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/* QLogic qed NIC Driver
* Copyright (c) 2015 QLogic Corporation
*
* This software is available under the terms of the GNU General Public License
* (GPL) Version 2, available from the file COPYING in the main directory of
* this source tree.
*/
#ifndef _QED_CXT_H
#define _QED_CXT_H
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/qed/qed_if.h>
#include "qed_hsi.h"
#include "qed.h"
struct qed_cxt_info {
void *p_cxt;
u32 iid;
enum protocol_type type;
};
#define MAX_TID_BLOCKS 512
struct qed_tid_mem {
u32 tid_size;
u32 num_tids_per_block;
u32 waste;
u8 *blocks[MAX_TID_BLOCKS]; /* 4K */
};
/**
* @brief qed_cxt_acquire - Acquire a new cid of a specific protocol type
*
* @param p_hwfn
* @param type
* @param p_cid
*
* @return int
*/
int qed_cxt_acquire_cid(struct qed_hwfn *p_hwfn,
enum protocol_type type,
u32 *p_cid);
/**
* @brief qedo_cid_get_cxt_info - Returns the context info for a specific cid
*
*
* @param p_hwfn
* @param p_info in/out
*
* @return int
*/
int qed_cxt_get_cid_info(struct qed_hwfn *p_hwfn,
struct qed_cxt_info *p_info);
/**
* @brief qed_cxt_get_tid_mem_info
*
* @param p_hwfn
* @param p_info
*
* @return int
*/
int qed_cxt_get_tid_mem_info(struct qed_hwfn *p_hwfn,
struct qed_tid_mem *p_info);
#define QED_CXT_ISCSI_TID_SEG PROTOCOLID_ISCSI
#define QED_CXT_ROCE_TID_SEG PROTOCOLID_ROCE
enum qed_cxt_elem_type {
QED_ELEM_CXT,
QED_ELEM_SRQ,
QED_ELEM_TASK
};
u32 qed_cxt_get_proto_cid_count(struct qed_hwfn *p_hwfn,
enum protocol_type type, u32 *vf_cid);
/**
* @brief qed_cxt_set_pf_params - Set the PF params for cxt init
*
* @param p_hwfn
*
* @return int
*/
int qed_cxt_set_pf_params(struct qed_hwfn *p_hwfn);
/**
* @brief qed_cxt_cfg_ilt_compute - compute ILT init parameters
*
* @param p_hwfn
*
* @return int
*/
int qed_cxt_cfg_ilt_compute(struct qed_hwfn *p_hwfn);
/**
* @brief qed_cxt_mngr_alloc - Allocate and init the context manager struct
*
* @param p_hwfn
*
* @return int
*/
int qed_cxt_mngr_alloc(struct qed_hwfn *p_hwfn);
/**
* @brief qed_cxt_mngr_free
*
* @param p_hwfn
*/
void qed_cxt_mngr_free(struct qed_hwfn *p_hwfn);
/**
* @brief qed_cxt_tables_alloc - Allocate ILT shadow, Searcher T2, acquired map
*
* @param p_hwfn
*
* @return int
*/
int qed_cxt_tables_alloc(struct qed_hwfn *p_hwfn);
/**
* @brief qed_cxt_mngr_setup - Reset the acquired CIDs
*
* @param p_hwfn
*/
void qed_cxt_mngr_setup(struct qed_hwfn *p_hwfn);
/**
* @brief qed_cxt_hw_init_common - Initailze ILT and DQ, common phase, per path.
*
*
*
* @param p_hwfn
*/
void qed_cxt_hw_init_common(struct qed_hwfn *p_hwfn);
/**
* @brief qed_cxt_hw_init_pf - Initailze ILT and DQ, PF phase, per path.
*
*
*
* @param p_hwfn
*/
void qed_cxt_hw_init_pf(struct qed_hwfn *p_hwfn);
/**
* @brief qed_qm_init_pf - Initailze the QM PF phase, per path
*
* @param p_hwfn
*/
void qed_qm_init_pf(struct qed_hwfn *p_hwfn);
/**
* @brief Reconfigures QM pf on the fly
*
* @param p_hwfn
* @param p_ptt
*
* @return int
*/
int qed_qm_reconf(struct qed_hwfn *p_hwfn, struct qed_ptt *p_ptt);
/**
* @brief qed_cxt_release - Release a cid
*
* @param p_hwfn
* @param cid
*/
void qed_cxt_release_cid(struct qed_hwfn *p_hwfn,
u32 cid);
int qed_cxt_dynamic_ilt_alloc(struct qed_hwfn *p_hwfn,
enum qed_cxt_elem_type elem_type, u32 iid);
u32 qed_cxt_get_proto_tid_count(struct qed_hwfn *p_hwfn,
enum protocol_type type);
u32 qed_cxt_get_proto_cid_start(struct qed_hwfn *p_hwfn,
enum protocol_type type);
int qed_cxt_free_proto_ilt(struct qed_hwfn *p_hwfn, enum protocol_type proto);
#define QED_CTX_WORKING_MEM 0
#define QED_CTX_FL_MEM 1
#endif
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