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352 lines
7.9 KiB
352 lines
7.9 KiB
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */ |
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/* QLogic qed NIC Driver |
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* Copyright (c) 2015-2017 QLogic Corporation |
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* Copyright (c) 2019-2020 Marvell International Ltd. |
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*/ |
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#ifndef _QED_CXT_H |
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#define _QED_CXT_H |
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#include <linux/types.h> |
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#include <linux/slab.h> |
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#include <linux/qed/qed_if.h> |
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#include "qed_hsi.h" |
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#include "qed.h" |
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struct qed_cxt_info { |
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void *p_cxt; |
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u32 iid; |
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enum protocol_type type; |
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}; |
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#define MAX_TID_BLOCKS 512 |
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struct qed_tid_mem { |
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u32 tid_size; |
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u32 num_tids_per_block; |
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u32 waste; |
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u8 *blocks[MAX_TID_BLOCKS]; /* 4K */ |
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}; |
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/** |
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* @brief qedo_cid_get_cxt_info - Returns the context info for a specific cid |
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* |
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* |
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* @param p_hwfn |
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* @param p_info in/out |
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* |
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* @return int |
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*/ |
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int qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn, |
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struct qed_cxt_info *p_info); |
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/** |
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* @brief qed_cxt_get_tid_mem_info |
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* |
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* @param p_hwfn |
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* @param p_info |
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* |
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* @return int |
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*/ |
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int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn, |
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struct qed_tid_mem *p_info); |
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#define QED_CXT_TCP_ULP_TID_SEG PROTOCOLID_TCP_ULP |
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#define QED_CXT_ROCE_TID_SEG PROTOCOLID_ROCE |
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#define QED_CXT_FCOE_TID_SEG PROTOCOLID_FCOE |
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enum qed_cxt_elem_type { |
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QED_ELEM_CXT, |
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QED_ELEM_SRQ, |
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QED_ELEM_TASK, |
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QED_ELEM_XRC_SRQ, |
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}; |
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u32 qed_cxt_get_proto_cid_count(struct qed_hwfn *p_hwfn, |
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enum protocol_type type, u32 *vf_cid); |
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/** |
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* @brief qed_cxt_set_pf_params - Set the PF params for cxt init |
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* |
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* @param p_hwfn |
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* @param rdma_tasks - requested maximum |
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* @return int |
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*/ |
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int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn, u32 rdma_tasks); |
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/** |
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* @brief qed_cxt_cfg_ilt_compute - compute ILT init parameters |
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* |
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* @param p_hwfn |
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* @param last_line |
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* |
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* @return int |
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*/ |
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int qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn, u32 *last_line); |
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/** |
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* @brief qed_cxt_cfg_ilt_compute_excess - how many lines can be decreased |
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* |
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* @param p_hwfn |
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* @param used_lines |
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*/ |
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u32 qed_cxt_cfg_ilt_compute_excess(struct qed_hwfn *p_hwfn, u32 used_lines); |
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/** |
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* @brief qed_cxt_mngr_alloc - Allocate and init the context manager struct |
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* |
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* @param p_hwfn |
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* |
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* @return int |
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*/ |
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int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn); |
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/** |
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* @brief qed_cxt_mngr_free |
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* |
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* @param p_hwfn |
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*/ |
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void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn); |
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/** |
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* @brief qed_cxt_tables_alloc - Allocate ILT shadow, Searcher T2, acquired map |
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* |
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* @param p_hwfn |
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* |
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* @return int |
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*/ |
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int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn); |
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/** |
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* @brief qed_cxt_mngr_setup - Reset the acquired CIDs |
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* |
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* @param p_hwfn |
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*/ |
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void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn); |
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/** |
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* @brief qed_cxt_hw_init_common - Initailze ILT and DQ, common phase, per path. |
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* |
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* |
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* |
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* @param p_hwfn |
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*/ |
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void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn); |
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/** |
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* @brief qed_cxt_hw_init_pf - Initailze ILT and DQ, PF phase, per path. |
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* |
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* @param p_hwfn |
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* @param p_ptt |
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*/ |
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void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); |
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/** |
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* @brief qed_qm_init_pf - Initailze the QM PF phase, per path |
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* |
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* @param p_hwfn |
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* @param p_ptt |
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* @param is_pf_loading |
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*/ |
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void qed_qm_init_pf(struct qed_hwfn *p_hwfn, |
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struct qed_ptt *p_ptt, bool is_pf_loading); |
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/** |
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* @brief Reconfigures QM pf on the fly |
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* |
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* @param p_hwfn |
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* @param p_ptt |
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* |
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* @return int |
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*/ |
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int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); |
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#define QED_CXT_PF_CID (0xff) |
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/** |
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* @brief qed_cxt_release - Release a cid |
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* |
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* @param p_hwfn |
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* @param cid |
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*/ |
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void qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid); |
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/** |
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* @brief qed_cxt_release - Release a cid belonging to a vf-queue |
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* |
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* @param p_hwfn |
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* @param cid |
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* @param vfid - engine relative index. QED_CXT_PF_CID if belongs to PF |
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*/ |
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void _qed_cxt_release_cid(struct qed_hwfn *p_hwfn, u32 cid, u8 vfid); |
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/** |
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* @brief qed_cxt_acquire - Acquire a new cid of a specific protocol type |
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* |
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* @param p_hwfn |
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* @param type |
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* @param p_cid |
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* |
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* @return int |
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*/ |
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int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn, |
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enum protocol_type type, u32 *p_cid); |
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/** |
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* @brief _qed_cxt_acquire - Acquire a new cid of a specific protocol type |
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* for a vf-queue |
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* |
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* @param p_hwfn |
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* @param type |
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* @param p_cid |
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* @param vfid - engine relative index. QED_CXT_PF_CID if belongs to PF |
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* |
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* @return int |
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*/ |
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int _qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn, |
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enum protocol_type type, u32 *p_cid, u8 vfid); |
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int qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn, |
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enum qed_cxt_elem_type elem_type, u32 iid); |
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u32 qed_cxt_get_proto_tid_count(struct qed_hwfn *p_hwfn, |
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enum protocol_type type); |
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u32 qed_cxt_get_proto_cid_start(struct qed_hwfn *p_hwfn, |
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enum protocol_type type); |
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int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto); |
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#define QED_CTX_WORKING_MEM 0 |
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#define QED_CTX_FL_MEM 1 |
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int qed_cxt_get_task_ctx(struct qed_hwfn *p_hwfn, |
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u32 tid, u8 ctx_type, void **task_ctx); |
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/* Max number of connection types in HW (DQ/CDU etc.) */ |
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#define MAX_CONN_TYPES PROTOCOLID_COMMON |
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#define NUM_TASK_TYPES 2 |
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#define NUM_TASK_PF_SEGMENTS 4 |
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#define NUM_TASK_VF_SEGMENTS 1 |
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/* PF per protocl configuration object */ |
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#define TASK_SEGMENTS (NUM_TASK_PF_SEGMENTS + NUM_TASK_VF_SEGMENTS) |
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#define TASK_SEGMENT_VF (NUM_TASK_PF_SEGMENTS) |
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struct qed_tid_seg { |
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u32 count; |
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u8 type; |
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bool has_fl_mem; |
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}; |
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struct qed_conn_type_cfg { |
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u32 cid_count; |
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u32 cids_per_vf; |
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struct qed_tid_seg tid_seg[TASK_SEGMENTS]; |
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}; |
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/* ILT Client configuration, |
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* Per connection type (protocol) resources (cids, tis, vf cids etc.) |
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* 1 - for connection context (CDUC) and for each task context we need two |
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* values, for regular task context and for force load memory |
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*/ |
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#define ILT_CLI_PF_BLOCKS (1 + NUM_TASK_PF_SEGMENTS * 2) |
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#define ILT_CLI_VF_BLOCKS (1 + NUM_TASK_VF_SEGMENTS * 2) |
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#define CDUC_BLK (0) |
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#define SRQ_BLK (0) |
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#define CDUT_SEG_BLK(n) (1 + (u8)(n)) |
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#define CDUT_FL_SEG_BLK(n, X) (1 + (n) + NUM_TASK_ ## X ## _SEGMENTS) |
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struct ilt_cfg_pair { |
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u32 reg; |
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u32 val; |
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}; |
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struct qed_ilt_cli_blk { |
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u32 total_size; /* 0 means not active */ |
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u32 real_size_in_page; |
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u32 start_line; |
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u32 dynamic_line_offset; |
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u32 dynamic_line_cnt; |
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}; |
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struct qed_ilt_client_cfg { |
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bool active; |
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/* ILT boundaries */ |
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struct ilt_cfg_pair first; |
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struct ilt_cfg_pair last; |
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struct ilt_cfg_pair p_size; |
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/* ILT client blocks for PF */ |
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struct qed_ilt_cli_blk pf_blks[ILT_CLI_PF_BLOCKS]; |
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u32 pf_total_lines; |
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/* ILT client blocks for VFs */ |
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struct qed_ilt_cli_blk vf_blks[ILT_CLI_VF_BLOCKS]; |
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u32 vf_total_lines; |
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}; |
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struct qed_cid_acquired_map { |
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u32 start_cid; |
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u32 max_count; |
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unsigned long *cid_map; |
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}; |
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struct qed_src_t2 { |
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struct phys_mem_desc *dma_mem; |
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u32 num_pages; |
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u64 first_free; |
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u64 last_free; |
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}; |
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struct qed_cxt_mngr { |
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/* Per protocl configuration */ |
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struct qed_conn_type_cfg conn_cfg[MAX_CONN_TYPES]; |
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/* computed ILT structure */ |
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struct qed_ilt_client_cfg clients[MAX_ILT_CLIENTS]; |
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/* Task type sizes */ |
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u32 task_type_size[NUM_TASK_TYPES]; |
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/* total number of VFs for this hwfn - |
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* ALL VFs are symmetric in terms of HW resources |
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*/ |
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u32 vf_count; |
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u32 first_vf_in_pf; |
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/* Acquired CIDs */ |
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struct qed_cid_acquired_map acquired[MAX_CONN_TYPES]; |
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struct qed_cid_acquired_map |
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acquired_vf[MAX_CONN_TYPES][MAX_NUM_VFS]; |
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/* ILT shadow table */ |
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struct phys_mem_desc *ilt_shadow; |
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u32 ilt_shadow_size; |
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u32 pf_start_line; |
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/* Mutex for a dynamic ILT allocation */ |
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struct mutex mutex; |
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/* SRC T2 */ |
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struct qed_src_t2 src_t2; |
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/* total number of SRQ's for this hwfn */ |
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u32 srq_count; |
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u32 xrc_srq_count; |
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/* Maximal number of L2 steering filters */ |
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u32 arfs_count; |
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u8 task_type_id; |
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u16 task_ctx_size; |
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u16 conn_ctx_size; |
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}; |
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u16 qed_get_cdut_num_pf_init_pages(struct qed_hwfn *p_hwfn); |
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u16 qed_get_cdut_num_vf_init_pages(struct qed_hwfn *p_hwfn); |
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u16 qed_get_cdut_num_pf_work_pages(struct qed_hwfn *p_hwfn); |
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u16 qed_get_cdut_num_vf_work_pages(struct qed_hwfn *p_hwfn); |
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u32 qed_cxt_get_ilt_page_size(struct qed_hwfn *p_hwfn, |
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enum ilt_clients ilt_client); |
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u32 qed_cxt_get_total_srq_count(struct qed_hwfn *p_hwfn); |
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#endif
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