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path: root/drivers/scsi/lpfc/lpfc_attr.c
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Diffstat (limited to 'drivers/scsi/lpfc/lpfc_attr.c')
-rw-r--r--drivers/scsi/lpfc/lpfc_attr.c247
1 files changed, 231 insertions, 16 deletions
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index eb88aaaf36eb..b35bf70a8c0d 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -57,6 +57,8 @@
#define LPFC_MIN_DEVLOSS_TMO 1
#define LPFC_MAX_DEVLOSS_TMO 255
+#define LPFC_MAX_INFO_TMP_LEN 100
+#define LPFC_INFO_MORE_STR "\nCould be more info...\n"
/*
* Write key size should be multiple of 4. If write key is changed
* make sure that library write key is also changed.
@@ -112,6 +114,186 @@ lpfc_jedec_to_ascii(int incr, char hdw[])
return;
}
+static ssize_t
+lpfc_cmf_info_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ struct Scsi_Host *shost = class_to_shost(dev);
+ struct lpfc_vport *vport = (struct lpfc_vport *)shost->hostdata;
+ struct lpfc_hba *phba = vport->phba;
+ struct lpfc_cgn_info *cp = NULL;
+ struct lpfc_cgn_stat *cgs;
+ int len = 0;
+ int cpu;
+ u64 rcv, total;
+ char tmp[LPFC_MAX_INFO_TMP_LEN] = {0};
+
+ if (phba->cgn_i)
+ cp = (struct lpfc_cgn_info *)phba->cgn_i->virt;
+
+ scnprintf(tmp, sizeof(tmp),
+ "Congestion Mgmt Info: E2Eattr %d Ver %d "
+ "CMF %d cnt %d\n",
+ phba->sli4_hba.pc_sli4_params.mi_ver,
+ cp ? cp->cgn_info_version : 0,
+ phba->sli4_hba.pc_sli4_params.cmf, phba->cmf_timer_cnt);
+
+ if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+ goto buffer_done;
+
+ if (!phba->sli4_hba.pc_sli4_params.cmf)
+ goto buffer_done;
+
+ switch (phba->cgn_init_reg_signal) {
+ case EDC_CG_SIG_WARN_ONLY:
+ scnprintf(tmp, sizeof(tmp),
+ "Register: Init: Signal:WARN ");
+ break;
+ case EDC_CG_SIG_WARN_ALARM:
+ scnprintf(tmp, sizeof(tmp),
+ "Register: Init: Signal:WARN|ALARM ");
+ break;
+ default:
+ scnprintf(tmp, sizeof(tmp),
+ "Register: Init: Signal:NONE ");
+ break;
+ }
+ if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+ goto buffer_done;
+
+ switch (phba->cgn_init_reg_fpin) {
+ case LPFC_CGN_FPIN_WARN:
+ scnprintf(tmp, sizeof(tmp),
+ "FPIN:WARN\n");
+ break;
+ case LPFC_CGN_FPIN_ALARM:
+ scnprintf(tmp, sizeof(tmp),
+ "FPIN:ALARM\n");
+ break;
+ case LPFC_CGN_FPIN_BOTH:
+ scnprintf(tmp, sizeof(tmp),
+ "FPIN:WARN|ALARM\n");
+ break;
+ default:
+ scnprintf(tmp, sizeof(tmp),
+ "FPIN:NONE\n");
+ break;
+ }
+ if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+ goto buffer_done;
+
+ switch (phba->cgn_reg_signal) {
+ case EDC_CG_SIG_WARN_ONLY:
+ scnprintf(tmp, sizeof(tmp),
+ " Current: Signal:WARN ");
+ break;
+ case EDC_CG_SIG_WARN_ALARM:
+ scnprintf(tmp, sizeof(tmp),
+ " Current: Signal:WARN|ALARM ");
+ break;
+ default:
+ scnprintf(tmp, sizeof(tmp),
+ " Current: Signal:NONE ");
+ break;
+ }
+ if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+ goto buffer_done;
+
+ switch (phba->cgn_reg_fpin) {
+ case LPFC_CGN_FPIN_WARN:
+ scnprintf(tmp, sizeof(tmp),
+ "FPIN:WARN ACQEcnt:%d\n", phba->cgn_acqe_cnt);
+ break;
+ case LPFC_CGN_FPIN_ALARM:
+ scnprintf(tmp, sizeof(tmp),
+ "FPIN:ALARM ACQEcnt:%d\n", phba->cgn_acqe_cnt);
+ break;
+ case LPFC_CGN_FPIN_BOTH:
+ scnprintf(tmp, sizeof(tmp),
+ "FPIN:WARN|ALARM ACQEcnt:%d\n", phba->cgn_acqe_cnt);
+ break;
+ default:
+ scnprintf(tmp, sizeof(tmp),
+ "FPIN:NONE ACQEcnt:%d\n", phba->cgn_acqe_cnt);
+ break;
+ }
+ if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+ goto buffer_done;
+
+ if (phba->cmf_active_mode != phba->cgn_p.cgn_param_mode) {
+ switch (phba->cmf_active_mode) {
+ case LPFC_CFG_OFF:
+ scnprintf(tmp, sizeof(tmp), "Active: Mode:Off\n");
+ break;
+ case LPFC_CFG_MANAGED:
+ scnprintf(tmp, sizeof(tmp), "Active: Mode:Managed\n");
+ break;
+ case LPFC_CFG_MONITOR:
+ scnprintf(tmp, sizeof(tmp), "Active: Mode:Monitor\n");
+ break;
+ default:
+ scnprintf(tmp, sizeof(tmp), "Active: Mode:Unknown\n");
+ }
+ if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+ goto buffer_done;
+ }
+
+ switch (phba->cgn_p.cgn_param_mode) {
+ case LPFC_CFG_OFF:
+ scnprintf(tmp, sizeof(tmp), "Config: Mode:Off ");
+ break;
+ case LPFC_CFG_MANAGED:
+ scnprintf(tmp, sizeof(tmp), "Config: Mode:Managed ");
+ break;
+ case LPFC_CFG_MONITOR:
+ scnprintf(tmp, sizeof(tmp), "Config: Mode:Monitor ");
+ break;
+ default:
+ scnprintf(tmp, sizeof(tmp), "Config: Mode:Unknown ");
+ }
+ if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+ goto buffer_done;
+
+ total = 0;
+ rcv = 0;
+ for_each_present_cpu(cpu) {
+ cgs = per_cpu_ptr(phba->cmf_stat, cpu);
+ total += atomic64_read(&cgs->total_bytes);
+ rcv += atomic64_read(&cgs->rcv_bytes);
+ }
+
+ scnprintf(tmp, sizeof(tmp),
+ "IObusy:%d Info:%d Bytes: Rcv:x%llx Total:x%llx\n",
+ atomic_read(&phba->cmf_busy),
+ phba->cmf_active_info, rcv, total);
+ if (strlcat(buf, tmp, PAGE_SIZE) >= PAGE_SIZE)
+ goto buffer_done;
+
+ scnprintf(tmp, sizeof(tmp),
+ "Port_speed:%d Link_byte_cnt:%ld "
+ "Max_byte_per_interval:%ld\n",
+ lpfc_sli_port_speed_get(phba),
+ (unsigned long)phba->cmf_link_byte_count,
+ (unsigned long)phba->cmf_max_bytes_per_interval);
+ strlcat(buf, tmp, PAGE_SIZE);
+
+buffer_done:
+ len = strnlen(buf, PAGE_SIZE);
+
+ if (unlikely(len >= (PAGE_SIZE - 1))) {
+ lpfc_printf_log(phba, KERN_INFO, LOG_CGN_MGMT,
+ "6312 Catching potential buffer "
+ "overflow > PAGE_SIZE = %lu bytes\n",
+ PAGE_SIZE);
+ strscpy(buf + PAGE_SIZE - 1 -
+ strnlen(LPFC_INFO_MORE_STR, PAGE_SIZE - 1),
+ LPFC_INFO_MORE_STR,
+ strnlen(LPFC_INFO_MORE_STR, PAGE_SIZE - 1)
+ + 1);
+ }
+ return len;
+}
+
/**
* lpfc_drvr_version_show - Return the Emulex driver string with version number
* @dev: class unused variable.
@@ -168,7 +350,7 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
char *statep;
int i;
int len = 0;
- char tmp[LPFC_MAX_NVME_INFO_TMP_LEN] = {0};
+ char tmp[LPFC_MAX_INFO_TMP_LEN] = {0};
if (!(vport->cfg_enable_fc4_type & LPFC_ENABLE_NVME)) {
len = scnprintf(buf, PAGE_SIZE, "NVME Disabled\n");
@@ -512,9 +694,9 @@ lpfc_nvme_info_show(struct device *dev, struct device_attribute *attr,
"6314 Catching potential buffer "
"overflow > PAGE_SIZE = %lu bytes\n",
PAGE_SIZE);
- strlcpy(buf + PAGE_SIZE - 1 - sizeof(LPFC_NVME_INFO_MORE_STR),
- LPFC_NVME_INFO_MORE_STR,
- sizeof(LPFC_NVME_INFO_MORE_STR) + 1);
+ strscpy(buf + PAGE_SIZE - 1 - sizeof(LPFC_INFO_MORE_STR),
+ LPFC_INFO_MORE_STR,
+ sizeof(LPFC_INFO_MORE_STR) + 1);
}
return len;
@@ -2248,11 +2430,6 @@ lpfc_sriov_hw_max_virtfn_show(struct device *dev,
return scnprintf(buf, PAGE_SIZE, "%d\n", max_nr_virtfn);
}
-static inline bool lpfc_rangecheck(uint val, uint min, uint max)
-{
- return val >= min && val <= max;
-}
-
/**
* lpfc_enable_bbcr_set: Sets an attribute value.
* @phba: pointer the the adapter structure.
@@ -2641,6 +2818,7 @@ static DEVICE_ATTR_RO(lpfc_sriov_hw_max_virtfn);
static DEVICE_ATTR(protocol, S_IRUGO, lpfc_sli4_protocol_show, NULL);
static DEVICE_ATTR(lpfc_xlane_supported, S_IRUGO, lpfc_oas_supported_show,
NULL);
+static DEVICE_ATTR(cmf_info, 0444, lpfc_cmf_info_show, NULL);
static char *lpfc_soft_wwn_key = "C99G71SL8032A";
#define WWN_SZ 8
@@ -4038,6 +4216,7 @@ lpfc_topology_store(struct device *dev, struct device_attribute *attr,
const char *val_buf = buf;
int err;
uint32_t prev_val;
+ u8 sli_family, if_type;
if (!strncmp(buf, "nolip ", strlen("nolip "))) {
nolip = 1;
@@ -4061,13 +4240,16 @@ lpfc_topology_store(struct device *dev, struct device_attribute *attr,
/*
* The 'topology' is not a configurable parameter if :
* - persistent topology enabled
- * - G7/G6 with no private loop support
+ * - ASIC_GEN_NUM >= 0xC, with no private loop support
*/
-
+ sli_family = bf_get(lpfc_sli_intf_sli_family,
+ &phba->sli4_hba.sli_intf);
+ if_type = bf_get(lpfc_sli_intf_if_type,
+ &phba->sli4_hba.sli_intf);
if ((phba->hba_flag & HBA_PERSISTENT_TOPO ||
- (!phba->sli4_hba.pc_sli4_params.pls &&
- (phba->pcidev->device == PCI_DEVICE_ID_LANCER_G6_FC ||
- phba->pcidev->device == PCI_DEVICE_ID_LANCER_G7_FC))) &&
+ (!phba->sli4_hba.pc_sli4_params.pls &&
+ (sli_family == LPFC_SLI_INTF_FAMILY_G6 ||
+ if_type == LPFC_SLI_INTF_IF_TYPE_6))) &&
val == 4) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT,
"3114 Loop mode not supported\n");
@@ -5412,9 +5594,9 @@ LPFC_VPORT_ATTR_R(fcp_class, 3, 2, 3,
/*
# lpfc_use_adisc: Use ADISC for FCP rediscovery instead of PLOGI. Value range
-# is [0,1]. Default value is 0.
+# is [0,1]. Default value is 1.
*/
-LPFC_VPORT_ATTR_RW(use_adisc, 0, 0, 1,
+LPFC_VPORT_ATTR_RW(use_adisc, 1, 0, 1,
"Use ADISC on rediscovery to authenticate FCP devices");
/*
@@ -6146,6 +6328,19 @@ LPFC_ATTR_RW(ras_fwlog_func, 0, 0, 7, "Firmware Logging Enabled on Function");
*/
LPFC_BBCR_ATTR_RW(enable_bbcr, 1, 0, 1, "Enable BBC Recovery");
+/* Signaling module parameters */
+int lpfc_fabric_cgn_frequency = 100; /* 100 ms default */
+module_param(lpfc_fabric_cgn_frequency, int, 0444);
+MODULE_PARM_DESC(lpfc_fabric_cgn_frequency, "Congestion signaling fabric freq");
+
+int lpfc_acqe_cgn_frequency = 10; /* 10 sec default */
+module_param(lpfc_acqe_cgn_frequency, int, 0444);
+MODULE_PARM_DESC(lpfc_acqe_cgn_frequency, "Congestion signaling ACQE freq");
+
+int lpfc_use_cgn_signal = 1; /* 0 - only use FPINs, 1 - Use signals if avail */
+module_param(lpfc_use_cgn_signal, int, 0444);
+MODULE_PARM_DESC(lpfc_use_cgn_signal, "Use Congestion signaling if available");
+
/*
* lpfc_enable_dpp: Enable DPP on G7
* 0 = DPP on G7 disabled
@@ -6320,6 +6515,7 @@ struct device_attribute *lpfc_hba_attrs[] = {
&dev_attr_lpfc_enable_bbcr,
&dev_attr_lpfc_enable_dpp,
&dev_attr_lpfc_enable_mi,
+ &dev_attr_cmf_info,
&dev_attr_lpfc_max_vmid,
&dev_attr_lpfc_vmid_inactivity_timeout,
&dev_attr_lpfc_vmid_app_header,
@@ -6350,6 +6546,7 @@ struct device_attribute *lpfc_vport_attrs[] = {
&dev_attr_lpfc_max_scsicmpl_time,
&dev_attr_lpfc_stat_data_ctrl,
&dev_attr_lpfc_static_vport,
+ &dev_attr_cmf_info,
NULL,
};
@@ -6741,6 +6938,9 @@ lpfc_get_host_speed(struct Scsi_Host *shost)
case LPFC_LINK_SPEED_128GHZ:
fc_host_speed(shost) = FC_PORTSPEED_128GBIT;
break;
+ case LPFC_LINK_SPEED_256GHZ:
+ fc_host_speed(shost) = FC_PORTSPEED_256GBIT;
+ break;
default:
fc_host_speed(shost) = FC_PORTSPEED_UNKNOWN;
break;
@@ -6908,6 +7108,9 @@ lpfc_get_stats(struct Scsi_Host *shost)
hs->invalid_crc_count = pmb->un.varRdLnk.crcCnt;
hs->error_frames = pmb->un.varRdLnk.crcCnt;
+ hs->cn_sig_warn = atomic64_read(&phba->cgn_acqe_stat.warn);
+ hs->cn_sig_alarm = atomic64_read(&phba->cgn_acqe_stat.alarm);
+
hs->link_failure_count -= lso->link_failure_count;
hs->loss_of_sync_count -= lso->loss_of_sync_count;
hs->loss_of_signal_count -= lso->loss_of_signal_count;
@@ -7019,6 +7222,12 @@ lpfc_reset_stats(struct Scsi_Host *shost)
else
lso->link_events = (phba->fc_eventTag >> 1);
+ atomic64_set(&phba->cgn_acqe_stat.warn, 0);
+ atomic64_set(&phba->cgn_acqe_stat.alarm, 0);
+
+ memset(&shost_to_fc_host(shost)->fpin_stats, 0,
+ sizeof(shost_to_fc_host(shost)->fpin_stats));
+
psli->stats_start = ktime_get_seconds();
mempool_free(pmboxq, phba->mbox_mem_pool);
@@ -7452,6 +7661,12 @@ lpfc_get_cfgparam(struct lpfc_hba *phba)
lpfc_enable_dpp_init(phba, lpfc_enable_dpp);
lpfc_enable_mi_init(phba, lpfc_enable_mi);
+ phba->cgn_p.cgn_param_mode = LPFC_CFG_OFF;
+ phba->cmf_active_mode = LPFC_CFG_OFF;
+ if (lpfc_fabric_cgn_frequency > EDC_CG_SIGFREQ_CNT_MAX ||
+ lpfc_fabric_cgn_frequency < EDC_CG_SIGFREQ_CNT_MIN)
+ lpfc_fabric_cgn_frequency = 100; /* 100 ms default */
+
if (phba->sli_rev != LPFC_SLI_REV4) {
/* NVME only supported on SLI4 */
phba->nvmet_support = 0;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.