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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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scsi: be2iscsi: Remove unused struct members
Fix errors reported in static analysis. Signed-off-by: Jitendra Bhivare <jitendra.bhivare@broadcom.com> Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Jitendra Bhivare
Martin K. Petersen
parent
b7d98ca7fb
commit
fa1261c4b6
@ -84,7 +84,6 @@ static inline void queue_tail_inc(struct be_queue_info *q)
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/*ISCSI */
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struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
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bool enable;
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u32 min_eqd; /* in usecs */
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u32 max_eqd; /* in usecs */
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u32 prev_eqd; /* in usecs */
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@ -94,8 +93,6 @@ struct be_aic_obj { /* Adaptive interrupt coalescing (AIC) info */
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};
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struct be_eq_obj {
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bool todo_mcc_cq;
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bool todo_cq;
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u32 cq_count;
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struct be_queue_info q;
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struct beiscsi_hba *phba;
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@ -676,10 +676,10 @@ void be_wrb_hdr_prepare(struct be_mcc_wrb *wrb, int payload_len,
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bool embedded, u8 sge_cnt)
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{
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if (embedded)
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wrb->embedded |= MCC_WRB_EMBEDDED_MASK;
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wrb->emb_sgecnt_special |= MCC_WRB_EMBEDDED_MASK;
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else
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wrb->embedded |= (sge_cnt & MCC_WRB_SGE_CNT_MASK) <<
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MCC_WRB_SGE_CNT_SHIFT;
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wrb->emb_sgecnt_special |= (sge_cnt & MCC_WRB_SGE_CNT_MASK) <<
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MCC_WRB_SGE_CNT_SHIFT;
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wrb->payload_length = payload_len;
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be_dws_cpu_to_le(wrb, 8);
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}
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@ -1599,7 +1599,7 @@ int beiscsi_cmd_function_reset(struct beiscsi_hba *phba)
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{
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struct be_ctrl_info *ctrl = &phba->ctrl;
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struct be_mcc_wrb *wrb = wrb_from_mbox(&ctrl->mbox_mem);
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struct be_post_sgl_pages_req *req = embedded_payload(wrb);
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struct be_post_sgl_pages_req *req;
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int status;
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mutex_lock(&ctrl->mbox_lock);
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@ -31,10 +31,16 @@ struct be_sge {
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__le32 len;
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};
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#define MCC_WRB_SGE_CNT_SHIFT 3 /* bits 3 - 7 of dword 0 */
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#define MCC_WRB_SGE_CNT_MASK 0x1F /* bits 3 - 7 of dword 0 */
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struct be_mcc_wrb {
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u32 embedded; /* dword 0 */
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u32 emb_sgecnt_special; /* dword 0 */
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/* bits 0 - embedded */
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/* bits 1 - 2 reserved */
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/* bits 3 - 7 sge count */
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/* bits 8 - 23 reserved */
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/* bits 24 - 31 special */
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#define MCC_WRB_EMBEDDED_MASK 1
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#define MCC_WRB_SGE_CNT_SHIFT 3
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#define MCC_WRB_SGE_CNT_MASK 0x1F
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u32 payload_length; /* dword 1 */
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u32 tag0; /* dword 2 */
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u32 tag1; /* dword 3 */
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@ -1133,11 +1139,6 @@ struct tcp_connect_and_offload_out {
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} __packed;
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struct be_mcc_wrb_context {
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struct MCC_WRB *wrb;
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int *users_final_status;
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} __packed;
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#define DB_DEF_PDU_RING_ID_MASK 0x3FFF /* bits 0 - 13 */
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#define DB_DEF_PDU_CQPROC_MASK 0x3FFF /* bits 16 - 29 */
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#define DB_DEF_PDU_REARM_SHIFT 14
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@ -1114,7 +1114,7 @@ static int beiscsi_open_conn(struct iscsi_endpoint *ep,
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nonemb_cmd.size = req_memsize;
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memset(nonemb_cmd.va, 0, nonemb_cmd.size);
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tag = mgmt_open_connection(phba, dst_addr, beiscsi_ep, &nonemb_cmd);
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if (tag <= 0) {
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if (!tag) {
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beiscsi_log(phba, KERN_ERR, BEISCSI_LOG_CONFIG,
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"BS_%d : mgmt_open_connection Failed for cid=%d\n",
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beiscsi_ep->ep_cid);
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@ -67,8 +67,6 @@ beiscsi_##_name##_disp(struct device *dev,\
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{ \
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struct Scsi_Host *shost = class_to_shost(dev);\
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struct beiscsi_hba *phba = iscsi_host_priv(shost); \
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uint32_t param_val = 0; \
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param_val = phba->attr_##_name;\
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return snprintf(buf, PAGE_SIZE, "%d\n",\
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phba->attr_##_name);\
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}
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@ -642,7 +640,6 @@ static void beiscsi_get_params(struct beiscsi_hba *phba)
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phba->params.num_sge_per_io = BE2_SGE;
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phba->params.defpdu_hdr_sz = BE2_DEFPDU_HDR_SZ;
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phba->params.defpdu_data_sz = BE2_DEFPDU_DATA_SZ;
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phba->params.eq_timer = 64;
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phba->params.num_eq_entries = 1024;
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phba->params.num_cq_entries = 1024;
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phba->params.wrbs_per_cxn = 256;
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@ -1335,7 +1332,6 @@ static void hwi_complete_cmd(struct beiscsi_conn *beiscsi_conn,
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struct hwi_wrb_context *pwrb_context;
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struct hwi_controller *phwi_ctrlr;
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struct wrb_handle *pwrb_handle;
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struct iscsi_wrb *pwrb = NULL;
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struct iscsi_task *task;
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uint16_t cri_index = 0;
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uint8_t type;
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@ -1357,7 +1353,6 @@ static void hwi_complete_cmd(struct beiscsi_conn *beiscsi_conn,
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spin_unlock_bh(&session->back_lock);
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return;
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}
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pwrb = pwrb_handle->pwrb;
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type = ((struct beiscsi_io_task *)task->dd_data)->wrb_type;
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switch (type) {
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@ -1721,13 +1716,12 @@ beiscsi_hdq_post_handles(struct beiscsi_hba *phba,
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struct list_head *hfree_list;
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struct phys_addr *pasync_sge;
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u32 ring_id, doorbell = 0;
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u16 index, num_entries;
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u32 doorbell_offset;
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u16 prod = 0, cons;
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u16 index;
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phwi_ctrlr = phba->phwi_ctrlr;
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pasync_ctx = HWI_GET_ASYNC_PDU_CTX(phwi_ctrlr, ulp_num);
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num_entries = pasync_ctx->num_entries;
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if (header) {
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cons = pasync_ctx->async_header.free_entries;
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hfree_list = &pasync_ctx->async_header.free_list;
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@ -2384,13 +2378,10 @@ static int hwi_write_buffer(struct iscsi_wrb *pwrb, struct iscsi_task *task)
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static void beiscsi_find_mem_req(struct beiscsi_hba *phba)
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{
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uint8_t mem_descr_index, ulp_num;
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unsigned int num_cq_pages, num_async_pdu_buf_pages;
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unsigned int num_async_pdu_buf_pages;
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unsigned int num_async_pdu_data_pages, wrb_sz_per_cxn;
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unsigned int num_async_pdu_buf_sgl_pages, num_async_pdu_data_sgl_pages;
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num_cq_pages = PAGES_REQUIRED(phba->params.num_cq_entries * \
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sizeof(struct sol_cqe));
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phba->params.hwi_ws_sz = sizeof(struct hwi_controller);
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phba->mem_req[ISCSI_MEM_GLOBAL_HEADER] = 2 *
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@ -3377,7 +3368,7 @@ beiscsi_create_wrb_rings(struct beiscsi_hba *phba,
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struct hwi_context_memory *phwi_context,
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struct hwi_controller *phwi_ctrlr)
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{
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unsigned int wrb_mem_index, offset, size, num_wrb_rings;
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unsigned int num_wrb_rings;
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u64 pa_addr_lo;
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unsigned int idx, num, i, ulp_num;
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struct mem_array *pwrb_arr;
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@ -3442,10 +3433,6 @@ beiscsi_create_wrb_rings(struct beiscsi_hba *phba,
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}
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for (i = 0; i < phba->params.cxns_per_ctrl; i++) {
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wrb_mem_index = 0;
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offset = 0;
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size = 0;
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if (ulp_count > 1) {
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ulp_base_num = (ulp_base_num + 1) % BEISCSI_ULP_COUNT;
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@ -3673,7 +3660,6 @@ static void hwi_cleanup_port(struct beiscsi_hba *phba)
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struct be_ctrl_info *ctrl = &phba->ctrl;
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struct hwi_controller *phwi_ctrlr;
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struct hwi_context_memory *phwi_context;
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struct hd_async_context *pasync_ctx;
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int i, eq_for_mcc, ulp_num;
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for (ulp_num = 0; ulp_num < BEISCSI_ULP_COUNT; ulp_num++)
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@ -3710,8 +3696,6 @@ static void hwi_cleanup_port(struct beiscsi_hba *phba)
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q = &phwi_context->be_def_dataq[ulp_num];
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if (q->created)
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beiscsi_cmd_q_destroy(ctrl, q, QTYPE_DPDUQ);
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pasync_ctx = phwi_ctrlr->phwi_ctxt->pasync_ctx[ulp_num];
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}
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}
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@ -3937,7 +3921,7 @@ static void beiscsi_free_mem(struct beiscsi_hba *phba)
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static int beiscsi_init_controller(struct beiscsi_hba *phba)
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{
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int ret = -ENOMEM;
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int ret;
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ret = beiscsi_get_memory(phba);
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if (ret < 0) {
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@ -243,19 +243,7 @@ struct hba_parameters {
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unsigned int num_cq_entries;
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unsigned int num_eq_entries;
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unsigned int wrbs_per_cxn;
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unsigned int crashmode;
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unsigned int hba_num;
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unsigned int mgmt_ws_sz;
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unsigned int hwi_ws_sz;
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unsigned int eto;
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unsigned int ldto;
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unsigned int dbg_flags;
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unsigned int num_cxn;
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unsigned int eq_timer;
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/**
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* These are calculated from other params. They're here
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* for debug purposes
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@ -333,7 +321,6 @@ struct beiscsi_hba {
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struct be_bus_address pci_pa; /* CSR */
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/* PCI representation of our HBA */
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struct pci_dev *pcidev;
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unsigned short asic_revision;
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unsigned int num_cpus;
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unsigned int nxt_cqid;
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struct msix_entry msix_entries[MAX_CPUS];
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@ -354,7 +341,6 @@ struct beiscsi_hba {
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spinlock_t io_sgl_lock;
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spinlock_t mgmt_sgl_lock;
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spinlock_t async_pdu_lock;
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unsigned int age;
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struct list_head hba_queue;
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#define BE_MAX_SESSION 2048
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#define BE_SET_CID_TO_CRI(cri_index, cid) \
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@ -523,10 +509,6 @@ struct beiscsi_io_task {
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struct scsi_cmnd *scsi_cmnd;
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int num_sg;
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struct hwi_wrb_context *pwrb_context;
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unsigned int cmd_sn;
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unsigned int flags;
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unsigned short cid;
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unsigned short header_len;
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itt_t libiscsi_itt;
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struct be_cmd_bhs *cmd_bhs;
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struct be_bus_address bhs_pa;
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@ -1040,10 +1022,8 @@ struct hwi_controller {
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struct list_head io_sgl_list;
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struct list_head eh_sgl_list;
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struct sgl_handle *psgl_handle_base;
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unsigned int wrb_mem_index;
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struct hwi_wrb_context *wrb_context;
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struct mcc_wrb *pmcc_wrb_base;
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struct be_ring default_pdu_hdr[BEISCSI_ULP_COUNT];
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struct be_ring default_pdu_data[BEISCSI_ULP_COUNT];
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struct hwi_context_memory *phwi_ctxt;
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@ -1060,9 +1040,7 @@ enum hwh_type_enum {
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};
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struct wrb_handle {
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enum hwh_type_enum type;
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unsigned short wrb_index;
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struct iscsi_task *pio_handle;
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struct iscsi_wrb *pwrb;
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};
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@ -66,7 +66,6 @@ unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
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struct bsg_job *job,
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struct be_dma_mem *nonemb_cmd)
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{
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struct be_cmd_resp_hdr *resp;
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struct be_mcc_wrb *wrb;
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struct be_sge *mcc_sge;
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unsigned int tag = 0;
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@ -76,7 +75,6 @@ unsigned int mgmt_vendor_specific_fw_cmd(struct be_ctrl_info *ctrl,
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nonemb_cmd->size = job->request_payload.payload_len;
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memset(nonemb_cmd->va, 0, nonemb_cmd->size);
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resp = nonemb_cmd->va;
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region = bsg_req->rqst_data.h_vendor.vendor_cmd[1];
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sector_size = bsg_req->rqst_data.h_vendor.vendor_cmd[2];
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sector = bsg_req->rqst_data.h_vendor.vendor_cmd[3];
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@ -1022,7 +1020,6 @@ unsigned int beiscsi_boot_reopen_sess(struct beiscsi_hba *phba)
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unsigned int beiscsi_boot_get_sinfo(struct beiscsi_hba *phba)
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{
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struct be_ctrl_info *ctrl = &phba->ctrl;
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struct be_cmd_get_session_resp *resp;
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struct be_cmd_get_session_req *req;
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struct be_dma_mem *nonemb_cmd;
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struct be_mcc_wrb *wrb;
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@ -1037,7 +1034,7 @@ unsigned int beiscsi_boot_get_sinfo(struct beiscsi_hba *phba)
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}
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nonemb_cmd = &phba->boot_struct.nonemb_cmd;
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nonemb_cmd->size = sizeof(*resp);
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nonemb_cmd->size = sizeof(struct be_cmd_get_session_resp);
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nonemb_cmd->va = pci_alloc_consistent(phba->ctrl.pdev,
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nonemb_cmd->size,
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&nonemb_cmd->dma);
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@ -1052,7 +1049,7 @@ unsigned int beiscsi_boot_get_sinfo(struct beiscsi_hba *phba)
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be_wrb_hdr_prepare(wrb, sizeof(*req), false, 1);
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be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_ISCSI_INI,
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OPCODE_ISCSI_INI_SESSION_GET_A_SESSION,
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sizeof(*resp));
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sizeof(struct be_cmd_get_session_resp));
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req->session_handle = phba->boot_struct.s_handle;
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sge->pa_hi = cpu_to_le32(upper_32_bits(nonemb_cmd->dma));
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sge->pa_lo = cpu_to_le32(nonemb_cmd->dma & 0xFFFFFFFF);
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@ -1297,7 +1294,7 @@ beiscsi_phys_port_disp(struct device *dev, struct device_attribute *attr,
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struct Scsi_Host *shost = class_to_shost(dev);
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struct beiscsi_hba *phba = iscsi_host_priv(shost);
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return snprintf(buf, PAGE_SIZE, "Port Identifier : %d\n",
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return snprintf(buf, PAGE_SIZE, "Port Identifier : %u\n",
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phba->fw_config.phys_port);
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}
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@ -36,66 +36,6 @@
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#define PCICFG_UE_STATUS_MASK_LOW 0xA8
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#define PCICFG_UE_STATUS_MASK_HI 0xAC
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/**
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* Pseudo amap definition in which each bit of the actual structure is defined
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* as a byte: used to calculate offset/shift/mask of each field
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*/
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struct amap_mcc_sge {
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u8 pa_lo[32]; /* dword 0 */
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u8 pa_hi[32]; /* dword 1 */
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u8 length[32]; /* DWORD 2 */
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} __packed;
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/**
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* Pseudo amap definition in which each bit of the actual structure is defined
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* as a byte: used to calculate offset/shift/mask of each field
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*/
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struct amap_mcc_wrb_payload {
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union {
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struct amap_mcc_sge sgl[19];
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u8 embedded[59 * 32]; /* DWORDS 57 to 115 */
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} u;
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} __packed;
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/**
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* Pseudo amap definition in which each bit of the actual structure is defined
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* as a byte: used to calculate offset/shift/mask of each field
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*/
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struct amap_mcc_wrb {
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u8 embedded; /* DWORD 0 */
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u8 rsvd0[2]; /* DWORD 0 */
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u8 sge_count[5]; /* DWORD 0 */
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u8 rsvd1[16]; /* DWORD 0 */
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u8 special[8]; /* DWORD 0 */
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u8 payload_length[32];
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u8 tag[64]; /* DWORD 2 */
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u8 rsvd2[32]; /* DWORD 4 */
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struct amap_mcc_wrb_payload payload;
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};
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struct mcc_sge {
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u32 pa_lo; /* dword 0 */
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u32 pa_hi; /* dword 1 */
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u32 length; /* DWORD 2 */
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} __packed;
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struct mcc_wrb_payload {
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union {
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struct mcc_sge sgl[19];
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u32 embedded[59]; /* DWORDS 57 to 115 */
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} u;
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} __packed;
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#define MCC_WRB_EMBEDDED_MASK 0x00000001
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struct mcc_wrb {
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u32 dw[0]; /* DWORD 0 */
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u32 payload_length;
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u32 tag[2]; /* DWORD 2 */
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u32 rsvd2[1]; /* DWORD 4 */
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struct mcc_wrb_payload payload;
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};
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int mgmt_open_connection(struct beiscsi_hba *phba,
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struct sockaddr *dst_addr,
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struct beiscsi_endpoint *beiscsi_ep,
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