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" 32*ee824f4bSOmkar Kulkarni #include "qed_iro_hsi.h" 33fc831825SYuval Mintz #include "qed_iscsi.h" 34fc831825SYuval Mintz #include "qed_ll2.h" 35fc831825SYuval Mintz #include "qed_mcp.h" 36fc831825SYuval Mintz #include "qed_sp.h" 37fc831825SYuval Mintz #include "qed_sriov.h" 38fc831825SYuval Mintz #include "qed_reg_addr.h" 39fc831825SYuval Mintz 40fc831825SYuval Mintz struct qed_iscsi_conn { 41fc831825SYuval Mintz struct list_head list_entry; 42fc831825SYuval Mintz bool free_on_delete; 43fc831825SYuval Mintz 44fc831825SYuval Mintz u16 conn_id; 45fc831825SYuval Mintz u32 icid; 46fc831825SYuval Mintz u32 fw_cid; 47fc831825SYuval Mintz 48fc831825SYuval Mintz u8 layer_code; 49fc831825SYuval Mintz u8 offl_flags; 50fc831825SYuval Mintz u8 connect_mode; 51fc831825SYuval Mintz u32 initial_ack; 52fc831825SYuval Mintz dma_addr_t sq_pbl_addr; 53fc831825SYuval Mintz struct qed_chain r2tq; 54fc831825SYuval Mintz struct qed_chain xhq; 55fc831825SYuval Mintz struct qed_chain uhq; 56fc831825SYuval Mintz 57fc831825SYuval Mintz struct tcp_upload_params *tcp_upload_params_virt_addr; 58fc831825SYuval Mintz dma_addr_t tcp_upload_params_phys_addr; 59fc831825SYuval Mintz struct scsi_terminate_extra_params *queue_cnts_virt_addr; 60fc831825SYuval Mintz dma_addr_t queue_cnts_phys_addr; 61fc831825SYuval Mintz dma_addr_t syn_phy_addr; 62fc831825SYuval Mintz 63fc831825SYuval Mintz u16 syn_ip_payload_length; 64fc831825SYuval Mintz u8 local_mac[6]; 65fc831825SYuval Mintz u8 remote_mac[6]; 66fc831825SYuval Mintz u16 vlan_id; 67da090917STomer Tayar u16 tcp_flags; 68fc831825SYuval Mintz u8 ip_version; 69fc831825SYuval Mintz u32 remote_ip[4]; 70fc831825SYuval Mintz u32 local_ip[4]; 71fc831825SYuval Mintz u8 ka_max_probe_cnt; 72fc831825SYuval Mintz u8 dup_ack_theshold; 73fc831825SYuval Mintz u32 rcv_next; 74fc831825SYuval Mintz u32 snd_una; 75fc831825SYuval Mintz u32 snd_next; 76fc831825SYuval Mintz u32 snd_max; 77fc831825SYuval Mintz u32 snd_wnd; 78fc831825SYuval Mintz u32 rcv_wnd; 79fc831825SYuval Mintz u32 snd_wl1; 80fc831825SYuval Mintz u32 cwnd; 81fc831825SYuval Mintz u32 ss_thresh; 82fc831825SYuval Mintz u16 srtt; 83fc831825SYuval Mintz u16 rtt_var; 84fc831825SYuval Mintz u32 ts_recent; 85fc831825SYuval Mintz u32 ts_recent_age; 86fc831825SYuval Mintz u32 total_rt; 87fc831825SYuval Mintz u32 ka_timeout_delta; 88fc831825SYuval Mintz u32 rt_timeout_delta; 89fc831825SYuval Mintz u8 dup_ack_cnt; 90fc831825SYuval Mintz u8 snd_wnd_probe_cnt; 91fc831825SYuval Mintz u8 ka_probe_cnt; 92fc831825SYuval Mintz u8 rt_cnt; 93fc831825SYuval Mintz u32 flow_label; 94fc831825SYuval Mintz u32 ka_timeout; 95fc831825SYuval Mintz u32 ka_interval; 96fc831825SYuval Mintz u32 max_rt_time; 97fc831825SYuval Mintz u32 initial_rcv_wnd; 98fc831825SYuval Mintz u8 ttl; 99fc831825SYuval Mintz u8 tos_or_tc; 100fc831825SYuval Mintz u16 remote_port; 101fc831825SYuval Mintz u16 local_port; 102fc831825SYuval Mintz u16 mss; 103fc831825SYuval Mintz u8 snd_wnd_scale; 104fc831825SYuval Mintz u8 rcv_wnd_scale; 105fc831825SYuval Mintz u16 da_timeout_value; 106fc831825SYuval Mintz u8 ack_frequency; 107fc831825SYuval Mintz 108fc831825SYuval Mintz u8 update_flag; 109fc831825SYuval Mintz u8 default_cq; 110fc831825SYuval Mintz u32 max_seq_size; 111fc831825SYuval Mintz u32 max_recv_pdu_length; 112fc831825SYuval Mintz u32 max_send_pdu_length; 113fc831825SYuval Mintz u32 first_seq_length; 114fc831825SYuval Mintz u32 exp_stat_sn; 115fc831825SYuval Mintz u32 stat_sn; 116fc831825SYuval Mintz u16 physical_q0; 117fc831825SYuval Mintz u16 physical_q1; 118fc831825SYuval Mintz u8 abortive_dsconnect; 119fc831825SYuval Mintz }; 120fc831825SYuval Mintz 1211451e467SAlexander Lobakin static int qed_iscsi_async_event(struct qed_hwfn *p_hwfn, u8 fw_event_code, 1225ab90341SAlexander Lobakin __le16 echo, union event_ring_data *data, 1231451e467SAlexander Lobakin u8 fw_return_code) 124a2e7699eSTomer Tayar { 125a2e7699eSTomer Tayar if (p_hwfn->p_iscsi_info->event_cb) { 126a2e7699eSTomer Tayar struct qed_iscsi_info *p_iscsi = p_hwfn->p_iscsi_info; 127a2e7699eSTomer Tayar 128a2e7699eSTomer Tayar return p_iscsi->event_cb(p_iscsi->event_context, 129a2e7699eSTomer Tayar fw_event_code, data); 130a2e7699eSTomer Tayar } else { 131a2e7699eSTomer Tayar DP_NOTICE(p_hwfn, "iSCSI async completion is not set\n"); 132a2e7699eSTomer Tayar return -EINVAL; 133a2e7699eSTomer Tayar } 134a2e7699eSTomer Tayar } 135a2e7699eSTomer Tayar 136a2e7699eSTomer Tayar static int 137fc831825SYuval Mintz qed_sp_iscsi_func_start(struct qed_hwfn *p_hwfn, 138fc831825SYuval Mintz enum spq_mode comp_mode, 139fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr, 140fc831825SYuval Mintz void *event_context, iscsi_event_cb_t async_event_cb) 141fc831825SYuval Mintz { 142fc831825SYuval Mintz struct iscsi_init_ramrod_params *p_ramrod = NULL; 143fc831825SYuval Mintz struct scsi_init_func_queues *p_queue = NULL; 144fc831825SYuval Mintz struct qed_iscsi_pf_params *p_params = NULL; 145fc831825SYuval Mintz struct iscsi_spe_func_init *p_init = NULL; 146fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 147fc831825SYuval Mintz struct qed_sp_init_data init_data; 148fc831825SYuval Mintz int rc = 0; 149fc831825SYuval Mintz u32 dval; 150fc831825SYuval Mintz u16 val; 151fc831825SYuval Mintz u8 i; 152fc831825SYuval Mintz 153fc831825SYuval Mintz /* Get SPQ entry */ 154fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 155fc831825SYuval Mintz init_data.cid = qed_spq_get_cid(p_hwfn); 156fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 157fc831825SYuval Mintz init_data.comp_mode = comp_mode; 158fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 159fc831825SYuval Mintz 160fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 161fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_INIT_FUNC, 1621bd4f571SOmkar Kulkarni PROTOCOLID_TCP_ULP, &init_data); 163fc831825SYuval Mintz if (rc) 164fc831825SYuval Mintz return rc; 165fc831825SYuval Mintz 166fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_init; 167fc831825SYuval Mintz p_init = &p_ramrod->iscsi_init_spe; 168fc831825SYuval Mintz p_params = &p_hwfn->pf_params.iscsi_pf_params; 169fc831825SYuval Mintz p_queue = &p_init->q_params; 170fc831825SYuval Mintz 17108737a3fSMintz, Yuval /* Sanity */ 17208737a3fSMintz, Yuval if (p_params->num_queues > p_hwfn->hw_info.feat_num[QED_ISCSI_CQ]) { 17308737a3fSMintz, Yuval DP_ERR(p_hwfn, 17408737a3fSMintz, Yuval "Cannot satisfy CQ amount. Queues requested %d, CQs available %d. Aborting function start\n", 17508737a3fSMintz, Yuval p_params->num_queues, 17688fa9527SMintz, Yuval p_hwfn->hw_info.feat_num[QED_ISCSI_CQ]); 177fb5e7438SDenis Bolotin qed_sp_destroy_request(p_hwfn, p_ent); 17808737a3fSMintz, Yuval return -EINVAL; 17908737a3fSMintz, Yuval } 18008737a3fSMintz, Yuval 181fc831825SYuval Mintz val = p_params->half_way_close_timeout; 182fc831825SYuval Mintz p_init->half_way_close_timeout = cpu_to_le16(val); 183fc831825SYuval Mintz p_init->num_sq_pages_in_ring = p_params->num_sq_pages_in_ring; 184fc831825SYuval Mintz p_init->num_r2tq_pages_in_ring = p_params->num_r2tq_pages_in_ring; 185fc831825SYuval Mintz p_init->num_uhq_pages_in_ring = p_params->num_uhq_pages_in_ring; 186997af5dfSMichal Kalderon p_init->ll2_rx_queue_id = 187997af5dfSMichal Kalderon p_hwfn->hw_info.resc_start[QED_LL2_RAM_QUEUE] + 1886b116b1dSMintz, Yuval p_params->ll2_ooo_queue_id; 189da090917STomer Tayar 190fc831825SYuval Mintz p_init->func_params.log_page_size = p_params->log_page_size; 191fc831825SYuval Mintz val = p_params->num_tasks; 192fc831825SYuval Mintz p_init->func_params.num_tasks = cpu_to_le16(val); 193fc831825SYuval Mintz p_init->debug_mode.flags = p_params->debug_mode; 194fc831825SYuval Mintz 195fc831825SYuval Mintz DMA_REGPAIR_LE(p_queue->glbl_q_params_addr, 196fc831825SYuval Mintz p_params->glbl_q_params_addr); 197fc831825SYuval Mintz 198fc831825SYuval Mintz val = p_params->cq_num_entries; 199fc831825SYuval Mintz p_queue->cq_num_entries = cpu_to_le16(val); 200fc831825SYuval Mintz val = p_params->cmdq_num_entries; 201fc831825SYuval Mintz p_queue->cmdq_num_entries = cpu_to_le16(val); 202fc831825SYuval Mintz p_queue->num_queues = p_params->num_queues; 203fc831825SYuval Mintz dval = (u8)p_hwfn->hw_info.resc_start[QED_CMDQS_CQS]; 204fc831825SYuval Mintz p_queue->queue_relative_offset = (u8)dval; 205fc831825SYuval Mintz p_queue->cq_sb_pi = p_params->gl_rq_pi; 206fc831825SYuval Mintz p_queue->cmdq_sb_pi = p_params->gl_cmd_pi; 207fc831825SYuval Mintz 208fc831825SYuval Mintz for (i = 0; i < p_params->num_queues; i++) { 20950a20714SMintz, Yuval val = qed_get_igu_sb_id(p_hwfn, i); 210fc831825SYuval Mintz p_queue->cq_cmdq_sb_num_arr[i] = cpu_to_le16(val); 211fc831825SYuval Mintz } 212fc831825SYuval Mintz 213d0d40a73SMintz, Yuval p_queue->bdq_resource_id = (u8)RESC_START(p_hwfn, QED_BDQ); 214fc831825SYuval Mintz 215fc831825SYuval Mintz DMA_REGPAIR_LE(p_queue->bdq_pbl_base_address[BDQ_ID_RQ], 216fc831825SYuval Mintz p_params->bdq_pbl_base_addr[BDQ_ID_RQ]); 217fc831825SYuval Mintz p_queue->bdq_pbl_num_entries[BDQ_ID_RQ] = 218fc831825SYuval Mintz p_params->bdq_pbl_num_entries[BDQ_ID_RQ]; 219fc831825SYuval Mintz val = p_params->bdq_xoff_threshold[BDQ_ID_RQ]; 220fc831825SYuval Mintz p_queue->bdq_xoff_threshold[BDQ_ID_RQ] = cpu_to_le16(val); 221fc831825SYuval Mintz val = p_params->bdq_xon_threshold[BDQ_ID_RQ]; 222fc831825SYuval Mintz p_queue->bdq_xon_threshold[BDQ_ID_RQ] = cpu_to_le16(val); 223fc831825SYuval Mintz 224fc831825SYuval Mintz DMA_REGPAIR_LE(p_queue->bdq_pbl_base_address[BDQ_ID_IMM_DATA], 225fc831825SYuval Mintz p_params->bdq_pbl_base_addr[BDQ_ID_IMM_DATA]); 226fc831825SYuval Mintz p_queue->bdq_pbl_num_entries[BDQ_ID_IMM_DATA] = 227fc831825SYuval Mintz p_params->bdq_pbl_num_entries[BDQ_ID_IMM_DATA]; 228fc831825SYuval Mintz val = p_params->bdq_xoff_threshold[BDQ_ID_IMM_DATA]; 229fc831825SYuval Mintz p_queue->bdq_xoff_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(val); 230fc831825SYuval Mintz val = p_params->bdq_xon_threshold[BDQ_ID_IMM_DATA]; 231fc831825SYuval Mintz p_queue->bdq_xon_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(val); 232fc831825SYuval Mintz val = p_params->rq_buffer_size; 233fc831825SYuval Mintz p_queue->rq_buffer_size = cpu_to_le16(val); 234fc831825SYuval Mintz if (p_params->is_target) { 235fc831825SYuval Mintz SET_FIELD(p_queue->q_validity, 236fc831825SYuval Mintz SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1); 237fc831825SYuval Mintz if (p_queue->bdq_pbl_num_entries[BDQ_ID_IMM_DATA]) 238fc831825SYuval Mintz SET_FIELD(p_queue->q_validity, 239fc831825SYuval Mintz SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID, 1); 240fc831825SYuval Mintz SET_FIELD(p_queue->q_validity, 241fc831825SYuval Mintz SCSI_INIT_FUNC_QUEUES_CMD_VALID, 1); 242fc831825SYuval Mintz } else { 243fc831825SYuval Mintz SET_FIELD(p_queue->q_validity, 244fc831825SYuval Mintz SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1); 245fc831825SYuval Mintz } 246fc831825SYuval Mintz p_ramrod->tcp_init.two_msl_timer = cpu_to_le32(p_params->two_msl_timer); 247fc831825SYuval Mintz val = p_params->tx_sws_timer; 248fc831825SYuval Mintz p_ramrod->tcp_init.tx_sws_timer = cpu_to_le16(val); 249a2e7699eSTomer Tayar p_ramrod->tcp_init.max_fin_rt = p_params->max_fin_rt; 250fc831825SYuval Mintz 251fc831825SYuval Mintz p_hwfn->p_iscsi_info->event_context = event_context; 252fc831825SYuval Mintz p_hwfn->p_iscsi_info->event_cb = async_event_cb; 253fc831825SYuval Mintz 2541bd4f571SOmkar Kulkarni qed_spq_register_async_cb(p_hwfn, PROTOCOLID_TCP_ULP, 2556c9e80eaSMichal Kalderon qed_iscsi_async_event); 2566c9e80eaSMichal Kalderon 257fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 258fc831825SYuval Mintz } 259fc831825SYuval Mintz 260fc831825SYuval Mintz static int qed_sp_iscsi_conn_offload(struct qed_hwfn *p_hwfn, 261fc831825SYuval Mintz struct qed_iscsi_conn *p_conn, 262fc831825SYuval Mintz enum spq_mode comp_mode, 263fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 264fc831825SYuval Mintz { 265fc831825SYuval Mintz struct iscsi_spe_conn_offload *p_ramrod = NULL; 266fc831825SYuval Mintz struct tcp_offload_params_opt2 *p_tcp2 = NULL; 267fc831825SYuval Mintz struct tcp_offload_params *p_tcp = NULL; 268fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 269fc831825SYuval Mintz struct qed_sp_init_data init_data; 270fc831825SYuval Mintz dma_addr_t r2tq_pbl_addr; 271fc831825SYuval Mintz dma_addr_t xhq_pbl_addr; 272fc831825SYuval Mintz dma_addr_t uhq_pbl_addr; 273b5a9ee7cSAriel Elior u16 physical_q; 2745ab90341SAlexander Lobakin __le16 tmp; 275fc831825SYuval Mintz int rc = 0; 276fc831825SYuval Mintz u32 dval; 277fc831825SYuval Mintz u16 wval; 278fc831825SYuval Mintz u16 *p; 279a2e7699eSTomer Tayar u8 i; 280fc831825SYuval Mintz 281fc831825SYuval Mintz /* Get SPQ entry */ 282fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 283fc831825SYuval Mintz init_data.cid = p_conn->icid; 284fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 285fc831825SYuval Mintz init_data.comp_mode = comp_mode; 286fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 287fc831825SYuval Mintz 288fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 289fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN, 2901bd4f571SOmkar Kulkarni PROTOCOLID_TCP_ULP, &init_data); 291fc831825SYuval Mintz if (rc) 292fc831825SYuval Mintz return rc; 293fc831825SYuval Mintz 294fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_conn_offload; 295fc831825SYuval Mintz 296fc831825SYuval Mintz /* Transmission PQ is the first of the PF */ 297b5a9ee7cSAriel Elior physical_q = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD); 2985ab90341SAlexander Lobakin p_conn->physical_q0 = physical_q; 299b5a9ee7cSAriel Elior p_ramrod->iscsi.physical_q0 = cpu_to_le16(physical_q); 300fc831825SYuval Mintz 301fc831825SYuval Mintz /* iSCSI Pure-ACK PQ */ 302b5a9ee7cSAriel Elior physical_q = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_ACK); 3035ab90341SAlexander Lobakin p_conn->physical_q1 = physical_q; 304b5a9ee7cSAriel Elior p_ramrod->iscsi.physical_q1 = cpu_to_le16(physical_q); 305fc831825SYuval Mintz 306fc831825SYuval Mintz p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id); 307fc831825SYuval Mintz 308fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->iscsi.sq_pbl_addr, p_conn->sq_pbl_addr); 309fc831825SYuval Mintz 310fc831825SYuval Mintz r2tq_pbl_addr = qed_chain_get_pbl_phys(&p_conn->r2tq); 311fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->iscsi.r2tq_pbl_addr, r2tq_pbl_addr); 312fc831825SYuval Mintz 313fc831825SYuval Mintz xhq_pbl_addr = qed_chain_get_pbl_phys(&p_conn->xhq); 314fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->iscsi.xhq_pbl_addr, xhq_pbl_addr); 315fc831825SYuval Mintz 316fc831825SYuval Mintz uhq_pbl_addr = qed_chain_get_pbl_phys(&p_conn->uhq); 317fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->iscsi.uhq_pbl_addr, uhq_pbl_addr); 318fc831825SYuval Mintz 319fc831825SYuval Mintz p_ramrod->iscsi.initial_ack = cpu_to_le32(p_conn->initial_ack); 320fc831825SYuval Mintz p_ramrod->iscsi.flags = p_conn->offl_flags; 321fc831825SYuval Mintz p_ramrod->iscsi.default_cq = p_conn->default_cq; 322fc831825SYuval Mintz p_ramrod->iscsi.stat_sn = cpu_to_le32(p_conn->stat_sn); 323fc831825SYuval Mintz 324fc831825SYuval Mintz if (!GET_FIELD(p_ramrod->iscsi.flags, 325fc831825SYuval Mintz ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B)) { 326fc831825SYuval Mintz p_tcp = &p_ramrod->tcp; 327fc831825SYuval Mintz 328fc831825SYuval Mintz p = (u16 *)p_conn->local_mac; 3295ab90341SAlexander Lobakin tmp = cpu_to_le16(get_unaligned_be16(p)); 3305ab90341SAlexander Lobakin p_tcp->local_mac_addr_hi = tmp; 3315ab90341SAlexander Lobakin tmp = cpu_to_le16(get_unaligned_be16(p + 1)); 3325ab90341SAlexander Lobakin p_tcp->local_mac_addr_mid = tmp; 3335ab90341SAlexander Lobakin tmp = cpu_to_le16(get_unaligned_be16(p + 2)); 3345ab90341SAlexander Lobakin p_tcp->local_mac_addr_lo = tmp; 335fc831825SYuval Mintz 336fc831825SYuval Mintz p = (u16 *)p_conn->remote_mac; 3375ab90341SAlexander Lobakin tmp = cpu_to_le16(get_unaligned_be16(p)); 3385ab90341SAlexander Lobakin p_tcp->remote_mac_addr_hi = tmp; 3395ab90341SAlexander Lobakin tmp = cpu_to_le16(get_unaligned_be16(p + 1)); 3405ab90341SAlexander Lobakin p_tcp->remote_mac_addr_mid = tmp; 3415ab90341SAlexander Lobakin tmp = cpu_to_le16(get_unaligned_be16(p + 2)); 3425ab90341SAlexander Lobakin p_tcp->remote_mac_addr_lo = tmp; 343fc831825SYuval Mintz 344fc831825SYuval Mintz p_tcp->vlan_id = cpu_to_le16(p_conn->vlan_id); 345fc831825SYuval Mintz 346da090917STomer Tayar p_tcp->flags = cpu_to_le16(p_conn->tcp_flags); 347fc831825SYuval Mintz p_tcp->ip_version = p_conn->ip_version; 348fc831825SYuval Mintz for (i = 0; i < 4; i++) { 349fc831825SYuval Mintz dval = p_conn->remote_ip[i]; 350fc831825SYuval Mintz p_tcp->remote_ip[i] = cpu_to_le32(dval); 351fc831825SYuval Mintz dval = p_conn->local_ip[i]; 352fc831825SYuval Mintz p_tcp->local_ip[i] = cpu_to_le32(dval); 353fc831825SYuval Mintz } 354fc831825SYuval Mintz p_tcp->ka_max_probe_cnt = p_conn->ka_max_probe_cnt; 355fc831825SYuval Mintz p_tcp->dup_ack_theshold = p_conn->dup_ack_theshold; 356fc831825SYuval Mintz 357fc831825SYuval Mintz p_tcp->rcv_next = cpu_to_le32(p_conn->rcv_next); 358fc831825SYuval Mintz p_tcp->snd_una = cpu_to_le32(p_conn->snd_una); 359fc831825SYuval Mintz p_tcp->snd_next = cpu_to_le32(p_conn->snd_next); 360fc831825SYuval Mintz p_tcp->snd_max = cpu_to_le32(p_conn->snd_max); 361fc831825SYuval Mintz p_tcp->snd_wnd = cpu_to_le32(p_conn->snd_wnd); 362fc831825SYuval Mintz p_tcp->rcv_wnd = cpu_to_le32(p_conn->rcv_wnd); 363fc831825SYuval Mintz p_tcp->snd_wl1 = cpu_to_le32(p_conn->snd_wl1); 364fc831825SYuval Mintz p_tcp->cwnd = cpu_to_le32(p_conn->cwnd); 365fc831825SYuval Mintz p_tcp->ss_thresh = cpu_to_le32(p_conn->ss_thresh); 366fc831825SYuval Mintz p_tcp->srtt = cpu_to_le16(p_conn->srtt); 367fc831825SYuval Mintz p_tcp->rtt_var = cpu_to_le16(p_conn->rtt_var); 368fc831825SYuval Mintz p_tcp->ts_recent = cpu_to_le32(p_conn->ts_recent); 369fc831825SYuval Mintz p_tcp->ts_recent_age = cpu_to_le32(p_conn->ts_recent_age); 370fc831825SYuval Mintz p_tcp->total_rt = cpu_to_le32(p_conn->total_rt); 371fc831825SYuval Mintz dval = p_conn->ka_timeout_delta; 372fc831825SYuval Mintz p_tcp->ka_timeout_delta = cpu_to_le32(dval); 373fc831825SYuval Mintz dval = p_conn->rt_timeout_delta; 374fc831825SYuval Mintz p_tcp->rt_timeout_delta = cpu_to_le32(dval); 375fc831825SYuval Mintz p_tcp->dup_ack_cnt = p_conn->dup_ack_cnt; 376fc831825SYuval Mintz p_tcp->snd_wnd_probe_cnt = p_conn->snd_wnd_probe_cnt; 377fc831825SYuval Mintz p_tcp->ka_probe_cnt = p_conn->ka_probe_cnt; 378fc831825SYuval Mintz p_tcp->rt_cnt = p_conn->rt_cnt; 379fc831825SYuval Mintz p_tcp->flow_label = cpu_to_le32(p_conn->flow_label); 380fc831825SYuval Mintz p_tcp->ka_timeout = cpu_to_le32(p_conn->ka_timeout); 381fc831825SYuval Mintz p_tcp->ka_interval = cpu_to_le32(p_conn->ka_interval); 382fc831825SYuval Mintz p_tcp->max_rt_time = cpu_to_le32(p_conn->max_rt_time); 383fc831825SYuval Mintz dval = p_conn->initial_rcv_wnd; 384fc831825SYuval Mintz p_tcp->initial_rcv_wnd = cpu_to_le32(dval); 385fc831825SYuval Mintz p_tcp->ttl = p_conn->ttl; 386fc831825SYuval Mintz p_tcp->tos_or_tc = p_conn->tos_or_tc; 387fc831825SYuval Mintz p_tcp->remote_port = cpu_to_le16(p_conn->remote_port); 388fc831825SYuval Mintz p_tcp->local_port = cpu_to_le16(p_conn->local_port); 389fc831825SYuval Mintz p_tcp->mss = cpu_to_le16(p_conn->mss); 390fc831825SYuval Mintz p_tcp->snd_wnd_scale = p_conn->snd_wnd_scale; 391fc831825SYuval Mintz p_tcp->rcv_wnd_scale = p_conn->rcv_wnd_scale; 392fc831825SYuval Mintz wval = p_conn->da_timeout_value; 393fc831825SYuval Mintz p_tcp->da_timeout_value = cpu_to_le16(wval); 394fc831825SYuval Mintz p_tcp->ack_frequency = p_conn->ack_frequency; 395fc831825SYuval Mintz p_tcp->connect_mode = p_conn->connect_mode; 396fc831825SYuval Mintz } else { 397fc831825SYuval Mintz p_tcp2 = 398fc831825SYuval Mintz &((struct iscsi_spe_conn_offload_option2 *)p_ramrod)->tcp; 399fc831825SYuval Mintz 400fc831825SYuval Mintz p = (u16 *)p_conn->local_mac; 4015ab90341SAlexander Lobakin tmp = cpu_to_le16(get_unaligned_be16(p)); 4025ab90341SAlexander Lobakin p_tcp2->local_mac_addr_hi = tmp; 4035ab90341SAlexander Lobakin tmp = cpu_to_le16(get_unaligned_be16(p + 1)); 4045ab90341SAlexander Lobakin p_tcp2->local_mac_addr_mid = tmp; 4055ab90341SAlexander Lobakin tmp = cpu_to_le16(get_unaligned_be16(p + 2)); 4065ab90341SAlexander Lobakin p_tcp2->local_mac_addr_lo = tmp; 407fc831825SYuval Mintz 408fc831825SYuval Mintz p = (u16 *)p_conn->remote_mac; 4095ab90341SAlexander Lobakin tmp = cpu_to_le16(get_unaligned_be16(p)); 4105ab90341SAlexander Lobakin p_tcp2->remote_mac_addr_hi = tmp; 4115ab90341SAlexander Lobakin tmp = cpu_to_le16(get_unaligned_be16(p + 1)); 4125ab90341SAlexander Lobakin p_tcp2->remote_mac_addr_mid = tmp; 4135ab90341SAlexander Lobakin tmp = cpu_to_le16(get_unaligned_be16(p + 2)); 4145ab90341SAlexander Lobakin p_tcp2->remote_mac_addr_lo = tmp; 415fc831825SYuval Mintz 416fc831825SYuval Mintz p_tcp2->vlan_id = cpu_to_le16(p_conn->vlan_id); 417da090917STomer Tayar p_tcp2->flags = cpu_to_le16(p_conn->tcp_flags); 418fc831825SYuval Mintz 419fc831825SYuval Mintz p_tcp2->ip_version = p_conn->ip_version; 420fc831825SYuval Mintz for (i = 0; i < 4; i++) { 421fc831825SYuval Mintz dval = p_conn->remote_ip[i]; 422fc831825SYuval Mintz p_tcp2->remote_ip[i] = cpu_to_le32(dval); 423fc831825SYuval Mintz dval = p_conn->local_ip[i]; 424fc831825SYuval Mintz p_tcp2->local_ip[i] = cpu_to_le32(dval); 425fc831825SYuval Mintz } 426fc831825SYuval Mintz 427fc831825SYuval Mintz p_tcp2->flow_label = cpu_to_le32(p_conn->flow_label); 428fc831825SYuval Mintz p_tcp2->ttl = p_conn->ttl; 429fc831825SYuval Mintz p_tcp2->tos_or_tc = p_conn->tos_or_tc; 430fc831825SYuval Mintz p_tcp2->remote_port = cpu_to_le16(p_conn->remote_port); 431fc831825SYuval Mintz p_tcp2->local_port = cpu_to_le16(p_conn->local_port); 432fc831825SYuval Mintz p_tcp2->mss = cpu_to_le16(p_conn->mss); 433fc831825SYuval Mintz p_tcp2->rcv_wnd_scale = p_conn->rcv_wnd_scale; 434fc831825SYuval Mintz p_tcp2->connect_mode = p_conn->connect_mode; 435fc831825SYuval Mintz wval = p_conn->syn_ip_payload_length; 436fc831825SYuval Mintz p_tcp2->syn_ip_payload_length = cpu_to_le16(wval); 437fc831825SYuval Mintz p_tcp2->syn_phy_addr_lo = DMA_LO_LE(p_conn->syn_phy_addr); 438fc831825SYuval Mintz p_tcp2->syn_phy_addr_hi = DMA_HI_LE(p_conn->syn_phy_addr); 439da090917STomer Tayar p_tcp2->cwnd = cpu_to_le32(p_conn->cwnd); 440da090917STomer Tayar p_tcp2->ka_max_probe_cnt = p_conn->ka_probe_cnt; 441da090917STomer Tayar p_tcp2->ka_timeout = cpu_to_le32(p_conn->ka_timeout); 442da090917STomer Tayar p_tcp2->max_rt_time = cpu_to_le32(p_conn->max_rt_time); 443da090917STomer Tayar p_tcp2->ka_interval = cpu_to_le32(p_conn->ka_interval); 444fc831825SYuval Mintz } 445fc831825SYuval Mintz 446fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 447fc831825SYuval Mintz } 448fc831825SYuval Mintz 449fc831825SYuval Mintz static int qed_sp_iscsi_conn_update(struct qed_hwfn *p_hwfn, 450fc831825SYuval Mintz struct qed_iscsi_conn *p_conn, 451fc831825SYuval Mintz enum spq_mode comp_mode, 452fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 453fc831825SYuval Mintz { 454fc831825SYuval Mintz struct iscsi_conn_update_ramrod_params *p_ramrod = NULL; 455fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 456fc831825SYuval Mintz struct qed_sp_init_data init_data; 4575efe2575SColin Ian King int rc; 458fc831825SYuval Mintz u32 dval; 459fc831825SYuval Mintz 460fc831825SYuval Mintz /* Get SPQ entry */ 461fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 462fc831825SYuval Mintz init_data.cid = p_conn->icid; 463fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 464fc831825SYuval Mintz init_data.comp_mode = comp_mode; 465fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 466fc831825SYuval Mintz 467fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 468fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_UPDATE_CONN, 4691bd4f571SOmkar Kulkarni PROTOCOLID_TCP_ULP, &init_data); 470fc831825SYuval Mintz if (rc) 471fc831825SYuval Mintz return rc; 472fc831825SYuval Mintz 473fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_conn_update; 474fc831825SYuval Mintz 475fc831825SYuval Mintz p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id); 476fc831825SYuval Mintz p_ramrod->flags = p_conn->update_flag; 477fc831825SYuval Mintz p_ramrod->max_seq_size = cpu_to_le32(p_conn->max_seq_size); 478fc831825SYuval Mintz dval = p_conn->max_recv_pdu_length; 479fc831825SYuval Mintz p_ramrod->max_recv_pdu_length = cpu_to_le32(dval); 480fc831825SYuval Mintz dval = p_conn->max_send_pdu_length; 481fc831825SYuval Mintz p_ramrod->max_send_pdu_length = cpu_to_le32(dval); 482fc831825SYuval Mintz dval = p_conn->first_seq_length; 483fc831825SYuval Mintz p_ramrod->first_seq_length = cpu_to_le32(dval); 484fc831825SYuval Mintz p_ramrod->exp_stat_sn = cpu_to_le32(p_conn->exp_stat_sn); 485fc831825SYuval Mintz 486fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 487fc831825SYuval Mintz } 488fc831825SYuval Mintz 489dc4528e9SMintz, Yuval static int 490dc4528e9SMintz, Yuval qed_sp_iscsi_mac_update(struct qed_hwfn *p_hwfn, 491dc4528e9SMintz, Yuval struct qed_iscsi_conn *p_conn, 492dc4528e9SMintz, Yuval enum spq_mode comp_mode, 493dc4528e9SMintz, Yuval struct qed_spq_comp_cb *p_comp_addr) 494dc4528e9SMintz, Yuval { 495dc4528e9SMintz, Yuval struct iscsi_spe_conn_mac_update *p_ramrod = NULL; 496dc4528e9SMintz, Yuval struct qed_spq_entry *p_ent = NULL; 497dc4528e9SMintz, Yuval struct qed_sp_init_data init_data; 498dc4528e9SMintz, Yuval int rc = -EINVAL; 499dc4528e9SMintz, Yuval u8 ucval; 500dc4528e9SMintz, Yuval 501dc4528e9SMintz, Yuval /* Get SPQ entry */ 502dc4528e9SMintz, Yuval memset(&init_data, 0, sizeof(init_data)); 503dc4528e9SMintz, Yuval init_data.cid = p_conn->icid; 504dc4528e9SMintz, Yuval init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 505dc4528e9SMintz, Yuval init_data.comp_mode = comp_mode; 506dc4528e9SMintz, Yuval init_data.p_comp_data = p_comp_addr; 507dc4528e9SMintz, Yuval 508dc4528e9SMintz, Yuval rc = qed_sp_init_request(p_hwfn, &p_ent, 509dc4528e9SMintz, Yuval ISCSI_RAMROD_CMD_ID_MAC_UPDATE, 5101bd4f571SOmkar Kulkarni PROTOCOLID_TCP_ULP, &init_data); 511dc4528e9SMintz, Yuval if (rc) 512dc4528e9SMintz, Yuval return rc; 513dc4528e9SMintz, Yuval 514dc4528e9SMintz, Yuval p_ramrod = &p_ent->ramrod.iscsi_conn_mac_update; 515dc4528e9SMintz, Yuval 516dc4528e9SMintz, Yuval p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id); 517dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[1]; 518dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_hi))[0] = ucval; 519dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[0]; 520dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_hi))[1] = ucval; 521dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[3]; 522dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_mid))[0] = ucval; 523dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[2]; 524dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_mid))[1] = ucval; 525dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[5]; 526dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_lo))[0] = ucval; 527dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[4]; 528dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_lo))[1] = ucval; 529dc4528e9SMintz, Yuval 530dc4528e9SMintz, Yuval return qed_spq_post(p_hwfn, p_ent, NULL); 531dc4528e9SMintz, Yuval } 532dc4528e9SMintz, Yuval 533fc831825SYuval Mintz static int qed_sp_iscsi_conn_terminate(struct qed_hwfn *p_hwfn, 534fc831825SYuval Mintz struct qed_iscsi_conn *p_conn, 535fc831825SYuval Mintz enum spq_mode comp_mode, 536fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 537fc831825SYuval Mintz { 538fc831825SYuval Mintz struct iscsi_spe_conn_termination *p_ramrod = NULL; 539fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 540fc831825SYuval Mintz struct qed_sp_init_data init_data; 541fc831825SYuval Mintz int rc = -EINVAL; 542fc831825SYuval Mintz 543fc831825SYuval Mintz /* Get SPQ entry */ 544fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 545fc831825SYuval Mintz init_data.cid = p_conn->icid; 546fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 547fc831825SYuval Mintz init_data.comp_mode = comp_mode; 548fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 549fc831825SYuval Mintz 550fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 551fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_TERMINATION_CONN, 5521bd4f571SOmkar Kulkarni PROTOCOLID_TCP_ULP, &init_data); 553fc831825SYuval Mintz if (rc) 554fc831825SYuval Mintz return rc; 555fc831825SYuval Mintz 556fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_conn_terminate; 557fc831825SYuval Mintz 558fc831825SYuval Mintz p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id); 559fc831825SYuval Mintz p_ramrod->abortive = p_conn->abortive_dsconnect; 560fc831825SYuval Mintz 561fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->query_params_addr, 562fc831825SYuval Mintz p_conn->tcp_upload_params_phys_addr); 563fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->queue_cnts_addr, p_conn->queue_cnts_phys_addr); 564fc831825SYuval Mintz 565fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 566fc831825SYuval Mintz } 567fc831825SYuval Mintz 568fc831825SYuval Mintz static int qed_sp_iscsi_conn_clear_sq(struct qed_hwfn *p_hwfn, 569fc831825SYuval Mintz struct qed_iscsi_conn *p_conn, 570fc831825SYuval Mintz enum spq_mode comp_mode, 571fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 572fc831825SYuval Mintz { 573fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 574fc831825SYuval Mintz struct qed_sp_init_data init_data; 575fc831825SYuval Mintz int rc = -EINVAL; 576fc831825SYuval Mintz 577fc831825SYuval Mintz /* Get SPQ entry */ 578fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 579fc831825SYuval Mintz init_data.cid = p_conn->icid; 580fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 581fc831825SYuval Mintz init_data.comp_mode = comp_mode; 582fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 583fc831825SYuval Mintz 584fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 585fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_CLEAR_SQ, 5861bd4f571SOmkar Kulkarni PROTOCOLID_TCP_ULP, &init_data); 587fc831825SYuval Mintz if (rc) 588fc831825SYuval Mintz return rc; 589fc831825SYuval Mintz 590fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 591fc831825SYuval Mintz } 592fc831825SYuval Mintz 593fc831825SYuval Mintz static int qed_sp_iscsi_func_stop(struct qed_hwfn *p_hwfn, 594fc831825SYuval Mintz enum spq_mode comp_mode, 595fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 596fc831825SYuval Mintz { 597fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 598fc831825SYuval Mintz struct qed_sp_init_data init_data; 599fc831825SYuval Mintz int rc = 0; 600fc831825SYuval Mintz 601fc831825SYuval Mintz /* Get SPQ entry */ 602fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 603fc831825SYuval Mintz init_data.cid = qed_spq_get_cid(p_hwfn); 604fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 605fc831825SYuval Mintz init_data.comp_mode = comp_mode; 606fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 607fc831825SYuval Mintz 608fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 609fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_DESTROY_FUNC, 6101bd4f571SOmkar Kulkarni PROTOCOLID_TCP_ULP, &init_data); 611fc831825SYuval Mintz if (rc) 612fc831825SYuval Mintz return rc; 613fc831825SYuval Mintz 6146c9e80eaSMichal Kalderon rc = qed_spq_post(p_hwfn, p_ent, NULL); 6156c9e80eaSMichal Kalderon 6161bd4f571SOmkar Kulkarni qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_TCP_ULP); 6176c9e80eaSMichal Kalderon return rc; 618fc831825SYuval Mintz } 619fc831825SYuval Mintz 620fc831825SYuval Mintz static void __iomem *qed_iscsi_get_db_addr(struct qed_hwfn *p_hwfn, u32 cid) 621fc831825SYuval Mintz { 622fc831825SYuval Mintz return (u8 __iomem *)p_hwfn->doorbells + 623fc831825SYuval Mintz qed_db_addr(cid, DQ_DEMS_LEGACY); 624fc831825SYuval Mintz } 625fc831825SYuval Mintz 626fc831825SYuval Mintz static void __iomem *qed_iscsi_get_primary_bdq_prod(struct qed_hwfn *p_hwfn, 627fc831825SYuval Mintz u8 bdq_id) 628fc831825SYuval Mintz { 629d0d40a73SMintz, Yuval if (RESC_NUM(p_hwfn, QED_BDQ)) { 630d0d40a73SMintz, Yuval return (u8 __iomem *)p_hwfn->regview + 631d0d40a73SMintz, Yuval GTT_BAR0_MAP_REG_MSDM_RAM + 632d0d40a73SMintz, Yuval MSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn, 633d0d40a73SMintz, Yuval QED_BDQ), 634fc831825SYuval Mintz bdq_id); 635d0d40a73SMintz, Yuval } else { 636d0d40a73SMintz, Yuval DP_NOTICE(p_hwfn, "BDQ is not allocated!\n"); 637d0d40a73SMintz, Yuval return NULL; 638d0d40a73SMintz, Yuval } 639fc831825SYuval Mintz } 640fc831825SYuval Mintz 641fc831825SYuval Mintz static void __iomem *qed_iscsi_get_secondary_bdq_prod(struct qed_hwfn *p_hwfn, 642fc831825SYuval Mintz u8 bdq_id) 643fc831825SYuval Mintz { 644d0d40a73SMintz, Yuval if (RESC_NUM(p_hwfn, QED_BDQ)) { 645d0d40a73SMintz, Yuval return (u8 __iomem *)p_hwfn->regview + 646d0d40a73SMintz, Yuval GTT_BAR0_MAP_REG_TSDM_RAM + 647d0d40a73SMintz, Yuval TSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn, 648d0d40a73SMintz, Yuval QED_BDQ), 649fc831825SYuval Mintz bdq_id); 650d0d40a73SMintz, Yuval } else { 651d0d40a73SMintz, Yuval DP_NOTICE(p_hwfn, "BDQ is not allocated!\n"); 652d0d40a73SMintz, Yuval return NULL; 653d0d40a73SMintz, Yuval } 654fc831825SYuval Mintz } 655fc831825SYuval Mintz 656da090917STomer Tayar static int qed_iscsi_setup_connection(struct qed_iscsi_conn *p_conn) 657fc831825SYuval Mintz { 658fc831825SYuval Mintz if (!p_conn->queue_cnts_virt_addr) 659fc831825SYuval Mintz goto nomem; 660fc831825SYuval Mintz memset(p_conn->queue_cnts_virt_addr, 0, 661fc831825SYuval Mintz sizeof(*p_conn->queue_cnts_virt_addr)); 662fc831825SYuval Mintz 663fc831825SYuval Mintz if (!p_conn->tcp_upload_params_virt_addr) 664fc831825SYuval Mintz goto nomem; 665fc831825SYuval Mintz memset(p_conn->tcp_upload_params_virt_addr, 0, 666fc831825SYuval Mintz sizeof(*p_conn->tcp_upload_params_virt_addr)); 667fc831825SYuval Mintz 668fc831825SYuval Mintz if (!p_conn->r2tq.p_virt_addr) 669fc831825SYuval Mintz goto nomem; 670fc831825SYuval Mintz qed_chain_pbl_zero_mem(&p_conn->r2tq); 671fc831825SYuval Mintz 672fc831825SYuval Mintz if (!p_conn->uhq.p_virt_addr) 673fc831825SYuval Mintz goto nomem; 674fc831825SYuval Mintz qed_chain_pbl_zero_mem(&p_conn->uhq); 675fc831825SYuval Mintz 676fc831825SYuval Mintz if (!p_conn->xhq.p_virt_addr) 677fc831825SYuval Mintz goto nomem; 678fc831825SYuval Mintz qed_chain_pbl_zero_mem(&p_conn->xhq); 679fc831825SYuval Mintz 680fc831825SYuval Mintz return 0; 681fc831825SYuval Mintz nomem: 682fc831825SYuval Mintz return -ENOMEM; 683fc831825SYuval Mintz } 684fc831825SYuval Mintz 685fc831825SYuval Mintz static int qed_iscsi_allocate_connection(struct qed_hwfn *p_hwfn, 686fc831825SYuval Mintz struct qed_iscsi_conn **p_out_conn) 687fc831825SYuval Mintz { 688fc831825SYuval Mintz struct scsi_terminate_extra_params *p_q_cnts = NULL; 689fc831825SYuval Mintz struct qed_iscsi_pf_params *p_params = NULL; 690b6db3f71SAlexander Lobakin struct qed_chain_init_params params = { 691b6db3f71SAlexander Lobakin .mode = QED_CHAIN_MODE_PBL, 692b6db3f71SAlexander Lobakin .intended_use = QED_CHAIN_USE_TO_CONSUME_PRODUCE, 693b6db3f71SAlexander Lobakin .cnt_type = QED_CHAIN_CNT_TYPE_U16, 694b6db3f71SAlexander Lobakin }; 695fc831825SYuval Mintz struct tcp_upload_params *p_tcp = NULL; 696fc831825SYuval Mintz struct qed_iscsi_conn *p_conn = NULL; 697fc831825SYuval Mintz int rc = 0; 698fc831825SYuval Mintz 699fc831825SYuval Mintz /* Try finding a free connection that can be used */ 700fc831825SYuval Mintz spin_lock_bh(&p_hwfn->p_iscsi_info->lock); 701fc831825SYuval Mintz if (!list_empty(&p_hwfn->p_iscsi_info->free_list)) 702fc831825SYuval Mintz p_conn = list_first_entry(&p_hwfn->p_iscsi_info->free_list, 703fc831825SYuval Mintz struct qed_iscsi_conn, list_entry); 704fc831825SYuval Mintz if (p_conn) { 705fc831825SYuval Mintz list_del(&p_conn->list_entry); 706fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 707fc831825SYuval Mintz *p_out_conn = p_conn; 708fc831825SYuval Mintz return 0; 709fc831825SYuval Mintz } 710fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 711fc831825SYuval Mintz 712fc831825SYuval Mintz /* Need to allocate a new connection */ 713fc831825SYuval Mintz p_params = &p_hwfn->pf_params.iscsi_pf_params; 714fc831825SYuval Mintz 715fc831825SYuval Mintz p_conn = kzalloc(sizeof(*p_conn), GFP_KERNEL); 716fc831825SYuval Mintz if (!p_conn) 717fc831825SYuval Mintz return -ENOMEM; 718fc831825SYuval Mintz 719fc831825SYuval Mintz p_q_cnts = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 720fc831825SYuval Mintz sizeof(*p_q_cnts), 721fc831825SYuval Mintz &p_conn->queue_cnts_phys_addr, 722fc831825SYuval Mintz GFP_KERNEL); 723fc831825SYuval Mintz if (!p_q_cnts) 724fc831825SYuval Mintz goto nomem_queue_cnts_param; 725fc831825SYuval Mintz p_conn->queue_cnts_virt_addr = p_q_cnts; 726fc831825SYuval Mintz 727fc831825SYuval Mintz p_tcp = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 728fc831825SYuval Mintz sizeof(*p_tcp), 729fc831825SYuval Mintz &p_conn->tcp_upload_params_phys_addr, 730fc831825SYuval Mintz GFP_KERNEL); 731fc831825SYuval Mintz if (!p_tcp) 732fc831825SYuval Mintz goto nomem_upload_param; 733fc831825SYuval Mintz p_conn->tcp_upload_params_virt_addr = p_tcp; 734fc831825SYuval Mintz 735b6db3f71SAlexander Lobakin params.num_elems = p_params->num_r2tq_pages_in_ring * 736b6db3f71SAlexander Lobakin QED_CHAIN_PAGE_SIZE / sizeof(struct iscsi_wqe); 737b6db3f71SAlexander Lobakin params.elem_size = sizeof(struct iscsi_wqe); 738b6db3f71SAlexander Lobakin 739b6db3f71SAlexander Lobakin rc = qed_chain_alloc(p_hwfn->cdev, &p_conn->r2tq, ¶ms); 740fc831825SYuval Mintz if (rc) 741fc831825SYuval Mintz goto nomem_r2tq; 742fc831825SYuval Mintz 743b6db3f71SAlexander Lobakin params.num_elems = p_params->num_uhq_pages_in_ring * 744fc831825SYuval Mintz QED_CHAIN_PAGE_SIZE / sizeof(struct iscsi_uhqe); 745b6db3f71SAlexander Lobakin params.elem_size = sizeof(struct iscsi_uhqe); 746b6db3f71SAlexander Lobakin 747b6db3f71SAlexander Lobakin rc = qed_chain_alloc(p_hwfn->cdev, &p_conn->uhq, ¶ms); 748fc831825SYuval Mintz if (rc) 749fc831825SYuval Mintz goto nomem_uhq; 750fc831825SYuval Mintz 751b6db3f71SAlexander Lobakin params.elem_size = sizeof(struct iscsi_xhqe); 752b6db3f71SAlexander Lobakin 753b6db3f71SAlexander Lobakin rc = qed_chain_alloc(p_hwfn->cdev, &p_conn->xhq, ¶ms); 754fc831825SYuval Mintz if (rc) 755fc831825SYuval Mintz goto nomem; 756fc831825SYuval Mintz 757fc831825SYuval Mintz p_conn->free_on_delete = true; 758fc831825SYuval Mintz *p_out_conn = p_conn; 759fc831825SYuval Mintz return 0; 760fc831825SYuval Mintz 761fc831825SYuval Mintz nomem: 762fc831825SYuval Mintz qed_chain_free(p_hwfn->cdev, &p_conn->uhq); 763fc831825SYuval Mintz nomem_uhq: 764fc831825SYuval Mintz qed_chain_free(p_hwfn->cdev, &p_conn->r2tq); 765fc831825SYuval Mintz nomem_r2tq: 766fc831825SYuval Mintz dma_free_coherent(&p_hwfn->cdev->pdev->dev, 767fc831825SYuval Mintz sizeof(struct tcp_upload_params), 768fc831825SYuval Mintz p_conn->tcp_upload_params_virt_addr, 769fc831825SYuval Mintz p_conn->tcp_upload_params_phys_addr); 770fc831825SYuval Mintz nomem_upload_param: 771fc831825SYuval Mintz dma_free_coherent(&p_hwfn->cdev->pdev->dev, 772fc831825SYuval Mintz sizeof(struct scsi_terminate_extra_params), 773fc831825SYuval Mintz p_conn->queue_cnts_virt_addr, 774fc831825SYuval Mintz p_conn->queue_cnts_phys_addr); 775fc831825SYuval Mintz nomem_queue_cnts_param: 776fc831825SYuval Mintz kfree(p_conn); 777fc831825SYuval Mintz 778fc831825SYuval Mintz return -ENOMEM; 779fc831825SYuval Mintz } 780fc831825SYuval Mintz 781fc831825SYuval Mintz static int qed_iscsi_acquire_connection(struct qed_hwfn *p_hwfn, 782fc831825SYuval Mintz struct qed_iscsi_conn *p_in_conn, 783fc831825SYuval Mintz struct qed_iscsi_conn **p_out_conn) 784fc831825SYuval Mintz { 785fc831825SYuval Mintz struct qed_iscsi_conn *p_conn = NULL; 786fc831825SYuval Mintz int rc = 0; 787fc831825SYuval Mintz u32 icid; 788fc831825SYuval Mintz 789fc831825SYuval Mintz spin_lock_bh(&p_hwfn->p_iscsi_info->lock); 7901bd4f571SOmkar Kulkarni rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_TCP_ULP, &icid); 791fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 792fc831825SYuval Mintz if (rc) 793fc831825SYuval Mintz return rc; 794fc831825SYuval Mintz 795fc831825SYuval Mintz /* Use input connection or allocate a new one */ 796fc831825SYuval Mintz if (p_in_conn) 797fc831825SYuval Mintz p_conn = p_in_conn; 798fc831825SYuval Mintz else 799fc831825SYuval Mintz rc = qed_iscsi_allocate_connection(p_hwfn, &p_conn); 800fc831825SYuval Mintz 801fc831825SYuval Mintz if (!rc) 802da090917STomer Tayar rc = qed_iscsi_setup_connection(p_conn); 803fc831825SYuval Mintz 804fc831825SYuval Mintz if (rc) { 805fc831825SYuval Mintz spin_lock_bh(&p_hwfn->p_iscsi_info->lock); 806fc831825SYuval Mintz qed_cxt_release_cid(p_hwfn, icid); 807fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 808fc831825SYuval Mintz return rc; 809fc831825SYuval Mintz } 810fc831825SYuval Mintz 811fc831825SYuval Mintz p_conn->icid = icid; 812fc831825SYuval Mintz p_conn->conn_id = (u16)icid; 813fc831825SYuval Mintz p_conn->fw_cid = (p_hwfn->hw_info.opaque_fid << 16) | icid; 814fc831825SYuval Mintz 815fc831825SYuval Mintz *p_out_conn = p_conn; 816fc831825SYuval Mintz 817fc831825SYuval Mintz return rc; 818fc831825SYuval Mintz } 819fc831825SYuval Mintz 820fc831825SYuval Mintz static void qed_iscsi_release_connection(struct qed_hwfn *p_hwfn, 821fc831825SYuval Mintz struct qed_iscsi_conn *p_conn) 822fc831825SYuval Mintz { 823fc831825SYuval Mintz spin_lock_bh(&p_hwfn->p_iscsi_info->lock); 824fc831825SYuval Mintz list_add_tail(&p_conn->list_entry, &p_hwfn->p_iscsi_info->free_list); 825fc831825SYuval Mintz qed_cxt_release_cid(p_hwfn, p_conn->icid); 826fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 827fc831825SYuval Mintz } 828fc831825SYuval Mintz 829bf774d14SYueHaibing static void qed_iscsi_free_connection(struct qed_hwfn *p_hwfn, 8304621ceb2SMintz, Yuval struct qed_iscsi_conn *p_conn) 8314621ceb2SMintz, Yuval { 8324621ceb2SMintz, Yuval qed_chain_free(p_hwfn->cdev, &p_conn->xhq); 8334621ceb2SMintz, Yuval qed_chain_free(p_hwfn->cdev, &p_conn->uhq); 8344621ceb2SMintz, Yuval qed_chain_free(p_hwfn->cdev, &p_conn->r2tq); 8354621ceb2SMintz, Yuval dma_free_coherent(&p_hwfn->cdev->pdev->dev, 8364621ceb2SMintz, Yuval sizeof(struct tcp_upload_params), 8374621ceb2SMintz, Yuval p_conn->tcp_upload_params_virt_addr, 8384621ceb2SMintz, Yuval p_conn->tcp_upload_params_phys_addr); 8394621ceb2SMintz, Yuval dma_free_coherent(&p_hwfn->cdev->pdev->dev, 8404621ceb2SMintz, Yuval sizeof(struct scsi_terminate_extra_params), 8414621ceb2SMintz, Yuval p_conn->queue_cnts_virt_addr, 8424621ceb2SMintz, Yuval p_conn->queue_cnts_phys_addr); 8434621ceb2SMintz, Yuval kfree(p_conn); 8444621ceb2SMintz, Yuval } 8454621ceb2SMintz, Yuval 8463587cb87STomer Tayar int qed_iscsi_alloc(struct qed_hwfn *p_hwfn) 847fc831825SYuval Mintz { 848fc831825SYuval Mintz struct qed_iscsi_info *p_iscsi_info; 849fc831825SYuval Mintz 850fc831825SYuval Mintz p_iscsi_info = kzalloc(sizeof(*p_iscsi_info), GFP_KERNEL); 851fc831825SYuval Mintz if (!p_iscsi_info) 8523587cb87STomer Tayar return -ENOMEM; 853fc831825SYuval Mintz 854fc831825SYuval Mintz INIT_LIST_HEAD(&p_iscsi_info->free_list); 8553587cb87STomer Tayar 8563587cb87STomer Tayar p_hwfn->p_iscsi_info = p_iscsi_info; 8573587cb87STomer Tayar return 0; 858fc831825SYuval Mintz } 859fc831825SYuval Mintz 8603587cb87STomer Tayar void qed_iscsi_setup(struct qed_hwfn *p_hwfn) 861fc831825SYuval Mintz { 8623587cb87STomer Tayar spin_lock_init(&p_hwfn->p_iscsi_info->lock); 863fc831825SYuval Mintz } 864fc831825SYuval Mintz 8653587cb87STomer Tayar void qed_iscsi_free(struct qed_hwfn *p_hwfn) 866fc831825SYuval Mintz { 8674621ceb2SMintz, Yuval struct qed_iscsi_conn *p_conn = NULL; 8684621ceb2SMintz, Yuval 8693587cb87STomer Tayar if (!p_hwfn->p_iscsi_info) 8703587cb87STomer Tayar return; 8713587cb87STomer Tayar 8724621ceb2SMintz, Yuval while (!list_empty(&p_hwfn->p_iscsi_info->free_list)) { 8734621ceb2SMintz, Yuval p_conn = list_first_entry(&p_hwfn->p_iscsi_info->free_list, 8744621ceb2SMintz, Yuval struct qed_iscsi_conn, list_entry); 8754621ceb2SMintz, Yuval if (p_conn) { 8764621ceb2SMintz, Yuval list_del(&p_conn->list_entry); 8774621ceb2SMintz, Yuval qed_iscsi_free_connection(p_hwfn, p_conn); 8784621ceb2SMintz, Yuval } 8794621ceb2SMintz, Yuval } 8804621ceb2SMintz, Yuval 8813587cb87STomer Tayar kfree(p_hwfn->p_iscsi_info); 8823587cb87STomer Tayar p_hwfn->p_iscsi_info = NULL; 883fc831825SYuval Mintz } 884fc831825SYuval Mintz 885fc831825SYuval Mintz static void _qed_iscsi_get_tstats(struct qed_hwfn *p_hwfn, 886fc831825SYuval Mintz struct qed_ptt *p_ptt, 887fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 888fc831825SYuval Mintz { 889fc831825SYuval Mintz struct tstorm_iscsi_stats_drv tstats; 890fc831825SYuval Mintz u32 tstats_addr; 891fc831825SYuval Mintz 892fc831825SYuval Mintz memset(&tstats, 0, sizeof(tstats)); 893fc831825SYuval Mintz tstats_addr = BAR0_MAP_REG_TSDM_RAM + 894fc831825SYuval Mintz TSTORM_ISCSI_RX_STATS_OFFSET(p_hwfn->rel_pf_id); 895fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &tstats, tstats_addr, sizeof(tstats)); 896fc831825SYuval Mintz 897fc831825SYuval Mintz p_stats->iscsi_rx_bytes_cnt = 898fc831825SYuval Mintz HILO_64_REGPAIR(tstats.iscsi_rx_bytes_cnt); 899fc831825SYuval Mintz p_stats->iscsi_rx_packet_cnt = 900fc831825SYuval Mintz HILO_64_REGPAIR(tstats.iscsi_rx_packet_cnt); 9013ddc48dcSMintz, Yuval p_stats->iscsi_rx_new_ooo_isle_events_cnt = 9023ddc48dcSMintz, Yuval HILO_64_REGPAIR(tstats.iscsi_rx_new_ooo_isle_events_cnt); 903fc831825SYuval Mintz p_stats->iscsi_cmdq_threshold_cnt = 904fc831825SYuval Mintz le32_to_cpu(tstats.iscsi_cmdq_threshold_cnt); 905fc831825SYuval Mintz p_stats->iscsi_rq_threshold_cnt = 906fc831825SYuval Mintz le32_to_cpu(tstats.iscsi_rq_threshold_cnt); 907fc831825SYuval Mintz p_stats->iscsi_immq_threshold_cnt = 908fc831825SYuval Mintz le32_to_cpu(tstats.iscsi_immq_threshold_cnt); 909fc831825SYuval Mintz } 910fc831825SYuval Mintz 911fc831825SYuval Mintz static void _qed_iscsi_get_mstats(struct qed_hwfn *p_hwfn, 912fc831825SYuval Mintz struct qed_ptt *p_ptt, 913fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 914fc831825SYuval Mintz { 915fc831825SYuval Mintz struct mstorm_iscsi_stats_drv mstats; 916fc831825SYuval Mintz u32 mstats_addr; 917fc831825SYuval Mintz 918fc831825SYuval Mintz memset(&mstats, 0, sizeof(mstats)); 919fc831825SYuval Mintz mstats_addr = BAR0_MAP_REG_MSDM_RAM + 920fc831825SYuval Mintz MSTORM_ISCSI_RX_STATS_OFFSET(p_hwfn->rel_pf_id); 921fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &mstats, mstats_addr, sizeof(mstats)); 922fc831825SYuval Mintz 923fc831825SYuval Mintz p_stats->iscsi_rx_dropped_pdus_task_not_valid = 924fc831825SYuval Mintz HILO_64_REGPAIR(mstats.iscsi_rx_dropped_pdus_task_not_valid); 925fc831825SYuval Mintz } 926fc831825SYuval Mintz 927fc831825SYuval Mintz static void _qed_iscsi_get_ustats(struct qed_hwfn *p_hwfn, 928fc831825SYuval Mintz struct qed_ptt *p_ptt, 929fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 930fc831825SYuval Mintz { 931fc831825SYuval Mintz struct ustorm_iscsi_stats_drv ustats; 932fc831825SYuval Mintz u32 ustats_addr; 933fc831825SYuval Mintz 934fc831825SYuval Mintz memset(&ustats, 0, sizeof(ustats)); 935fc831825SYuval Mintz ustats_addr = BAR0_MAP_REG_USDM_RAM + 936fc831825SYuval Mintz USTORM_ISCSI_RX_STATS_OFFSET(p_hwfn->rel_pf_id); 937fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &ustats, ustats_addr, sizeof(ustats)); 938fc831825SYuval Mintz 939fc831825SYuval Mintz p_stats->iscsi_rx_data_pdu_cnt = 940fc831825SYuval Mintz HILO_64_REGPAIR(ustats.iscsi_rx_data_pdu_cnt); 941fc831825SYuval Mintz p_stats->iscsi_rx_r2t_pdu_cnt = 942fc831825SYuval Mintz HILO_64_REGPAIR(ustats.iscsi_rx_r2t_pdu_cnt); 943fc831825SYuval Mintz p_stats->iscsi_rx_total_pdu_cnt = 944fc831825SYuval Mintz HILO_64_REGPAIR(ustats.iscsi_rx_total_pdu_cnt); 945fc831825SYuval Mintz } 946fc831825SYuval Mintz 947fc831825SYuval Mintz static void _qed_iscsi_get_xstats(struct qed_hwfn *p_hwfn, 948fc831825SYuval Mintz struct qed_ptt *p_ptt, 949fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 950fc831825SYuval Mintz { 951fc831825SYuval Mintz struct xstorm_iscsi_stats_drv xstats; 952fc831825SYuval Mintz u32 xstats_addr; 953fc831825SYuval Mintz 954fc831825SYuval Mintz memset(&xstats, 0, sizeof(xstats)); 955fc831825SYuval Mintz xstats_addr = BAR0_MAP_REG_XSDM_RAM + 956fc831825SYuval Mintz XSTORM_ISCSI_TX_STATS_OFFSET(p_hwfn->rel_pf_id); 957fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &xstats, xstats_addr, sizeof(xstats)); 958fc831825SYuval Mintz 959fc831825SYuval Mintz p_stats->iscsi_tx_go_to_slow_start_event_cnt = 960fc831825SYuval Mintz HILO_64_REGPAIR(xstats.iscsi_tx_go_to_slow_start_event_cnt); 961fc831825SYuval Mintz p_stats->iscsi_tx_fast_retransmit_event_cnt = 962fc831825SYuval Mintz HILO_64_REGPAIR(xstats.iscsi_tx_fast_retransmit_event_cnt); 963fc831825SYuval Mintz } 964fc831825SYuval Mintz 965fc831825SYuval Mintz static void _qed_iscsi_get_ystats(struct qed_hwfn *p_hwfn, 966fc831825SYuval Mintz struct qed_ptt *p_ptt, 967fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 968fc831825SYuval Mintz { 969fc831825SYuval Mintz struct ystorm_iscsi_stats_drv ystats; 970fc831825SYuval Mintz u32 ystats_addr; 971fc831825SYuval Mintz 972fc831825SYuval Mintz memset(&ystats, 0, sizeof(ystats)); 973fc831825SYuval Mintz ystats_addr = BAR0_MAP_REG_YSDM_RAM + 974fc831825SYuval Mintz YSTORM_ISCSI_TX_STATS_OFFSET(p_hwfn->rel_pf_id); 975fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &ystats, ystats_addr, sizeof(ystats)); 976fc831825SYuval Mintz 977fc831825SYuval Mintz p_stats->iscsi_tx_data_pdu_cnt = 978fc831825SYuval Mintz HILO_64_REGPAIR(ystats.iscsi_tx_data_pdu_cnt); 979fc831825SYuval Mintz p_stats->iscsi_tx_r2t_pdu_cnt = 980fc831825SYuval Mintz HILO_64_REGPAIR(ystats.iscsi_tx_r2t_pdu_cnt); 981fc831825SYuval Mintz p_stats->iscsi_tx_total_pdu_cnt = 982fc831825SYuval Mintz HILO_64_REGPAIR(ystats.iscsi_tx_total_pdu_cnt); 983fc831825SYuval Mintz } 984fc831825SYuval Mintz 985fc831825SYuval Mintz static void _qed_iscsi_get_pstats(struct qed_hwfn *p_hwfn, 986fc831825SYuval Mintz struct qed_ptt *p_ptt, 987fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 988fc831825SYuval Mintz { 989fc831825SYuval Mintz struct pstorm_iscsi_stats_drv pstats; 990fc831825SYuval Mintz u32 pstats_addr; 991fc831825SYuval Mintz 992fc831825SYuval Mintz memset(&pstats, 0, sizeof(pstats)); 993fc831825SYuval Mintz pstats_addr = BAR0_MAP_REG_PSDM_RAM + 994fc831825SYuval Mintz PSTORM_ISCSI_TX_STATS_OFFSET(p_hwfn->rel_pf_id); 995fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &pstats, pstats_addr, sizeof(pstats)); 996fc831825SYuval Mintz 997fc831825SYuval Mintz p_stats->iscsi_tx_bytes_cnt = 998fc831825SYuval Mintz HILO_64_REGPAIR(pstats.iscsi_tx_bytes_cnt); 999fc831825SYuval Mintz p_stats->iscsi_tx_packet_cnt = 1000fc831825SYuval Mintz HILO_64_REGPAIR(pstats.iscsi_tx_packet_cnt); 1001fc831825SYuval Mintz } 1002fc831825SYuval Mintz 1003fc831825SYuval Mintz static int qed_iscsi_get_stats(struct qed_hwfn *p_hwfn, 1004fc831825SYuval Mintz struct qed_iscsi_stats *stats) 1005fc831825SYuval Mintz { 1006fc831825SYuval Mintz struct qed_ptt *p_ptt; 1007fc831825SYuval Mintz 1008fc831825SYuval Mintz memset(stats, 0, sizeof(*stats)); 1009fc831825SYuval Mintz 1010fc831825SYuval Mintz p_ptt = qed_ptt_acquire(p_hwfn); 1011fc831825SYuval Mintz if (!p_ptt) { 1012fc831825SYuval Mintz DP_ERR(p_hwfn, "Failed to acquire ptt\n"); 1013fc831825SYuval Mintz return -EAGAIN; 1014fc831825SYuval Mintz } 1015fc831825SYuval Mintz 1016fc831825SYuval Mintz _qed_iscsi_get_tstats(p_hwfn, p_ptt, stats); 1017fc831825SYuval Mintz _qed_iscsi_get_mstats(p_hwfn, p_ptt, stats); 1018fc831825SYuval Mintz _qed_iscsi_get_ustats(p_hwfn, p_ptt, stats); 1019fc831825SYuval Mintz 1020fc831825SYuval Mintz _qed_iscsi_get_xstats(p_hwfn, p_ptt, stats); 1021fc831825SYuval Mintz _qed_iscsi_get_ystats(p_hwfn, p_ptt, stats); 1022fc831825SYuval Mintz _qed_iscsi_get_pstats(p_hwfn, p_ptt, stats); 1023fc831825SYuval Mintz 1024fc831825SYuval Mintz qed_ptt_release(p_hwfn, p_ptt); 1025fc831825SYuval Mintz 1026fc831825SYuval Mintz return 0; 1027fc831825SYuval Mintz } 1028fc831825SYuval Mintz 1029fc831825SYuval Mintz struct qed_hash_iscsi_con { 1030fc831825SYuval Mintz struct hlist_node node; 1031fc831825SYuval Mintz struct qed_iscsi_conn *con; 1032fc831825SYuval Mintz }; 1033fc831825SYuval Mintz 1034fc831825SYuval Mintz static int qed_fill_iscsi_dev_info(struct qed_dev *cdev, 1035fc831825SYuval Mintz struct qed_dev_iscsi_info *info) 1036fc831825SYuval Mintz { 10377e50769cSMichal Kalderon struct qed_hwfn *hwfn = QED_AFFIN_HWFN(cdev); 1038fc831825SYuval Mintz 1039fc831825SYuval Mintz int rc; 1040fc831825SYuval Mintz 1041fc831825SYuval Mintz memset(info, 0, sizeof(*info)); 1042fc831825SYuval Mintz rc = qed_fill_dev_info(cdev, &info->common); 1043fc831825SYuval Mintz 1044fc831825SYuval Mintz info->primary_dbq_rq_addr = 1045fc831825SYuval Mintz qed_iscsi_get_primary_bdq_prod(hwfn, BDQ_ID_RQ); 1046fc831825SYuval Mintz info->secondary_bdq_rq_addr = 1047fc831825SYuval Mintz qed_iscsi_get_secondary_bdq_prod(hwfn, BDQ_ID_RQ); 1048fc831825SYuval Mintz 104908737a3fSMintz, Yuval info->num_cqs = FEAT_NUM(hwfn, QED_ISCSI_CQ); 105008737a3fSMintz, Yuval 1051fc831825SYuval Mintz return rc; 1052fc831825SYuval Mintz } 1053fc831825SYuval Mintz 1054fc831825SYuval Mintz static void qed_register_iscsi_ops(struct qed_dev *cdev, 1055fc831825SYuval Mintz struct qed_iscsi_cb_ops *ops, void *cookie) 1056fc831825SYuval Mintz { 1057fc831825SYuval Mintz cdev->protocol_ops.iscsi = ops; 1058fc831825SYuval Mintz cdev->ops_cookie = cookie; 1059fc831825SYuval Mintz } 1060fc831825SYuval Mintz 1061fc831825SYuval Mintz static struct qed_hash_iscsi_con *qed_iscsi_get_hash(struct qed_dev *cdev, 1062fc831825SYuval Mintz u32 handle) 1063fc831825SYuval Mintz { 1064fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con = NULL; 1065fc831825SYuval Mintz 1066fc831825SYuval Mintz if (!(cdev->flags & QED_FLAG_STORAGE_STARTED)) 1067fc831825SYuval Mintz return NULL; 1068fc831825SYuval Mintz 1069fc831825SYuval Mintz hash_for_each_possible(cdev->connections, hash_con, node, handle) { 1070fc831825SYuval Mintz if (hash_con->con->icid == handle) 1071fc831825SYuval Mintz break; 1072fc831825SYuval Mintz } 1073fc831825SYuval Mintz 1074fc831825SYuval Mintz if (!hash_con || (hash_con->con->icid != handle)) 1075fc831825SYuval Mintz return NULL; 1076fc831825SYuval Mintz 1077fc831825SYuval Mintz return hash_con; 1078fc831825SYuval Mintz } 1079fc831825SYuval Mintz 1080fc831825SYuval Mintz static int qed_iscsi_stop(struct qed_dev *cdev) 1081fc831825SYuval Mintz { 1082fc831825SYuval Mintz int rc; 1083fc831825SYuval Mintz 1084fc831825SYuval Mintz if (!(cdev->flags & QED_FLAG_STORAGE_STARTED)) { 1085fc831825SYuval Mintz DP_NOTICE(cdev, "iscsi already stopped\n"); 1086fc831825SYuval Mintz return 0; 1087fc831825SYuval Mintz } 1088fc831825SYuval Mintz 1089fc831825SYuval Mintz if (!hash_empty(cdev->connections)) { 1090fc831825SYuval Mintz DP_NOTICE(cdev, 1091fc831825SYuval Mintz "Can't stop iscsi - not all connections were returned\n"); 1092fc831825SYuval Mintz return -EINVAL; 1093fc831825SYuval Mintz } 1094fc831825SYuval Mintz 1095fc831825SYuval Mintz /* Stop the iscsi */ 10967e50769cSMichal Kalderon rc = qed_sp_iscsi_func_stop(QED_AFFIN_HWFN(cdev), QED_SPQ_MODE_EBLOCK, 10977e50769cSMichal Kalderon NULL); 1098fc831825SYuval Mintz cdev->flags &= ~QED_FLAG_STORAGE_STARTED; 1099fc831825SYuval Mintz 1100fc831825SYuval Mintz return rc; 1101fc831825SYuval Mintz } 1102fc831825SYuval Mintz 1103fc831825SYuval Mintz static int qed_iscsi_start(struct qed_dev *cdev, 1104fc831825SYuval Mintz struct qed_iscsi_tid *tasks, 1105fc831825SYuval Mintz void *event_context, 1106fc831825SYuval Mintz iscsi_event_cb_t async_event_cb) 1107fc831825SYuval Mintz { 1108fc831825SYuval Mintz int rc; 1109fc831825SYuval Mintz struct qed_tid_mem *tid_info; 1110fc831825SYuval Mintz 1111fc831825SYuval Mintz if (cdev->flags & QED_FLAG_STORAGE_STARTED) { 1112fc831825SYuval Mintz DP_NOTICE(cdev, "iscsi already started;\n"); 1113fc831825SYuval Mintz return 0; 1114fc831825SYuval Mintz } 1115fc831825SYuval Mintz 11167e50769cSMichal Kalderon rc = qed_sp_iscsi_func_start(QED_AFFIN_HWFN(cdev), QED_SPQ_MODE_EBLOCK, 11177e50769cSMichal Kalderon NULL, event_context, async_event_cb); 1118fc831825SYuval Mintz if (rc) { 1119fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to start iscsi\n"); 1120fc831825SYuval Mintz return rc; 1121fc831825SYuval Mintz } 1122fc831825SYuval Mintz 1123fc831825SYuval Mintz cdev->flags |= QED_FLAG_STORAGE_STARTED; 1124fc831825SYuval Mintz hash_init(cdev->connections); 1125fc831825SYuval Mintz 1126fc831825SYuval Mintz if (!tasks) 1127fc831825SYuval Mintz return 0; 1128fc831825SYuval Mintz 1129fc831825SYuval Mintz tid_info = kzalloc(sizeof(*tid_info), GFP_KERNEL); 1130fc831825SYuval Mintz 1131fc831825SYuval Mintz if (!tid_info) { 1132fc831825SYuval Mintz qed_iscsi_stop(cdev); 1133fc831825SYuval Mintz return -ENOMEM; 1134fc831825SYuval Mintz } 1135fc831825SYuval Mintz 11367e50769cSMichal Kalderon rc = qed_cxt_get_tid_mem_info(QED_AFFIN_HWFN(cdev), tid_info); 1137fc831825SYuval Mintz if (rc) { 1138fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to gather task information\n"); 1139fc831825SYuval Mintz qed_iscsi_stop(cdev); 1140fc831825SYuval Mintz kfree(tid_info); 1141fc831825SYuval Mintz return rc; 1142fc831825SYuval Mintz } 1143fc831825SYuval Mintz 1144fc831825SYuval Mintz /* Fill task information */ 1145fc831825SYuval Mintz tasks->size = tid_info->tid_size; 1146fc831825SYuval Mintz tasks->num_tids_per_block = tid_info->num_tids_per_block; 1147fc831825SYuval Mintz memcpy(tasks->blocks, tid_info->blocks, 1148fc831825SYuval Mintz MAX_TID_BLOCKS_ISCSI * sizeof(u8 *)); 1149fc831825SYuval Mintz 1150fc831825SYuval Mintz kfree(tid_info); 1151fc831825SYuval Mintz 1152fc831825SYuval Mintz return 0; 1153fc831825SYuval Mintz } 1154fc831825SYuval Mintz 1155fc831825SYuval Mintz static int qed_iscsi_acquire_conn(struct qed_dev *cdev, 1156fc831825SYuval Mintz u32 *handle, 1157fc831825SYuval Mintz u32 *fw_cid, void __iomem **p_doorbell) 1158fc831825SYuval Mintz { 1159fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1160fc831825SYuval Mintz int rc; 1161fc831825SYuval Mintz 1162fc831825SYuval Mintz /* Allocate a hashed connection */ 1163fc831825SYuval Mintz hash_con = kzalloc(sizeof(*hash_con), GFP_ATOMIC); 1164fc831825SYuval Mintz if (!hash_con) 1165fc831825SYuval Mintz return -ENOMEM; 1166fc831825SYuval Mintz 1167fc831825SYuval Mintz /* Acquire the connection */ 11687e50769cSMichal Kalderon rc = qed_iscsi_acquire_connection(QED_AFFIN_HWFN(cdev), NULL, 1169fc831825SYuval Mintz &hash_con->con); 1170fc831825SYuval Mintz if (rc) { 1171fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to acquire Connection\n"); 1172fc831825SYuval Mintz kfree(hash_con); 1173fc831825SYuval Mintz return rc; 1174fc831825SYuval Mintz } 1175fc831825SYuval Mintz 1176fc831825SYuval Mintz /* Added the connection to hash table */ 1177fc831825SYuval Mintz *handle = hash_con->con->icid; 1178fc831825SYuval Mintz *fw_cid = hash_con->con->fw_cid; 1179fc831825SYuval Mintz hash_add(cdev->connections, &hash_con->node, *handle); 1180fc831825SYuval Mintz 1181fc831825SYuval Mintz if (p_doorbell) 11827e50769cSMichal Kalderon *p_doorbell = qed_iscsi_get_db_addr(QED_AFFIN_HWFN(cdev), 1183fc831825SYuval Mintz *handle); 1184fc831825SYuval Mintz 1185fc831825SYuval Mintz return 0; 1186fc831825SYuval Mintz } 1187fc831825SYuval Mintz 1188fc831825SYuval Mintz static int qed_iscsi_release_conn(struct qed_dev *cdev, u32 handle) 1189fc831825SYuval Mintz { 1190fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1191fc831825SYuval Mintz 1192fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1193fc831825SYuval Mintz if (!hash_con) { 1194fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1195fc831825SYuval Mintz handle); 1196fc831825SYuval Mintz return -EINVAL; 1197fc831825SYuval Mintz } 1198fc831825SYuval Mintz 1199fc831825SYuval Mintz hlist_del(&hash_con->node); 12007e50769cSMichal Kalderon qed_iscsi_release_connection(QED_AFFIN_HWFN(cdev), hash_con->con); 1201fc831825SYuval Mintz kfree(hash_con); 1202fc831825SYuval Mintz 1203fc831825SYuval Mintz return 0; 1204fc831825SYuval Mintz } 1205fc831825SYuval Mintz 1206fc831825SYuval Mintz static int qed_iscsi_offload_conn(struct qed_dev *cdev, 1207fc831825SYuval Mintz u32 handle, 1208fc831825SYuval Mintz struct qed_iscsi_params_offload *conn_info) 1209fc831825SYuval Mintz { 1210fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1211fc831825SYuval Mintz struct qed_iscsi_conn *con; 1212fc831825SYuval Mintz 1213fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1214fc831825SYuval Mintz if (!hash_con) { 1215fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1216fc831825SYuval Mintz handle); 1217fc831825SYuval Mintz return -EINVAL; 1218fc831825SYuval Mintz } 1219fc831825SYuval Mintz 1220fc831825SYuval Mintz /* Update the connection with information from the params */ 1221fc831825SYuval Mintz con = hash_con->con; 1222fc831825SYuval Mintz 1223fc831825SYuval Mintz ether_addr_copy(con->local_mac, conn_info->src.mac); 1224fc831825SYuval Mintz ether_addr_copy(con->remote_mac, conn_info->dst.mac); 1225fc831825SYuval Mintz memcpy(con->local_ip, conn_info->src.ip, sizeof(con->local_ip)); 1226fc831825SYuval Mintz memcpy(con->remote_ip, conn_info->dst.ip, sizeof(con->remote_ip)); 1227fc831825SYuval Mintz con->local_port = conn_info->src.port; 1228fc831825SYuval Mintz con->remote_port = conn_info->dst.port; 1229fc831825SYuval Mintz 1230fc831825SYuval Mintz con->layer_code = conn_info->layer_code; 1231fc831825SYuval Mintz con->sq_pbl_addr = conn_info->sq_pbl_addr; 1232fc831825SYuval Mintz con->initial_ack = conn_info->initial_ack; 1233fc831825SYuval Mintz con->vlan_id = conn_info->vlan_id; 1234fc831825SYuval Mintz con->tcp_flags = conn_info->tcp_flags; 1235fc831825SYuval Mintz con->ip_version = conn_info->ip_version; 1236fc831825SYuval Mintz con->default_cq = conn_info->default_cq; 1237fc831825SYuval Mintz con->ka_max_probe_cnt = conn_info->ka_max_probe_cnt; 1238fc831825SYuval Mintz con->dup_ack_theshold = conn_info->dup_ack_theshold; 1239fc831825SYuval Mintz con->rcv_next = conn_info->rcv_next; 1240fc831825SYuval Mintz con->snd_una = conn_info->snd_una; 1241fc831825SYuval Mintz con->snd_next = conn_info->snd_next; 1242fc831825SYuval Mintz con->snd_max = conn_info->snd_max; 1243fc831825SYuval Mintz con->snd_wnd = conn_info->snd_wnd; 1244fc831825SYuval Mintz con->rcv_wnd = conn_info->rcv_wnd; 1245fc831825SYuval Mintz con->snd_wl1 = conn_info->snd_wl1; 1246fc831825SYuval Mintz con->cwnd = conn_info->cwnd; 1247fc831825SYuval Mintz con->ss_thresh = conn_info->ss_thresh; 1248fc831825SYuval Mintz con->srtt = conn_info->srtt; 1249fc831825SYuval Mintz con->rtt_var = conn_info->rtt_var; 1250fc831825SYuval Mintz con->ts_recent = conn_info->ts_recent; 1251fc831825SYuval Mintz con->ts_recent_age = conn_info->ts_recent_age; 1252fc831825SYuval Mintz con->total_rt = conn_info->total_rt; 1253fc831825SYuval Mintz con->ka_timeout_delta = conn_info->ka_timeout_delta; 1254fc831825SYuval Mintz con->rt_timeout_delta = conn_info->rt_timeout_delta; 1255fc831825SYuval Mintz con->dup_ack_cnt = conn_info->dup_ack_cnt; 1256fc831825SYuval Mintz con->snd_wnd_probe_cnt = conn_info->snd_wnd_probe_cnt; 1257fc831825SYuval Mintz con->ka_probe_cnt = conn_info->ka_probe_cnt; 1258fc831825SYuval Mintz con->rt_cnt = conn_info->rt_cnt; 1259fc831825SYuval Mintz con->flow_label = conn_info->flow_label; 1260fc831825SYuval Mintz con->ka_timeout = conn_info->ka_timeout; 1261fc831825SYuval Mintz con->ka_interval = conn_info->ka_interval; 1262fc831825SYuval Mintz con->max_rt_time = conn_info->max_rt_time; 1263fc831825SYuval Mintz con->initial_rcv_wnd = conn_info->initial_rcv_wnd; 1264fc831825SYuval Mintz con->ttl = conn_info->ttl; 1265fc831825SYuval Mintz con->tos_or_tc = conn_info->tos_or_tc; 1266fc831825SYuval Mintz con->remote_port = conn_info->remote_port; 1267fc831825SYuval Mintz con->local_port = conn_info->local_port; 1268fc831825SYuval Mintz con->mss = conn_info->mss; 1269fc831825SYuval Mintz con->snd_wnd_scale = conn_info->snd_wnd_scale; 1270fc831825SYuval Mintz con->rcv_wnd_scale = conn_info->rcv_wnd_scale; 1271fc831825SYuval Mintz con->da_timeout_value = conn_info->da_timeout_value; 1272fc831825SYuval Mintz con->ack_frequency = conn_info->ack_frequency; 1273fc831825SYuval Mintz 1274fc831825SYuval Mintz /* Set default values on other connection fields */ 1275fc831825SYuval Mintz con->offl_flags = 0x1; 1276fc831825SYuval Mintz 12777e50769cSMichal Kalderon return qed_sp_iscsi_conn_offload(QED_AFFIN_HWFN(cdev), con, 1278fc831825SYuval Mintz QED_SPQ_MODE_EBLOCK, NULL); 1279fc831825SYuval Mintz } 1280fc831825SYuval Mintz 1281fc831825SYuval Mintz static int qed_iscsi_update_conn(struct qed_dev *cdev, 1282fc831825SYuval Mintz u32 handle, 1283fc831825SYuval Mintz struct qed_iscsi_params_update *conn_info) 1284fc831825SYuval Mintz { 1285fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1286fc831825SYuval Mintz struct qed_iscsi_conn *con; 1287fc831825SYuval Mintz 1288fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1289fc831825SYuval Mintz if (!hash_con) { 1290fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1291fc831825SYuval Mintz handle); 1292fc831825SYuval Mintz return -EINVAL; 1293fc831825SYuval Mintz } 1294fc831825SYuval Mintz 1295fc831825SYuval Mintz /* Update the connection with information from the params */ 1296fc831825SYuval Mintz con = hash_con->con; 1297fc831825SYuval Mintz con->update_flag = conn_info->update_flag; 1298fc831825SYuval Mintz con->max_seq_size = conn_info->max_seq_size; 1299fc831825SYuval Mintz con->max_recv_pdu_length = conn_info->max_recv_pdu_length; 1300fc831825SYuval Mintz con->max_send_pdu_length = conn_info->max_send_pdu_length; 1301fc831825SYuval Mintz con->first_seq_length = conn_info->first_seq_length; 1302fc831825SYuval Mintz con->exp_stat_sn = conn_info->exp_stat_sn; 1303fc831825SYuval Mintz 13047e50769cSMichal Kalderon return qed_sp_iscsi_conn_update(QED_AFFIN_HWFN(cdev), con, 1305fc831825SYuval Mintz QED_SPQ_MODE_EBLOCK, NULL); 1306fc831825SYuval Mintz } 1307fc831825SYuval Mintz 1308fc831825SYuval Mintz static int qed_iscsi_clear_conn_sq(struct qed_dev *cdev, u32 handle) 1309fc831825SYuval Mintz { 1310fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1311fc831825SYuval Mintz 1312fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1313fc831825SYuval Mintz if (!hash_con) { 1314fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1315fc831825SYuval Mintz handle); 1316fc831825SYuval Mintz return -EINVAL; 1317fc831825SYuval Mintz } 1318fc831825SYuval Mintz 13197e50769cSMichal Kalderon return qed_sp_iscsi_conn_clear_sq(QED_AFFIN_HWFN(cdev), hash_con->con, 1320fc831825SYuval Mintz QED_SPQ_MODE_EBLOCK, NULL); 1321fc831825SYuval Mintz } 1322fc831825SYuval Mintz 1323fc831825SYuval Mintz static int qed_iscsi_destroy_conn(struct qed_dev *cdev, 1324fc831825SYuval Mintz u32 handle, u8 abrt_conn) 1325fc831825SYuval Mintz { 1326fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1327fc831825SYuval Mintz 1328fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1329fc831825SYuval Mintz if (!hash_con) { 1330fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1331fc831825SYuval Mintz handle); 1332fc831825SYuval Mintz return -EINVAL; 1333fc831825SYuval Mintz } 1334fc831825SYuval Mintz 1335fc831825SYuval Mintz hash_con->con->abortive_dsconnect = abrt_conn; 1336fc831825SYuval Mintz 13377e50769cSMichal Kalderon return qed_sp_iscsi_conn_terminate(QED_AFFIN_HWFN(cdev), hash_con->con, 1338fc831825SYuval Mintz QED_SPQ_MODE_EBLOCK, NULL); 1339fc831825SYuval Mintz } 1340fc831825SYuval Mintz 1341fc831825SYuval Mintz static int qed_iscsi_stats(struct qed_dev *cdev, struct qed_iscsi_stats *stats) 1342fc831825SYuval Mintz { 13437e50769cSMichal Kalderon return qed_iscsi_get_stats(QED_AFFIN_HWFN(cdev), stats); 1344fc831825SYuval Mintz } 1345fc831825SYuval Mintz 1346dc4528e9SMintz, Yuval static int qed_iscsi_change_mac(struct qed_dev *cdev, 1347dc4528e9SMintz, Yuval u32 handle, const u8 *mac) 1348dc4528e9SMintz, Yuval { 1349dc4528e9SMintz, Yuval struct qed_hash_iscsi_con *hash_con; 1350dc4528e9SMintz, Yuval 1351dc4528e9SMintz, Yuval hash_con = qed_iscsi_get_hash(cdev, handle); 1352dc4528e9SMintz, Yuval if (!hash_con) { 1353dc4528e9SMintz, Yuval DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1354dc4528e9SMintz, Yuval handle); 1355dc4528e9SMintz, Yuval return -EINVAL; 1356dc4528e9SMintz, Yuval } 1357dc4528e9SMintz, Yuval 13587e50769cSMichal Kalderon return qed_sp_iscsi_mac_update(QED_AFFIN_HWFN(cdev), hash_con->con, 1359dc4528e9SMintz, Yuval QED_SPQ_MODE_EBLOCK, NULL); 1360dc4528e9SMintz, Yuval } 1361dc4528e9SMintz, Yuval 13622f2b2614SMintz, Yuval void qed_get_protocol_stats_iscsi(struct qed_dev *cdev, 13632f2b2614SMintz, Yuval struct qed_mcp_iscsi_stats *stats) 13642f2b2614SMintz, Yuval { 13652f2b2614SMintz, Yuval struct qed_iscsi_stats proto_stats; 13662f2b2614SMintz, Yuval 13672f2b2614SMintz, Yuval /* Retrieve FW statistics */ 13682f2b2614SMintz, Yuval memset(&proto_stats, 0, sizeof(proto_stats)); 13692f2b2614SMintz, Yuval if (qed_iscsi_stats(cdev, &proto_stats)) { 13702f2b2614SMintz, Yuval DP_VERBOSE(cdev, QED_MSG_STORAGE, 13712f2b2614SMintz, Yuval "Failed to collect ISCSI statistics\n"); 13722f2b2614SMintz, Yuval return; 13732f2b2614SMintz, Yuval } 13742f2b2614SMintz, Yuval 13752f2b2614SMintz, Yuval /* Translate FW statistics into struct */ 13762f2b2614SMintz, Yuval stats->rx_pdus = proto_stats.iscsi_rx_total_pdu_cnt; 13772f2b2614SMintz, Yuval stats->tx_pdus = proto_stats.iscsi_tx_total_pdu_cnt; 13782f2b2614SMintz, Yuval stats->rx_bytes = proto_stats.iscsi_rx_bytes_cnt; 13792f2b2614SMintz, Yuval stats->tx_bytes = proto_stats.iscsi_tx_bytes_cnt; 13802f2b2614SMintz, Yuval } 13812f2b2614SMintz, Yuval 1382fc831825SYuval Mintz static const struct qed_iscsi_ops qed_iscsi_ops_pass = { 1383fc831825SYuval Mintz .common = &qed_common_ops_pass, 1384fc831825SYuval Mintz .ll2 = &qed_ll2_ops_pass, 1385fc831825SYuval Mintz .fill_dev_info = &qed_fill_iscsi_dev_info, 1386fc831825SYuval Mintz .register_ops = &qed_register_iscsi_ops, 1387fc831825SYuval Mintz .start = &qed_iscsi_start, 1388fc831825SYuval Mintz .stop = &qed_iscsi_stop, 1389fc831825SYuval Mintz .acquire_conn = &qed_iscsi_acquire_conn, 1390fc831825SYuval Mintz .release_conn = &qed_iscsi_release_conn, 1391fc831825SYuval Mintz .offload_conn = &qed_iscsi_offload_conn, 1392fc831825SYuval Mintz .update_conn = &qed_iscsi_update_conn, 1393fc831825SYuval Mintz .destroy_conn = &qed_iscsi_destroy_conn, 1394fc831825SYuval Mintz .clear_sq = &qed_iscsi_clear_conn_sq, 1395fc831825SYuval Mintz .get_stats = &qed_iscsi_stats, 1396dc4528e9SMintz, Yuval .change_mac = &qed_iscsi_change_mac, 1397fc831825SYuval Mintz }; 1398fc831825SYuval Mintz 13997729bad4SArnd Bergmann const struct qed_iscsi_ops *qed_get_iscsi_ops(void) 1400fc831825SYuval Mintz { 1401fc831825SYuval Mintz return &qed_iscsi_ops_pass; 1402fc831825SYuval Mintz } 1403fc831825SYuval Mintz EXPORT_SYMBOL(qed_get_iscsi_ops); 1404fc831825SYuval Mintz 1405fc831825SYuval Mintz void qed_put_iscsi_ops(void) 1406fc831825SYuval Mintz { 1407fc831825SYuval Mintz } 1408fc831825SYuval Mintz EXPORT_SYMBOL(qed_put_iscsi_ops); 1409