cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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bnx2x_sriov.h (20174B)


      1/* bnx2x_sriov.h: QLogic Everest network driver.
      2 *
      3 * Copyright 2009-2013 Broadcom Corporation
      4 * Copyright 2014 QLogic Corporation
      5 * All rights reserved
      6 *
      7 * Unless you and QLogic execute a separate written software license
      8 * agreement governing use of this software, this software is licensed to you
      9 * under the terms of the GNU General Public License version 2, available
     10 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL").
     11 *
     12 * Notwithstanding the above, under no circumstances may you combine this
     13 * software in any way with any other QLogic software provided under a
     14 * license other than the GPL, without QLogic's express prior written
     15 * consent.
     16 *
     17 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
     18 * Written by: Shmulik Ravid
     19 *	       Ariel Elior <ariel.elior@qlogic.com>
     20 */
     21#ifndef BNX2X_SRIOV_H
     22#define BNX2X_SRIOV_H
     23
     24#include "bnx2x_vfpf.h"
     25#include "bnx2x.h"
     26
     27enum sample_bulletin_result {
     28	   PFVF_BULLETIN_UNCHANGED,
     29	   PFVF_BULLETIN_UPDATED,
     30	   PFVF_BULLETIN_CRC_ERR
     31};
     32
     33#ifdef CONFIG_BNX2X_SRIOV
     34
     35extern struct workqueue_struct *bnx2x_iov_wq;
     36
     37/* The bnx2x device structure holds vfdb structure described below.
     38 * The VF array is indexed by the relative vfid.
     39 */
     40#define BNX2X_VF_MAX_QUEUES		16
     41#define BNX2X_VF_MAX_TPA_AGG_QUEUES	8
     42
     43struct bnx2x_sriov {
     44	u32 first_vf_in_pf;
     45
     46	/* standard SRIOV capability fields, mostly for debugging */
     47	int pos;		/* capability position */
     48	int nres;		/* number of resources */
     49	u32 cap;		/* SR-IOV Capabilities */
     50	u16 ctrl;		/* SR-IOV Control */
     51	u16 total;		/* total VFs associated with the PF */
     52	u16 initial;		/* initial VFs associated with the PF */
     53	u16 nr_virtfn;		/* number of VFs available */
     54	u16 offset;		/* first VF Routing ID offset */
     55	u16 stride;		/* following VF stride */
     56	u32 pgsz;		/* page size for BAR alignment */
     57	u8 link;		/* Function Dependency Link */
     58};
     59
     60/* bars */
     61struct bnx2x_vf_bar {
     62	u64 bar;
     63	u32 size;
     64};
     65
     66struct bnx2x_vf_bar_info {
     67	struct bnx2x_vf_bar bars[PCI_SRIOV_NUM_BARS];
     68	u8 nr_bars;
     69};
     70
     71/* vf queue (used both for rx or tx) */
     72struct bnx2x_vf_queue {
     73	struct eth_context		*cxt;
     74
     75	/* MACs object */
     76	struct bnx2x_vlan_mac_obj	mac_obj;
     77
     78	/* VLANs object */
     79	struct bnx2x_vlan_mac_obj	vlan_obj;
     80
     81	/* VLAN-MACs object */
     82	struct bnx2x_vlan_mac_obj	vlan_mac_obj;
     83
     84	unsigned long accept_flags;	/* last accept flags configured */
     85
     86	/* Queue Slow-path State object */
     87	struct bnx2x_queue_sp_obj	sp_obj;
     88
     89	u32 cid;
     90	u16 index;
     91	u16 sb_idx;
     92	bool is_leading;
     93	bool sp_initialized;
     94};
     95
     96/* struct bnx2x_vf_queue_construct_params - prepare queue construction
     97 * parameters: q-init, q-setup and SB index
     98 */
     99struct bnx2x_vf_queue_construct_params {
    100	struct bnx2x_queue_state_params		qstate;
    101	struct bnx2x_queue_setup_params		prep_qsetup;
    102};
    103
    104/* forward */
    105struct bnx2x_virtf;
    106
    107/* VFOP definitions */
    108
    109struct bnx2x_vf_mac_vlan_filter {
    110	int type;
    111#define BNX2X_VF_FILTER_MAC	BIT(0)
    112#define BNX2X_VF_FILTER_VLAN	BIT(1)
    113#define BNX2X_VF_FILTER_VLAN_MAC \
    114	(BNX2X_VF_FILTER_MAC | BNX2X_VF_FILTER_VLAN) /*shortcut*/
    115
    116	bool add;
    117	bool applied;
    118	u8 *mac;
    119	u16 vid;
    120};
    121
    122struct bnx2x_vf_mac_vlan_filters {
    123	int count;
    124	struct bnx2x_vf_mac_vlan_filter filters[];
    125};
    126
    127/* vf context */
    128struct bnx2x_virtf {
    129	u16 cfg_flags;
    130#define VF_CFG_STATS_COALESCE	0x1
    131#define VF_CFG_EXT_BULLETIN	0x2
    132#define VF_CFG_VLAN_FILTER	0x4
    133	u8 link_cfg;		/* IFLA_VF_LINK_STATE_AUTO
    134				 * IFLA_VF_LINK_STATE_ENABLE
    135				 * IFLA_VF_LINK_STATE_DISABLE
    136				 */
    137	u8 state;
    138#define VF_FREE		0	/* VF ready to be acquired holds no resc */
    139#define VF_ACQUIRED	1	/* VF acquired, but not initialized */
    140#define VF_ENABLED	2	/* VF Enabled */
    141#define VF_RESET	3	/* VF FLR'd, pending cleanup */
    142#define VF_LOST		4	/* Recovery while VFs are loaded */
    143
    144	bool flr_clnup_stage;	/* true during flr cleanup */
    145	bool malicious;		/* true if FW indicated so, until FLR */
    146	/* 1(true) if spoof check is enabled */
    147	u8 spoofchk;
    148
    149	/* dma */
    150	dma_addr_t fw_stat_map;
    151	u16 stats_stride;
    152	dma_addr_t bulletin_map;
    153
    154	/* Allocated resources counters. Before the VF is acquired, the
    155	 * counters hold the following values:
    156	 *
    157	 * - xxq_count = 0 as the queues memory is not allocated yet.
    158	 *
    159	 * - sb_count  = The number of status blocks configured for this VF in
    160	 *		 the IGU CAM. Initially read during probe.
    161	 *
    162	 * - xx_rules_count = The number of rules statically and equally
    163	 *		      allocated for each VF, during PF load.
    164	 */
    165	struct vf_pf_resc_request	alloc_resc;
    166#define vf_rxq_count(vf)		((vf)->alloc_resc.num_rxqs)
    167#define vf_txq_count(vf)		((vf)->alloc_resc.num_txqs)
    168#define vf_sb_count(vf)			((vf)->alloc_resc.num_sbs)
    169#define vf_mac_rules_cnt(vf)		((vf)->alloc_resc.num_mac_filters)
    170#define vf_vlan_rules_cnt(vf)		((vf)->alloc_resc.num_vlan_filters)
    171#define vf_mc_rules_cnt(vf)		((vf)->alloc_resc.num_mc_filters)
    172
    173	u8 sb_count;	/* actual number of SBs */
    174	u8 igu_base_id;	/* base igu status block id */
    175
    176	struct bnx2x_vf_queue	*vfqs;
    177#define LEADING_IDX			0
    178#define bnx2x_vfq_is_leading(vfq)	((vfq)->index == LEADING_IDX)
    179#define bnx2x_vfq(vf, nr, var)		((vf)->vfqs[(nr)].var)
    180#define bnx2x_leading_vfq(vf, var)	((vf)->vfqs[LEADING_IDX].var)
    181
    182	u8 index;	/* index in the vf array */
    183	u8 abs_vfid;
    184	u8 sp_cl_id;
    185	u32 error;	/* 0 means all's-well */
    186
    187	/* BDF */
    188	unsigned int domain;
    189	unsigned int bus;
    190	unsigned int devfn;
    191
    192	/* bars */
    193	struct bnx2x_vf_bar bars[PCI_SRIOV_NUM_BARS];
    194
    195	/* set-mac ramrod state 1-pending, 0-done */
    196	unsigned long	filter_state;
    197
    198	/* leading rss client id ~~ the client id of the first rxq, must be
    199	 * set for each txq.
    200	 */
    201	int leading_rss;
    202
    203	/* MCAST object */
    204	struct bnx2x_mcast_obj		mcast_obj;
    205
    206	/* RSS configuration object */
    207	struct bnx2x_rss_config_obj     rss_conf_obj;
    208
    209	/* slow-path operations */
    210	struct mutex			op_mutex; /* one vfop at a time mutex */
    211	enum channel_tlvs		op_current;
    212
    213	u8 fp_hsi;
    214
    215	struct bnx2x_credit_pool_obj	vf_vlans_pool;
    216	struct bnx2x_credit_pool_obj	vf_macs_pool;
    217};
    218
    219#define BNX2X_NR_VIRTFN(bp)	((bp)->vfdb->sriov.nr_virtfn)
    220
    221#define for_each_vf(bp, var) \
    222		for ((var) = 0; (var) < BNX2X_NR_VIRTFN(bp); (var)++)
    223
    224#define for_each_vfq(vf, var) \
    225		for ((var) = 0; (var) < vf_rxq_count(vf); (var)++)
    226
    227#define for_each_vf_sb(vf, var) \
    228		for ((var) = 0; (var) < vf_sb_count(vf); (var)++)
    229
    230#define is_vf_multi(vf)	(vf_rxq_count(vf) > 1)
    231
    232#define HW_VF_HANDLE(bp, abs_vfid) \
    233	(u16)(BP_ABS_FUNC((bp)) | (1<<3) |  ((u16)(abs_vfid) << 4))
    234
    235#define FW_PF_MAX_HANDLE	8
    236
    237#define FW_VF_HANDLE(abs_vfid)	\
    238	(abs_vfid + FW_PF_MAX_HANDLE)
    239
    240#define GET_NUM_VFS_PER_PATH(bp)	64 /* use max possible value */
    241#define GET_NUM_VFS_PER_PF(bp)		((bp)->vfdb ? (bp)->vfdb->sriov.total \
    242						    : 0)
    243#define VF_MAC_CREDIT_CNT		1
    244#define VF_VLAN_CREDIT_CNT		2 /* VLAN0 + 'real' VLAN */
    245
    246/* locking and unlocking the channel mutex */
    247void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
    248			      enum channel_tlvs tlv);
    249
    250void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf,
    251				enum channel_tlvs expected_tlv);
    252
    253/* VF mail box (aka vf-pf channel) */
    254
    255/* a container for the bi-directional vf<-->pf messages.
    256 *  The actual response will be placed according to the offset parameter
    257 *  provided in the request
    258 */
    259
    260#define MBX_MSG_ALIGN	8
    261#define MBX_MSG_ALIGNED_SIZE	(roundup(sizeof(struct bnx2x_vf_mbx_msg), \
    262				MBX_MSG_ALIGN))
    263
    264struct bnx2x_vf_mbx_msg {
    265	union vfpf_tlvs req;
    266	union pfvf_tlvs resp;
    267};
    268
    269struct bnx2x_vf_mbx {
    270	struct bnx2x_vf_mbx_msg *msg;
    271	dma_addr_t msg_mapping;
    272
    273	/* VF GPA address */
    274	u32 vf_addr_lo;
    275	u32 vf_addr_hi;
    276
    277	struct vfpf_first_tlv first_tlv;	/* saved VF request header */
    278};
    279
    280struct bnx2x_vf_sp {
    281	union {
    282		struct eth_classify_rules_ramrod_data	e2;
    283	} mac_rdata;
    284
    285	union {
    286		struct eth_classify_rules_ramrod_data	e2;
    287	} vlan_rdata;
    288
    289	union {
    290		struct eth_classify_rules_ramrod_data	e2;
    291	} vlan_mac_rdata;
    292
    293	union {
    294		struct eth_filter_rules_ramrod_data	e2;
    295	} rx_mode_rdata;
    296
    297	union {
    298		struct eth_multicast_rules_ramrod_data  e2;
    299	} mcast_rdata;
    300
    301	union {
    302		struct client_init_ramrod_data  init_data;
    303		struct client_update_ramrod_data update_data;
    304	} q_data;
    305
    306	union {
    307		struct eth_rss_update_ramrod_data e2;
    308	} rss_rdata;
    309};
    310
    311struct hw_dma {
    312	void *addr;
    313	dma_addr_t mapping;
    314	size_t size;
    315};
    316
    317struct bnx2x_vfdb {
    318#define BP_VFDB(bp)		((bp)->vfdb)
    319	/* vf array */
    320	struct bnx2x_virtf	*vfs;
    321#define BP_VF(bp, idx)		((BP_VFDB(bp) && (bp)->vfdb->vfs) ? \
    322					&((bp)->vfdb->vfs[idx]) : NULL)
    323#define bnx2x_vf(bp, idx, var)	((bp)->vfdb->vfs[idx].var)
    324
    325	/* queue array - for all vfs */
    326	struct bnx2x_vf_queue *vfqs;
    327
    328	/* vf HW contexts */
    329	struct hw_dma		context[BNX2X_VF_CIDS/ILT_PAGE_CIDS];
    330#define	BP_VF_CXT_PAGE(bp, i)	(&(bp)->vfdb->context[i])
    331
    332	/* SR-IOV information */
    333	struct bnx2x_sriov	sriov;
    334	struct hw_dma		mbx_dma;
    335#define BP_VF_MBX_DMA(bp)	(&((bp)->vfdb->mbx_dma))
    336	struct bnx2x_vf_mbx	mbxs[BNX2X_MAX_NUM_OF_VFS];
    337#define BP_VF_MBX(bp, vfid)	(&((bp)->vfdb->mbxs[vfid]))
    338
    339	struct hw_dma		bulletin_dma;
    340#define BP_VF_BULLETIN_DMA(bp)	(&((bp)->vfdb->bulletin_dma))
    341#define	BP_VF_BULLETIN(bp, vf) \
    342	(((struct pf_vf_bulletin_content *)(BP_VF_BULLETIN_DMA(bp)->addr)) \
    343	 + (vf))
    344
    345	struct hw_dma		sp_dma;
    346#define bnx2x_vf_sp(bp, vf, field) ((bp)->vfdb->sp_dma.addr +		\
    347		(vf)->index * sizeof(struct bnx2x_vf_sp) +		\
    348		offsetof(struct bnx2x_vf_sp, field))
    349#define bnx2x_vf_sp_map(bp, vf, field) ((bp)->vfdb->sp_dma.mapping +	\
    350		(vf)->index * sizeof(struct bnx2x_vf_sp) +		\
    351		offsetof(struct bnx2x_vf_sp, field))
    352
    353#define FLRD_VFS_DWORDS (BNX2X_MAX_NUM_OF_VFS / 32)
    354	u32 flrd_vfs[FLRD_VFS_DWORDS];
    355
    356	/* the number of msix vectors belonging to this PF designated for VFs */
    357	u16 vf_sbs_pool;
    358	u16 first_vf_igu_entry;
    359
    360	/* sp_rtnl synchronization */
    361	struct mutex			event_mutex;
    362	u64				event_occur;
    363
    364	/* bulletin board update synchronization */
    365	struct mutex			bulletin_mutex;
    366};
    367
    368/* queue access */
    369static inline struct bnx2x_vf_queue *vfq_get(struct bnx2x_virtf *vf, u8 index)
    370{
    371	return &(vf->vfqs[index]);
    372}
    373
    374/* FW ids */
    375static inline u8 vf_igu_sb(struct bnx2x_virtf *vf, u16 sb_idx)
    376{
    377	return vf->igu_base_id + sb_idx;
    378}
    379
    380static inline u8 vf_hc_qzone(struct bnx2x_virtf *vf, u16 sb_idx)
    381{
    382	return vf_igu_sb(vf, sb_idx);
    383}
    384
    385static u8 vfq_cl_id(struct bnx2x_virtf *vf, struct bnx2x_vf_queue *q)
    386{
    387	return vf->igu_base_id + q->index;
    388}
    389
    390static inline u8 vfq_stat_id(struct bnx2x_virtf *vf, struct bnx2x_vf_queue *q)
    391{
    392	if (vf->cfg_flags & VF_CFG_STATS_COALESCE)
    393		return vf->leading_rss;
    394	else
    395		return vfq_cl_id(vf, q);
    396}
    397
    398static inline u8 vfq_qzone_id(struct bnx2x_virtf *vf, struct bnx2x_vf_queue *q)
    399{
    400	return vfq_cl_id(vf, q);
    401}
    402
    403/* global iov routines */
    404int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line);
    405int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, int num_vfs_param);
    406void bnx2x_iov_remove_one(struct bnx2x *bp);
    407void bnx2x_iov_free_mem(struct bnx2x *bp);
    408int bnx2x_iov_alloc_mem(struct bnx2x *bp);
    409int bnx2x_iov_nic_init(struct bnx2x *bp);
    410int bnx2x_iov_chip_cleanup(struct bnx2x *bp);
    411void bnx2x_iov_init_dq(struct bnx2x *bp);
    412void bnx2x_iov_init_dmae(struct bnx2x *bp);
    413void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
    414				struct bnx2x_queue_sp_obj **q_obj);
    415int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem);
    416void bnx2x_iov_adjust_stats_req(struct bnx2x *bp);
    417void bnx2x_iov_storm_stats_update(struct bnx2x *bp);
    418/* global vf mailbox routines */
    419void bnx2x_vf_mbx(struct bnx2x *bp);
    420void bnx2x_vf_mbx_schedule(struct bnx2x *bp,
    421			   struct vf_pf_event_data *vfpf_event);
    422void bnx2x_vf_enable_mbx(struct bnx2x *bp, u8 abs_vfid);
    423
    424/* CORE VF API */
    425typedef u8 bnx2x_mac_addr_t[ETH_ALEN];
    426
    427/* acquire */
    428int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf,
    429		     struct vf_pf_resc_request *resc);
    430/* init */
    431int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf,
    432		  dma_addr_t *sb_map);
    433
    434/* VFOP queue construction helpers */
    435void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf,
    436			    struct bnx2x_queue_init_params *init_params,
    437			    struct bnx2x_queue_setup_params *setup_params,
    438			    u16 q_idx, u16 sb_idx);
    439
    440void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf,
    441			    struct bnx2x_queue_init_params *init_params,
    442			    struct bnx2x_queue_setup_params *setup_params,
    443			    u16 q_idx, u16 sb_idx);
    444
    445void bnx2x_vfop_qctor_prep(struct bnx2x *bp,
    446			   struct bnx2x_virtf *vf,
    447			   struct bnx2x_vf_queue *q,
    448			   struct bnx2x_vf_queue_construct_params *p,
    449			   unsigned long q_type);
    450
    451int bnx2x_vf_mac_vlan_config_list(struct bnx2x *bp, struct bnx2x_virtf *vf,
    452				  struct bnx2x_vf_mac_vlan_filters *filters,
    453				  int qid, bool drv_only);
    454
    455int bnx2x_vf_queue_setup(struct bnx2x *bp, struct bnx2x_virtf *vf, int qid,
    456			 struct bnx2x_vf_queue_construct_params *qctor);
    457
    458int bnx2x_vf_queue_teardown(struct bnx2x *bp, struct bnx2x_virtf *vf, int qid);
    459
    460int bnx2x_vf_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf,
    461		   bnx2x_mac_addr_t *mcasts, int mc_num, bool drv_only);
    462
    463int bnx2x_vf_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf,
    464		    int qid, unsigned long accept_flags);
    465
    466int bnx2x_vf_close(struct bnx2x *bp, struct bnx2x_virtf *vf);
    467
    468int bnx2x_vf_free(struct bnx2x *bp, struct bnx2x_virtf *vf);
    469
    470int bnx2x_vf_rss_update(struct bnx2x *bp, struct bnx2x_virtf *vf,
    471			struct bnx2x_config_rss_params *rss);
    472
    473int bnx2x_vf_tpa_update(struct bnx2x *bp, struct bnx2x_virtf *vf,
    474			struct vfpf_tpa_tlv *tlv,
    475			struct bnx2x_queue_update_tpa_params *params);
    476
    477/* VF release ~ VF close + VF release-resources
    478 *
    479 * Release is the ultimate SW shutdown and is called whenever an
    480 * irrecoverable error is encountered.
    481 */
    482int bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf);
    483int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid);
    484u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf);
    485
    486/* FLR routines */
    487
    488/* VF FLR helpers */
    489int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid);
    490void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid);
    491
    492/* Handles an FLR (or VF_DISABLE) notification form the MCP */
    493void bnx2x_vf_handle_flr_event(struct bnx2x *bp);
    494
    495bool bnx2x_tlv_supported(u16 tlvtype);
    496
    497u32 bnx2x_crc_vf_bulletin(struct pf_vf_bulletin_content *bulletin);
    498int bnx2x_post_vf_bulletin(struct bnx2x *bp, int vf);
    499void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin,
    500				bool support_long);
    501
    502enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp);
    503
    504/* VF side vfpf channel functions */
    505int bnx2x_vfpf_acquire(struct bnx2x *bp, u8 tx_count, u8 rx_count);
    506int bnx2x_vfpf_release(struct bnx2x *bp);
    507int bnx2x_vfpf_init(struct bnx2x *bp);
    508void bnx2x_vfpf_close_vf(struct bnx2x *bp);
    509int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp,
    510		       bool is_leading);
    511int bnx2x_vfpf_config_mac(struct bnx2x *bp, const u8 *addr, u8 vf_qid,
    512			  bool set);
    513int bnx2x_vfpf_config_rss(struct bnx2x *bp,
    514			  struct bnx2x_config_rss_params *params);
    515int bnx2x_vfpf_set_mcast(struct net_device *dev);
    516int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp);
    517
    518static inline void bnx2x_vf_fill_fw_str(struct bnx2x *bp, char *buf,
    519					size_t buf_len)
    520{
    521	strlcpy(buf, bp->acquire_resp.pfdev_info.fw_ver, buf_len);
    522}
    523
    524static inline int bnx2x_vf_ustorm_prods_offset(struct bnx2x *bp,
    525					       struct bnx2x_fastpath *fp)
    526{
    527	return PXP_VF_ADDR_USDM_QUEUES_START +
    528		bp->acquire_resp.resc.hw_qid[fp->index] *
    529		sizeof(struct ustorm_queue_zone_data);
    530}
    531
    532enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp);
    533void bnx2x_timer_sriov(struct bnx2x *bp);
    534void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp);
    535void bnx2x_vf_pci_dealloc(struct bnx2x *bp);
    536int bnx2x_vf_pci_alloc(struct bnx2x *bp);
    537int bnx2x_enable_sriov(struct bnx2x *bp);
    538void bnx2x_disable_sriov(struct bnx2x *bp);
    539static inline int bnx2x_vf_headroom(struct bnx2x *bp)
    540{
    541	return bp->vfdb->sriov.nr_virtfn * BNX2X_CIDS_PER_VF;
    542}
    543void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp);
    544int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs);
    545void bnx2x_iov_channel_down(struct bnx2x *bp);
    546
    547void bnx2x_iov_task(struct work_struct *work);
    548
    549void bnx2x_schedule_iov_task(struct bnx2x *bp, enum bnx2x_iov_flag flag);
    550
    551void bnx2x_iov_link_update(struct bnx2x *bp);
    552int bnx2x_iov_link_update_vf(struct bnx2x *bp, int idx);
    553
    554int bnx2x_set_vf_link_state(struct net_device *dev, int vf, int link_state);
    555
    556int bnx2x_vfpf_update_vlan(struct bnx2x *bp, u16 vid, u8 vf_qid, bool add);
    557#else /* CONFIG_BNX2X_SRIOV */
    558
    559#define GET_NUM_VFS_PER_PATH(bp)	0
    560#define GET_NUM_VFS_PER_PF(bp)		0
    561#define VF_MAC_CREDIT_CNT		0
    562#define VF_VLAN_CREDIT_CNT		0
    563
    564static inline void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid,
    565				struct bnx2x_queue_sp_obj **q_obj) {}
    566static inline void bnx2x_vf_handle_flr_event(struct bnx2x *bp) {}
    567static inline int bnx2x_iov_eq_sp_event(struct bnx2x *bp,
    568					union event_ring_elem *elem) {return 1; }
    569static inline void bnx2x_vf_mbx(struct bnx2x *bp) {}
    570static inline void bnx2x_vf_mbx_schedule(struct bnx2x *bp,
    571					 struct vf_pf_event_data *vfpf_event) {}
    572static inline int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line) {return line; }
    573static inline void bnx2x_iov_init_dq(struct bnx2x *bp) {}
    574static inline int bnx2x_iov_alloc_mem(struct bnx2x *bp) {return 0; }
    575static inline void bnx2x_iov_free_mem(struct bnx2x *bp) {}
    576static inline int bnx2x_iov_chip_cleanup(struct bnx2x *bp) {return 0; }
    577static inline void bnx2x_iov_init_dmae(struct bnx2x *bp) {}
    578static inline int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param,
    579				     int num_vfs_param) {return 0; }
    580static inline void bnx2x_iov_remove_one(struct bnx2x *bp) {}
    581static inline int bnx2x_enable_sriov(struct bnx2x *bp) {return 0; }
    582static inline void bnx2x_disable_sriov(struct bnx2x *bp) {}
    583static inline int bnx2x_vfpf_acquire(struct bnx2x *bp,
    584				     u8 tx_count, u8 rx_count) {return 0; }
    585static inline int bnx2x_vfpf_release(struct bnx2x *bp) {return 0; }
    586static inline int bnx2x_vfpf_init(struct bnx2x *bp) {return 0; }
    587static inline void bnx2x_vfpf_close_vf(struct bnx2x *bp) {}
    588static inline int bnx2x_vfpf_setup_q(struct bnx2x *bp, struct bnx2x_fastpath *fp, bool is_leading) {return 0; }
    589static inline int bnx2x_vfpf_config_mac(struct bnx2x *bp, const u8 *addr,
    590					u8 vf_qid, bool set) {return 0; }
    591static inline int bnx2x_vfpf_config_rss(struct bnx2x *bp,
    592					struct bnx2x_config_rss_params *params) {return 0; }
    593static inline int bnx2x_vfpf_set_mcast(struct net_device *dev) {return 0; }
    594static inline int bnx2x_vfpf_storm_rx_mode(struct bnx2x *bp) {return 0; }
    595static inline int bnx2x_iov_nic_init(struct bnx2x *bp) {return 0; }
    596static inline int bnx2x_vf_headroom(struct bnx2x *bp) {return 0; }
    597static inline void bnx2x_iov_adjust_stats_req(struct bnx2x *bp) {}
    598static inline void bnx2x_vf_fill_fw_str(struct bnx2x *bp, char *buf,
    599					size_t buf_len) {}
    600static inline int bnx2x_vf_ustorm_prods_offset(struct bnx2x *bp,
    601					       struct bnx2x_fastpath *fp) {return 0; }
    602static inline enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp)
    603{
    604	return PFVF_BULLETIN_UNCHANGED;
    605}
    606static inline void bnx2x_timer_sriov(struct bnx2x *bp) {}
    607
    608static inline void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp)
    609{
    610	return NULL;
    611}
    612
    613static inline void bnx2x_vf_pci_dealloc(struct bnx2x *bp) {}
    614static inline int bnx2x_vf_pci_alloc(struct bnx2x *bp) {return 0; }
    615static inline void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp) {}
    616static inline int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs) {return 0; }
    617static inline void bnx2x_iov_channel_down(struct bnx2x *bp) {}
    618
    619static inline void bnx2x_iov_task(struct work_struct *work) {}
    620static inline void bnx2x_schedule_iov_task(struct bnx2x *bp, enum bnx2x_iov_flag flag) {}
    621static inline void bnx2x_iov_link_update(struct bnx2x *bp) {}
    622static inline int bnx2x_iov_link_update_vf(struct bnx2x *bp, int idx) {return 0; }
    623
    624static inline int bnx2x_set_vf_link_state(struct net_device *dev, int vf,
    625					  int link_state) {return 0; }
    626struct pf_vf_bulletin_content;
    627static inline void bnx2x_vf_bulletin_finalize(struct pf_vf_bulletin_content *bulletin,
    628					      bool support_long) {}
    629
    630static inline int bnx2x_vfpf_update_vlan(struct bnx2x *bp, u16 vid, u8 vf_qid, bool add) {return 0; }
    631
    632#endif /* CONFIG_BNX2X_SRIOV */
    633#endif /* bnx2x_sriov.h */