include/linux/qed/qed_if.h - kernel/msm-4.19 - Gitiles

 /* 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_IF_H
 #define _QED_IF_H

 #include <linux/types.h>
 #include <linux/interrupt.h>
 #include <linux/netdevice.h>
 #include <linux/pci.h>
 #include <linux/skbuff.h>
 #include <linux/types.h>
 #include <asm/byteorder.h>
 #include <linux/io.h>
 #include <linux/compiler.h>
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/slab.h>
 #include <linux/qed/common_hsi.h>
 #include <linux/qed/qed_chain.h>

 enum qed_led_mode {
 	QED_LED_MODE_OFF,
 	QED_LED_MODE_ON,
 	QED_LED_MODE_RESTORE
 };

 #define DIRECT_REG_WR(reg_addr, val) writel((u32)val, \
 					    (void __iomem *)(reg_addr))

 #define DIRECT_REG_RD(reg_addr) readl((void __iomem *)(reg_addr))

 #define QED_COALESCE_MAX 0xFF

 /* forward */
 struct qed_dev;

 struct qed_eth_pf_params {
 	/* The following parameters are used during HW-init
 	 * and these parameters need to be passed as arguments
 	 * to update_pf_params routine invoked before slowpath start
 	 */
 	u16 num_cons;
 };

 struct qed_pf_params {
 	struct qed_eth_pf_params eth_pf_params;
 };

 enum qed_int_mode {
 	QED_INT_MODE_INTA,
 	QED_INT_MODE_MSIX,
 	QED_INT_MODE_MSI,
 	QED_INT_MODE_POLL,
 };

 struct qed_sb_info {
 	struct status_block	*sb_virt;
 	dma_addr_t		sb_phys;
 	u32			sb_ack; /* Last given ack */
 	u16			igu_sb_id;
 	void __iomem		*igu_addr;
 	u8			flags;
 #define QED_SB_INFO_INIT        0x1
 #define QED_SB_INFO_SETUP       0x2

 	struct qed_dev		*cdev;
 };

 struct qed_dev_info {
 	unsigned long	pci_mem_start;
 	unsigned long	pci_mem_end;
 	unsigned int	pci_irq;
 	u8		num_hwfns;

 	u8		hw_mac[ETH_ALEN];
 	bool		is_mf;

 	/* FW version */
 	u16		fw_major;
 	u16		fw_minor;
 	u16		fw_rev;
 	u16		fw_eng;

 	/* MFW version */
 	u32		mfw_rev;

 	u32		flash_size;
 	u8		mf_mode;
 };

 enum qed_sb_type {
 	QED_SB_TYPE_L2_QUEUE,
 };

 enum qed_protocol {
 	QED_PROTOCOL_ETH,
 };

 struct qed_link_params {
 	bool	link_up;

 #define QED_LINK_OVERRIDE_SPEED_AUTONEG         BIT(0)
 #define QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS      BIT(1)
 #define QED_LINK_OVERRIDE_SPEED_FORCED_SPEED    BIT(2)
 #define QED_LINK_OVERRIDE_PAUSE_CONFIG          BIT(3)
 	u32	override_flags;
 	bool	autoneg;
 	u32	adv_speeds;
 	u32	forced_speed;
 #define QED_LINK_PAUSE_AUTONEG_ENABLE           BIT(0)
 #define QED_LINK_PAUSE_RX_ENABLE                BIT(1)
 #define QED_LINK_PAUSE_TX_ENABLE                BIT(2)
 	u32	pause_config;
 };

 struct qed_link_output {
 	bool	link_up;

 	u32	supported_caps;         /* In SUPPORTED defs */
 	u32	advertised_caps;        /* In ADVERTISED defs */
 	u32	lp_caps;                /* In ADVERTISED defs */
 	u32	speed;                  /* In Mb/s */
 	u8	duplex;                 /* In DUPLEX defs */
 	u8	port;                   /* In PORT defs */
 	bool	autoneg;
 	u32	pause_config;
 };

 #define QED_DRV_VER_STR_SIZE 12
 struct qed_slowpath_params {
 	u32	int_mode;
 	u8	drv_major;
 	u8	drv_minor;
 	u8	drv_rev;
 	u8	drv_eng;
 	u8	name[QED_DRV_VER_STR_SIZE];
 };

 #define ILT_PAGE_SIZE_TCFC 0x8000 /* 32KB */

 struct qed_int_info {
 	struct msix_entry	*msix;
 	u8			msix_cnt;

 	/* This should be updated by the protocol driver */
 	u8			used_cnt;
 };

 struct qed_common_cb_ops {
 	void	(*link_update)(void			*dev,
 			       struct qed_link_output	*link);
 };

 struct qed_common_ops {
 	struct qed_dev*	(*probe)(struct pci_dev *dev,
 				 enum qed_protocol protocol,
 				 u32 dp_module, u8 dp_level);

 	void		(*remove)(struct qed_dev *cdev);

 	int		(*set_power_state)(struct qed_dev *cdev,
 					   pci_power_t state);

 	void		(*set_id)(struct qed_dev *cdev,
 				  char name[],
 				  char ver_str[]);

 	/* Client drivers need to make this call before slowpath_start.
 	 * PF params required for the call before slowpath_start is
 	 * documented within the qed_pf_params structure definition.
 	 */
 	void		(*update_pf_params)(struct qed_dev *cdev,
 					    struct qed_pf_params *params);
 	int		(*slowpath_start)(struct qed_dev *cdev,
 					  struct qed_slowpath_params *params);

 	int		(*slowpath_stop)(struct qed_dev *cdev);

 	/* Requests to use `cnt' interrupts for fastpath.
 	 * upon success, returns number of interrupts allocated for fastpath.
 	 */
 	int		(*set_fp_int)(struct qed_dev *cdev,
 				      u16 cnt);

 	/* Fills `info' with pointers required for utilizing interrupts */
 	int		(*get_fp_int)(struct qed_dev *cdev,
 				      struct qed_int_info *info);

 	u32		(*sb_init)(struct qed_dev *cdev,
 				   struct qed_sb_info *sb_info,
 				   void *sb_virt_addr,
 				   dma_addr_t sb_phy_addr,
 				   u16 sb_id,
 				   enum qed_sb_type type);

 	u32		(*sb_release)(struct qed_dev *cdev,
 				      struct qed_sb_info *sb_info,
 				      u16 sb_id);

 	void		(*simd_handler_config)(struct qed_dev *cdev,
 					       void *token,
 					       int index,
 					       void (*handler)(void *));

 	void		(*simd_handler_clean)(struct qed_dev *cdev,
 					      int index);
 /**
  * @brief set_link - set links according to params
  *
  * @param cdev
  * @param params - values used to override the default link configuration
  *
  * @return 0 on success, error otherwise.
  */
 	int		(*set_link)(struct qed_dev *cdev,
 				    struct qed_link_params *params);

 /**
  * @brief get_link - returns the current link state.
  *
  * @param cdev
  * @param if_link - structure to be filled with current link configuration.
  */
 	void		(*get_link)(struct qed_dev *cdev,
 				    struct qed_link_output *if_link);

 /**
  * @brief - drains chip in case Tx completions fail to arrive due to pause.
  *
  * @param cdev
  */
 	int		(*drain)(struct qed_dev *cdev);

 /**
  * @brief update_msglvl - update module debug level
  *
  * @param cdev
  * @param dp_module
  * @param dp_level
  */
 	void		(*update_msglvl)(struct qed_dev *cdev,
 					 u32 dp_module,
 					 u8 dp_level);

 	int		(*chain_alloc)(struct qed_dev *cdev,
 				       enum qed_chain_use_mode intended_use,
 				       enum qed_chain_mode mode,
 				       u16 num_elems,
 				       size_t elem_size,
 				       struct qed_chain *p_chain);

 	void		(*chain_free)(struct qed_dev *cdev,
 				      struct qed_chain *p_chain);

 /**
  * @brief set_led - Configure LED mode
  *
  * @param cdev
  * @param mode - LED mode
  *
  * @return 0 on success, error otherwise.
  */
 	int (*set_led)(struct qed_dev *cdev,
 		       enum qed_led_mode mode);
 };

 /**
  * @brief qed_get_protocol_version
  *
  * @param protocol
  *
  * @return version supported by qed for given protocol driver
  */
 u32 qed_get_protocol_version(enum qed_protocol protocol);

 #define MASK_FIELD(_name, _value) \
 	((_value) &= (_name ## _MASK))

 #define FIELD_VALUE(_name, _value) \
 	((_value & _name ## _MASK) << _name ## _SHIFT)

 #define SET_FIELD(value, name, flag)			       \
 	do {						       \
 		(value) &= ~(name ## _MASK << name ## _SHIFT); \
 		(value) |= (((u64)flag) << (name ## _SHIFT));  \
 	} while (0)

 #define GET_FIELD(value, name) \
 	(((value) >> (name ## _SHIFT)) & name ## _MASK)

 /* Debug print definitions */
 #define DP_ERR(cdev, fmt, ...)						     \
 		pr_err("[%s:%d(%s)]" fmt,				     \
 		       __func__, __LINE__,				     \
 		       DP_NAME(cdev) ? DP_NAME(cdev) : "",		     \
 		       ## __VA_ARGS__)					     \

 #define DP_NOTICE(cdev, fmt, ...)				      \
 	do {							      \
 		if (unlikely((cdev)->dp_level <= QED_LEVEL_NOTICE)) { \
 			pr_notice("[%s:%d(%s)]" fmt,		      \
 				  __func__, __LINE__,		      \
 				  DP_NAME(cdev) ? DP_NAME(cdev) : "", \
 				  ## __VA_ARGS__);		      \
 								      \
 		}						      \
 	} while (0)

 #define DP_INFO(cdev, fmt, ...)					      \
 	do {							      \
 		if (unlikely((cdev)->dp_level <= QED_LEVEL_INFO)) {   \
 			pr_notice("[%s:%d(%s)]" fmt,		      \
 				  __func__, __LINE__,		      \
 				  DP_NAME(cdev) ? DP_NAME(cdev) : "", \
 				  ## __VA_ARGS__);		      \
 		}						      \
 	} while (0)

 #define DP_VERBOSE(cdev, module, fmt, ...)				\
 	do {								\
 		if (unlikely(((cdev)->dp_level <= QED_LEVEL_VERBOSE) &&	\
 			     ((cdev)->dp_module & module))) {		\
 			pr_notice("[%s:%d(%s)]" fmt,			\
 				  __func__, __LINE__,			\
 				  DP_NAME(cdev) ? DP_NAME(cdev) : "",	\
 				  ## __VA_ARGS__);			\
 		}							\
 	} while (0)

 enum DP_LEVEL {
 	QED_LEVEL_VERBOSE	= 0x0,
 	QED_LEVEL_INFO		= 0x1,
 	QED_LEVEL_NOTICE	= 0x2,
 	QED_LEVEL_ERR		= 0x3,
 };

 #define QED_LOG_LEVEL_SHIFT     (30)
 #define QED_LOG_VERBOSE_MASK    (0x3fffffff)
 #define QED_LOG_INFO_MASK       (0x40000000)
 #define QED_LOG_NOTICE_MASK     (0x80000000)

 enum DP_MODULE {
 	QED_MSG_SPQ	= 0x10000,
 	QED_MSG_STATS	= 0x20000,
 	QED_MSG_DCB	= 0x40000,
 	QED_MSG_IOV	= 0x80000,
 	QED_MSG_SP	= 0x100000,
 	QED_MSG_STORAGE = 0x200000,
 	QED_MSG_CXT	= 0x800000,
 	QED_MSG_ILT	= 0x2000000,
 	QED_MSG_ROCE	= 0x4000000,
 	QED_MSG_DEBUG	= 0x8000000,
 	/* to be added...up to 0x8000000 */
 };

 struct qed_eth_stats {
 	u64	no_buff_discards;
 	u64	packet_too_big_discard;
 	u64	ttl0_discard;
 	u64	rx_ucast_bytes;
 	u64	rx_mcast_bytes;
 	u64	rx_bcast_bytes;
 	u64	rx_ucast_pkts;
 	u64	rx_mcast_pkts;
 	u64	rx_bcast_pkts;
 	u64	mftag_filter_discards;
 	u64	mac_filter_discards;
 	u64	tx_ucast_bytes;
 	u64	tx_mcast_bytes;
 	u64	tx_bcast_bytes;
 	u64	tx_ucast_pkts;
 	u64	tx_mcast_pkts;
 	u64	tx_bcast_pkts;
 	u64	tx_err_drop_pkts;
 	u64	tpa_coalesced_pkts;
 	u64	tpa_coalesced_events;
 	u64	tpa_aborts_num;
 	u64	tpa_not_coalesced_pkts;
 	u64	tpa_coalesced_bytes;

 	/* port */
 	u64	rx_64_byte_packets;
 	u64	rx_127_byte_packets;
 	u64	rx_255_byte_packets;
 	u64	rx_511_byte_packets;
 	u64	rx_1023_byte_packets;
 	u64	rx_1518_byte_packets;
 	u64	rx_1522_byte_packets;
 	u64	rx_2047_byte_packets;
 	u64	rx_4095_byte_packets;
 	u64	rx_9216_byte_packets;
 	u64	rx_16383_byte_packets;
 	u64	rx_crc_errors;
 	u64	rx_mac_crtl_frames;
 	u64	rx_pause_frames;
 	u64	rx_pfc_frames;
 	u64	rx_align_errors;
 	u64	rx_carrier_errors;
 	u64	rx_oversize_packets;
 	u64	rx_jabbers;
 	u64	rx_undersize_packets;
 	u64	rx_fragments;
 	u64	tx_64_byte_packets;
 	u64	tx_65_to_127_byte_packets;
 	u64	tx_128_to_255_byte_packets;
 	u64	tx_256_to_511_byte_packets;
 	u64	tx_512_to_1023_byte_packets;
 	u64	tx_1024_to_1518_byte_packets;
 	u64	tx_1519_to_2047_byte_packets;
 	u64	tx_2048_to_4095_byte_packets;
 	u64	tx_4096_to_9216_byte_packets;
 	u64	tx_9217_to_16383_byte_packets;
 	u64	tx_pause_frames;
 	u64	tx_pfc_frames;
 	u64	tx_lpi_entry_count;
 	u64	tx_total_collisions;
 	u64	brb_truncates;
 	u64	brb_discards;
 	u64	rx_mac_bytes;
 	u64	rx_mac_uc_packets;
 	u64	rx_mac_mc_packets;
 	u64	rx_mac_bc_packets;
 	u64	rx_mac_frames_ok;
 	u64	tx_mac_bytes;
 	u64	tx_mac_uc_packets;
 	u64	tx_mac_mc_packets;
 	u64	tx_mac_bc_packets;
 	u64	tx_mac_ctrl_frames;
 };

 #define QED_SB_IDX              0x0002

 #define RX_PI           0
 #define TX_PI(tc)       (RX_PI + 1 + tc)

 static inline u16 qed_sb_update_sb_idx(struct qed_sb_info *sb_info)
 {
 	u32 prod = 0;
 	u16 rc = 0;

 	prod = le32_to_cpu(sb_info->sb_virt->prod_index) &
 	       STATUS_BLOCK_PROD_INDEX_MASK;
 	if (sb_info->sb_ack != prod) {
 		sb_info->sb_ack = prod;
 		rc |= QED_SB_IDX;
 	}

 	/* Let SB update */
 	mmiowb();
 	return rc;
 }

 /**
  *
  * @brief This function creates an update command for interrupts that is
  *        written to the IGU.
  *
  * @param sb_info       - This is the structure allocated and
  *                 initialized per status block. Assumption is
  *                 that it was initialized using qed_sb_init
  * @param int_cmd       - Enable/Disable/Nop
  * @param upd_flg       - whether igu consumer should be
  *                 updated.
  *
  * @return inline void
  */
 static inline void qed_sb_ack(struct qed_sb_info *sb_info,
 			      enum igu_int_cmd int_cmd,
 			      u8 upd_flg)
 {
 	struct igu_prod_cons_update igu_ack = { 0 };

 	igu_ack.sb_id_and_flags =
 		((sb_info->sb_ack << IGU_PROD_CONS_UPDATE_SB_INDEX_SHIFT) |
 		 (upd_flg << IGU_PROD_CONS_UPDATE_UPDATE_FLAG_SHIFT) |
 		 (int_cmd << IGU_PROD_CONS_UPDATE_ENABLE_INT_SHIFT) |
 		 (IGU_SEG_ACCESS_REG <<
 		  IGU_PROD_CONS_UPDATE_SEGMENT_ACCESS_SHIFT));

 	DIRECT_REG_WR(sb_info->igu_addr, igu_ack.sb_id_and_flags);

 	/* Both segments (interrupts & acks) are written to same place address;
 	 * Need to guarantee all commands will be received (in-order) by HW.
 	 */
 	mmiowb();
 	barrier();
 }

 static inline void __internal_ram_wr(void *p_hwfn,
 				     void __iomem *addr,
 				     int size,
 				     u32 *data)

 {
 	unsigned int i;

 	for (i = 0; i < size / sizeof(*data); i++)
 		DIRECT_REG_WR(&((u32 __iomem *)addr)[i], data[i]);
 }

 static inline void internal_ram_wr(void __iomem *addr,
 				   int size,
 				   u32 *data)
 {
 	__internal_ram_wr(NULL, addr, size, data);
 }

 #endif
	/* 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_IF_H
	#define _QED_IF_H

	#include <linux/types.h>
	#include <linux/interrupt.h>
	#include <linux/netdevice.h>
	#include <linux/pci.h>
	#include <linux/skbuff.h>
	#include <linux/types.h>
	#include <asm/byteorder.h>
	#include <linux/io.h>
	#include <linux/compiler.h>
	#include <linux/kernel.h>
	#include <linux/list.h>
	#include <linux/slab.h>
	#include <linux/qed/common_hsi.h>
	#include <linux/qed/qed_chain.h>

	enum qed_led_mode {
	QED_LED_MODE_OFF,
	QED_LED_MODE_ON,
	QED_LED_MODE_RESTORE
	};

	#define DIRECT_REG_WR(reg_addr, val) writel((u32)val, \
	(void __iomem *)(reg_addr))

	#define DIRECT_REG_RD(reg_addr) readl((void __iomem *)(reg_addr))

	#define QED_COALESCE_MAX 0xFF

	/* forward */
	struct qed_dev;

	struct qed_eth_pf_params {
	/* The following parameters are used during HW-init
	* and these parameters need to be passed as arguments
	* to update_pf_params routine invoked before slowpath start
	*/
	u16 num_cons;
	};

	struct qed_pf_params {
	struct qed_eth_pf_params eth_pf_params;
	};

	enum qed_int_mode {
	QED_INT_MODE_INTA,
	QED_INT_MODE_MSIX,
	QED_INT_MODE_MSI,
	QED_INT_MODE_POLL,
	};

	struct qed_sb_info {
	struct status_block *sb_virt;
	dma_addr_t sb_phys;
	u32 sb_ack; /* Last given ack */
	u16 igu_sb_id;
	void __iomem *igu_addr;
	u8 flags;
	#define QED_SB_INFO_INIT 0x1
	#define QED_SB_INFO_SETUP 0x2

	struct qed_dev *cdev;
	};

	struct qed_dev_info {
	unsigned long pci_mem_start;
	unsigned long pci_mem_end;
	unsigned int pci_irq;
	u8 num_hwfns;

	u8 hw_mac[ETH_ALEN];
	bool is_mf;

	/* FW version */
	u16 fw_major;
	u16 fw_minor;
	u16 fw_rev;
	u16 fw_eng;

	/* MFW version */
	u32 mfw_rev;

	u32 flash_size;
	u8 mf_mode;
	};

	enum qed_sb_type {
	QED_SB_TYPE_L2_QUEUE,
	};

	enum qed_protocol {
	QED_PROTOCOL_ETH,
	};

	struct qed_link_params {
	bool link_up;

	#define QED_LINK_OVERRIDE_SPEED_AUTONEG BIT(0)
	#define QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS BIT(1)
	#define QED_LINK_OVERRIDE_SPEED_FORCED_SPEED BIT(2)
	#define QED_LINK_OVERRIDE_PAUSE_CONFIG BIT(3)
	u32 override_flags;
	bool autoneg;
	u32 adv_speeds;
	u32 forced_speed;
	#define QED_LINK_PAUSE_AUTONEG_ENABLE BIT(0)
	#define QED_LINK_PAUSE_RX_ENABLE BIT(1)
	#define QED_LINK_PAUSE_TX_ENABLE BIT(2)
	u32 pause_config;
	};

	struct qed_link_output {
	bool link_up;

	u32 supported_caps; /* In SUPPORTED defs */
	u32 advertised_caps; /* In ADVERTISED defs */
	u32 lp_caps; /* In ADVERTISED defs */
	u32 speed; /* In Mb/s */
	u8 duplex; /* In DUPLEX defs */
	u8 port; /* In PORT defs */
	bool autoneg;
	u32 pause_config;
	};

	#define QED_DRV_VER_STR_SIZE 12
	struct qed_slowpath_params {
	u32 int_mode;
	u8 drv_major;
	u8 drv_minor;
	u8 drv_rev;
	u8 drv_eng;
	u8 name[QED_DRV_VER_STR_SIZE];
	};

	#define ILT_PAGE_SIZE_TCFC 0x8000 /* 32KB */

	struct qed_int_info {
	struct msix_entry *msix;
	u8 msix_cnt;

	/* This should be updated by the protocol driver */
	u8 used_cnt;
	};

	struct qed_common_cb_ops {
	void (link_update)(void dev,
	struct qed_link_output *link);
	};

	struct qed_common_ops {
	struct qed_dev* (probe)(struct pci_dev dev,
	enum qed_protocol protocol,
	u32 dp_module, u8 dp_level);

	void (remove)(struct qed_dev cdev);

	int (set_power_state)(struct qed_dev cdev,
	pci_power_t state);

	void (set_id)(struct qed_dev cdev,
	char name[],
	char ver_str[]);

	/* Client drivers need to make this call before slowpath_start.
	* PF params required for the call before slowpath_start is
	* documented within the qed_pf_params structure definition.
	*/
	void (update_pf_params)(struct qed_dev cdev,
	struct qed_pf_params *params);
	int (slowpath_start)(struct qed_dev cdev,
	struct qed_slowpath_params *params);

	int (slowpath_stop)(struct qed_dev cdev);

	/* Requests to use `cnt' interrupts for fastpath.
	* upon success, returns number of interrupts allocated for fastpath.
	*/
	int (set_fp_int)(struct qed_dev cdev,
	u16 cnt);

	/* Fills `info' with pointers required for utilizing interrupts */
	int (get_fp_int)(struct qed_dev cdev,
	struct qed_int_info *info);

	u32 (sb_init)(struct qed_dev cdev,
	struct qed_sb_info *sb_info,
	void *sb_virt_addr,
	dma_addr_t sb_phy_addr,
	u16 sb_id,
	enum qed_sb_type type);

	u32 (sb_release)(struct qed_dev cdev,
	struct qed_sb_info *sb_info,
	u16 sb_id);

	void (simd_handler_config)(struct qed_dev cdev,
	void *token,
	int index,
	void (handler)(void ));

	void (simd_handler_clean)(struct qed_dev cdev,
	int index);
	/**
	* @brief set_link - set links according to params
	*
	* @param cdev
	* @param params - values used to override the default link configuration
	*
	* @return 0 on success, error otherwise.
	*/
	int (set_link)(struct qed_dev cdev,
	struct qed_link_params *params);

	/**
	* @brief get_link - returns the current link state.
	*
	* @param cdev
	* @param if_link - structure to be filled with current link configuration.
	*/
	void (get_link)(struct qed_dev cdev,
	struct qed_link_output *if_link);

	/**
	* @brief - drains chip in case Tx completions fail to arrive due to pause.
	*
	* @param cdev
	*/
	int (drain)(struct qed_dev cdev);

	/**
	* @brief update_msglvl - update module debug level
	*
	* @param cdev
	* @param dp_module
	* @param dp_level
	*/
	void (update_msglvl)(struct qed_dev cdev,
	u32 dp_module,
	u8 dp_level);

	int (chain_alloc)(struct qed_dev cdev,
	enum qed_chain_use_mode intended_use,
	enum qed_chain_mode mode,
	u16 num_elems,
	size_t elem_size,
	struct qed_chain *p_chain);

	void (chain_free)(struct qed_dev cdev,
	struct qed_chain *p_chain);

	/**
	* @brief set_led - Configure LED mode
	*
	* @param cdev
	* @param mode - LED mode
	*
	* @return 0 on success, error otherwise.
	*/
	int (set_led)(struct qed_dev cdev,
	enum qed_led_mode mode);
	};

	/**
	* @brief qed_get_protocol_version
	*
	* @param protocol
	*
	* @return version supported by qed for given protocol driver
	*/
	u32 qed_get_protocol_version(enum qed_protocol protocol);

	#define MASK_FIELD(_name, _value) \
	((_value) &= (_name ## _MASK))

	#define FIELD_VALUE(_name, _value) \
	((_value & _name ## _MASK) << _name ## _SHIFT)

	#define SET_FIELD(value, name, flag) \
	do { \
	(value) &= ~(name ## _MASK << name ## _SHIFT); \
	(value) \|= (((u64)flag) << (name ## _SHIFT)); \
	} while (0)

	#define GET_FIELD(value, name) \
	(((value) >> (name ## _SHIFT)) & name ## _MASK)

	/* Debug print definitions */
	#define DP_ERR(cdev, fmt, ...) \
	pr_err("[%s:%d(%s)]" fmt, \
	__func__, __LINE__, \
	DP_NAME(cdev) ? DP_NAME(cdev) : "", \
	## __VA_ARGS__) \

	#define DP_NOTICE(cdev, fmt, ...) \
	do { \
	if (unlikely((cdev)->dp_level <= QED_LEVEL_NOTICE)) { \
	pr_notice("[%s:%d(%s)]" fmt, \
	__func__, __LINE__, \
	DP_NAME(cdev) ? DP_NAME(cdev) : "", \
	## __VA_ARGS__); \
	\
	} \
	} while (0)

	#define DP_INFO(cdev, fmt, ...) \
	do { \
	if (unlikely((cdev)->dp_level <= QED_LEVEL_INFO)) { \
	pr_notice("[%s:%d(%s)]" fmt, \
	__func__, __LINE__, \
	DP_NAME(cdev) ? DP_NAME(cdev) : "", \
	## __VA_ARGS__); \
	} \
	} while (0)

	#define DP_VERBOSE(cdev, module, fmt, ...) \
	do { \
	if (unlikely(((cdev)->dp_level <= QED_LEVEL_VERBOSE) && \
	((cdev)->dp_module & module))) { \
	pr_notice("[%s:%d(%s)]" fmt, \
	__func__, __LINE__, \
	DP_NAME(cdev) ? DP_NAME(cdev) : "", \
	## __VA_ARGS__); \
	} \
	} while (0)

	enum DP_LEVEL {
	QED_LEVEL_VERBOSE = 0x0,
	QED_LEVEL_INFO = 0x1,
	QED_LEVEL_NOTICE = 0x2,
	QED_LEVEL_ERR = 0x3,
	};

	#define QED_LOG_LEVEL_SHIFT (30)
	#define QED_LOG_VERBOSE_MASK (0x3fffffff)
	#define QED_LOG_INFO_MASK (0x40000000)
	#define QED_LOG_NOTICE_MASK (0x80000000)

	enum DP_MODULE {
	QED_MSG_SPQ = 0x10000,
	QED_MSG_STATS = 0x20000,
	QED_MSG_DCB = 0x40000,
	QED_MSG_IOV = 0x80000,
	QED_MSG_SP = 0x100000,
	QED_MSG_STORAGE = 0x200000,
	QED_MSG_CXT = 0x800000,
	QED_MSG_ILT = 0x2000000,
	QED_MSG_ROCE = 0x4000000,
	QED_MSG_DEBUG = 0x8000000,
	/* to be added...up to 0x8000000 */
	};

	struct qed_eth_stats {
	u64 no_buff_discards;
	u64 packet_too_big_discard;
	u64 ttl0_discard;
	u64 rx_ucast_bytes;
	u64 rx_mcast_bytes;
	u64 rx_bcast_bytes;
	u64 rx_ucast_pkts;
	u64 rx_mcast_pkts;
	u64 rx_bcast_pkts;
	u64 mftag_filter_discards;
	u64 mac_filter_discards;
	u64 tx_ucast_bytes;
	u64 tx_mcast_bytes;
	u64 tx_bcast_bytes;
	u64 tx_ucast_pkts;
	u64 tx_mcast_pkts;
	u64 tx_bcast_pkts;
	u64 tx_err_drop_pkts;
	u64 tpa_coalesced_pkts;
	u64 tpa_coalesced_events;
	u64 tpa_aborts_num;
	u64 tpa_not_coalesced_pkts;
	u64 tpa_coalesced_bytes;

	/* port */
	u64 rx_64_byte_packets;
	u64 rx_127_byte_packets;
	u64 rx_255_byte_packets;
	u64 rx_511_byte_packets;
	u64 rx_1023_byte_packets;
	u64 rx_1518_byte_packets;
	u64 rx_1522_byte_packets;
	u64 rx_2047_byte_packets;
	u64 rx_4095_byte_packets;
	u64 rx_9216_byte_packets;
	u64 rx_16383_byte_packets;
	u64 rx_crc_errors;
	u64 rx_mac_crtl_frames;
	u64 rx_pause_frames;
	u64 rx_pfc_frames;
	u64 rx_align_errors;
	u64 rx_carrier_errors;
	u64 rx_oversize_packets;
	u64 rx_jabbers;
	u64 rx_undersize_packets;
	u64 rx_fragments;
	u64 tx_64_byte_packets;
	u64 tx_65_to_127_byte_packets;
	u64 tx_128_to_255_byte_packets;
	u64 tx_256_to_511_byte_packets;
	u64 tx_512_to_1023_byte_packets;
	u64 tx_1024_to_1518_byte_packets;
	u64 tx_1519_to_2047_byte_packets;
	u64 tx_2048_to_4095_byte_packets;
	u64 tx_4096_to_9216_byte_packets;
	u64 tx_9217_to_16383_byte_packets;
	u64 tx_pause_frames;
	u64 tx_pfc_frames;
	u64 tx_lpi_entry_count;
	u64 tx_total_collisions;
	u64 brb_truncates;
	u64 brb_discards;
	u64 rx_mac_bytes;
	u64 rx_mac_uc_packets;
	u64 rx_mac_mc_packets;
	u64 rx_mac_bc_packets;
	u64 rx_mac_frames_ok;
	u64 tx_mac_bytes;
	u64 tx_mac_uc_packets;
	u64 tx_mac_mc_packets;
	u64 tx_mac_bc_packets;
	u64 tx_mac_ctrl_frames;
	};

	#define QED_SB_IDX 0x0002

	#define RX_PI 0
	#define TX_PI(tc) (RX_PI + 1 + tc)

	static inline u16 qed_sb_update_sb_idx(struct qed_sb_info *sb_info)
	{
	u32 prod = 0;
	u16 rc = 0;

	prod = le32_to_cpu(sb_info->sb_virt->prod_index) &
	STATUS_BLOCK_PROD_INDEX_MASK;
	if (sb_info->sb_ack != prod) {
	sb_info->sb_ack = prod;
	rc \|= QED_SB_IDX;
	}

	/* Let SB update */
	mmiowb();
	return rc;
	}

	/**
	*
	* @brief This function creates an update command for interrupts that is
	* written to the IGU.
	*
	* @param sb_info - This is the structure allocated and
	* initialized per status block. Assumption is
	* that it was initialized using qed_sb_init
	* @param int_cmd - Enable/Disable/Nop
	* @param upd_flg - whether igu consumer should be
	* updated.
	*
	* @return inline void
	*/
	static inline void qed_sb_ack(struct qed_sb_info *sb_info,
	enum igu_int_cmd int_cmd,
	u8 upd_flg)
	{
	struct igu_prod_cons_update igu_ack = { 0 };

	igu_ack.sb_id_and_flags =
	((sb_info->sb_ack << IGU_PROD_CONS_UPDATE_SB_INDEX_SHIFT) \|
	(upd_flg << IGU_PROD_CONS_UPDATE_UPDATE_FLAG_SHIFT) \|
	(int_cmd << IGU_PROD_CONS_UPDATE_ENABLE_INT_SHIFT) \|
	(IGU_SEG_ACCESS_REG <<
	IGU_PROD_CONS_UPDATE_SEGMENT_ACCESS_SHIFT));

	DIRECT_REG_WR(sb_info->igu_addr, igu_ack.sb_id_and_flags);

	/* Both segments (interrupts & acks) are written to same place address;
	* Need to guarantee all commands will be received (in-order) by HW.
	*/
	mmiowb();
	barrier();
	}

	static inline void __internal_ram_wr(void *p_hwfn,
	void __iomem *addr,
	int size,
	u32 *data)

	{
	unsigned int i;

	for (i = 0; i < size / sizeof(*data); i++)
	DIRECT_REG_WR(&((u32 __iomem *)addr)[i], data[i]);
	}

	static inline void internal_ram_wr(void __iomem *addr,
	int size,
	u32 *data)
	{
	__internal_ram_wr(NULL, addr, size, data);
	}

	#endif