1fc831825SYuval Mintz /* QLogic qed NIC Driver 2e8f1cb50SMintz, Yuval * Copyright (c) 2015-2017 QLogic Corporation 3fc831825SYuval Mintz * 4e8f1cb50SMintz, Yuval * This software is available to you under a choice of one of two 5e8f1cb50SMintz, Yuval * licenses. You may choose to be licensed under the terms of the GNU 6e8f1cb50SMintz, Yuval * General Public License (GPL) Version 2, available from the file 7e8f1cb50SMintz, Yuval * COPYING in the main directory of this source tree, or the 8e8f1cb50SMintz, Yuval * OpenIB.org BSD license below: 9e8f1cb50SMintz, Yuval * 10e8f1cb50SMintz, Yuval * Redistribution and use in source and binary forms, with or 11e8f1cb50SMintz, Yuval * without modification, are permitted provided that the following 12e8f1cb50SMintz, Yuval * conditions are met: 13e8f1cb50SMintz, Yuval * 14e8f1cb50SMintz, Yuval * - Redistributions of source code must retain the above 15e8f1cb50SMintz, Yuval * copyright notice, this list of conditions and the following 16e8f1cb50SMintz, Yuval * disclaimer. 17e8f1cb50SMintz, Yuval * 18e8f1cb50SMintz, Yuval * - Redistributions in binary form must reproduce the above 19e8f1cb50SMintz, Yuval * copyright notice, this list of conditions and the following 20e8f1cb50SMintz, Yuval * disclaimer in the documentation and /or other materials 21e8f1cb50SMintz, Yuval * provided with the distribution. 22e8f1cb50SMintz, Yuval * 23e8f1cb50SMintz, Yuval * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24e8f1cb50SMintz, Yuval * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25e8f1cb50SMintz, Yuval * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26e8f1cb50SMintz, Yuval * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27e8f1cb50SMintz, Yuval * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28e8f1cb50SMintz, Yuval * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29e8f1cb50SMintz, Yuval * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30e8f1cb50SMintz, Yuval * SOFTWARE. 31fc831825SYuval Mintz */ 32fc831825SYuval Mintz 33fc831825SYuval Mintz #include <linux/types.h> 34fc831825SYuval Mintz #include <asm/byteorder.h> 35fc831825SYuval Mintz #include <asm/param.h> 36fc831825SYuval Mintz #include <linux/delay.h> 37fc831825SYuval Mintz #include <linux/dma-mapping.h> 38fc831825SYuval Mintz #include <linux/etherdevice.h> 39fc831825SYuval Mintz #include <linux/interrupt.h> 40fc831825SYuval Mintz #include <linux/kernel.h> 41fc831825SYuval Mintz #include <linux/log2.h> 42fc831825SYuval Mintz #include <linux/module.h> 43fc831825SYuval Mintz #include <linux/pci.h> 44fc831825SYuval Mintz #include <linux/slab.h> 45fc831825SYuval Mintz #include <linux/stddef.h> 46fc831825SYuval Mintz #include <linux/string.h> 47fc831825SYuval Mintz #include <linux/workqueue.h> 48fc831825SYuval Mintz #include <linux/errno.h> 49fc831825SYuval Mintz #include <linux/list.h> 50fc831825SYuval Mintz #include <linux/spinlock.h> 51fc831825SYuval Mintz #include <linux/qed/qed_iscsi_if.h> 52fc831825SYuval Mintz #include "qed.h" 53fc831825SYuval Mintz #include "qed_cxt.h" 54fc831825SYuval Mintz #include "qed_dev_api.h" 55fc831825SYuval Mintz #include "qed_hsi.h" 56fc831825SYuval Mintz #include "qed_hw.h" 57fc831825SYuval Mintz #include "qed_int.h" 58fc831825SYuval Mintz #include "qed_iscsi.h" 59fc831825SYuval Mintz #include "qed_ll2.h" 60fc831825SYuval Mintz #include "qed_mcp.h" 61fc831825SYuval Mintz #include "qed_sp.h" 62fc831825SYuval Mintz #include "qed_sriov.h" 63fc831825SYuval Mintz #include "qed_reg_addr.h" 64fc831825SYuval Mintz 65fc831825SYuval Mintz struct qed_iscsi_conn { 66fc831825SYuval Mintz struct list_head list_entry; 67fc831825SYuval Mintz bool free_on_delete; 68fc831825SYuval Mintz 69fc831825SYuval Mintz u16 conn_id; 70fc831825SYuval Mintz u32 icid; 71fc831825SYuval Mintz u32 fw_cid; 72fc831825SYuval Mintz 73fc831825SYuval Mintz u8 layer_code; 74fc831825SYuval Mintz u8 offl_flags; 75fc831825SYuval Mintz u8 connect_mode; 76fc831825SYuval Mintz u32 initial_ack; 77fc831825SYuval Mintz dma_addr_t sq_pbl_addr; 78fc831825SYuval Mintz struct qed_chain r2tq; 79fc831825SYuval Mintz struct qed_chain xhq; 80fc831825SYuval Mintz struct qed_chain uhq; 81fc831825SYuval Mintz 82fc831825SYuval Mintz struct tcp_upload_params *tcp_upload_params_virt_addr; 83fc831825SYuval Mintz dma_addr_t tcp_upload_params_phys_addr; 84fc831825SYuval Mintz struct scsi_terminate_extra_params *queue_cnts_virt_addr; 85fc831825SYuval Mintz dma_addr_t queue_cnts_phys_addr; 86fc831825SYuval Mintz dma_addr_t syn_phy_addr; 87fc831825SYuval Mintz 88fc831825SYuval Mintz u16 syn_ip_payload_length; 89fc831825SYuval Mintz u8 local_mac[6]; 90fc831825SYuval Mintz u8 remote_mac[6]; 91fc831825SYuval Mintz u16 vlan_id; 92da090917STomer Tayar u16 tcp_flags; 93fc831825SYuval Mintz u8 ip_version; 94fc831825SYuval Mintz u32 remote_ip[4]; 95fc831825SYuval Mintz u32 local_ip[4]; 96fc831825SYuval Mintz u8 ka_max_probe_cnt; 97fc831825SYuval Mintz u8 dup_ack_theshold; 98fc831825SYuval Mintz u32 rcv_next; 99fc831825SYuval Mintz u32 snd_una; 100fc831825SYuval Mintz u32 snd_next; 101fc831825SYuval Mintz u32 snd_max; 102fc831825SYuval Mintz u32 snd_wnd; 103fc831825SYuval Mintz u32 rcv_wnd; 104fc831825SYuval Mintz u32 snd_wl1; 105fc831825SYuval Mintz u32 cwnd; 106fc831825SYuval Mintz u32 ss_thresh; 107fc831825SYuval Mintz u16 srtt; 108fc831825SYuval Mintz u16 rtt_var; 109fc831825SYuval Mintz u32 ts_recent; 110fc831825SYuval Mintz u32 ts_recent_age; 111fc831825SYuval Mintz u32 total_rt; 112fc831825SYuval Mintz u32 ka_timeout_delta; 113fc831825SYuval Mintz u32 rt_timeout_delta; 114fc831825SYuval Mintz u8 dup_ack_cnt; 115fc831825SYuval Mintz u8 snd_wnd_probe_cnt; 116fc831825SYuval Mintz u8 ka_probe_cnt; 117fc831825SYuval Mintz u8 rt_cnt; 118fc831825SYuval Mintz u32 flow_label; 119fc831825SYuval Mintz u32 ka_timeout; 120fc831825SYuval Mintz u32 ka_interval; 121fc831825SYuval Mintz u32 max_rt_time; 122fc831825SYuval Mintz u32 initial_rcv_wnd; 123fc831825SYuval Mintz u8 ttl; 124fc831825SYuval Mintz u8 tos_or_tc; 125fc831825SYuval Mintz u16 remote_port; 126fc831825SYuval Mintz u16 local_port; 127fc831825SYuval Mintz u16 mss; 128fc831825SYuval Mintz u8 snd_wnd_scale; 129fc831825SYuval Mintz u8 rcv_wnd_scale; 130fc831825SYuval Mintz u16 da_timeout_value; 131fc831825SYuval Mintz u8 ack_frequency; 132fc831825SYuval Mintz 133fc831825SYuval Mintz u8 update_flag; 134fc831825SYuval Mintz u8 default_cq; 135fc831825SYuval Mintz u32 max_seq_size; 136fc831825SYuval Mintz u32 max_recv_pdu_length; 137fc831825SYuval Mintz u32 max_send_pdu_length; 138fc831825SYuval Mintz u32 first_seq_length; 139fc831825SYuval Mintz u32 exp_stat_sn; 140fc831825SYuval Mintz u32 stat_sn; 141fc831825SYuval Mintz u16 physical_q0; 142fc831825SYuval Mintz u16 physical_q1; 143fc831825SYuval Mintz u8 abortive_dsconnect; 144fc831825SYuval Mintz }; 145fc831825SYuval Mintz 146fc831825SYuval Mintz static int 147a2e7699eSTomer Tayar qed_iscsi_async_event(struct qed_hwfn *p_hwfn, 148a2e7699eSTomer Tayar u8 fw_event_code, 149a2e7699eSTomer Tayar u16 echo, union event_ring_data *data, u8 fw_return_code) 150a2e7699eSTomer Tayar { 151a2e7699eSTomer Tayar if (p_hwfn->p_iscsi_info->event_cb) { 152a2e7699eSTomer Tayar struct qed_iscsi_info *p_iscsi = p_hwfn->p_iscsi_info; 153a2e7699eSTomer Tayar 154a2e7699eSTomer Tayar return p_iscsi->event_cb(p_iscsi->event_context, 155a2e7699eSTomer Tayar fw_event_code, data); 156a2e7699eSTomer Tayar } else { 157a2e7699eSTomer Tayar DP_NOTICE(p_hwfn, "iSCSI async completion is not set\n"); 158a2e7699eSTomer Tayar return -EINVAL; 159a2e7699eSTomer Tayar } 160a2e7699eSTomer Tayar } 161a2e7699eSTomer Tayar 162a2e7699eSTomer Tayar static int 163fc831825SYuval Mintz qed_sp_iscsi_func_start(struct qed_hwfn *p_hwfn, 164fc831825SYuval Mintz enum spq_mode comp_mode, 165fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr, 166fc831825SYuval Mintz void *event_context, iscsi_event_cb_t async_event_cb) 167fc831825SYuval Mintz { 168fc831825SYuval Mintz struct iscsi_init_ramrod_params *p_ramrod = NULL; 169fc831825SYuval Mintz struct scsi_init_func_queues *p_queue = NULL; 170fc831825SYuval Mintz struct qed_iscsi_pf_params *p_params = NULL; 171fc831825SYuval Mintz struct iscsi_spe_func_init *p_init = NULL; 172fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 173fc831825SYuval Mintz struct qed_sp_init_data init_data; 174fc831825SYuval Mintz int rc = 0; 175fc831825SYuval Mintz u32 dval; 176fc831825SYuval Mintz u16 val; 177fc831825SYuval Mintz u8 i; 178fc831825SYuval Mintz 179fc831825SYuval Mintz /* Get SPQ entry */ 180fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 181fc831825SYuval Mintz init_data.cid = qed_spq_get_cid(p_hwfn); 182fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 183fc831825SYuval Mintz init_data.comp_mode = comp_mode; 184fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 185fc831825SYuval Mintz 186fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 187fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_INIT_FUNC, 188fc831825SYuval Mintz PROTOCOLID_ISCSI, &init_data); 189fc831825SYuval Mintz if (rc) 190fc831825SYuval Mintz return rc; 191fc831825SYuval Mintz 192fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_init; 193fc831825SYuval Mintz p_init = &p_ramrod->iscsi_init_spe; 194fc831825SYuval Mintz p_params = &p_hwfn->pf_params.iscsi_pf_params; 195fc831825SYuval Mintz p_queue = &p_init->q_params; 196fc831825SYuval Mintz 19708737a3fSMintz, Yuval /* Sanity */ 19808737a3fSMintz, Yuval if (p_params->num_queues > p_hwfn->hw_info.feat_num[QED_ISCSI_CQ]) { 19908737a3fSMintz, Yuval DP_ERR(p_hwfn, 20008737a3fSMintz, Yuval "Cannot satisfy CQ amount. Queues requested %d, CQs available %d. Aborting function start\n", 20108737a3fSMintz, Yuval p_params->num_queues, 20288fa9527SMintz, Yuval p_hwfn->hw_info.feat_num[QED_ISCSI_CQ]); 203fb5e7438SDenis Bolotin qed_sp_destroy_request(p_hwfn, p_ent); 20408737a3fSMintz, Yuval return -EINVAL; 20508737a3fSMintz, Yuval } 20608737a3fSMintz, Yuval 207fc831825SYuval Mintz SET_FIELD(p_init->hdr.flags, 208fc831825SYuval Mintz ISCSI_SLOW_PATH_HDR_LAYER_CODE, ISCSI_SLOW_PATH_LAYER_CODE); 209fc831825SYuval Mintz p_init->hdr.op_code = ISCSI_RAMROD_CMD_ID_INIT_FUNC; 210fc831825SYuval Mintz 211fc831825SYuval Mintz val = p_params->half_way_close_timeout; 212fc831825SYuval Mintz p_init->half_way_close_timeout = cpu_to_le16(val); 213fc831825SYuval Mintz p_init->num_sq_pages_in_ring = p_params->num_sq_pages_in_ring; 214fc831825SYuval Mintz p_init->num_r2tq_pages_in_ring = p_params->num_r2tq_pages_in_ring; 215fc831825SYuval Mintz p_init->num_uhq_pages_in_ring = p_params->num_uhq_pages_in_ring; 2166b116b1dSMintz, Yuval p_init->ll2_rx_queue_id = p_hwfn->hw_info.resc_start[QED_LL2_QUEUE] + 2176b116b1dSMintz, Yuval p_params->ll2_ooo_queue_id; 218da090917STomer Tayar 219fc831825SYuval Mintz p_init->func_params.log_page_size = p_params->log_page_size; 220fc831825SYuval Mintz val = p_params->num_tasks; 221fc831825SYuval Mintz p_init->func_params.num_tasks = cpu_to_le16(val); 222fc831825SYuval Mintz p_init->debug_mode.flags = p_params->debug_mode; 223fc831825SYuval Mintz 224fc831825SYuval Mintz DMA_REGPAIR_LE(p_queue->glbl_q_params_addr, 225fc831825SYuval Mintz p_params->glbl_q_params_addr); 226fc831825SYuval Mintz 227fc831825SYuval Mintz val = p_params->cq_num_entries; 228fc831825SYuval Mintz p_queue->cq_num_entries = cpu_to_le16(val); 229fc831825SYuval Mintz val = p_params->cmdq_num_entries; 230fc831825SYuval Mintz p_queue->cmdq_num_entries = cpu_to_le16(val); 231fc831825SYuval Mintz p_queue->num_queues = p_params->num_queues; 232fc831825SYuval Mintz dval = (u8)p_hwfn->hw_info.resc_start[QED_CMDQS_CQS]; 233fc831825SYuval Mintz p_queue->queue_relative_offset = (u8)dval; 234fc831825SYuval Mintz p_queue->cq_sb_pi = p_params->gl_rq_pi; 235fc831825SYuval Mintz p_queue->cmdq_sb_pi = p_params->gl_cmd_pi; 236fc831825SYuval Mintz 237fc831825SYuval Mintz for (i = 0; i < p_params->num_queues; i++) { 23850a20714SMintz, Yuval val = qed_get_igu_sb_id(p_hwfn, i); 239fc831825SYuval Mintz p_queue->cq_cmdq_sb_num_arr[i] = cpu_to_le16(val); 240fc831825SYuval Mintz } 241fc831825SYuval Mintz 242d0d40a73SMintz, Yuval p_queue->bdq_resource_id = (u8)RESC_START(p_hwfn, QED_BDQ); 243fc831825SYuval Mintz 244fc831825SYuval Mintz DMA_REGPAIR_LE(p_queue->bdq_pbl_base_address[BDQ_ID_RQ], 245fc831825SYuval Mintz p_params->bdq_pbl_base_addr[BDQ_ID_RQ]); 246fc831825SYuval Mintz p_queue->bdq_pbl_num_entries[BDQ_ID_RQ] = 247fc831825SYuval Mintz p_params->bdq_pbl_num_entries[BDQ_ID_RQ]; 248fc831825SYuval Mintz val = p_params->bdq_xoff_threshold[BDQ_ID_RQ]; 249fc831825SYuval Mintz p_queue->bdq_xoff_threshold[BDQ_ID_RQ] = cpu_to_le16(val); 250fc831825SYuval Mintz val = p_params->bdq_xon_threshold[BDQ_ID_RQ]; 251fc831825SYuval Mintz p_queue->bdq_xon_threshold[BDQ_ID_RQ] = cpu_to_le16(val); 252fc831825SYuval Mintz 253fc831825SYuval Mintz DMA_REGPAIR_LE(p_queue->bdq_pbl_base_address[BDQ_ID_IMM_DATA], 254fc831825SYuval Mintz p_params->bdq_pbl_base_addr[BDQ_ID_IMM_DATA]); 255fc831825SYuval Mintz p_queue->bdq_pbl_num_entries[BDQ_ID_IMM_DATA] = 256fc831825SYuval Mintz p_params->bdq_pbl_num_entries[BDQ_ID_IMM_DATA]; 257fc831825SYuval Mintz val = p_params->bdq_xoff_threshold[BDQ_ID_IMM_DATA]; 258fc831825SYuval Mintz p_queue->bdq_xoff_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(val); 259fc831825SYuval Mintz val = p_params->bdq_xon_threshold[BDQ_ID_IMM_DATA]; 260fc831825SYuval Mintz p_queue->bdq_xon_threshold[BDQ_ID_IMM_DATA] = cpu_to_le16(val); 261fc831825SYuval Mintz val = p_params->rq_buffer_size; 262fc831825SYuval Mintz p_queue->rq_buffer_size = cpu_to_le16(val); 263fc831825SYuval Mintz if (p_params->is_target) { 264fc831825SYuval Mintz SET_FIELD(p_queue->q_validity, 265fc831825SYuval Mintz SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1); 266fc831825SYuval Mintz if (p_queue->bdq_pbl_num_entries[BDQ_ID_IMM_DATA]) 267fc831825SYuval Mintz SET_FIELD(p_queue->q_validity, 268fc831825SYuval Mintz SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID, 1); 269fc831825SYuval Mintz SET_FIELD(p_queue->q_validity, 270fc831825SYuval Mintz SCSI_INIT_FUNC_QUEUES_CMD_VALID, 1); 271fc831825SYuval Mintz } else { 272fc831825SYuval Mintz SET_FIELD(p_queue->q_validity, 273fc831825SYuval Mintz SCSI_INIT_FUNC_QUEUES_RQ_VALID, 1); 274fc831825SYuval Mintz } 275fc831825SYuval Mintz p_ramrod->tcp_init.two_msl_timer = cpu_to_le32(p_params->two_msl_timer); 276fc831825SYuval Mintz val = p_params->tx_sws_timer; 277fc831825SYuval Mintz p_ramrod->tcp_init.tx_sws_timer = cpu_to_le16(val); 278a2e7699eSTomer Tayar p_ramrod->tcp_init.max_fin_rt = p_params->max_fin_rt; 279fc831825SYuval Mintz 280fc831825SYuval Mintz p_hwfn->p_iscsi_info->event_context = event_context; 281fc831825SYuval Mintz p_hwfn->p_iscsi_info->event_cb = async_event_cb; 282fc831825SYuval Mintz 2836c9e80eaSMichal Kalderon qed_spq_register_async_cb(p_hwfn, PROTOCOLID_ISCSI, 2846c9e80eaSMichal Kalderon qed_iscsi_async_event); 2856c9e80eaSMichal Kalderon 286fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 287fc831825SYuval Mintz } 288fc831825SYuval Mintz 289fc831825SYuval Mintz static int qed_sp_iscsi_conn_offload(struct qed_hwfn *p_hwfn, 290fc831825SYuval Mintz struct qed_iscsi_conn *p_conn, 291fc831825SYuval Mintz enum spq_mode comp_mode, 292fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 293fc831825SYuval Mintz { 294fc831825SYuval Mintz struct iscsi_spe_conn_offload *p_ramrod = NULL; 295fc831825SYuval Mintz struct tcp_offload_params_opt2 *p_tcp2 = NULL; 296fc831825SYuval Mintz struct tcp_offload_params *p_tcp = NULL; 297fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 298fc831825SYuval Mintz struct qed_sp_init_data init_data; 299fc831825SYuval Mintz dma_addr_t r2tq_pbl_addr; 300fc831825SYuval Mintz dma_addr_t xhq_pbl_addr; 301fc831825SYuval Mintz dma_addr_t uhq_pbl_addr; 302b5a9ee7cSAriel Elior u16 physical_q; 303fc831825SYuval Mintz int rc = 0; 304fc831825SYuval Mintz u32 dval; 305fc831825SYuval Mintz u16 wval; 306fc831825SYuval Mintz u16 *p; 307a2e7699eSTomer Tayar u8 i; 308fc831825SYuval Mintz 309fc831825SYuval Mintz /* Get SPQ entry */ 310fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 311fc831825SYuval Mintz init_data.cid = p_conn->icid; 312fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 313fc831825SYuval Mintz init_data.comp_mode = comp_mode; 314fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 315fc831825SYuval Mintz 316fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 317fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN, 318fc831825SYuval Mintz PROTOCOLID_ISCSI, &init_data); 319fc831825SYuval Mintz if (rc) 320fc831825SYuval Mintz return rc; 321fc831825SYuval Mintz 322fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_conn_offload; 323fc831825SYuval Mintz 324fc831825SYuval Mintz /* Transmission PQ is the first of the PF */ 325b5a9ee7cSAriel Elior physical_q = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_OFLD); 326b5a9ee7cSAriel Elior p_conn->physical_q0 = cpu_to_le16(physical_q); 327b5a9ee7cSAriel Elior p_ramrod->iscsi.physical_q0 = cpu_to_le16(physical_q); 328fc831825SYuval Mintz 329fc831825SYuval Mintz /* iSCSI Pure-ACK PQ */ 330b5a9ee7cSAriel Elior physical_q = qed_get_cm_pq_idx(p_hwfn, PQ_FLAGS_ACK); 331b5a9ee7cSAriel Elior p_conn->physical_q1 = cpu_to_le16(physical_q); 332b5a9ee7cSAriel Elior p_ramrod->iscsi.physical_q1 = cpu_to_le16(physical_q); 333fc831825SYuval Mintz 334fc831825SYuval Mintz p_ramrod->hdr.op_code = ISCSI_RAMROD_CMD_ID_OFFLOAD_CONN; 335fc831825SYuval Mintz SET_FIELD(p_ramrod->hdr.flags, ISCSI_SLOW_PATH_HDR_LAYER_CODE, 336fc831825SYuval Mintz p_conn->layer_code); 337fc831825SYuval Mintz 338fc831825SYuval Mintz p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id); 339fc831825SYuval Mintz p_ramrod->fw_cid = cpu_to_le32(p_conn->icid); 340fc831825SYuval Mintz 341fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->iscsi.sq_pbl_addr, p_conn->sq_pbl_addr); 342fc831825SYuval Mintz 343fc831825SYuval Mintz r2tq_pbl_addr = qed_chain_get_pbl_phys(&p_conn->r2tq); 344fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->iscsi.r2tq_pbl_addr, r2tq_pbl_addr); 345fc831825SYuval Mintz 346fc831825SYuval Mintz xhq_pbl_addr = qed_chain_get_pbl_phys(&p_conn->xhq); 347fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->iscsi.xhq_pbl_addr, xhq_pbl_addr); 348fc831825SYuval Mintz 349fc831825SYuval Mintz uhq_pbl_addr = qed_chain_get_pbl_phys(&p_conn->uhq); 350fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->iscsi.uhq_pbl_addr, uhq_pbl_addr); 351fc831825SYuval Mintz 352fc831825SYuval Mintz p_ramrod->iscsi.initial_ack = cpu_to_le32(p_conn->initial_ack); 353fc831825SYuval Mintz p_ramrod->iscsi.flags = p_conn->offl_flags; 354fc831825SYuval Mintz p_ramrod->iscsi.default_cq = p_conn->default_cq; 355fc831825SYuval Mintz p_ramrod->iscsi.stat_sn = cpu_to_le32(p_conn->stat_sn); 356fc831825SYuval Mintz 357fc831825SYuval Mintz if (!GET_FIELD(p_ramrod->iscsi.flags, 358fc831825SYuval Mintz ISCSI_CONN_OFFLOAD_PARAMS_TCP_ON_CHIP_1B)) { 359fc831825SYuval Mintz p_tcp = &p_ramrod->tcp; 360fc831825SYuval Mintz 361fc831825SYuval Mintz p = (u16 *)p_conn->local_mac; 362fc831825SYuval Mintz p_tcp->local_mac_addr_hi = swab16(get_unaligned(p)); 363fc831825SYuval Mintz p_tcp->local_mac_addr_mid = swab16(get_unaligned(p + 1)); 364fc831825SYuval Mintz p_tcp->local_mac_addr_lo = swab16(get_unaligned(p + 2)); 365fc831825SYuval Mintz 366fc831825SYuval Mintz p = (u16 *)p_conn->remote_mac; 367fc831825SYuval Mintz p_tcp->remote_mac_addr_hi = swab16(get_unaligned(p)); 368fc831825SYuval Mintz p_tcp->remote_mac_addr_mid = swab16(get_unaligned(p + 1)); 369fc831825SYuval Mintz p_tcp->remote_mac_addr_lo = swab16(get_unaligned(p + 2)); 370fc831825SYuval Mintz 371fc831825SYuval Mintz p_tcp->vlan_id = cpu_to_le16(p_conn->vlan_id); 372fc831825SYuval Mintz 373da090917STomer Tayar p_tcp->flags = cpu_to_le16(p_conn->tcp_flags); 374fc831825SYuval Mintz p_tcp->ip_version = p_conn->ip_version; 375fc831825SYuval Mintz for (i = 0; i < 4; i++) { 376fc831825SYuval Mintz dval = p_conn->remote_ip[i]; 377fc831825SYuval Mintz p_tcp->remote_ip[i] = cpu_to_le32(dval); 378fc831825SYuval Mintz dval = p_conn->local_ip[i]; 379fc831825SYuval Mintz p_tcp->local_ip[i] = cpu_to_le32(dval); 380fc831825SYuval Mintz } 381fc831825SYuval Mintz p_tcp->ka_max_probe_cnt = p_conn->ka_max_probe_cnt; 382fc831825SYuval Mintz p_tcp->dup_ack_theshold = p_conn->dup_ack_theshold; 383fc831825SYuval Mintz 384fc831825SYuval Mintz p_tcp->rcv_next = cpu_to_le32(p_conn->rcv_next); 385fc831825SYuval Mintz p_tcp->snd_una = cpu_to_le32(p_conn->snd_una); 386fc831825SYuval Mintz p_tcp->snd_next = cpu_to_le32(p_conn->snd_next); 387fc831825SYuval Mintz p_tcp->snd_max = cpu_to_le32(p_conn->snd_max); 388fc831825SYuval Mintz p_tcp->snd_wnd = cpu_to_le32(p_conn->snd_wnd); 389fc831825SYuval Mintz p_tcp->rcv_wnd = cpu_to_le32(p_conn->rcv_wnd); 390fc831825SYuval Mintz p_tcp->snd_wl1 = cpu_to_le32(p_conn->snd_wl1); 391fc831825SYuval Mintz p_tcp->cwnd = cpu_to_le32(p_conn->cwnd); 392fc831825SYuval Mintz p_tcp->ss_thresh = cpu_to_le32(p_conn->ss_thresh); 393fc831825SYuval Mintz p_tcp->srtt = cpu_to_le16(p_conn->srtt); 394fc831825SYuval Mintz p_tcp->rtt_var = cpu_to_le16(p_conn->rtt_var); 395fc831825SYuval Mintz p_tcp->ts_recent = cpu_to_le32(p_conn->ts_recent); 396fc831825SYuval Mintz p_tcp->ts_recent_age = cpu_to_le32(p_conn->ts_recent_age); 397fc831825SYuval Mintz p_tcp->total_rt = cpu_to_le32(p_conn->total_rt); 398fc831825SYuval Mintz dval = p_conn->ka_timeout_delta; 399fc831825SYuval Mintz p_tcp->ka_timeout_delta = cpu_to_le32(dval); 400fc831825SYuval Mintz dval = p_conn->rt_timeout_delta; 401fc831825SYuval Mintz p_tcp->rt_timeout_delta = cpu_to_le32(dval); 402fc831825SYuval Mintz p_tcp->dup_ack_cnt = p_conn->dup_ack_cnt; 403fc831825SYuval Mintz p_tcp->snd_wnd_probe_cnt = p_conn->snd_wnd_probe_cnt; 404fc831825SYuval Mintz p_tcp->ka_probe_cnt = p_conn->ka_probe_cnt; 405fc831825SYuval Mintz p_tcp->rt_cnt = p_conn->rt_cnt; 406fc831825SYuval Mintz p_tcp->flow_label = cpu_to_le32(p_conn->flow_label); 407fc831825SYuval Mintz p_tcp->ka_timeout = cpu_to_le32(p_conn->ka_timeout); 408fc831825SYuval Mintz p_tcp->ka_interval = cpu_to_le32(p_conn->ka_interval); 409fc831825SYuval Mintz p_tcp->max_rt_time = cpu_to_le32(p_conn->max_rt_time); 410fc831825SYuval Mintz dval = p_conn->initial_rcv_wnd; 411fc831825SYuval Mintz p_tcp->initial_rcv_wnd = cpu_to_le32(dval); 412fc831825SYuval Mintz p_tcp->ttl = p_conn->ttl; 413fc831825SYuval Mintz p_tcp->tos_or_tc = p_conn->tos_or_tc; 414fc831825SYuval Mintz p_tcp->remote_port = cpu_to_le16(p_conn->remote_port); 415fc831825SYuval Mintz p_tcp->local_port = cpu_to_le16(p_conn->local_port); 416fc831825SYuval Mintz p_tcp->mss = cpu_to_le16(p_conn->mss); 417fc831825SYuval Mintz p_tcp->snd_wnd_scale = p_conn->snd_wnd_scale; 418fc831825SYuval Mintz p_tcp->rcv_wnd_scale = p_conn->rcv_wnd_scale; 419fc831825SYuval Mintz wval = p_conn->da_timeout_value; 420fc831825SYuval Mintz p_tcp->da_timeout_value = cpu_to_le16(wval); 421fc831825SYuval Mintz p_tcp->ack_frequency = p_conn->ack_frequency; 422fc831825SYuval Mintz p_tcp->connect_mode = p_conn->connect_mode; 423fc831825SYuval Mintz } else { 424fc831825SYuval Mintz p_tcp2 = 425fc831825SYuval Mintz &((struct iscsi_spe_conn_offload_option2 *)p_ramrod)->tcp; 426fc831825SYuval Mintz 427fc831825SYuval Mintz p = (u16 *)p_conn->local_mac; 428fc831825SYuval Mintz p_tcp2->local_mac_addr_hi = swab16(get_unaligned(p)); 429fc831825SYuval Mintz p_tcp2->local_mac_addr_mid = swab16(get_unaligned(p + 1)); 430fc831825SYuval Mintz p_tcp2->local_mac_addr_lo = swab16(get_unaligned(p + 2)); 431fc831825SYuval Mintz 432fc831825SYuval Mintz p = (u16 *)p_conn->remote_mac; 433fc831825SYuval Mintz p_tcp2->remote_mac_addr_hi = swab16(get_unaligned(p)); 434fc831825SYuval Mintz p_tcp2->remote_mac_addr_mid = swab16(get_unaligned(p + 1)); 435fc831825SYuval Mintz p_tcp2->remote_mac_addr_lo = swab16(get_unaligned(p + 2)); 436fc831825SYuval Mintz 437fc831825SYuval Mintz p_tcp2->vlan_id = cpu_to_le16(p_conn->vlan_id); 438da090917STomer Tayar p_tcp2->flags = cpu_to_le16(p_conn->tcp_flags); 439fc831825SYuval Mintz 440fc831825SYuval Mintz p_tcp2->ip_version = p_conn->ip_version; 441fc831825SYuval Mintz for (i = 0; i < 4; i++) { 442fc831825SYuval Mintz dval = p_conn->remote_ip[i]; 443fc831825SYuval Mintz p_tcp2->remote_ip[i] = cpu_to_le32(dval); 444fc831825SYuval Mintz dval = p_conn->local_ip[i]; 445fc831825SYuval Mintz p_tcp2->local_ip[i] = cpu_to_le32(dval); 446fc831825SYuval Mintz } 447fc831825SYuval Mintz 448fc831825SYuval Mintz p_tcp2->flow_label = cpu_to_le32(p_conn->flow_label); 449fc831825SYuval Mintz p_tcp2->ttl = p_conn->ttl; 450fc831825SYuval Mintz p_tcp2->tos_or_tc = p_conn->tos_or_tc; 451fc831825SYuval Mintz p_tcp2->remote_port = cpu_to_le16(p_conn->remote_port); 452fc831825SYuval Mintz p_tcp2->local_port = cpu_to_le16(p_conn->local_port); 453fc831825SYuval Mintz p_tcp2->mss = cpu_to_le16(p_conn->mss); 454fc831825SYuval Mintz p_tcp2->rcv_wnd_scale = p_conn->rcv_wnd_scale; 455fc831825SYuval Mintz p_tcp2->connect_mode = p_conn->connect_mode; 456fc831825SYuval Mintz wval = p_conn->syn_ip_payload_length; 457fc831825SYuval Mintz p_tcp2->syn_ip_payload_length = cpu_to_le16(wval); 458fc831825SYuval Mintz p_tcp2->syn_phy_addr_lo = DMA_LO_LE(p_conn->syn_phy_addr); 459fc831825SYuval Mintz p_tcp2->syn_phy_addr_hi = DMA_HI_LE(p_conn->syn_phy_addr); 460da090917STomer Tayar p_tcp2->cwnd = cpu_to_le32(p_conn->cwnd); 461da090917STomer Tayar p_tcp2->ka_max_probe_cnt = p_conn->ka_probe_cnt; 462da090917STomer Tayar p_tcp2->ka_timeout = cpu_to_le32(p_conn->ka_timeout); 463da090917STomer Tayar p_tcp2->max_rt_time = cpu_to_le32(p_conn->max_rt_time); 464da090917STomer Tayar p_tcp2->ka_interval = cpu_to_le32(p_conn->ka_interval); 465fc831825SYuval Mintz } 466fc831825SYuval Mintz 467fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 468fc831825SYuval Mintz } 469fc831825SYuval Mintz 470fc831825SYuval Mintz static int qed_sp_iscsi_conn_update(struct qed_hwfn *p_hwfn, 471fc831825SYuval Mintz struct qed_iscsi_conn *p_conn, 472fc831825SYuval Mintz enum spq_mode comp_mode, 473fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 474fc831825SYuval Mintz { 475fc831825SYuval Mintz struct iscsi_conn_update_ramrod_params *p_ramrod = NULL; 476fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 477fc831825SYuval Mintz struct qed_sp_init_data init_data; 478fc831825SYuval Mintz int rc = -EINVAL; 479fc831825SYuval Mintz u32 dval; 480fc831825SYuval Mintz 481fc831825SYuval Mintz /* Get SPQ entry */ 482fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 483fc831825SYuval Mintz init_data.cid = p_conn->icid; 484fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 485fc831825SYuval Mintz init_data.comp_mode = comp_mode; 486fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 487fc831825SYuval Mintz 488fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 489fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_UPDATE_CONN, 490fc831825SYuval Mintz PROTOCOLID_ISCSI, &init_data); 491fc831825SYuval Mintz if (rc) 492fc831825SYuval Mintz return rc; 493fc831825SYuval Mintz 494fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_conn_update; 495fc831825SYuval Mintz p_ramrod->hdr.op_code = ISCSI_RAMROD_CMD_ID_UPDATE_CONN; 496fc831825SYuval Mintz SET_FIELD(p_ramrod->hdr.flags, 497fc831825SYuval Mintz ISCSI_SLOW_PATH_HDR_LAYER_CODE, p_conn->layer_code); 498fc831825SYuval Mintz 499fc831825SYuval Mintz p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id); 500fc831825SYuval Mintz p_ramrod->fw_cid = cpu_to_le32(p_conn->icid); 501fc831825SYuval Mintz p_ramrod->flags = p_conn->update_flag; 502fc831825SYuval Mintz p_ramrod->max_seq_size = cpu_to_le32(p_conn->max_seq_size); 503fc831825SYuval Mintz dval = p_conn->max_recv_pdu_length; 504fc831825SYuval Mintz p_ramrod->max_recv_pdu_length = cpu_to_le32(dval); 505fc831825SYuval Mintz dval = p_conn->max_send_pdu_length; 506fc831825SYuval Mintz p_ramrod->max_send_pdu_length = cpu_to_le32(dval); 507fc831825SYuval Mintz dval = p_conn->first_seq_length; 508fc831825SYuval Mintz p_ramrod->first_seq_length = cpu_to_le32(dval); 509fc831825SYuval Mintz p_ramrod->exp_stat_sn = cpu_to_le32(p_conn->exp_stat_sn); 510fc831825SYuval Mintz 511fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 512fc831825SYuval Mintz } 513fc831825SYuval Mintz 514dc4528e9SMintz, Yuval static int 515dc4528e9SMintz, Yuval qed_sp_iscsi_mac_update(struct qed_hwfn *p_hwfn, 516dc4528e9SMintz, Yuval struct qed_iscsi_conn *p_conn, 517dc4528e9SMintz, Yuval enum spq_mode comp_mode, 518dc4528e9SMintz, Yuval struct qed_spq_comp_cb *p_comp_addr) 519dc4528e9SMintz, Yuval { 520dc4528e9SMintz, Yuval struct iscsi_spe_conn_mac_update *p_ramrod = NULL; 521dc4528e9SMintz, Yuval struct qed_spq_entry *p_ent = NULL; 522dc4528e9SMintz, Yuval struct qed_sp_init_data init_data; 523dc4528e9SMintz, Yuval int rc = -EINVAL; 524dc4528e9SMintz, Yuval u8 ucval; 525dc4528e9SMintz, Yuval 526dc4528e9SMintz, Yuval /* Get SPQ entry */ 527dc4528e9SMintz, Yuval memset(&init_data, 0, sizeof(init_data)); 528dc4528e9SMintz, Yuval init_data.cid = p_conn->icid; 529dc4528e9SMintz, Yuval init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 530dc4528e9SMintz, Yuval init_data.comp_mode = comp_mode; 531dc4528e9SMintz, Yuval init_data.p_comp_data = p_comp_addr; 532dc4528e9SMintz, Yuval 533dc4528e9SMintz, Yuval rc = qed_sp_init_request(p_hwfn, &p_ent, 534dc4528e9SMintz, Yuval ISCSI_RAMROD_CMD_ID_MAC_UPDATE, 535dc4528e9SMintz, Yuval PROTOCOLID_ISCSI, &init_data); 536dc4528e9SMintz, Yuval if (rc) 537dc4528e9SMintz, Yuval return rc; 538dc4528e9SMintz, Yuval 539dc4528e9SMintz, Yuval p_ramrod = &p_ent->ramrod.iscsi_conn_mac_update; 540dc4528e9SMintz, Yuval p_ramrod->hdr.op_code = ISCSI_RAMROD_CMD_ID_MAC_UPDATE; 541dc4528e9SMintz, Yuval SET_FIELD(p_ramrod->hdr.flags, 542dc4528e9SMintz, Yuval ISCSI_SLOW_PATH_HDR_LAYER_CODE, p_conn->layer_code); 543dc4528e9SMintz, Yuval 544dc4528e9SMintz, Yuval p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id); 545dc4528e9SMintz, Yuval p_ramrod->fw_cid = cpu_to_le32(p_conn->icid); 546dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[1]; 547dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_hi))[0] = ucval; 548dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[0]; 549dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_hi))[1] = ucval; 550dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[3]; 551dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_mid))[0] = ucval; 552dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[2]; 553dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_mid))[1] = ucval; 554dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[5]; 555dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_lo))[0] = ucval; 556dc4528e9SMintz, Yuval ucval = p_conn->remote_mac[4]; 557dc4528e9SMintz, Yuval ((u8 *)(&p_ramrod->remote_mac_addr_lo))[1] = ucval; 558dc4528e9SMintz, Yuval 559dc4528e9SMintz, Yuval return qed_spq_post(p_hwfn, p_ent, NULL); 560dc4528e9SMintz, Yuval } 561dc4528e9SMintz, Yuval 562fc831825SYuval Mintz static int qed_sp_iscsi_conn_terminate(struct qed_hwfn *p_hwfn, 563fc831825SYuval Mintz struct qed_iscsi_conn *p_conn, 564fc831825SYuval Mintz enum spq_mode comp_mode, 565fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 566fc831825SYuval Mintz { 567fc831825SYuval Mintz struct iscsi_spe_conn_termination *p_ramrod = NULL; 568fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 569fc831825SYuval Mintz struct qed_sp_init_data init_data; 570fc831825SYuval Mintz int rc = -EINVAL; 571fc831825SYuval Mintz 572fc831825SYuval Mintz /* Get SPQ entry */ 573fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 574fc831825SYuval Mintz init_data.cid = p_conn->icid; 575fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 576fc831825SYuval Mintz init_data.comp_mode = comp_mode; 577fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 578fc831825SYuval Mintz 579fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 580fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_TERMINATION_CONN, 581fc831825SYuval Mintz PROTOCOLID_ISCSI, &init_data); 582fc831825SYuval Mintz if (rc) 583fc831825SYuval Mintz return rc; 584fc831825SYuval Mintz 585fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_conn_terminate; 586fc831825SYuval Mintz p_ramrod->hdr.op_code = ISCSI_RAMROD_CMD_ID_TERMINATION_CONN; 587fc831825SYuval Mintz SET_FIELD(p_ramrod->hdr.flags, 588fc831825SYuval Mintz ISCSI_SLOW_PATH_HDR_LAYER_CODE, p_conn->layer_code); 589fc831825SYuval Mintz 590fc831825SYuval Mintz p_ramrod->conn_id = cpu_to_le16(p_conn->conn_id); 591fc831825SYuval Mintz p_ramrod->fw_cid = cpu_to_le32(p_conn->icid); 592fc831825SYuval Mintz p_ramrod->abortive = p_conn->abortive_dsconnect; 593fc831825SYuval Mintz 594fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->query_params_addr, 595fc831825SYuval Mintz p_conn->tcp_upload_params_phys_addr); 596fc831825SYuval Mintz DMA_REGPAIR_LE(p_ramrod->queue_cnts_addr, p_conn->queue_cnts_phys_addr); 597fc831825SYuval Mintz 598fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 599fc831825SYuval Mintz } 600fc831825SYuval Mintz 601fc831825SYuval Mintz static int qed_sp_iscsi_conn_clear_sq(struct qed_hwfn *p_hwfn, 602fc831825SYuval Mintz struct qed_iscsi_conn *p_conn, 603fc831825SYuval Mintz enum spq_mode comp_mode, 604fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 605fc831825SYuval Mintz { 606fc831825SYuval Mintz struct iscsi_slow_path_hdr *p_ramrod = NULL; 607fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 608fc831825SYuval Mintz struct qed_sp_init_data init_data; 609fc831825SYuval Mintz int rc = -EINVAL; 610fc831825SYuval Mintz 611fc831825SYuval Mintz /* Get SPQ entry */ 612fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 613fc831825SYuval Mintz init_data.cid = p_conn->icid; 614fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 615fc831825SYuval Mintz init_data.comp_mode = comp_mode; 616fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 617fc831825SYuval Mintz 618fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 619fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_CLEAR_SQ, 620fc831825SYuval Mintz PROTOCOLID_ISCSI, &init_data); 621fc831825SYuval Mintz if (rc) 622fc831825SYuval Mintz return rc; 623fc831825SYuval Mintz 624fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_empty; 625fc831825SYuval Mintz p_ramrod->op_code = ISCSI_RAMROD_CMD_ID_CLEAR_SQ; 626fc831825SYuval Mintz SET_FIELD(p_ramrod->flags, 627fc831825SYuval Mintz ISCSI_SLOW_PATH_HDR_LAYER_CODE, p_conn->layer_code); 628fc831825SYuval Mintz 629fc831825SYuval Mintz return qed_spq_post(p_hwfn, p_ent, NULL); 630fc831825SYuval Mintz } 631fc831825SYuval Mintz 632fc831825SYuval Mintz static int qed_sp_iscsi_func_stop(struct qed_hwfn *p_hwfn, 633fc831825SYuval Mintz enum spq_mode comp_mode, 634fc831825SYuval Mintz struct qed_spq_comp_cb *p_comp_addr) 635fc831825SYuval Mintz { 636fc831825SYuval Mintz struct iscsi_spe_func_dstry *p_ramrod = NULL; 637fc831825SYuval Mintz struct qed_spq_entry *p_ent = NULL; 638fc831825SYuval Mintz struct qed_sp_init_data init_data; 639fc831825SYuval Mintz int rc = 0; 640fc831825SYuval Mintz 641fc831825SYuval Mintz /* Get SPQ entry */ 642fc831825SYuval Mintz memset(&init_data, 0, sizeof(init_data)); 643fc831825SYuval Mintz init_data.cid = qed_spq_get_cid(p_hwfn); 644fc831825SYuval Mintz init_data.opaque_fid = p_hwfn->hw_info.opaque_fid; 645fc831825SYuval Mintz init_data.comp_mode = comp_mode; 646fc831825SYuval Mintz init_data.p_comp_data = p_comp_addr; 647fc831825SYuval Mintz 648fc831825SYuval Mintz rc = qed_sp_init_request(p_hwfn, &p_ent, 649fc831825SYuval Mintz ISCSI_RAMROD_CMD_ID_DESTROY_FUNC, 650fc831825SYuval Mintz PROTOCOLID_ISCSI, &init_data); 651fc831825SYuval Mintz if (rc) 652fc831825SYuval Mintz return rc; 653fc831825SYuval Mintz 654fc831825SYuval Mintz p_ramrod = &p_ent->ramrod.iscsi_destroy; 655fc831825SYuval Mintz p_ramrod->hdr.op_code = ISCSI_RAMROD_CMD_ID_DESTROY_FUNC; 656fc831825SYuval Mintz 6576c9e80eaSMichal Kalderon rc = qed_spq_post(p_hwfn, p_ent, NULL); 6586c9e80eaSMichal Kalderon 6596c9e80eaSMichal Kalderon qed_spq_unregister_async_cb(p_hwfn, PROTOCOLID_ISCSI); 6606c9e80eaSMichal Kalderon return rc; 661fc831825SYuval Mintz } 662fc831825SYuval Mintz 663fc831825SYuval Mintz static void __iomem *qed_iscsi_get_db_addr(struct qed_hwfn *p_hwfn, u32 cid) 664fc831825SYuval Mintz { 665fc831825SYuval Mintz return (u8 __iomem *)p_hwfn->doorbells + 666fc831825SYuval Mintz qed_db_addr(cid, DQ_DEMS_LEGACY); 667fc831825SYuval Mintz } 668fc831825SYuval Mintz 669fc831825SYuval Mintz static void __iomem *qed_iscsi_get_primary_bdq_prod(struct qed_hwfn *p_hwfn, 670fc831825SYuval Mintz u8 bdq_id) 671fc831825SYuval Mintz { 672d0d40a73SMintz, Yuval if (RESC_NUM(p_hwfn, QED_BDQ)) { 673d0d40a73SMintz, Yuval return (u8 __iomem *)p_hwfn->regview + 674d0d40a73SMintz, Yuval GTT_BAR0_MAP_REG_MSDM_RAM + 675d0d40a73SMintz, Yuval MSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn, 676d0d40a73SMintz, Yuval QED_BDQ), 677fc831825SYuval Mintz bdq_id); 678d0d40a73SMintz, Yuval } else { 679d0d40a73SMintz, Yuval DP_NOTICE(p_hwfn, "BDQ is not allocated!\n"); 680d0d40a73SMintz, Yuval return NULL; 681d0d40a73SMintz, Yuval } 682fc831825SYuval Mintz } 683fc831825SYuval Mintz 684fc831825SYuval Mintz static void __iomem *qed_iscsi_get_secondary_bdq_prod(struct qed_hwfn *p_hwfn, 685fc831825SYuval Mintz u8 bdq_id) 686fc831825SYuval Mintz { 687d0d40a73SMintz, Yuval if (RESC_NUM(p_hwfn, QED_BDQ)) { 688d0d40a73SMintz, Yuval return (u8 __iomem *)p_hwfn->regview + 689d0d40a73SMintz, Yuval GTT_BAR0_MAP_REG_TSDM_RAM + 690d0d40a73SMintz, Yuval TSTORM_SCSI_BDQ_EXT_PROD_OFFSET(RESC_START(p_hwfn, 691d0d40a73SMintz, Yuval QED_BDQ), 692fc831825SYuval Mintz bdq_id); 693d0d40a73SMintz, Yuval } else { 694d0d40a73SMintz, Yuval DP_NOTICE(p_hwfn, "BDQ is not allocated!\n"); 695d0d40a73SMintz, Yuval return NULL; 696d0d40a73SMintz, Yuval } 697fc831825SYuval Mintz } 698fc831825SYuval Mintz 699da090917STomer Tayar static int qed_iscsi_setup_connection(struct qed_iscsi_conn *p_conn) 700fc831825SYuval Mintz { 701fc831825SYuval Mintz if (!p_conn->queue_cnts_virt_addr) 702fc831825SYuval Mintz goto nomem; 703fc831825SYuval Mintz memset(p_conn->queue_cnts_virt_addr, 0, 704fc831825SYuval Mintz sizeof(*p_conn->queue_cnts_virt_addr)); 705fc831825SYuval Mintz 706fc831825SYuval Mintz if (!p_conn->tcp_upload_params_virt_addr) 707fc831825SYuval Mintz goto nomem; 708fc831825SYuval Mintz memset(p_conn->tcp_upload_params_virt_addr, 0, 709fc831825SYuval Mintz sizeof(*p_conn->tcp_upload_params_virt_addr)); 710fc831825SYuval Mintz 711fc831825SYuval Mintz if (!p_conn->r2tq.p_virt_addr) 712fc831825SYuval Mintz goto nomem; 713fc831825SYuval Mintz qed_chain_pbl_zero_mem(&p_conn->r2tq); 714fc831825SYuval Mintz 715fc831825SYuval Mintz if (!p_conn->uhq.p_virt_addr) 716fc831825SYuval Mintz goto nomem; 717fc831825SYuval Mintz qed_chain_pbl_zero_mem(&p_conn->uhq); 718fc831825SYuval Mintz 719fc831825SYuval Mintz if (!p_conn->xhq.p_virt_addr) 720fc831825SYuval Mintz goto nomem; 721fc831825SYuval Mintz qed_chain_pbl_zero_mem(&p_conn->xhq); 722fc831825SYuval Mintz 723fc831825SYuval Mintz return 0; 724fc831825SYuval Mintz nomem: 725fc831825SYuval Mintz return -ENOMEM; 726fc831825SYuval Mintz } 727fc831825SYuval Mintz 728fc831825SYuval Mintz static int qed_iscsi_allocate_connection(struct qed_hwfn *p_hwfn, 729fc831825SYuval Mintz struct qed_iscsi_conn **p_out_conn) 730fc831825SYuval Mintz { 731fc831825SYuval Mintz u16 uhq_num_elements = 0, xhq_num_elements = 0, r2tq_num_elements = 0; 732fc831825SYuval Mintz struct scsi_terminate_extra_params *p_q_cnts = NULL; 733fc831825SYuval Mintz struct qed_iscsi_pf_params *p_params = NULL; 734fc831825SYuval Mintz struct tcp_upload_params *p_tcp = NULL; 735fc831825SYuval Mintz struct qed_iscsi_conn *p_conn = NULL; 736fc831825SYuval Mintz int rc = 0; 737fc831825SYuval Mintz 738fc831825SYuval Mintz /* Try finding a free connection that can be used */ 739fc831825SYuval Mintz spin_lock_bh(&p_hwfn->p_iscsi_info->lock); 740fc831825SYuval Mintz if (!list_empty(&p_hwfn->p_iscsi_info->free_list)) 741fc831825SYuval Mintz p_conn = list_first_entry(&p_hwfn->p_iscsi_info->free_list, 742fc831825SYuval Mintz struct qed_iscsi_conn, list_entry); 743fc831825SYuval Mintz if (p_conn) { 744fc831825SYuval Mintz list_del(&p_conn->list_entry); 745fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 746fc831825SYuval Mintz *p_out_conn = p_conn; 747fc831825SYuval Mintz return 0; 748fc831825SYuval Mintz } 749fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 750fc831825SYuval Mintz 751fc831825SYuval Mintz /* Need to allocate a new connection */ 752fc831825SYuval Mintz p_params = &p_hwfn->pf_params.iscsi_pf_params; 753fc831825SYuval Mintz 754fc831825SYuval Mintz p_conn = kzalloc(sizeof(*p_conn), GFP_KERNEL); 755fc831825SYuval Mintz if (!p_conn) 756fc831825SYuval Mintz return -ENOMEM; 757fc831825SYuval Mintz 758fc831825SYuval Mintz p_q_cnts = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 759fc831825SYuval Mintz sizeof(*p_q_cnts), 760fc831825SYuval Mintz &p_conn->queue_cnts_phys_addr, 761fc831825SYuval Mintz GFP_KERNEL); 762fc831825SYuval Mintz if (!p_q_cnts) 763fc831825SYuval Mintz goto nomem_queue_cnts_param; 764fc831825SYuval Mintz p_conn->queue_cnts_virt_addr = p_q_cnts; 765fc831825SYuval Mintz 766fc831825SYuval Mintz p_tcp = dma_alloc_coherent(&p_hwfn->cdev->pdev->dev, 767fc831825SYuval Mintz sizeof(*p_tcp), 768fc831825SYuval Mintz &p_conn->tcp_upload_params_phys_addr, 769fc831825SYuval Mintz GFP_KERNEL); 770fc831825SYuval Mintz if (!p_tcp) 771fc831825SYuval Mintz goto nomem_upload_param; 772fc831825SYuval Mintz p_conn->tcp_upload_params_virt_addr = p_tcp; 773fc831825SYuval Mintz 774fc831825SYuval Mintz r2tq_num_elements = p_params->num_r2tq_pages_in_ring * 775fc831825SYuval Mintz QED_CHAIN_PAGE_SIZE / 0x80; 776fc831825SYuval Mintz rc = qed_chain_alloc(p_hwfn->cdev, 777fc831825SYuval Mintz QED_CHAIN_USE_TO_CONSUME_PRODUCE, 778fc831825SYuval Mintz QED_CHAIN_MODE_PBL, 779fc831825SYuval Mintz QED_CHAIN_CNT_TYPE_U16, 7801a4a6975SMintz, Yuval r2tq_num_elements, 0x80, &p_conn->r2tq, NULL); 781fc831825SYuval Mintz if (rc) 782fc831825SYuval Mintz goto nomem_r2tq; 783fc831825SYuval Mintz 784fc831825SYuval Mintz uhq_num_elements = p_params->num_uhq_pages_in_ring * 785fc831825SYuval Mintz QED_CHAIN_PAGE_SIZE / sizeof(struct iscsi_uhqe); 786fc831825SYuval Mintz rc = qed_chain_alloc(p_hwfn->cdev, 787fc831825SYuval Mintz QED_CHAIN_USE_TO_CONSUME_PRODUCE, 788fc831825SYuval Mintz QED_CHAIN_MODE_PBL, 789fc831825SYuval Mintz QED_CHAIN_CNT_TYPE_U16, 790fc831825SYuval Mintz uhq_num_elements, 7911a4a6975SMintz, Yuval sizeof(struct iscsi_uhqe), &p_conn->uhq, NULL); 792fc831825SYuval Mintz if (rc) 793fc831825SYuval Mintz goto nomem_uhq; 794fc831825SYuval Mintz 795fc831825SYuval Mintz xhq_num_elements = uhq_num_elements; 796fc831825SYuval Mintz rc = qed_chain_alloc(p_hwfn->cdev, 797fc831825SYuval Mintz QED_CHAIN_USE_TO_CONSUME_PRODUCE, 798fc831825SYuval Mintz QED_CHAIN_MODE_PBL, 799fc831825SYuval Mintz QED_CHAIN_CNT_TYPE_U16, 800fc831825SYuval Mintz xhq_num_elements, 8011a4a6975SMintz, Yuval sizeof(struct iscsi_xhqe), &p_conn->xhq, NULL); 802fc831825SYuval Mintz if (rc) 803fc831825SYuval Mintz goto nomem; 804fc831825SYuval Mintz 805fc831825SYuval Mintz p_conn->free_on_delete = true; 806fc831825SYuval Mintz *p_out_conn = p_conn; 807fc831825SYuval Mintz return 0; 808fc831825SYuval Mintz 809fc831825SYuval Mintz nomem: 810fc831825SYuval Mintz qed_chain_free(p_hwfn->cdev, &p_conn->uhq); 811fc831825SYuval Mintz nomem_uhq: 812fc831825SYuval Mintz qed_chain_free(p_hwfn->cdev, &p_conn->r2tq); 813fc831825SYuval Mintz nomem_r2tq: 814fc831825SYuval Mintz dma_free_coherent(&p_hwfn->cdev->pdev->dev, 815fc831825SYuval Mintz sizeof(struct tcp_upload_params), 816fc831825SYuval Mintz p_conn->tcp_upload_params_virt_addr, 817fc831825SYuval Mintz p_conn->tcp_upload_params_phys_addr); 818fc831825SYuval Mintz nomem_upload_param: 819fc831825SYuval Mintz dma_free_coherent(&p_hwfn->cdev->pdev->dev, 820fc831825SYuval Mintz sizeof(struct scsi_terminate_extra_params), 821fc831825SYuval Mintz p_conn->queue_cnts_virt_addr, 822fc831825SYuval Mintz p_conn->queue_cnts_phys_addr); 823fc831825SYuval Mintz nomem_queue_cnts_param: 824fc831825SYuval Mintz kfree(p_conn); 825fc831825SYuval Mintz 826fc831825SYuval Mintz return -ENOMEM; 827fc831825SYuval Mintz } 828fc831825SYuval Mintz 829fc831825SYuval Mintz static int qed_iscsi_acquire_connection(struct qed_hwfn *p_hwfn, 830fc831825SYuval Mintz struct qed_iscsi_conn *p_in_conn, 831fc831825SYuval Mintz struct qed_iscsi_conn **p_out_conn) 832fc831825SYuval Mintz { 833fc831825SYuval Mintz struct qed_iscsi_conn *p_conn = NULL; 834fc831825SYuval Mintz int rc = 0; 835fc831825SYuval Mintz u32 icid; 836fc831825SYuval Mintz 837fc831825SYuval Mintz spin_lock_bh(&p_hwfn->p_iscsi_info->lock); 838fc831825SYuval Mintz rc = qed_cxt_acquire_cid(p_hwfn, PROTOCOLID_ISCSI, &icid); 839fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 840fc831825SYuval Mintz if (rc) 841fc831825SYuval Mintz return rc; 842fc831825SYuval Mintz 843fc831825SYuval Mintz /* Use input connection or allocate a new one */ 844fc831825SYuval Mintz if (p_in_conn) 845fc831825SYuval Mintz p_conn = p_in_conn; 846fc831825SYuval Mintz else 847fc831825SYuval Mintz rc = qed_iscsi_allocate_connection(p_hwfn, &p_conn); 848fc831825SYuval Mintz 849fc831825SYuval Mintz if (!rc) 850da090917STomer Tayar rc = qed_iscsi_setup_connection(p_conn); 851fc831825SYuval Mintz 852fc831825SYuval Mintz if (rc) { 853fc831825SYuval Mintz spin_lock_bh(&p_hwfn->p_iscsi_info->lock); 854fc831825SYuval Mintz qed_cxt_release_cid(p_hwfn, icid); 855fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 856fc831825SYuval Mintz return rc; 857fc831825SYuval Mintz } 858fc831825SYuval Mintz 859fc831825SYuval Mintz p_conn->icid = icid; 860fc831825SYuval Mintz p_conn->conn_id = (u16)icid; 861fc831825SYuval Mintz p_conn->fw_cid = (p_hwfn->hw_info.opaque_fid << 16) | icid; 862fc831825SYuval Mintz 863fc831825SYuval Mintz *p_out_conn = p_conn; 864fc831825SYuval Mintz 865fc831825SYuval Mintz return rc; 866fc831825SYuval Mintz } 867fc831825SYuval Mintz 868fc831825SYuval Mintz static void qed_iscsi_release_connection(struct qed_hwfn *p_hwfn, 869fc831825SYuval Mintz struct qed_iscsi_conn *p_conn) 870fc831825SYuval Mintz { 871fc831825SYuval Mintz spin_lock_bh(&p_hwfn->p_iscsi_info->lock); 872fc831825SYuval Mintz list_add_tail(&p_conn->list_entry, &p_hwfn->p_iscsi_info->free_list); 873fc831825SYuval Mintz qed_cxt_release_cid(p_hwfn, p_conn->icid); 874fc831825SYuval Mintz spin_unlock_bh(&p_hwfn->p_iscsi_info->lock); 875fc831825SYuval Mintz } 876fc831825SYuval Mintz 877bf774d14SYueHaibing static void qed_iscsi_free_connection(struct qed_hwfn *p_hwfn, 8784621ceb2SMintz, Yuval struct qed_iscsi_conn *p_conn) 8794621ceb2SMintz, Yuval { 8804621ceb2SMintz, Yuval qed_chain_free(p_hwfn->cdev, &p_conn->xhq); 8814621ceb2SMintz, Yuval qed_chain_free(p_hwfn->cdev, &p_conn->uhq); 8824621ceb2SMintz, Yuval qed_chain_free(p_hwfn->cdev, &p_conn->r2tq); 8834621ceb2SMintz, Yuval dma_free_coherent(&p_hwfn->cdev->pdev->dev, 8844621ceb2SMintz, Yuval sizeof(struct tcp_upload_params), 8854621ceb2SMintz, Yuval p_conn->tcp_upload_params_virt_addr, 8864621ceb2SMintz, Yuval p_conn->tcp_upload_params_phys_addr); 8874621ceb2SMintz, Yuval dma_free_coherent(&p_hwfn->cdev->pdev->dev, 8884621ceb2SMintz, Yuval sizeof(struct scsi_terminate_extra_params), 8894621ceb2SMintz, Yuval p_conn->queue_cnts_virt_addr, 8904621ceb2SMintz, Yuval p_conn->queue_cnts_phys_addr); 8914621ceb2SMintz, Yuval kfree(p_conn); 8924621ceb2SMintz, Yuval } 8934621ceb2SMintz, Yuval 8943587cb87STomer Tayar int qed_iscsi_alloc(struct qed_hwfn *p_hwfn) 895fc831825SYuval Mintz { 896fc831825SYuval Mintz struct qed_iscsi_info *p_iscsi_info; 897fc831825SYuval Mintz 898fc831825SYuval Mintz p_iscsi_info = kzalloc(sizeof(*p_iscsi_info), GFP_KERNEL); 899fc831825SYuval Mintz if (!p_iscsi_info) 9003587cb87STomer Tayar return -ENOMEM; 901fc831825SYuval Mintz 902fc831825SYuval Mintz INIT_LIST_HEAD(&p_iscsi_info->free_list); 9033587cb87STomer Tayar 9043587cb87STomer Tayar p_hwfn->p_iscsi_info = p_iscsi_info; 9053587cb87STomer Tayar return 0; 906fc831825SYuval Mintz } 907fc831825SYuval Mintz 9083587cb87STomer Tayar void qed_iscsi_setup(struct qed_hwfn *p_hwfn) 909fc831825SYuval Mintz { 9103587cb87STomer Tayar spin_lock_init(&p_hwfn->p_iscsi_info->lock); 911fc831825SYuval Mintz } 912fc831825SYuval Mintz 9133587cb87STomer Tayar void qed_iscsi_free(struct qed_hwfn *p_hwfn) 914fc831825SYuval Mintz { 9154621ceb2SMintz, Yuval struct qed_iscsi_conn *p_conn = NULL; 9164621ceb2SMintz, Yuval 9173587cb87STomer Tayar if (!p_hwfn->p_iscsi_info) 9183587cb87STomer Tayar return; 9193587cb87STomer Tayar 9204621ceb2SMintz, Yuval while (!list_empty(&p_hwfn->p_iscsi_info->free_list)) { 9214621ceb2SMintz, Yuval p_conn = list_first_entry(&p_hwfn->p_iscsi_info->free_list, 9224621ceb2SMintz, Yuval struct qed_iscsi_conn, list_entry); 9234621ceb2SMintz, Yuval if (p_conn) { 9244621ceb2SMintz, Yuval list_del(&p_conn->list_entry); 9254621ceb2SMintz, Yuval qed_iscsi_free_connection(p_hwfn, p_conn); 9264621ceb2SMintz, Yuval } 9274621ceb2SMintz, Yuval } 9284621ceb2SMintz, Yuval 9293587cb87STomer Tayar kfree(p_hwfn->p_iscsi_info); 9303587cb87STomer Tayar p_hwfn->p_iscsi_info = NULL; 931fc831825SYuval Mintz } 932fc831825SYuval Mintz 933fc831825SYuval Mintz static void _qed_iscsi_get_tstats(struct qed_hwfn *p_hwfn, 934fc831825SYuval Mintz struct qed_ptt *p_ptt, 935fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 936fc831825SYuval Mintz { 937fc831825SYuval Mintz struct tstorm_iscsi_stats_drv tstats; 938fc831825SYuval Mintz u32 tstats_addr; 939fc831825SYuval Mintz 940fc831825SYuval Mintz memset(&tstats, 0, sizeof(tstats)); 941fc831825SYuval Mintz tstats_addr = BAR0_MAP_REG_TSDM_RAM + 942fc831825SYuval Mintz TSTORM_ISCSI_RX_STATS_OFFSET(p_hwfn->rel_pf_id); 943fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &tstats, tstats_addr, sizeof(tstats)); 944fc831825SYuval Mintz 945fc831825SYuval Mintz p_stats->iscsi_rx_bytes_cnt = 946fc831825SYuval Mintz HILO_64_REGPAIR(tstats.iscsi_rx_bytes_cnt); 947fc831825SYuval Mintz p_stats->iscsi_rx_packet_cnt = 948fc831825SYuval Mintz HILO_64_REGPAIR(tstats.iscsi_rx_packet_cnt); 9493ddc48dcSMintz, Yuval p_stats->iscsi_rx_new_ooo_isle_events_cnt = 9503ddc48dcSMintz, Yuval HILO_64_REGPAIR(tstats.iscsi_rx_new_ooo_isle_events_cnt); 951fc831825SYuval Mintz p_stats->iscsi_cmdq_threshold_cnt = 952fc831825SYuval Mintz le32_to_cpu(tstats.iscsi_cmdq_threshold_cnt); 953fc831825SYuval Mintz p_stats->iscsi_rq_threshold_cnt = 954fc831825SYuval Mintz le32_to_cpu(tstats.iscsi_rq_threshold_cnt); 955fc831825SYuval Mintz p_stats->iscsi_immq_threshold_cnt = 956fc831825SYuval Mintz le32_to_cpu(tstats.iscsi_immq_threshold_cnt); 957fc831825SYuval Mintz } 958fc831825SYuval Mintz 959fc831825SYuval Mintz static void _qed_iscsi_get_mstats(struct qed_hwfn *p_hwfn, 960fc831825SYuval Mintz struct qed_ptt *p_ptt, 961fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 962fc831825SYuval Mintz { 963fc831825SYuval Mintz struct mstorm_iscsi_stats_drv mstats; 964fc831825SYuval Mintz u32 mstats_addr; 965fc831825SYuval Mintz 966fc831825SYuval Mintz memset(&mstats, 0, sizeof(mstats)); 967fc831825SYuval Mintz mstats_addr = BAR0_MAP_REG_MSDM_RAM + 968fc831825SYuval Mintz MSTORM_ISCSI_RX_STATS_OFFSET(p_hwfn->rel_pf_id); 969fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &mstats, mstats_addr, sizeof(mstats)); 970fc831825SYuval Mintz 971fc831825SYuval Mintz p_stats->iscsi_rx_dropped_pdus_task_not_valid = 972fc831825SYuval Mintz HILO_64_REGPAIR(mstats.iscsi_rx_dropped_pdus_task_not_valid); 973fc831825SYuval Mintz } 974fc831825SYuval Mintz 975fc831825SYuval Mintz static void _qed_iscsi_get_ustats(struct qed_hwfn *p_hwfn, 976fc831825SYuval Mintz struct qed_ptt *p_ptt, 977fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 978fc831825SYuval Mintz { 979fc831825SYuval Mintz struct ustorm_iscsi_stats_drv ustats; 980fc831825SYuval Mintz u32 ustats_addr; 981fc831825SYuval Mintz 982fc831825SYuval Mintz memset(&ustats, 0, sizeof(ustats)); 983fc831825SYuval Mintz ustats_addr = BAR0_MAP_REG_USDM_RAM + 984fc831825SYuval Mintz USTORM_ISCSI_RX_STATS_OFFSET(p_hwfn->rel_pf_id); 985fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &ustats, ustats_addr, sizeof(ustats)); 986fc831825SYuval Mintz 987fc831825SYuval Mintz p_stats->iscsi_rx_data_pdu_cnt = 988fc831825SYuval Mintz HILO_64_REGPAIR(ustats.iscsi_rx_data_pdu_cnt); 989fc831825SYuval Mintz p_stats->iscsi_rx_r2t_pdu_cnt = 990fc831825SYuval Mintz HILO_64_REGPAIR(ustats.iscsi_rx_r2t_pdu_cnt); 991fc831825SYuval Mintz p_stats->iscsi_rx_total_pdu_cnt = 992fc831825SYuval Mintz HILO_64_REGPAIR(ustats.iscsi_rx_total_pdu_cnt); 993fc831825SYuval Mintz } 994fc831825SYuval Mintz 995fc831825SYuval Mintz static void _qed_iscsi_get_xstats(struct qed_hwfn *p_hwfn, 996fc831825SYuval Mintz struct qed_ptt *p_ptt, 997fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 998fc831825SYuval Mintz { 999fc831825SYuval Mintz struct xstorm_iscsi_stats_drv xstats; 1000fc831825SYuval Mintz u32 xstats_addr; 1001fc831825SYuval Mintz 1002fc831825SYuval Mintz memset(&xstats, 0, sizeof(xstats)); 1003fc831825SYuval Mintz xstats_addr = BAR0_MAP_REG_XSDM_RAM + 1004fc831825SYuval Mintz XSTORM_ISCSI_TX_STATS_OFFSET(p_hwfn->rel_pf_id); 1005fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &xstats, xstats_addr, sizeof(xstats)); 1006fc831825SYuval Mintz 1007fc831825SYuval Mintz p_stats->iscsi_tx_go_to_slow_start_event_cnt = 1008fc831825SYuval Mintz HILO_64_REGPAIR(xstats.iscsi_tx_go_to_slow_start_event_cnt); 1009fc831825SYuval Mintz p_stats->iscsi_tx_fast_retransmit_event_cnt = 1010fc831825SYuval Mintz HILO_64_REGPAIR(xstats.iscsi_tx_fast_retransmit_event_cnt); 1011fc831825SYuval Mintz } 1012fc831825SYuval Mintz 1013fc831825SYuval Mintz static void _qed_iscsi_get_ystats(struct qed_hwfn *p_hwfn, 1014fc831825SYuval Mintz struct qed_ptt *p_ptt, 1015fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 1016fc831825SYuval Mintz { 1017fc831825SYuval Mintz struct ystorm_iscsi_stats_drv ystats; 1018fc831825SYuval Mintz u32 ystats_addr; 1019fc831825SYuval Mintz 1020fc831825SYuval Mintz memset(&ystats, 0, sizeof(ystats)); 1021fc831825SYuval Mintz ystats_addr = BAR0_MAP_REG_YSDM_RAM + 1022fc831825SYuval Mintz YSTORM_ISCSI_TX_STATS_OFFSET(p_hwfn->rel_pf_id); 1023fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &ystats, ystats_addr, sizeof(ystats)); 1024fc831825SYuval Mintz 1025fc831825SYuval Mintz p_stats->iscsi_tx_data_pdu_cnt = 1026fc831825SYuval Mintz HILO_64_REGPAIR(ystats.iscsi_tx_data_pdu_cnt); 1027fc831825SYuval Mintz p_stats->iscsi_tx_r2t_pdu_cnt = 1028fc831825SYuval Mintz HILO_64_REGPAIR(ystats.iscsi_tx_r2t_pdu_cnt); 1029fc831825SYuval Mintz p_stats->iscsi_tx_total_pdu_cnt = 1030fc831825SYuval Mintz HILO_64_REGPAIR(ystats.iscsi_tx_total_pdu_cnt); 1031fc831825SYuval Mintz } 1032fc831825SYuval Mintz 1033fc831825SYuval Mintz static void _qed_iscsi_get_pstats(struct qed_hwfn *p_hwfn, 1034fc831825SYuval Mintz struct qed_ptt *p_ptt, 1035fc831825SYuval Mintz struct qed_iscsi_stats *p_stats) 1036fc831825SYuval Mintz { 1037fc831825SYuval Mintz struct pstorm_iscsi_stats_drv pstats; 1038fc831825SYuval Mintz u32 pstats_addr; 1039fc831825SYuval Mintz 1040fc831825SYuval Mintz memset(&pstats, 0, sizeof(pstats)); 1041fc831825SYuval Mintz pstats_addr = BAR0_MAP_REG_PSDM_RAM + 1042fc831825SYuval Mintz PSTORM_ISCSI_TX_STATS_OFFSET(p_hwfn->rel_pf_id); 1043fc831825SYuval Mintz qed_memcpy_from(p_hwfn, p_ptt, &pstats, pstats_addr, sizeof(pstats)); 1044fc831825SYuval Mintz 1045fc831825SYuval Mintz p_stats->iscsi_tx_bytes_cnt = 1046fc831825SYuval Mintz HILO_64_REGPAIR(pstats.iscsi_tx_bytes_cnt); 1047fc831825SYuval Mintz p_stats->iscsi_tx_packet_cnt = 1048fc831825SYuval Mintz HILO_64_REGPAIR(pstats.iscsi_tx_packet_cnt); 1049fc831825SYuval Mintz } 1050fc831825SYuval Mintz 1051fc831825SYuval Mintz static int qed_iscsi_get_stats(struct qed_hwfn *p_hwfn, 1052fc831825SYuval Mintz struct qed_iscsi_stats *stats) 1053fc831825SYuval Mintz { 1054fc831825SYuval Mintz struct qed_ptt *p_ptt; 1055fc831825SYuval Mintz 1056fc831825SYuval Mintz memset(stats, 0, sizeof(*stats)); 1057fc831825SYuval Mintz 1058fc831825SYuval Mintz p_ptt = qed_ptt_acquire(p_hwfn); 1059fc831825SYuval Mintz if (!p_ptt) { 1060fc831825SYuval Mintz DP_ERR(p_hwfn, "Failed to acquire ptt\n"); 1061fc831825SYuval Mintz return -EAGAIN; 1062fc831825SYuval Mintz } 1063fc831825SYuval Mintz 1064fc831825SYuval Mintz _qed_iscsi_get_tstats(p_hwfn, p_ptt, stats); 1065fc831825SYuval Mintz _qed_iscsi_get_mstats(p_hwfn, p_ptt, stats); 1066fc831825SYuval Mintz _qed_iscsi_get_ustats(p_hwfn, p_ptt, stats); 1067fc831825SYuval Mintz 1068fc831825SYuval Mintz _qed_iscsi_get_xstats(p_hwfn, p_ptt, stats); 1069fc831825SYuval Mintz _qed_iscsi_get_ystats(p_hwfn, p_ptt, stats); 1070fc831825SYuval Mintz _qed_iscsi_get_pstats(p_hwfn, p_ptt, stats); 1071fc831825SYuval Mintz 1072fc831825SYuval Mintz qed_ptt_release(p_hwfn, p_ptt); 1073fc831825SYuval Mintz 1074fc831825SYuval Mintz return 0; 1075fc831825SYuval Mintz } 1076fc831825SYuval Mintz 1077fc831825SYuval Mintz struct qed_hash_iscsi_con { 1078fc831825SYuval Mintz struct hlist_node node; 1079fc831825SYuval Mintz struct qed_iscsi_conn *con; 1080fc831825SYuval Mintz }; 1081fc831825SYuval Mintz 1082fc831825SYuval Mintz static int qed_fill_iscsi_dev_info(struct qed_dev *cdev, 1083fc831825SYuval Mintz struct qed_dev_iscsi_info *info) 1084fc831825SYuval Mintz { 10857e50769cSMichal Kalderon struct qed_hwfn *hwfn = QED_AFFIN_HWFN(cdev); 1086fc831825SYuval Mintz 1087fc831825SYuval Mintz int rc; 1088fc831825SYuval Mintz 1089fc831825SYuval Mintz memset(info, 0, sizeof(*info)); 1090fc831825SYuval Mintz rc = qed_fill_dev_info(cdev, &info->common); 1091fc831825SYuval Mintz 1092fc831825SYuval Mintz info->primary_dbq_rq_addr = 1093fc831825SYuval Mintz qed_iscsi_get_primary_bdq_prod(hwfn, BDQ_ID_RQ); 1094fc831825SYuval Mintz info->secondary_bdq_rq_addr = 1095fc831825SYuval Mintz qed_iscsi_get_secondary_bdq_prod(hwfn, BDQ_ID_RQ); 1096fc831825SYuval Mintz 109708737a3fSMintz, Yuval info->num_cqs = FEAT_NUM(hwfn, QED_ISCSI_CQ); 109808737a3fSMintz, Yuval 1099fc831825SYuval Mintz return rc; 1100fc831825SYuval Mintz } 1101fc831825SYuval Mintz 1102fc831825SYuval Mintz static void qed_register_iscsi_ops(struct qed_dev *cdev, 1103fc831825SYuval Mintz struct qed_iscsi_cb_ops *ops, void *cookie) 1104fc831825SYuval Mintz { 1105fc831825SYuval Mintz cdev->protocol_ops.iscsi = ops; 1106fc831825SYuval Mintz cdev->ops_cookie = cookie; 1107fc831825SYuval Mintz } 1108fc831825SYuval Mintz 1109fc831825SYuval Mintz static struct qed_hash_iscsi_con *qed_iscsi_get_hash(struct qed_dev *cdev, 1110fc831825SYuval Mintz u32 handle) 1111fc831825SYuval Mintz { 1112fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con = NULL; 1113fc831825SYuval Mintz 1114fc831825SYuval Mintz if (!(cdev->flags & QED_FLAG_STORAGE_STARTED)) 1115fc831825SYuval Mintz return NULL; 1116fc831825SYuval Mintz 1117fc831825SYuval Mintz hash_for_each_possible(cdev->connections, hash_con, node, handle) { 1118fc831825SYuval Mintz if (hash_con->con->icid == handle) 1119fc831825SYuval Mintz break; 1120fc831825SYuval Mintz } 1121fc831825SYuval Mintz 1122fc831825SYuval Mintz if (!hash_con || (hash_con->con->icid != handle)) 1123fc831825SYuval Mintz return NULL; 1124fc831825SYuval Mintz 1125fc831825SYuval Mintz return hash_con; 1126fc831825SYuval Mintz } 1127fc831825SYuval Mintz 1128fc831825SYuval Mintz static int qed_iscsi_stop(struct qed_dev *cdev) 1129fc831825SYuval Mintz { 1130fc831825SYuval Mintz int rc; 1131fc831825SYuval Mintz 1132fc831825SYuval Mintz if (!(cdev->flags & QED_FLAG_STORAGE_STARTED)) { 1133fc831825SYuval Mintz DP_NOTICE(cdev, "iscsi already stopped\n"); 1134fc831825SYuval Mintz return 0; 1135fc831825SYuval Mintz } 1136fc831825SYuval Mintz 1137fc831825SYuval Mintz if (!hash_empty(cdev->connections)) { 1138fc831825SYuval Mintz DP_NOTICE(cdev, 1139fc831825SYuval Mintz "Can't stop iscsi - not all connections were returned\n"); 1140fc831825SYuval Mintz return -EINVAL; 1141fc831825SYuval Mintz } 1142fc831825SYuval Mintz 1143fc831825SYuval Mintz /* Stop the iscsi */ 11447e50769cSMichal Kalderon rc = qed_sp_iscsi_func_stop(QED_AFFIN_HWFN(cdev), QED_SPQ_MODE_EBLOCK, 11457e50769cSMichal Kalderon NULL); 1146fc831825SYuval Mintz cdev->flags &= ~QED_FLAG_STORAGE_STARTED; 1147fc831825SYuval Mintz 1148fc831825SYuval Mintz return rc; 1149fc831825SYuval Mintz } 1150fc831825SYuval Mintz 1151fc831825SYuval Mintz static int qed_iscsi_start(struct qed_dev *cdev, 1152fc831825SYuval Mintz struct qed_iscsi_tid *tasks, 1153fc831825SYuval Mintz void *event_context, 1154fc831825SYuval Mintz iscsi_event_cb_t async_event_cb) 1155fc831825SYuval Mintz { 1156fc831825SYuval Mintz int rc; 1157fc831825SYuval Mintz struct qed_tid_mem *tid_info; 1158fc831825SYuval Mintz 1159fc831825SYuval Mintz if (cdev->flags & QED_FLAG_STORAGE_STARTED) { 1160fc831825SYuval Mintz DP_NOTICE(cdev, "iscsi already started;\n"); 1161fc831825SYuval Mintz return 0; 1162fc831825SYuval Mintz } 1163fc831825SYuval Mintz 11647e50769cSMichal Kalderon rc = qed_sp_iscsi_func_start(QED_AFFIN_HWFN(cdev), QED_SPQ_MODE_EBLOCK, 11657e50769cSMichal Kalderon NULL, event_context, async_event_cb); 1166fc831825SYuval Mintz if (rc) { 1167fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to start iscsi\n"); 1168fc831825SYuval Mintz return rc; 1169fc831825SYuval Mintz } 1170fc831825SYuval Mintz 1171fc831825SYuval Mintz cdev->flags |= QED_FLAG_STORAGE_STARTED; 1172fc831825SYuval Mintz hash_init(cdev->connections); 1173fc831825SYuval Mintz 1174fc831825SYuval Mintz if (!tasks) 1175fc831825SYuval Mintz return 0; 1176fc831825SYuval Mintz 1177fc831825SYuval Mintz tid_info = kzalloc(sizeof(*tid_info), GFP_KERNEL); 1178fc831825SYuval Mintz 1179fc831825SYuval Mintz if (!tid_info) { 1180fc831825SYuval Mintz qed_iscsi_stop(cdev); 1181fc831825SYuval Mintz return -ENOMEM; 1182fc831825SYuval Mintz } 1183fc831825SYuval Mintz 11847e50769cSMichal Kalderon rc = qed_cxt_get_tid_mem_info(QED_AFFIN_HWFN(cdev), tid_info); 1185fc831825SYuval Mintz if (rc) { 1186fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to gather task information\n"); 1187fc831825SYuval Mintz qed_iscsi_stop(cdev); 1188fc831825SYuval Mintz kfree(tid_info); 1189fc831825SYuval Mintz return rc; 1190fc831825SYuval Mintz } 1191fc831825SYuval Mintz 1192fc831825SYuval Mintz /* Fill task information */ 1193fc831825SYuval Mintz tasks->size = tid_info->tid_size; 1194fc831825SYuval Mintz tasks->num_tids_per_block = tid_info->num_tids_per_block; 1195fc831825SYuval Mintz memcpy(tasks->blocks, tid_info->blocks, 1196fc831825SYuval Mintz MAX_TID_BLOCKS_ISCSI * sizeof(u8 *)); 1197fc831825SYuval Mintz 1198fc831825SYuval Mintz kfree(tid_info); 1199fc831825SYuval Mintz 1200fc831825SYuval Mintz return 0; 1201fc831825SYuval Mintz } 1202fc831825SYuval Mintz 1203fc831825SYuval Mintz static int qed_iscsi_acquire_conn(struct qed_dev *cdev, 1204fc831825SYuval Mintz u32 *handle, 1205fc831825SYuval Mintz u32 *fw_cid, void __iomem **p_doorbell) 1206fc831825SYuval Mintz { 1207fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1208fc831825SYuval Mintz int rc; 1209fc831825SYuval Mintz 1210fc831825SYuval Mintz /* Allocate a hashed connection */ 1211fc831825SYuval Mintz hash_con = kzalloc(sizeof(*hash_con), GFP_ATOMIC); 1212fc831825SYuval Mintz if (!hash_con) 1213fc831825SYuval Mintz return -ENOMEM; 1214fc831825SYuval Mintz 1215fc831825SYuval Mintz /* Acquire the connection */ 12167e50769cSMichal Kalderon rc = qed_iscsi_acquire_connection(QED_AFFIN_HWFN(cdev), NULL, 1217fc831825SYuval Mintz &hash_con->con); 1218fc831825SYuval Mintz if (rc) { 1219fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to acquire Connection\n"); 1220fc831825SYuval Mintz kfree(hash_con); 1221fc831825SYuval Mintz return rc; 1222fc831825SYuval Mintz } 1223fc831825SYuval Mintz 1224fc831825SYuval Mintz /* Added the connection to hash table */ 1225fc831825SYuval Mintz *handle = hash_con->con->icid; 1226fc831825SYuval Mintz *fw_cid = hash_con->con->fw_cid; 1227fc831825SYuval Mintz hash_add(cdev->connections, &hash_con->node, *handle); 1228fc831825SYuval Mintz 1229fc831825SYuval Mintz if (p_doorbell) 12307e50769cSMichal Kalderon *p_doorbell = qed_iscsi_get_db_addr(QED_AFFIN_HWFN(cdev), 1231fc831825SYuval Mintz *handle); 1232fc831825SYuval Mintz 1233fc831825SYuval Mintz return 0; 1234fc831825SYuval Mintz } 1235fc831825SYuval Mintz 1236fc831825SYuval Mintz static int qed_iscsi_release_conn(struct qed_dev *cdev, u32 handle) 1237fc831825SYuval Mintz { 1238fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1239fc831825SYuval Mintz 1240fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1241fc831825SYuval Mintz if (!hash_con) { 1242fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1243fc831825SYuval Mintz handle); 1244fc831825SYuval Mintz return -EINVAL; 1245fc831825SYuval Mintz } 1246fc831825SYuval Mintz 1247fc831825SYuval Mintz hlist_del(&hash_con->node); 12487e50769cSMichal Kalderon qed_iscsi_release_connection(QED_AFFIN_HWFN(cdev), hash_con->con); 1249fc831825SYuval Mintz kfree(hash_con); 1250fc831825SYuval Mintz 1251fc831825SYuval Mintz return 0; 1252fc831825SYuval Mintz } 1253fc831825SYuval Mintz 1254fc831825SYuval Mintz static int qed_iscsi_offload_conn(struct qed_dev *cdev, 1255fc831825SYuval Mintz u32 handle, 1256fc831825SYuval Mintz struct qed_iscsi_params_offload *conn_info) 1257fc831825SYuval Mintz { 1258fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1259fc831825SYuval Mintz struct qed_iscsi_conn *con; 1260fc831825SYuval Mintz 1261fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1262fc831825SYuval Mintz if (!hash_con) { 1263fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1264fc831825SYuval Mintz handle); 1265fc831825SYuval Mintz return -EINVAL; 1266fc831825SYuval Mintz } 1267fc831825SYuval Mintz 1268fc831825SYuval Mintz /* Update the connection with information from the params */ 1269fc831825SYuval Mintz con = hash_con->con; 1270fc831825SYuval Mintz 1271fc831825SYuval Mintz ether_addr_copy(con->local_mac, conn_info->src.mac); 1272fc831825SYuval Mintz ether_addr_copy(con->remote_mac, conn_info->dst.mac); 1273fc831825SYuval Mintz memcpy(con->local_ip, conn_info->src.ip, sizeof(con->local_ip)); 1274fc831825SYuval Mintz memcpy(con->remote_ip, conn_info->dst.ip, sizeof(con->remote_ip)); 1275fc831825SYuval Mintz con->local_port = conn_info->src.port; 1276fc831825SYuval Mintz con->remote_port = conn_info->dst.port; 1277fc831825SYuval Mintz 1278fc831825SYuval Mintz con->layer_code = conn_info->layer_code; 1279fc831825SYuval Mintz con->sq_pbl_addr = conn_info->sq_pbl_addr; 1280fc831825SYuval Mintz con->initial_ack = conn_info->initial_ack; 1281fc831825SYuval Mintz con->vlan_id = conn_info->vlan_id; 1282fc831825SYuval Mintz con->tcp_flags = conn_info->tcp_flags; 1283fc831825SYuval Mintz con->ip_version = conn_info->ip_version; 1284fc831825SYuval Mintz con->default_cq = conn_info->default_cq; 1285fc831825SYuval Mintz con->ka_max_probe_cnt = conn_info->ka_max_probe_cnt; 1286fc831825SYuval Mintz con->dup_ack_theshold = conn_info->dup_ack_theshold; 1287fc831825SYuval Mintz con->rcv_next = conn_info->rcv_next; 1288fc831825SYuval Mintz con->snd_una = conn_info->snd_una; 1289fc831825SYuval Mintz con->snd_next = conn_info->snd_next; 1290fc831825SYuval Mintz con->snd_max = conn_info->snd_max; 1291fc831825SYuval Mintz con->snd_wnd = conn_info->snd_wnd; 1292fc831825SYuval Mintz con->rcv_wnd = conn_info->rcv_wnd; 1293fc831825SYuval Mintz con->snd_wl1 = conn_info->snd_wl1; 1294fc831825SYuval Mintz con->cwnd = conn_info->cwnd; 1295fc831825SYuval Mintz con->ss_thresh = conn_info->ss_thresh; 1296fc831825SYuval Mintz con->srtt = conn_info->srtt; 1297fc831825SYuval Mintz con->rtt_var = conn_info->rtt_var; 1298fc831825SYuval Mintz con->ts_recent = conn_info->ts_recent; 1299fc831825SYuval Mintz con->ts_recent_age = conn_info->ts_recent_age; 1300fc831825SYuval Mintz con->total_rt = conn_info->total_rt; 1301fc831825SYuval Mintz con->ka_timeout_delta = conn_info->ka_timeout_delta; 1302fc831825SYuval Mintz con->rt_timeout_delta = conn_info->rt_timeout_delta; 1303fc831825SYuval Mintz con->dup_ack_cnt = conn_info->dup_ack_cnt; 1304fc831825SYuval Mintz con->snd_wnd_probe_cnt = conn_info->snd_wnd_probe_cnt; 1305fc831825SYuval Mintz con->ka_probe_cnt = conn_info->ka_probe_cnt; 1306fc831825SYuval Mintz con->rt_cnt = conn_info->rt_cnt; 1307fc831825SYuval Mintz con->flow_label = conn_info->flow_label; 1308fc831825SYuval Mintz con->ka_timeout = conn_info->ka_timeout; 1309fc831825SYuval Mintz con->ka_interval = conn_info->ka_interval; 1310fc831825SYuval Mintz con->max_rt_time = conn_info->max_rt_time; 1311fc831825SYuval Mintz con->initial_rcv_wnd = conn_info->initial_rcv_wnd; 1312fc831825SYuval Mintz con->ttl = conn_info->ttl; 1313fc831825SYuval Mintz con->tos_or_tc = conn_info->tos_or_tc; 1314fc831825SYuval Mintz con->remote_port = conn_info->remote_port; 1315fc831825SYuval Mintz con->local_port = conn_info->local_port; 1316fc831825SYuval Mintz con->mss = conn_info->mss; 1317fc831825SYuval Mintz con->snd_wnd_scale = conn_info->snd_wnd_scale; 1318fc831825SYuval Mintz con->rcv_wnd_scale = conn_info->rcv_wnd_scale; 1319fc831825SYuval Mintz con->da_timeout_value = conn_info->da_timeout_value; 1320fc831825SYuval Mintz con->ack_frequency = conn_info->ack_frequency; 1321fc831825SYuval Mintz 1322fc831825SYuval Mintz /* Set default values on other connection fields */ 1323fc831825SYuval Mintz con->offl_flags = 0x1; 1324fc831825SYuval Mintz 13257e50769cSMichal Kalderon return qed_sp_iscsi_conn_offload(QED_AFFIN_HWFN(cdev), con, 1326fc831825SYuval Mintz QED_SPQ_MODE_EBLOCK, NULL); 1327fc831825SYuval Mintz } 1328fc831825SYuval Mintz 1329fc831825SYuval Mintz static int qed_iscsi_update_conn(struct qed_dev *cdev, 1330fc831825SYuval Mintz u32 handle, 1331fc831825SYuval Mintz struct qed_iscsi_params_update *conn_info) 1332fc831825SYuval Mintz { 1333fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1334fc831825SYuval Mintz struct qed_iscsi_conn *con; 1335fc831825SYuval Mintz 1336fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1337fc831825SYuval Mintz if (!hash_con) { 1338fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1339fc831825SYuval Mintz handle); 1340fc831825SYuval Mintz return -EINVAL; 1341fc831825SYuval Mintz } 1342fc831825SYuval Mintz 1343fc831825SYuval Mintz /* Update the connection with information from the params */ 1344fc831825SYuval Mintz con = hash_con->con; 1345fc831825SYuval Mintz con->update_flag = conn_info->update_flag; 1346fc831825SYuval Mintz con->max_seq_size = conn_info->max_seq_size; 1347fc831825SYuval Mintz con->max_recv_pdu_length = conn_info->max_recv_pdu_length; 1348fc831825SYuval Mintz con->max_send_pdu_length = conn_info->max_send_pdu_length; 1349fc831825SYuval Mintz con->first_seq_length = conn_info->first_seq_length; 1350fc831825SYuval Mintz con->exp_stat_sn = conn_info->exp_stat_sn; 1351fc831825SYuval Mintz 13527e50769cSMichal Kalderon return qed_sp_iscsi_conn_update(QED_AFFIN_HWFN(cdev), con, 1353fc831825SYuval Mintz QED_SPQ_MODE_EBLOCK, NULL); 1354fc831825SYuval Mintz } 1355fc831825SYuval Mintz 1356fc831825SYuval Mintz static int qed_iscsi_clear_conn_sq(struct qed_dev *cdev, u32 handle) 1357fc831825SYuval Mintz { 1358fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1359fc831825SYuval Mintz 1360fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1361fc831825SYuval Mintz if (!hash_con) { 1362fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1363fc831825SYuval Mintz handle); 1364fc831825SYuval Mintz return -EINVAL; 1365fc831825SYuval Mintz } 1366fc831825SYuval Mintz 13677e50769cSMichal Kalderon return qed_sp_iscsi_conn_clear_sq(QED_AFFIN_HWFN(cdev), hash_con->con, 1368fc831825SYuval Mintz QED_SPQ_MODE_EBLOCK, NULL); 1369fc831825SYuval Mintz } 1370fc831825SYuval Mintz 1371fc831825SYuval Mintz static int qed_iscsi_destroy_conn(struct qed_dev *cdev, 1372fc831825SYuval Mintz u32 handle, u8 abrt_conn) 1373fc831825SYuval Mintz { 1374fc831825SYuval Mintz struct qed_hash_iscsi_con *hash_con; 1375fc831825SYuval Mintz 1376fc831825SYuval Mintz hash_con = qed_iscsi_get_hash(cdev, handle); 1377fc831825SYuval Mintz if (!hash_con) { 1378fc831825SYuval Mintz DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1379fc831825SYuval Mintz handle); 1380fc831825SYuval Mintz return -EINVAL; 1381fc831825SYuval Mintz } 1382fc831825SYuval Mintz 1383fc831825SYuval Mintz hash_con->con->abortive_dsconnect = abrt_conn; 1384fc831825SYuval Mintz 13857e50769cSMichal Kalderon return qed_sp_iscsi_conn_terminate(QED_AFFIN_HWFN(cdev), hash_con->con, 1386fc831825SYuval Mintz QED_SPQ_MODE_EBLOCK, NULL); 1387fc831825SYuval Mintz } 1388fc831825SYuval Mintz 1389fc831825SYuval Mintz static int qed_iscsi_stats(struct qed_dev *cdev, struct qed_iscsi_stats *stats) 1390fc831825SYuval Mintz { 13917e50769cSMichal Kalderon return qed_iscsi_get_stats(QED_AFFIN_HWFN(cdev), stats); 1392fc831825SYuval Mintz } 1393fc831825SYuval Mintz 1394dc4528e9SMintz, Yuval static int qed_iscsi_change_mac(struct qed_dev *cdev, 1395dc4528e9SMintz, Yuval u32 handle, const u8 *mac) 1396dc4528e9SMintz, Yuval { 1397dc4528e9SMintz, Yuval struct qed_hash_iscsi_con *hash_con; 1398dc4528e9SMintz, Yuval 1399dc4528e9SMintz, Yuval hash_con = qed_iscsi_get_hash(cdev, handle); 1400dc4528e9SMintz, Yuval if (!hash_con) { 1401dc4528e9SMintz, Yuval DP_NOTICE(cdev, "Failed to find connection for handle %d\n", 1402dc4528e9SMintz, Yuval handle); 1403dc4528e9SMintz, Yuval return -EINVAL; 1404dc4528e9SMintz, Yuval } 1405dc4528e9SMintz, Yuval 14067e50769cSMichal Kalderon return qed_sp_iscsi_mac_update(QED_AFFIN_HWFN(cdev), hash_con->con, 1407dc4528e9SMintz, Yuval QED_SPQ_MODE_EBLOCK, NULL); 1408dc4528e9SMintz, Yuval } 1409dc4528e9SMintz, Yuval 14102f2b2614SMintz, Yuval void qed_get_protocol_stats_iscsi(struct qed_dev *cdev, 14112f2b2614SMintz, Yuval struct qed_mcp_iscsi_stats *stats) 14122f2b2614SMintz, Yuval { 14132f2b2614SMintz, Yuval struct qed_iscsi_stats proto_stats; 14142f2b2614SMintz, Yuval 14152f2b2614SMintz, Yuval /* Retrieve FW statistics */ 14162f2b2614SMintz, Yuval memset(&proto_stats, 0, sizeof(proto_stats)); 14172f2b2614SMintz, Yuval if (qed_iscsi_stats(cdev, &proto_stats)) { 14182f2b2614SMintz, Yuval DP_VERBOSE(cdev, QED_MSG_STORAGE, 14192f2b2614SMintz, Yuval "Failed to collect ISCSI statistics\n"); 14202f2b2614SMintz, Yuval return; 14212f2b2614SMintz, Yuval } 14222f2b2614SMintz, Yuval 14232f2b2614SMintz, Yuval /* Translate FW statistics into struct */ 14242f2b2614SMintz, Yuval stats->rx_pdus = proto_stats.iscsi_rx_total_pdu_cnt; 14252f2b2614SMintz, Yuval stats->tx_pdus = proto_stats.iscsi_tx_total_pdu_cnt; 14262f2b2614SMintz, Yuval stats->rx_bytes = proto_stats.iscsi_rx_bytes_cnt; 14272f2b2614SMintz, Yuval stats->tx_bytes = proto_stats.iscsi_tx_bytes_cnt; 14282f2b2614SMintz, Yuval } 14292f2b2614SMintz, Yuval 1430fc831825SYuval Mintz static const struct qed_iscsi_ops qed_iscsi_ops_pass = { 1431fc831825SYuval Mintz .common = &qed_common_ops_pass, 1432fc831825SYuval Mintz .ll2 = &qed_ll2_ops_pass, 1433fc831825SYuval Mintz .fill_dev_info = &qed_fill_iscsi_dev_info, 1434fc831825SYuval Mintz .register_ops = &qed_register_iscsi_ops, 1435fc831825SYuval Mintz .start = &qed_iscsi_start, 1436fc831825SYuval Mintz .stop = &qed_iscsi_stop, 1437fc831825SYuval Mintz .acquire_conn = &qed_iscsi_acquire_conn, 1438fc831825SYuval Mintz .release_conn = &qed_iscsi_release_conn, 1439fc831825SYuval Mintz .offload_conn = &qed_iscsi_offload_conn, 1440fc831825SYuval Mintz .update_conn = &qed_iscsi_update_conn, 1441fc831825SYuval Mintz .destroy_conn = &qed_iscsi_destroy_conn, 1442fc831825SYuval Mintz .clear_sq = &qed_iscsi_clear_conn_sq, 1443fc831825SYuval Mintz .get_stats = &qed_iscsi_stats, 1444dc4528e9SMintz, Yuval .change_mac = &qed_iscsi_change_mac, 1445fc831825SYuval Mintz }; 1446fc831825SYuval Mintz 14477729bad4SArnd Bergmann const struct qed_iscsi_ops *qed_get_iscsi_ops(void) 1448fc831825SYuval Mintz { 1449fc831825SYuval Mintz return &qed_iscsi_ops_pass; 1450fc831825SYuval Mintz } 1451fc831825SYuval Mintz EXPORT_SYMBOL(qed_get_iscsi_ops); 1452fc831825SYuval Mintz 1453fc831825SYuval Mintz void qed_put_iscsi_ops(void) 1454fc831825SYuval Mintz { 1455fc831825SYuval Mintz } 1456fc831825SYuval Mintz EXPORT_SYMBOL(qed_put_iscsi_ops); 1457