1fe56b9e6SYuval Mintz /* QLogic qed NIC Driver 2e8f1cb50SMintz, Yuval * Copyright (c) 2015-2017 QLogic Corporation 3fe56b9e6SYuval 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. 31fe56b9e6SYuval Mintz */ 32fe56b9e6SYuval Mintz 33fe56b9e6SYuval Mintz #ifndef _QED_SP_H 34fe56b9e6SYuval Mintz #define _QED_SP_H 35fe56b9e6SYuval Mintz 36fe56b9e6SYuval Mintz #include <linux/types.h> 37fe56b9e6SYuval Mintz #include <linux/kernel.h> 38fe56b9e6SYuval Mintz #include <linux/list.h> 39fe56b9e6SYuval Mintz #include <linux/slab.h> 40fe56b9e6SYuval Mintz #include <linux/spinlock.h> 41fe56b9e6SYuval Mintz #include <linux/qed/qed_chain.h> 42fe56b9e6SYuval Mintz #include "qed.h" 43fe56b9e6SYuval Mintz #include "qed_hsi.h" 44fe56b9e6SYuval Mintz 45fe56b9e6SYuval Mintz enum spq_mode { 46fe56b9e6SYuval Mintz QED_SPQ_MODE_BLOCK, /* Client will poll a designated mem. address */ 47fe56b9e6SYuval Mintz QED_SPQ_MODE_CB, /* Client supplies a callback */ 48fe56b9e6SYuval Mintz QED_SPQ_MODE_EBLOCK, /* QED should block until completion */ 49fe56b9e6SYuval Mintz }; 50fe56b9e6SYuval Mintz 51fe56b9e6SYuval Mintz struct qed_spq_comp_cb { 52fe56b9e6SYuval Mintz void (*function)(struct qed_hwfn *, 53fe56b9e6SYuval Mintz void *, 54fe56b9e6SYuval Mintz union event_ring_data *, 55fe56b9e6SYuval Mintz u8 fw_return_code); 56fe56b9e6SYuval Mintz void *cookie; 57fe56b9e6SYuval Mintz }; 58fe56b9e6SYuval Mintz 59cee4d264SManish Chopra /** 60cee4d264SManish Chopra * @brief qed_eth_cqe_completion - handles the completion of a 61cee4d264SManish Chopra * ramrod on the cqe ring 62cee4d264SManish Chopra * 63cee4d264SManish Chopra * @param p_hwfn 64cee4d264SManish Chopra * @param cqe 65cee4d264SManish Chopra * 66cee4d264SManish Chopra * @return int 67cee4d264SManish Chopra */ 68cee4d264SManish Chopra int qed_eth_cqe_completion(struct qed_hwfn *p_hwfn, 69cee4d264SManish Chopra struct eth_slow_path_rx_cqe *cqe); 70cee4d264SManish Chopra 71cee4d264SManish Chopra /** 72cee4d264SManish Chopra * @file 73cee4d264SManish Chopra * 74cee4d264SManish Chopra * QED Slow-hwfn queue interface 75cee4d264SManish Chopra */ 76cee4d264SManish Chopra 77fe56b9e6SYuval Mintz union ramrod_data { 78fe56b9e6SYuval Mintz struct pf_start_ramrod_data pf_start; 79464f6645SManish Chopra struct pf_update_ramrod_data pf_update; 80cee4d264SManish Chopra struct rx_queue_start_ramrod_data rx_queue_start; 81cee4d264SManish Chopra struct rx_queue_update_ramrod_data rx_queue_update; 82cee4d264SManish Chopra struct rx_queue_stop_ramrod_data rx_queue_stop; 83cee4d264SManish Chopra struct tx_queue_start_ramrod_data tx_queue_start; 84cee4d264SManish Chopra struct tx_queue_stop_ramrod_data tx_queue_stop; 85cee4d264SManish Chopra struct vport_start_ramrod_data vport_start; 86cee4d264SManish Chopra struct vport_stop_ramrod_data vport_stop; 87d51e4af5SChopra, Manish struct rx_update_gft_filter_data rx_update_gft; 88cee4d264SManish Chopra struct vport_update_ramrod_data vport_update; 890a7fb11cSYuval Mintz struct core_rx_start_ramrod_data core_rx_queue_start; 900a7fb11cSYuval Mintz struct core_rx_stop_ramrod_data core_rx_queue_stop; 910a7fb11cSYuval Mintz struct core_tx_start_ramrod_data core_tx_queue_start; 920a7fb11cSYuval Mintz struct core_tx_stop_ramrod_data core_tx_queue_stop; 93cee4d264SManish Chopra struct vport_filter_update_ramrod_data vport_filter_update; 941408cc1fSYuval Mintz 957a9b6b8fSYuval Mintz struct rdma_init_func_ramrod_data rdma_init_func; 967a9b6b8fSYuval Mintz struct rdma_close_func_ramrod_data rdma_close_func; 977a9b6b8fSYuval Mintz struct rdma_register_tid_ramrod_data rdma_register_tid; 987a9b6b8fSYuval Mintz struct rdma_deregister_tid_ramrod_data rdma_deregister_tid; 997a9b6b8fSYuval Mintz struct roce_create_qp_resp_ramrod_data roce_create_qp_resp; 1007a9b6b8fSYuval Mintz struct roce_create_qp_req_ramrod_data roce_create_qp_req; 1017a9b6b8fSYuval Mintz struct roce_modify_qp_resp_ramrod_data roce_modify_qp_resp; 1027a9b6b8fSYuval Mintz struct roce_modify_qp_req_ramrod_data roce_modify_qp_req; 1037a9b6b8fSYuval Mintz struct roce_query_qp_resp_ramrod_data roce_query_qp_resp; 1047a9b6b8fSYuval Mintz struct roce_query_qp_req_ramrod_data roce_query_qp_req; 1057a9b6b8fSYuval Mintz struct roce_destroy_qp_resp_ramrod_data roce_destroy_qp_resp; 1067a9b6b8fSYuval Mintz struct roce_destroy_qp_req_ramrod_data roce_destroy_qp_req; 10767b40dccSKalderon, Michal struct roce_init_func_ramrod_data roce_init_func; 1087a9b6b8fSYuval Mintz struct rdma_create_cq_ramrod_data rdma_create_cq; 1097a9b6b8fSYuval Mintz struct rdma_destroy_cq_ramrod_data rdma_destroy_cq; 1107a9b6b8fSYuval Mintz struct rdma_srq_create_ramrod_data rdma_create_srq; 1117a9b6b8fSYuval Mintz struct rdma_srq_destroy_ramrod_data rdma_destroy_srq; 1127a9b6b8fSYuval Mintz struct rdma_srq_modify_ramrod_data rdma_modify_srq; 11367b40dccSKalderon, Michal struct iwarp_create_qp_ramrod_data iwarp_create_qp; 114456a5849SKalderon, Michal struct iwarp_tcp_offload_ramrod_data iwarp_tcp_offload; 115456a5849SKalderon, Michal struct iwarp_mpa_offload_ramrod_data iwarp_mpa_offload; 11667b40dccSKalderon, Michal struct iwarp_modify_qp_ramrod_data iwarp_modify_qp; 11767b40dccSKalderon, Michal struct iwarp_init_func_ramrod_data iwarp_init_func; 1181e128c81SArun Easi struct fcoe_init_ramrod_params fcoe_init; 1191e128c81SArun Easi struct fcoe_conn_offload_ramrod_params fcoe_conn_ofld; 1201e128c81SArun Easi struct fcoe_conn_terminate_ramrod_params fcoe_conn_terminate; 1211e128c81SArun Easi struct fcoe_stat_ramrod_params fcoe_stat; 1227a9b6b8fSYuval Mintz 1237a9b6b8fSYuval Mintz struct iscsi_slow_path_hdr iscsi_empty; 1247a9b6b8fSYuval Mintz struct iscsi_init_ramrod_params iscsi_init; 1257a9b6b8fSYuval Mintz struct iscsi_spe_func_dstry iscsi_destroy; 1267a9b6b8fSYuval Mintz struct iscsi_spe_conn_offload iscsi_conn_offload; 1277a9b6b8fSYuval Mintz struct iscsi_conn_update_ramrod_params iscsi_conn_update; 128dc4528e9SMintz, Yuval struct iscsi_spe_conn_mac_update iscsi_conn_mac_update; 1297a9b6b8fSYuval Mintz struct iscsi_spe_conn_termination iscsi_conn_terminate; 1307a9b6b8fSYuval Mintz 1311408cc1fSYuval Mintz struct vf_start_ramrod_data vf_start; 1320b55e27dSYuval Mintz struct vf_stop_ramrod_data vf_stop; 133fe56b9e6SYuval Mintz }; 134fe56b9e6SYuval Mintz 135fe56b9e6SYuval Mintz #define EQ_MAX_CREDIT 0xffffffff 136fe56b9e6SYuval Mintz 137fe56b9e6SYuval Mintz enum spq_priority { 138fe56b9e6SYuval Mintz QED_SPQ_PRIORITY_NORMAL, 139fe56b9e6SYuval Mintz QED_SPQ_PRIORITY_HIGH, 140fe56b9e6SYuval Mintz }; 141fe56b9e6SYuval Mintz 142fe56b9e6SYuval Mintz union qed_spq_req_comp { 143fe56b9e6SYuval Mintz struct qed_spq_comp_cb cb; 144fe56b9e6SYuval Mintz u64 *done_addr; 145fe56b9e6SYuval Mintz }; 146fe56b9e6SYuval Mintz 147fe56b9e6SYuval Mintz struct qed_spq_comp_done { 148d5df7688SManish Chopra unsigned int done; 149fe56b9e6SYuval Mintz u8 fw_return_code; 150fe56b9e6SYuval Mintz }; 151fe56b9e6SYuval Mintz 152fe56b9e6SYuval Mintz struct qed_spq_entry { 153fe56b9e6SYuval Mintz struct list_head list; 154fe56b9e6SYuval Mintz 155fe56b9e6SYuval Mintz u8 flags; 156fe56b9e6SYuval Mintz 157fe56b9e6SYuval Mintz /* HSI slow path element */ 158fe56b9e6SYuval Mintz struct slow_path_element elem; 159fe56b9e6SYuval Mintz 160fe56b9e6SYuval Mintz union ramrod_data ramrod; 161fe56b9e6SYuval Mintz 162fe56b9e6SYuval Mintz enum spq_priority priority; 163fe56b9e6SYuval Mintz 164fe56b9e6SYuval Mintz /* pending queue for this entry */ 165fe56b9e6SYuval Mintz struct list_head *queue; 166fe56b9e6SYuval Mintz 167fe56b9e6SYuval Mintz enum spq_mode comp_mode; 168fe56b9e6SYuval Mintz struct qed_spq_comp_cb comp_cb; 169fe56b9e6SYuval Mintz struct qed_spq_comp_done comp_done; /* SPQ_MODE_EBLOCK */ 1702632f22eSDenis Bolotin 1712632f22eSDenis Bolotin /* Posted entry for unlimited list entry in EBLOCK mode */ 1722632f22eSDenis Bolotin struct qed_spq_entry *post_ent; 173fe56b9e6SYuval Mintz }; 174fe56b9e6SYuval Mintz 175fe56b9e6SYuval Mintz struct qed_eq { 176fe56b9e6SYuval Mintz struct qed_chain chain; 177fe56b9e6SYuval Mintz u8 eq_sb_index; /* index within the SB */ 178fe56b9e6SYuval Mintz __le16 *p_fw_cons; /* ptr to index value */ 179fe56b9e6SYuval Mintz }; 180fe56b9e6SYuval Mintz 181fe56b9e6SYuval Mintz struct qed_consq { 182fe56b9e6SYuval Mintz struct qed_chain chain; 183fe56b9e6SYuval Mintz }; 184fe56b9e6SYuval Mintz 1856c9e80eaSMichal Kalderon typedef int 1866c9e80eaSMichal Kalderon (*qed_spq_async_comp_cb)(struct qed_hwfn *p_hwfn, 1876c9e80eaSMichal Kalderon u8 opcode, 1886c9e80eaSMichal Kalderon u16 echo, 1896c9e80eaSMichal Kalderon union event_ring_data *data, 1906c9e80eaSMichal Kalderon u8 fw_return_code); 1916c9e80eaSMichal Kalderon 1926c9e80eaSMichal Kalderon int 1936c9e80eaSMichal Kalderon qed_spq_register_async_cb(struct qed_hwfn *p_hwfn, 1946c9e80eaSMichal Kalderon enum protocol_type protocol_id, 1956c9e80eaSMichal Kalderon qed_spq_async_comp_cb cb); 1966c9e80eaSMichal Kalderon 1976c9e80eaSMichal Kalderon void 1986c9e80eaSMichal Kalderon qed_spq_unregister_async_cb(struct qed_hwfn *p_hwfn, 1996c9e80eaSMichal Kalderon enum protocol_type protocol_id); 2006c9e80eaSMichal Kalderon 201fe56b9e6SYuval Mintz struct qed_spq { 202fe56b9e6SYuval Mintz spinlock_t lock; /* SPQ lock */ 203fe56b9e6SYuval Mintz 204fe56b9e6SYuval Mintz struct list_head unlimited_pending; 205fe56b9e6SYuval Mintz struct list_head pending; 206fe56b9e6SYuval Mintz struct list_head completion_pending; 207fe56b9e6SYuval Mintz struct list_head free_pool; 208fe56b9e6SYuval Mintz 209fe56b9e6SYuval Mintz struct qed_chain chain; 210fe56b9e6SYuval Mintz 211fe56b9e6SYuval Mintz /* allocated dma-able memory for spq entries (+ramrod data) */ 212fe56b9e6SYuval Mintz dma_addr_t p_phys; 213fe56b9e6SYuval Mintz struct qed_spq_entry *p_virt; 214fe56b9e6SYuval Mintz 21576a9a364STomer Tayar #define SPQ_RING_SIZE \ 21676a9a364STomer Tayar (CORE_SPQE_PAGE_SIZE_BYTES / sizeof(struct slow_path_element)) 21776a9a364STomer Tayar 21876a9a364STomer Tayar /* Bitmap for handling out-of-order completions */ 21976a9a364STomer Tayar DECLARE_BITMAP(p_comp_bitmap, SPQ_RING_SIZE); 22076a9a364STomer Tayar u8 comp_bitmap_idx; 221fe56b9e6SYuval Mintz 222fe56b9e6SYuval Mintz /* Statistics */ 223fe56b9e6SYuval Mintz u32 unlimited_pending_count; 224fe56b9e6SYuval Mintz u32 normal_count; 225fe56b9e6SYuval Mintz u32 high_count; 226fe56b9e6SYuval Mintz u32 comp_sent_count; 227fe56b9e6SYuval Mintz u32 comp_count; 228fe56b9e6SYuval Mintz 229fe56b9e6SYuval Mintz u32 cid; 2306c9e80eaSMichal Kalderon qed_spq_async_comp_cb async_comp_cb[MAX_PROTOCOL_TYPE]; 231fe56b9e6SYuval Mintz }; 232fe56b9e6SYuval Mintz 233fe56b9e6SYuval Mintz /** 234fe56b9e6SYuval Mintz * @brief qed_spq_post - Posts a Slow hwfn request to FW, or lacking that 235fe56b9e6SYuval Mintz * Pends it to the future list. 236fe56b9e6SYuval Mintz * 237fe56b9e6SYuval Mintz * @param p_hwfn 238fe56b9e6SYuval Mintz * @param p_req 239fe56b9e6SYuval Mintz * 240fe56b9e6SYuval Mintz * @return int 241fe56b9e6SYuval Mintz */ 242fe56b9e6SYuval Mintz int qed_spq_post(struct qed_hwfn *p_hwfn, 243fe56b9e6SYuval Mintz struct qed_spq_entry *p_ent, 244fe56b9e6SYuval Mintz u8 *fw_return_code); 245fe56b9e6SYuval Mintz 246fe56b9e6SYuval Mintz /** 247fe56b9e6SYuval Mintz * @brief qed_spq_allocate - Alloocates & initializes the SPQ and EQ. 248fe56b9e6SYuval Mintz * 249fe56b9e6SYuval Mintz * @param p_hwfn 250fe56b9e6SYuval Mintz * 251fe56b9e6SYuval Mintz * @return int 252fe56b9e6SYuval Mintz */ 253fe56b9e6SYuval Mintz int qed_spq_alloc(struct qed_hwfn *p_hwfn); 254fe56b9e6SYuval Mintz 255fe56b9e6SYuval Mintz /** 256fe56b9e6SYuval Mintz * @brief qed_spq_setup - Reset the SPQ to its start state. 257fe56b9e6SYuval Mintz * 258fe56b9e6SYuval Mintz * @param p_hwfn 259fe56b9e6SYuval Mintz */ 260fe56b9e6SYuval Mintz void qed_spq_setup(struct qed_hwfn *p_hwfn); 261fe56b9e6SYuval Mintz 262fe56b9e6SYuval Mintz /** 263fe56b9e6SYuval Mintz * @brief qed_spq_deallocate - Deallocates the given SPQ struct. 264fe56b9e6SYuval Mintz * 265fe56b9e6SYuval Mintz * @param p_hwfn 266fe56b9e6SYuval Mintz */ 267fe56b9e6SYuval Mintz void qed_spq_free(struct qed_hwfn *p_hwfn); 268fe56b9e6SYuval Mintz 269fe56b9e6SYuval Mintz /** 270fe56b9e6SYuval Mintz * @brief qed_spq_get_entry - Obtain an entrry from the spq 271fe56b9e6SYuval Mintz * free pool list. 272fe56b9e6SYuval Mintz * 273fe56b9e6SYuval Mintz * 274fe56b9e6SYuval Mintz * 275fe56b9e6SYuval Mintz * @param p_hwfn 276fe56b9e6SYuval Mintz * @param pp_ent 277fe56b9e6SYuval Mintz * 278fe56b9e6SYuval Mintz * @return int 279fe56b9e6SYuval Mintz */ 280fe56b9e6SYuval Mintz int 281fe56b9e6SYuval Mintz qed_spq_get_entry(struct qed_hwfn *p_hwfn, 282fe56b9e6SYuval Mintz struct qed_spq_entry **pp_ent); 283fe56b9e6SYuval Mintz 284fe56b9e6SYuval Mintz /** 285fe56b9e6SYuval Mintz * @brief qed_spq_return_entry - Return an entry to spq free 286fe56b9e6SYuval Mintz * pool list 287fe56b9e6SYuval Mintz * 288fe56b9e6SYuval Mintz * @param p_hwfn 289fe56b9e6SYuval Mintz * @param p_ent 290fe56b9e6SYuval Mintz */ 291fe56b9e6SYuval Mintz void qed_spq_return_entry(struct qed_hwfn *p_hwfn, 292fe56b9e6SYuval Mintz struct qed_spq_entry *p_ent); 293fe56b9e6SYuval Mintz /** 294fe56b9e6SYuval Mintz * @brief qed_eq_allocate - Allocates & initializes an EQ struct 295fe56b9e6SYuval Mintz * 296fe56b9e6SYuval Mintz * @param p_hwfn 297fe56b9e6SYuval Mintz * @param num_elem number of elements in the eq 298fe56b9e6SYuval Mintz * 2993587cb87STomer Tayar * @return int 300fe56b9e6SYuval Mintz */ 3013587cb87STomer Tayar int qed_eq_alloc(struct qed_hwfn *p_hwfn, u16 num_elem); 302fe56b9e6SYuval Mintz 303fe56b9e6SYuval Mintz /** 3043587cb87STomer Tayar * @brief qed_eq_setup - Reset the EQ to its start state. 305fe56b9e6SYuval Mintz * 306fe56b9e6SYuval Mintz * @param p_hwfn 307fe56b9e6SYuval Mintz */ 3083587cb87STomer Tayar void qed_eq_setup(struct qed_hwfn *p_hwfn); 309fe56b9e6SYuval Mintz 310fe56b9e6SYuval Mintz /** 3113587cb87STomer Tayar * @brief qed_eq_free - deallocates the given EQ struct. 312fe56b9e6SYuval Mintz * 313fe56b9e6SYuval Mintz * @param p_hwfn 314fe56b9e6SYuval Mintz */ 3153587cb87STomer Tayar void qed_eq_free(struct qed_hwfn *p_hwfn); 316fe56b9e6SYuval Mintz 317fe56b9e6SYuval Mintz /** 318fe56b9e6SYuval Mintz * @brief qed_eq_prod_update - update the FW with default EQ producer 319fe56b9e6SYuval Mintz * 320fe56b9e6SYuval Mintz * @param p_hwfn 321fe56b9e6SYuval Mintz * @param prod 322fe56b9e6SYuval Mintz */ 323fe56b9e6SYuval Mintz void qed_eq_prod_update(struct qed_hwfn *p_hwfn, 324fe56b9e6SYuval Mintz u16 prod); 325fe56b9e6SYuval Mintz 326fe56b9e6SYuval Mintz /** 327fe56b9e6SYuval Mintz * @brief qed_eq_completion - Completes currently pending EQ elements 328fe56b9e6SYuval Mintz * 329fe56b9e6SYuval Mintz * @param p_hwfn 330fe56b9e6SYuval Mintz * @param cookie 331fe56b9e6SYuval Mintz * 332fe56b9e6SYuval Mintz * @return int 333fe56b9e6SYuval Mintz */ 334fe56b9e6SYuval Mintz int qed_eq_completion(struct qed_hwfn *p_hwfn, 335fe56b9e6SYuval Mintz void *cookie); 336fe56b9e6SYuval Mintz 337fe56b9e6SYuval Mintz /** 338fe56b9e6SYuval Mintz * @brief qed_spq_completion - Completes a single event 339fe56b9e6SYuval Mintz * 340fe56b9e6SYuval Mintz * @param p_hwfn 341fe56b9e6SYuval Mintz * @param echo - echo value from cookie (used for determining completion) 342fe56b9e6SYuval Mintz * @param p_data - data from cookie (used in callback function if applicable) 343fe56b9e6SYuval Mintz * 344fe56b9e6SYuval Mintz * @return int 345fe56b9e6SYuval Mintz */ 346fe56b9e6SYuval Mintz int qed_spq_completion(struct qed_hwfn *p_hwfn, 347fe56b9e6SYuval Mintz __le16 echo, 348fe56b9e6SYuval Mintz u8 fw_return_code, 349fe56b9e6SYuval Mintz union event_ring_data *p_data); 350fe56b9e6SYuval Mintz 351fe56b9e6SYuval Mintz /** 352fe56b9e6SYuval Mintz * @brief qed_spq_get_cid - Given p_hwfn, return cid for the hwfn's SPQ 353fe56b9e6SYuval Mintz * 354fe56b9e6SYuval Mintz * @param p_hwfn 355fe56b9e6SYuval Mintz * 356fe56b9e6SYuval Mintz * @return u32 - SPQ CID 357fe56b9e6SYuval Mintz */ 358fe56b9e6SYuval Mintz u32 qed_spq_get_cid(struct qed_hwfn *p_hwfn); 359fe56b9e6SYuval Mintz 360fe56b9e6SYuval Mintz /** 361fe56b9e6SYuval Mintz * @brief qed_consq_alloc - Allocates & initializes an ConsQ 362fe56b9e6SYuval Mintz * struct 363fe56b9e6SYuval Mintz * 364fe56b9e6SYuval Mintz * @param p_hwfn 365fe56b9e6SYuval Mintz * 3663587cb87STomer Tayar * @return int 367fe56b9e6SYuval Mintz */ 3683587cb87STomer Tayar int qed_consq_alloc(struct qed_hwfn *p_hwfn); 369fe56b9e6SYuval Mintz 370fe56b9e6SYuval Mintz /** 3713587cb87STomer Tayar * @brief qed_consq_setup - Reset the ConsQ to its start state. 372fe56b9e6SYuval Mintz * 373fe56b9e6SYuval Mintz * @param p_hwfn 374fe56b9e6SYuval Mintz */ 3753587cb87STomer Tayar void qed_consq_setup(struct qed_hwfn *p_hwfn); 376fe56b9e6SYuval Mintz 377fe56b9e6SYuval Mintz /** 378fe56b9e6SYuval Mintz * @brief qed_consq_free - deallocates the given ConsQ struct. 379fe56b9e6SYuval Mintz * 380fe56b9e6SYuval Mintz * @param p_hwfn 381fe56b9e6SYuval Mintz */ 3823587cb87STomer Tayar void qed_consq_free(struct qed_hwfn *p_hwfn); 383fe56b9e6SYuval Mintz 384fe56b9e6SYuval Mintz /** 385fe56b9e6SYuval Mintz * @file 386fe56b9e6SYuval Mintz * 387fe56b9e6SYuval Mintz * @brief Slow-hwfn low-level commands (Ramrods) function definitions. 388fe56b9e6SYuval Mintz */ 389fe56b9e6SYuval Mintz 390fe56b9e6SYuval Mintz #define QED_SP_EQ_COMPLETION 0x01 391fe56b9e6SYuval Mintz #define QED_SP_CQE_COMPLETION 0x02 392fe56b9e6SYuval Mintz 39306f56b81SYuval Mintz struct qed_sp_init_data { 39406f56b81SYuval Mintz u32 cid; 39506f56b81SYuval Mintz u16 opaque_fid; 39606f56b81SYuval Mintz 39706f56b81SYuval Mintz /* Information regarding operation upon sending & completion */ 398fe56b9e6SYuval Mintz enum spq_mode comp_mode; 399fe56b9e6SYuval Mintz struct qed_spq_comp_cb *p_comp_data; 400fe56b9e6SYuval Mintz }; 401fe56b9e6SYuval Mintz 402fe56b9e6SYuval Mintz int qed_sp_init_request(struct qed_hwfn *p_hwfn, 403fe56b9e6SYuval Mintz struct qed_spq_entry **pp_ent, 404fe56b9e6SYuval Mintz u8 cmd, 405fe56b9e6SYuval Mintz u8 protocol, 40606f56b81SYuval Mintz struct qed_sp_init_data *p_data); 407fe56b9e6SYuval Mintz 408fe56b9e6SYuval Mintz /** 409fe56b9e6SYuval Mintz * @brief qed_sp_pf_start - PF Function Start Ramrod 410fe56b9e6SYuval Mintz * 411fe56b9e6SYuval Mintz * This ramrod is sent to initialize a physical function (PF). It will 412fe56b9e6SYuval Mintz * configure the function related parameters and write its completion to the 413fe56b9e6SYuval Mintz * event ring specified in the parameters. 414fe56b9e6SYuval Mintz * 415fe56b9e6SYuval Mintz * Ramrods complete on the common event ring for the PF. This ring is 416fe56b9e6SYuval Mintz * allocated by the driver on host memory and its parameters are written 417fe56b9e6SYuval Mintz * to the internal RAM of the UStorm by the Function Start Ramrod. 418fe56b9e6SYuval Mintz * 419fe56b9e6SYuval Mintz * @param p_hwfn 4204f64675fSManish Chopra * @param p_ptt 421464f6645SManish Chopra * @param p_tunn 422831bfb0eSYuval Mintz * @param allow_npar_tx_switch 423fe56b9e6SYuval Mintz * 424fe56b9e6SYuval Mintz * @return int 425fe56b9e6SYuval Mintz */ 426fe56b9e6SYuval Mintz 427fe56b9e6SYuval Mintz int qed_sp_pf_start(struct qed_hwfn *p_hwfn, 4284f64675fSManish Chopra struct qed_ptt *p_ptt, 42919968430SChopra, Manish struct qed_tunnel_info *p_tunn, 4300bc5fe85SSudarsana Reddy Kalluru bool allow_npar_tx_switch); 431fe56b9e6SYuval Mintz 432fe56b9e6SYuval Mintz /** 43339651abdSSudarsana Reddy Kalluru * @brief qed_sp_pf_update - PF Function Update Ramrod 43439651abdSSudarsana Reddy Kalluru * 43539651abdSSudarsana Reddy Kalluru * This ramrod updates function-related parameters. Every parameter can be 43639651abdSSudarsana Reddy Kalluru * updated independently, according to configuration flags. 43739651abdSSudarsana Reddy Kalluru * 43839651abdSSudarsana Reddy Kalluru * @param p_hwfn 43939651abdSSudarsana Reddy Kalluru * 44039651abdSSudarsana Reddy Kalluru * @return int 44139651abdSSudarsana Reddy Kalluru */ 44239651abdSSudarsana Reddy Kalluru 44339651abdSSudarsana Reddy Kalluru int qed_sp_pf_update(struct qed_hwfn *p_hwfn); 44439651abdSSudarsana Reddy Kalluru 44539651abdSSudarsana Reddy Kalluru /** 4462a351fd9SMintz, Yuval * @brief qed_sp_pf_update_stag - Update firmware of new outer tag 4472a351fd9SMintz, Yuval * 4482a351fd9SMintz, Yuval * @param p_hwfn 4492a351fd9SMintz, Yuval * 4502a351fd9SMintz, Yuval * @return int 4512a351fd9SMintz, Yuval */ 4522a351fd9SMintz, Yuval int qed_sp_pf_update_stag(struct qed_hwfn *p_hwfn); 4532a351fd9SMintz, Yuval 4542a351fd9SMintz, Yuval /** 455fe56b9e6SYuval Mintz * @brief qed_sp_pf_stop - PF Function Stop Ramrod 456fe56b9e6SYuval Mintz * 457fe56b9e6SYuval Mintz * This ramrod is sent to close a Physical Function (PF). It is the last ramrod 458fe56b9e6SYuval Mintz * sent and the last completion written to the PFs Event Ring. This ramrod also 459fe56b9e6SYuval Mintz * deletes the context for the Slowhwfn connection on this PF. 460fe56b9e6SYuval Mintz * 461fe56b9e6SYuval Mintz * @note Not required for first packet. 462fe56b9e6SYuval Mintz * 463fe56b9e6SYuval Mintz * @param p_hwfn 464fe56b9e6SYuval Mintz * 465fe56b9e6SYuval Mintz * @return int 466fe56b9e6SYuval Mintz */ 467fe56b9e6SYuval Mintz 468cac6f691SSudarsana Reddy Kalluru /** 469cac6f691SSudarsana Reddy Kalluru * @brief qed_sp_pf_update_ufp - PF ufp update Ramrod 470cac6f691SSudarsana Reddy Kalluru * 471cac6f691SSudarsana Reddy Kalluru * @param p_hwfn 472cac6f691SSudarsana Reddy Kalluru * 473cac6f691SSudarsana Reddy Kalluru * @return int 474cac6f691SSudarsana Reddy Kalluru */ 475cac6f691SSudarsana Reddy Kalluru int qed_sp_pf_update_ufp(struct qed_hwfn *p_hwfn); 476cac6f691SSudarsana Reddy Kalluru 477fe56b9e6SYuval Mintz int qed_sp_pf_stop(struct qed_hwfn *p_hwfn); 478fe56b9e6SYuval Mintz 479464f6645SManish Chopra int qed_sp_pf_update_tunn_cfg(struct qed_hwfn *p_hwfn, 4804f64675fSManish Chopra struct qed_ptt *p_ptt, 48119968430SChopra, Manish struct qed_tunnel_info *p_tunn, 482464f6645SManish Chopra enum spq_mode comp_mode, 483464f6645SManish Chopra struct qed_spq_comp_cb *p_comp_data); 48403dc76caSSudarsana Reddy Kalluru /** 48503dc76caSSudarsana Reddy Kalluru * @brief qed_sp_heartbeat_ramrod - Send empty Ramrod 48603dc76caSSudarsana Reddy Kalluru * 48703dc76caSSudarsana Reddy Kalluru * @param p_hwfn 48803dc76caSSudarsana Reddy Kalluru * 48903dc76caSSudarsana Reddy Kalluru * @return int 49003dc76caSSudarsana Reddy Kalluru */ 49103dc76caSSudarsana Reddy Kalluru 49203dc76caSSudarsana Reddy Kalluru int qed_sp_heartbeat_ramrod(struct qed_hwfn *p_hwfn); 49303dc76caSSudarsana Reddy Kalluru 494fe56b9e6SYuval Mintz #endif 495