drivers/net/ethernet/chelsio/cxgb4vf/t4vf_common.h - kernel/msm-4.9 - Gitiles

 /*
  * This file is part of the Chelsio T4 PCI-E SR-IOV Virtual Function Ethernet
  * driver for Linux.
  *
  * Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
  * licenses.  You may choose to be licensed 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, or the
  * OpenIB.org BSD license below:
  *
  *     Redistribution and use in source and binary forms, with or
  *     without modification, are permitted provided that the following
  *     conditions are met:
  *
  *      - Redistributions of source code must retain the above
  *        copyright notice, this list of conditions and the following
  *        disclaimer.
  *
  *      - Redistributions in binary form must reproduce the above
  *        copyright notice, this list of conditions and the following
  *        disclaimer in the documentation and/or other materials
  *        provided with the distribution.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  * SOFTWARE.
  */

 #ifndef __T4VF_COMMON_H__
 #define __T4VF_COMMON_H__

 #include "../cxgb4/t4fw_api.h"

 #define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) | (revision))
 #define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf)
 #define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf)

 /* All T4 and later chips have their PCI-E Device IDs encoded as 0xVFPP where:
  *
  *   V  = "4" for T4; "5" for T5, etc. or
  *      = "a" for T4 FPGA; "b" for T4 FPGA, etc.
  *   F  = "0" for PF 0..3; "4".."7" for PF4..7; and "8" for VFs
  *   PP = adapter product designation
  */
 #define CHELSIO_T4		0x4
 #define CHELSIO_T5		0x5

 enum chip_type {
 	T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1),
 	T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2),
 	T4_FIRST_REV	= T4_A1,
 	T4_LAST_REV	= T4_A2,

 	T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
 	T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1),
 	T5_FIRST_REV	= T5_A0,
 	T5_LAST_REV	= T5_A1,
 };

 /*
  * The "len16" field of a Firmware Command Structure ...
  */
 #define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)

 /*
  * Per-VF statistics.
  */
 struct t4vf_port_stats {
 	/*
 	 * TX statistics.
 	 */
 	u64 tx_bcast_bytes;		/* broadcast */
 	u64 tx_bcast_frames;
 	u64 tx_mcast_bytes;		/* multicast */
 	u64 tx_mcast_frames;
 	u64 tx_ucast_bytes;		/* unicast */
 	u64 tx_ucast_frames;
 	u64 tx_drop_frames;		/* TX dropped frames */
 	u64 tx_offload_bytes;		/* offload */
 	u64 tx_offload_frames;

 	/*
 	 * RX statistics.
 	 */
 	u64 rx_bcast_bytes;		/* broadcast */
 	u64 rx_bcast_frames;
 	u64 rx_mcast_bytes;		/* multicast */
 	u64 rx_mcast_frames;
 	u64 rx_ucast_bytes;
 	u64 rx_ucast_frames;		/* unicast */

 	u64 rx_err_frames;		/* RX error frames */
 };

 /*
  * Per-"port" (Virtual Interface) link configuration ...
  */
 struct link_config {
 	unsigned int   supported;        /* link capabilities */
 	unsigned int   advertising;      /* advertised capabilities */
 	unsigned short requested_speed;  /* speed user has requested */
 	unsigned short speed;            /* actual link speed */
 	unsigned char  requested_fc;     /* flow control user has requested */
 	unsigned char  fc;               /* actual link flow control */
 	unsigned char  autoneg;          /* autonegotiating? */
 	unsigned char  link_ok;          /* link up? */
 };

 enum {
 	PAUSE_RX      = 1 << 0,
 	PAUSE_TX      = 1 << 1,
 	PAUSE_AUTONEG = 1 << 2
 };

 /*
  * General device parameters ...
  */
 struct dev_params {
 	u32 fwrev;			/* firmware version */
 	u32 tprev;			/* TP Microcode Version */
 };

 /*
  * Scatter Gather Engine parameters.  These are almost all determined by the
  * Physical Function Driver.  We just need to grab them to see within which
  * environment we're playing ...
  */
 struct sge_params {
 	u32 sge_control;		/* padding, boundaries, lengths, etc. */
 	u32 sge_control2;		/* T5: more of the same */
 	u32 sge_host_page_size;		/* PF0-7 page sizes */
 	u32 sge_egress_queues_per_page;	/* PF0-7 egress queues/page */
 	u32 sge_ingress_queues_per_page;/* PF0-7 ingress queues/page */
 	u32 sge_vf_hps;                 /* host page size for our vf */
 	u32 sge_vf_eq_qpp;		/* egress queues/page for our VF */
 	u32 sge_vf_iq_qpp;		/* ingress queues/page for our VF */
 	u32 sge_fl_buffer_size[16];	/* free list buffer sizes */
 	u32 sge_ingress_rx_threshold;	/* RX counter interrupt threshold[4] */
 	u32 sge_congestion_control;     /* congestion thresholds, etc. */
 	u32 sge_timer_value_0_and_1;	/* interrupt coalescing timer values */
 	u32 sge_timer_value_2_and_3;
 	u32 sge_timer_value_4_and_5;
 };

 /*
  * Vital Product Data parameters.
  */
 struct vpd_params {
 	u32 cclk;			/* Core Clock (KHz) */
 };

 /*
  * Global Receive Side Scaling (RSS) parameters in host-native format.
  */
 struct rss_params {
 	unsigned int mode;		/* RSS mode */
 	union {
 	    struct {
 		unsigned int synmapen:1;	/* SYN Map Enable */
 		unsigned int syn4tupenipv6:1;	/* enable hashing 4-tuple IPv6 SYNs */
 		unsigned int syn2tupenipv6:1;	/* enable hashing 2-tuple IPv6 SYNs */
 		unsigned int syn4tupenipv4:1;	/* enable hashing 4-tuple IPv4 SYNs */
 		unsigned int syn2tupenipv4:1;	/* enable hashing 2-tuple IPv4 SYNs */
 		unsigned int ofdmapen:1;	/* Offload Map Enable */
 		unsigned int tnlmapen:1;	/* Tunnel Map Enable */
 		unsigned int tnlalllookup:1;	/* Tunnel All Lookup */
 		unsigned int hashtoeplitz:1;	/* use Toeplitz hash */
 	    } basicvirtual;
 	} u;
 };

 /*
  * Virtual Interface RSS Configuration in host-native format.
  */
 union rss_vi_config {
     struct {
 	u16 defaultq;			/* Ingress Queue ID for !tnlalllookup */
 	unsigned int ip6fourtupen:1;	/* hash 4-tuple IPv6 ingress packets */
 	unsigned int ip6twotupen:1;	/* hash 2-tuple IPv6 ingress packets */
 	unsigned int ip4fourtupen:1;	/* hash 4-tuple IPv4 ingress packets */
 	unsigned int ip4twotupen:1;	/* hash 2-tuple IPv4 ingress packets */
 	int udpen;			/* hash 4-tuple UDP ingress packets */
     } basicvirtual;
 };

 /*
  * Maximum resources provisioned for a PCI VF.
  */
 struct vf_resources {
 	unsigned int nvi;		/* N virtual interfaces */
 	unsigned int neq;		/* N egress Qs */
 	unsigned int nethctrl;		/* N egress ETH or CTRL Qs */
 	unsigned int niqflint;		/* N ingress Qs/w free list(s) & intr */
 	unsigned int niq;		/* N ingress Qs */
 	unsigned int tc;		/* PCI-E traffic class */
 	unsigned int pmask;		/* port access rights mask */
 	unsigned int nexactf;		/* N exact MPS filters */
 	unsigned int r_caps;		/* read capabilities */
 	unsigned int wx_caps;		/* write/execute capabilities */
 };

 /*
  * Per-"adapter" (Virtual Function) parameters.
  */
 struct adapter_params {
 	struct dev_params dev;		/* general device parameters */
 	struct sge_params sge;		/* Scatter Gather Engine */
 	struct vpd_params vpd;		/* Vital Product Data */
 	struct rss_params rss;		/* Receive Side Scaling */
 	struct vf_resources vfres;	/* Virtual Function Resource limits */
 	enum chip_type chip;		/* chip code */
 	u8 nports;			/* # of Ethernet "ports" */
 };

 #include "adapter.h"

 #ifndef PCI_VENDOR_ID_CHELSIO
 # define PCI_VENDOR_ID_CHELSIO 0x1425
 #endif

 #define for_each_port(adapter, iter) \
 	for (iter = 0; iter < (adapter)->params.nports; iter++)

 static inline bool is_10g_port(const struct link_config *lc)
 {
 	return (lc->supported & SUPPORTED_10000baseT_Full) != 0;
 }

 static inline bool is_x_10g_port(const struct link_config *lc)
 {
 	return (lc->supported & FW_PORT_CAP_SPEED_10G) != 0 ||
 		(lc->supported & FW_PORT_CAP_SPEED_40G) != 0;
 }

 static inline unsigned int core_ticks_per_usec(const struct adapter *adapter)
 {
 	return adapter->params.vpd.cclk / 1000;
 }

 static inline unsigned int us_to_core_ticks(const struct adapter *adapter,
 					    unsigned int us)
 {
 	return (us * adapter->params.vpd.cclk) / 1000;
 }

 static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
 					    unsigned int ticks)
 {
 	return (ticks * 1000) / adapter->params.vpd.cclk;
 }

 int t4vf_wr_mbox_core(struct adapter *, const void *, int, void *, bool);

 static inline int t4vf_wr_mbox(struct adapter *adapter, const void *cmd,
 			       int size, void *rpl)
 {
 	return t4vf_wr_mbox_core(adapter, cmd, size, rpl, true);
 }

 static inline int t4vf_wr_mbox_ns(struct adapter *adapter, const void *cmd,
 				  int size, void *rpl)
 {
 	return t4vf_wr_mbox_core(adapter, cmd, size, rpl, false);
 }

 #define CHELSIO_PCI_ID_VER(dev_id)  ((dev_id) >> 12)

 static inline int is_t4(enum chip_type chip)
 {
 	return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4;
 }

 int t4vf_wait_dev_ready(struct adapter *);
 int t4vf_port_init(struct adapter *, int);

 int t4vf_fw_reset(struct adapter *);
 int t4vf_set_params(struct adapter *, unsigned int, const u32 *, const u32 *);

 enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
 int t4_bar2_sge_qregs(struct adapter *adapter,
 		      unsigned int qid,
 		      enum t4_bar2_qtype qtype,
 		      u64 *pbar2_qoffset,
 		      unsigned int *pbar2_qid);

 int t4vf_get_sge_params(struct adapter *);
 int t4vf_get_vpd_params(struct adapter *);
 int t4vf_get_dev_params(struct adapter *);
 int t4vf_get_rss_glb_config(struct adapter *);
 int t4vf_get_vfres(struct adapter *);

 int t4vf_read_rss_vi_config(struct adapter *, unsigned int,
 			    union rss_vi_config *);
 int t4vf_write_rss_vi_config(struct adapter *, unsigned int,
 			     union rss_vi_config *);
 int t4vf_config_rss_range(struct adapter *, unsigned int, int, int,
 			  const u16 *, int);

 int t4vf_alloc_vi(struct adapter *, int);
 int t4vf_free_vi(struct adapter *, int);
 int t4vf_enable_vi(struct adapter *, unsigned int, bool, bool);
 int t4vf_identify_port(struct adapter *, unsigned int, unsigned int);

 int t4vf_set_rxmode(struct adapter *, unsigned int, int, int, int, int, int,
 		    bool);
 int t4vf_alloc_mac_filt(struct adapter *, unsigned int, bool, unsigned int,
 			const u8 **, u16 *, u64 *, bool);
 int t4vf_change_mac(struct adapter *, unsigned int, int, const u8 *, bool);
 int t4vf_set_addr_hash(struct adapter *, unsigned int, bool, u64, bool);
 int t4vf_get_port_stats(struct adapter *, int, struct t4vf_port_stats *);

 int t4vf_iq_free(struct adapter *, unsigned int, unsigned int, unsigned int,
 		 unsigned int);
 int t4vf_eth_eq_free(struct adapter *, unsigned int);

 int t4vf_handle_fw_rpl(struct adapter *, const __be64 *);
 int t4vf_prep_adapter(struct adapter *);

 #endif /* __T4VF_COMMON_H__ */
	/*
	* This file is part of the Chelsio T4 PCI-E SR-IOV Virtual Function Ethernet
	* driver for Linux.
	*
	* Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved.
	*
	* This software is available to you under a choice of one of two
	* licenses. You may choose to be licensed 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, or the
	* OpenIB.org BSD license below:
	*
	* Redistribution and use in source and binary forms, with or
	* without modification, are permitted provided that the following
	* conditions are met:
	*
	* - Redistributions of source code must retain the above
	* copyright notice, this list of conditions and the following
	* disclaimer.
	*
	* - Redistributions in binary form must reproduce the above
	* copyright notice, this list of conditions and the following
	* disclaimer in the documentation and/or other materials
	* provided with the distribution.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
	* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
	* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
	* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
	* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
	* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
	* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
	* SOFTWARE.
	*/

	#ifndef __T4VF_COMMON_H__
	#define __T4VF_COMMON_H__

	#include "../cxgb4/t4fw_api.h"

	#define CHELSIO_CHIP_CODE(version, revision) (((version) << 4) \| (revision))
	#define CHELSIO_CHIP_VERSION(code) (((code) >> 4) & 0xf)
	#define CHELSIO_CHIP_RELEASE(code) ((code) & 0xf)

	/* All T4 and later chips have their PCI-E Device IDs encoded as 0xVFPP where:
	*
	* V = "4" for T4; "5" for T5, etc. or
	* = "a" for T4 FPGA; "b" for T4 FPGA, etc.
	* F = "0" for PF 0..3; "4".."7" for PF4..7; and "8" for VFs
	* PP = adapter product designation
	*/
	#define CHELSIO_T4 0x4
	#define CHELSIO_T5 0x5

	enum chip_type {
	T4_A1 = CHELSIO_CHIP_CODE(CHELSIO_T4, 1),
	T4_A2 = CHELSIO_CHIP_CODE(CHELSIO_T4, 2),
	T4_FIRST_REV = T4_A1,
	T4_LAST_REV = T4_A2,

	T5_A0 = CHELSIO_CHIP_CODE(CHELSIO_T5, 0),
	T5_A1 = CHELSIO_CHIP_CODE(CHELSIO_T5, 1),
	T5_FIRST_REV = T5_A0,
	T5_LAST_REV = T5_A1,
	};

	/*
	* The "len16" field of a Firmware Command Structure ...
	*/
	#define FW_LEN16(fw_struct) FW_CMD_LEN16_V(sizeof(fw_struct) / 16)

	/*
	* Per-VF statistics.
	*/
	struct t4vf_port_stats {
	/*
	* TX statistics.
	*/
	u64 tx_bcast_bytes; /* broadcast */
	u64 tx_bcast_frames;
	u64 tx_mcast_bytes; /* multicast */
	u64 tx_mcast_frames;
	u64 tx_ucast_bytes; /* unicast */
	u64 tx_ucast_frames;
	u64 tx_drop_frames; /* TX dropped frames */
	u64 tx_offload_bytes; /* offload */
	u64 tx_offload_frames;

	/*
	* RX statistics.
	*/
	u64 rx_bcast_bytes; /* broadcast */
	u64 rx_bcast_frames;
	u64 rx_mcast_bytes; /* multicast */
	u64 rx_mcast_frames;
	u64 rx_ucast_bytes;
	u64 rx_ucast_frames; /* unicast */

	u64 rx_err_frames; /* RX error frames */
	};

	/*
	* Per-"port" (Virtual Interface) link configuration ...
	*/
	struct link_config {
	unsigned int supported; /* link capabilities */
	unsigned int advertising; /* advertised capabilities */
	unsigned short requested_speed; /* speed user has requested */
	unsigned short speed; /* actual link speed */
	unsigned char requested_fc; /* flow control user has requested */
	unsigned char fc; /* actual link flow control */
	unsigned char autoneg; /* autonegotiating? */
	unsigned char link_ok; /* link up? */
	};

	enum {
	PAUSE_RX = 1 << 0,
	PAUSE_TX = 1 << 1,
	PAUSE_AUTONEG = 1 << 2
	};

	/*
	* General device parameters ...
	*/
	struct dev_params {
	u32 fwrev; /* firmware version */
	u32 tprev; /* TP Microcode Version */
	};

	/*
	* Scatter Gather Engine parameters. These are almost all determined by the
	* Physical Function Driver. We just need to grab them to see within which
	* environment we're playing ...
	*/
	struct sge_params {
	u32 sge_control; /* padding, boundaries, lengths, etc. */
	u32 sge_control2; /* T5: more of the same */
	u32 sge_host_page_size; /* PF0-7 page sizes */
	u32 sge_egress_queues_per_page; /* PF0-7 egress queues/page */
	u32 sge_ingress_queues_per_page;/* PF0-7 ingress queues/page */
	u32 sge_vf_hps; /* host page size for our vf */
	u32 sge_vf_eq_qpp; /* egress queues/page for our VF */
	u32 sge_vf_iq_qpp; /* ingress queues/page for our VF */
	u32 sge_fl_buffer_size[16]; /* free list buffer sizes */
	u32 sge_ingress_rx_threshold; /* RX counter interrupt threshold[4] */
	u32 sge_congestion_control; /* congestion thresholds, etc. */
	u32 sge_timer_value_0_and_1; /* interrupt coalescing timer values */
	u32 sge_timer_value_2_and_3;
	u32 sge_timer_value_4_and_5;
	};

	/*
	* Vital Product Data parameters.
	*/
	struct vpd_params {
	u32 cclk; /* Core Clock (KHz) */
	};

	/*
	* Global Receive Side Scaling (RSS) parameters in host-native format.
	*/
	struct rss_params {
	unsigned int mode; /* RSS mode */
	union {
	struct {
	unsigned int synmapen:1; /* SYN Map Enable */
	unsigned int syn4tupenipv6:1; /* enable hashing 4-tuple IPv6 SYNs */
	unsigned int syn2tupenipv6:1; /* enable hashing 2-tuple IPv6 SYNs */
	unsigned int syn4tupenipv4:1; /* enable hashing 4-tuple IPv4 SYNs */
	unsigned int syn2tupenipv4:1; /* enable hashing 2-tuple IPv4 SYNs */
	unsigned int ofdmapen:1; /* Offload Map Enable */
	unsigned int tnlmapen:1; /* Tunnel Map Enable */
	unsigned int tnlalllookup:1; /* Tunnel All Lookup */
	unsigned int hashtoeplitz:1; /* use Toeplitz hash */
	} basicvirtual;
	} u;
	};

	/*
	* Virtual Interface RSS Configuration in host-native format.
	*/
	union rss_vi_config {
	struct {
	u16 defaultq; /* Ingress Queue ID for !tnlalllookup */
	unsigned int ip6fourtupen:1; /* hash 4-tuple IPv6 ingress packets */
	unsigned int ip6twotupen:1; /* hash 2-tuple IPv6 ingress packets */
	unsigned int ip4fourtupen:1; /* hash 4-tuple IPv4 ingress packets */
	unsigned int ip4twotupen:1; /* hash 2-tuple IPv4 ingress packets */
	int udpen; /* hash 4-tuple UDP ingress packets */
	} basicvirtual;
	};

	/*
	* Maximum resources provisioned for a PCI VF.
	*/
	struct vf_resources {
	unsigned int nvi; /* N virtual interfaces */
	unsigned int neq; /* N egress Qs */
	unsigned int nethctrl; /* N egress ETH or CTRL Qs */
	unsigned int niqflint; /* N ingress Qs/w free list(s) & intr */
	unsigned int niq; /* N ingress Qs */
	unsigned int tc; /* PCI-E traffic class */
	unsigned int pmask; /* port access rights mask */
	unsigned int nexactf; /* N exact MPS filters */
	unsigned int r_caps; /* read capabilities */
	unsigned int wx_caps; /* write/execute capabilities */
	};

	/*
	* Per-"adapter" (Virtual Function) parameters.
	*/
	struct adapter_params {
	struct dev_params dev; /* general device parameters */
	struct sge_params sge; /* Scatter Gather Engine */
	struct vpd_params vpd; /* Vital Product Data */
	struct rss_params rss; /* Receive Side Scaling */
	struct vf_resources vfres; /* Virtual Function Resource limits */
	enum chip_type chip; /* chip code */
	u8 nports; /* # of Ethernet "ports" */
	};

	#include "adapter.h"

	#ifndef PCI_VENDOR_ID_CHELSIO
	# define PCI_VENDOR_ID_CHELSIO 0x1425
	#endif

	#define for_each_port(adapter, iter) \
	for (iter = 0; iter < (adapter)->params.nports; iter++)

	static inline bool is_10g_port(const struct link_config *lc)
	{
	return (lc->supported & SUPPORTED_10000baseT_Full) != 0;
	}

	static inline bool is_x_10g_port(const struct link_config *lc)
	{
	return (lc->supported & FW_PORT_CAP_SPEED_10G) != 0 \|\|
	(lc->supported & FW_PORT_CAP_SPEED_40G) != 0;
	}

	static inline unsigned int core_ticks_per_usec(const struct adapter *adapter)
	{
	return adapter->params.vpd.cclk / 1000;
	}

	static inline unsigned int us_to_core_ticks(const struct adapter *adapter,
	unsigned int us)
	{
	return (us * adapter->params.vpd.cclk) / 1000;
	}

	static inline unsigned int core_ticks_to_us(const struct adapter *adapter,
	unsigned int ticks)
	{
	return (ticks * 1000) / adapter->params.vpd.cclk;
	}

	int t4vf_wr_mbox_core(struct adapter , const void , int, void *, bool);

	static inline int t4vf_wr_mbox(struct adapter adapter, const void cmd,
	int size, void *rpl)
	{
	return t4vf_wr_mbox_core(adapter, cmd, size, rpl, true);
	}

	static inline int t4vf_wr_mbox_ns(struct adapter adapter, const void cmd,
	int size, void *rpl)
	{
	return t4vf_wr_mbox_core(adapter, cmd, size, rpl, false);
	}

	#define CHELSIO_PCI_ID_VER(dev_id) ((dev_id) >> 12)

	static inline int is_t4(enum chip_type chip)
	{
	return CHELSIO_CHIP_VERSION(chip) == CHELSIO_T4;
	}

	int t4vf_wait_dev_ready(struct adapter *);
	int t4vf_port_init(struct adapter *, int);

	int t4vf_fw_reset(struct adapter *);
	int t4vf_set_params(struct adapter , unsigned int, const u32 , const u32 *);

	enum t4_bar2_qtype { T4_BAR2_QTYPE_EGRESS, T4_BAR2_QTYPE_INGRESS };
	int t4_bar2_sge_qregs(struct adapter *adapter,
	unsigned int qid,
	enum t4_bar2_qtype qtype,
	u64 *pbar2_qoffset,
	unsigned int *pbar2_qid);

	int t4vf_get_sge_params(struct adapter *);
	int t4vf_get_vpd_params(struct adapter *);
	int t4vf_get_dev_params(struct adapter *);
	int t4vf_get_rss_glb_config(struct adapter *);
	int t4vf_get_vfres(struct adapter *);

	int t4vf_read_rss_vi_config(struct adapter *, unsigned int,
	union rss_vi_config *);
	int t4vf_write_rss_vi_config(struct adapter *, unsigned int,
	union rss_vi_config *);
	int t4vf_config_rss_range(struct adapter *, unsigned int, int, int,
	const u16 *, int);

	int t4vf_alloc_vi(struct adapter *, int);
	int t4vf_free_vi(struct adapter *, int);
	int t4vf_enable_vi(struct adapter *, unsigned int, bool, bool);
	int t4vf_identify_port(struct adapter *, unsigned int, unsigned int);

	int t4vf_set_rxmode(struct adapter *, unsigned int, int, int, int, int, int,
	bool);
	int t4vf_alloc_mac_filt(struct adapter *, unsigned int, bool, unsigned int,
	const u8 *, u16 , u64 *, bool);
	int t4vf_change_mac(struct adapter , unsigned int, int, const u8 , bool);
	int t4vf_set_addr_hash(struct adapter *, unsigned int, bool, u64, bool);
	int t4vf_get_port_stats(struct adapter , int, struct t4vf_port_stats );

	int t4vf_iq_free(struct adapter *, unsigned int, unsigned int, unsigned int,
	unsigned int);
	int t4vf_eth_eq_free(struct adapter *, unsigned int);

	int t4vf_handle_fw_rpl(struct adapter , const __be64 );
	int t4vf_prep_adapter(struct adapter *);

	#endif /* __T4VF_COMMON_H__ */