lpfc 8.3.0 : Rework RSCN netlink event to send entire RSCN payload
Rework RSCN netlink event to send entire RSCN payload
Also replaces (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX) with
LPFC_NL_VENDOR_ID
Signed-off-by: James Smart <James.Smart@xxxxxxxxxx>
---
drivers/scsi/lpfc/lpfc_els.c | 122 ++++++++++++++++++++++++++++++++------
drivers/scsi/lpfc/lpfc_hbadisc.c | 2 -
drivers/scsi/lpfc/lpfc_hw.h | 3 +
drivers/scsi/lpfc/lpfc_init.c | 5 +-
drivers/scsi/lpfc/lpfc_nl.h | 14 ++++
drivers/scsi/lpfc/lpfc_scsi.c | 4 +
drivers/scsi/lpfc/lpfc_sli.c | 2 -
7 files changed, 126 insertions(+), 26 deletions(-)
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -3887,6 +3887,49 @@ lpfc_rscn_recovery_check(struct lpfc_vport *vport)
}
/**
+ * lpfc_send_rscn_event: Send an RSCN event to management application.
+ * @vport: pointer to a host virtual N_Port data structure.
+ * @cmdiocb: pointer to lpfc command iocb data structure.
+ *
+ * lpfc_send_rscn_event sends an RSCN netlink event to management
+ * applications.
+ */
+static void
+lpfc_send_rscn_event(struct lpfc_vport *vport,
+ struct lpfc_iocbq *cmdiocb)
+{
+ struct lpfc_dmabuf *pcmd;
+ struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
+ uint32_t *payload_ptr;
+ uint32_t payload_len;
+ struct lpfc_rscn_event_header *rscn_event_data;
+
+ pcmd = (struct lpfc_dmabuf *) cmdiocb->context2;
+ payload_ptr = (uint32_t *) pcmd->virt;
+ payload_len = be32_to_cpu(*payload_ptr & ~ELS_CMD_MASK);
+
+ rscn_event_data = kmalloc(sizeof(struct lpfc_rscn_event_header) +
+ payload_len, GFP_KERNEL);
+ if (!rscn_event_data) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "0147 Failed to allocate memory for RSCN event\n");
+ return;
+ }
+ rscn_event_data->event_type = FC_REG_RSCN_EVENT;
+ rscn_event_data->payload_length = payload_len;
+ memcpy(rscn_event_data->rscn_payload, payload_ptr,
+ payload_len);
+
+ fc_host_post_vendor_event(shost,
+ fc_get_event_number(),
+ sizeof(struct lpfc_els_event_header) + payload_len,
+ (char *)rscn_event_data,
+ LPFC_NL_VENDOR_ID);
+
+ kfree(rscn_event_data);
+}
+
+/**
* lpfc_els_rcv_rscn: Process an unsolicited rscn iocb.
* @vport: pointer to a host virtual N_Port data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
@@ -3933,6 +3976,10 @@ lpfc_els_rcv_rscn(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
"0214 RSCN received Data: x%x x%x x%x x%x\n",
vport->fc_flag, payload_len, *lp,
vport->fc_rscn_id_cnt);
+
+ /* Send an RSCN event to the management application */
+ lpfc_send_rscn_event(vport, cmdiocb);
+
for (i = 0; i < payload_len/sizeof(uint32_t); i++)
fc_host_post_event(shost, fc_get_event_number(),
FCH_EVT_RSCN, lp[i]);
@@ -5128,7 +5175,7 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba,
fc_get_event_number(),
sizeof(lsrjt_event),
(char *)&lsrjt_event,
- SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+ LPFC_NL_VENDOR_ID);
return;
}
if ((rspiocbp->iocb.ulpStatus == IOSTAT_NPORT_BSY) ||
@@ -5146,7 +5193,7 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba,
fc_get_event_number(),
sizeof(fabric_event),
(char *)&fabric_event,
- SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+ LPFC_NL_VENDOR_ID);
return;
}
@@ -5164,32 +5211,68 @@ lpfc_send_els_failure_event(struct lpfc_hba *phba,
static void
lpfc_send_els_event(struct lpfc_vport *vport,
struct lpfc_nodelist *ndlp,
- uint32_t cmd)
+ uint32_t *payload)
{
- struct lpfc_els_event_header els_data;
+ struct lpfc_els_event_header *els_data = NULL;
+ struct lpfc_logo_event *logo_data = NULL;
struct Scsi_Host *shost = lpfc_shost_from_vport(vport);
- els_data.event_type = FC_REG_ELS_EVENT;
- switch (cmd) {
+ if (*payload == ELS_CMD_LOGO) {
+ logo_data = kmalloc(sizeof(struct lpfc_logo_event), GFP_KERNEL);
+ if (!logo_data) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "0148 Failed to allocate memory "
+ "for LOGO event\n");
+ return;
+ }
+ els_data = &logo_data->header;
+ } else {
+ els_data = kmalloc(sizeof(struct lpfc_els_event_header),
+ GFP_KERNEL);
+ if (!els_data) {
+ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS,
+ "0149 Failed to allocate memory "
+ "for ELS event\n");
+ return;
+ }
+ }
+ els_data->event_type = FC_REG_ELS_EVENT;
+ switch (*payload) {
case ELS_CMD_PLOGI:
- els_data.subcategory = LPFC_EVENT_PLOGI_RCV;
+ els_data->subcategory = LPFC_EVENT_PLOGI_RCV;
break;
case ELS_CMD_PRLO:
- els_data.subcategory = LPFC_EVENT_PRLO_RCV;
+ els_data->subcategory = LPFC_EVENT_PRLO_RCV;
break;
case ELS_CMD_ADISC:
- els_data.subcategory = LPFC_EVENT_ADISC_RCV;
+ els_data->subcategory = LPFC_EVENT_ADISC_RCV;
+ break;
+ case ELS_CMD_LOGO:
+ els_data->subcategory = LPFC_EVENT_LOGO_RCV;
+ /* Copy the WWPN in the LOGO payload */
+ memcpy(logo_data->logo_wwpn, &payload[2],
+ sizeof(struct lpfc_name));
break;
default:
return;
}
- memcpy(els_data.wwpn, &ndlp->nlp_portname, sizeof(struct lpfc_name));
- memcpy(els_data.wwnn, &ndlp->nlp_nodename, sizeof(struct lpfc_name));
- fc_host_post_vendor_event(shost,
- fc_get_event_number(),
- sizeof(els_data),
- (char *)&els_data,
- SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+ memcpy(els_data->wwpn, &ndlp->nlp_portname, sizeof(struct lpfc_name));
+ memcpy(els_data->wwnn, &ndlp->nlp_nodename, sizeof(struct lpfc_name));
+ if (*payload == ELS_CMD_LOGO) {
+ fc_host_post_vendor_event(shost,
+ fc_get_event_number(),
+ sizeof(struct lpfc_logo_event),
+ (char *)logo_data,
+ LPFC_NL_VENDOR_ID);
+ kfree(logo_data);
+ } else {
+ fc_host_post_vendor_event(shost,
+ fc_get_event_number(),
+ sizeof(struct lpfc_els_event_header),
+ (char *)els_data,
+ LPFC_NL_VENDOR_ID);
+ kfree(els_data);
+ }
return;
}
@@ -5296,7 +5379,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
phba->fc_stat.elsRcvPLOGI++;
ndlp = lpfc_plogi_confirm_nport(phba, payload, ndlp);
- lpfc_send_els_event(vport, ndlp, cmd);
+ lpfc_send_els_event(vport, ndlp, payload);
if (vport->port_state < LPFC_DISC_AUTH) {
if (!(phba->pport->fc_flag & FC_PT2PT) ||
(phba->pport->fc_flag & FC_PT2PT_PLOGI)) {
@@ -5334,6 +5417,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
did, vport->port_state, ndlp->nlp_flag);
phba->fc_stat.elsRcvLOGO++;
+ lpfc_send_els_event(vport, ndlp, payload);
if (vport->port_state < LPFC_DISC_AUTH) {
rjt_err = LSRJT_UNABLE_TPC;
break;
@@ -5346,7 +5430,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
did, vport->port_state, ndlp->nlp_flag);
phba->fc_stat.elsRcvPRLO++;
- lpfc_send_els_event(vport, ndlp, cmd);
+ lpfc_send_els_event(vport, ndlp, payload);
if (vport->port_state < LPFC_DISC_AUTH) {
rjt_err = LSRJT_UNABLE_TPC;
break;
@@ -5364,7 +5448,7 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
"RCV ADISC: did:x%x/ste:x%x flg:x%x",
did, vport->port_state, ndlp->nlp_flag);
- lpfc_send_els_event(vport, ndlp, cmd);
+ lpfc_send_els_event(vport, ndlp, payload);
phba->fc_stat.elsRcvADISC++;
if (vport->port_state < LPFC_DISC_AUTH) {
rjt_err = LSRJT_UNABLE_TPC;
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -387,7 +387,7 @@ lpfc_send_fastpath_evt(struct lpfc_hba *phba,
fc_get_event_number(),
evt_data_size,
evt_data,
- SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+ LPFC_NL_VENDOR_ID);
lpfc_free_fast_evt(phba, fast_evt_data);
return;
--- a/drivers/scsi/lpfc/lpfc_hw.h
+++ b/drivers/scsi/lpfc/lpfc_hw.h
@@ -65,6 +65,9 @@
#define SLI3_IOCB_RSP_SIZE 64
+/* vendor ID used in SCSI netlink calls */
+#define LPFC_NL_VENDOR_ID (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX)
+
/* Common Transport structures and definitions */
union CtRevisionId {
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -833,8 +833,7 @@ lpfc_handle_eratt(struct lpfc_hba *phba)
fc_host_post_vendor_event(shost, fc_get_event_number(),
sizeof(board_event),
(char *) &board_event,
- SCSI_NL_VID_TYPE_PCI
- | PCI_VENDOR_ID_EMULEX);
+ LPFC_NL_VENDOR_ID);
if (phba->work_hs & HS_FFER6) {
/* Re-establishing Link */
@@ -2646,7 +2645,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
fc_host_post_vendor_event(shost, fc_get_event_number(),
sizeof(adapter_event),
(char *) &adapter_event,
- SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+ LPFC_NL_VENDOR_ID);
scsi_scan_host(shost);
--- a/drivers/scsi/lpfc/lpfc_nl.h
+++ b/drivers/scsi/lpfc/lpfc_nl.h
@@ -52,6 +52,13 @@
* The payload sent via the fc transport is one-way driver->application.
*/
+/* RSCN event header */
+struct lpfc_rscn_event_header {
+ uint32_t event_type;
+ uint32_t payload_length; /* RSCN data length in bytes */
+ uint32_t rscn_payload[];
+};
+
/* els event header */
struct lpfc_els_event_header {
uint32_t event_type;
@@ -65,6 +72,7 @@ struct lpfc_els_event_header {
#define LPFC_EVENT_PRLO_RCV 0x02
#define LPFC_EVENT_ADISC_RCV 0x04
#define LPFC_EVENT_LSRJT_RCV 0x08
+#define LPFC_EVENT_LOGO_RCV 0x10
/* special els lsrjt event */
struct lpfc_lsrjt_event {
@@ -74,6 +82,11 @@ struct lpfc_lsrjt_event {
uint32_t explanation;
};
+/* special els logo event */
+struct lpfc_logo_event {
+ struct lpfc_els_event_header header;
+ uint8_t logo_wwpn[8];
+};
/* fabric event header */
struct lpfc_fabric_event_header {
@@ -125,6 +138,7 @@ struct lpfc_scsi_varqueuedepth_event {
/* special case scsi check condition event */
struct lpfc_scsi_check_condition_event {
struct lpfc_scsi_event_header scsi_event;
+ uint8_t opcode;
uint8_t sense_key;
uint8_t asc;
uint8_t ascq;
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -1560,7 +1560,7 @@ lpfc_device_reset_handler(struct scsi_cmnd *cmnd)
fc_get_event_number(),
sizeof(scsi_event),
(char *)&scsi_event,
- SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+ LPFC_NL_VENDOR_ID);
if (!rdata || pnode->nlp_state != NLP_STE_MAPPED_NODE) {
lpfc_printf_vlog(vport, KERN_ERR, LOG_FCP,
@@ -1657,7 +1657,7 @@ lpfc_bus_reset_handler(struct scsi_cmnd *cmnd)
fc_get_event_number(),
sizeof(scsi_event),
(char *)&scsi_event,
- SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+ LPFC_NL_VENDOR_ID);
lpfc_block_error_handler(cmnd);
/*
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -4005,7 +4005,7 @@ lpfc_sli_async_event_handler(struct lpfc_hba * phba,
shost = lpfc_shost_from_vport(phba->pport);
fc_host_post_vendor_event(shost, fc_get_event_number(),
sizeof(temp_event_data), (char *) &temp_event_data,
- SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX);
+ LPFC_NL_VENDOR_ID);
}
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