numam-dpdk/drivers/net/qede/base/ecore_spq.h
Joyce Kong 5018f1fc5f net/qede: use common bit operations API
Remove its own bit operation APIs and use the common one,
this can reduce the code duplication largely.

Signed-off-by: Joyce Kong <joyce.kong@arm.com>
Reviewed-by: Gavin Hu <gavin.hu@arm.com>
2020-06-16 14:34:42 +02:00

314 lines
7.5 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright (c) 2016 - 2018 Cavium Inc.
* All rights reserved.
* www.cavium.com
*/
#ifndef __ECORE_SPQ_H__
#define __ECORE_SPQ_H__
#include "ecore_hsi_common.h"
#include "ecore_status.h"
#include "ecore_hsi_eth.h"
#include "ecore_chain.h"
#include "ecore_sp_api.h"
union ramrod_data {
struct pf_start_ramrod_data pf_start;
struct pf_update_ramrod_data pf_update;
struct rl_update_ramrod_data rl_update;
struct rx_queue_start_ramrod_data rx_queue_start;
struct rx_queue_update_ramrod_data rx_queue_update;
struct rx_queue_stop_ramrod_data rx_queue_stop;
struct tx_queue_start_ramrod_data tx_queue_start;
struct tx_queue_stop_ramrod_data tx_queue_stop;
struct vport_start_ramrod_data vport_start;
struct vport_stop_ramrod_data vport_stop;
struct rx_update_gft_filter_data rx_update_gft;
struct vport_update_ramrod_data vport_update;
struct core_rx_start_ramrod_data core_rx_queue_start;
struct core_rx_stop_ramrod_data core_rx_queue_stop;
struct core_tx_start_ramrod_data core_tx_queue_start;
struct core_tx_stop_ramrod_data core_tx_queue_stop;
struct vport_filter_update_ramrod_data vport_filter_update;
struct vf_start_ramrod_data vf_start;
struct vf_stop_ramrod_data vf_stop;
};
#define EQ_MAX_CREDIT 0xffffffff
enum spq_priority {
ECORE_SPQ_PRIORITY_NORMAL,
ECORE_SPQ_PRIORITY_HIGH,
};
union ecore_spq_req_comp {
struct ecore_spq_comp_cb cb;
u64 *done_addr;
};
/* SPQ_MODE_EBLOCK */
struct ecore_spq_comp_done {
u64 done;
u8 fw_return_code;
};
struct ecore_spq_entry {
osal_list_entry_t list;
u8 flags;
/* HSI slow path element */
struct slow_path_element elem;
union ramrod_data ramrod;
enum spq_priority priority;
/* pending queue for this entry */
osal_list_t *queue;
enum spq_mode comp_mode;
struct ecore_spq_comp_cb comp_cb;
struct ecore_spq_comp_done comp_done; /* SPQ_MODE_EBLOCK */
};
struct ecore_eq {
struct ecore_chain chain;
u8 eq_sb_index; /* index within the SB */
__le16 *p_fw_cons; /* ptr to index value */
};
struct ecore_consq {
struct ecore_chain chain;
};
typedef enum _ecore_status_t
(*ecore_spq_async_comp_cb)(struct ecore_hwfn *p_hwfn,
u8 opcode,
u16 echo,
union event_ring_data *data,
u8 fw_return_code);
enum _ecore_status_t
ecore_spq_register_async_cb(struct ecore_hwfn *p_hwfn,
enum protocol_type protocol_id,
ecore_spq_async_comp_cb cb);
void
ecore_spq_unregister_async_cb(struct ecore_hwfn *p_hwfn,
enum protocol_type protocol_id);
struct ecore_spq {
osal_spinlock_t lock;
osal_list_t unlimited_pending;
osal_list_t pending;
osal_list_t completion_pending;
osal_list_t free_pool;
struct ecore_chain chain;
/* allocated dma-able memory for spq entries (+ramrod data) */
dma_addr_t p_phys;
struct ecore_spq_entry *p_virt;
/* SPQ max sleep iterations used in __ecore_spq_block() */
u32 block_sleep_max_iter;
/* Bitmap for handling out-of-order completions */
#define SPQ_RING_SIZE \
(CORE_SPQE_PAGE_SIZE_BYTES / sizeof(struct slow_path_element))
/* BITS_PER_LONG */
#define SPQ_COMP_BMAP_SIZE (SPQ_RING_SIZE / (sizeof(u32) * 8))
u32 p_comp_bitmap[SPQ_COMP_BMAP_SIZE];
u8 comp_bitmap_idx;
#define SPQ_COMP_BMAP_SET_BIT(p_spq, idx) \
(OSAL_SET_BIT(((idx) % SPQ_RING_SIZE), (p_spq)->p_comp_bitmap))
#define SPQ_COMP_BMAP_CLEAR_BIT(p_spq, idx) \
(OSAL_CLEAR_BIT(((idx) % SPQ_RING_SIZE), (p_spq)->p_comp_bitmap))
#define SPQ_COMP_BMAP_GET_BIT(p_spq, idx) \
(OSAL_GET_BIT(((idx) % SPQ_RING_SIZE), (p_spq)->p_comp_bitmap))
/* Statistics */
u32 unlimited_pending_count;
u32 normal_count;
u32 high_count;
u32 comp_sent_count;
u32 comp_count;
u32 cid;
u32 db_addr_offset;
struct core_db_data db_data;
ecore_spq_async_comp_cb async_comp_cb[MAX_PROTOCOL_TYPE];
};
struct ecore_port;
struct ecore_hwfn;
/**
* @brief ecore_set_spq_block_timeout - calculates the maximum sleep
* iterations used in __ecore_spq_block();
*
* @param p_hwfn
* @param spq_timeout_ms
*/
void ecore_set_spq_block_timeout(struct ecore_hwfn *p_hwfn,
u32 spq_timeout_ms);
/**
* @brief ecore_spq_post - Posts a Slow hwfn request to FW, or lacking that
* Pends it to the future list.
*
* @param p_hwfn
* @param p_req
*
* @return enum _ecore_status_t
*/
enum _ecore_status_t ecore_spq_post(struct ecore_hwfn *p_hwfn,
struct ecore_spq_entry *p_ent,
u8 *fw_return_code);
/**
* @brief ecore_spq_allocate - Alloocates & initializes the SPQ and EQ.
*
* @param p_hwfn
*
* @return enum _ecore_status_t
*/
enum _ecore_status_t ecore_spq_alloc(struct ecore_hwfn *p_hwfn);
/**
* @brief ecore_spq_setup - Reset the SPQ to its start state.
*
* @param p_hwfn
*/
void ecore_spq_setup(struct ecore_hwfn *p_hwfn);
/**
* @brief ecore_spq_deallocate - Deallocates the given SPQ struct.
*
* @param p_hwfn
*/
void ecore_spq_free(struct ecore_hwfn *p_hwfn);
/**
* @brief ecore_spq_get_entry - Obtain an entrry from the spq
* free pool list.
*
*
*
* @param p_hwfn
* @param pp_ent
*
* @return enum _ecore_status_t
*/
enum _ecore_status_t
ecore_spq_get_entry(struct ecore_hwfn *p_hwfn,
struct ecore_spq_entry **pp_ent);
/**
* @brief ecore_spq_return_entry - Return an entry to spq free
* pool list
*
* @param p_hwfn
* @param p_ent
*/
void ecore_spq_return_entry(struct ecore_hwfn *p_hwfn,
struct ecore_spq_entry *p_ent);
/**
* @brief ecore_eq_allocate - Allocates & initializes an EQ struct
*
* @param p_hwfn
* @param num_elem number of elements in the eq
*
* @return enum _ecore_status_t
*/
enum _ecore_status_t ecore_eq_alloc(struct ecore_hwfn *p_hwfn, u16 num_elem);
/**
* @brief ecore_eq_setup - Reset the EQ to its start state.
*
* @param p_hwfn
*/
void ecore_eq_setup(struct ecore_hwfn *p_hwfn);
/**
* @brief ecore_eq_free - deallocates the given EQ struct.
*
* @param p_hwfn
*/
void ecore_eq_free(struct ecore_hwfn *p_hwfn);
/**
* @brief ecore_eq_prod_update - update the FW with default EQ producer
*
* @param p_hwfn
* @param prod
*/
void ecore_eq_prod_update(struct ecore_hwfn *p_hwfn,
u16 prod);
/**
* @brief ecore_eq_completion - Completes currently pending EQ elements
*
* @param p_hwfn
* @param cookie
*
* @return enum _ecore_status_t
*/
enum _ecore_status_t ecore_eq_completion(struct ecore_hwfn *p_hwfn,
void *cookie);
/**
* @brief ecore_spq_completion - Completes a single event
*
* @param p_hwfn
* @param echo - echo value from cookie (used for determining completion)
* @param p_data - data from cookie (used in callback function if applicable)
*
* @return enum _ecore_status_t
*/
enum _ecore_status_t ecore_spq_completion(struct ecore_hwfn *p_hwfn,
__le16 echo,
u8 fw_return_code,
union event_ring_data *p_data);
/**
* @brief ecore_spq_get_cid - Given p_hwfn, return cid for the hwfn's SPQ
*
* @param p_hwfn
*
* @return u32 - SPQ CID
*/
u32 ecore_spq_get_cid(struct ecore_hwfn *p_hwfn);
/**
* @brief ecore_consq_alloc - Allocates & initializes an ConsQ struct
*
* @param p_hwfn
*
* @return enum _ecore_status_t
*/
enum _ecore_status_t ecore_consq_alloc(struct ecore_hwfn *p_hwfn);
/**
* @brief ecore_consq_setup - Reset the ConsQ to its start state.
*
* @param p_hwfn
*/
void ecore_consq_setup(struct ecore_hwfn *p_hwfn);
/**
* @brief ecore_consq_free - deallocates the given ConsQ struct.
*
* @param p_hwfn
*/
void ecore_consq_free(struct ecore_hwfn *p_hwfn);
#endif /* __ECORE_SPQ_H__ */