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-rw-r--r--include/linux/qed/qed_chain.h144
-rw-r--r--include/linux/qed/qed_eth_if.h61
-rw-r--r--include/linux/qed/qed_if.h49
-rw-r--r--include/linux/qed/qed_iscsi_if.h229
4 files changed, 390 insertions, 93 deletions
diff --git a/include/linux/qed/qed_chain.h b/include/linux/qed/qed_chain.h
index 72d88cf3ca25..37dfba101c6c 100644
--- a/include/linux/qed/qed_chain.h
+++ b/include/linux/qed/qed_chain.h
@@ -56,23 +56,6 @@ struct qed_chain_pbl_u32 {
u32 cons_page_idx;
};
-struct qed_chain_pbl {
- /* Base address of a pre-allocated buffer for pbl */
- dma_addr_t p_phys_table;
- void *p_virt_table;
-
- /* Table for keeping the virtual addresses of the chain pages,
- * respectively to the physical addresses in the pbl table.
- */
- void **pp_virt_addr_tbl;
-
- /* Index to current used page by producer/consumer */
- union {
- struct qed_chain_pbl_u16 pbl16;
- struct qed_chain_pbl_u32 pbl32;
- } u;
-};
-
struct qed_chain_u16 {
/* Cyclic index of next element to produce/consme */
u16 prod_idx;
@@ -86,46 +69,78 @@ struct qed_chain_u32 {
};
struct qed_chain {
- void *p_virt_addr;
- dma_addr_t p_phys_addr;
- void *p_prod_elem;
- void *p_cons_elem;
+ /* fastpath portion of the chain - required for commands such
+ * as produce / consume.
+ */
+ /* Point to next element to produce/consume */
+ void *p_prod_elem;
+ void *p_cons_elem;
+
+ /* Fastpath portions of the PBL [if exists] */
+ struct {
+ /* Table for keeping the virtual addresses of the chain pages,
+ * respectively to the physical addresses in the pbl table.
+ */
+ void **pp_virt_addr_tbl;
- enum qed_chain_mode mode;
- enum qed_chain_use_mode intended_use; /* used to produce/consume */
- enum qed_chain_cnt_type cnt_type;
+ union {
+ struct qed_chain_pbl_u16 u16;
+ struct qed_chain_pbl_u32 u32;
+ } c;
+ } pbl;
union {
struct qed_chain_u16 chain16;
struct qed_chain_u32 chain32;
} u;
+ /* Capacity counts only usable elements */
+ u32 capacity;
u32 page_cnt;
- /* Number of elements - capacity is for usable elements only,
- * while size will contain total number of elements [for entire chain].
+ enum qed_chain_mode mode;
+
+ /* Elements information for fast calculations */
+ u16 elem_per_page;
+ u16 elem_per_page_mask;
+ u16 elem_size;
+ u16 next_page_mask;
+ u16 usable_per_page;
+ u8 elem_unusable;
+
+ u8 cnt_type;
+
+ /* Slowpath of the chain - required for initialization and destruction,
+ * but isn't involved in regular functionality.
*/
- u32 capacity;
+
+ /* Base address of a pre-allocated buffer for pbl */
+ struct {
+ dma_addr_t p_phys_table;
+ void *p_virt_table;
+ } pbl_sp;
+
+ /* Address of first page of the chain - the address is required
+ * for fastpath operation [consume/produce] but only for the the SINGLE
+ * flavour which isn't considered fastpath [== SPQ].
+ */
+ void *p_virt_addr;
+ dma_addr_t p_phys_addr;
+
+ /* Total number of elements [for entire chain] */
u32 size;
- /* Elements information for fast calculations */
- u16 elem_per_page;
- u16 elem_per_page_mask;
- u16 elem_unusable;
- u16 usable_per_page;
- u16 elem_size;
- u16 next_page_mask;
- struct qed_chain_pbl pbl;
+ u8 intended_use;
};
#define QED_CHAIN_PBL_ENTRY_SIZE (8)
#define QED_CHAIN_PAGE_SIZE (0x1000)
#define ELEMS_PER_PAGE(elem_size) (QED_CHAIN_PAGE_SIZE / (elem_size))
-#define UNUSABLE_ELEMS_PER_PAGE(elem_size, mode) \
- ((mode == QED_CHAIN_MODE_NEXT_PTR) ? \
- (1 + ((sizeof(struct qed_chain_next) - 1) / \
- (elem_size))) : 0)
+#define UNUSABLE_ELEMS_PER_PAGE(elem_size, mode) \
+ (((mode) == QED_CHAIN_MODE_NEXT_PTR) ? \
+ (u8)(1 + ((sizeof(struct qed_chain_next) - 1) / \
+ (elem_size))) : 0)
#define USABLE_ELEMS_PER_PAGE(elem_size, mode) \
((u32)(ELEMS_PER_PAGE(elem_size) - \
@@ -186,7 +201,7 @@ static inline u16 qed_chain_get_usable_per_page(struct qed_chain *p_chain)
return p_chain->usable_per_page;
}
-static inline u16 qed_chain_get_unusable_per_page(struct qed_chain *p_chain)
+static inline u8 qed_chain_get_unusable_per_page(struct qed_chain *p_chain)
{
return p_chain->elem_unusable;
}
@@ -198,7 +213,7 @@ static inline u32 qed_chain_get_page_cnt(struct qed_chain *p_chain)
static inline dma_addr_t qed_chain_get_pbl_phys(struct qed_chain *p_chain)
{
- return p_chain->pbl.p_phys_table;
+ return p_chain->pbl_sp.p_phys_table;
}
/**
@@ -214,10 +229,10 @@ static inline dma_addr_t qed_chain_get_pbl_phys(struct qed_chain *p_chain)
static inline void
qed_chain_advance_page(struct qed_chain *p_chain,
void **p_next_elem, void *idx_to_inc, void *page_to_inc)
-
{
struct qed_chain_next *p_next = NULL;
u32 page_index = 0;
+
switch (p_chain->mode) {
case QED_CHAIN_MODE_NEXT_PTR:
p_next = *p_next_elem;
@@ -305,7 +320,7 @@ static inline void *qed_chain_produce(struct qed_chain *p_chain)
if ((p_chain->u.chain16.prod_idx &
p_chain->elem_per_page_mask) == p_chain->next_page_mask) {
p_prod_idx = &p_chain->u.chain16.prod_idx;
- p_prod_page_idx = &p_chain->pbl.u.pbl16.prod_page_idx;
+ p_prod_page_idx = &p_chain->pbl.c.u16.prod_page_idx;
qed_chain_advance_page(p_chain, &p_chain->p_prod_elem,
p_prod_idx, p_prod_page_idx);
}
@@ -314,7 +329,7 @@ static inline void *qed_chain_produce(struct qed_chain *p_chain)
if ((p_chain->u.chain32.prod_idx &
p_chain->elem_per_page_mask) == p_chain->next_page_mask) {
p_prod_idx = &p_chain->u.chain32.prod_idx;
- p_prod_page_idx = &p_chain->pbl.u.pbl32.prod_page_idx;
+ p_prod_page_idx = &p_chain->pbl.c.u32.prod_page_idx;
qed_chain_advance_page(p_chain, &p_chain->p_prod_elem,
p_prod_idx, p_prod_page_idx);
}
@@ -378,7 +393,7 @@ static inline void *qed_chain_consume(struct qed_chain *p_chain)
if ((p_chain->u.chain16.cons_idx &
p_chain->elem_per_page_mask) == p_chain->next_page_mask) {
p_cons_idx = &p_chain->u.chain16.cons_idx;
- p_cons_page_idx = &p_chain->pbl.u.pbl16.cons_page_idx;
+ p_cons_page_idx = &p_chain->pbl.c.u16.cons_page_idx;
qed_chain_advance_page(p_chain, &p_chain->p_cons_elem,
p_cons_idx, p_cons_page_idx);
}
@@ -387,8 +402,8 @@ static inline void *qed_chain_consume(struct qed_chain *p_chain)
if ((p_chain->u.chain32.cons_idx &
p_chain->elem_per_page_mask) == p_chain->next_page_mask) {
p_cons_idx = &p_chain->u.chain32.cons_idx;
- p_cons_page_idx = &p_chain->pbl.u.pbl32.cons_page_idx;
- qed_chain_advance_page(p_chain, &p_chain->p_cons_elem,
+ p_cons_page_idx = &p_chain->pbl.c.u32.cons_page_idx;
+ qed_chain_advance_page(p_chain, &p_chain->p_cons_elem,
p_cons_idx, p_cons_page_idx);
}
p_chain->u.chain32.cons_idx++;
@@ -429,25 +444,26 @@ static inline void qed_chain_reset(struct qed_chain *p_chain)
u32 reset_val = p_chain->page_cnt - 1;
if (is_chain_u16(p_chain)) {
- p_chain->pbl.u.pbl16.prod_page_idx = (u16)reset_val;
- p_chain->pbl.u.pbl16.cons_page_idx = (u16)reset_val;
+ p_chain->pbl.c.u16.prod_page_idx = (u16)reset_val;
+ p_chain->pbl.c.u16.cons_page_idx = (u16)reset_val;
} else {
- p_chain->pbl.u.pbl32.prod_page_idx = reset_val;
- p_chain->pbl.u.pbl32.cons_page_idx = reset_val;
+ p_chain->pbl.c.u32.prod_page_idx = reset_val;
+ p_chain->pbl.c.u32.cons_page_idx = reset_val;
}
}
switch (p_chain->intended_use) {
- case QED_CHAIN_USE_TO_CONSUME_PRODUCE:
- case QED_CHAIN_USE_TO_PRODUCE:
- /* Do nothing */
- break;
-
case QED_CHAIN_USE_TO_CONSUME:
/* produce empty elements */
for (i = 0; i < p_chain->capacity; i++)
qed_chain_recycle_consumed(p_chain);
break;
+
+ case QED_CHAIN_USE_TO_CONSUME_PRODUCE:
+ case QED_CHAIN_USE_TO_PRODUCE:
+ default:
+ /* Do nothing */
+ break;
}
}
@@ -473,13 +489,13 @@ static inline void qed_chain_init_params(struct qed_chain *p_chain,
p_chain->p_virt_addr = NULL;
p_chain->p_phys_addr = 0;
p_chain->elem_size = elem_size;
- p_chain->intended_use = intended_use;
+ p_chain->intended_use = (u8)intended_use;
p_chain->mode = mode;
- p_chain->cnt_type = cnt_type;
+ p_chain->cnt_type = (u8)cnt_type;
- p_chain->elem_per_page = ELEMS_PER_PAGE(elem_size);
+ p_chain->elem_per_page = ELEMS_PER_PAGE(elem_size);
p_chain->usable_per_page = USABLE_ELEMS_PER_PAGE(elem_size, mode);
- p_chain->elem_per_page_mask = p_chain->elem_per_page - 1;
+ p_chain->elem_per_page_mask = p_chain->elem_per_page - 1;
p_chain->elem_unusable = UNUSABLE_ELEMS_PER_PAGE(elem_size, mode);
p_chain->next_page_mask = (p_chain->usable_per_page &
p_chain->elem_per_page_mask);
@@ -488,8 +504,8 @@ static inline void qed_chain_init_params(struct qed_chain *p_chain,
p_chain->capacity = p_chain->usable_per_page * page_cnt;
p_chain->size = p_chain->elem_per_page * page_cnt;
- p_chain->pbl.p_phys_table = 0;
- p_chain->pbl.p_virt_table = NULL;
+ p_chain->pbl_sp.p_phys_table = 0;
+ p_chain->pbl_sp.p_virt_table = NULL;
p_chain->pbl.pp_virt_addr_tbl = NULL;
}
@@ -530,8 +546,8 @@ static inline void qed_chain_init_pbl_mem(struct qed_chain *p_chain,
dma_addr_t p_phys_pbl,
void **pp_virt_addr_tbl)
{
- p_chain->pbl.p_phys_table = p_phys_pbl;
- p_chain->pbl.p_virt_table = p_virt_pbl;
+ p_chain->pbl_sp.p_phys_table = p_phys_pbl;
+ p_chain->pbl_sp.p_virt_table = p_virt_pbl;
p_chain->pbl.pp_virt_addr_tbl = pp_virt_addr_tbl;
}
diff --git a/include/linux/qed/qed_eth_if.h b/include/linux/qed/qed_eth_if.h
index 33c24ebc9b7f..7a52f7c58c37 100644
--- a/include/linux/qed/qed_eth_if.h
+++ b/include/linux/qed/qed_eth_if.h
@@ -15,6 +15,29 @@
#include <linux/qed/qed_if.h>
#include <linux/qed/qed_iov_if.h>
+struct qed_queue_start_common_params {
+ /* Should always be relative to entity sending this. */
+ u8 vport_id;
+ u16 queue_id;
+
+ /* Relative, but relevant only for PFs */
+ u8 stats_id;
+
+ /* These are always absolute */
+ u16 sb;
+ u8 sb_idx;
+};
+
+struct qed_rxq_start_ret_params {
+ void __iomem *p_prod;
+ void *p_handle;
+};
+
+struct qed_txq_start_ret_params {
+ void __iomem *p_doorbell;
+ void *p_handle;
+};
+
struct qed_dev_eth_info {
struct qed_dev_info common;
@@ -22,7 +45,8 @@ struct qed_dev_eth_info {
u8 num_tc;
u8 port_mac[ETH_ALEN];
- u8 num_vlan_filters;
+ u16 num_vlan_filters;
+ u16 num_mac_filters;
/* Legacy VF - this affects the datapath, so qede has to know */
bool is_legacy;
@@ -55,18 +79,6 @@ struct qed_start_vport_params {
bool clear_stats;
};
-struct qed_stop_rxq_params {
- u8 rss_id;
- u8 rx_queue_id;
- u8 vport_id;
- bool eq_completion_only;
-};
-
-struct qed_stop_txq_params {
- u8 rss_id;
- u8 tx_queue_id;
-};
-
enum qed_filter_rx_mode_type {
QED_FILTER_RX_MODE_TYPE_REGULAR,
QED_FILTER_RX_MODE_TYPE_MULTI_PROMISC,
@@ -111,15 +123,6 @@ struct qed_filter_params {
union qed_filter_type_params filter;
};
-struct qed_queue_start_common_params {
- u8 rss_id;
- u8 queue_id;
- u8 vport_id;
- u16 sb;
- u16 sb_idx;
- u16 vf_qid;
-};
-
struct qed_tunn_params {
u16 vxlan_port;
u8 update_vxlan_port;
@@ -129,7 +132,7 @@ struct qed_tunn_params {
struct qed_eth_cb_ops {
struct qed_common_cb_ops common;
- void (*force_mac) (void *dev, u8 *mac);
+ void (*force_mac) (void *dev, u8 *mac, bool forced);
};
#ifdef CONFIG_DCB
@@ -219,24 +222,24 @@ struct qed_eth_ops {
struct qed_update_vport_params *params);
int (*q_rx_start)(struct qed_dev *cdev,
+ u8 rss_num,
struct qed_queue_start_common_params *params,
u16 bd_max_bytes,
dma_addr_t bd_chain_phys_addr,
dma_addr_t cqe_pbl_addr,
u16 cqe_pbl_size,
- void __iomem **pp_prod);
+ struct qed_rxq_start_ret_params *ret_params);
- int (*q_rx_stop)(struct qed_dev *cdev,
- struct qed_stop_rxq_params *params);
+ int (*q_rx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
int (*q_tx_start)(struct qed_dev *cdev,
+ u8 rss_num,
struct qed_queue_start_common_params *params,
dma_addr_t pbl_addr,
u16 pbl_size,
- void __iomem **pp_doorbell);
+ struct qed_txq_start_ret_params *ret_params);
- int (*q_tx_stop)(struct qed_dev *cdev,
- struct qed_stop_txq_params *params);
+ int (*q_tx_stop)(struct qed_dev *cdev, u8 rss_id, void *handle);
int (*filter_config)(struct qed_dev *cdev,
struct qed_filter_params *params);
diff --git a/include/linux/qed/qed_if.h b/include/linux/qed/qed_if.h
index 8978a60371f4..4b454f4f5b25 100644
--- a/include/linux/qed/qed_if.h
+++ b/include/linux/qed/qed_if.h
@@ -166,6 +166,7 @@ struct qed_iscsi_pf_params {
u32 max_cwnd;
u16 cq_num_entries;
u16 cmdq_num_entries;
+ u32 two_msl_timer;
u16 dup_ack_threshold;
u16 tx_sws_timer;
u16 min_rto;
@@ -267,11 +268,15 @@ struct qed_dev_info {
u8 mf_mode;
bool tx_switching;
bool rdma_supported;
+ u16 mtu;
+
+ bool wol_support;
};
enum qed_sb_type {
QED_SB_TYPE_L2_QUEUE,
QED_SB_TYPE_CNQ,
+ QED_SB_TYPE_STORAGE,
};
enum qed_protocol {
@@ -401,6 +406,15 @@ struct qed_selftest_ops {
* @return 0 on success, error otherwise.
*/
int (*selftest_clock)(struct qed_dev *cdev);
+
+/**
+ * @brief selftest_nvram - Perform nvram test
+ *
+ * @param cdev
+ *
+ * @return 0 on success, error otherwise.
+ */
+ int (*selftest_nvram) (struct qed_dev *cdev);
};
struct qed_common_ops {
@@ -554,6 +568,41 @@ struct qed_common_ops {
*/
int (*set_led)(struct qed_dev *cdev,
enum qed_led_mode mode);
+
+/**
+ * @brief update_drv_state - API to inform the change in the driver state.
+ *
+ * @param cdev
+ * @param active
+ *
+ */
+ int (*update_drv_state)(struct qed_dev *cdev, bool active);
+
+/**
+ * @brief update_mac - API to inform the change in the mac address
+ *
+ * @param cdev
+ * @param mac
+ *
+ */
+ int (*update_mac)(struct qed_dev *cdev, u8 *mac);
+
+/**
+ * @brief update_mtu - API to inform the change in the mtu
+ *
+ * @param cdev
+ * @param mtu
+ *
+ */
+ int (*update_mtu)(struct qed_dev *cdev, u16 mtu);
+
+/**
+ * @brief update_wol - update of changes in the WoL configuration
+ *
+ * @param cdev
+ * @param enabled - true iff WoL should be enabled.
+ */
+ int (*update_wol) (struct qed_dev *cdev, bool enabled);
};
#define MASK_FIELD(_name, _value) \
diff --git a/include/linux/qed/qed_iscsi_if.h b/include/linux/qed/qed_iscsi_if.h
new file mode 100644
index 000000000000..d27912480cb3
--- /dev/null
+++ b/include/linux/qed/qed_iscsi_if.h
@@ -0,0 +1,229 @@
+/* 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_ISCSI_IF_H
+#define _QED_ISCSI_IF_H
+#include <linux/types.h>
+#include <linux/qed/qed_if.h>
+
+typedef int (*iscsi_event_cb_t) (void *context,
+ u8 fw_event_code, void *fw_handle);
+struct qed_iscsi_stats {
+ u64 iscsi_rx_bytes_cnt;
+ u64 iscsi_rx_packet_cnt;
+ u64 iscsi_rx_new_ooo_isle_events_cnt;
+ u32 iscsi_cmdq_threshold_cnt;
+ u32 iscsi_rq_threshold_cnt;
+ u32 iscsi_immq_threshold_cnt;
+
+ u64 iscsi_rx_dropped_pdus_task_not_valid;
+
+ u64 iscsi_rx_data_pdu_cnt;
+ u64 iscsi_rx_r2t_pdu_cnt;
+ u64 iscsi_rx_total_pdu_cnt;
+
+ u64 iscsi_tx_go_to_slow_start_event_cnt;
+ u64 iscsi_tx_fast_retransmit_event_cnt;
+
+ u64 iscsi_tx_data_pdu_cnt;
+ u64 iscsi_tx_r2t_pdu_cnt;
+ u64 iscsi_tx_total_pdu_cnt;
+
+ u64 iscsi_tx_bytes_cnt;
+ u64 iscsi_tx_packet_cnt;
+};
+
+struct qed_dev_iscsi_info {
+ struct qed_dev_info common;
+
+ void __iomem *primary_dbq_rq_addr;
+ void __iomem *secondary_bdq_rq_addr;
+};
+
+struct qed_iscsi_id_params {
+ u8 mac[ETH_ALEN];
+ u32 ip[4];
+ u16 port;
+};
+
+struct qed_iscsi_params_offload {
+ u8 layer_code;
+ dma_addr_t sq_pbl_addr;
+ u32 initial_ack;
+
+ struct qed_iscsi_id_params src;
+ struct qed_iscsi_id_params dst;
+ u16 vlan_id;
+ u8 tcp_flags;
+ u8 ip_version;
+ u8 default_cq;
+
+ u8 ka_max_probe_cnt;
+ u8 dup_ack_theshold;
+ u32 rcv_next;
+ u32 snd_una;
+ u32 snd_next;
+ u32 snd_max;
+ u32 snd_wnd;
+ u32 rcv_wnd;
+ u32 snd_wl1;
+ u32 cwnd;
+ u32 ss_thresh;
+ u16 srtt;
+ u16 rtt_var;
+ u32 ts_time;
+ u32 ts_recent;
+ u32 ts_recent_age;
+ u32 total_rt;
+ u32 ka_timeout_delta;
+ u32 rt_timeout_delta;
+ u8 dup_ack_cnt;
+ u8 snd_wnd_probe_cnt;
+ u8 ka_probe_cnt;
+ u8 rt_cnt;
+ u32 flow_label;
+ u32 ka_timeout;
+ u32 ka_interval;
+ u32 max_rt_time;
+ u32 initial_rcv_wnd;
+ u8 ttl;
+ u8 tos_or_tc;
+ u16 remote_port;
+ u16 local_port;
+ u16 mss;
+ u8 snd_wnd_scale;
+ u8 rcv_wnd_scale;
+ u32 ts_ticks_per_second;
+ u16 da_timeout_value;
+ u8 ack_frequency;
+};
+
+struct qed_iscsi_params_update {
+ u8 update_flag;
+#define QED_ISCSI_CONN_HD_EN BIT(0)
+#define QED_ISCSI_CONN_DD_EN BIT(1)
+#define QED_ISCSI_CONN_INITIAL_R2T BIT(2)
+#define QED_ISCSI_CONN_IMMEDIATE_DATA BIT(3)
+
+ u32 max_seq_size;
+ u32 max_recv_pdu_length;
+ u32 max_send_pdu_length;
+ u32 first_seq_length;
+ u32 exp_stat_sn;
+};
+
+#define MAX_TID_BLOCKS_ISCSI (512)
+struct qed_iscsi_tid {
+ u32 size; /* In bytes per task */
+ u32 num_tids_per_block;
+ u8 *blocks[MAX_TID_BLOCKS_ISCSI];
+};
+
+struct qed_iscsi_cb_ops {
+ struct qed_common_cb_ops common;
+};
+
+/**
+ * struct qed_iscsi_ops - qed iSCSI operations.
+ * @common: common operations pointer
+ * @ll2: light L2 operations pointer
+ * @fill_dev_info: fills iSCSI specific information
+ * @param cdev
+ * @param info
+ * @return 0 on sucesss, otherwise error value.
+ * @register_ops: register iscsi operations
+ * @param cdev
+ * @param ops - specified using qed_iscsi_cb_ops
+ * @param cookie - driver private
+ * @start: iscsi in FW
+ * @param cdev
+ * @param tasks - qed will fill information about tasks
+ * return 0 on success, otherwise error value.
+ * @stop: iscsi in FW
+ * @param cdev
+ * return 0 on success, otherwise error value.
+ * @acquire_conn: acquire a new iscsi connection
+ * @param cdev
+ * @param handle - qed will fill handle that should be
+ * used henceforth as identifier of the
+ * connection.
+ * @param p_doorbell - qed will fill the address of the
+ * doorbell.
+ * @return 0 on sucesss, otherwise error value.
+ * @release_conn: release a previously acquired iscsi connection
+ * @param cdev
+ * @param handle - the connection handle.
+ * @return 0 on success, otherwise error value.
+ * @offload_conn: configures an offloaded connection
+ * @param cdev
+ * @param handle - the connection handle.
+ * @param conn_info - the configuration to use for the
+ * offload.
+ * @return 0 on success, otherwise error value.
+ * @update_conn: updates an offloaded connection
+ * @param cdev
+ * @param handle - the connection handle.
+ * @param conn_info - the configuration to use for the
+ * offload.
+ * @return 0 on success, otherwise error value.
+ * @destroy_conn: stops an offloaded connection
+ * @param cdev
+ * @param handle - the connection handle.
+ * @return 0 on success, otherwise error value.
+ * @clear_sq: clear all task in sq
+ * @param cdev
+ * @param handle - the connection handle.
+ * @return 0 on success, otherwise error value.
+ * @get_stats: iSCSI related statistics
+ * @param cdev
+ * @param stats - pointer to struck that would be filled
+ * we stats
+ * @return 0 on success, error otherwise.
+ */
+struct qed_iscsi_ops {
+ const struct qed_common_ops *common;
+
+ const struct qed_ll2_ops *ll2;
+
+ int (*fill_dev_info)(struct qed_dev *cdev,
+ struct qed_dev_iscsi_info *info);
+
+ void (*register_ops)(struct qed_dev *cdev,
+ struct qed_iscsi_cb_ops *ops, void *cookie);
+
+ int (*start)(struct qed_dev *cdev,
+ struct qed_iscsi_tid *tasks,
+ void *event_context, iscsi_event_cb_t async_event_cb);
+
+ int (*stop)(struct qed_dev *cdev);
+
+ int (*acquire_conn)(struct qed_dev *cdev,
+ u32 *handle,
+ u32 *fw_cid, void __iomem **p_doorbell);
+
+ int (*release_conn)(struct qed_dev *cdev, u32 handle);
+
+ int (*offload_conn)(struct qed_dev *cdev,
+ u32 handle,
+ struct qed_iscsi_params_offload *conn_info);
+
+ int (*update_conn)(struct qed_dev *cdev,
+ u32 handle,
+ struct qed_iscsi_params_update *conn_info);
+
+ int (*destroy_conn)(struct qed_dev *cdev, u32 handle, u8 abrt_conn);
+
+ int (*clear_sq)(struct qed_dev *cdev, u32 handle);
+
+ int (*get_stats)(struct qed_dev *cdev,
+ struct qed_iscsi_stats *stats);
+};
+
+const struct qed_iscsi_ops *qed_get_iscsi_ops(void);
+void qed_put_iscsi_ops(void);
+#endif