/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ /* QLogic qed NIC Driver * Copyright (c) 2015-2017 QLogic Corporation * Copyright (c) 2019-2020 Marvell International Ltd. */ #ifndef _QED_CXT_H #define _QED_CXT_H #include <linux/types.h> #include <linux/slab.h> #include <linux/qed/qed_if.h> #include "qed_hsi.h" #include "qed.h" struct qed_cxt_info { … }; #define MAX_TID_BLOCKS … struct qed_tid_mem { … }; /** * qed_cxt_get_cid_info(): Returns the context info for a specific cidi. * * @p_hwfn: HW device data. * @p_info: In/out. * * Return: Int. */ int qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn, struct qed_cxt_info *p_info); /** * qed_cxt_get_tid_mem_info(): Returns the tid mem info. * * @p_hwfn: HW device data. * @p_info: in/out. * * Return: int. */ int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn, struct qed_tid_mem *p_info); #define QED_CXT_TCP_ULP_TID_SEG … #define QED_CXT_ROCE_TID_SEG … #define QED_CXT_FCOE_TID_SEG … enum qed_cxt_elem_type { … }; u32 qed_cxt_get_proto_cid_count(struct qed_hwfn *p_hwfn, enum protocol_type type, u32 *vf_cid); /** * qed_cxt_set_pf_params(): Set the PF params for cxt init. * * @p_hwfn: HW device data. * @rdma_tasks: Requested maximum. * * Return: int. */ int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn, u32 rdma_tasks); /** * qed_cxt_cfg_ilt_compute(): Compute ILT init parameters. * * @p_hwfn: HW device data. * @last_line: Last_line. * * Return: Int */ int qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn, u32 *last_line); /** * qed_cxt_cfg_ilt_compute_excess(): How many lines can be decreased. * * @p_hwfn: HW device data. * @used_lines: Used lines. * * Return: Int. */ u32 qed_cxt_cfg_ilt_compute_excess(struct qed_hwfn *p_hwfn, u32 used_lines); /** * qed_cxt_mngr_alloc(): Allocate and init the context manager struct. * * @p_hwfn: HW device data. * * Return: Int. */ int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn); /** * qed_cxt_mngr_free() - Context manager free. * * @p_hwfn: HW device data. * * Return: Void. */ void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn); /** * qed_cxt_tables_alloc(): Allocate ILT shadow, Searcher T2, acquired map. * * @p_hwfn: HW device data. * * Return: Int. */ int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn); /** * qed_cxt_mngr_setup(): Reset the acquired CIDs. * * @p_hwfn: HW device data. */ void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn); /** * qed_cxt_hw_init_common(): Initailze ILT and DQ, common phase, per path. * * @p_hwfn: HW device data. * * Return: Void. */ void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn); /** * qed_cxt_hw_init_pf(): Initailze ILT and DQ, PF phase, per path. * * @p_hwfn: HW device data. * @p_ptt: P_ptt. * * Return: Void. */ void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * qed_qm_init_pf(): Initailze the QM PF phase, per path. * * @p_hwfn: HW device data. * @p_ptt: P_ptt. * @is_pf_loading: Is pf pending. * * Return: Void. */ void qed_qm_init_pf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, bool is_pf_loading); /** * qed_qm_reconf(): Reconfigures QM pf on the fly. * * @p_hwfn: HW device data. * @p_ptt: P_ptt. * * Return: Int. */ int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); #define QED_CXT_PF_CID … /** * qed_cxt_release_cid(): Release a cid. * * @p_hwfn: HW device data. * @cid: Cid. * * Return: Void. */ void qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid); /** * _qed_cxt_release_cid(): Release a cid belonging to a vf-queue. * * @p_hwfn: HW device data. * @cid: Cid. * @vfid: Engine relative index. QED_CXT_PF_CID if belongs to PF. * * Return: Void. */ void _qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid, u8 vfid); /** * qed_cxt_acquire_cid(): Acquire a new cid of a specific protocol type. * * @p_hwfn: HW device data. * @type: Type. * @p_cid: Pointer cid. * * Return: Int. */ int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn, enum protocol_type type, u32 *p_cid); /** * _qed_cxt_acquire_cid(): Acquire a new cid of a specific protocol type * for a vf-queue. * * @p_hwfn: HW device data. * @type: Type. * @p_cid: Pointer cid. * @vfid: Engine relative index. QED_CXT_PF_CID if belongs to PF. * * Return: Int. */ int _qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn, enum protocol_type type, u32 *p_cid, u8 vfid); int qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn, enum qed_cxt_elem_type elem_type, u32 iid); u32 qed_cxt_get_proto_tid_count(struct qed_hwfn *p_hwfn, enum protocol_type type); u32 qed_cxt_get_proto_cid_start(struct qed_hwfn *p_hwfn, enum protocol_type type); int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto); #define QED_CTX_WORKING_MEM … #define QED_CTX_FL_MEM … int qed_cxt_get_task_ctx(struct qed_hwfn *p_hwfn, u32 tid, u8 ctx_type, void **task_ctx); /* Max number of connection types in HW (DQ/CDU etc.) */ #define MAX_CONN_TYPES … #define NUM_TASK_TYPES … #define NUM_TASK_PF_SEGMENTS … #define NUM_TASK_VF_SEGMENTS … /* PF per protocl configuration object */ #define TASK_SEGMENTS … #define TASK_SEGMENT_VF … struct qed_tid_seg { … }; struct qed_conn_type_cfg { … }; /* ILT Client configuration, * Per connection type (protocol) resources (cids, tis, vf cids etc.) * 1 - for connection context (CDUC) and for each task context we need two * values, for regular task context and for force load memory */ #define ILT_CLI_PF_BLOCKS … #define ILT_CLI_VF_BLOCKS … #define CDUC_BLK … #define SRQ_BLK … #define CDUT_SEG_BLK(n) … #define CDUT_FL_SEG_BLK(n, X) … struct ilt_cfg_pair { … }; struct qed_ilt_cli_blk { … }; struct qed_ilt_client_cfg { … }; struct qed_cid_acquired_map { … }; struct qed_src_t2 { … }; struct qed_cxt_mngr { … }; u16 qed_get_cdut_num_pf_init_pages(struct qed_hwfn *p_hwfn); u16 qed_get_cdut_num_vf_init_pages(struct qed_hwfn *p_hwfn); u16 qed_get_cdut_num_pf_work_pages(struct qed_hwfn *p_hwfn); u16 qed_get_cdut_num_vf_work_pages(struct qed_hwfn *p_hwfn); u32 qed_cxt_get_ilt_page_size(struct qed_hwfn *p_hwfn, enum ilt_clients ilt_client); u32 qed_cxt_get_total_srq_count(struct qed_hwfn *p_hwfn); #endif
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