diff --git a/drivers/scsi/be2iscsi/be_cmds.c b/drivers/scsi/be2iscsi/be_cmds.c index e66aa7c11a8a..bb70dcb493c6 100644 --- a/drivers/scsi/be2iscsi/be_cmds.c +++ b/drivers/scsi/be2iscsi/be_cmds.c @@ -1104,6 +1104,51 @@ int be_cmd_wrbq_create(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem, return status; } +int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl, + struct be_dma_mem *q_mem) +{ + struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); + struct be_post_template_pages_req *req = embedded_payload(wrb); + int status; + + spin_lock(&ctrl->mbox_lock); + + memset(wrb, 0, sizeof(*wrb)); + be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); + be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, + OPCODE_COMMON_ADD_TEMPLATE_HEADER_BUFFERS, + sizeof(*req)); + + req->num_pages = PAGES_4K_SPANNED(q_mem->va, q_mem->size); + req->type = BEISCSI_TEMPLATE_HDR_TYPE_ISCSI; + be_cmd_page_addrs_prepare(req->pages, ARRAY_SIZE(req->pages), q_mem); + + status = be_mbox_notify(ctrl); + spin_unlock(&ctrl->mbox_lock); + return status; +} + +int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl) +{ + struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem); + struct be_remove_template_pages_req *req = embedded_payload(wrb); + int status; + + spin_lock(&ctrl->mbox_lock); + + memset(wrb, 0, sizeof(*wrb)); + be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0); + be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, + OPCODE_COMMON_REMOVE_TEMPLATE_HEADER_BUFFERS, + sizeof(*req)); + + req->type = BEISCSI_TEMPLATE_HDR_TYPE_ISCSI; + + status = be_mbox_notify(ctrl); + spin_unlock(&ctrl->mbox_lock); + return status; +} + int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem, u32 page_offset, u32 num_pages) diff --git a/drivers/scsi/be2iscsi/be_cmds.h b/drivers/scsi/be2iscsi/be_cmds.h index 99073086dfe0..89c407377b77 100644 --- a/drivers/scsi/be2iscsi/be_cmds.h +++ b/drivers/scsi/be2iscsi/be_cmds.h @@ -162,6 +162,8 @@ struct be_mcc_mailbox { #define OPCODE_COMMON_CQ_CREATE 12 #define OPCODE_COMMON_EQ_CREATE 13 #define OPCODE_COMMON_MCC_CREATE 21 +#define OPCODE_COMMON_ADD_TEMPLATE_HEADER_BUFFERS 24 +#define OPCODE_COMMON_REMOVE_TEMPLATE_HEADER_BUFFERS 25 #define OPCODE_COMMON_GET_CNTL_ATTRIBUTES 32 #define OPCODE_COMMON_GET_FW_VERSION 35 #define OPCODE_COMMON_MODIFY_EQ_DELAY 41 @@ -217,6 +219,10 @@ struct phys_addr { u32 hi; }; +struct virt_addr { + u32 lo; + u32 hi; +}; /************************** * BE Command definitions * **************************/ @@ -724,6 +730,11 @@ int be_cmd_create_default_pdu_queue(struct be_ctrl_info *ctrl, struct be_queue_info *dq, int length, int entry_size); +int be_cmd_iscsi_post_template_hdr(struct be_ctrl_info *ctrl, + struct be_dma_mem *q_mem); + +int be_cmd_iscsi_remove_template_hdr(struct be_ctrl_info *ctrl); + int be_cmd_iscsi_post_sgl_pages(struct be_ctrl_info *ctrl, struct be_dma_mem *q_mem, u32 page_offset, u32 num_pages); @@ -787,6 +798,23 @@ struct be_defq_create_resp { u16 rsvd0; } __packed; +struct be_post_template_pages_req { + struct be_cmd_req_hdr hdr; + u16 num_pages; +#define BEISCSI_TEMPLATE_HDR_TYPE_ISCSI 0x1 + u16 type; + struct phys_addr scratch_pa; + struct virt_addr scratch_va; + struct virt_addr pages_va; + struct phys_addr pages[16]; +} __packed; + +struct be_remove_template_pages_req { + struct be_cmd_req_hdr hdr; + u16 type; + u16 rsvd0; +} __packed; + struct be_post_sgl_pages_req { struct be_cmd_req_hdr hdr; u16 num_pages; diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c index a1f5ac7a9806..0abed0a954eb 100644 --- a/drivers/scsi/be2iscsi/be_main.c +++ b/drivers/scsi/be2iscsi/be_main.c @@ -2517,6 +2517,8 @@ static void beiscsi_find_mem_req(struct beiscsi_hba *phba) phba->params.icds_per_ctrl; phba->mem_req[HWI_MEM_SGE] = sizeof(struct iscsi_sge) * phba->params.num_sge_per_io * phba->params.icds_per_ctrl; + phba->mem_req[HWI_MEM_TEMPLATE_HDR] = phba->params.cxns_per_ctrl * + BEISCSI_TEMPLATE_HDR_PER_CXN_SIZE; phba->mem_req[HWI_MEM_ASYNC_HEADER_BUF] = num_async_pdu_buf_pages * PAGE_SIZE; @@ -3258,6 +3260,36 @@ beiscsi_create_def_data(struct beiscsi_hba *phba, return 0; } + +static int +beiscsi_post_template_hdr(struct beiscsi_hba *phba) +{ + struct be_mem_descriptor *mem_descr; + struct mem_array *pm_arr; + struct be_dma_mem sgl; + int status, i; + + mem_descr = phba->init_mem; + mem_descr += HWI_MEM_TEMPLATE_HDR; + pm_arr = mem_descr->mem_array; + + for (i = 0; i < mem_descr->num_elements; i++) { + hwi_build_be_sgl_arr(phba, pm_arr, &sgl); + status = be_cmd_iscsi_post_template_hdr(&phba->ctrl, &sgl); + + if (status != 0) { + beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT, + "BM_%d : Post Template HDR Failed\n"); + return status; + } + } + + beiscsi_log(phba, KERN_INFO, BEISCSI_LOG_INIT, + "BM_%d : Template HDR Pages Posted\n"); + + return 0; +} + static int beiscsi_post_pages(struct beiscsi_hba *phba) { @@ -3437,6 +3469,9 @@ static void hwi_cleanup(struct beiscsi_hba *phba) phwi_ctrlr = phba->phwi_ctrlr; phwi_context = phwi_ctrlr->phwi_ctxt; + + be_cmd_iscsi_remove_template_hdr(ctrl); + for (i = 0; i < phba->params.cxns_per_ctrl; i++) { q = &phwi_context->be_wrbq[i]; if (q->created) @@ -3611,6 +3646,12 @@ static int hwi_init_port(struct beiscsi_hba *phba) goto error; } + status = beiscsi_post_template_hdr(phba); + if (status != 0) { + beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT, + "BM_%d : Template HDR Posting for CXN Failed\n"); + } + status = beiscsi_create_wrb_rings(phba, phwi_context, phwi_ctrlr); if (status != 0) { beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_INIT, diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h index 2c06ef3c02ac..3e452578a8a9 100644 --- a/drivers/scsi/be2iscsi/be_main.h +++ b/drivers/scsi/be2iscsi/be_main.h @@ -74,6 +74,7 @@ #define BEISCSI_CMD_PER_LUN 128 /* scsi_host->cmd_per_lun */ #define BEISCSI_MAX_SECTORS 2048 /* scsi_host->max_sectors */ +#define BEISCSI_TEMPLATE_HDR_PER_CXN_SIZE 128 /* Template size per cxn */ #define BEISCSI_MAX_CMD_LEN 16 /* scsi_host->max_cmd_len */ #define BEISCSI_NUM_MAX_LUN 256 /* scsi_host->max_lun */ @@ -165,6 +166,7 @@ enum be_mem_enum { HWI_MEM_WRBH, HWI_MEM_SGLH, HWI_MEM_SGE, + HWI_MEM_TEMPLATE_HDR, HWI_MEM_ASYNC_HEADER_BUF, /* 5 */ HWI_MEM_ASYNC_DATA_BUF, HWI_MEM_ASYNC_HEADER_RING,