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scsi: lpfc: Add reporting capability for Link Degrade Signaling 

Firmware reports link degrade signaling via ACQES.

Handlers and new additions to the SET_FEATURES mbox command are implemented
so that link degrade parameters for 64GB capable links are reported through
EDC ELS frames.

Link: https://lore.kernel.org/r/20220911221505.117655-12-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart 2022-09-11 15:15:03 -07:00 committed by Martin K. Petersen
parent 045c58c875
commit dbb1e2ff87
8 changed files with 224 additions and 68 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -403,6 +403,7 @@ struct lpfc_trunk_link {
link1,
link2,
link3;
u32 phy_lnk_speed;
};
/* Format of congestion module parameters */
@ -1596,6 +1597,11 @@ struct lpfc_hba {
char os_host_name[MAXHOSTNAMELEN];
/* LD Signaling */
u32 degrade_activate_threshold;
u32 degrade_deactivate_threshold;
u32 fec_degrade_interval;
atomic_t dbg_log_idx;
atomic_t dbg_log_cnt;
atomic_t dbg_log_dmping;

1
drivers/scsi/lpfc/lpfc_crtn.h
View File

@ -78,6 +78,7 @@ int lpfc_init_iocb_list(struct lpfc_hba *phba, int cnt);
void lpfc_free_iocb_list(struct lpfc_hba *phba);
int lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq,
struct lpfc_queue *drq, int count, int idx);
int lpfc_read_lds_params(struct lpfc_hba *phba);
uint32_t lpfc_calc_cmf_latency(struct lpfc_hba *phba);
void lpfc_cmf_signal_init(struct lpfc_hba *phba);
void lpfc_cmf_start(struct lpfc_hba *phba);

154
drivers/scsi/lpfc/lpfc_els.c
View File

@ -3988,7 +3988,8 @@ lpfc_cmpl_els_edc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
goto out;
/* ELS cmd tag <ulpIoTag> completes */
lpfc_printf_log(phba, KERN_INFO, LOG_ELS | LOG_CGN_MGMT,
lpfc_printf_log(phba, KERN_INFO,
LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT,
"4676 Fabric EDC Rsp: "
"0x%02x, 0x%08x\n",
edc_rsp->acc_hdr.la_cmd,
@ -4025,18 +4026,18 @@ lpfc_cmpl_els_edc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb,
if (bytes_remain < FC_TLV_DESC_SZ_FROM_LENGTH(tlv) ||
FC_TLV_DESC_SZ_FROM_LENGTH(tlv) !=
sizeof(struct fc_diag_lnkflt_desc)) {
lpfc_printf_log(
phba, KERN_WARNING, LOG_CGN_MGMT,
lpfc_printf_log(phba, KERN_WARNING,
LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT,
"6462 Truncated Link Fault Diagnostic "
"descriptor[%d]: %d vs 0x%zx 0x%zx\n",
desc_cnt, bytes_remain,
FC_TLV_DESC_SZ_FROM_LENGTH(tlv),
sizeof(struct fc_diag_cg_sig_desc));
sizeof(struct fc_diag_lnkflt_desc));
goto out;
}
plnkflt = (struct fc_diag_lnkflt_desc *)tlv;
lpfc_printf_log(
phba, KERN_INFO, LOG_ELS | LOG_CGN_MGMT,
lpfc_printf_log(phba, KERN_INFO,
LOG_ELS | LOG_LDS_EVENT,
"4617 Link Fault Desc Data: 0x%08x 0x%08x "
"0x%08x 0x%08x 0x%08x\n",
be32_to_cpu(plnkflt->desc_tag),
@ -4116,8 +4117,26 @@ out:
}
static void
lpfc_format_edc_cgn_desc(struct lpfc_hba *phba, struct fc_diag_cg_sig_desc *cgd)
lpfc_format_edc_lft_desc(struct lpfc_hba *phba, struct fc_tlv_desc *tlv)
{
struct fc_diag_lnkflt_desc *lft = (struct fc_diag_lnkflt_desc *)tlv;
lft->desc_tag = cpu_to_be32(ELS_DTAG_LNK_FAULT_CAP);
lft->desc_len = cpu_to_be32(
FC_TLV_DESC_LENGTH_FROM_SZ(struct fc_diag_lnkflt_desc));
lft->degrade_activate_threshold =
cpu_to_be32(phba->degrade_activate_threshold);
lft->degrade_deactivate_threshold =
cpu_to_be32(phba->degrade_deactivate_threshold);
lft->fec_degrade_interval = cpu_to_be32(phba->fec_degrade_interval);
}
static void
lpfc_format_edc_cgn_desc(struct lpfc_hba *phba, struct fc_tlv_desc *tlv)
{
struct fc_diag_cg_sig_desc *cgd = (struct fc_diag_cg_sig_desc *)tlv;
/* We are assuming cgd was zero'ed before calling this routine */
/* Configure the congestion detection capability */
@ -4161,6 +4180,23 @@ lpfc_format_edc_cgn_desc(struct lpfc_hba *phba, struct fc_diag_cg_sig_desc *cgd)
cpu_to_be16(EDC_CG_SIGFREQ_MSEC);
}
static bool
lpfc_link_is_lds_capable(struct lpfc_hba *phba)
{
if (!(phba->lmt & LMT_64Gb))
return false;
if (phba->sli_rev != LPFC_SLI_REV4)
return false;
if (phba->sli4_hba.conf_trunk) {
if (phba->trunk_link.phy_lnk_speed == LPFC_USER_LINK_SPEED_64G)
return true;
} else if (phba->fc_linkspeed == LPFC_LINK_SPEED_64GHZ) {
return true;
}
return false;
}
/**
* lpfc_issue_els_edc - Exchange Diagnostic Capabilities with the fabric.
* @vport: pointer to a host virtual N_Port data structure.
@ -4188,12 +4224,12 @@ lpfc_issue_els_edc(struct lpfc_vport *vport, uint8_t retry)
{
struct lpfc_hba *phba = vport->phba;
struct lpfc_iocbq *elsiocb;
struct lpfc_els_edc_req *edc_req;
struct fc_diag_cg_sig_desc *cgn_desc;
struct fc_els_edc *edc_req;
struct fc_tlv_desc *tlv;
u16 cmdsize;
struct lpfc_nodelist *ndlp;
u8 *pcmd = NULL;
u32 edc_req_size, cgn_desc_size;
u32 cgn_desc_size, lft_desc_size;
int rc;
if (vport->port_type == LPFC_NPIV_PORT)
@ -4203,13 +4239,17 @@ lpfc_issue_els_edc(struct lpfc_vport *vport, uint8_t retry)
if (!ndlp || ndlp->nlp_state != NLP_STE_UNMAPPED_NODE)
return -ENODEV;
/* If HBA doesn't support signals, drop into RDF */
if (!phba->cgn_init_reg_signal)
cgn_desc_size = (phba->cgn_init_reg_signal) ?
sizeof(struct fc_diag_cg_sig_desc) : 0;
lft_desc_size = (lpfc_link_is_lds_capable(phba)) ?
sizeof(struct fc_diag_lnkflt_desc) : 0;
cmdsize = cgn_desc_size + lft_desc_size;
/* Skip EDC if no applicable descriptors */
if (!cmdsize)
goto try_rdf;
edc_req_size = sizeof(struct fc_els_edc);
cgn_desc_size = sizeof(struct fc_diag_cg_sig_desc);
cmdsize = edc_req_size + cgn_desc_size;
cmdsize += sizeof(struct fc_els_edc);
elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp,
ndlp->nlp_DID, ELS_CMD_EDC);
if (!elsiocb)
@ -4218,15 +4258,19 @@ lpfc_issue_els_edc(struct lpfc_vport *vport, uint8_t retry)
/* Configure the payload for the supported Diagnostics capabilities. */
pcmd = (u8 *)elsiocb->cmd_dmabuf->virt;
memset(pcmd, 0, cmdsize);
edc_req = (struct lpfc_els_edc_req *)pcmd;
edc_req->edc.desc_len = cpu_to_be32(cgn_desc_size);
edc_req->edc.edc_cmd = ELS_EDC;
edc_req = (struct fc_els_edc *)pcmd;
edc_req->desc_len = cpu_to_be32(cgn_desc_size + lft_desc_size);
edc_req->edc_cmd = ELS_EDC;
tlv = edc_req->desc;
cgn_desc = &edc_req->cgn_desc;
if (cgn_desc_size) {
lpfc_format_edc_cgn_desc(phba, tlv);
phba->cgn_sig_freq = lpfc_fabric_cgn_frequency;
tlv = fc_tlv_next_desc(tlv);
}
lpfc_format_edc_cgn_desc(phba, cgn_desc);
phba->cgn_sig_freq = lpfc_fabric_cgn_frequency;
if (lft_desc_size)
lpfc_format_edc_lft_desc(phba, tlv);
lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS | LOG_CGN_MGMT,
"4623 Xmit EDC to remote "
@ -5780,14 +5824,21 @@ lpfc_issue_els_edc_rsp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
struct lpfc_nodelist *ndlp)
{
struct lpfc_hba *phba = vport->phba;
struct lpfc_els_edc_rsp *edc_rsp;
struct fc_els_edc_resp *edc_rsp;
struct fc_tlv_desc *tlv;
struct lpfc_iocbq *elsiocb;
IOCB_t *icmd, *cmd;
union lpfc_wqe128 *wqe;
u32 cgn_desc_size, lft_desc_size;
u16 cmdsize;
uint8_t *pcmd;
int cmdsize, rc;
int rc;
cmdsize = sizeof(struct lpfc_els_edc_rsp);
cmdsize = sizeof(struct fc_els_edc_resp);
cgn_desc_size = sizeof(struct fc_diag_cg_sig_desc);
lft_desc_size = (lpfc_link_is_lds_capable(phba)) ?
sizeof(struct fc_diag_lnkflt_desc) : 0;
cmdsize += cgn_desc_size + lft_desc_size;
elsiocb = lpfc_prep_els_iocb(vport, 0, cmdsize, cmdiocb->retry,
ndlp, ndlp->nlp_DID, ELS_CMD_ACC);
if (!elsiocb)
@ -5809,15 +5860,19 @@ lpfc_issue_els_edc_rsp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
pcmd = elsiocb->cmd_dmabuf->virt;
memset(pcmd, 0, cmdsize);
edc_rsp = (struct lpfc_els_edc_rsp *)pcmd;
edc_rsp->edc_rsp.acc_hdr.la_cmd = ELS_LS_ACC;
edc_rsp->edc_rsp.desc_list_len = cpu_to_be32(
FC_TLV_DESC_LENGTH_FROM_SZ(struct lpfc_els_edc_rsp));
edc_rsp->edc_rsp.lsri.desc_tag = cpu_to_be32(ELS_DTAG_LS_REQ_INFO);
edc_rsp->edc_rsp.lsri.desc_len = cpu_to_be32(
edc_rsp = (struct fc_els_edc_resp *)pcmd;
edc_rsp->acc_hdr.la_cmd = ELS_LS_ACC;
edc_rsp->desc_list_len = cpu_to_be32(sizeof(struct fc_els_lsri_desc) +
cgn_desc_size + lft_desc_size);
edc_rsp->lsri.desc_tag = cpu_to_be32(ELS_DTAG_LS_REQ_INFO);
edc_rsp->lsri.desc_len = cpu_to_be32(
FC_TLV_DESC_LENGTH_FROM_SZ(struct fc_els_lsri_desc));
edc_rsp->edc_rsp.lsri.rqst_w0.cmd = ELS_EDC;
lpfc_format_edc_cgn_desc(phba, &edc_rsp->cgn_desc);
edc_rsp->lsri.rqst_w0.cmd = ELS_EDC;
tlv = edc_rsp->desc;
lpfc_format_edc_cgn_desc(phba, tlv);
tlv = fc_tlv_next_desc(tlv);
if (lft_desc_size)
lpfc_format_edc_lft_desc(phba, tlv);
lpfc_debugfs_disc_trc(vport, LPFC_DISC_TRC_ELS_RSP,
"Issue EDC ACC: did:x%x flg:x%x refcnt %d",
@ -9082,7 +9137,7 @@ lpfc_els_rcv_edc(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
uint32_t *ptr, dtag;
const char *dtag_nm;
int desc_cnt = 0, bytes_remain;
bool rcv_cap_desc = false;
struct fc_diag_lnkflt_desc *plnkflt;
payload = cmdiocb->cmd_dmabuf->virt;
@ -9090,7 +9145,8 @@ lpfc_els_rcv_edc(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
bytes_remain = be32_to_cpu(edc_req->desc_len);
ptr = (uint32_t *)payload;
lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS | LOG_CGN_MGMT,
lpfc_printf_vlog(vport, KERN_INFO,
LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT,
"3319 Rcv EDC payload len %d: x%x x%x x%x\n",
bytes_remain, be32_to_cpu(*ptr),
be32_to_cpu(*(ptr + 1)), be32_to_cpu(*(ptr + 2)));
@ -9109,9 +9165,10 @@ lpfc_els_rcv_edc(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
* cycle through EDC diagnostic descriptors to find the
* congestion signaling capability descriptor
*/
while (bytes_remain && !rcv_cap_desc) {
while (bytes_remain) {
if (bytes_remain < FC_TLV_DESC_HDR_SZ) {
lpfc_printf_log(phba, KERN_WARNING, LOG_CGN_MGMT,
lpfc_printf_log(phba, KERN_WARNING,
LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT,
"6464 Truncated TLV hdr on "
"Diagnostic descriptor[%d]\n",
desc_cnt);
@ -9124,16 +9181,27 @@ lpfc_els_rcv_edc(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
if (bytes_remain < FC_TLV_DESC_SZ_FROM_LENGTH(tlv) ||
FC_TLV_DESC_SZ_FROM_LENGTH(tlv) !=
sizeof(struct fc_diag_lnkflt_desc)) {
lpfc_printf_log(
phba, KERN_WARNING, LOG_CGN_MGMT,
lpfc_printf_log(phba, KERN_WARNING,
LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT,
"6465 Truncated Link Fault Diagnostic "
"descriptor[%d]: %d vs 0x%zx 0x%zx\n",
desc_cnt, bytes_remain,
FC_TLV_DESC_SZ_FROM_LENGTH(tlv),
sizeof(struct fc_diag_cg_sig_desc));
sizeof(struct fc_diag_lnkflt_desc));
goto out;
}
/* No action for Link Fault descriptor for now */
plnkflt = (struct fc_diag_lnkflt_desc *)tlv;
lpfc_printf_log(phba, KERN_INFO,
LOG_ELS | LOG_LDS_EVENT,
"4626 Link Fault Desc Data: x%08x len x%x "
"da x%x dd x%x interval x%x\n",
be32_to_cpu(plnkflt->desc_tag),
be32_to_cpu(plnkflt->desc_len),
be32_to_cpu(
plnkflt->degrade_activate_threshold),
be32_to_cpu(
plnkflt->degrade_deactivate_threshold),
be32_to_cpu(plnkflt->fec_degrade_interval));
break;
case ELS_DTAG_CG_SIGNAL_CAP:
if (bytes_remain < FC_TLV_DESC_SZ_FROM_LENGTH(tlv) ||
@ -9160,11 +9228,11 @@ lpfc_els_rcv_edc(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
lpfc_least_capable_settings(
phba, (struct fc_diag_cg_sig_desc *)tlv);
rcv_cap_desc = true;
break;
default:
dtag_nm = lpfc_get_tlv_dtag_nm(dtag);
lpfc_printf_log(phba, KERN_WARNING, LOG_CGN_MGMT,
lpfc_printf_log(phba, KERN_WARNING,
LOG_ELS | LOG_CGN_MGMT | LOG_LDS_EVENT,
"6467 unknown Diagnostic "
"Descriptor[%d]: tag x%x (%s)\n",
desc_cnt, dtag, dtag_nm);

10
drivers/scsi/lpfc/lpfc_hbadisc.c
View File

@ -1242,6 +1242,8 @@ lpfc_linkdown(struct lpfc_hba *phba)
phba->trunk_link.link1.state = 0;
phba->trunk_link.link2.state = 0;
phba->trunk_link.link3.state = 0;
phba->trunk_link.phy_lnk_speed =
LPFC_LINK_SPEED_UNKNOWN;
phba->sli4_hba.link_state.logical_speed =
LPFC_LINK_SPEED_UNKNOWN;
}
@ -3794,6 +3796,9 @@ lpfc_mbx_cmpl_read_topology(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
if (phba->cmf_active_mode != LPFC_CFG_OFF)
lpfc_cmf_signal_init(phba);
if (phba->lmt & LMT_64Gb)
lpfc_read_lds_params(phba);
} else if (attn_type == LPFC_ATT_LINK_DOWN ||
attn_type == LPFC_ATT_UNEXP_WWPN) {
phba->fc_stat.LinkDown++;
@ -4393,8 +4398,11 @@ out:
rc = lpfc_issue_els_edc(vport, 0);
lpfc_printf_log(phba, KERN_INFO,
LOG_INIT | LOG_ELS | LOG_DISCOVERY,
"4220 EDC issue error x%x, Data: x%x\n",
"4220 Issue EDC status x%x Data x%x\n",
rc, phba->cgn_init_reg_signal);
} else if (phba->lmt & LMT_64Gb) {
/* may send link fault capability descriptor */
lpfc_issue_els_edc(vport, 0);
} else {
lpfc_issue_els_rdf(vport, 0);
}

30
drivers/scsi/lpfc/lpfc_hw4.h
View File

@ -3484,9 +3484,10 @@ struct lpfc_sli4_parameters {
#define LPFC_SET_UE_RECOVERY 0x10
#define LPFC_SET_MDS_DIAGS 0x12
#define LPFC_SET_CGN_SIGNAL 0x1f
#define LPFC_SET_DUAL_DUMP 0x1e
#define LPFC_SET_CGN_SIGNAL 0x1f
#define LPFC_SET_ENABLE_MI 0x21
#define LPFC_SET_LD_SIGNAL 0x23
#define LPFC_SET_ENABLE_CMF 0x24
struct lpfc_mbx_set_feature {
struct mbox_header header;
@ -3517,13 +3518,17 @@ struct lpfc_mbx_set_feature {
#define lpfc_mbx_set_feature_cmf_SHIFT 0
#define lpfc_mbx_set_feature_cmf_MASK 0x00000001
#define lpfc_mbx_set_feature_cmf_WORD word6
#define lpfc_mbx_set_feature_lds_qry_SHIFT 0
#define lpfc_mbx_set_feature_lds_qry_MASK 0x00000001
#define lpfc_mbx_set_feature_lds_qry_WORD word6
#define LPFC_QUERY_LDS_OP 1
#define lpfc_mbx_set_feature_mi_SHIFT 0
#define lpfc_mbx_set_feature_mi_MASK 0x0000ffff
#define lpfc_mbx_set_feature_mi_WORD word6
#define lpfc_mbx_set_feature_milunq_SHIFT 16
#define lpfc_mbx_set_feature_milunq_MASK 0x0000ffff
#define lpfc_mbx_set_feature_milunq_WORD word6
uint32_t word7;
u32 word7;
#define lpfc_mbx_set_feature_UERP_SHIFT 0
#define lpfc_mbx_set_feature_UERP_MASK 0x0000ffff
#define lpfc_mbx_set_feature_UERP_WORD word7
@ -3537,6 +3542,8 @@ struct lpfc_mbx_set_feature {
#define lpfc_mbx_set_feature_CGN_acqe_freq_SHIFT 0
#define lpfc_mbx_set_feature_CGN_acqe_freq_MASK 0x000000ff
#define lpfc_mbx_set_feature_CGN_acqe_freq_WORD word8
u32 word9;
u32 word10;
};
@ -4314,7 +4321,7 @@ struct lpfc_acqe_cgn_signal {
struct lpfc_acqe_sli {
uint32_t event_data1;
uint32_t event_data2;
uint32_t reserved;
uint32_t event_data3;
uint32_t trailer;
#define LPFC_SLI_EVENT_TYPE_PORT_ERROR 0x1
#define LPFC_SLI_EVENT_TYPE_OVER_TEMP 0x2
@ -4327,6 +4334,7 @@ struct lpfc_acqe_sli {
#define LPFC_SLI_EVENT_TYPE_MISCONF_FAWWN 0xF
#define LPFC_SLI_EVENT_TYPE_EEPROM_FAILURE 0x10
#define LPFC_SLI_EVENT_TYPE_CGN_SIGNAL 0x11
#define LPFC_SLI_EVENT_TYPE_RD_SIGNAL 0x12
};
/*
@ -5050,22 +5058,6 @@ struct lpfc_grp_hdr {
{ FPIN_CONGN_SEVERITY_ERROR, "Alarm" }, \
}
/* EDC supports two descriptors. When allocated, it is the
* size of this structure plus each supported descriptor.
*/
struct lpfc_els_edc_req {
struct fc_els_edc edc; /* hdr up to descriptors */
struct fc_diag_cg_sig_desc cgn_desc; /* 1st descriptor */
};
/* Minimum structure defines for the EDC response.
* Balance is in buffer.
*/
struct lpfc_els_edc_rsp {
struct fc_els_edc_resp edc_rsp; /* hdr up to descriptors */
struct fc_diag_cg_sig_desc cgn_desc; /* 1st descriptor */
};
/* Used for logging FPIN messages */
#define LPFC_FPIN_WWPN_LINE_SZ 128
#define LPFC_FPIN_WWPN_LINE_CNT 6

26
drivers/scsi/lpfc/lpfc_init.c
View File

@ -6185,6 +6185,7 @@ lpfc_update_trunk_link_status(struct lpfc_hba *phba,
{
uint8_t port_fault = bf_get(lpfc_acqe_fc_la_trunk_linkmask, acqe_fc);
uint8_t err = bf_get(lpfc_acqe_fc_la_trunk_fault, acqe_fc);
u8 cnt = 0;
phba->sli4_hba.link_state.speed =
lpfc_sli4_port_speed_parse(phba, LPFC_TRAILER_CODE_FC,
@ -6203,26 +6204,36 @@ lpfc_update_trunk_link_status(struct lpfc_hba *phba,
bf_get(lpfc_acqe_fc_la_trunk_link_status_port0, acqe_fc)
? LPFC_LINK_UP : LPFC_LINK_DOWN;
phba->trunk_link.link0.fault = port_fault & 0x1 ? err : 0;
cnt++;
}
if (bf_get(lpfc_acqe_fc_la_trunk_config_port1, acqe_fc)) {
phba->trunk_link.link1.state =
bf_get(lpfc_acqe_fc_la_trunk_link_status_port1, acqe_fc)
? LPFC_LINK_UP : LPFC_LINK_DOWN;
phba->trunk_link.link1.fault = port_fault & 0x2 ? err : 0;
cnt++;
}
if (bf_get(lpfc_acqe_fc_la_trunk_config_port2, acqe_fc)) {
phba->trunk_link.link2.state =
bf_get(lpfc_acqe_fc_la_trunk_link_status_port2, acqe_fc)
? LPFC_LINK_UP : LPFC_LINK_DOWN;
phba->trunk_link.link2.fault = port_fault & 0x4 ? err : 0;
cnt++;
}
if (bf_get(lpfc_acqe_fc_la_trunk_config_port3, acqe_fc)) {
phba->trunk_link.link3.state =
bf_get(lpfc_acqe_fc_la_trunk_link_status_port3, acqe_fc)
? LPFC_LINK_UP : LPFC_LINK_DOWN;
phba->trunk_link.link3.fault = port_fault & 0x8 ? err : 0;
cnt++;
}
if (cnt)
phba->trunk_link.phy_lnk_speed =
phba->sli4_hba.link_state.logical_speed / (cnt * 1000);
else
phba->trunk_link.phy_lnk_speed = LPFC_LINK_SPEED_UNKNOWN;
lpfc_printf_log(phba, KERN_ERR, LOG_TRACE_EVENT,
"2910 Async FC Trunking Event - Speed:%d\n"
"\tLogical speed:%d "
@ -6300,7 +6311,7 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
if (bf_get(lpfc_acqe_fc_la_att_type, acqe_fc) ==
LPFC_FC_LA_TYPE_LINK_DOWN)
phba->sli4_hba.link_state.logical_speed = 0;
else if (!phba->sli4_hba.conf_trunk)
else if (!phba->sli4_hba.conf_trunk)
phba->sli4_hba.link_state.logical_speed =
bf_get(lpfc_acqe_fc_la_llink_spd, acqe_fc) * 10;
@ -6418,7 +6429,7 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
"2901 Async SLI event - Type:%d, Event Data: x%08x "
"x%08x x%08x x%08x\n", evt_type,
acqe_sli->event_data1, acqe_sli->event_data2,
acqe_sli->reserved, acqe_sli->trailer);
acqe_sli->event_data3, acqe_sli->trailer);
port_name = phba->Port[0];
if (port_name == 0x00)
@ -6447,7 +6458,7 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
temp_event_data.event_code = LPFC_NORMAL_TEMP;
temp_event_data.data = (uint32_t)acqe_sli->event_data1;
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
lpfc_printf_log(phba, KERN_INFO, LOG_SLI | LOG_LDS_EVENT,
"3191 Normal Temperature:%d Celsius - Port Name %c\n",
acqe_sli->event_data1, port_name);
@ -6625,6 +6636,15 @@ lpfc_sli4_async_sli_evt(struct lpfc_hba *phba, struct lpfc_acqe_sli *acqe_sli)
}
}
break;
case LPFC_SLI_EVENT_TYPE_RD_SIGNAL:
/* May be accompanied by a temperature event */
lpfc_printf_log(phba, KERN_INFO,
LOG_SLI | LOG_LINK_EVENT | LOG_LDS_EVENT,
"2902 Remote Degrade Signaling: x%08x x%08x "
"x%08x\n",
acqe_sli->event_data1, acqe_sli->event_data2,
acqe_sli->event_data3);
break;
default:
lpfc_printf_log(phba, KERN_INFO, LOG_SLI,
"3193 Unrecognized SLI event, type: 0x%x",

2
drivers/scsi/lpfc/lpfc_logmsg.h
View File

@ -35,7 +35,7 @@
#define LOG_FCP_ERROR 0x00001000 /* log errors, not underruns */
#define LOG_LIBDFC 0x00002000 /* Libdfc events */
#define LOG_VPORT 0x00004000 /* NPIV events */
#define LOG_SECURITY 0x00008000 /* Security events */
#define LOG_LDS_EVENT 0x00008000 /* Link Degrade Signaling events */
#define LOG_EVENT 0x00010000 /* CT,TEMP,DUMP, logging */
#define LOG_FIP 0x00020000 /* FIP events */
#define LOG_FCP_UNDER 0x00040000 /* FCP underruns errors */

63
drivers/scsi/lpfc/lpfc_sli.c
View File

@ -6830,8 +6830,13 @@ lpfc_set_features(struct lpfc_hba *phba, LPFC_MBOXQ_t *mbox,
bf_set(lpfc_mbx_set_feature_mi, &mbox->u.mqe.un.set_feature,
phba->sli4_hba.pc_sli4_params.mi_ver);
break;
case LPFC_SET_LD_SIGNAL:
mbox->u.mqe.un.set_feature.feature = LPFC_SET_LD_SIGNAL;
mbox->u.mqe.un.set_feature.param_len = 16;
bf_set(lpfc_mbx_set_feature_lds_qry,
&mbox->u.mqe.un.set_feature, LPFC_QUERY_LDS_OP);
break;
case LPFC_SET_ENABLE_CMF:
bf_set(lpfc_mbx_set_feature_dd, &mbox->u.mqe.un.set_feature, 1);
mbox->u.mqe.un.set_feature.feature = LPFC_SET_ENABLE_CMF;
mbox->u.mqe.un.set_feature.param_len = 4;
bf_set(lpfc_mbx_set_feature_cmf,
@ -7826,6 +7831,62 @@ lpfc_post_rq_buffer(struct lpfc_hba *phba, struct lpfc_queue *hrq,
return 1;
}
static void
lpfc_mbx_cmpl_read_lds_params(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
union lpfc_sli4_cfg_shdr *shdr;
u32 shdr_status, shdr_add_status;
shdr = (union lpfc_sli4_cfg_shdr *)
&pmb->u.mqe.un.sli4_config.header.cfg_shdr;
shdr_status = bf_get(lpfc_mbox_hdr_status, &shdr->response);
shdr_add_status = bf_get(lpfc_mbox_hdr_add_status, &shdr->response);
if (shdr_status || shdr_add_status || pmb->u.mb.mbxStatus) {
lpfc_printf_log(phba, KERN_INFO, LOG_LDS_EVENT | LOG_MBOX,
"4622 SET_FEATURE (x%x) mbox failed, "
"status x%x add_status x%x, mbx status x%x\n",
LPFC_SET_LD_SIGNAL, shdr_status,
shdr_add_status, pmb->u.mb.mbxStatus);
phba->degrade_activate_threshold = 0;
phba->degrade_deactivate_threshold = 0;
phba->fec_degrade_interval = 0;
goto out;
}
phba->degrade_activate_threshold = pmb->u.mqe.un.set_feature.word7;
phba->degrade_deactivate_threshold = pmb->u.mqe.un.set_feature.word8;
phba->fec_degrade_interval = pmb->u.mqe.un.set_feature.word10;
lpfc_printf_log(phba, KERN_INFO, LOG_LDS_EVENT,
"4624 Success: da x%x dd x%x interval x%x\n",
phba->degrade_activate_threshold,
phba->degrade_deactivate_threshold,
phba->fec_degrade_interval);
out:
mempool_free(pmb, phba->mbox_mem_pool);
}
int
lpfc_read_lds_params(struct lpfc_hba *phba)
{
LPFC_MBOXQ_t *mboxq;
int rc;
mboxq = (LPFC_MBOXQ_t *)mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mboxq)
return -ENOMEM;
lpfc_set_features(phba, mboxq, LPFC_SET_LD_SIGNAL);
mboxq->vport = phba->pport;
mboxq->mbox_cmpl = lpfc_mbx_cmpl_read_lds_params;
rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
mempool_free(mboxq, phba->mbox_mem_pool);
return -EIO;
}
return 0;
}
static void
lpfc_mbx_cmpl_cgn_set_ftrs(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{