[deliverable/linux.git] / drivers / net / ethernet / qlogic / qed / qed_mcp.h

/* 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_MCP_H
#define _QED_MCP_H

#include <linux/types.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/spinlock.h>
#include "qed_hsi.h"

struct qed_mcp_link_speed_params {
	bool    autoneg;
	u32     advertised_speeds;      /* bitmask of DRV_SPEED_CAPABILITY */
	u32     forced_speed;	   /* In Mb/s */
};

struct qed_mcp_link_pause_params {
	bool    autoneg;
	bool    forced_rx;
	bool    forced_tx;
};

struct qed_mcp_link_params {
	struct qed_mcp_link_speed_params	speed;
	struct qed_mcp_link_pause_params	pause;
	u32				     loopback_mode;
};

struct qed_mcp_link_capabilities {
	u32 speed_capabilities;
};

struct qed_mcp_link_state {
	bool    link_up;

	/* Actual link speed in Mb/s */
	u32	line_speed;

	/* PF max speed in Mb/s, deduced from line_speed
	 * according to PF max bandwidth configuration.
	 */
	u32     speed;
	bool    full_duplex;

	bool    an;
	bool    an_complete;
	bool    parallel_detection;
	bool    pfc_enabled;

#define QED_LINK_PARTNER_SPEED_1G_HD    BIT(0)
#define QED_LINK_PARTNER_SPEED_1G_FD    BIT(1)
#define QED_LINK_PARTNER_SPEED_10G      BIT(2)
#define QED_LINK_PARTNER_SPEED_20G      BIT(3)
#define QED_LINK_PARTNER_SPEED_40G      BIT(4)
#define QED_LINK_PARTNER_SPEED_50G      BIT(5)
#define QED_LINK_PARTNER_SPEED_100G     BIT(6)
	u32     partner_adv_speed;

	bool    partner_tx_flow_ctrl_en;
	bool    partner_rx_flow_ctrl_en;

#define QED_LINK_PARTNER_SYMMETRIC_PAUSE (1)
#define QED_LINK_PARTNER_ASYMMETRIC_PAUSE (2)
#define QED_LINK_PARTNER_BOTH_PAUSE (3)
	u8      partner_adv_pause;

	bool    sfp_tx_fault;
};

struct qed_mcp_function_info {
	u8				pause_on_host;

	enum qed_pci_personality	protocol;

	u8				bandwidth_min;
	u8				bandwidth_max;

	u8				mac[ETH_ALEN];

	u64				wwn_port;
	u64				wwn_node;

#define QED_MCP_VLAN_UNSET              (0xffff)
	u16				ovlan;
};

struct qed_mcp_nvm_common {
	u32	offset;
	u32	param;
	u32	resp;
	u32	cmd;
};

struct qed_mcp_drv_version {
	u32	version;
	u8	name[MCP_DRV_VER_STR_SIZE - 4];
};

/**
 * @brief - returns the link params of the hw function
 *
 * @param p_hwfn
 *
 * @returns pointer to link params
 */
struct qed_mcp_link_params *qed_mcp_get_link_params(struct qed_hwfn *);

/**
 * @brief - return the link state of the hw function
 *
 * @param p_hwfn
 *
 * @returns pointer to link state
 */
struct qed_mcp_link_state *qed_mcp_get_link_state(struct qed_hwfn *);

/**
 * @brief - return the link capabilities of the hw function
 *
 * @param p_hwfn
 *
 * @returns pointer to link capabilities
 */
struct qed_mcp_link_capabilities
	*qed_mcp_get_link_capabilities(struct qed_hwfn *p_hwfn);

/**
 * @brief Request the MFW to set the the link according to 'link_input'.
 *
 * @param p_hwfn
 * @param p_ptt
 * @param b_up - raise link if `true'. Reset link if `false'.
 *
 * @return int
 */
int qed_mcp_set_link(struct qed_hwfn   *p_hwfn,
		     struct qed_ptt     *p_ptt,
		     bool               b_up);

/**
 * @brief Get the management firmware version value
 *
 * @param cdev       - qed dev pointer
 * @param mfw_ver    - mfw version value
 *
 * @return int - 0 - operation was successul.
 */
int qed_mcp_get_mfw_ver(struct qed_dev *cdev,
			u32 *mfw_ver);

/**
 * @brief Get media type value of the port.
 *
 * @param cdev      - qed dev pointer
 * @param mfw_ver    - media type value
 *
 * @return int -
 *      0 - Operation was successul.
 *      -EBUSY - Operation failed
 */
int qed_mcp_get_media_type(struct qed_dev      *cdev,
			   u32                  *media_type);

/**
 * @brief General function for sending commands to the MCP
 *        mailbox. It acquire mutex lock for the entire
 *        operation, from sending the request until the MCP
 *        response. Waiting for MCP response will be checked up
 *        to 5 seconds every 5ms.
 *
 * @param p_hwfn     - hw function
 * @param p_ptt      - PTT required for register access
 * @param cmd        - command to be sent to the MCP.
 * @param param      - Optional param
 * @param o_mcp_resp - The MCP response code (exclude sequence).
 * @param o_mcp_param- Optional parameter provided by the MCP
 *                     response
 * @return int - 0 - operation
 * was successul.
 */
int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
		struct qed_ptt *p_ptt,
		u32 cmd,
		u32 param,
		u32 *o_mcp_resp,
		u32 *o_mcp_param);

/**
 * @brief - drains the nig, allowing completion to pass in case of pauses.
 *          (Should be called only from sleepable context)
 *
 * @param p_hwfn
 * @param p_ptt
 */
int qed_mcp_drain(struct qed_hwfn *p_hwfn,
		  struct qed_ptt *p_ptt);

/**
 * @brief Get the flash size value
 *
 * @param p_hwfn
 * @param p_ptt
 * @param p_flash_size  - flash size in bytes to be filled.
 *
 * @return int - 0 - operation was successul.
 */
int qed_mcp_get_flash_size(struct qed_hwfn     *p_hwfn,
			   struct qed_ptt       *p_ptt,
			   u32 *p_flash_size);

/**
 * @brief Send driver version to MFW
 *
 * @param p_hwfn
 * @param p_ptt
 * @param version - Version value
 * @param name - Protocol driver name
 *
 * @return int - 0 - operation was successul.
 */
int
qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
			 struct qed_ptt *p_ptt,
			 struct qed_mcp_drv_version *p_ver);

/**
 * @brief Set LED status
 *
 *  @param p_hwfn
 *  @param p_ptt
 *  @param mode - LED mode
 *
 * @return int - 0 - operation was successful.
 */
int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
		    struct qed_ptt *p_ptt,
		    enum qed_led_mode mode);

/* Using hwfn number (and not pf_num) is required since in CMT mode,
 * same pf_num may be used by two different hwfn
 * TODO - this shouldn't really be in .h file, but until all fields
 * required during hw-init will be placed in their correct place in shmem
 * we need it in qed_dev.c [for readin the nvram reflection in shmem].
 */
#define MCP_PF_ID_BY_REL(p_hwfn, rel_pfid) (QED_IS_BB((p_hwfn)->cdev) ?	       \
					    ((rel_pfid) |		       \
					     ((p_hwfn)->abs_pf_id & 1) << 3) : \
					    rel_pfid)
#define MCP_PF_ID(p_hwfn) MCP_PF_ID_BY_REL(p_hwfn, (p_hwfn)->rel_pf_id)

/* TODO - this is only correct as long as only BB is supported, and
 * no port-swapping is implemented; Afterwards we'll need to fix it.
 */
#define MFW_PORT(_p_hwfn)       ((_p_hwfn)->abs_pf_id %	\
				 ((_p_hwfn)->cdev->num_ports_in_engines * 2))
struct qed_mcp_info {
	spinlock_t				lock;
	bool					block_mb_sending;
	u32					public_base;
	u32					drv_mb_addr;
	u32					mfw_mb_addr;
	u32					port_addr;
	u16					drv_mb_seq;
	u16					drv_pulse_seq;
	struct qed_mcp_link_params		link_input;
	struct qed_mcp_link_state		link_output;
	struct qed_mcp_link_capabilities	link_capabilities;
	struct qed_mcp_function_info		func_info;
	u8					*mfw_mb_cur;
	u8					*mfw_mb_shadow;
	u16					mfw_mb_length;
	u16					mcp_hist;
};

struct qed_mcp_mb_params {
	u32			cmd;
	u32			param;
	union drv_union_data	*p_data_src;
	union drv_union_data	*p_data_dst;
	u32			mcp_resp;
	u32			mcp_param;
};

/**
 * @brief Initialize the interface with the MCP
 *
 * @param p_hwfn - HW func
 * @param p_ptt - PTT required for register access
 *
 * @return int
 */
int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn,
		     struct qed_ptt *p_ptt);

/**
 * @brief Initialize the port interface with the MCP
 *
 * @param p_hwfn
 * @param p_ptt
 * Can only be called after `num_ports_in_engines' is set
 */
void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn,
			   struct qed_ptt *p_ptt);
/**
 * @brief Releases resources allocated during the init process.
 *
 * @param p_hwfn - HW func
 * @param p_ptt - PTT required for register access
 *
 * @return int
 */

int qed_mcp_free(struct qed_hwfn *p_hwfn);

/**
 * @brief This function is called from the DPC context. After
 * pointing PTT to the mfw mb, check for events sent by the MCP
 * to the driver and ack them. In case a critical event
 * detected, it will be handled here, otherwise the work will be
 * queued to a sleepable work-queue.
 *
 * @param p_hwfn - HW function
 * @param p_ptt - PTT required for register access
 * @return int - 0 - operation
 * was successul.
 */
int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
			  struct qed_ptt *p_ptt);

/**
 * @brief Sends a LOAD_REQ to the MFW, and in case operation
 *        succeed, returns whether this PF is the first on the
 *        chip/engine/port or function. This function should be
 *        called when driver is ready to accept MFW events after
 *        Storms initializations are done.
 *
 * @param p_hwfn       - hw function
 * @param p_ptt        - PTT required for register access
 * @param p_load_code  - The MCP response param containing one
 *      of the following:
 *      FW_MSG_CODE_DRV_LOAD_ENGINE
 *      FW_MSG_CODE_DRV_LOAD_PORT
 *      FW_MSG_CODE_DRV_LOAD_FUNCTION
 * @return int -
 *      0 - Operation was successul.
 *      -EBUSY - Operation failed
 */
int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
		     struct qed_ptt *p_ptt,
		     u32 *p_load_code);

/**
 * @brief Read the MFW mailbox into Current buffer.
 *
 * @param p_hwfn
 * @param p_ptt
 */
void qed_mcp_read_mb(struct qed_hwfn *p_hwfn,
		     struct qed_ptt *p_ptt);

/**
 * @brief - calls during init to read shmem of all function-related info.
 *
 * @param p_hwfn
 *
 * @param return 0 upon success.
 */
int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
				 struct qed_ptt *p_ptt);

/**
 * @brief - Reset the MCP using mailbox command.
 *
 * @param p_hwfn
 * @param p_ptt
 *
 * @param return 0 upon success.
 */
int qed_mcp_reset(struct qed_hwfn *p_hwfn,
		  struct qed_ptt *p_ptt);

/**
 * @brief indicates whether the MFW objects [under mcp_info] are accessible
 *
 * @param p_hwfn
 *
 * @return true iff MFW is running and mcp_info is initialized
 */
bool qed_mcp_is_init(struct qed_hwfn *p_hwfn);
int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw);
int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn,
				     struct qed_ptt *p_ptt,
				     struct qed_mcp_link_state *p_link,
				     u8 max_bw);
#endif
Commit	Line	Data
fe56b9e6 YM	1	/* QLogic qed NIC Driver
	2	* Copyright (c) 2015 QLogic Corporation
	3	*
	4	* This software is available under the terms of the GNU General Public License
	5	* (GPL) Version 2, available from the file COPYING in the main directory of
	6	* this source tree.
	7	*/
	8
	9	#ifndef _QED_MCP_H
	10	#define _QED_MCP_H
	11
	12	#include <linux/types.h>
	13	#include <linux/delay.h>
fe56b9e6	14	#include <linux/slab.h>
5529bad9	15	#include <linux/spinlock.h>
fe56b9e6 YM	16	#include "qed_hsi.h"
fe56b9e6 YM	17
cc875c2e YM	18	struct qed_mcp_link_speed_params {
	19	bool autoneg;
	20	u32 advertised_speeds; /* bitmask of DRV_SPEED_CAPABILITY */
	21	u32 forced_speed; /* In Mb/s */
	22	};
	23
	24	struct qed_mcp_link_pause_params {
	25	bool autoneg;
	26	bool forced_rx;
	27	bool forced_tx;
	28	};
	29
	30	struct qed_mcp_link_params {
	31	struct qed_mcp_link_speed_params speed;
	32	struct qed_mcp_link_pause_params pause;
	33	u32 loopback_mode;
	34	};
	35
	36	struct qed_mcp_link_capabilities {
	37	u32 speed_capabilities;
	38	};
	39
	40	struct qed_mcp_link_state {
	41	bool link_up;
	42
4b01e519 MC	43	/* Actual link speed in Mb/s */
	44	u32 line_speed;
	45
	46	/* PF max speed in Mb/s, deduced from line_speed
	47	* according to PF max bandwidth configuration.
	48	*/
	49	u32 speed;
cc875c2e YM	50	bool full_duplex;
	51
	52	bool an;
	53	bool an_complete;
	54	bool parallel_detection;
	55	bool pfc_enabled;
	56
	57	#define QED_LINK_PARTNER_SPEED_1G_HD BIT(0)
	58	#define QED_LINK_PARTNER_SPEED_1G_FD BIT(1)
	59	#define QED_LINK_PARTNER_SPEED_10G BIT(2)
	60	#define QED_LINK_PARTNER_SPEED_20G BIT(3)
	61	#define QED_LINK_PARTNER_SPEED_40G BIT(4)
	62	#define QED_LINK_PARTNER_SPEED_50G BIT(5)
	63	#define QED_LINK_PARTNER_SPEED_100G BIT(6)
	64	u32 partner_adv_speed;
	65
	66	bool partner_tx_flow_ctrl_en;
	67	bool partner_rx_flow_ctrl_en;
	68
	69	#define QED_LINK_PARTNER_SYMMETRIC_PAUSE (1)
	70	#define QED_LINK_PARTNER_ASYMMETRIC_PAUSE (2)
	71	#define QED_LINK_PARTNER_BOTH_PAUSE (3)
	72	u8 partner_adv_pause;
	73
	74	bool sfp_tx_fault;
	75	};
	76
fe56b9e6 YM	77	struct qed_mcp_function_info {
	78	u8 pause_on_host;
	79
	80	enum qed_pci_personality protocol;
	81
	82	u8 bandwidth_min;
	83	u8 bandwidth_max;
	84
	85	u8 mac[ETH_ALEN];
	86
	87	u64 wwn_port;
	88	u64 wwn_node;
	89
	90	#define QED_MCP_VLAN_UNSET (0xffff)
	91	u16 ovlan;
	92	};
	93
	94	struct qed_mcp_nvm_common {
	95	u32 offset;
	96	u32 param;
	97	u32 resp;
	98	u32 cmd;
	99	};
	100
	101	struct qed_mcp_drv_version {
	102	u32 version;
	103	u8 name[MCP_DRV_VER_STR_SIZE - 4];
	104	};
	105
cc875c2e YM	106	/**
	107	* @brief - returns the link params of the hw function
	108	*
	109	* @param p_hwfn
	110	*
	111	* @returns pointer to link params
	112	*/
	113	struct qed_mcp_link_params qed_mcp_get_link_params(struct qed_hwfn );
	114
	115	/**
	116	* @brief - return the link state of the hw function
	117	*
	118	* @param p_hwfn
	119	*
	120	* @returns pointer to link state
	121	*/
	122	struct qed_mcp_link_state qed_mcp_get_link_state(struct qed_hwfn );
	123
	124	/**
	125	* @brief - return the link capabilities of the hw function
	126	*
	127	* @param p_hwfn
	128	*
	129	* @returns pointer to link capabilities
	130	*/
	131	struct qed_mcp_link_capabilities
	132	qed_mcp_get_link_capabilities(struct qed_hwfn p_hwfn);
	133
	134	/**
	135	* @brief Request the MFW to set the the link according to 'link_input'.
	136	*
	137	* @param p_hwfn
	138	* @param p_ptt
	139	* @param b_up - raise link if `true'. Reset link if `false'.
	140	*
	141	* @return int
	142	*/
	143	int qed_mcp_set_link(struct qed_hwfn *p_hwfn,
	144	struct qed_ptt *p_ptt,
	145	bool b_up);
	146
fe56b9e6 YM	147	/**
	148	* @brief Get the management firmware version value
	149	*
	150	* @param cdev - qed dev pointer
	151	* @param mfw_ver - mfw version value
	152	*
	153	* @return int - 0 - operation was successul.
	154	*/
	155	int qed_mcp_get_mfw_ver(struct qed_dev *cdev,
	156	u32 *mfw_ver);
	157
cc875c2e YM	158	/**
	159	* @brief Get media type value of the port.
	160	*
	161	* @param cdev - qed dev pointer
	162	* @param mfw_ver - media type value
	163	*
	164	* @return int -
	165	* 0 - Operation was successul.
	166	* -EBUSY - Operation failed
	167	*/
	168	int qed_mcp_get_media_type(struct qed_dev *cdev,
	169	u32 *media_type);
	170
fe56b9e6 YM	171	/**
	172	* @brief General function for sending commands to the MCP
	173	* mailbox. It acquire mutex lock for the entire
	174	* operation, from sending the request until the MCP
	175	* response. Waiting for MCP response will be checked up
	176	* to 5 seconds every 5ms.
	177	*
	178	* @param p_hwfn - hw function
	179	* @param p_ptt - PTT required for register access
	180	* @param cmd - command to be sent to the MCP.
	181	* @param param - Optional param
	182	* @param o_mcp_resp - The MCP response code (exclude sequence).
	183	* @param o_mcp_param- Optional parameter provided by the MCP
	184	* response
	185	* @return int - 0 - operation
	186	* was successul.
	187	*/
	188	int qed_mcp_cmd(struct qed_hwfn *p_hwfn,
	189	struct qed_ptt *p_ptt,
	190	u32 cmd,
	191	u32 param,
	192	u32 *o_mcp_resp,
	193	u32 *o_mcp_param);
	194
	195	/**
	196	* @brief - drains the nig, allowing completion to pass in case of pauses.
	197	* (Should be called only from sleepable context)
	198	*
	199	* @param p_hwfn
	200	* @param p_ptt
	201	*/
	202	int qed_mcp_drain(struct qed_hwfn *p_hwfn,
	203	struct qed_ptt *p_ptt);
	204
cee4d264 MC	205	/**
	206	* @brief Get the flash size value
	207	*
	208	* @param p_hwfn
	209	* @param p_ptt
	210	* @param p_flash_size - flash size in bytes to be filled.
	211	*
	212	* @return int - 0 - operation was successul.
	213	*/
	214	int qed_mcp_get_flash_size(struct qed_hwfn *p_hwfn,
	215	struct qed_ptt *p_ptt,
	216	u32 *p_flash_size);
	217
fe56b9e6 YM	218	/**
	219	* @brief Send driver version to MFW
	220	*
	221	* @param p_hwfn
	222	* @param p_ptt
	223	* @param version - Version value
	224	* @param name - Protocol driver name
	225	*
	226	* @return int - 0 - operation was successul.
	227	*/
	228	int
	229	qed_mcp_send_drv_version(struct qed_hwfn *p_hwfn,
	230	struct qed_ptt *p_ptt,
	231	struct qed_mcp_drv_version *p_ver);
	232
91420b83 SK	233	/**
	234	* @brief Set LED status
	235	*
	236	* @param p_hwfn
	237	* @param p_ptt
	238	* @param mode - LED mode
	239	*
	240	* @return int - 0 - operation was successful.
	241	*/
	242	int qed_mcp_set_led(struct qed_hwfn *p_hwfn,
	243	struct qed_ptt *p_ptt,
	244	enum qed_led_mode mode);
	245
fe56b9e6 YM	246	/* Using hwfn number (and not pf_num) is required since in CMT mode,
	247	* same pf_num may be used by two different hwfn
	248	* TODO - this shouldn't really be in .h file, but until all fields
	249	* required during hw-init will be placed in their correct place in shmem
	250	* we need it in qed_dev.c [for readin the nvram reflection in shmem].
	251	*/
	252	#define MCP_PF_ID_BY_REL(p_hwfn, rel_pfid) (QED_IS_BB((p_hwfn)->cdev) ? \
	253	((rel_pfid) \| \
	254	((p_hwfn)->abs_pf_id & 1) << 3) : \
	255	rel_pfid)
	256	#define MCP_PF_ID(p_hwfn) MCP_PF_ID_BY_REL(p_hwfn, (p_hwfn)->rel_pf_id)
	257
	258	/* TODO - this is only correct as long as only BB is supported, and
	259	* no port-swapping is implemented; Afterwards we'll need to fix it.
	260	*/
	261	#define MFW_PORT(_p_hwfn) ((_p_hwfn)->abs_pf_id % \
	262	((_p_hwfn)->cdev->num_ports_in_engines * 2))
	263	struct qed_mcp_info {
5529bad9 TT	264	spinlock_t lock;
5529bad9 TT	265	bool block_mb_sending;
fe56b9e6 YM	266	u32 public_base;
	267	u32 drv_mb_addr;
	268	u32 mfw_mb_addr;
	269	u32 port_addr;
	270	u16 drv_mb_seq;
	271	u16 drv_pulse_seq;
cc875c2e YM	272	struct qed_mcp_link_params link_input;
	273	struct qed_mcp_link_state link_output;
	274	struct qed_mcp_link_capabilities link_capabilities;
fe56b9e6	275	struct qed_mcp_function_info func_info;
fe56b9e6 YM	276	u8 *mfw_mb_cur;
	277	u8 *mfw_mb_shadow;
	278	u16 mfw_mb_length;
	279	u16 mcp_hist;
	280	};
	281
5529bad9 TT	282	struct qed_mcp_mb_params {
	283	u32 cmd;
	284	u32 param;
	285	union drv_union_data *p_data_src;
	286	union drv_union_data *p_data_dst;
	287	u32 mcp_resp;
	288	u32 mcp_param;
	289	};
	290
fe56b9e6 YM	291	/**
	292	* @brief Initialize the interface with the MCP
	293	*
	294	* @param p_hwfn - HW func
	295	* @param p_ptt - PTT required for register access
	296	*
	297	* @return int
	298	*/
	299	int qed_mcp_cmd_init(struct qed_hwfn *p_hwfn,
	300	struct qed_ptt *p_ptt);
	301
	302	/**
	303	* @brief Initialize the port interface with the MCP
	304	*
	305	* @param p_hwfn
	306	* @param p_ptt
	307	* Can only be called after `num_ports_in_engines' is set
	308	*/
	309	void qed_mcp_cmd_port_init(struct qed_hwfn *p_hwfn,
	310	struct qed_ptt *p_ptt);
	311	/**
	312	* @brief Releases resources allocated during the init process.
	313	*
	314	* @param p_hwfn - HW func
	315	* @param p_ptt - PTT required for register access
	316	*
	317	* @return int
	318	*/
	319
	320	int qed_mcp_free(struct qed_hwfn *p_hwfn);
	321
cc875c2e YM	322	/**
	323	* @brief This function is called from the DPC context. After
	324	* pointing PTT to the mfw mb, check for events sent by the MCP
	325	* to the driver and ack them. In case a critical event
	326	* detected, it will be handled here, otherwise the work will be
	327	* queued to a sleepable work-queue.
	328	*
	329	* @param p_hwfn - HW function
	330	* @param p_ptt - PTT required for register access
	331	* @return int - 0 - operation
	332	* was successul.
	333	*/
	334	int qed_mcp_handle_events(struct qed_hwfn *p_hwfn,
	335	struct qed_ptt *p_ptt);
	336
fe56b9e6 YM	337	/**
	338	* @brief Sends a LOAD_REQ to the MFW, and in case operation
	339	* succeed, returns whether this PF is the first on the
	340	* chip/engine/port or function. This function should be
	341	* called when driver is ready to accept MFW events after
	342	* Storms initializations are done.
	343	*
	344	* @param p_hwfn - hw function
	345	* @param p_ptt - PTT required for register access
	346	* @param p_load_code - The MCP response param containing one
	347	* of the following:
	348	* FW_MSG_CODE_DRV_LOAD_ENGINE
	349	* FW_MSG_CODE_DRV_LOAD_PORT
	350	* FW_MSG_CODE_DRV_LOAD_FUNCTION
	351	* @return int -
	352	* 0 - Operation was successul.
	353	* -EBUSY - Operation failed
	354	*/
	355	int qed_mcp_load_req(struct qed_hwfn *p_hwfn,
	356	struct qed_ptt *p_ptt,
	357	u32 *p_load_code);
	358
	359	/**
	360	* @brief Read the MFW mailbox into Current buffer.
	361	*
	362	* @param p_hwfn
	363	* @param p_ptt
	364	*/
	365	void qed_mcp_read_mb(struct qed_hwfn *p_hwfn,
	366	struct qed_ptt *p_ptt);
	367
	368	/**
	369	* @brief - calls during init to read shmem of all function-related info.
	370	*
	371	* @param p_hwfn
	372	*
	373	* @param return 0 upon success.
	374	*/
	375	int qed_mcp_fill_shmem_func_info(struct qed_hwfn *p_hwfn,
	376	struct qed_ptt *p_ptt);
	377
	378	/**
	379	* @brief - Reset the MCP using mailbox command.
	380	*
	381	* @param p_hwfn
	382	* @param p_ptt
	383	*
	384	* @param return 0 upon success.
	385	*/
	386	int qed_mcp_reset(struct qed_hwfn *p_hwfn,
	387	struct qed_ptt *p_ptt);
	388
	389	/**
	390	* @brief indicates whether the MFW objects [under mcp_info] are accessible
	391	*
	392	* @param p_hwfn
	393	*
	394	* @return true iff MFW is running and mcp_info is initialized
	395	*/
	396	bool qed_mcp_is_init(struct qed_hwfn *p_hwfn);
4b01e519 MC	397	int qed_configure_pf_max_bandwidth(struct qed_dev *cdev, u8 max_bw);
	398	int __qed_configure_pf_max_bandwidth(struct qed_hwfn *p_hwfn,
	399	struct qed_ptt *p_ptt,
	400	struct qed_mcp_link_state *p_link,
	401	u8 max_bw);
fe56b9e6	402	#endif