From 050c9bb1361439e63dafb5f192f87b81d8ffbf4a Mon Sep 17 00:00:00 2001 From: Giridhar Malavali Date: Thu, 9 Feb 2012 11:15:33 -0800 Subject: [PATCH] [SCSI] qla2xxx: Enhanced the dump routines to capture multiple request and response queues. Signed-off-by: Giridhar Malavali Signed-off-by: Chad Dupuis Signed-off-by: James Bottomley --- drivers/scsi/qla2xxx/qla_dbg.c | 83 ++++++++++++++++++++++++++++++++- drivers/scsi/qla2xxx/qla_dbg.h | 14 ++++++ drivers/scsi/qla2xxx/qla_init.c | 11 ++++- 3 files changed, 105 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 45cbf0ba624d..cdf061763544 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -374,6 +374,77 @@ qla25xx_copy_fce(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain) return (char *)iter_reg + ntohl(fcec->size); } +static inline void * +qla25xx_copy_mqueues(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain) +{ + struct qla2xxx_mqueue_chain *q; + struct qla2xxx_mqueue_header *qh; + struct req_que *req; + struct rsp_que *rsp; + int que; + + if (!ha->mqenable) + return ptr; + + /* Request queues */ + for (que = 1; que < ha->max_req_queues; que++) { + req = ha->req_q_map[que]; + if (!req) + break; + + /* Add chain. */ + q = ptr; + *last_chain = &q->type; + q->type = __constant_htonl(DUMP_CHAIN_QUEUE); + q->chain_size = htonl( + sizeof(struct qla2xxx_mqueue_chain) + + sizeof(struct qla2xxx_mqueue_header) + + (req->length * sizeof(request_t))); + ptr += sizeof(struct qla2xxx_mqueue_chain); + + /* Add header. */ + qh = ptr; + qh->queue = __constant_htonl(TYPE_REQUEST_QUEUE); + qh->number = htonl(que); + qh->size = htonl(req->length * sizeof(request_t)); + ptr += sizeof(struct qla2xxx_mqueue_header); + + /* Add data. */ + memcpy(ptr, req->ring, req->length * sizeof(request_t)); + ptr += req->length * sizeof(request_t); + } + + /* Response queues */ + for (que = 1; que < ha->max_rsp_queues; que++) { + rsp = ha->rsp_q_map[que]; + if (!rsp) + break; + + /* Add chain. */ + q = ptr; + *last_chain = &q->type; + q->type = __constant_htonl(DUMP_CHAIN_QUEUE); + q->chain_size = htonl( + sizeof(struct qla2xxx_mqueue_chain) + + sizeof(struct qla2xxx_mqueue_header) + + (rsp->length * sizeof(response_t))); + ptr += sizeof(struct qla2xxx_mqueue_chain); + + /* Add header. */ + qh = ptr; + qh->queue = __constant_htonl(TYPE_RESPONSE_QUEUE); + qh->number = htonl(que); + qh->size = htonl(rsp->length * sizeof(response_t)); + ptr += sizeof(struct qla2xxx_mqueue_header); + + /* Add data. */ + memcpy(ptr, rsp->ring, rsp->length * sizeof(response_t)); + ptr += rsp->length * sizeof(response_t); + } + + return ptr; +} + static inline void * qla25xx_copy_mq(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain) { @@ -1322,12 +1393,16 @@ qla25xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked) nxt = qla24xx_copy_eft(ha, nxt); /* Chain entries -- started with MQ. */ - qla25xx_copy_fce(ha, nxt_chain, &last_chain); + nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain); + nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain); if (last_chain) { ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT); *last_chain |= __constant_htonl(DUMP_CHAIN_LAST); } + /* Adjust valid length. */ + ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump); + qla25xx_fw_dump_failed_0: qla2xxx_dump_post_process(base_vha, rval); @@ -1636,12 +1711,16 @@ qla81xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked) nxt = qla24xx_copy_eft(ha, nxt); /* Chain entries -- started with MQ. */ - qla25xx_copy_fce(ha, nxt_chain, &last_chain); + nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain); + nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain); if (last_chain) { ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT); *last_chain |= __constant_htonl(DUMP_CHAIN_LAST); } + /* Adjust valid length. */ + ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump); + qla81xx_fw_dump_failed_0: qla2xxx_dump_post_process(base_vha, rval); diff --git a/drivers/scsi/qla2xxx/qla_dbg.h b/drivers/scsi/qla2xxx/qla_dbg.h index 5f1b6d9c3dcb..6b05cb1d1874 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.h +++ b/drivers/scsi/qla2xxx/qla_dbg.h @@ -192,9 +192,23 @@ struct qla2xxx_mq_chain { uint32_t qregs[4 * QLA_MQ_SIZE]; }; +struct qla2xxx_mqueue_header { + uint32_t queue; +#define TYPE_REQUEST_QUEUE 0x1 +#define TYPE_RESPONSE_QUEUE 0x2 + uint32_t number; + uint32_t size; +}; + +struct qla2xxx_mqueue_chain { + uint32_t type; + uint32_t chain_size; +}; + #define DUMP_CHAIN_VARIANT 0x80000000 #define DUMP_CHAIN_FCE 0x7FFFFAF0 #define DUMP_CHAIN_MQ 0x7FFFFAF1 +#define DUMP_CHAIN_QUEUE 0x7FFFFAF2 #define DUMP_CHAIN_LAST 0x80000000 struct qla2xxx_fw_dump { diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 1fa067e053d2..68555dfee6ac 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -1270,8 +1270,17 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem); mem_size = (ha->fw_memory_size - 0x100000 + 1) * sizeof(uint32_t); - if (ha->mqenable) + if (ha->mqenable) { mq_size = sizeof(struct qla2xxx_mq_chain); + /* + * Allocate maximum buffer size for all queues. + * Resizing must be done at end-of-dump processing. + */ + mq_size += ha->max_req_queues * + (req->length * sizeof(request_t)); + mq_size += ha->max_rsp_queues * + (rsp->length * sizeof(response_t)); + } /* Allocate memory for Fibre Channel Event Buffer. */ if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) goto try_eft; -- 2.20.1