/* 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_HW_H #define _QED_HW_H #include <linux/types.h> #include <linux/bitops.h> #include <linux/slab.h> #include <linux/string.h> #include "qed.h" #include "qed_dev_api.h" /* Forward decleration */ struct qed_ptt; enum reserved_ptts { … }; enum _dmae_cmd_dst_mask { … }; enum _dmae_cmd_src_mask { … }; enum _dmae_cmd_crc_mask { … }; /* definitions for DMA constants */ #define DMAE_GO_VALUE … #define DMAE_COMPLETION_VAL … #define DMAE_CMD_ENDIANITY … #define DMAE_CMD_SIZE … #define DMAE_CMD_SIZE_TO_FILL … #define DMAE_MIN_WAIT_TIME … #define DMAE_MAX_CLIENTS … /** * qed_gtt_init(): Initialize GTT windows. * * @p_hwfn: HW device data. * * Return: Void. */ void qed_gtt_init(struct qed_hwfn *p_hwfn); /** * qed_ptt_invalidate(): Forces all ptt entries to be re-configured * * @p_hwfn: HW device data. * * Return: Void. */ void qed_ptt_invalidate(struct qed_hwfn *p_hwfn); /** * qed_ptt_pool_alloc(): Allocate and initialize PTT pool. * * @p_hwfn: HW device data. * * Return: struct _qed_status - success (0), negative - error. */ int qed_ptt_pool_alloc(struct qed_hwfn *p_hwfn); /** * qed_ptt_pool_free(): Free PTT pool. * * @p_hwfn: HW device data. * * Return: Void. */ void qed_ptt_pool_free(struct qed_hwfn *p_hwfn); /** * qed_ptt_get_hw_addr(): Get PTT's GRC/HW address. * * @p_hwfn: HW device data. * @p_ptt: P_ptt * * Return: u32. */ u32 qed_ptt_get_hw_addr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * qed_ptt_get_bar_addr(): Get PPT's external BAR address. * * @p_ptt: P_ptt * * Return: u32. */ u32 qed_ptt_get_bar_addr(struct qed_ptt *p_ptt); /** * qed_ptt_set_win(): Set PTT Window's GRC BAR address * * @p_hwfn: HW device data. * @new_hw_addr: New HW address. * @p_ptt: P_Ptt * * Return: Void. */ void qed_ptt_set_win(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 new_hw_addr); /** * qed_get_reserved_ptt(): Get a specific reserved PTT. * * @p_hwfn: HW device data. * @ptt_idx: Ptt Index. * * Return: struct qed_ptt *. */ struct qed_ptt *qed_get_reserved_ptt(struct qed_hwfn *p_hwfn, enum reserved_ptts ptt_idx); /** * qed_wr(): Write value to BAR using the given ptt. * * @p_hwfn: HW device data. * @p_ptt: P_ptt. * @val: Val. * @hw_addr: HW address * * Return: Void. */ void qed_wr(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 hw_addr, u32 val); /** * qed_rd(): Read value from BAR using the given ptt. * * @p_hwfn: HW device data. * @p_ptt: P_ptt. * @hw_addr: HW address * * Return: Void. */ u32 qed_rd(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 hw_addr); /** * qed_memcpy_from(): Copy n bytes from BAR using the given ptt. * * @p_hwfn: HW device data. * @p_ptt: P_ptt. * @dest: Destination. * @hw_addr: HW address. * @n: N * * Return: Void. */ void qed_memcpy_from(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, void *dest, u32 hw_addr, size_t n); /** * qed_memcpy_to(): Copy n bytes to BAR using the given ptt * * @p_hwfn: HW device data. * @p_ptt: P_ptt. * @hw_addr: HW address. * @src: Source. * @n: N * * Return: Void. */ void qed_memcpy_to(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u32 hw_addr, void *src, size_t n); /** * qed_fid_pretend(): pretend to another function when * accessing the ptt window. There is no way to unpretend * a function. The only way to cancel a pretend is to * pretend back to the original function. * * @p_hwfn: HW device data. * @p_ptt: P_ptt. * @fid: fid field of pxp_pretend structure. Can contain * either pf / vf, port/path fields are don't care. * * Return: Void. */ void qed_fid_pretend(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u16 fid); /** * qed_port_pretend(): Pretend to another port when accessing the ptt window * * @p_hwfn: HW device data. * @p_ptt: P_ptt. * @port_id: The port to pretend to * * Return: Void. */ void qed_port_pretend(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 port_id); /** * qed_port_unpretend(): Cancel any previously set port pretend * * @p_hwfn: HW device data. * @p_ptt: P_ptt. * * Return: Void. */ void qed_port_unpretend(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt); /** * qed_port_fid_pretend(): Pretend to another port and another function * when accessing the ptt window * * @p_hwfn: HW device data. * @p_ptt: P_ptt. * @port_id: The port to pretend to * @fid: fid field of pxp_pretend structure. Can contain either pf / vf. * * Return: Void. */ void qed_port_fid_pretend(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, u8 port_id, u16 fid); /** * qed_vfid_to_concrete(): Build a concrete FID for a given VF ID * * @p_hwfn: HW device data. * @vfid: VFID. * * Return: Void. */ u32 qed_vfid_to_concrete(struct qed_hwfn *p_hwfn, u8 vfid); /** * qed_dmae_idx_to_go_cmd(): Map the idx to dmae cmd * this is declared here since other files will require it. * * @idx: Index * * Return: Void. */ u32 qed_dmae_idx_to_go_cmd(u8 idx); /** * qed_dmae_info_alloc(): Init the dmae_info structure * which is part of p_hwfn. * * @p_hwfn: HW device data. * * Return: Int. */ int qed_dmae_info_alloc(struct qed_hwfn *p_hwfn); /** * qed_dmae_info_free(): Free the dmae_info structure * which is part of p_hwfn. * * @p_hwfn: HW device data. * * Return: Void. */ void qed_dmae_info_free(struct qed_hwfn *p_hwfn); qed_qm_pq_params; int qed_init_fw_data(struct qed_dev *cdev, const u8 *fw_data); int qed_dmae_sanity(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, const char *phase); #define QED_HW_ERR_MAX_STR_SIZE … /** * qed_hw_err_notify(): Notify upper layer driver and management FW * about a HW error. * * @p_hwfn: HW device data. * @p_ptt: P_ptt. * @err_type: Err Type. * @fmt: Debug data buffer to send to the MFW * @...: buffer format args * * Return void. */ void __printf(4, 5) __cold qed_hw_err_notify(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt, enum qed_hw_err_type err_type, const char *fmt, ...); #endif
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