From 0c651878ba3018bb4bbfa2ccd0a876bebb618768 Mon Sep 17 00:00:00 2001 From: James Smart Date: Mon, 15 Jul 2013 18:33:23 -0400 Subject: [PATCH] [SCSI] lpfc 8.3.41: Fixed support for 128 byte WQEs Signed-off-by: James Smart Signed-off-by: James Bottomley --- drivers/scsi/lpfc/lpfc_hw4.h | 13 ++++++++++ drivers/scsi/lpfc/lpfc_init.c | 1 + drivers/scsi/lpfc/lpfc_sli.c | 48 ++++++++++++++++++++++++++++++++--- drivers/scsi/lpfc/lpfc_sli4.h | 6 +++++ 4 files changed, 65 insertions(+), 3 deletions(-) diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index 4ec3d7c044c2..086c3f28caa6 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -234,6 +234,9 @@ struct ulp_bde64 { uint32_t addrHigh; }; +/* Maximun size of immediate data that can fit into a 128 byte WQE */ +#define LPFC_MAX_BDE_IMM_SIZE 64 + struct lpfc_sli4_flags { uint32_t word0; #define lpfc_idx_rsrc_rdy_SHIFT 0 @@ -2585,6 +2588,9 @@ struct lpfc_sli4_parameters { #define cfg_mqv_WORD word6 uint32_t word7; uint32_t word8; +#define cfg_wqsize_SHIFT 8 +#define cfg_wqsize_MASK 0x0000000f +#define cfg_wqsize_WORD word8 #define cfg_wqv_SHIFT 14 #define cfg_wqv_MASK 0x00000003 #define cfg_wqv_WORD word8 @@ -3622,6 +3628,13 @@ union lpfc_wqe { struct gen_req64_wqe gen_req; }; +union lpfc_wqe128 { + uint32_t words[32]; + struct lpfc_wqe_generic generic; + struct xmit_seq64_wqe xmit_sequence; + struct gen_req64_wqe gen_req; +}; + #define LPFC_GROUP_OJECT_MAGIC_NUM 0xfeaa0001 #define LPFC_FILE_TYPE_GROUP 0xf7 #define LPFC_FILE_ID_GROUP 0xa2 diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index a7f3328424f8..f7b9c126e157 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -9168,6 +9168,7 @@ lpfc_get_sli4_parameters(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) sli4_params->mqv = bf_get(cfg_mqv, mbx_sli4_parameters); sli4_params->wqv = bf_get(cfg_wqv, mbx_sli4_parameters); sli4_params->rqv = bf_get(cfg_rqv, mbx_sli4_parameters); + sli4_params->wqsize = bf_get(cfg_wqsize, mbx_sli4_parameters); sli4_params->sgl_pages_max = bf_get(cfg_sgl_page_cnt, mbx_sli4_parameters); sli4_params->sgl_pp_align = bf_get(cfg_sgl_pp_align, diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index a4e3f4757405..0392e114531c 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -12869,10 +12869,44 @@ lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq, wq->page_count); bf_set(lpfc_mbx_wq_create_cq_id, &wq_create->u.request, cq->queue_id); + + /* wqv is the earliest version supported, NOT the latest */ bf_set(lpfc_mbox_hdr_version, &shdr->request, phba->sli4_hba.pc_sli4_params.wqv); - if (phba->sli4_hba.pc_sli4_params.wqv == LPFC_Q_CREATE_VERSION_1) { + switch (phba->sli4_hba.pc_sli4_params.wqv) { + case LPFC_Q_CREATE_VERSION_0: + switch (wq->entry_size) { + default: + case 64: + /* Nothing to do, version 0 ONLY supports 64 byte */ + page = wq_create->u.request.page; + break; + case 128: + if (!(phba->sli4_hba.pc_sli4_params.wqsize & + LPFC_WQ_SZ128_SUPPORT)) { + status = -ERANGE; + goto out; + } + /* If we get here the HBA MUST also support V1 and + * we MUST use it + */ + bf_set(lpfc_mbox_hdr_version, &shdr->request, + LPFC_Q_CREATE_VERSION_1); + + bf_set(lpfc_mbx_wq_create_wqe_count, + &wq_create->u.request_1, wq->entry_count); + bf_set(lpfc_mbx_wq_create_wqe_size, + &wq_create->u.request_1, + LPFC_WQ_WQE_SIZE_128); + bf_set(lpfc_mbx_wq_create_page_size, + &wq_create->u.request_1, + (PAGE_SIZE/SLI4_PAGE_SIZE)); + page = wq_create->u.request_1.page; + break; + } + break; + case LPFC_Q_CREATE_VERSION_1: bf_set(lpfc_mbx_wq_create_wqe_count, &wq_create->u.request_1, wq->entry_count); switch (wq->entry_size) { @@ -12883,6 +12917,11 @@ lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq, LPFC_WQ_WQE_SIZE_64); break; case 128: + if (!(phba->sli4_hba.pc_sli4_params.wqsize & + LPFC_WQ_SZ128_SUPPORT)) { + status = -ERANGE; + goto out; + } bf_set(lpfc_mbx_wq_create_wqe_size, &wq_create->u.request_1, LPFC_WQ_WQE_SIZE_128); @@ -12891,9 +12930,12 @@ lpfc_wq_create(struct lpfc_hba *phba, struct lpfc_queue *wq, bf_set(lpfc_mbx_wq_create_page_size, &wq_create->u.request_1, (PAGE_SIZE/SLI4_PAGE_SIZE)); page = wq_create->u.request_1.page; - } else { - page = wq_create->u.request.page; + break; + default: + status = -ERANGE; + goto out; } + list_for_each_entry(dmabuf, &wq->page_list, list) { memset(dmabuf->virt, 0, hw_page_size); page[dmabuf->buffer_tag].addr_lo = putPaddrLow(dmabuf->phys); diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h index d710b87a4417..5bcc38223ac9 100644 --- a/drivers/scsi/lpfc/lpfc_sli4.h +++ b/drivers/scsi/lpfc/lpfc_sli4.h @@ -117,6 +117,7 @@ union sli4_qe { struct lpfc_rcqe_complete *rcqe_complete; struct lpfc_mqe *mqe; union lpfc_wqe *wqe; + union lpfc_wqe128 *wqe128; struct lpfc_rqe *rqe; }; @@ -325,12 +326,14 @@ struct lpfc_bmbx { #define LPFC_EQE_SIZE_16B 16 #define LPFC_CQE_SIZE 16 #define LPFC_WQE_SIZE 64 +#define LPFC_WQE128_SIZE 128 #define LPFC_MQE_SIZE 256 #define LPFC_RQE_SIZE 8 #define LPFC_EQE_DEF_COUNT 1024 #define LPFC_CQE_DEF_COUNT 1024 #define LPFC_WQE_DEF_COUNT 256 +#define LPFC_WQE128_DEF_COUNT 128 #define LPFC_MQE_DEF_COUNT 16 #define LPFC_RQE_DEF_COUNT 512 @@ -416,6 +419,9 @@ struct lpfc_pc_sli4_params { uint8_t mqv; uint8_t wqv; uint8_t rqv; + uint8_t wqsize; +#define LPFC_WQ_SZ64_SUPPORT 1 +#define LPFC_WQ_SZ128_SUPPORT 2 }; struct lpfc_iov { -- 2.20.1