--- /dev/null
+/*
+ * Copyright (c) 2016 QLogic Corporation.
+ * All rights reserved.
+ * www.qlogic.com
+ *
+ * See LICENSE.qede_pmd for copyright and licensing details.
+ */
+
+#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 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 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;
+};
+
+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;
+
+ /* Bitmap for handling out-of-order completions */
+#define SPQ_RING_SIZE \
+ (CORE_SPQE_PAGE_SIZE_BYTES / sizeof(struct slow_path_element))
+#define SPQ_COMP_BMAP_SIZE \
+(SPQ_RING_SIZE / (sizeof(unsigned long) * 8 /* BITS_PER_LONG */))
+ unsigned long 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_TEST_BIT(p_spq, idx) \
+(OSAL_TEST_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;
+};
+
+struct ecore_port;
+struct ecore_hwfn;
+
+/**
+ * @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 struct ecore_eq* - a newly allocated structure; NULL upon error.
+ */
+struct ecore_eq *ecore_eq_alloc(struct ecore_hwfn *p_hwfn, u16 num_elem);
+
+/**
+ * @brief ecore_eq_setup - Reset the SPQ to its start state.
+ *
+ * @param p_hwfn
+ * @param p_eq
+ */
+void ecore_eq_setup(struct ecore_hwfn *p_hwfn, struct ecore_eq *p_eq);
+
+/**
+ * @brief ecore_eq_deallocate - deallocates the given EQ struct.
+ *
+ * @param p_hwfn
+ * @param p_eq
+ */
+void ecore_eq_free(struct ecore_hwfn *p_hwfn, struct ecore_eq *p_eq);
+
+/**
+ * @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 struct ecore_eq* - a newly allocated structure; NULL upon error.
+ */
+struct ecore_consq *ecore_consq_alloc(struct ecore_hwfn *p_hwfn);
+
+/**
+ * @brief ecore_consq_setup - Reset the ConsQ to its start
+ * state.
+ *
+ * @param p_hwfn
+ * @param p_eq
+ */
+void ecore_consq_setup(struct ecore_hwfn *p_hwfn, struct ecore_consq *p_consq);
+
+/**
+ * @brief ecore_consq_free - deallocates the given ConsQ struct.
+ *
+ * @param p_hwfn
+ * @param p_eq
+ */
+void ecore_consq_free(struct ecore_hwfn *p_hwfn, struct ecore_consq *p_consq);
+
+#endif /* __ECORE_SPQ_H__ */
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