diff options
Diffstat (limited to 'drivers/net/ethernet/qlogic/qed/qed_hw.h')
| -rw-r--r-- | drivers/net/ethernet/qlogic/qed/qed_hw.h | 336 |
1 files changed, 336 insertions, 0 deletions
diff --git a/drivers/net/ethernet/qlogic/qed/qed_hw.h b/drivers/net/ethernet/qlogic/qed/qed_hw.h new file mode 100644 index 0000000000..e535983ce2 --- /dev/null +++ b/drivers/net/ethernet/qlogic/qed/qed_hw.h @@ -0,0 +1,336 @@ +/* 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 { + RESERVED_PTT_EDIAG, + RESERVED_PTT_USER_SPACE, + RESERVED_PTT_MAIN, + RESERVED_PTT_DPC, + RESERVED_PTT_MAX +}; + +enum _dmae_cmd_dst_mask { + DMAE_CMD_DST_MASK_NONE = 0, + DMAE_CMD_DST_MASK_PCIE = 1, + DMAE_CMD_DST_MASK_GRC = 2 +}; + +enum _dmae_cmd_src_mask { + DMAE_CMD_SRC_MASK_PCIE = 0, + DMAE_CMD_SRC_MASK_GRC = 1 +}; + +enum _dmae_cmd_crc_mask { + DMAE_CMD_COMP_CRC_EN_MASK_NONE = 0, + DMAE_CMD_COMP_CRC_EN_MASK_SET = 1 +}; + +/* definitions for DMA constants */ +#define DMAE_GO_VALUE 0x1 + +#define DMAE_COMPLETION_VAL 0xD1AE +#define DMAE_CMD_ENDIANITY 0x2 + +#define DMAE_CMD_SIZE 14 +#define DMAE_CMD_SIZE_TO_FILL (DMAE_CMD_SIZE - 5) +#define DMAE_MIN_WAIT_TIME 0x2 +#define DMAE_MAX_CLIENTS 32 + +/** + * 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); + +union qed_qm_pq_params { + struct { + u8 q_idx; + } iscsi; + + struct { + u8 tc; + } core; + + struct { + u8 is_vf; + u8 vf_id; + u8 tc; + } eth; + + struct { + u8 dcqcn; + u8 qpid; /* roce relative */ + } roce; +}; + +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 256 + +/** + * 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 |