATOR);
ndlp->nlp_fcp_info &= ~NLP_FCP_2_DEVICE;
/* NVME or FCP first burst must be negotiated for each PRLI. */
ndlp->nlp_flag &= ~NLP_FIRSTBURST;
if ((npr->acceptRspCode == PRLI_REQ_EXECUTED) &&
ndlp->nvme_fb_size = 0;
if (npr && (npr->acceptRspCode == PRLI_REQ_EXECUTED) &&
(npr->prliType == PRLI_FCP_TYPE)) {
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC,
"6028 FCP NPR PRLI Cmpl Init %d Target %d\n",
npr->initiatorFunc,
npr->targetFunc);
if (npr->initiatorFunc)
ndlp->nlp_type |= NLP_FCP_INITIATOR;
if (npr->targetFunc) {
@ -1771,6 +1856,49 @@ lpfc_cmpl_prli_prli_issue(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp,
}
if (npr->Retry)
ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE;
/* PRLI completed. Decrement count. */
ndlp->fc4_prli_sent--;
} else if (nvpr &&
(bf_get_be32(prli_acc_rsp_code, nvpr) ==
PRLI_REQ_EXECUTED) &&
(bf_get_be32(prli_type_code, nvpr) ==
PRLI_NVME_TYPE)) {
/* Complete setting up the remote ndlp personality. */
if (bf_get_be32(prli_init, nvpr))
ndlp->nlp_type |= NLP_NVME_INITIATOR;
/* Target driver cannot solicit NVME FB. */
if (bf_get_be32(prli_tgt, nvpr)) {
ndlp->nlp_type |= NLP_NVME_TARGET;
if ((bf_get_be32(prli_fba, nvpr) == 1) &&
(bf_get_be32(prli_fb_sz, nvpr) > 0) &&
(phba->cfg_nvme_enable_fb) &&
(!phba->nvmet_support)) {
/* Both sides support FB. The target's first
* burst size is a 512 byte encoded value.
*/
ndlp->nlp_flag |= NLP_FIRSTBURST;
ndlp->nvme_fb_size = bf_get_be32(prli_fb_sz,
nvpr);
}
}
if (bf_get_be32(prli_recov, nvpr))
ndlp->nlp_fcp_info |= NLP_FCP_2_DEVICE;
lpfc_printf_vlog(vport, KERN_INFO, LOG_NVME_DISC,
"6029 NVME PRLI Cmpl w1 x%08x "
"w4 x%08x w5 x%08x flag x%x, "
"fcp_info x%x nlp_type x%x\n",
be32_to_cpu(nvpr->word1),
be32_to_cpu(nvpr->word4),
be32_to_cpu(nvpr->word5),
ndlp->nlp_flag, ndlp->nlp_fcp_info,
ndlp->nlp_type);
/* PRLI completed. Decrement count. */
ndlp->fc4_prli_sent--;
}
if (!(ndlp->nlp_type & NLP_FCP_TARGET) &&
(vport->port_type == LPFC_NPIV_PORT) &&
@ -1786,11 +1914,24 @@ out:
return ndlp->nlp_state;
}
ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE;
if (ndlp->nlp_type & NLP_FCP_TARGET)
lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE);
else
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
out_err:
/* The ndlp state cannot move to MAPPED or UNMAPPED before all PRLIs
* are complete.
*/
if (ndlp->fc4_prli_sent == 0) {
ndlp->nlp_prev_state = NLP_STE_PRLI_ISSUE;
if (ndlp->nlp_type & (NLP_FCP_TARGET | NLP_NVME_TARGET))
lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE);
else
lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE);
} else
lpfc_printf_vlog(vport,
KERN_INFO, LOG_ELS,
"3067 PRLI's still outstanding "
"on x%06x - count %d, Pend Node Mode "
"transition...\n",
ndlp->nlp_DID, ndlp->fc4_prli_sent);
return ndlp->nlp_state;
}

3
drivers/scsi/lpfc/lpfc_scsi.c
View File

@ -5333,7 +5333,8 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
continue;
if (ndlp->nlp_state == NLP_STE_MAPPED_NODE &&
ndlp->nlp_sid == i &&
ndlp->rport) {
ndlp->rport &&
ndlp->nlp_type & NLP_FCP_TARGET) {
match = 1;
break;
}