/* 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 0 x1
#define DMAE_COMPLETION_VAL 0 xD1AE
#define DMAE_CMD_ENDIANITY 0 x2
#define DMAE_CMD_SIZE 14
#define DMAE_CMD_SIZE_TO_FILL (DMAE_CMD_SIZE - 5 )
#define DMAE_MIN_WAIT_TIME 0 x2
#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_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
Messung V0.5 in Prozent C=98 H=93 G=95
¤ Dauer der Verarbeitung: 0.15 Sekunden
(vorverarbeitet am 2026-10-12)
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