11f4d4ed6SAlexander Lobakin // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2fc831825SYuval Mintz /* QLogic qed NIC Driver 3e8f1cb50SMintz, Yuval * Copyright (c) 2015-2017 QLogic Corporation 4663eacd8SAlexander Lobakin * Copyright (c) 2019-2020 Marvell International Ltd. 5fc831825SYuval Mintz */ 6fc831825SYuval Mintz 7fc831825SYuval Mintz #include <linux/types.h> 8fc831825SYuval Mintz #include <asm/byteorder.h> 9fc831825SYuval Mintz #include <asm/param.h> 10fc831825SYuval Mintz #include <linux/delay.h> 11fc831825SYuval Mintz #include <linux/dma-mapping.h> 12fc831825SYuval Mintz #include <linux/etherdevice.h> 13fc831825SYuval Mintz #include <linux/interrupt.h> 14fc831825SYuval Mintz #include <linux/kernel.h> 15fc831825SYuval Mintz #include <linux/log2.h> 16fc831825SYuval Mintz #include <linux/module.h> 17fc831825SYuval Mintz #include <linux/pci.h> 18fc831825SYuval Mintz #include <linux/slab.h> 19fc831825SYuval Mintz #include <linux/stddef.h> 20fc831825SYuval Mintz #include <linux/string.h> 21fc831825SYuval Mintz #include <linux/workqueue.h> 22fc831825SYuval Mintz #include <linux/errno.h> 23fc831825SYuval Mintz #include <linux/list.h> 24fc831825SYuval Mintz #include <linux/spinlock.h> 25fc831825SYuval Mintz #include <linux/qed/qed_iscsi_if.h> 26fc831825SYuval Mintz #include "qed.h" 27fc831825SYuval Mintz #include "qed_cxt.h" 28fc831825SYuval Mintz #include "qed_dev_api.h" 29fc831825SYuval Mintz #include "qed_hsi.h" 30fc831825SYuval Mintz #include "qed_hw.h" 31fc831825SYuval Mintz #include "qed_int.h" 32fc831825SYuval Mintz #include "qed_iscsi.h" 33fc831825SYuval Mintz #include "qed_ll2.h" 34fc831825SYuval Mintz #include "qed_mcp.h" 35fc831825SYuval Mintz #include "qed_sp.h" 36fc831825SYuval Mintz #include "qed_sriov.h" 37fc831825SYuval Mintz #include "qed_reg_addr.h" 38fc831825SYuval Mintz 39fc831825SYuval Mintz struct qed_iscsi_conn { 40fc831825SYuval Mintz struct list_head list_entry; 41fc831825SYuval Mintz bool free_on_delete; 42fc831825SYuval Mintz 43fc831825SYuval Mintz u16 conn_id; 44fc831825SYuval Mintz u32 icid; 45fc831825SYuval Mintz u32 fw_cid; 46fc831825SYuval Mintz 47fc831825SYuval Mintz u8 layer_code; 48fc831825SYuval Mintz u8 offl_flags; 49fc831825SYuval Mintz u8 connect_mode; 50fc831825SYuval Mintz u32 initial_ack; 51fc831825SYuval Mintz dma_addr_t sq_pbl_addr; 52fc831825SYuval Mintz struct qed_chain r2tq; 53fc831825SYuval Mintz struct qed_chain xhq; 54fc831825SYuval Mintz struct qed_chain uhq; 55fc831825SYuval Mintz 56fc831825SYuval Mintz struct tcp_upload_params *tcp_upload_params_virt_addr; 57fc831825SYuval Mintz dma_addr_t tcp_upload_params_phys_addr; 58fc831825SYuval Mintz struct scsi_terminate_extra_params *queue_cnts_virt_addr; 59fc831825SYuval Mintz dma_addr_t queue_cnts_phys_addr; 60fc831825SYuval Mintz dma_addr_t syn_phy_addr; 61fc831825SYuval Mintz 62fc831825SYuval Mintz u16 syn_ip_payload_length; 63fc831825SYuval Mintz u8 local_mac[6]; 64fc831825SYuval Mintz u8 remote_mac[6]; 65fc831825SYuval Mintz u16 vlan_id; 66da090917STomer Tayar u16 tcp_flags; 67fc831825SYuval Mintz u8 ip_version; 68fc831825SYuval Mintz u32 remote_ip[4]; 69fc831825SYuval Mintz u32 local_ip[4]; 70fc831825SYuval Mintz u8 ka_max_probe_cnt; 71fc831825SYuval Mintz u8 dup_ack_theshold; 72fc831825SYuval Mintz u32 rcv_next; 73fc831825SYuval Mintz u32 snd_una; 74fc831825SYuval Mintz u32 snd_next; 75fc831825SYuval Mintz u32 snd_max; 76fc831825SYuval Mintz u32 snd_wnd; 77fc831825SYuval Mintz u32 rcv_wnd; 78fc831825SYuval Mintz u32 snd_wl1; 79fc831825SYuval Mintz u32 cwnd; 80fc831825SYuval Mintz u32 ss_thresh; 81fc831825SYuval Mintz u16 srtt; 82fc831825SYuval Mintz u16 rtt_var; 83fc831825SYuval Mintz u32 ts_recent; 84fc831825SYuval Mintz u32 ts_recent_age; 85fc831825SYuval Mintz u32 total_rt; 86fc831825SYuval Mintz u32 ka_timeout_delta; 87fc831825SYuval Mintz u32 rt_timeout_delta; 88fc831825SYuval Mintz u8 dup_ack_cnt; 89fc831825SYuval Mintz u8 snd_wnd_probe_cnt; 90fc831825SYuval Mintz u8 ka_probe_cnt; 91fc831825SYuval Mintz u8 rt_cnt; 92fc831825SYuval Mintz u32 flow_label; 93fc831825SYuval Mintz u32 ka_timeout; 94fc831825SYuval Mintz u32 ka_interval; 95fc831825SYuval Mintz u32 max_rt_time; 96fc831825SYuval Mintz u32 initial_rcv_wnd; 97fc831825SYuval Mintz u8 ttl; 98fc831825SYuval Mintz u8 tos_or_tc; 99fc831825SYuval Mintz u16 remote_port; 100fc831825SYuval Mintz u16 local_port; 101fc831825SYuval Mintz u16 mss; 102fc831825SYuval Mintz u8 snd_wnd_scale; 103fc831825SYuval Mintz u8 rcv_wnd_scale; 104fc831825SYuval Mintz u16 da_timeout_value; 105fc831825SYuval Mintz u8 ack_frequency; 106fc831825SYuval Mintz 107fc831825SYuval Mintz u8 update_flag; 108fc831825SYuval Mintz u8 default_cq; 109fc831825SYuval Mintz u32 max_seq_size; 110fc831825SYuval Mintz u32 max_recv_pdu_length; 111fc831825SYuval Mintz u32 max_send_pdu_length; 112fc831825SYuval Mintz u32 first_seq_length; 113fc831825SYuval Mintz u32 exp_stat_sn; 114fc831825SYuval Mintz u32 stat_sn; 115fc831825SYuval Mintz u16 physical_q0; 116fc831825SYuval Mintz u16 physical_q1; 117fc831825SYuval Mintz u8 abortive_dsconnect; 118fc831825SYuval Mintz }; 119fc831825SYuval Mintz 1201451e467SAlexander Lobakin static int qed_iscsi_async_event(struct qed_hwfn *p_hwfn, u8 fw_event_code, 1211451e467SAlexander Lobakin u16 echo, union event_ring_data *data, 1221451e467SAlexander Lobakin u8 fw_return_code) 123a2e7699eSTomer Tayar { 124a2e7699eSTomer Tayar if (p_hwfn->p_iscsi_info->event_cb) { 125a2e7699eSTomer Tayar struct qed_iscsi_info *p_iscsi = p_hwfn->p_iscsi_info; 126a2e7699eSTomer Tayar 127a2e7699eSTomer Tayar return p_iscsi->event_cb(p_iscsi->event_context, 128a2e7699eSTomer Tayar fw_event_code, data); 129a2e7699eSTomer Tayar } else { 130a2e7699eSTomer Tayar DP_NOTICE(p_hwfn, "iSCSI async completion is not set\n"); 131a2e7699eSTomer Tayar return -EINVAL; 132a2e7699eSTomer Tayar } 133a2e7699eSTomer Tayar } 134a2e7699eSTomer Tayar 135a2e7699eSTomer Tayar static int 136fc831825SYuval Mintz qed_sp_iscsi_func_start(struct qed_hwfn *p_hwfn, 137fc831825SYuval Mintz enum spq_mode comp_mode, 138fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr, 139fc831825SYuval Mintz void *event_context, iscsi_event_cb_t async_event_cb) 140fc831825SYuval Mintz { 141fc831825SYuval Mintz struct iscsi_init_ramrod_params *p_ramrod = NULL; 142fc831825SYuval Mintz struct scsi_init_func_queues *p_queue = NULL; 143fc831825SYuval Mintz struct qed_iscsi_pf_params *p_params = NULL; 144fc831825SYuval Mintz struct iscsi_spe_func_init *p_init = NULL; 145fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 146fc831825SYuval Mintz struct qed_sp_init_data init_data; 147fc831825SYuval Mintz int rc = 0; 148fc831825SYuval Mintz u32 dval; 149fc831825SYuval Mintz u16 val; 150fc831825SYuval Mintz u8 i; 151fc831825SYuval Mintz 152fc831825SYuval Mintz /* Get SPQ entry */ 153fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 154fc831825SYuval Mintz init_data.cid = qed_spq_get_cid(p_hwfn); 155fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 156fc831825SYuval Mintz init_data.comp_mode = comp_mode; 157fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 158fc831825SYuval Mintz 159fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 160fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_INIT_FUNC, 161fc831825SYuval Mintz PROTOCOLID_ISCSI, &init_data); 162fc831825SYuval Mintz if (rc) 163fc831825SYuval Mintz return rc; 164fc831825SYuval Mintz 165fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_init; 166fc831825SYuval Mintz p_init = &p_ramrod->iscsi_init_spe; 167fc831825SYuval Mintz p_params = &p_hwfn->pf_params.iscsi_pf_params; 168fc831825SYuval Mintz p_queue = &p_init->q_params; 169fc831825SYuval Mintz 17008737a3fSMintz, Yuval /* Sanity */ 17108737a3fSMintz, Yuval if (p_params->num_queues > p_hwfn->hw_info.feat_num[QED_ISCSI_CQ]) { 17208737a3fSMintz, Yuval DP_ERR(p_hwfn, 17308737a3fSMintz, Yuval "Cannot satisfy CQ amount. Queues requested %d, CQs available %d. Aborting function start\n", 17408737a3fSMintz, Yuval p_params->num_queues, 17588fa9527SMintz, Yuval p_hwfn->hw_info.feat_num[QED_ISCSI_CQ]); 176fb5e7438SDenis Bolotin qed_sp_destroy_request(p_hwfn, p_ent); 17708737a3fSMintz, Yuval return -EINVAL; 17808737a3fSMintz, Yuval } 17908737a3fSMintz, Yuval 180fc831825SYuval Mintz val = p_params->half_way_close_timeout; 181fc831825SYuval Mintz p_init->half_way_close_timeout = cpu_to_le16(val); 182fc831825SYuval Mintz p_init->num_sq_pages_in_ring = p_params->num_sq_pages_in_ring; 183fc831825SYuval Mintz p_init->num_r2tq_pages_in_ring = p_params->num_r2tq_pages_in_ring; 184fc831825SYuval Mintz p_init->num_uhq_pages_in_ring = p_params->num_uhq_pages_in_ring; 185997af5dfSMichal Kalderon p_init->ll2_rx_queue_id = 186997af5dfSMichal Kalderon p_hwfn->hw_info.resc_start[QED_LL2_RAM_QUEUE] + 1876b116b1dSMintz, Yuval p_params->ll2_ooo_queue_id; 188da090917STomer Tayar 189fc831825SYuval Mintz p_init->func_params.log_page_size = p_params->log_page_size; 190fc831825SYuval Mintz val = p_params->num_tasks; 191fc831825SYuval Mintz p_init->func_params.num_tasks = cpu_to_le16(val); 192fc831825SYuval Mintz p_init->debug_mode.flags = p_params->debug_mode; 193fc831825SYuval Mintz 194fc831825SYuval Mintz DMA_REGPAIR_LE(p_queue->glbl_q_params_addr, 195fc831825SYuval Mintz p_params->glbl_q_params_addr); 196fc831825SYuval Mintz 197fc831825SYuval Mintz val = p_params->cq_num_entries; 198fc831825SYuval Mintz p_queue->cq_num_entries = cpu_to_le16(val); 199fc831825SYuval Mintz val = p_params->cmdq_num_entries; 200fc831825SYuval Mintz p_queue->cmdq_num_entries = cpu_to_le16(val); 201fc831825SYuval Mintz p_queue->num_queues = p_params->num_queues; 202fc831825SYuval Mintz dval = (u8)p_hwfn->hw_info.resc_start[QED_CMDQS_CQS]; 203fc831825SYuval Mintz p_queue->queue_relative_offset = (u8)dval; 204fc831825SYuval Mintz p_queue->cq_sb_pi = p_params->gl_rq_pi; 205fc831825SYuval Mintz p_queue->cmdq_sb_pi = p_params->gl_cmd_pi; 206fc831825SYuval Mintz 207fc831825SYuval Mintz for (i = 0; i < p_params->num_queues; i++) { 20850a20714SMintz, Yuval val = qed_get_igu_sb_id(p_hwfn, i); 209fc831825SYuval Mintz p_queue->cq_cmdq_sb_num_arr[i] = cpu_to_le16(val); 210fc831825SYuval Mintz } 211fc831825SYuval Mintz 212d0d40a73SMintz, Yuval p_queue->bdq_resource_id = (u8)RESC_START(p_hwfn, QED_BDQ); 213fc831825SYuval Mintz 214fc831825SYuval Mintz DMA_REGPAIR_LE(p_queue->bdq_pbl_base_address[BDQ_ID_RQ], 215fc831825SYuval Mintz p_params->bdq_pbl_base_addr[BDQ_ID_RQ]); 216fc831825SYuval Mintz p_queue->bdq_pbl_num_entries[BDQ_ID_RQ] = 217fc831825SYuval Mintz p_params->bdq_pbl_num_entries[BDQ_ID_RQ]; 218fc831825SYuval Mintz val = p_params->bdq_xoff_threshold[BDQ_ID_RQ]; 219fc831825SYuval Mintz p_queue->bdq_xoff_threshold[BDQ_ID_RQ] = cpu_to_le16(val); 220fc831825SYuval Mintz val = p_params->bdq_xon_threshold[BDQ_ID_RQ]; 221fc831825SYuval Mintz p_queue->bdq_xon_threshold[BDQ_ID_RQ] = cpu_to_le16(val); 222fc831825SYuval Mintz 223fc831825SYuval Mintz DMA_REGPAIR_LE(p_queue->bdq_pbl_base_address[BDQ_ID_IMM_DATA], 224fc831825SYuval Mintz p_params->bdq_pbl_base_addr[BDQ_ID_IMM_DATA]); 225fc831825SYuval Mintz p_queue->bdq_pbl_num_entries[BDQ_ID_IMM_DATA] = 226fc831825SYuval Mintz p_params->bdq_pbl_num_entries[BDQ_ID_IMM_DATA]; 227fc831825SYuval Mintz val = p_params->bdq_xoff_threshold[BDQ_ID_IMM_DATA]; 228fc831825SYuval Mintz p_queue->bdq_xoff_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(val); 229fc831825SYuval Mintz val = p_params->bdq_xon_threshold[BDQ_ID_IMM_DATA]; 230fc831825SYuval Mintz p_queue->bdq_xon_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(val); 231fc831825SYuval Mintz val = p_params->rq_buffer_size; 232fc831825SYuval Mintz p_queue->rq_buffer_size = cpu_to_le16(val); 233fc831825SYuval Mintz if (p_params->is_target) { 234fc831825SYuval Mintz SET_FIELD(p_queue->q_validity, 235fc831825SYuval Mintz SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1); 236fc831825SYuval Mintz if (p_queue->bdq_pbl_num_entries[BDQ_ID_IMM_DATA]) 237fc831825SYuval Mintz SET_FIELD(p_queue->q_validity, 238fc831825SYuval Mintz SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID, 1); 239fc831825SYuval Mintz SET_FIELD(p_queue->q_validity, 240fc831825SYuval Mintz SCSI_INIT_FUNC_QUEUES_CMD_VALID, 1); 241fc831825SYuval Mintz } else { 242fc831825SYuval Mintz SET_FIELD(p_queue->q_validity, 243fc831825SYuval Mintz SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1); 244fc831825SYuval Mintz } 245fc831825SYuval Mintz p_ramrod->tcp_init.two_msl_timer = cpu_to_le32(p_params->two_msl_timer); 246fc831825SYuval Mintz val = p_params->tx_sws_timer; 247fc831825SYuval Mintz p_ramrod->tcp_init.tx_sws_timer = cpu_to_le16(val); 248a2e7699eSTomer Tayar p_ramrod->tcp_init.max_fin_rt = p_params->max_fin_rt; 249fc831825SYuval Mintz 250fc831825SYuval Mintz p_hwfn->p_iscsi_info->event_context = event_context; 251fc831825SYuval Mintz p_hwfn->p_iscsi_info->event_cb = async_event_cb; 252fc831825SYuval Mintz 2536c9e80eaSMichal Kalderon qed_spq_register_async_cb(p_hwfn, PROTOCOLID_ISCSI, 2546c9e80eaSMichal Kalderon qed_iscsi_async_event); 2556c9e80eaSMichal Kalderon 256fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 257fc831825SYuval Mintz } 258fc831825SYuval Mintz 259fc831825SYuval Mintz static int qed_sp_iscsi_conn_offload(struct qed_hwfn *p_hwfn, 260fc831825SYuval Mintz struct qed_iscsi_conn *p_conn, 261fc831825SYuval Mintz enum spq_mode comp_mode, 262fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 263fc831825SYuval Mintz { 264fc831825SYuval Mintz struct iscsi_spe_conn_offload *p_ramrod = NULL; 265fc831825SYuval Mintz struct tcp_offload_params_opt2 *p_tcp2 = NULL; 266fc831825SYuval Mintz struct tcp_offload_params *p_tcp = NULL; 267fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 268fc831825SYuval Mintz struct qed_sp_init_data init_data; 269fc831825SYuval Mintz dma_addr_t r2tq_pbl_addr; 270fc831825SYuval Mintz dma_addr_t xhq_pbl_addr; 271fc831825SYuval Mintz dma_addr_t uhq_pbl_addr; 272b5a9ee7cSAriel Elior u16 physical_q; 273fc831825SYuval Mintz int rc = 0; 274fc831825SYuval Mintz u32 dval; 275fc831825SYuval Mintz u16 wval; 276fc831825SYuval Mintz u16 *p; 277a2e7699eSTomer Tayar u8 i; 278fc831825SYuval Mintz 279fc831825SYuval Mintz /* Get SPQ entry */ 280fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 281fc831825SYuval Mintz init_data.cid = p_conn->icid; 282fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 283fc831825SYuval Mintz init_data.comp_mode = comp_mode; 284fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 285fc831825SYuval Mintz 286fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 287fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN, 288fc831825SYuval Mintz PROTOCOLID_ISCSI, &init_data); 289fc831825SYuval Mintz if (rc) 290fc831825SYuval Mintz return rc; 291fc831825SYuval Mintz 292fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_conn_offload; 293fc831825SYuval Mintz 294fc831825SYuval Mintz /* Transmission PQ is the first of the PF */ 295b5a9ee7cSAriel Elior physical_q = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD); 296b5a9ee7cSAriel Elior p_conn->physical_q0 = cpu_to_le16(physical_q); 297b5a9ee7cSAriel Elior p_ramrod->iscsi.physical_q0 = cpu_to_le16(physical_q); 298fc831825SYuval Mintz 299fc831825SYuval Mintz /* iSCSI Pure-ACK PQ */ 300b5a9ee7cSAriel Elior physical_q = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_ACK); 301b5a9ee7cSAriel Elior p_conn->physical_q1 = cpu_to_le16(physical_q); 302b5a9ee7cSAriel Elior p_ramrod->iscsi.physical_q1 = cpu_to_le16(physical_q); 303fc831825SYuval Mintz 304fc831825SYuval Mintz p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id); 305fc831825SYuval Mintz 306fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->iscsi.sq_pbl_addr, p_conn->sq_pbl_addr); 307fc831825SYuval Mintz 308fc831825SYuval Mintz r2tq_pbl_addr = qed_chain_get_pbl_phys(&p_conn->r2tq); 309fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->iscsi.r2tq_pbl_addr, r2tq_pbl_addr); 310fc831825SYuval Mintz 311fc831825SYuval Mintz xhq_pbl_addr = qed_chain_get_pbl_phys(&p_conn->xhq); 312fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->iscsi.xhq_pbl_addr, xhq_pbl_addr); 313fc831825SYuval Mintz 314fc831825SYuval Mintz uhq_pbl_addr = qed_chain_get_pbl_phys(&p_conn->uhq); 315fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->iscsi.uhq_pbl_addr, uhq_pbl_addr); 316fc831825SYuval Mintz 317fc831825SYuval Mintz p_ramrod->iscsi.initial_ack = cpu_to_le32(p_conn->initial_ack); 318fc831825SYuval Mintz p_ramrod->iscsi.flags = p_conn->offl_flags; 319fc831825SYuval Mintz p_ramrod->iscsi.default_cq = p_conn->default_cq; 320fc831825SYuval Mintz p_ramrod->iscsi.stat_sn = cpu_to_le32(p_conn->stat_sn); 321fc831825SYuval Mintz 322fc831825SYuval Mintz if (!GET_FIELD(p_ramrod->iscsi.flags, 323fc831825SYuval Mintz ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B)) { 324fc831825SYuval Mintz p_tcp = &p_ramrod->tcp; 325fc831825SYuval Mintz 326fc831825SYuval Mintz p = (u16 *)p_conn->local_mac; 327fc831825SYuval Mintz p_tcp->local_mac_addr_hi = swab16(get_unaligned(p)); 328fc831825SYuval Mintz p_tcp->local_mac_addr_mid = swab16(get_unaligned(p + 1)); 329fc831825SYuval Mintz p_tcp->local_mac_addr_lo = swab16(get_unaligned(p + 2)); 330fc831825SYuval Mintz 331fc831825SYuval Mintz p = (u16 *)p_conn->remote_mac; 332fc831825SYuval Mintz p_tcp->remote_mac_addr_hi = swab16(get_unaligned(p)); 333fc831825SYuval Mintz p_tcp->remote_mac_addr_mid = swab16(get_unaligned(p + 1)); 334fc831825SYuval Mintz p_tcp->remote_mac_addr_lo = swab16(get_unaligned(p + 2)); 335fc831825SYuval Mintz 336fc831825SYuval Mintz p_tcp->vlan_id = cpu_to_le16(p_conn->vlan_id); 337fc831825SYuval Mintz 338da090917STomer Tayar p_tcp->flags = cpu_to_le16(p_conn->tcp_flags); 339fc831825SYuval Mintz p_tcp->ip_version = p_conn->ip_version; 340fc831825SYuval Mintz for (i = 0; i < 4; i++) { 341fc831825SYuval Mintz dval = p_conn->remote_ip[i]; 342fc831825SYuval Mintz p_tcp->remote_ip[i] = cpu_to_le32(dval); 343fc831825SYuval Mintz dval = p_conn->local_ip[i]; 344fc831825SYuval Mintz p_tcp->local_ip[i] = cpu_to_le32(dval); 345fc831825SYuval Mintz } 346fc831825SYuval Mintz p_tcp->ka_max_probe_cnt = p_conn->ka_max_probe_cnt; 347fc831825SYuval Mintz p_tcp->dup_ack_theshold = p_conn->dup_ack_theshold; 348fc831825SYuval Mintz 349fc831825SYuval Mintz p_tcp->rcv_next = cpu_to_le32(p_conn->rcv_next); 350fc831825SYuval Mintz p_tcp->snd_una = cpu_to_le32(p_conn->snd_una); 351fc831825SYuval Mintz p_tcp->snd_next = cpu_to_le32(p_conn->snd_next); 352fc831825SYuval Mintz p_tcp->snd_max = cpu_to_le32(p_conn->snd_max); 353fc831825SYuval Mintz p_tcp->snd_wnd = cpu_to_le32(p_conn->snd_wnd); 354fc831825SYuval Mintz p_tcp->rcv_wnd = cpu_to_le32(p_conn->rcv_wnd); 355fc831825SYuval Mintz p_tcp->snd_wl1 = cpu_to_le32(p_conn->snd_wl1); 356fc831825SYuval Mintz p_tcp->cwnd = cpu_to_le32(p_conn->cwnd); 357fc831825SYuval Mintz p_tcp->ss_thresh = cpu_to_le32(p_conn->ss_thresh); 358fc831825SYuval Mintz p_tcp->srtt = cpu_to_le16(p_conn->srtt); 359fc831825SYuval Mintz p_tcp->rtt_var = cpu_to_le16(p_conn->rtt_var); 360fc831825SYuval Mintz p_tcp->ts_recent = cpu_to_le32(p_conn->ts_recent); 361fc831825SYuval Mintz p_tcp->ts_recent_age = cpu_to_le32(p_conn->ts_recent_age); 362fc831825SYuval Mintz p_tcp->total_rt = cpu_to_le32(p_conn->total_rt); 363fc831825SYuval Mintz dval = p_conn->ka_timeout_delta; 364fc831825SYuval Mintz p_tcp->ka_timeout_delta = cpu_to_le32(dval); 365fc831825SYuval Mintz dval = p_conn->rt_timeout_delta; 366fc831825SYuval Mintz p_tcp->rt_timeout_delta = cpu_to_le32(dval); 367fc831825SYuval Mintz p_tcp->dup_ack_cnt = p_conn->dup_ack_cnt; 368fc831825SYuval Mintz p_tcp->snd_wnd_probe_cnt = p_conn->snd_wnd_probe_cnt; 369fc831825SYuval Mintz p_tcp->ka_probe_cnt = p_conn->ka_probe_cnt; 370fc831825SYuval Mintz p_tcp->rt_cnt = p_conn->rt_cnt; 371fc831825SYuval Mintz p_tcp->flow_label = cpu_to_le32(p_conn->flow_label); 372fc831825SYuval Mintz p_tcp->ka_timeout = cpu_to_le32(p_conn->ka_timeout); 373fc831825SYuval Mintz p_tcp->ka_interval = cpu_to_le32(p_conn->ka_interval); 374fc831825SYuval Mintz p_tcp->max_rt_time = cpu_to_le32(p_conn->max_rt_time); 375fc831825SYuval Mintz dval = p_conn->initial_rcv_wnd; 376fc831825SYuval Mintz p_tcp->initial_rcv_wnd = cpu_to_le32(dval); 377fc831825SYuval Mintz p_tcp->ttl = p_conn->ttl; 378fc831825SYuval Mintz p_tcp->tos_or_tc = p_conn->tos_or_tc; 379fc831825SYuval Mintz p_tcp->remote_port = cpu_to_le16(p_conn->remote_port); 380fc831825SYuval Mintz p_tcp->local_port = cpu_to_le16(p_conn->local_port); 381fc831825SYuval Mintz p_tcp->mss = cpu_to_le16(p_conn->mss); 382fc831825SYuval Mintz p_tcp->snd_wnd_scale = p_conn->snd_wnd_scale; 383fc831825SYuval Mintz p_tcp->rcv_wnd_scale = p_conn->rcv_wnd_scale; 384fc831825SYuval Mintz wval = p_conn->da_timeout_value; 385fc831825SYuval Mintz p_tcp->da_timeout_value = cpu_to_le16(wval); 386fc831825SYuval Mintz p_tcp->ack_frequency = p_conn->ack_frequency; 387fc831825SYuval Mintz p_tcp->connect_mode = p_conn->connect_mode; 388fc831825SYuval Mintz } else { 389fc831825SYuval Mintz p_tcp2 = 390fc831825SYuval Mintz &((struct iscsi_spe_conn_offload_option2 *)p_ramrod)->tcp; 391fc831825SYuval Mintz 392fc831825SYuval Mintz p = (u16 *)p_conn->local_mac; 393fc831825SYuval Mintz p_tcp2->local_mac_addr_hi = swab16(get_unaligned(p)); 394fc831825SYuval Mintz p_tcp2->local_mac_addr_mid = swab16(get_unaligned(p + 1)); 395fc831825SYuval Mintz p_tcp2->local_mac_addr_lo = swab16(get_unaligned(p + 2)); 396fc831825SYuval Mintz 397fc831825SYuval Mintz p = (u16 *)p_conn->remote_mac; 398fc831825SYuval Mintz p_tcp2->remote_mac_addr_hi = swab16(get_unaligned(p)); 399fc831825SYuval Mintz p_tcp2->remote_mac_addr_mid = swab16(get_unaligned(p + 1)); 400fc831825SYuval Mintz p_tcp2->remote_mac_addr_lo = swab16(get_unaligned(p + 2)); 401fc831825SYuval Mintz 402fc831825SYuval Mintz p_tcp2->vlan_id = cpu_to_le16(p_conn->vlan_id); 403da090917STomer Tayar p_tcp2->flags = cpu_to_le16(p_conn->tcp_flags); 404fc831825SYuval Mintz 405fc831825SYuval Mintz p_tcp2->ip_version = p_conn->ip_version; 406fc831825SYuval Mintz for (i = 0; i < 4; i++) { 407fc831825SYuval Mintz dval = p_conn->remote_ip[i]; 408fc831825SYuval Mintz p_tcp2->remote_ip[i] = cpu_to_le32(dval); 409fc831825SYuval Mintz dval = p_conn->local_ip[i]; 410fc831825SYuval Mintz p_tcp2->local_ip[i] = cpu_to_le32(dval); 411fc831825SYuval Mintz } 412fc831825SYuval Mintz 413fc831825SYuval Mintz p_tcp2->flow_label = cpu_to_le32(p_conn->flow_label); 414fc831825SYuval Mintz p_tcp2->ttl = p_conn->ttl; 415fc831825SYuval Mintz p_tcp2->tos_or_tc = p_conn->tos_or_tc; 416fc831825SYuval Mintz p_tcp2->remote_port = cpu_to_le16(p_conn->remote_port); 417fc831825SYuval Mintz p_tcp2->local_port = cpu_to_le16(p_conn->local_port); 418fc831825SYuval Mintz p_tcp2->mss = cpu_to_le16(p_conn->mss); 419fc831825SYuval Mintz p_tcp2->rcv_wnd_scale = p_conn->rcv_wnd_scale; 420fc831825SYuval Mintz p_tcp2->connect_mode = p_conn->connect_mode; 421fc831825SYuval Mintz wval = p_conn->syn_ip_payload_length; 422fc831825SYuval Mintz p_tcp2->syn_ip_payload_length = cpu_to_le16(wval); 423fc831825SYuval Mintz p_tcp2->syn_phy_addr_lo = DMA_LO_LE(p_conn->syn_phy_addr); 424fc831825SYuval Mintz p_tcp2->syn_phy_addr_hi = DMA_HI_LE(p_conn->syn_phy_addr); 425da090917STomer Tayar p_tcp2->cwnd = cpu_to_le32(p_conn->cwnd); 426da090917STomer Tayar p_tcp2->ka_max_probe_cnt = p_conn->ka_probe_cnt; 427da090917STomer Tayar p_tcp2->ka_timeout = cpu_to_le32(p_conn->ka_timeout); 428da090917STomer Tayar p_tcp2->max_rt_time = cpu_to_le32(p_conn->max_rt_time); 429da090917STomer Tayar p_tcp2->ka_interval = cpu_to_le32(p_conn->ka_interval); 430fc831825SYuval Mintz } 431fc831825SYuval Mintz 432fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 433fc831825SYuval Mintz } 434fc831825SYuval Mintz 435fc831825SYuval Mintz static int qed_sp_iscsi_conn_update(struct qed_hwfn *p_hwfn, 436fc831825SYuval Mintz struct qed_iscsi_conn *p_conn, 437fc831825SYuval Mintz enum spq_mode comp_mode, 438fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 439fc831825SYuval Mintz { 440fc831825SYuval Mintz struct iscsi_conn_update_ramrod_params *p_ramrod = NULL; 441fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 442fc831825SYuval Mintz struct qed_sp_init_data init_data; 443fc831825SYuval Mintz int rc = -EINVAL; 444fc831825SYuval Mintz u32 dval; 445fc831825SYuval Mintz 446fc831825SYuval Mintz /* Get SPQ entry */ 447fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 448fc831825SYuval Mintz init_data.cid = p_conn->icid; 449fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 450fc831825SYuval Mintz init_data.comp_mode = comp_mode; 451fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 452fc831825SYuval Mintz 453fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 454fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_UPDATE_CONN, 455fc831825SYuval Mintz PROTOCOLID_ISCSI, &init_data); 456fc831825SYuval Mintz if (rc) 457fc831825SYuval Mintz return rc; 458fc831825SYuval Mintz 459fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_conn_update; 460fc831825SYuval Mintz 461fc831825SYuval Mintz p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id); 462fc831825SYuval Mintz p_ramrod->flags = p_conn->update_flag; 463fc831825SYuval Mintz p_ramrod->max_seq_size = cpu_to_le32(p_conn->max_seq_size); 464fc831825SYuval Mintz dval = p_conn->max_recv_pdu_length; 465fc831825SYuval Mintz p_ramrod->max_recv_pdu_length = cpu_to_le32(dval); 466fc831825SYuval Mintz dval = p_conn->max_send_pdu_length; 467fc831825SYuval Mintz p_ramrod->max_send_pdu_length = cpu_to_le32(dval); 468fc831825SYuval Mintz dval = p_conn->first_seq_length; 469fc831825SYuval Mintz p_ramrod->first_seq_length = cpu_to_le32(dval); 470fc831825SYuval Mintz p_ramrod->exp_stat_sn = cpu_to_le32(p_conn->exp_stat_sn); 471fc831825SYuval Mintz 472fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 473fc831825SYuval Mintz } 474fc831825SYuval Mintz 475dc4528e9SMintz, Yuval static int 476dc4528e9SMintz, Yuval qed_sp_iscsi_mac_update(struct qed_hwfn *p_hwfn, 477dc4528e9SMintz, Yuval struct qed_iscsi_conn *p_conn, 478dc4528e9SMintz, Yuval enum spq_mode comp_mode, 479dc4528e9SMintz, Yuval struct qed_spq_comp_cb *p_comp_addr) 480dc4528e9SMintz, Yuval { 481dc4528e9SMintz, Yuval struct iscsi_spe_conn_mac_update *p_ramrod = NULL; 482dc4528e9SMintz, Yuval struct qed_spq_entry *p_ent = NULL; 483dc4528e9SMintz, Yuval struct qed_sp_init_data init_data; 484dc4528e9SMintz, Yuval int rc = -EINVAL; 485dc4528e9SMintz, Yuval u8 ucval; 486dc4528e9SMintz, Yuval 487dc4528e9SMintz, Yuval /* Get SPQ entry */ 488dc4528e9SMintz, Yuval memset(&init_data, 0, sizeof(init_data)); 489dc4528e9SMintz, Yuval init_data.cid = p_conn->icid; 490dc4528e9SMintz, Yuval init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 491dc4528e9SMintz, Yuval init_data.comp_mode = comp_mode; 492dc4528e9SMintz, Yuval init_data.p_comp_data = p_comp_addr; 493dc4528e9SMintz, Yuval 494dc4528e9SMintz, Yuval rc = qed_sp_init_request(p_hwfn, &p_ent, 495dc4528e9SMintz, Yuval ISCSI_RAMROD_CMD_ID_MAC_UPDATE, 496dc4528e9SMintz, Yuval PROTOCOLID_ISCSI, &init_data); 497dc4528e9SMintz, Yuval if (rc) 498dc4528e9SMintz, Yuval return rc; 499dc4528e9SMintz, Yuval 500dc4528e9SMintz, Yuval p_ramrod = &p_ent->ramrod.iscsi_conn_mac_update; 501dc4528e9SMintz, Yuval 502dc4528e9SMintz, Yuval p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id); 503dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[1]; 504dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_hi))[0] = ucval; 505dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[0]; 506dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_hi))[1] = ucval; 507dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[3]; 508dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_mid))[0] = ucval; 509dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[2]; 510dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_mid))[1] = ucval; 511dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[5]; 512dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_lo))[0] = ucval; 513dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[4]; 514dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_lo))[1] = ucval; 515dc4528e9SMintz, Yuval 516dc4528e9SMintz, Yuval return qed_spq_post(p_hwfn, p_ent, NULL); 517dc4528e9SMintz, Yuval } 518dc4528e9SMintz, Yuval 519fc831825SYuval Mintz static int qed_sp_iscsi_conn_terminate(struct qed_hwfn *p_hwfn, 520fc831825SYuval Mintz struct qed_iscsi_conn *p_conn, 521fc831825SYuval Mintz enum spq_mode comp_mode, 522fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 523fc831825SYuval Mintz { 524fc831825SYuval Mintz struct iscsi_spe_conn_termination *p_ramrod = NULL; 525fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 526fc831825SYuval Mintz struct qed_sp_init_data init_data; 527fc831825SYuval Mintz int rc = -EINVAL; 528fc831825SYuval Mintz 529fc831825SYuval Mintz /* Get SPQ entry */ 530fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 531fc831825SYuval Mintz init_data.cid = p_conn->icid; 532fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 533fc831825SYuval Mintz init_data.comp_mode = comp_mode; 534fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 535fc831825SYuval Mintz 536fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 537fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_TERMINATION_CONN, 538fc831825SYuval Mintz PROTOCOLID_ISCSI, &init_data); 539fc831825SYuval Mintz if (rc) 540fc831825SYuval Mintz return rc; 541fc831825SYuval Mintz 542fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_conn_terminate; 543fc831825SYuval Mintz 544fc831825SYuval Mintz p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id); 545fc831825SYuval Mintz p_ramrod->abortive = p_conn->abortive_dsconnect; 546fc831825SYuval Mintz 547fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->query_params_addr, 548fc831825SYuval Mintz p_conn->tcp_upload_params_phys_addr); 549fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->queue_cnts_addr, p_conn->queue_cnts_phys_addr); 550fc831825SYuval Mintz 551fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 552fc831825SYuval Mintz } 553fc831825SYuval Mintz 554fc831825SYuval Mintz static int qed_sp_iscsi_conn_clear_sq(struct qed_hwfn *p_hwfn, 555fc831825SYuval Mintz struct qed_iscsi_conn *p_conn, 556fc831825SYuval Mintz enum spq_mode comp_mode, 557fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 558fc831825SYuval Mintz { 559fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 560fc831825SYuval Mintz struct qed_sp_init_data init_data; 561fc831825SYuval Mintz int rc = -EINVAL; 562fc831825SYuval Mintz 563fc831825SYuval Mintz /* Get SPQ entry */ 564fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 565fc831825SYuval Mintz init_data.cid = p_conn->icid; 566fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 567fc831825SYuval Mintz init_data.comp_mode = comp_mode; 568fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 569fc831825SYuval Mintz 570fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 571fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_CLEAR_SQ, 572fc831825SYuval Mintz PROTOCOLID_ISCSI, &init_data); 573fc831825SYuval Mintz if (rc) 574fc831825SYuval Mintz return rc; 575fc831825SYuval Mintz 576fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 577fc831825SYuval Mintz } 578fc831825SYuval Mintz 579fc831825SYuval Mintz static int qed_sp_iscsi_func_stop(struct qed_hwfn *p_hwfn, 580fc831825SYuval Mintz enum spq_mode comp_mode, 581fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 582fc831825SYuval Mintz { 583fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 584fc831825SYuval Mintz struct qed_sp_init_data init_data; 585fc831825SYuval Mintz int rc = 0; 586fc831825SYuval Mintz 587fc831825SYuval Mintz /* Get SPQ entry */ 588fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 589fc831825SYuval Mintz init_data.cid = qed_spq_get_cid(p_hwfn); 590fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 591fc831825SYuval Mintz init_data.comp_mode = comp_mode; 592fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 593fc831825SYuval Mintz 594fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 595fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_DESTROY_FUNC, 596fc831825SYuval Mintz PROTOCOLID_ISCSI, &init_data); 597fc831825SYuval Mintz if (rc) 598fc831825SYuval Mintz return rc; 599fc831825SYuval Mintz 6006c9e80eaSMichal Kalderon rc = qed_spq_post(p_hwfn, p_ent, NULL); 6016c9e80eaSMichal Kalderon 6026c9e80eaSMichal Kalderon qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_ISCSI); 6036c9e80eaSMichal Kalderon return rc; 604fc831825SYuval Mintz } 605fc831825SYuval Mintz 606fc831825SYuval Mintz static void __iomem *qed_iscsi_get_db_addr(struct qed_hwfn *p_hwfn, u32 cid) 607fc831825SYuval Mintz { 608fc831825SYuval Mintz return (u8 __iomem *)p_hwfn->doorbells + 609fc831825SYuval Mintz qed_db_addr(cid, DQ_DEMS_LEGACY); 610fc831825SYuval Mintz } 611fc831825SYuval Mintz 612fc831825SYuval Mintz static void __iomem *qed_iscsi_get_primary_bdq_prod(struct qed_hwfn *p_hwfn, 613fc831825SYuval Mintz u8 bdq_id) 614fc831825SYuval Mintz { 615d0d40a73SMintz, Yuval if (RESC_NUM(p_hwfn, QED_BDQ)) { 616d0d40a73SMintz, Yuval return (u8 __iomem *)p_hwfn->regview + 617d0d40a73SMintz, Yuval GTT_BAR0_MAP_REG_MSDM_RAM + 618d0d40a73SMintz, Yuval MSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn, 619d0d40a73SMintz, Yuval QED_BDQ), 620fc831825SYuval Mintz bdq_id); 621d0d40a73SMintz, Yuval } else { 622d0d40a73SMintz, Yuval DP_NOTICE(p_hwfn, "BDQ is not allocated!\n"); 623d0d40a73SMintz, Yuval return NULL; 624d0d40a73SMintz, Yuval } 625fc831825SYuval Mintz } 626fc831825SYuval Mintz 627fc831825SYuval Mintz static void __iomem *qed_iscsi_get_secondary_bdq_prod(struct qed_hwfn *p_hwfn, 628fc831825SYuval Mintz u8 bdq_id) 629fc831825SYuval Mintz { 630d0d40a73SMintz, Yuval if (RESC_NUM(p_hwfn, QED_BDQ)) { 631d0d40a73SMintz, Yuval return (u8 __iomem *)p_hwfn->regview + 632d0d40a73SMintz, Yuval GTT_BAR0_MAP_REG_TSDM_RAM + 633d0d40a73SMintz, Yuval TSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn, 634d0d40a73SMintz, Yuval QED_BDQ), 635fc831825SYuval Mintz bdq_id); 636d0d40a73SMintz, Yuval } else { 637d0d40a73SMintz, Yuval DP_NOTICE(p_hwfn, "BDQ is not allocated!\n"); 638d0d40a73SMintz, Yuval return NULL; 639d0d40a73SMintz, Yuval } 640fc831825SYuval Mintz } 641fc831825SYuval Mintz 642da090917STomer Tayar static int qed_iscsi_setup_connection(struct qed_iscsi_conn *p_conn) 643fc831825SYuval Mintz { 644fc831825SYuval Mintz if (!p_conn->queue_cnts_virt_addr) 645fc831825SYuval Mintz goto nomem; 646fc831825SYuval Mintz memset(p_conn->queue_cnts_virt_addr, 0, 647fc831825SYuval Mintz sizeof(*p_conn->queue_cnts_virt_addr)); 648fc831825SYuval Mintz 649fc831825SYuval Mintz if (!p_conn->tcp_upload_params_virt_addr) 650fc831825SYuval Mintz goto nomem; 651fc831825SYuval Mintz memset(p_conn->tcp_upload_params_virt_addr, 0, 652fc831825SYuval Mintz sizeof(*p_conn->tcp_upload_params_virt_addr)); 653fc831825SYuval Mintz 654fc831825SYuval Mintz if (!p_conn->r2tq.p_virt_addr) 655fc831825SYuval Mintz goto nomem; 656fc831825SYuval Mintz qed_chain_pbl_zero_mem(&p_conn->r2tq); 657fc831825SYuval Mintz 658fc831825SYuval Mintz if (!p_conn->uhq.p_virt_addr) 659fc831825SYuval Mintz goto nomem; 660fc831825SYuval Mintz qed_chain_pbl_zero_mem(&p_conn->uhq); 661fc831825SYuval Mintz 662fc831825SYuval Mintz if (!p_conn->xhq.p_virt_addr) 663fc831825SYuval Mintz goto nomem; 664fc831825SYuval Mintz qed_chain_pbl_zero_mem(&p_conn->xhq); 665fc831825SYuval Mintz 666fc831825SYuval Mintz return 0; 667fc831825SYuval Mintz nomem: 668fc831825SYuval Mintz return -ENOMEM; 669fc831825SYuval Mintz } 670fc831825SYuval Mintz 671fc831825SYuval Mintz static int qed_iscsi_allocate_connection(struct qed_hwfn *p_hwfn, 672fc831825SYuval Mintz struct qed_iscsi_conn **p_out_conn) 673fc831825SYuval Mintz { 674fc831825SYuval Mintz u16 uhq_num_elements = 0, xhq_num_elements = 0, r2tq_num_elements = 0; 675fc831825SYuval Mintz struct scsi_terminate_extra_params *p_q_cnts = NULL; 676fc831825SYuval Mintz struct qed_iscsi_pf_params *p_params = NULL; 677fc831825SYuval Mintz struct tcp_upload_params *p_tcp = NULL; 678fc831825SYuval Mintz struct qed_iscsi_conn *p_conn = NULL; 679fc831825SYuval Mintz int rc = 0; 680fc831825SYuval Mintz 681fc831825SYuval Mintz /* Try finding a free connection that can be used */ 682fc831825SYuval Mintz spin_lock_bh(&p_hwfn->p_iscsi_info->lock); 683fc831825SYuval Mintz if (!list_empty(&p_hwfn->p_iscsi_info->free_list)) 684fc831825SYuval Mintz p_conn = list_first_entry(&p_hwfn->p_iscsi_info->free_list, 685fc831825SYuval Mintz struct qed_iscsi_conn, list_entry); 686fc831825SYuval Mintz if (p_conn) { 687fc831825SYuval Mintz list_del(&p_conn->list_entry); 688fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 689fc831825SYuval Mintz *p_out_conn = p_conn; 690fc831825SYuval Mintz return 0; 691fc831825SYuval Mintz } 692fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 693fc831825SYuval Mintz 694fc831825SYuval Mintz /* Need to allocate a new connection */ 695fc831825SYuval Mintz p_params = &p_hwfn->pf_params.iscsi_pf_params; 696fc831825SYuval Mintz 697fc831825SYuval Mintz p_conn = kzalloc(sizeof(*p_conn), GFP_KERNEL); 698fc831825SYuval Mintz if (!p_conn) 699fc831825SYuval Mintz return -ENOMEM; 700fc831825SYuval Mintz 701fc831825SYuval Mintz p_q_cnts = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 702fc831825SYuval Mintz sizeof(*p_q_cnts), 703fc831825SYuval Mintz &p_conn->queue_cnts_phys_addr, 704fc831825SYuval Mintz GFP_KERNEL); 705fc831825SYuval Mintz if (!p_q_cnts) 706fc831825SYuval Mintz goto nomem_queue_cnts_param; 707fc831825SYuval Mintz p_conn->queue_cnts_virt_addr = p_q_cnts; 708fc831825SYuval Mintz 709fc831825SYuval Mintz p_tcp = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 710fc831825SYuval Mintz sizeof(*p_tcp), 711fc831825SYuval Mintz &p_conn->tcp_upload_params_phys_addr, 712fc831825SYuval Mintz GFP_KERNEL); 713fc831825SYuval Mintz if (!p_tcp) 714fc831825SYuval Mintz goto nomem_upload_param; 715fc831825SYuval Mintz p_conn->tcp_upload_params_virt_addr = p_tcp; 716fc831825SYuval Mintz 717fc831825SYuval Mintz r2tq_num_elements = p_params->num_r2tq_pages_in_ring * 718fc831825SYuval Mintz QED_CHAIN_PAGE_SIZE / 0x80; 719fc831825SYuval Mintz rc = qed_chain_alloc(p_hwfn->cdev, 720fc831825SYuval Mintz QED_CHAIN_USE_TO_CONSUME_PRODUCE, 721fc831825SYuval Mintz QED_CHAIN_MODE_PBL, 722fc831825SYuval Mintz QED_CHAIN_CNT_TYPE_U16, 7231a4a6975SMintz, Yuval r2tq_num_elements, 0x80, &p_conn->r2tq, NULL); 724fc831825SYuval Mintz if (rc) 725fc831825SYuval Mintz goto nomem_r2tq; 726fc831825SYuval Mintz 727fc831825SYuval Mintz uhq_num_elements = p_params->num_uhq_pages_in_ring * 728fc831825SYuval Mintz QED_CHAIN_PAGE_SIZE / sizeof(struct iscsi_uhqe); 729fc831825SYuval Mintz rc = qed_chain_alloc(p_hwfn->cdev, 730fc831825SYuval Mintz QED_CHAIN_USE_TO_CONSUME_PRODUCE, 731fc831825SYuval Mintz QED_CHAIN_MODE_PBL, 732fc831825SYuval Mintz QED_CHAIN_CNT_TYPE_U16, 733fc831825SYuval Mintz uhq_num_elements, 7341a4a6975SMintz, Yuval sizeof(struct iscsi_uhqe), &p_conn->uhq, NULL); 735fc831825SYuval Mintz if (rc) 736fc831825SYuval Mintz goto nomem_uhq; 737fc831825SYuval Mintz 738fc831825SYuval Mintz xhq_num_elements = uhq_num_elements; 739fc831825SYuval Mintz rc = qed_chain_alloc(p_hwfn->cdev, 740fc831825SYuval Mintz QED_CHAIN_USE_TO_CONSUME_PRODUCE, 741fc831825SYuval Mintz QED_CHAIN_MODE_PBL, 742fc831825SYuval Mintz QED_CHAIN_CNT_TYPE_U16, 743fc831825SYuval Mintz xhq_num_elements, 7441a4a6975SMintz, Yuval sizeof(struct iscsi_xhqe), &p_conn->xhq, NULL); 745fc831825SYuval Mintz if (rc) 746fc831825SYuval Mintz goto nomem; 747fc831825SYuval Mintz 748fc831825SYuval Mintz p_conn->free_on_delete = true; 749fc831825SYuval Mintz *p_out_conn = p_conn; 750fc831825SYuval Mintz return 0; 751fc831825SYuval Mintz 752fc831825SYuval Mintz nomem: 753fc831825SYuval Mintz qed_chain_free(p_hwfn->cdev, &p_conn->uhq); 754fc831825SYuval Mintz nomem_uhq: 755fc831825SYuval Mintz qed_chain_free(p_hwfn->cdev, &p_conn->r2tq); 756fc831825SYuval Mintz nomem_r2tq: 757fc831825SYuval Mintz dma_free_coherent(&p_hwfn->cdev->pdev->dev, 758fc831825SYuval Mintz sizeof(struct tcp_upload_params), 759fc831825SYuval Mintz p_conn->tcp_upload_params_virt_addr, 760fc831825SYuval Mintz p_conn->tcp_upload_params_phys_addr); 761fc831825SYuval Mintz nomem_upload_param: 762fc831825SYuval Mintz dma_free_coherent(&p_hwfn->cdev->pdev->dev, 763fc831825SYuval Mintz sizeof(struct scsi_terminate_extra_params), 764fc831825SYuval Mintz p_conn->queue_cnts_virt_addr, 765fc831825SYuval Mintz p_conn->queue_cnts_phys_addr); 766fc831825SYuval Mintz nomem_queue_cnts_param: 767fc831825SYuval Mintz kfree(p_conn); 768fc831825SYuval Mintz 769fc831825SYuval Mintz return -ENOMEM; 770fc831825SYuval Mintz } 771fc831825SYuval Mintz 772fc831825SYuval Mintz static int qed_iscsi_acquire_connection(struct qed_hwfn *p_hwfn, 773fc831825SYuval Mintz struct qed_iscsi_conn *p_in_conn, 774fc831825SYuval Mintz struct qed_iscsi_conn **p_out_conn) 775fc831825SYuval Mintz { 776fc831825SYuval Mintz struct qed_iscsi_conn *p_conn = NULL; 777fc831825SYuval Mintz int rc = 0; 778fc831825SYuval Mintz u32 icid; 779fc831825SYuval Mintz 780fc831825SYuval Mintz spin_lock_bh(&p_hwfn->p_iscsi_info->lock); 781fc831825SYuval Mintz rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_ISCSI, &icid); 782fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 783fc831825SYuval Mintz if (rc) 784fc831825SYuval Mintz return rc; 785fc831825SYuval Mintz 786fc831825SYuval Mintz /* Use input connection or allocate a new one */ 787fc831825SYuval Mintz if (p_in_conn) 788fc831825SYuval Mintz p_conn = p_in_conn; 789fc831825SYuval Mintz else 790fc831825SYuval Mintz rc = qed_iscsi_allocate_connection(p_hwfn, &p_conn); 791fc831825SYuval Mintz 792fc831825SYuval Mintz if (!rc) 793da090917STomer Tayar rc = qed_iscsi_setup_connection(p_conn); 794fc831825SYuval Mintz 795fc831825SYuval Mintz if (rc) { 796fc831825SYuval Mintz spin_lock_bh(&p_hwfn->p_iscsi_info->lock); 797fc831825SYuval Mintz qed_cxt_release_cid(p_hwfn, icid); 798fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 799fc831825SYuval Mintz return rc; 800fc831825SYuval Mintz } 801fc831825SYuval Mintz 802fc831825SYuval Mintz p_conn->icid = icid; 803fc831825SYuval Mintz p_conn->conn_id = (u16)icid; 804fc831825SYuval Mintz p_conn->fw_cid = (p_hwfn->hw_info.opaque_fid << 16) | icid; 805fc831825SYuval Mintz 806fc831825SYuval Mintz *p_out_conn = p_conn; 807fc831825SYuval Mintz 808fc831825SYuval Mintz return rc; 809fc831825SYuval Mintz } 810fc831825SYuval Mintz 811fc831825SYuval Mintz static void qed_iscsi_release_connection(struct qed_hwfn *p_hwfn, 812fc831825SYuval Mintz struct qed_iscsi_conn *p_conn) 813fc831825SYuval Mintz { 814fc831825SYuval Mintz spin_lock_bh(&p_hwfn->p_iscsi_info->lock); 815fc831825SYuval Mintz list_add_tail(&p_conn->list_entry, &p_hwfn->p_iscsi_info->free_list); 816fc831825SYuval Mintz qed_cxt_release_cid(p_hwfn, p_conn->icid); 817fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 818fc831825SYuval Mintz } 819fc831825SYuval Mintz 820bf774d14SYueHaibing static void qed_iscsi_free_connection(struct qed_hwfn *p_hwfn, 8214621ceb2SMintz, Yuval struct qed_iscsi_conn *p_conn) 8224621ceb2SMintz, Yuval { 8234621ceb2SMintz, Yuval qed_chain_free(p_hwfn->cdev, &p_conn->xhq); 8244621ceb2SMintz, Yuval qed_chain_free(p_hwfn->cdev, &p_conn->uhq); 8254621ceb2SMintz, Yuval qed_chain_free(p_hwfn->cdev, &p_conn->r2tq); 8264621ceb2SMintz, Yuval dma_free_coherent(&p_hwfn->cdev->pdev->dev, 8274621ceb2SMintz, Yuval sizeof(struct tcp_upload_params), 8284621ceb2SMintz, Yuval p_conn->tcp_upload_params_virt_addr, 8294621ceb2SMintz, Yuval p_conn->tcp_upload_params_phys_addr); 8304621ceb2SMintz, Yuval dma_free_coherent(&p_hwfn->cdev->pdev->dev, 8314621ceb2SMintz, Yuval sizeof(struct scsi_terminate_extra_params), 8324621ceb2SMintz, Yuval p_conn->queue_cnts_virt_addr, 8334621ceb2SMintz, Yuval p_conn->queue_cnts_phys_addr); 8344621ceb2SMintz, Yuval kfree(p_conn); 8354621ceb2SMintz, Yuval } 8364621ceb2SMintz, Yuval 8373587cb87STomer Tayar int qed_iscsi_alloc(struct qed_hwfn *p_hwfn) 838fc831825SYuval Mintz { 839fc831825SYuval Mintz struct qed_iscsi_info *p_iscsi_info; 840fc831825SYuval Mintz 841fc831825SYuval Mintz p_iscsi_info = kzalloc(sizeof(*p_iscsi_info), GFP_KERNEL); 842fc831825SYuval Mintz if (!p_iscsi_info) 8433587cb87STomer Tayar return -ENOMEM; 844fc831825SYuval Mintz 845fc831825SYuval Mintz INIT_LIST_HEAD(&p_iscsi_info->free_list); 8463587cb87STomer Tayar 8473587cb87STomer Tayar p_hwfn->p_iscsi_info = p_iscsi_info; 8483587cb87STomer Tayar return 0; 849fc831825SYuval Mintz } 850fc831825SYuval Mintz 8513587cb87STomer Tayar void qed_iscsi_setup(struct qed_hwfn *p_hwfn) 852fc831825SYuval Mintz { 8533587cb87STomer Tayar spin_lock_init(&p_hwfn->p_iscsi_info->lock); 854fc831825SYuval Mintz } 855fc831825SYuval Mintz 8563587cb87STomer Tayar void qed_iscsi_free(struct qed_hwfn *p_hwfn) 857fc831825SYuval Mintz { 8584621ceb2SMintz, Yuval struct qed_iscsi_conn *p_conn = NULL; 8594621ceb2SMintz, Yuval 8603587cb87STomer Tayar if (!p_hwfn->p_iscsi_info) 8613587cb87STomer Tayar return; 8623587cb87STomer Tayar 8634621ceb2SMintz, Yuval while (!list_empty(&p_hwfn->p_iscsi_info->free_list)) { 8644621ceb2SMintz, Yuval p_conn = list_first_entry(&p_hwfn->p_iscsi_info->free_list, 8654621ceb2SMintz, Yuval struct qed_iscsi_conn, list_entry); 8664621ceb2SMintz, Yuval if (p_conn) { 8674621ceb2SMintz, Yuval list_del(&p_conn->list_entry); 8684621ceb2SMintz, Yuval qed_iscsi_free_connection(p_hwfn, p_conn); 8694621ceb2SMintz, Yuval } 8704621ceb2SMintz, Yuval } 8714621ceb2SMintz, Yuval 8723587cb87STomer Tayar kfree(p_hwfn->p_iscsi_info); 8733587cb87STomer Tayar p_hwfn->p_iscsi_info = NULL; 874fc831825SYuval Mintz } 875fc831825SYuval Mintz 876fc831825SYuval Mintz static void _qed_iscsi_get_tstats(struct qed_hwfn *p_hwfn, 877fc831825SYuval Mintz struct qed_ptt *p_ptt, 878fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 879fc831825SYuval Mintz { 880fc831825SYuval Mintz struct tstorm_iscsi_stats_drv tstats; 881fc831825SYuval Mintz u32 tstats_addr; 882fc831825SYuval Mintz 883fc831825SYuval Mintz memset(&tstats, 0, sizeof(tstats)); 884fc831825SYuval Mintz tstats_addr = BAR0_MAP_REG_TSDM_RAM + 885fc831825SYuval Mintz TSTORM_ISCSI_RX_STATS_OFFSET(p_hwfn->rel_pf_id); 886fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &tstats, tstats_addr, sizeof(tstats)); 887fc831825SYuval Mintz 888fc831825SYuval Mintz p_stats->iscsi_rx_bytes_cnt = 889fc831825SYuval Mintz HILO_64_REGPAIR(tstats.iscsi_rx_bytes_cnt); 890fc831825SYuval Mintz p_stats->iscsi_rx_packet_cnt = 891fc831825SYuval Mintz HILO_64_REGPAIR(tstats.iscsi_rx_packet_cnt); 8923ddc48dcSMintz, Yuval p_stats->iscsi_rx_new_ooo_isle_events_cnt = 8933ddc48dcSMintz, Yuval HILO_64_REGPAIR(tstats.iscsi_rx_new_ooo_isle_events_cnt); 894fc831825SYuval Mintz p_stats->iscsi_cmdq_threshold_cnt = 895fc831825SYuval Mintz le32_to_cpu(tstats.iscsi_cmdq_threshold_cnt); 896fc831825SYuval Mintz p_stats->iscsi_rq_threshold_cnt = 897fc831825SYuval Mintz le32_to_cpu(tstats.iscsi_rq_threshold_cnt); 898fc831825SYuval Mintz p_stats->iscsi_immq_threshold_cnt = 899fc831825SYuval Mintz le32_to_cpu(tstats.iscsi_immq_threshold_cnt); 900fc831825SYuval Mintz } 901fc831825SYuval Mintz 902fc831825SYuval Mintz static void _qed_iscsi_get_mstats(struct qed_hwfn *p_hwfn, 903fc831825SYuval Mintz struct qed_ptt *p_ptt, 904fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 905fc831825SYuval Mintz { 906fc831825SYuval Mintz struct mstorm_iscsi_stats_drv mstats; 907fc831825SYuval Mintz u32 mstats_addr; 908fc831825SYuval Mintz 909fc831825SYuval Mintz memset(&mstats, 0, sizeof(mstats)); 910fc831825SYuval Mintz mstats_addr = BAR0_MAP_REG_MSDM_RAM + 911fc831825SYuval Mintz MSTORM_ISCSI_RX_STATS_OFFSET(p_hwfn->rel_pf_id); 912fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &mstats, mstats_addr, sizeof(mstats)); 913fc831825SYuval Mintz 914fc831825SYuval Mintz p_stats->iscsi_rx_dropped_pdus_task_not_valid = 915fc831825SYuval Mintz HILO_64_REGPAIR(mstats.iscsi_rx_dropped_pdus_task_not_valid); 916fc831825SYuval Mintz } 917fc831825SYuval Mintz 918fc831825SYuval Mintz static void _qed_iscsi_get_ustats(struct qed_hwfn *p_hwfn, 919fc831825SYuval Mintz struct qed_ptt *p_ptt, 920fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 921fc831825SYuval Mintz { 922fc831825SYuval Mintz struct ustorm_iscsi_stats_drv ustats; 923fc831825SYuval Mintz u32 ustats_addr; 924fc831825SYuval Mintz 925fc831825SYuval Mintz memset(&ustats, 0, sizeof(ustats)); 926fc831825SYuval Mintz ustats_addr = BAR0_MAP_REG_USDM_RAM + 927fc831825SYuval Mintz USTORM_ISCSI_RX_STATS_OFFSET(p_hwfn->rel_pf_id); 928fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &ustats, ustats_addr, sizeof(ustats)); 929fc831825SYuval Mintz 930fc831825SYuval Mintz p_stats->iscsi_rx_data_pdu_cnt = 931fc831825SYuval Mintz HILO_64_REGPAIR(ustats.iscsi_rx_data_pdu_cnt); 932fc831825SYuval Mintz p_stats->iscsi_rx_r2t_pdu_cnt = 933fc831825SYuval Mintz HILO_64_REGPAIR(ustats.iscsi_rx_r2t_pdu_cnt); 934fc831825SYuval Mintz p_stats->iscsi_rx_total_pdu_cnt = 935fc831825SYuval Mintz HILO_64_REGPAIR(ustats.iscsi_rx_total_pdu_cnt); 936fc831825SYuval Mintz } 937fc831825SYuval Mintz 938fc831825SYuval Mintz static void _qed_iscsi_get_xstats(struct qed_hwfn *p_hwfn, 939fc831825SYuval Mintz struct qed_ptt *p_ptt, 940fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 941fc831825SYuval Mintz { 942fc831825SYuval Mintz struct xstorm_iscsi_stats_drv xstats; 943fc831825SYuval Mintz u32 xstats_addr; 944fc831825SYuval Mintz 945fc831825SYuval Mintz memset(&xstats, 0, sizeof(xstats)); 946fc831825SYuval Mintz xstats_addr = BAR0_MAP_REG_XSDM_RAM + 947fc831825SYuval Mintz XSTORM_ISCSI_TX_STATS_OFFSET(p_hwfn->rel_pf_id); 948fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &xstats, xstats_addr, sizeof(xstats)); 949fc831825SYuval Mintz 950fc831825SYuval Mintz p_stats->iscsi_tx_go_to_slow_start_event_cnt = 951fc831825SYuval Mintz HILO_64_REGPAIR(xstats.iscsi_tx_go_to_slow_start_event_cnt); 952fc831825SYuval Mintz p_stats->iscsi_tx_fast_retransmit_event_cnt = 953fc831825SYuval Mintz HILO_64_REGPAIR(xstats.iscsi_tx_fast_retransmit_event_cnt); 954fc831825SYuval Mintz } 955fc831825SYuval Mintz 956fc831825SYuval Mintz static void _qed_iscsi_get_ystats(struct qed_hwfn *p_hwfn, 957fc831825SYuval Mintz struct qed_ptt *p_ptt, 958fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 959fc831825SYuval Mintz { 960fc831825SYuval Mintz struct ystorm_iscsi_stats_drv ystats; 961fc831825SYuval Mintz u32 ystats_addr; 962fc831825SYuval Mintz 963fc831825SYuval Mintz memset(&ystats, 0, sizeof(ystats)); 964fc831825SYuval Mintz ystats_addr = BAR0_MAP_REG_YSDM_RAM + 965fc831825SYuval Mintz YSTORM_ISCSI_TX_STATS_OFFSET(p_hwfn->rel_pf_id); 966fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &ystats, ystats_addr, sizeof(ystats)); 967fc831825SYuval Mintz 968fc831825SYuval Mintz p_stats->iscsi_tx_data_pdu_cnt = 969fc831825SYuval Mintz HILO_64_REGPAIR(ystats.iscsi_tx_data_pdu_cnt); 970fc831825SYuval Mintz p_stats->iscsi_tx_r2t_pdu_cnt = 971fc831825SYuval Mintz HILO_64_REGPAIR(ystats.iscsi_tx_r2t_pdu_cnt); 972fc831825SYuval Mintz p_stats->iscsi_tx_total_pdu_cnt = 973fc831825SYuval Mintz HILO_64_REGPAIR(ystats.iscsi_tx_total_pdu_cnt); 974fc831825SYuval Mintz } 975fc831825SYuval Mintz 976fc831825SYuval Mintz static void _qed_iscsi_get_pstats(struct qed_hwfn *p_hwfn, 977fc831825SYuval Mintz struct qed_ptt *p_ptt, 978fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 979fc831825SYuval Mintz { 980fc831825SYuval Mintz struct pstorm_iscsi_stats_drv pstats; 981fc831825SYuval Mintz u32 pstats_addr; 982fc831825SYuval Mintz 983fc831825SYuval Mintz memset(&pstats, 0, sizeof(pstats)); 984fc831825SYuval Mintz pstats_addr = BAR0_MAP_REG_PSDM_RAM + 985fc831825SYuval Mintz PSTORM_ISCSI_TX_STATS_OFFSET(p_hwfn->rel_pf_id); 986fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &pstats, pstats_addr, sizeof(pstats)); 987fc831825SYuval Mintz 988fc831825SYuval Mintz p_stats->iscsi_tx_bytes_cnt = 989fc831825SYuval Mintz HILO_64_REGPAIR(pstats.iscsi_tx_bytes_cnt); 990fc831825SYuval Mintz p_stats->iscsi_tx_packet_cnt = 991fc831825SYuval Mintz HILO_64_REGPAIR(pstats.iscsi_tx_packet_cnt); 992fc831825SYuval Mintz } 993fc831825SYuval Mintz 994fc831825SYuval Mintz static int qed_iscsi_get_stats(struct qed_hwfn *p_hwfn, 995fc831825SYuval Mintz struct qed_iscsi_stats *stats) 996fc831825SYuval Mintz { 997fc831825SYuval Mintz struct qed_ptt *p_ptt; 998fc831825SYuval Mintz 999fc831825SYuval Mintz memset(stats, 0, sizeof(*stats)); 1000fc831825SYuval Mintz 1001fc831825SYuval Mintz p_ptt = qed_ptt_acquire(p_hwfn); 1002fc831825SYuval Mintz if (!p_ptt) { 1003fc831825SYuval Mintz DP_ERR(p_hwfn, "Failed to acquire ptt\n"); 1004fc831825SYuval Mintz return -EAGAIN; 1005fc831825SYuval Mintz } 1006fc831825SYuval Mintz 1007fc831825SYuval Mintz _qed_iscsi_get_tstats(p_hwfn, p_ptt, stats); 1008fc831825SYuval Mintz _qed_iscsi_get_mstats(p_hwfn, p_ptt, stats); 1009fc831825SYuval Mintz _qed_iscsi_get_ustats(p_hwfn, p_ptt, stats); 1010fc831825SYuval Mintz 1011fc831825SYuval Mintz _qed_iscsi_get_xstats(p_hwfn, p_ptt, stats); 1012fc831825SYuval Mintz _qed_iscsi_get_ystats(p_hwfn, p_ptt, stats); 1013fc831825SYuval Mintz _qed_iscsi_get_pstats(p_hwfn, p_ptt, stats); 1014fc831825SYuval Mintz 1015fc831825SYuval Mintz qed_ptt_release(p_hwfn, p_ptt); 1016fc831825SYuval Mintz 1017fc831825SYuval Mintz return 0; 1018fc831825SYuval Mintz } 1019fc831825SYuval Mintz 1020fc831825SYuval Mintz struct qed_hash_iscsi_con { 1021fc831825SYuval Mintz struct hlist_node node; 1022fc831825SYuval Mintz struct qed_iscsi_conn *con; 1023fc831825SYuval Mintz }; 1024fc831825SYuval Mintz 1025fc831825SYuval Mintz static int qed_fill_iscsi_dev_info(struct qed_dev *cdev, 1026fc831825SYuval Mintz struct qed_dev_iscsi_info *info) 1027fc831825SYuval Mintz { 10287e50769cSMichal Kalderon struct qed_hwfn *hwfn = QED_AFFIN_HWFN(cdev); 1029fc831825SYuval Mintz 1030fc831825SYuval Mintz int rc; 1031fc831825SYuval Mintz 1032fc831825SYuval Mintz memset(info, 0, sizeof(*info)); 1033fc831825SYuval Mintz rc = qed_fill_dev_info(cdev, &info->common); 1034fc831825SYuval Mintz 1035fc831825SYuval Mintz info->primary_dbq_rq_addr = 1036fc831825SYuval Mintz qed_iscsi_get_primary_bdq_prod(hwfn, BDQ_ID_RQ); 1037fc831825SYuval Mintz info->secondary_bdq_rq_addr = 1038fc831825SYuval Mintz qed_iscsi_get_secondary_bdq_prod(hwfn, BDQ_ID_RQ); 1039fc831825SYuval Mintz 104008737a3fSMintz, Yuval info->num_cqs = FEAT_NUM(hwfn, QED_ISCSI_CQ); 104108737a3fSMintz, Yuval 1042fc831825SYuval Mintz return rc; 1043fc831825SYuval Mintz } 1044fc831825SYuval Mintz 1045fc831825SYuval Mintz static void qed_register_iscsi_ops(struct qed_dev *cdev, 1046fc831825SYuval Mintz struct qed_iscsi_cb_ops *ops, void *cookie) 1047fc831825SYuval Mintz { 1048fc831825SYuval Mintz cdev->protocol_ops.iscsi = ops; 1049fc831825SYuval Mintz cdev->ops_cookie = cookie; 1050fc831825SYuval Mintz } 1051fc831825SYuval Mintz 1052fc831825SYuval Mintz static struct qed_hash_iscsi_con *qed_iscsi_get_hash(struct qed_dev *cdev, 1053fc831825SYuval Mintz u32 handle) 1054fc831825SYuval Mintz { 1055fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con = NULL; 1056fc831825SYuval Mintz 1057fc831825SYuval Mintz if (!(cdev->flags & QED_FLAG_STORAGE_STARTED)) 1058fc831825SYuval Mintz return NULL; 1059fc831825SYuval Mintz 1060fc831825SYuval Mintz hash_for_each_possible(cdev->connections, hash_con, node, handle) { 1061fc831825SYuval Mintz if (hash_con->con->icid == handle) 1062fc831825SYuval Mintz break; 1063fc831825SYuval Mintz } 1064fc831825SYuval Mintz 1065fc831825SYuval Mintz if (!hash_con || (hash_con->con->icid != handle)) 1066fc831825SYuval Mintz return NULL; 1067fc831825SYuval Mintz 1068fc831825SYuval Mintz return hash_con; 1069fc831825SYuval Mintz } 1070fc831825SYuval Mintz 1071fc831825SYuval Mintz static int qed_iscsi_stop(struct qed_dev *cdev) 1072fc831825SYuval Mintz { 1073fc831825SYuval Mintz int rc; 1074fc831825SYuval Mintz 1075fc831825SYuval Mintz if (!(cdev->flags & QED_FLAG_STORAGE_STARTED)) { 1076fc831825SYuval Mintz DP_NOTICE(cdev, "iscsi already stopped\n"); 1077fc831825SYuval Mintz return 0; 1078fc831825SYuval Mintz } 1079fc831825SYuval Mintz 1080fc831825SYuval Mintz if (!hash_empty(cdev->connections)) { 1081fc831825SYuval Mintz DP_NOTICE(cdev, 1082fc831825SYuval Mintz "Can't stop iscsi - not all connections were returned\n"); 1083fc831825SYuval Mintz return -EINVAL; 1084fc831825SYuval Mintz } 1085fc831825SYuval Mintz 1086fc831825SYuval Mintz /* Stop the iscsi */ 10877e50769cSMichal Kalderon rc = qed_sp_iscsi_func_stop(QED_AFFIN_HWFN(cdev), QED_SPQ_MODE_EBLOCK, 10887e50769cSMichal Kalderon NULL); 1089fc831825SYuval Mintz cdev->flags &= ~QED_FLAG_STORAGE_STARTED; 1090fc831825SYuval Mintz 1091fc831825SYuval Mintz return rc; 1092fc831825SYuval Mintz } 1093fc831825SYuval Mintz 1094fc831825SYuval Mintz static int qed_iscsi_start(struct qed_dev *cdev, 1095fc831825SYuval Mintz struct qed_iscsi_tid *tasks, 1096fc831825SYuval Mintz void *event_context, 1097fc831825SYuval Mintz iscsi_event_cb_t async_event_cb) 1098fc831825SYuval Mintz { 1099fc831825SYuval Mintz int rc; 1100fc831825SYuval Mintz struct qed_tid_mem *tid_info; 1101fc831825SYuval Mintz 1102fc831825SYuval Mintz if (cdev->flags & QED_FLAG_STORAGE_STARTED) { 1103fc831825SYuval Mintz DP_NOTICE(cdev, "iscsi already started;\n"); 1104fc831825SYuval Mintz return 0; 1105fc831825SYuval Mintz } 1106fc831825SYuval Mintz 11077e50769cSMichal Kalderon rc = qed_sp_iscsi_func_start(QED_AFFIN_HWFN(cdev), QED_SPQ_MODE_EBLOCK, 11087e50769cSMichal Kalderon NULL, event_context, async_event_cb); 1109fc831825SYuval Mintz if (rc) { 1110fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to start iscsi\n"); 1111fc831825SYuval Mintz return rc; 1112fc831825SYuval Mintz } 1113fc831825SYuval Mintz 1114fc831825SYuval Mintz cdev->flags |= QED_FLAG_STORAGE_STARTED; 1115fc831825SYuval Mintz hash_init(cdev->connections); 1116fc831825SYuval Mintz 1117fc831825SYuval Mintz if (!tasks) 1118fc831825SYuval Mintz return 0; 1119fc831825SYuval Mintz 1120fc831825SYuval Mintz tid_info = kzalloc(sizeof(*tid_info), GFP_KERNEL); 1121fc831825SYuval Mintz 1122fc831825SYuval Mintz if (!tid_info) { 1123fc831825SYuval Mintz qed_iscsi_stop(cdev); 1124fc831825SYuval Mintz return -ENOMEM; 1125fc831825SYuval Mintz } 1126fc831825SYuval Mintz 11277e50769cSMichal Kalderon rc = qed_cxt_get_tid_mem_info(QED_AFFIN_HWFN(cdev), tid_info); 1128fc831825SYuval Mintz if (rc) { 1129fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to gather task information\n"); 1130fc831825SYuval Mintz qed_iscsi_stop(cdev); 1131fc831825SYuval Mintz kfree(tid_info); 1132fc831825SYuval Mintz return rc; 1133fc831825SYuval Mintz } 1134fc831825SYuval Mintz 1135fc831825SYuval Mintz /* Fill task information */ 1136fc831825SYuval Mintz tasks->size = tid_info->tid_size; 1137fc831825SYuval Mintz tasks->num_tids_per_block = tid_info->num_tids_per_block; 1138fc831825SYuval Mintz memcpy(tasks->blocks, tid_info->blocks, 1139fc831825SYuval Mintz MAX_TID_BLOCKS_ISCSI * sizeof(u8 *)); 1140fc831825SYuval Mintz 1141fc831825SYuval Mintz kfree(tid_info); 1142fc831825SYuval Mintz 1143fc831825SYuval Mintz return 0; 1144fc831825SYuval Mintz } 1145fc831825SYuval Mintz 1146fc831825SYuval Mintz static int qed_iscsi_acquire_conn(struct qed_dev *cdev, 1147fc831825SYuval Mintz u32 *handle, 1148fc831825SYuval Mintz u32 *fw_cid, void __iomem **p_doorbell) 1149fc831825SYuval Mintz { 1150fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1151fc831825SYuval Mintz int rc; 1152fc831825SYuval Mintz 1153fc831825SYuval Mintz /* Allocate a hashed connection */ 1154fc831825SYuval Mintz hash_con = kzalloc(sizeof(*hash_con), GFP_ATOMIC); 1155fc831825SYuval Mintz if (!hash_con) 1156fc831825SYuval Mintz return -ENOMEM; 1157fc831825SYuval Mintz 1158fc831825SYuval Mintz /* Acquire the connection */ 11597e50769cSMichal Kalderon rc = qed_iscsi_acquire_connection(QED_AFFIN_HWFN(cdev), NULL, 1160fc831825SYuval Mintz &hash_con->con); 1161fc831825SYuval Mintz if (rc) { 1162fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to acquire Connection\n"); 1163fc831825SYuval Mintz kfree(hash_con); 1164fc831825SYuval Mintz return rc; 1165fc831825SYuval Mintz } 1166fc831825SYuval Mintz 1167fc831825SYuval Mintz /* Added the connection to hash table */ 1168fc831825SYuval Mintz *handle = hash_con->con->icid; 1169fc831825SYuval Mintz *fw_cid = hash_con->con->fw_cid; 1170fc831825SYuval Mintz hash_add(cdev->connections, &hash_con->node, *handle); 1171fc831825SYuval Mintz 1172fc831825SYuval Mintz if (p_doorbell) 11737e50769cSMichal Kalderon *p_doorbell = qed_iscsi_get_db_addr(QED_AFFIN_HWFN(cdev), 1174fc831825SYuval Mintz *handle); 1175fc831825SYuval Mintz 1176fc831825SYuval Mintz return 0; 1177fc831825SYuval Mintz } 1178fc831825SYuval Mintz 1179fc831825SYuval Mintz static int qed_iscsi_release_conn(struct qed_dev *cdev, u32 handle) 1180fc831825SYuval Mintz { 1181fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1182fc831825SYuval Mintz 1183fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1184fc831825SYuval Mintz if (!hash_con) { 1185fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1186fc831825SYuval Mintz handle); 1187fc831825SYuval Mintz return -EINVAL; 1188fc831825SYuval Mintz } 1189fc831825SYuval Mintz 1190fc831825SYuval Mintz hlist_del(&hash_con->node); 11917e50769cSMichal Kalderon qed_iscsi_release_connection(QED_AFFIN_HWFN(cdev), hash_con->con); 1192fc831825SYuval Mintz kfree(hash_con); 1193fc831825SYuval Mintz 1194fc831825SYuval Mintz return 0; 1195fc831825SYuval Mintz } 1196fc831825SYuval Mintz 1197fc831825SYuval Mintz static int qed_iscsi_offload_conn(struct qed_dev *cdev, 1198fc831825SYuval Mintz u32 handle, 1199fc831825SYuval Mintz struct qed_iscsi_params_offload *conn_info) 1200fc831825SYuval Mintz { 1201fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1202fc831825SYuval Mintz struct qed_iscsi_conn *con; 1203fc831825SYuval Mintz 1204fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1205fc831825SYuval Mintz if (!hash_con) { 1206fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1207fc831825SYuval Mintz handle); 1208fc831825SYuval Mintz return -EINVAL; 1209fc831825SYuval Mintz } 1210fc831825SYuval Mintz 1211fc831825SYuval Mintz /* Update the connection with information from the params */ 1212fc831825SYuval Mintz con = hash_con->con; 1213fc831825SYuval Mintz 1214fc831825SYuval Mintz ether_addr_copy(con->local_mac, conn_info->src.mac); 1215fc831825SYuval Mintz ether_addr_copy(con->remote_mac, conn_info->dst.mac); 1216fc831825SYuval Mintz memcpy(con->local_ip, conn_info->src.ip, sizeof(con->local_ip)); 1217fc831825SYuval Mintz memcpy(con->remote_ip, conn_info->dst.ip, sizeof(con->remote_ip)); 1218fc831825SYuval Mintz con->local_port = conn_info->src.port; 1219fc831825SYuval Mintz con->remote_port = conn_info->dst.port; 1220fc831825SYuval Mintz 1221fc831825SYuval Mintz con->layer_code = conn_info->layer_code; 1222fc831825SYuval Mintz con->sq_pbl_addr = conn_info->sq_pbl_addr; 1223fc831825SYuval Mintz con->initial_ack = conn_info->initial_ack; 1224fc831825SYuval Mintz con->vlan_id = conn_info->vlan_id; 1225fc831825SYuval Mintz con->tcp_flags = conn_info->tcp_flags; 1226fc831825SYuval Mintz con->ip_version = conn_info->ip_version; 1227fc831825SYuval Mintz con->default_cq = conn_info->default_cq; 1228fc831825SYuval Mintz con->ka_max_probe_cnt = conn_info->ka_max_probe_cnt; 1229fc831825SYuval Mintz con->dup_ack_theshold = conn_info->dup_ack_theshold; 1230fc831825SYuval Mintz con->rcv_next = conn_info->rcv_next; 1231fc831825SYuval Mintz con->snd_una = conn_info->snd_una; 1232fc831825SYuval Mintz con->snd_next = conn_info->snd_next; 1233fc831825SYuval Mintz con->snd_max = conn_info->snd_max; 1234fc831825SYuval Mintz con->snd_wnd = conn_info->snd_wnd; 1235fc831825SYuval Mintz con->rcv_wnd = conn_info->rcv_wnd; 1236fc831825SYuval Mintz con->snd_wl1 = conn_info->snd_wl1; 1237fc831825SYuval Mintz con->cwnd = conn_info->cwnd; 1238fc831825SYuval Mintz con->ss_thresh = conn_info->ss_thresh; 1239fc831825SYuval Mintz con->srtt = conn_info->srtt; 1240fc831825SYuval Mintz con->rtt_var = conn_info->rtt_var; 1241fc831825SYuval Mintz con->ts_recent = conn_info->ts_recent; 1242fc831825SYuval Mintz con->ts_recent_age = conn_info->ts_recent_age; 1243fc831825SYuval Mintz con->total_rt = conn_info->total_rt; 1244fc831825SYuval Mintz con->ka_timeout_delta = conn_info->ka_timeout_delta; 1245fc831825SYuval Mintz con->rt_timeout_delta = conn_info->rt_timeout_delta; 1246fc831825SYuval Mintz con->dup_ack_cnt = conn_info->dup_ack_cnt; 1247fc831825SYuval Mintz con->snd_wnd_probe_cnt = conn_info->snd_wnd_probe_cnt; 1248fc831825SYuval Mintz con->ka_probe_cnt = conn_info->ka_probe_cnt; 1249fc831825SYuval Mintz con->rt_cnt = conn_info->rt_cnt; 1250fc831825SYuval Mintz con->flow_label = conn_info->flow_label; 1251fc831825SYuval Mintz con->ka_timeout = conn_info->ka_timeout; 1252fc831825SYuval Mintz con->ka_interval = conn_info->ka_interval; 1253fc831825SYuval Mintz con->max_rt_time = conn_info->max_rt_time; 1254fc831825SYuval Mintz con->initial_rcv_wnd = conn_info->initial_rcv_wnd; 1255fc831825SYuval Mintz con->ttl = conn_info->ttl; 1256fc831825SYuval Mintz con->tos_or_tc = conn_info->tos_or_tc; 1257fc831825SYuval Mintz con->remote_port = conn_info->remote_port; 1258fc831825SYuval Mintz con->local_port = conn_info->local_port; 1259fc831825SYuval Mintz con->mss = conn_info->mss; 1260fc831825SYuval Mintz con->snd_wnd_scale = conn_info->snd_wnd_scale; 1261fc831825SYuval Mintz con->rcv_wnd_scale = conn_info->rcv_wnd_scale; 1262fc831825SYuval Mintz con->da_timeout_value = conn_info->da_timeout_value; 1263fc831825SYuval Mintz con->ack_frequency = conn_info->ack_frequency; 1264fc831825SYuval Mintz 1265fc831825SYuval Mintz /* Set default values on other connection fields */ 1266fc831825SYuval Mintz con->offl_flags = 0x1; 1267fc831825SYuval Mintz 12687e50769cSMichal Kalderon return qed_sp_iscsi_conn_offload(QED_AFFIN_HWFN(cdev), con, 1269fc831825SYuval Mintz QED_SPQ_MODE_EBLOCK, NULL); 1270fc831825SYuval Mintz } 1271fc831825SYuval Mintz 1272fc831825SYuval Mintz static int qed_iscsi_update_conn(struct qed_dev *cdev, 1273fc831825SYuval Mintz u32 handle, 1274fc831825SYuval Mintz struct qed_iscsi_params_update *conn_info) 1275fc831825SYuval Mintz { 1276fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1277fc831825SYuval Mintz struct qed_iscsi_conn *con; 1278fc831825SYuval Mintz 1279fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1280fc831825SYuval Mintz if (!hash_con) { 1281fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1282fc831825SYuval Mintz handle); 1283fc831825SYuval Mintz return -EINVAL; 1284fc831825SYuval Mintz } 1285fc831825SYuval Mintz 1286fc831825SYuval Mintz /* Update the connection with information from the params */ 1287fc831825SYuval Mintz con = hash_con->con; 1288fc831825SYuval Mintz con->update_flag = conn_info->update_flag; 1289fc831825SYuval Mintz con->max_seq_size = conn_info->max_seq_size; 1290fc831825SYuval Mintz con->max_recv_pdu_length = conn_info->max_recv_pdu_length; 1291fc831825SYuval Mintz con->max_send_pdu_length = conn_info->max_send_pdu_length; 1292fc831825SYuval Mintz con->first_seq_length = conn_info->first_seq_length; 1293fc831825SYuval Mintz con->exp_stat_sn = conn_info->exp_stat_sn; 1294fc831825SYuval Mintz 12957e50769cSMichal Kalderon return qed_sp_iscsi_conn_update(QED_AFFIN_HWFN(cdev), con, 1296fc831825SYuval Mintz QED_SPQ_MODE_EBLOCK, NULL); 1297fc831825SYuval Mintz } 1298fc831825SYuval Mintz 1299fc831825SYuval Mintz static int qed_iscsi_clear_conn_sq(struct qed_dev *cdev, u32 handle) 1300fc831825SYuval Mintz { 1301fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1302fc831825SYuval Mintz 1303fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1304fc831825SYuval Mintz if (!hash_con) { 1305fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1306fc831825SYuval Mintz handle); 1307fc831825SYuval Mintz return -EINVAL; 1308fc831825SYuval Mintz } 1309fc831825SYuval Mintz 13107e50769cSMichal Kalderon return qed_sp_iscsi_conn_clear_sq(QED_AFFIN_HWFN(cdev), hash_con->con, 1311fc831825SYuval Mintz QED_SPQ_MODE_EBLOCK, NULL); 1312fc831825SYuval Mintz } 1313fc831825SYuval Mintz 1314fc831825SYuval Mintz static int qed_iscsi_destroy_conn(struct qed_dev *cdev, 1315fc831825SYuval Mintz u32 handle, u8 abrt_conn) 1316fc831825SYuval Mintz { 1317fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1318fc831825SYuval Mintz 1319fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1320fc831825SYuval Mintz if (!hash_con) { 1321fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1322fc831825SYuval Mintz handle); 1323fc831825SYuval Mintz return -EINVAL; 1324fc831825SYuval Mintz } 1325fc831825SYuval Mintz 1326fc831825SYuval Mintz hash_con->con->abortive_dsconnect = abrt_conn; 1327fc831825SYuval Mintz 13287e50769cSMichal Kalderon return qed_sp_iscsi_conn_terminate(QED_AFFIN_HWFN(cdev), hash_con->con, 1329fc831825SYuval Mintz QED_SPQ_MODE_EBLOCK, NULL); 1330fc831825SYuval Mintz } 1331fc831825SYuval Mintz 1332fc831825SYuval Mintz static int qed_iscsi_stats(struct qed_dev *cdev, struct qed_iscsi_stats *stats) 1333fc831825SYuval Mintz { 13347e50769cSMichal Kalderon return qed_iscsi_get_stats(QED_AFFIN_HWFN(cdev), stats); 1335fc831825SYuval Mintz } 1336fc831825SYuval Mintz 1337dc4528e9SMintz, Yuval static int qed_iscsi_change_mac(struct qed_dev *cdev, 1338dc4528e9SMintz, Yuval u32 handle, const u8 *mac) 1339dc4528e9SMintz, Yuval { 1340dc4528e9SMintz, Yuval struct qed_hash_iscsi_con *hash_con; 1341dc4528e9SMintz, Yuval 1342dc4528e9SMintz, Yuval hash_con = qed_iscsi_get_hash(cdev, handle); 1343dc4528e9SMintz, Yuval if (!hash_con) { 1344dc4528e9SMintz, Yuval DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1345dc4528e9SMintz, Yuval handle); 1346dc4528e9SMintz, Yuval return -EINVAL; 1347dc4528e9SMintz, Yuval } 1348dc4528e9SMintz, Yuval 13497e50769cSMichal Kalderon return qed_sp_iscsi_mac_update(QED_AFFIN_HWFN(cdev), hash_con->con, 1350dc4528e9SMintz, Yuval QED_SPQ_MODE_EBLOCK, NULL); 1351dc4528e9SMintz, Yuval } 1352dc4528e9SMintz, Yuval 13532f2b2614SMintz, Yuval void qed_get_protocol_stats_iscsi(struct qed_dev *cdev, 13542f2b2614SMintz, Yuval struct qed_mcp_iscsi_stats *stats) 13552f2b2614SMintz, Yuval { 13562f2b2614SMintz, Yuval struct qed_iscsi_stats proto_stats; 13572f2b2614SMintz, Yuval 13582f2b2614SMintz, Yuval /* Retrieve FW statistics */ 13592f2b2614SMintz, Yuval memset(&proto_stats, 0, sizeof(proto_stats)); 13602f2b2614SMintz, Yuval if (qed_iscsi_stats(cdev, &proto_stats)) { 13612f2b2614SMintz, Yuval DP_VERBOSE(cdev, QED_MSG_STORAGE, 13622f2b2614SMintz, Yuval "Failed to collect ISCSI statistics\n"); 13632f2b2614SMintz, Yuval return; 13642f2b2614SMintz, Yuval } 13652f2b2614SMintz, Yuval 13662f2b2614SMintz, Yuval /* Translate FW statistics into struct */ 13672f2b2614SMintz, Yuval stats->rx_pdus = proto_stats.iscsi_rx_total_pdu_cnt; 13682f2b2614SMintz, Yuval stats->tx_pdus = proto_stats.iscsi_tx_total_pdu_cnt; 13692f2b2614SMintz, Yuval stats->rx_bytes = proto_stats.iscsi_rx_bytes_cnt; 13702f2b2614SMintz, Yuval stats->tx_bytes = proto_stats.iscsi_tx_bytes_cnt; 13712f2b2614SMintz, Yuval } 13722f2b2614SMintz, Yuval 1373fc831825SYuval Mintz static const struct qed_iscsi_ops qed_iscsi_ops_pass = { 1374fc831825SYuval Mintz .common = &qed_common_ops_pass, 1375fc831825SYuval Mintz .ll2 = &qed_ll2_ops_pass, 1376fc831825SYuval Mintz .fill_dev_info = &qed_fill_iscsi_dev_info, 1377fc831825SYuval Mintz .register_ops = &qed_register_iscsi_ops, 1378fc831825SYuval Mintz .start = &qed_iscsi_start, 1379fc831825SYuval Mintz .stop = &qed_iscsi_stop, 1380fc831825SYuval Mintz .acquire_conn = &qed_iscsi_acquire_conn, 1381fc831825SYuval Mintz .release_conn = &qed_iscsi_release_conn, 1382fc831825SYuval Mintz .offload_conn = &qed_iscsi_offload_conn, 1383fc831825SYuval Mintz .update_conn = &qed_iscsi_update_conn, 1384fc831825SYuval Mintz .destroy_conn = &qed_iscsi_destroy_conn, 1385fc831825SYuval Mintz .clear_sq = &qed_iscsi_clear_conn_sq, 1386fc831825SYuval Mintz .get_stats = &qed_iscsi_stats, 1387dc4528e9SMintz, Yuval .change_mac = &qed_iscsi_change_mac, 1388fc831825SYuval Mintz }; 1389fc831825SYuval Mintz 13907729bad4SArnd Bergmann const struct qed_iscsi_ops *qed_get_iscsi_ops(void) 1391fc831825SYuval Mintz { 1392fc831825SYuval Mintz return &qed_iscsi_ops_pass; 1393fc831825SYuval Mintz } 1394fc831825SYuval Mintz EXPORT_SYMBOL(qed_get_iscsi_ops); 1395fc831825SYuval Mintz 1396fc831825SYuval Mintz void qed_put_iscsi_ops(void) 1397fc831825SYuval Mintz { 1398fc831825SYuval Mintz } 1399fc831825SYuval Mintz EXPORT_SYMBOL(qed_put_iscsi_ops); 1400