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/*
* Copyright (c) 2016 QLogic Corporation.
* All rights reserved.
* www.qlogic.com
*
* See LICENSE.qede_pmd for copyright and licensing details.
*/
#ifndef __ECORE_CXT_API_H__
#define __ECORE_CXT_API_H__
struct ecore_hwfn;
struct ecore_cxt_info {
void *p_cxt;
u32 iid;
enum protocol_type type;
};
#define MAX_TID_BLOCKS 512
struct ecore_tid_mem {
u32 tid_size;
u32 num_tids_per_block;
u32 waste;
u8 *blocks[MAX_TID_BLOCKS]; /* 4K */
};
static OSAL_INLINE void *get_task_mem(struct ecore_tid_mem *info, u32 tid)
{
/* note: waste is superfluous */
return (void *)(info->blocks[tid / info->num_tids_per_block] +
(tid % info->num_tids_per_block) * info->tid_size);
/* more elaborate alternative with no modulo
* u32 mask = info->tid_size * info->num_tids_per_block +
* info->waste - 1;
* u32 index = tid / info->num_tids_per_block;
* u32 offset = tid * info->tid_size + index * info->waste;
* return (void *)(blocks[index] + (offset & mask));
*/
}
/**
* @brief ecore_cxt_acquire - Acquire a new cid of a specific protocol type
*
* @param p_hwfn
* @param type
* @param p_cid
*
* @return enum _ecore_status_t
*/
enum _ecore_status_t ecore_cxt_acquire_cid(struct ecore_hwfn *p_hwfn,
enum protocol_type type,
u32 *p_cid);
/**
* @brief ecoreo_cid_get_cxt_info - Returns the context info for a specific cid
*
*
* @param p_hwfn
* @param p_info in/out
*
* @return enum _ecore_status_t
*/
enum _ecore_status_t ecore_cxt_get_cid_info(struct ecore_hwfn *p_hwfn,
struct ecore_cxt_info *p_info);
/**
* @brief ecore_cxt_get_tid_mem_info
*
* @param p_hwfn
* @param p_info
*
* @return enum _ecore_status_t
*/
enum _ecore_status_t ecore_cxt_get_tid_mem_info(struct ecore_hwfn *p_hwfn,
struct ecore_tid_mem *p_info);
#endif
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