Quelle qed_dev_api.h
Sprache: C
/* 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_DEV_API_H
#define _QED_DEV_API_H
#include <linux/types.h>
#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/qed/qed_chain.h>
#include <linux/qed/qed_if.h>
#include "qed_int.h"
/**
* qed_init_dp ( ) : Initialize the debug level .
*
* @ cdev : Qed dev pointer .
* @ dp_module : Module debug parameter .
* @ dp_level : Module debug level .
*
* Return : Void .
*/
void qed_init_dp(struct qed_dev *cdev,
u32 dp_module,
u8 dp_level);
/**
* qed_init_struct ( ) : Initialize the device structure to
* its defaults .
*
* @ cdev : Qed dev pointer .
*
* Return : Void .
*/
void qed_init_struct(struct qed_dev *cdev);
/**
* qed_resc_free : Free device resources .
*
* @ cdev : Qed dev pointer .
*
* Return : Void .
*/
void qed_resc_free(struct qed_dev *cdev);
/**
* qed_resc_alloc ( ) : Alloc device resources .
*
* @ cdev : Qed dev pointer .
*
* Return : Int .
*/
int qed_resc_alloc(struct qed_dev *cdev);
/**
* qed_resc_setup ( ) : Setup device resources .
*
* @ cdev : Qed dev pointer .
*
* Return : Void .
*/
void qed_resc_setup(struct qed_dev *cdev);
enum qed_override_force_load {
QED_OVERRIDE_FORCE_LOAD_NONE,
QED_OVERRIDE_FORCE_LOAD_ALWAYS,
QED_OVERRIDE_FORCE_LOAD_NEVER,
};
struct qed_drv_load_params {
/* Indicates whether the driver is running over a crash kernel.
* As part of the load request , this will be used for providing the
* driver role to the MFW .
* In case of a crash kernel over PDA - this should be set to false .
*/
bool is_crash_kernel;
/* The timeout value that the MFW should use when locking the engine for
* the driver load process .
* A value of ' 0 ' means the default value , and ' 255 ' means no timeout .
*/
u8 mfw_timeout_val;
#define QED_LOAD_REQ_LOCK_TO_DEFAULT 0
#define QED_LOAD_REQ_LOCK_TO_NONE 255
/* Avoid engine reset when first PF loads on it */
bool avoid_eng_reset;
/* Allow overriding the default force load behavior */
enum qed_override_force_load override_force_load;
};
struct qed_hw_init_params {
/* Tunneling parameters */
struct qed_tunnel_info *p_tunn;
bool b_hw_start;
/* Interrupt mode [msix, inta, etc.] to use */
enum qed_int_mode int_mode;
/* NPAR tx switching to be used for vports for tx-switching */
bool allow_npar_tx_switch;
/* Binary fw data pointer in binary fw file */
const u8 *bin_fw_data;
/* Driver load parameters */
struct qed_drv_load_params *p_drv_load_params;
};
/**
* qed_hw_init ( ) : Init Qed hardware .
*
* @ cdev : Qed dev pointer .
* @ p_params : Pointers to params .
*
* Return : Int .
*/
int qed_hw_init(struct qed_dev *cdev, struct qed_hw_init_params *p_params);
/**
* qed_hw_timers_stop_all ( ) : Stop the timers HW block .
*
* @ cdev : Qed dev pointer .
*
* Return : void .
*/
void qed_hw_timers_stop_all(struct qed_dev *cdev);
/**
* qed_hw_stop ( ) : Stop Qed hardware .
*
* @ cdev : Qed dev pointer .
*
* Return : int .
*/
int qed_hw_stop(struct qed_dev *cdev);
/**
* qed_hw_stop_fastpath ( ) : Should be called incase
* slowpath is still required for the device ,
* but fastpath is not .
*
* @ cdev : Qed dev pointer .
*
* Return : Int .
*/
int qed_hw_stop_fastpath(struct qed_dev *cdev);
/**
* qed_hw_start_fastpath ( ) : Restart fastpath traffic ,
* only if hw_stop_fastpath was called .
*
* @ p_hwfn : HW device data .
*
* Return : Int .
*/
int qed_hw_start_fastpath(struct qed_hwfn *p_hwfn);
/**
* qed_hw_prepare ( ) : Prepare Qed hardware .
*
* @ cdev : Qed dev pointer .
* @ personality : Personality to initialize .
*
* Return : Int .
*/
int qed_hw_prepare(struct qed_dev *cdev,
int personality);
/**
* qed_hw_remove ( ) : Remove Qed hardware .
*
* @ cdev : Qed dev pointer .
*
* Return : Void .
*/
void qed_hw_remove(struct qed_dev *cdev);
/**
* qed_ptt_acquire ( ) : Allocate a PTT window .
*
* @ p_hwfn : HW device data .
*
* Return : struct qed_ptt .
*
* Should be called at the entry point to the driver ( at the beginning of an
* exported function ) .
*/
struct qed_ptt *qed_ptt_acquire(struct qed_hwfn *p_hwfn);
/**
* qed_ptt_acquire_context ( ) : Allocate a PTT window honoring the context
* atomicy .
*
* @ p_hwfn : HW device data .
* @ is_atomic : Hint from the caller - if the func can sleep or not .
*
* Context : The function should not sleep in case is_atomic = = true .
* Return : struct qed_ptt .
*
* Should be called at the entry point to the driver
* ( at the beginning of an exported function ) .
*/
struct qed_ptt *qed_ptt_acquire_context(struct qed_hwfn *p_hwfn,
bool is_atomic);
/**
* qed_ptt_release ( ) : Release PTT Window .
*
* @ p_hwfn : HW device data .
* @ p_ptt : P_ptt .
*
* Return : Void .
*
* Should be called at the end of a flow - at the end of the function that
* acquired the PTT .
*/
void qed_ptt_release(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt);
void qed_reset_vport_stats(struct qed_dev *cdev);
enum qed_dmae_address_type_t {
QED_DMAE_ADDRESS_HOST_VIRT,
QED_DMAE_ADDRESS_HOST_PHYS,
QED_DMAE_ADDRESS_GRC
};
/**
* qed_dmae_host2grc ( ) : Copy data from source addr to
* dmae registers using the given ptt .
*
* @ p_hwfn : HW device data .
* @ p_ptt : P_ptt .
* @ source_addr : Source address .
* @ grc_addr : GRC address ( dmae_data_offset ) .
* @ size_in_dwords : Size .
* @ p_params : ( default parameters will be used in case of NULL ) .
*
* Return : Int .
*/
int
qed_dmae_host2grc(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
u64 source_addr,
u32 grc_addr,
u32 size_in_dwords,
struct qed_dmae_params *p_params);
/**
* qed_dmae_grc2host ( ) : Read data from dmae data offset
* to source address using the given ptt .
*
* @ p_ptt : P_ptt .
* @ grc_addr : GRC address ( dmae_data_offset ) .
* @ dest_addr : Destination Address .
* @ size_in_dwords : Size .
* @ p_params : ( default parameters will be used in case of NULL ) .
*
* Return : Int .
*/
int qed_dmae_grc2host(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt,
u32 grc_addr, dma_addr_t dest_addr, u32 size_in_dwords,
struct qed_dmae_params *p_params);
/**
* qed_dmae_host2host ( ) : Copy data from to source address
* to a destination adrress ( for SRIOV ) using the given
* ptt .
*
* @ p_hwfn : HW device data .
* @ p_ptt : P_ptt .
* @ source_addr : Source address .
* @ dest_addr : Destination address .
* @ size_in_dwords : size .
* @ p_params : ( default parameters will be used in case of NULL ) .
*
* Return : Int .
*/
int qed_dmae_host2host(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt,
dma_addr_t source_addr,
dma_addr_t dest_addr,
u32 size_in_dwords, struct qed_dmae_params *p_params);
int qed_chain_alloc(struct qed_dev *cdev, struct qed_chain *chain,
struct qed_chain_init_params *params);
void qed_chain_free(struct qed_dev *cdev, struct qed_chain *chain);
/**
* qed_fw_l2_queue ( ) : Get absolute L2 queue ID .
*
* @ p_hwfn : HW device data .
* @ src_id : Relative to p_hwfn .
* @ dst_id : Absolute per engine .
*
* Return : Int .
*/
int qed_fw_l2_queue(struct qed_hwfn *p_hwfn,
u16 src_id,
u16 *dst_id);
/**
* qed_fw_vport ( ) : Get absolute vport ID .
*
* @ p_hwfn : HW device data .
* @ src_id : Relative to p_hwfn .
* @ dst_id : Absolute per engine .
*
* Return : Int .
*/
int qed_fw_vport(struct qed_hwfn *p_hwfn,
u8 src_id,
u8 *dst_id);
/**
* qed_fw_rss_eng ( ) : Get absolute RSS engine ID .
*
* @ p_hwfn : HW device data .
* @ src_id : Relative to p_hwfn .
* @ dst_id : Absolute per engine .
*
* Return : Int .
*/
int qed_fw_rss_eng(struct qed_hwfn *p_hwfn,
u8 src_id,
u8 *dst_id);
/**
* qed_llh_get_num_ppfid ( ) : Return the allocated number of LLH filter
* banks that are allocated to the PF .
*
* @ cdev : Qed dev pointer .
*
* Return : u8 Number of LLH filter banks .
*/
u8 qed_llh_get_num_ppfid(struct qed_dev *cdev);
enum qed_eng {
QED_ENG0,
QED_ENG1,
QED_BOTH_ENG,
};
/**
* qed_llh_set_ppfid_affinity ( ) : Set the engine affinity for the given
* LLH filter bank .
*
* @ cdev : Qed dev pointer .
* @ ppfid : Relative within the allocated ppfids ( ' 0 ' is the default one ) .
* @ eng : Engine .
*
* Return : Int .
*/
int qed_llh_set_ppfid_affinity(struct qed_dev *cdev,
u8 ppfid, enum qed_eng eng);
/**
* qed_llh_set_roce_affinity ( ) : Set the RoCE engine affinity .
*
* @ cdev : Qed dev pointer .
* @ eng : Engine .
*
* Return : Int .
*/
int qed_llh_set_roce_affinity(struct qed_dev *cdev, enum qed_eng eng);
/**
* qed_llh_add_mac_filter ( ) : Add a LLH MAC filter into the given filter
* bank .
*
* @ cdev : Qed dev pointer .
* @ ppfid : Relative within the allocated ppfids ( ' 0 ' is the default one ) .
* @ mac_addr : MAC to add .
*
* Return : Int .
*/
int qed_llh_add_mac_filter(struct qed_dev *cdev,
u8 ppfid, const u8 mac_addr[ETH_ALEN]);
/**
* qed_llh_remove_mac_filter ( ) : Remove a LLH MAC filter from the given
* filter bank .
*
* @ cdev : Qed dev pointer .
* @ ppfid : Ppfid .
* @ mac_addr : MAC to remove
*
* Return : Void .
*/
void qed_llh_remove_mac_filter(struct qed_dev *cdev,
u8 ppfid, u8 mac_addr[ETH_ALEN]);
enum qed_llh_prot_filter_type_t {
QED_LLH_FILTER_ETHERTYPE,
QED_LLH_FILTER_TCP_SRC_PORT,
QED_LLH_FILTER_TCP_DEST_PORT,
QED_LLH_FILTER_TCP_SRC_AND_DEST_PORT,
QED_LLH_FILTER_UDP_SRC_PORT,
QED_LLH_FILTER_UDP_DEST_PORT,
QED_LLH_FILTER_UDP_SRC_AND_DEST_PORT
};
/**
* qed_llh_add_protocol_filter ( ) : Add a LLH protocol filter into the
* given filter bank .
*
* @ cdev : Qed dev pointer .
* @ ppfid : Relative within the allocated ppfids ( ' 0 ' is the default one ) .
* @ type : Type of filters and comparing .
* @ source_port_or_eth_type : Source port or ethertype to add .
* @ dest_port : Destination port to add .
*
* Return : Int .
*/
int
qed_llh_add_protocol_filter(struct qed_dev *cdev,
u8 ppfid,
enum qed_llh_prot_filter_type_t type,
u16 source_port_or_eth_type, u16 dest_port);
/**
* qed_llh_remove_protocol_filter ( ) : Remove a LLH protocol filter from
* the given filter bank .
*
* @ cdev : Qed dev pointer .
* @ ppfid : Relative within the allocated ppfids ( ' 0 ' is the default one ) .
* @ type : Type of filters and comparing .
* @ source_port_or_eth_type : Source port or ethertype to add .
* @ dest_port : Destination port to add .
*/
void
qed_llh_remove_protocol_filter(struct qed_dev *cdev,
u8 ppfid,
enum qed_llh_prot_filter_type_t type,
u16 source_port_or_eth_type, u16 dest_port);
/**
* qed_final_cleanup ( ) : Cleanup of previous driver remains prior to load .
*
* @ p_hwfn : HW device data .
* @ p_ptt : P_ptt .
* @ id : For PF , engine - relative . For VF , PF - relative .
* @ is_vf : True iff cleanup is made for a VF .
*
* Return : Int .
*/
int qed_final_cleanup(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt, u16 id, bool is_vf);
/**
* qed_get_queue_coalesce ( ) : Retrieve coalesce value for a given queue .
*
* @ p_hwfn : HW device data .
* @ coal : Store coalesce value read from the hardware .
* @ handle : P_handle .
*
* Return : Int .
**/
int qed_get_queue_coalesce(struct qed_hwfn *p_hwfn, u16 *coal, void *handle);
/**
* qed_set_queue_coalesce ( ) : Configure coalesce parameters for Rx and
* Tx queue . The fact that we can configure coalescing to up to 511 , but on
* varying accuracy [ the bigger the value the less accurate ] up to a mistake
* of 3 usec for the highest values .
* While the API allows setting coalescing per - qid , all queues sharing a SB
* should be in same range [ i . e . , either 0 - 0 x7f , 0 x80 - 0 xff or 0 x100 - 0 x1ff ]
* otherwise configuration would break .
*
* @ rx_coal : Rx Coalesce value in micro seconds .
* @ tx_coal : TX Coalesce value in micro seconds .
* @ p_handle : P_handle .
*
* Return : Int .
**/
int
qed_set_queue_coalesce(u16 rx_coal, u16 tx_coal, void *p_handle);
/**
* qed_pglueb_set_pfid_enable ( ) : Enable or disable PCI BUS MASTER .
*
* @ p_hwfn : HW device data .
* @ p_ptt : P_ptt .
* @ b_enable : True / False .
*
* Return : Int .
*/
int qed_pglueb_set_pfid_enable(struct qed_hwfn *p_hwfn,
struct qed_ptt *p_ptt, bool b_enable);
/**
* qed_db_recovery_add ( ) : add doorbell information to the doorbell
* recovery mechanism .
*
* @ cdev : Qed dev pointer .
* @ db_addr : Doorbell address .
* @ db_data : Address of where db_data is stored .
* @ db_width : Doorbell is 32 b pr 64 b .
* @ db_space : Doorbell recovery addresses are user or kernel space .
*
* Return : Int .
*/
int qed_db_recovery_add(struct qed_dev *cdev,
void __iomem *db_addr,
void *db_data,
enum qed_db_rec_width db_width,
enum qed_db_rec_space db_space);
/**
* qed_db_recovery_del ( ) - remove doorbell information from the doorbell
* recovery mechanism . db_data serves as key ( db_addr is not unique ) .
*
* @ cdev : Qed dev pointer .
* @ db_addr : doorbell address .
* @ db_data : address where db_data is stored . Serves as key for the
* entry to delete .
*
* Return : Int .
*/
int qed_db_recovery_del(struct qed_dev *cdev,
void __iomem *db_addr, void *db_data);
const char *qed_hw_get_resc_name(enum qed_resources res_id);
#endif
Messung V0.5 in Prozent C=93 H=100 G=96
¤ Dauer der Verarbeitung: 0.17 Sekunden
(vorverarbeitet am 2026-10-12)
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*© Formatika GbR, Deutschland
2026-10-11
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