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lpfc: Add support for ELS LCB. 

Also has a little whitespace fixing.

Signed-off-by: Dick Kennedy <dick.kennedy@avagotech.com>
Signed-off-by: James Smart <james.smart@avagotech.com>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
James Smart 2015-05-21 13:55:18 -04:00 committed by James Bottomley
parent 0290217ad8
commit 8b017a30a3
6 changed files with 306 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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

@ -230,6 +230,7 @@ struct lpfc_stats {
uint32_t elsRcvRRQ;
uint32_t elsRcvRTV;
uint32_t elsRcvECHO;
uint32_t elsRcvLCB;
uint32_t elsXmitFLOGI;
uint32_t elsXmitFDISC;
uint32_t elsXmitPLOGI;

239
drivers/scsi/lpfc/lpfc_els.c
View File

@ -4587,16 +4587,16 @@ lpfc_els_disc_plogi(struct lpfc_vport *vport)
if (!NLP_CHK_NODE_ACT(ndlp))
continue;
if (ndlp->nlp_state == NLP_STE_NPR_NODE &&
(ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 &&
(ndlp->nlp_flag & NLP_DELAY_TMO) == 0 &&
(ndlp->nlp_flag & NLP_NPR_ADISC) == 0) {
(ndlp->nlp_flag & NLP_NPR_2B_DISC) != 0 &&
(ndlp->nlp_flag & NLP_DELAY_TMO) == 0 &&
(ndlp->nlp_flag & NLP_NPR_ADISC) == 0) {
ndlp->nlp_prev_state = ndlp->nlp_state;
lpfc_nlp_set_state(vport, ndlp, NLP_STE_PLOGI_ISSUE);
lpfc_issue_els_plogi(vport, ndlp->nlp_DID, 0);
sentplogi++;
vport->num_disc_nodes++;
if (vport->num_disc_nodes >=
vport->cfg_discovery_threads) {
vport->cfg_discovery_threads) {
spin_lock_irq(shost->host_lock);
vport->fc_flag |= FC_NLP_MORE;
spin_unlock_irq(shost->host_lock);
@ -4615,6 +4615,233 @@ lpfc_els_disc_plogi(struct lpfc_vport *vport)
return sentplogi;
}
static void
lpfc_els_lcb_rsp(struct lpfc_hba *phba, LPFC_MBOXQ_t *pmb)
{
MAILBOX_t *mb;
IOCB_t *icmd;
uint8_t *pcmd;
struct lpfc_iocbq *elsiocb;
struct lpfc_nodelist *ndlp;
struct ls_rjt *stat;
struct lpfc_lcb_context *lcb_context;
struct fc_lcb_res_frame *lcb_res;
uint32_t cmdsize;
int rc;
mb = &pmb->u.mb;
lcb_context = (struct lpfc_lcb_context *)pmb->context1;
ndlp = lcb_context->ndlp;
pmb->context1 = NULL;
pmb->context2 = NULL;
if (mb->mbxStatus) {
mempool_free(pmb, phba->mbox_mem_pool);
goto error;
}
mempool_free(pmb, phba->mbox_mem_pool);
cmdsize = sizeof(struct fc_lcb_res_frame);
elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize,
lpfc_max_els_tries, ndlp,
ndlp->nlp_DID, ELS_CMD_ACC);
/* Decrement the ndlp reference count from previous mbox command */
lpfc_nlp_put(ndlp);
if (!elsiocb)
goto free_lcb_context;
lcb_res = (struct fc_lcb_res_frame *)
(((struct lpfc_dmabuf *)elsiocb->context2)->virt);
icmd = &elsiocb->iocb;
icmd->ulpContext = lcb_context->rx_id;
icmd->unsli3.rcvsli3.ox_id = lcb_context->ox_id;
pcmd = (uint8_t *)(((struct lpfc_dmabuf *)elsiocb->context2)->virt);
*((uint32_t *)(pcmd)) = ELS_CMD_ACC;
lcb_res->lcb_sub_command = lcb_context->sub_command;
lcb_res->lcb_type = lcb_context->type;
lcb_res->lcb_frequency = lcb_context->frequency;
elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
phba->fc_stat.elsXmitACC++;
rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
if (rc == IOCB_ERROR)
lpfc_els_free_iocb(phba, elsiocb);
kfree(lcb_context);
return;
error:
cmdsize = sizeof(struct fc_lcb_res_frame);
elsiocb = lpfc_prep_els_iocb(phba->pport, 0, cmdsize,
lpfc_max_els_tries, ndlp,
ndlp->nlp_DID, ELS_CMD_LS_RJT);
lpfc_nlp_put(ndlp);
if (!elsiocb)
goto free_lcb_context;
icmd = &elsiocb->iocb;
icmd->ulpContext = lcb_context->rx_id;
icmd->unsli3.rcvsli3.ox_id = lcb_context->ox_id;
pcmd = (uint8_t *)(((struct lpfc_dmabuf *)elsiocb->context2)->virt);
*((uint32_t *)(pcmd)) = ELS_CMD_LS_RJT;
stat = (struct ls_rjt *)(pcmd + sizeof(uint32_t));
stat->un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC;
elsiocb->iocb_cmpl = lpfc_cmpl_els_rsp;
phba->fc_stat.elsXmitLSRJT++;
rc = lpfc_sli_issue_iocb(phba, LPFC_ELS_RING, elsiocb, 0);
if (rc == IOCB_ERROR)
lpfc_els_free_iocb(phba, elsiocb);
free_lcb_context:
kfree(lcb_context);
}
static int
lpfc_sli4_set_beacon(struct lpfc_vport *vport,
struct lpfc_lcb_context *lcb_context,
uint32_t beacon_state)
{
struct lpfc_hba *phba = vport->phba;
LPFC_MBOXQ_t *mbox = NULL;
uint32_t len;
int rc;
mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL);
if (!mbox)
return 1;
len = sizeof(struct lpfc_mbx_set_beacon_config) -
sizeof(struct lpfc_sli4_cfg_mhdr);
lpfc_sli4_config(phba, mbox, LPFC_MBOX_SUBSYSTEM_COMMON,
LPFC_MBOX_OPCODE_SET_BEACON_CONFIG, len,
LPFC_SLI4_MBX_EMBED);
mbox->context1 = (void *)lcb_context;
mbox->vport = phba->pport;
mbox->mbox_cmpl = lpfc_els_lcb_rsp;
bf_set(lpfc_mbx_set_beacon_port_num, &mbox->u.mqe.un.beacon_config,
phba->sli4_hba.physical_port);
bf_set(lpfc_mbx_set_beacon_state, &mbox->u.mqe.un.beacon_config,
beacon_state);
bf_set(lpfc_mbx_set_beacon_port_type, &mbox->u.mqe.un.beacon_config, 1);
bf_set(lpfc_mbx_set_beacon_duration, &mbox->u.mqe.un.beacon_config, 0);
rc = lpfc_sli_issue_mbox(phba, mbox, MBX_NOWAIT);
if (rc == MBX_NOT_FINISHED) {
mempool_free(mbox, phba->mbox_mem_pool);
return 1;
}
return 0;
}
/**
* lpfc_els_rcv_lcb - Process an unsolicited LCB
* @vport: pointer to a host virtual N_Port data structure.
* @cmdiocb: pointer to lpfc command iocb data structure.
* @ndlp: pointer to a node-list data structure.
*
* This routine processes an unsolicited LCB(LINK CABLE BEACON) IOCB.
* First, the payload of the unsolicited LCB is checked.
* Then based on Subcommand beacon will either turn on or off.
*
* Return code
* 0 - Sent the acc response
* 1 - Sent the reject response.
**/
static int
lpfc_els_rcv_lcb(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
struct lpfc_nodelist *ndlp)
{
struct lpfc_hba *phba = vport->phba;
struct lpfc_dmabuf *pcmd;
IOCB_t *icmd;
uint8_t *lp;
struct fc_lcb_request_frame *beacon;
struct lpfc_lcb_context *lcb_context;
uint8_t state, rjt_err;
struct ls_rjt stat;
icmd = &cmdiocb->iocb;
pcmd = (struct lpfc_dmabuf *)cmdiocb->context2;
lp = (uint8_t *)pcmd->virt;
beacon = (struct fc_lcb_request_frame *)pcmd->virt;
lpfc_printf_vlog(vport, KERN_INFO, LOG_ELS,
"0192 ELS LCB Data x%x x%x x%x x%x sub x%x "
"type x%x frequency %x duration x%x\n",
lp[0], lp[1], lp[2],
beacon->lcb_command,
beacon->lcb_sub_command,
beacon->lcb_type,
beacon->lcb_frequency,
be16_to_cpu(beacon->lcb_duration));
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)) {
rjt_err = LSRJT_CMD_UNSUPPORTED;
goto rjt;
}
lcb_context = kmalloc(sizeof(struct lpfc_lcb_context), GFP_KERNEL);
if (phba->hba_flag & HBA_FCOE_MODE) {
rjt_err = LSRJT_CMD_UNSUPPORTED;
goto rjt;
}
if (beacon->lcb_frequency == 0) {
rjt_err = LSRJT_CMD_UNSUPPORTED;
goto rjt;
}
if ((beacon->lcb_type != LPFC_LCB_GREEN) &&
(beacon->lcb_type != LPFC_LCB_AMBER)) {
rjt_err = LSRJT_CMD_UNSUPPORTED;
goto rjt;
}
if ((beacon->lcb_sub_command != LPFC_LCB_ON) &&
(beacon->lcb_sub_command != LPFC_LCB_OFF)) {
rjt_err = LSRJT_CMD_UNSUPPORTED;
goto rjt;
}
if ((beacon->lcb_sub_command == LPFC_LCB_ON) &&
(beacon->lcb_type != LPFC_LCB_GREEN) &&
(beacon->lcb_type != LPFC_LCB_AMBER)) {
rjt_err = LSRJT_CMD_UNSUPPORTED;
goto rjt;
}
if (be16_to_cpu(beacon->lcb_duration) != 0) {
rjt_err = LSRJT_CMD_UNSUPPORTED;
goto rjt;
}
state = (beacon->lcb_sub_command == LPFC_LCB_ON) ? 1 : 0;
lcb_context->sub_command = beacon->lcb_sub_command;
lcb_context->type = beacon->lcb_type;
lcb_context->frequency = beacon->lcb_frequency;
lcb_context->ox_id = cmdiocb->iocb.unsli3.rcvsli3.ox_id;
lcb_context->rx_id = cmdiocb->iocb.ulpContext;
lcb_context->ndlp = lpfc_nlp_get(ndlp);
if (lpfc_sli4_set_beacon(vport, lcb_context, state)) {
lpfc_printf_vlog(ndlp->vport, KERN_ERR,
LOG_ELS, "0193 failed to send mail box");
lpfc_nlp_put(ndlp);
rjt_err = LSRJT_UNABLE_TPC;
goto rjt;
}
return 0;
rjt:
memset(&stat, 0, sizeof(stat));
stat.un.b.lsRjtRsnCode = rjt_err;
lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, NULL);
return 1;
}
/**
* lpfc_els_flush_rscn - Clean up any rscn activities with a vport
* @vport: pointer to a host virtual N_Port data structure.
@ -6821,6 +7048,10 @@ lpfc_els_unsol_buffer(struct lpfc_hba *phba, struct lpfc_sli_ring *pring,
}
lpfc_disc_state_machine(vport, ndlp, elsiocb, NLP_EVT_RCV_PRLO);
break;
case ELS_CMD_LCB:
phba->fc_stat.elsRcvLCB++;
lpfc_els_rcv_lcb(vport, elsiocb, ndlp);
break;
case ELS_CMD_RSCN:
phba->fc_stat.elsRcvRSCN++;
lpfc_els_rcv_rscn(vport, elsiocb, ndlp);

32
drivers/scsi/lpfc/lpfc_hw.h
View File

@ -558,6 +558,7 @@ struct fc_vft_header {
#define ELS_CMD_SCR 0x62000000
#define ELS_CMD_RNID 0x78000000
#define ELS_CMD_LIRR 0x7A000000
#define ELS_CMD_LCB 0x81000000
#else /* __LITTLE_ENDIAN_BITFIELD */
#define ELS_CMD_MASK 0xffff
#define ELS_RSP_MASK 0xff
@ -595,6 +596,7 @@ struct fc_vft_header {
#define ELS_CMD_SCR 0x62
#define ELS_CMD_RNID 0x78
#define ELS_CMD_LIRR 0x7A
#define ELS_CMD_LCB 0x81
#endif
/*
@ -1010,6 +1012,36 @@ typedef struct _ELS_PKT { /* Structure is in Big Endian format */
} un;
} ELS_PKT;
/*
* Link Cable Beacon (LCB) ELS Frame
*/
struct fc_lcb_request_frame {
uint32_t lcb_command; /* ELS command opcode (0x81) */
uint8_t lcb_sub_command;/* LCB Payload Word 1, bit 24:31 */
#define LPFC_LCB_ON 0x1
#define LPFC_LCB_OFF 0x2
uint8_t reserved[3];
uint8_t lcb_type; /* LCB Payload Word 2, bit 24:31 */
#define LPFC_LCB_GREEN 0x1
#define LPFC_LCB_AMBER 0x2
uint8_t lcb_frequency; /* LCB Payload Word 2, bit 16:23 */
uint16_t lcb_duration; /* LCB Payload Word 2, bit 15:0 */
};
/*
* Link Cable Beacon (LCB) ELS Response Frame
*/
struct fc_lcb_res_frame {
uint32_t lcb_ls_acc; /* Acceptance of LCB request (0x02) */
uint8_t lcb_sub_command;/* LCB Payload Word 1, bit 24:31 */
uint8_t reserved[3];
uint8_t lcb_type; /* LCB Payload Word 2, bit 24:31 */
uint8_t lcb_frequency; /* LCB Payload Word 2, bit 16:23 */
uint16_t lcb_duration; /* LCB Payload Word 2, bit 15:0 */
};
/******** FDMI ********/
/* lpfc_sli_ct_request defines the CT_IU preamble for FDMI commands */

27
drivers/scsi/lpfc/lpfc_hw4.h
View File

@ -914,6 +914,8 @@ struct mbox_header {
#define LPFC_MBOX_OPCODE_FUNCTION_RESET 0x3D
#define LPFC_MBOX_OPCODE_SET_PHYSICAL_LINK_CONFIG 0x3E
#define LPFC_MBOX_OPCODE_SET_BOOT_CONFIG 0x43
#define LPFC_MBOX_OPCODE_SET_BEACON_CONFIG 0x45
#define LPFC_MBOX_OPCODE_GET_BEACON_CONFIG 0x46
#define LPFC_MBOX_OPCODE_GET_PORT_NAME 0x4D
#define LPFC_MBOX_OPCODE_MQ_CREATE_EXT 0x5A
#define LPFC_MBOX_OPCODE_GET_VPD_DATA 0x5B
@ -1479,6 +1481,26 @@ struct lpfc_mbx_query_fw_config {
} rsp;
};
struct lpfc_mbx_set_beacon_config {
struct mbox_header header;
uint32_t word4;
#define lpfc_mbx_set_beacon_port_num_SHIFT 0
#define lpfc_mbx_set_beacon_port_num_MASK 0x0000003F
#define lpfc_mbx_set_beacon_port_num_WORD word4
#define lpfc_mbx_set_beacon_port_type_SHIFT 6
#define lpfc_mbx_set_beacon_port_type_MASK 0x00000003
#define lpfc_mbx_set_beacon_port_type_WORD word4
#define lpfc_mbx_set_beacon_state_SHIFT 8
#define lpfc_mbx_set_beacon_state_MASK 0x000000FF
#define lpfc_mbx_set_beacon_state_WORD word4
#define lpfc_mbx_set_beacon_duration_SHIFT 16
#define lpfc_mbx_set_beacon_duration_MASK 0x000000FF
#define lpfc_mbx_set_beacon_duration_WORD word4
#define lpfc_mbx_set_beacon_status_duration_SHIFT 24
#define lpfc_mbx_set_beacon_status_duration_MASK 0x000000FF
#define lpfc_mbx_set_beacon_status_duration_WORD word4
};
struct lpfc_id_range {
uint32_t word5;
#define lpfc_mbx_rsrc_id_word4_0_SHIFT 0
@ -3021,6 +3043,7 @@ struct lpfc_mqe {
struct lpfc_mbx_request_features req_ftrs;
struct lpfc_mbx_post_hdr_tmpl hdr_tmpl;
struct lpfc_mbx_query_fw_config query_fw_cfg;
struct lpfc_mbx_set_beacon_config beacon_config;
struct lpfc_mbx_supp_pages supp_pages;
struct lpfc_mbx_pc_sli4_params sli4_params;
struct lpfc_mbx_get_sli4_parameters get_sli4_parameters;
@ -3041,8 +3064,8 @@ struct lpfc_mcqe {
#define lpfc_mcqe_status_MASK 0x0000FFFF
#define lpfc_mcqe_status_WORD word0
#define lpfc_mcqe_ext_status_SHIFT 16
#define lpfc_mcqe_ext_status_MASK 0x0000FFFF
#define lpfc_mcqe_ext_status_WORD word0
#define lpfc_mcqe_ext_status_MASK 0x0000FFFF
#define lpfc_mcqe_ext_status_WORD word0
uint32_t mcqe_tag0;
uint32_t mcqe_tag1;
uint32_t trailer;

2
drivers/scsi/lpfc/lpfc_init.c
View File

@ -7500,6 +7500,8 @@ lpfc_sli4_queue_setup(struct lpfc_hba *phba)
mboxq->u.mqe.un.query_fw_cfg.rsp.function_mode;
phba->sli4_hba.ulp0_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp0_mode;
phba->sli4_hba.ulp1_mode = mboxq->u.mqe.un.query_fw_cfg.rsp.ulp1_mode;
phba->sli4_hba.physical_port =
mboxq->u.mqe.un.query_fw_cfg.rsp.physical_port;
lpfc_printf_log(phba, KERN_INFO, LOG_INIT,
"3251 QUERY_FW_CFG: func_mode:x%x, ulp0_mode:x%x, "
"ulp1_mode:x%x\n", phba->sli4_hba.fw_func_mode,

11
drivers/scsi/lpfc/lpfc_sli4.h
View File

@ -602,6 +602,7 @@ struct lpfc_sli4_hba {
struct lpfc_iov iov;
spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
uint32_t physical_port;
/* CPU to vector mapping information */
struct lpfc_vector_map_info *cpu_map;
@ -651,6 +652,16 @@ struct lpfc_rsrc_blks {
uint16_t rsrc_used;
};
struct lpfc_lcb_context {
uint8_t sub_command;
uint8_t type;
uint8_t frequency;
uint16_t ox_id;
uint16_t rx_id;
struct lpfc_nodelist *ndlp;
};
/*
* SLI4 specific function prototypes
*/