3126df2237
We were using LICENSE.qede_pmd to reference inclusion of SPDX licensing tag from all the source file. Remove the LICENSE.qede_pmd file and directly include SPDX tags in source files. Signed-off-by: Rasesh Mody <rasesh.mody@cavium.com> Acked-by: Hemant Agrawal <hemant.agrawal@nxp.com>
314 lines
7.5 KiB
C
314 lines
7.5 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) 2016 - 2018 Cavium Inc.
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* All rights reserved.
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* www.cavium.com
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*/
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#ifndef __ECORE_SPQ_H__
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#define __ECORE_SPQ_H__
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#include "ecore_hsi_common.h"
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#include "ecore_status.h"
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#include "ecore_hsi_eth.h"
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#include "ecore_chain.h"
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#include "ecore_sp_api.h"
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union ramrod_data {
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struct pf_start_ramrod_data pf_start;
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struct pf_update_ramrod_data pf_update;
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struct rl_update_ramrod_data rl_update;
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struct rx_queue_start_ramrod_data rx_queue_start;
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struct rx_queue_update_ramrod_data rx_queue_update;
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struct rx_queue_stop_ramrod_data rx_queue_stop;
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struct tx_queue_start_ramrod_data tx_queue_start;
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struct tx_queue_stop_ramrod_data tx_queue_stop;
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struct vport_start_ramrod_data vport_start;
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struct vport_stop_ramrod_data vport_stop;
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struct rx_update_gft_filter_data rx_update_gft;
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struct vport_update_ramrod_data vport_update;
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struct core_rx_start_ramrod_data core_rx_queue_start;
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struct core_rx_stop_ramrod_data core_rx_queue_stop;
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struct core_tx_start_ramrod_data core_tx_queue_start;
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struct core_tx_stop_ramrod_data core_tx_queue_stop;
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struct vport_filter_update_ramrod_data vport_filter_update;
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struct vf_start_ramrod_data vf_start;
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struct vf_stop_ramrod_data vf_stop;
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};
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#define EQ_MAX_CREDIT 0xffffffff
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enum spq_priority {
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ECORE_SPQ_PRIORITY_NORMAL,
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ECORE_SPQ_PRIORITY_HIGH,
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};
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union ecore_spq_req_comp {
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struct ecore_spq_comp_cb cb;
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u64 *done_addr;
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};
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/* SPQ_MODE_EBLOCK */
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struct ecore_spq_comp_done {
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u64 done;
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u8 fw_return_code;
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};
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struct ecore_spq_entry {
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osal_list_entry_t list;
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u8 flags;
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/* HSI slow path element */
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struct slow_path_element elem;
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union ramrod_data ramrod;
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enum spq_priority priority;
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/* pending queue for this entry */
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osal_list_t *queue;
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enum spq_mode comp_mode;
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struct ecore_spq_comp_cb comp_cb;
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struct ecore_spq_comp_done comp_done; /* SPQ_MODE_EBLOCK */
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};
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struct ecore_eq {
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struct ecore_chain chain;
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u8 eq_sb_index; /* index within the SB */
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__le16 *p_fw_cons; /* ptr to index value */
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};
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struct ecore_consq {
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struct ecore_chain chain;
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};
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typedef enum _ecore_status_t
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(*ecore_spq_async_comp_cb)(struct ecore_hwfn *p_hwfn,
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u8 opcode,
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u16 echo,
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union event_ring_data *data,
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u8 fw_return_code);
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enum _ecore_status_t
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ecore_spq_register_async_cb(struct ecore_hwfn *p_hwfn,
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enum protocol_type protocol_id,
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ecore_spq_async_comp_cb cb);
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void
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ecore_spq_unregister_async_cb(struct ecore_hwfn *p_hwfn,
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enum protocol_type protocol_id);
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struct ecore_spq {
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osal_spinlock_t lock;
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osal_list_t unlimited_pending;
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osal_list_t pending;
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osal_list_t completion_pending;
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osal_list_t free_pool;
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struct ecore_chain chain;
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/* allocated dma-able memory for spq entries (+ramrod data) */
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dma_addr_t p_phys;
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struct ecore_spq_entry *p_virt;
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/* SPQ max sleep iterations used in __ecore_spq_block() */
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u32 block_sleep_max_iter;
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/* Bitmap for handling out-of-order completions */
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#define SPQ_RING_SIZE \
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(CORE_SPQE_PAGE_SIZE_BYTES / sizeof(struct slow_path_element))
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/* BITS_PER_LONG */
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#define SPQ_COMP_BMAP_SIZE (SPQ_RING_SIZE / (sizeof(unsigned long) * 8))
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unsigned long p_comp_bitmap[SPQ_COMP_BMAP_SIZE];
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u8 comp_bitmap_idx;
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#define SPQ_COMP_BMAP_SET_BIT(p_spq, idx) \
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(OSAL_SET_BIT(((idx) % SPQ_RING_SIZE), (p_spq)->p_comp_bitmap))
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#define SPQ_COMP_BMAP_CLEAR_BIT(p_spq, idx) \
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(OSAL_CLEAR_BIT(((idx) % SPQ_RING_SIZE), (p_spq)->p_comp_bitmap))
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#define SPQ_COMP_BMAP_TEST_BIT(p_spq, idx) \
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(OSAL_TEST_BIT(((idx) % SPQ_RING_SIZE), (p_spq)->p_comp_bitmap))
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/* Statistics */
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u32 unlimited_pending_count;
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u32 normal_count;
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u32 high_count;
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u32 comp_sent_count;
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u32 comp_count;
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u32 cid;
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u32 db_addr_offset;
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struct core_db_data db_data;
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ecore_spq_async_comp_cb async_comp_cb[MAX_PROTOCOL_TYPE];
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};
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struct ecore_port;
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struct ecore_hwfn;
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/**
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* @brief ecore_set_spq_block_timeout - calculates the maximum sleep
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* iterations used in __ecore_spq_block();
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*
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* @param p_hwfn
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* @param spq_timeout_ms
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*/
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void ecore_set_spq_block_timeout(struct ecore_hwfn *p_hwfn,
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u32 spq_timeout_ms);
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/**
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* @brief ecore_spq_post - Posts a Slow hwfn request to FW, or lacking that
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* Pends it to the future list.
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*
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* @param p_hwfn
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* @param p_req
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_spq_post(struct ecore_hwfn *p_hwfn,
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struct ecore_spq_entry *p_ent,
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u8 *fw_return_code);
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/**
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* @brief ecore_spq_allocate - Alloocates & initializes the SPQ and EQ.
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*
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* @param p_hwfn
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_spq_alloc(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_spq_setup - Reset the SPQ to its start state.
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*
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* @param p_hwfn
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*/
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void ecore_spq_setup(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_spq_deallocate - Deallocates the given SPQ struct.
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*
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* @param p_hwfn
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*/
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void ecore_spq_free(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_spq_get_entry - Obtain an entrry from the spq
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* free pool list.
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*
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*
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*
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* @param p_hwfn
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* @param pp_ent
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t
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ecore_spq_get_entry(struct ecore_hwfn *p_hwfn,
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struct ecore_spq_entry **pp_ent);
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/**
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* @brief ecore_spq_return_entry - Return an entry to spq free
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* pool list
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*
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* @param p_hwfn
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* @param p_ent
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*/
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void ecore_spq_return_entry(struct ecore_hwfn *p_hwfn,
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struct ecore_spq_entry *p_ent);
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/**
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* @brief ecore_eq_allocate - Allocates & initializes an EQ struct
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*
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* @param p_hwfn
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* @param num_elem number of elements in the eq
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_eq_alloc(struct ecore_hwfn *p_hwfn, u16 num_elem);
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/**
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* @brief ecore_eq_setup - Reset the EQ to its start state.
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*
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* @param p_hwfn
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*/
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void ecore_eq_setup(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_eq_free - deallocates the given EQ struct.
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*
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* @param p_hwfn
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*/
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void ecore_eq_free(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_eq_prod_update - update the FW with default EQ producer
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*
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* @param p_hwfn
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* @param prod
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*/
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void ecore_eq_prod_update(struct ecore_hwfn *p_hwfn,
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u16 prod);
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/**
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* @brief ecore_eq_completion - Completes currently pending EQ elements
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*
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* @param p_hwfn
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* @param cookie
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_eq_completion(struct ecore_hwfn *p_hwfn,
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void *cookie);
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/**
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* @brief ecore_spq_completion - Completes a single event
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*
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* @param p_hwfn
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* @param echo - echo value from cookie (used for determining completion)
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* @param p_data - data from cookie (used in callback function if applicable)
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_spq_completion(struct ecore_hwfn *p_hwfn,
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__le16 echo,
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u8 fw_return_code,
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union event_ring_data *p_data);
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/**
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* @brief ecore_spq_get_cid - Given p_hwfn, return cid for the hwfn's SPQ
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*
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* @param p_hwfn
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*
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* @return u32 - SPQ CID
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*/
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u32 ecore_spq_get_cid(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_consq_alloc - Allocates & initializes an ConsQ struct
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*
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* @param p_hwfn
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*
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* @return enum _ecore_status_t
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*/
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enum _ecore_status_t ecore_consq_alloc(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_consq_setup - Reset the ConsQ to its start state.
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*
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* @param p_hwfn
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*/
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void ecore_consq_setup(struct ecore_hwfn *p_hwfn);
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/**
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* @brief ecore_consq_free - deallocates the given ConsQ struct.
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*
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* @param p_hwfn
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*/
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void ecore_consq_free(struct ecore_hwfn *p_hwfn);
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#endif /* __ECORE_SPQ_H__ */
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