cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
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qed_vf.h (29829B)


      1/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
      2/* QLogic qed NIC Driver
      3 * Copyright (c) 2015-2017  QLogic Corporation
      4 */
      5
      6#ifndef _QED_VF_H
      7#define _QED_VF_H
      8
      9#include "qed_l2.h"
     10#include "qed_mcp.h"
     11
     12#define T_ETH_INDIRECTION_TABLE_SIZE 128
     13#define T_ETH_RSS_KEY_SIZE 10
     14
     15struct vf_pf_resc_request {
     16	u8 num_rxqs;
     17	u8 num_txqs;
     18	u8 num_sbs;
     19	u8 num_mac_filters;
     20	u8 num_vlan_filters;
     21	u8 num_mc_filters;
     22	u8 num_cids;
     23	u8 padding;
     24};
     25
     26struct hw_sb_info {
     27	u16 hw_sb_id;
     28	u8 sb_qid;
     29	u8 padding[5];
     30};
     31
     32#define TLV_BUFFER_SIZE                 1024
     33
     34enum {
     35	PFVF_STATUS_WAITING,
     36	PFVF_STATUS_SUCCESS,
     37	PFVF_STATUS_FAILURE,
     38	PFVF_STATUS_NOT_SUPPORTED,
     39	PFVF_STATUS_NO_RESOURCE,
     40	PFVF_STATUS_FORCED,
     41	PFVF_STATUS_MALICIOUS,
     42};
     43
     44/* vf pf channel tlvs */
     45/* general tlv header (used for both vf->pf request and pf->vf response) */
     46struct channel_tlv {
     47	u16 type;
     48	u16 length;
     49};
     50
     51/* header of first vf->pf tlv carries the offset used to calculate response
     52 * buffer address
     53 */
     54struct vfpf_first_tlv {
     55	struct channel_tlv tl;
     56	u32 padding;
     57	u64 reply_address;
     58};
     59
     60/* header of pf->vf tlvs, carries the status of handling the request */
     61struct pfvf_tlv {
     62	struct channel_tlv tl;
     63	u8 status;
     64	u8 padding[3];
     65};
     66
     67/* response tlv used for most tlvs */
     68struct pfvf_def_resp_tlv {
     69	struct pfvf_tlv hdr;
     70};
     71
     72/* used to terminate and pad a tlv list */
     73struct channel_list_end_tlv {
     74	struct channel_tlv tl;
     75	u8 padding[4];
     76};
     77
     78#define VFPF_ACQUIRE_OS_LINUX (0)
     79#define VFPF_ACQUIRE_OS_WINDOWS (1)
     80#define VFPF_ACQUIRE_OS_ESX (2)
     81#define VFPF_ACQUIRE_OS_SOLARIS (3)
     82#define VFPF_ACQUIRE_OS_LINUX_USERSPACE (4)
     83
     84struct vfpf_acquire_tlv {
     85	struct vfpf_first_tlv first_tlv;
     86
     87	struct vf_pf_vfdev_info {
     88#define VFPF_ACQUIRE_CAP_PRE_FP_HSI     BIT(0) /* VF pre-FP hsi version */
     89#define VFPF_ACQUIRE_CAP_100G		BIT(1) /* VF can support 100g */
     90	/* A requirement for supporting multi-Tx queues on a single queue-zone,
     91	 * VF would pass qids as additional information whenever passing queue
     92	 * references.
     93	 */
     94#define VFPF_ACQUIRE_CAP_QUEUE_QIDS     BIT(2)
     95
     96	/* The VF is using the physical bar. While this is mostly internal
     97	 * to the VF, might affect the number of CIDs supported assuming
     98	 * QUEUE_QIDS is set.
     99	 */
    100#define VFPF_ACQUIRE_CAP_PHYSICAL_BAR   BIT(3)
    101		u64 capabilities;
    102		u8 fw_major;
    103		u8 fw_minor;
    104		u8 fw_revision;
    105		u8 fw_engineering;
    106		u32 driver_version;
    107		u16 opaque_fid;	/* ME register value */
    108		u8 os_type;	/* VFPF_ACQUIRE_OS_* value */
    109		u8 eth_fp_hsi_major;
    110		u8 eth_fp_hsi_minor;
    111		u8 padding[3];
    112	} vfdev_info;
    113
    114	struct vf_pf_resc_request resc_request;
    115
    116	u64 bulletin_addr;
    117	u32 bulletin_size;
    118	u32 padding;
    119};
    120
    121/* receive side scaling tlv */
    122struct vfpf_vport_update_rss_tlv {
    123	struct channel_tlv tl;
    124
    125	u8 update_rss_flags;
    126#define VFPF_UPDATE_RSS_CONFIG_FLAG       BIT(0)
    127#define VFPF_UPDATE_RSS_CAPS_FLAG         BIT(1)
    128#define VFPF_UPDATE_RSS_IND_TABLE_FLAG    BIT(2)
    129#define VFPF_UPDATE_RSS_KEY_FLAG          BIT(3)
    130
    131	u8 rss_enable;
    132	u8 rss_caps;
    133	u8 rss_table_size_log;	/* The table size is 2 ^ rss_table_size_log */
    134	u16 rss_ind_table[T_ETH_INDIRECTION_TABLE_SIZE];
    135	u32 rss_key[T_ETH_RSS_KEY_SIZE];
    136};
    137
    138struct pfvf_storm_stats {
    139	u32 address;
    140	u32 len;
    141};
    142
    143struct pfvf_stats_info {
    144	struct pfvf_storm_stats mstats;
    145	struct pfvf_storm_stats pstats;
    146	struct pfvf_storm_stats tstats;
    147	struct pfvf_storm_stats ustats;
    148};
    149
    150struct pfvf_acquire_resp_tlv {
    151	struct pfvf_tlv hdr;
    152
    153	struct pf_vf_pfdev_info {
    154		u32 chip_num;
    155		u32 mfw_ver;
    156
    157		u16 fw_major;
    158		u16 fw_minor;
    159		u16 fw_rev;
    160		u16 fw_eng;
    161
    162		u64 capabilities;
    163#define PFVF_ACQUIRE_CAP_DEFAULT_UNTAGGED	BIT(0)
    164#define PFVF_ACQUIRE_CAP_100G			BIT(1)	/* If set, 100g PF */
    165/* There are old PF versions where the PF might mistakenly override the sanity
    166 * mechanism [version-based] and allow a VF that can't be supported to pass
    167 * the acquisition phase.
    168 * To overcome this, PFs now indicate that they're past that point and the new
    169 * VFs would fail probe on the older PFs that fail to do so.
    170 */
    171#define PFVF_ACQUIRE_CAP_POST_FW_OVERRIDE	BIT(2)
    172
    173	/* PF expects queues to be received with additional qids */
    174#define PFVF_ACQUIRE_CAP_QUEUE_QIDS             BIT(3)
    175
    176		u16 db_size;
    177		u8 indices_per_sb;
    178		u8 os_type;
    179
    180		/* These should match the PF's qed_dev values */
    181		u16 chip_rev;
    182		u8 dev_type;
    183
    184		/* Doorbell bar size configured in HW: log(size) or 0 */
    185		u8 bar_size;
    186
    187		struct pfvf_stats_info stats_info;
    188
    189		u8 port_mac[ETH_ALEN];
    190
    191		/* It's possible PF had to configure an older fastpath HSI
    192		 * [in case VF is newer than PF]. This is communicated back
    193		 * to the VF. It can also be used in case of error due to
    194		 * non-matching versions to shed light in VF about failure.
    195		 */
    196		u8 major_fp_hsi;
    197		u8 minor_fp_hsi;
    198	} pfdev_info;
    199
    200	struct pf_vf_resc {
    201#define PFVF_MAX_QUEUES_PER_VF		16
    202#define PFVF_MAX_SBS_PER_VF		16
    203		struct hw_sb_info hw_sbs[PFVF_MAX_SBS_PER_VF];
    204		u8 hw_qid[PFVF_MAX_QUEUES_PER_VF];
    205		u8 cid[PFVF_MAX_QUEUES_PER_VF];
    206
    207		u8 num_rxqs;
    208		u8 num_txqs;
    209		u8 num_sbs;
    210		u8 num_mac_filters;
    211		u8 num_vlan_filters;
    212		u8 num_mc_filters;
    213		u8 num_cids;
    214		u8 padding;
    215	} resc;
    216
    217	u32 bulletin_size;
    218	u32 padding;
    219};
    220
    221struct pfvf_start_queue_resp_tlv {
    222	struct pfvf_tlv hdr;
    223	u32 offset;		/* offset to consumer/producer of queue */
    224	u8 padding[4];
    225};
    226
    227/* Extended queue information - additional index for reference inside qzone.
    228 * If communicated between VF/PF, each TLV relating to queues should be
    229 * extended by one such [or have a future base TLV that already contains info].
    230 */
    231struct vfpf_qid_tlv {
    232	struct channel_tlv tl;
    233	u8 qid;
    234	u8 padding[3];
    235};
    236
    237/* Setup Queue */
    238struct vfpf_start_rxq_tlv {
    239	struct vfpf_first_tlv first_tlv;
    240
    241	/* physical addresses */
    242	u64 rxq_addr;
    243	u64 deprecated_sge_addr;
    244	u64 cqe_pbl_addr;
    245
    246	u16 cqe_pbl_size;
    247	u16 hw_sb;
    248	u16 rx_qid;
    249	u16 hc_rate;		/* desired interrupts per sec. */
    250
    251	u16 bd_max_bytes;
    252	u16 stat_id;
    253	u8 sb_index;
    254	u8 padding[3];
    255};
    256
    257struct vfpf_start_txq_tlv {
    258	struct vfpf_first_tlv first_tlv;
    259
    260	/* physical addresses */
    261	u64 pbl_addr;
    262	u16 pbl_size;
    263	u16 stat_id;
    264	u16 tx_qid;
    265	u16 hw_sb;
    266
    267	u32 flags;		/* VFPF_QUEUE_FLG_X flags */
    268	u16 hc_rate;		/* desired interrupts per sec. */
    269	u8 sb_index;
    270	u8 padding[3];
    271};
    272
    273/* Stop RX Queue */
    274struct vfpf_stop_rxqs_tlv {
    275	struct vfpf_first_tlv first_tlv;
    276
    277	u16 rx_qid;
    278
    279	/* this field is deprecated and should *always* be set to '1' */
    280	u8 num_rxqs;
    281	u8 cqe_completion;
    282	u8 padding[4];
    283};
    284
    285/* Stop TX Queues */
    286struct vfpf_stop_txqs_tlv {
    287	struct vfpf_first_tlv first_tlv;
    288
    289	u16 tx_qid;
    290
    291	/* this field is deprecated and should *always* be set to '1' */
    292	u8 num_txqs;
    293	u8 padding[5];
    294};
    295
    296struct vfpf_update_rxq_tlv {
    297	struct vfpf_first_tlv first_tlv;
    298
    299	u64 deprecated_sge_addr[PFVF_MAX_QUEUES_PER_VF];
    300
    301	u16 rx_qid;
    302	u8 num_rxqs;
    303	u8 flags;
    304#define VFPF_RXQ_UPD_INIT_SGE_DEPRECATE_FLAG    BIT(0)
    305#define VFPF_RXQ_UPD_COMPLETE_CQE_FLAG          BIT(1)
    306#define VFPF_RXQ_UPD_COMPLETE_EVENT_FLAG        BIT(2)
    307
    308	u8 padding[4];
    309};
    310
    311/* Set Queue Filters */
    312struct vfpf_q_mac_vlan_filter {
    313	u32 flags;
    314#define VFPF_Q_FILTER_DEST_MAC_VALID    0x01
    315#define VFPF_Q_FILTER_VLAN_TAG_VALID    0x02
    316#define VFPF_Q_FILTER_SET_MAC           0x100	/* set/clear */
    317
    318	u8 mac[ETH_ALEN];
    319	u16 vlan_tag;
    320
    321	u8 padding[4];
    322};
    323
    324/* Start a vport */
    325struct vfpf_vport_start_tlv {
    326	struct vfpf_first_tlv first_tlv;
    327
    328	u64 sb_addr[PFVF_MAX_SBS_PER_VF];
    329
    330	u32 tpa_mode;
    331	u16 dep1;
    332	u16 mtu;
    333
    334	u8 vport_id;
    335	u8 inner_vlan_removal;
    336
    337	u8 only_untagged;
    338	u8 max_buffers_per_cqe;
    339
    340	u8 padding[4];
    341};
    342
    343/* Extended tlvs - need to add rss, mcast, accept mode tlvs */
    344struct vfpf_vport_update_activate_tlv {
    345	struct channel_tlv tl;
    346	u8 update_rx;
    347	u8 update_tx;
    348	u8 active_rx;
    349	u8 active_tx;
    350};
    351
    352struct vfpf_vport_update_tx_switch_tlv {
    353	struct channel_tlv tl;
    354	u8 tx_switching;
    355	u8 padding[3];
    356};
    357
    358struct vfpf_vport_update_vlan_strip_tlv {
    359	struct channel_tlv tl;
    360	u8 remove_vlan;
    361	u8 padding[3];
    362};
    363
    364struct vfpf_vport_update_mcast_bin_tlv {
    365	struct channel_tlv tl;
    366	u8 padding[4];
    367
    368	/* There are only 256 approx bins, and in HSI they're divided into
    369	 * 32-bit values. As old VFs used to set-bit to the values on its side,
    370	 * the upper half of the array is never expected to contain any data.
    371	 */
    372	u64 bins[4];
    373	u64 obsolete_bins[4];
    374};
    375
    376struct vfpf_vport_update_accept_param_tlv {
    377	struct channel_tlv tl;
    378	u8 update_rx_mode;
    379	u8 update_tx_mode;
    380	u8 rx_accept_filter;
    381	u8 tx_accept_filter;
    382};
    383
    384struct vfpf_vport_update_accept_any_vlan_tlv {
    385	struct channel_tlv tl;
    386	u8 update_accept_any_vlan_flg;
    387	u8 accept_any_vlan;
    388
    389	u8 padding[2];
    390};
    391
    392struct vfpf_vport_update_sge_tpa_tlv {
    393	struct channel_tlv tl;
    394
    395	u16 sge_tpa_flags;
    396#define VFPF_TPA_IPV4_EN_FLAG		BIT(0)
    397#define VFPF_TPA_IPV6_EN_FLAG		BIT(1)
    398#define VFPF_TPA_PKT_SPLIT_FLAG		BIT(2)
    399#define VFPF_TPA_HDR_DATA_SPLIT_FLAG	BIT(3)
    400#define VFPF_TPA_GRO_CONSIST_FLAG	BIT(4)
    401
    402	u8 update_sge_tpa_flags;
    403#define VFPF_UPDATE_SGE_DEPRECATED_FLAG	BIT(0)
    404#define VFPF_UPDATE_TPA_EN_FLAG		BIT(1)
    405#define VFPF_UPDATE_TPA_PARAM_FLAG	BIT(2)
    406
    407	u8 max_buffers_per_cqe;
    408
    409	u16 deprecated_sge_buff_size;
    410	u16 tpa_max_size;
    411	u16 tpa_min_size_to_start;
    412	u16 tpa_min_size_to_cont;
    413
    414	u8 tpa_max_aggs_num;
    415	u8 padding[7];
    416};
    417
    418/* Primary tlv as a header for various extended tlvs for
    419 * various functionalities in vport update ramrod.
    420 */
    421struct vfpf_vport_update_tlv {
    422	struct vfpf_first_tlv first_tlv;
    423};
    424
    425struct vfpf_ucast_filter_tlv {
    426	struct vfpf_first_tlv first_tlv;
    427
    428	u8 opcode;
    429	u8 type;
    430
    431	u8 mac[ETH_ALEN];
    432
    433	u16 vlan;
    434	u16 padding[3];
    435};
    436
    437/* tunnel update param tlv */
    438struct vfpf_update_tunn_param_tlv {
    439	struct vfpf_first_tlv first_tlv;
    440
    441	u8 tun_mode_update_mask;
    442	u8 tunn_mode;
    443	u8 update_tun_cls;
    444	u8 vxlan_clss;
    445	u8 l2gre_clss;
    446	u8 ipgre_clss;
    447	u8 l2geneve_clss;
    448	u8 ipgeneve_clss;
    449	u8 update_geneve_port;
    450	u8 update_vxlan_port;
    451	u16 geneve_port;
    452	u16 vxlan_port;
    453	u8 padding[2];
    454};
    455
    456struct pfvf_update_tunn_param_tlv {
    457	struct pfvf_tlv hdr;
    458
    459	u16 tunn_feature_mask;
    460	u8 vxlan_mode;
    461	u8 l2geneve_mode;
    462	u8 ipgeneve_mode;
    463	u8 l2gre_mode;
    464	u8 ipgre_mode;
    465	u8 vxlan_clss;
    466	u8 l2gre_clss;
    467	u8 ipgre_clss;
    468	u8 l2geneve_clss;
    469	u8 ipgeneve_clss;
    470	u16 vxlan_udp_port;
    471	u16 geneve_udp_port;
    472};
    473
    474struct tlv_buffer_size {
    475	u8 tlv_buffer[TLV_BUFFER_SIZE];
    476};
    477
    478struct vfpf_update_coalesce {
    479	struct vfpf_first_tlv first_tlv;
    480	u16 rx_coal;
    481	u16 tx_coal;
    482	u16 qid;
    483	u8 padding[2];
    484};
    485
    486struct vfpf_read_coal_req_tlv {
    487	struct vfpf_first_tlv first_tlv;
    488	u16 qid;
    489	u8 is_rx;
    490	u8 padding[5];
    491};
    492
    493struct pfvf_read_coal_resp_tlv {
    494	struct pfvf_tlv hdr;
    495	u16 coal;
    496	u8 padding[6];
    497};
    498
    499struct vfpf_bulletin_update_mac_tlv {
    500	struct vfpf_first_tlv first_tlv;
    501	u8 mac[ETH_ALEN];
    502	u8 padding[2];
    503};
    504
    505union vfpf_tlvs {
    506	struct vfpf_first_tlv first_tlv;
    507	struct vfpf_acquire_tlv acquire;
    508	struct vfpf_start_rxq_tlv start_rxq;
    509	struct vfpf_start_txq_tlv start_txq;
    510	struct vfpf_stop_rxqs_tlv stop_rxqs;
    511	struct vfpf_stop_txqs_tlv stop_txqs;
    512	struct vfpf_update_rxq_tlv update_rxq;
    513	struct vfpf_vport_start_tlv start_vport;
    514	struct vfpf_vport_update_tlv vport_update;
    515	struct vfpf_ucast_filter_tlv ucast_filter;
    516	struct vfpf_update_tunn_param_tlv tunn_param_update;
    517	struct vfpf_update_coalesce update_coalesce;
    518	struct vfpf_read_coal_req_tlv read_coal_req;
    519	struct vfpf_bulletin_update_mac_tlv bulletin_update_mac;
    520	struct tlv_buffer_size tlv_buf_size;
    521};
    522
    523union pfvf_tlvs {
    524	struct pfvf_def_resp_tlv default_resp;
    525	struct pfvf_acquire_resp_tlv acquire_resp;
    526	struct tlv_buffer_size tlv_buf_size;
    527	struct pfvf_start_queue_resp_tlv queue_start;
    528	struct pfvf_update_tunn_param_tlv tunn_param_resp;
    529	struct pfvf_read_coal_resp_tlv read_coal_resp;
    530};
    531
    532enum qed_bulletin_bit {
    533	/* Alert the VF that a forced MAC was set by the PF */
    534	MAC_ADDR_FORCED = 0,
    535	/* Alert the VF that a forced VLAN was set by the PF */
    536	VLAN_ADDR_FORCED = 2,
    537
    538	/* Indicate that `default_only_untagged' contains actual data */
    539	VFPF_BULLETIN_UNTAGGED_DEFAULT = 3,
    540	VFPF_BULLETIN_UNTAGGED_DEFAULT_FORCED = 4,
    541
    542	/* Alert the VF that suggested mac was sent by the PF.
    543	 * MAC_ADDR will be disabled in case MAC_ADDR_FORCED is set.
    544	 */
    545	VFPF_BULLETIN_MAC_ADDR = 5
    546};
    547
    548struct qed_bulletin_content {
    549	/* crc of structure to ensure is not in mid-update */
    550	u32 crc;
    551
    552	u32 version;
    553
    554	/* bitmap indicating which fields hold valid values */
    555	u64 valid_bitmap;
    556
    557	/* used for MAC_ADDR or MAC_ADDR_FORCED */
    558	u8 mac[ETH_ALEN];
    559
    560	/* If valid, 1 => only untagged Rx if no vlan is configured */
    561	u8 default_only_untagged;
    562	u8 padding;
    563
    564	/* The following is a 'copy' of qed_mcp_link_state,
    565	 * qed_mcp_link_params and qed_mcp_link_capabilities. Since it's
    566	 * possible the structs will increase further along the road we cannot
    567	 * have it here; Instead we need to have all of its fields.
    568	 */
    569	u8 req_autoneg;
    570	u8 req_autoneg_pause;
    571	u8 req_forced_rx;
    572	u8 req_forced_tx;
    573	u8 padding2[4];
    574
    575	u32 req_adv_speed;
    576	u32 req_forced_speed;
    577	u32 req_loopback;
    578	u32 padding3;
    579
    580	u8 link_up;
    581	u8 full_duplex;
    582	u8 autoneg;
    583	u8 autoneg_complete;
    584	u8 parallel_detection;
    585	u8 pfc_enabled;
    586	u8 partner_tx_flow_ctrl_en;
    587	u8 partner_rx_flow_ctrl_en;
    588	u8 partner_adv_pause;
    589	u8 sfp_tx_fault;
    590	u16 vxlan_udp_port;
    591	u16 geneve_udp_port;
    592	u8 padding4[2];
    593
    594	u32 speed;
    595	u32 partner_adv_speed;
    596
    597	u32 capability_speed;
    598
    599	/* Forced vlan */
    600	u16 pvid;
    601	u16 padding5;
    602};
    603
    604struct qed_bulletin {
    605	dma_addr_t phys;
    606	struct qed_bulletin_content *p_virt;
    607	u32 size;
    608};
    609
    610enum {
    611	CHANNEL_TLV_NONE,	/* ends tlv sequence */
    612	CHANNEL_TLV_ACQUIRE,
    613	CHANNEL_TLV_VPORT_START,
    614	CHANNEL_TLV_VPORT_UPDATE,
    615	CHANNEL_TLV_VPORT_TEARDOWN,
    616	CHANNEL_TLV_START_RXQ,
    617	CHANNEL_TLV_START_TXQ,
    618	CHANNEL_TLV_STOP_RXQS,
    619	CHANNEL_TLV_STOP_TXQS,
    620	CHANNEL_TLV_UPDATE_RXQ,
    621	CHANNEL_TLV_INT_CLEANUP,
    622	CHANNEL_TLV_CLOSE,
    623	CHANNEL_TLV_RELEASE,
    624	CHANNEL_TLV_LIST_END,
    625	CHANNEL_TLV_UCAST_FILTER,
    626	CHANNEL_TLV_VPORT_UPDATE_ACTIVATE,
    627	CHANNEL_TLV_VPORT_UPDATE_TX_SWITCH,
    628	CHANNEL_TLV_VPORT_UPDATE_VLAN_STRIP,
    629	CHANNEL_TLV_VPORT_UPDATE_MCAST,
    630	CHANNEL_TLV_VPORT_UPDATE_ACCEPT_PARAM,
    631	CHANNEL_TLV_VPORT_UPDATE_RSS,
    632	CHANNEL_TLV_VPORT_UPDATE_ACCEPT_ANY_VLAN,
    633	CHANNEL_TLV_VPORT_UPDATE_SGE_TPA,
    634	CHANNEL_TLV_UPDATE_TUNN_PARAM,
    635	CHANNEL_TLV_COALESCE_UPDATE,
    636	CHANNEL_TLV_QID,
    637	CHANNEL_TLV_COALESCE_READ,
    638	CHANNEL_TLV_BULLETIN_UPDATE_MAC,
    639	CHANNEL_TLV_MAX,
    640
    641	/* Required for iterating over vport-update tlvs.
    642	 * Will break in case non-sequential vport-update tlvs.
    643	 */
    644	CHANNEL_TLV_VPORT_UPDATE_MAX = CHANNEL_TLV_VPORT_UPDATE_SGE_TPA + 1,
    645};
    646
    647/* Default number of CIDs [total of both Rx and Tx] to be requested
    648 * by default, and maximum possible number.
    649 */
    650#define QED_ETH_VF_DEFAULT_NUM_CIDS (32)
    651#define QED_ETH_VF_MAX_NUM_CIDS (250)
    652
    653/* This data is held in the qed_hwfn structure for VFs only. */
    654struct qed_vf_iov {
    655	union vfpf_tlvs *vf2pf_request;
    656	dma_addr_t vf2pf_request_phys;
    657	union pfvf_tlvs *pf2vf_reply;
    658	dma_addr_t pf2vf_reply_phys;
    659
    660	/* Should be taken whenever the mailbox buffers are accessed */
    661	struct mutex mutex;
    662	u8 *offset;
    663
    664	/* Bulletin Board */
    665	struct qed_bulletin bulletin;
    666	struct qed_bulletin_content bulletin_shadow;
    667
    668	/* we set aside a copy of the acquire response */
    669	struct pfvf_acquire_resp_tlv acquire_resp;
    670
    671	/* In case PF originates prior to the fp-hsi version comparison,
    672	 * this has to be propagated as it affects the fastpath.
    673	 */
    674	bool b_pre_fp_hsi;
    675
    676	/* Current day VFs are passing the SBs physical address on vport
    677	 * start, and as they lack an IGU mapping they need to store the
    678	 * addresses of previously registered SBs.
    679	 * Even if we were to change configuration flow, due to backward
    680	 * compatibility [with older PFs] we'd still need to store these.
    681	 */
    682	struct qed_sb_info *sbs_info[PFVF_MAX_SBS_PER_VF];
    683
    684	/* Determines whether VF utilizes doorbells via limited register
    685	 * bar or via the doorbell bar.
    686	 */
    687	bool b_doorbell_bar;
    688};
    689
    690/**
    691 * qed_vf_pf_set_coalesce(): VF - Set Rx/Tx coalesce per VF's relative queue.
    692 *                                Coalesce value '0' will omit the
    693 *                                configuration.
    694 *
    695 * @p_hwfn: HW device data.
    696 * @rx_coal: coalesce value in micro second for rx queue.
    697 * @tx_coal: coalesce value in micro second for tx queue.
    698 * @p_cid: queue cid.
    699 *
    700 * Return: Int.
    701 *
    702 **/
    703int qed_vf_pf_set_coalesce(struct qed_hwfn *p_hwfn,
    704			   u16 rx_coal,
    705			   u16 tx_coal, struct qed_queue_cid *p_cid);
    706
    707/**
    708 * qed_vf_pf_get_coalesce(): VF - Get coalesce per VF's relative queue.
    709 *
    710 * @p_hwfn: HW device data.
    711 * @p_coal: coalesce value in micro second for VF queues.
    712 * @p_cid: queue cid.
    713 *
    714 * Return: Int.
    715 **/
    716int qed_vf_pf_get_coalesce(struct qed_hwfn *p_hwfn,
    717			   u16 *p_coal, struct qed_queue_cid *p_cid);
    718
    719#ifdef CONFIG_QED_SRIOV
    720/**
    721 * qed_vf_read_bulletin(): Read the VF bulletin and act on it if needed.
    722 *
    723 * @p_hwfn: HW device data.
    724 * @p_change: qed fills 1 iff bulletin board has changed, 0 otherwise.
    725 *
    726 * Return: enum _qed_status.
    727 */
    728int qed_vf_read_bulletin(struct qed_hwfn *p_hwfn, u8 *p_change);
    729
    730/**
    731 * qed_vf_get_link_params(): Get link parameters for VF from qed
    732 *
    733 * @p_hwfn: HW device data.
    734 * @params: the link params structure to be filled for the VF.
    735 *
    736 * Return: Void.
    737 */
    738void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
    739			    struct qed_mcp_link_params *params);
    740
    741/**
    742 * qed_vf_get_link_state(): Get link state for VF from qed.
    743 *
    744 * @p_hwfn: HW device data.
    745 * @link: the link state structure to be filled for the VF
    746 *
    747 * Return: Void.
    748 */
    749void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
    750			   struct qed_mcp_link_state *link);
    751
    752/**
    753 * qed_vf_get_link_caps(): Get link capabilities for VF from qed.
    754 *
    755 * @p_hwfn: HW device data.
    756 * @p_link_caps: the link capabilities structure to be filled for the VF
    757 *
    758 * Return: Void.
    759 */
    760void qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
    761			  struct qed_mcp_link_capabilities *p_link_caps);
    762
    763/**
    764 * qed_vf_get_num_rxqs(): Get number of Rx queues allocated for VF by qed
    765 *
    766 * @p_hwfn: HW device data.
    767 * @num_rxqs: allocated RX queues
    768 *
    769 * Return: Void.
    770 */
    771void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs);
    772
    773/**
    774 * qed_vf_get_num_txqs(): Get number of Rx queues allocated for VF by qed
    775 *
    776 * @p_hwfn: HW device data.
    777 * @num_txqs: allocated RX queues
    778 *
    779 * Return: Void.
    780 */
    781void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs);
    782
    783/**
    784 * qed_vf_get_num_cids(): Get number of available connections
    785 *                        [both Rx and Tx] for VF
    786 *
    787 * @p_hwfn: HW device data.
    788 * @num_cids: allocated number of connections
    789 *
    790 * Return: Void.
    791 */
    792void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids);
    793
    794/**
    795 * qed_vf_get_port_mac(): Get port mac address for VF.
    796 *
    797 * @p_hwfn: HW device data.
    798 * @port_mac: destination location for port mac
    799 *
    800 * Return: Void.
    801 */
    802void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac);
    803
    804/**
    805 * qed_vf_get_num_vlan_filters(): Get number of VLAN filters allocated
    806 *                                for VF by qed.
    807 *
    808 * @p_hwfn: HW device data.
    809 * @num_vlan_filters: allocated VLAN filters
    810 *
    811 * Return: Void.
    812 */
    813void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn,
    814				 u8 *num_vlan_filters);
    815
    816/**
    817 * qed_vf_get_num_mac_filters(): Get number of MAC filters allocated
    818 *                               for VF by qed
    819 *
    820 * @p_hwfn: HW device data.
    821 * @num_mac_filters: allocated MAC filters
    822 *
    823 * Return: Void.
    824 */
    825void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn, u8 *num_mac_filters);
    826
    827/**
    828 * qed_vf_check_mac(): Check if VF can set a MAC address
    829 *
    830 * @p_hwfn: HW device data.
    831 * @mac: Mac.
    832 *
    833 * Return: bool.
    834 */
    835bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac);
    836
    837/**
    838 * qed_vf_get_fw_version(): Set firmware version information
    839 *                          in dev_info from VFs acquire response tlv
    840 *
    841 * @p_hwfn: HW device data.
    842 * @fw_major: FW major.
    843 * @fw_minor: FW minor.
    844 * @fw_rev: FW rev.
    845 * @fw_eng: FW eng.
    846 *
    847 * Return: Void.
    848 */
    849void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
    850			   u16 *fw_major, u16 *fw_minor,
    851			   u16 *fw_rev, u16 *fw_eng);
    852
    853/**
    854 * qed_vf_hw_prepare(): hw preparation for VF  sends ACQUIRE message
    855 *
    856 * @p_hwfn: HW device data.
    857 *
    858 * Return: Int.
    859 */
    860int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn);
    861
    862/**
    863 * qed_vf_pf_rxq_start(): start the RX Queue by sending a message to the PF
    864 *
    865 * @p_hwfn: HW device data.
    866 * @p_cid: Only relative fields are relevant
    867 * @bd_max_bytes: maximum number of bytes per bd
    868 * @bd_chain_phys_addr: physical address of bd chain
    869 * @cqe_pbl_addr: physical address of pbl
    870 * @cqe_pbl_size: pbl size
    871 * @pp_prod: pointer to the producer to be used in fastpath
    872 *
    873 * Return: Int.
    874 */
    875int qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
    876			struct qed_queue_cid *p_cid,
    877			u16 bd_max_bytes,
    878			dma_addr_t bd_chain_phys_addr,
    879			dma_addr_t cqe_pbl_addr,
    880			u16 cqe_pbl_size, void __iomem **pp_prod);
    881
    882/**
    883 * qed_vf_pf_txq_start(): VF - start the TX queue by sending a message to the
    884 *                        PF.
    885 *
    886 * @p_hwfn: HW device data.
    887 * @p_cid: CID.
    888 * @pbl_addr: PBL address.
    889 * @pbl_size: PBL Size.
    890 * @pp_doorbell: pointer to address to which to write the doorbell too.
    891 *
    892 * Return: Int.
    893 */
    894int
    895qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
    896		    struct qed_queue_cid *p_cid,
    897		    dma_addr_t pbl_addr,
    898		    u16 pbl_size, void __iomem **pp_doorbell);
    899
    900/**
    901 * qed_vf_pf_rxq_stop(): VF - stop the RX queue by sending a message to the PF.
    902 *
    903 * @p_hwfn: HW device data.
    904 * @p_cid: CID.
    905 * @cqe_completion: CQE Completion.
    906 *
    907 * Return: Int.
    908 */
    909int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
    910		       struct qed_queue_cid *p_cid, bool cqe_completion);
    911
    912/**
    913 * qed_vf_pf_txq_stop(): VF - stop the TX queue by sending a message to the PF.
    914 *
    915 * @p_hwfn: HW device data.
    916 * @p_cid: CID.
    917 *
    918 * Return: Int.
    919 */
    920int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn, struct qed_queue_cid *p_cid);
    921
    922/**
    923 * qed_vf_pf_vport_update(): VF - send a vport update command.
    924 *
    925 * @p_hwfn: HW device data.
    926 * @p_params: Params
    927 *
    928 * Return: Int.
    929 */
    930int qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
    931			   struct qed_sp_vport_update_params *p_params);
    932
    933/**
    934 * qed_vf_pf_reset(): VF - send a close message to PF.
    935 *
    936 * @p_hwfn: HW device data.
    937 *
    938 * Return: enum _qed_status
    939 */
    940int qed_vf_pf_reset(struct qed_hwfn *p_hwfn);
    941
    942/**
    943 * qed_vf_pf_release(): VF - free vf`s memories.
    944 *
    945 * @p_hwfn: HW device data.
    946 *
    947 * Return: enum _qed_status
    948 */
    949int qed_vf_pf_release(struct qed_hwfn *p_hwfn);
    950
    951/**
    952 * qed_vf_get_igu_sb_id(): Get the IGU SB ID for a given
    953 *        sb_id. For VFs igu sbs don't have to be contiguous
    954 *
    955 * @p_hwfn: HW device data.
    956 * @sb_id: SB ID.
    957 *
    958 * Return: INLINE u16
    959 */
    960u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id);
    961
    962/**
    963 * qed_vf_set_sb_info(): Stores [or removes] a configured sb_info.
    964 *
    965 * @p_hwfn: HW device data.
    966 * @sb_id: zero-based SB index [for fastpath]
    967 * @p_sb:  may be NULL [during removal].
    968 *
    969 * Return: Void.
    970 */
    971void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn,
    972			u16 sb_id, struct qed_sb_info *p_sb);
    973
    974/**
    975 * qed_vf_pf_vport_start(): perform vport start for VF.
    976 *
    977 * @p_hwfn: HW device data.
    978 * @vport_id: Vport ID.
    979 * @mtu: MTU.
    980 * @inner_vlan_removal: Innter VLAN removal.
    981 * @tpa_mode: TPA mode
    982 * @max_buffers_per_cqe: Max buffer pre CQE.
    983 * @only_untagged: default behavior regarding vlan acceptance
    984 *
    985 * Return: enum _qed_status
    986 */
    987int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
    988			  u8 vport_id,
    989			  u16 mtu,
    990			  u8 inner_vlan_removal,
    991			  enum qed_tpa_mode tpa_mode,
    992			  u8 max_buffers_per_cqe, u8 only_untagged);
    993
    994/**
    995 * qed_vf_pf_vport_stop(): stop the VF's vport
    996 *
    997 * @p_hwfn: HW device data.
    998 *
    999 * Return: enum _qed_status
   1000 */
   1001int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn);
   1002
   1003int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
   1004			   struct qed_filter_ucast *p_param);
   1005
   1006void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
   1007			    struct qed_filter_mcast *p_filter_cmd);
   1008
   1009/**
   1010 * qed_vf_pf_int_cleanup(): clean the SB of the VF
   1011 *
   1012 * @p_hwfn: HW device data.
   1013 *
   1014 * Return: enum _qed_status
   1015 */
   1016int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn);
   1017
   1018/**
   1019 * __qed_vf_get_link_params(): return the link params in a given bulletin board
   1020 *
   1021 * @p_hwfn: HW device data.
   1022 * @p_params: pointer to a struct to fill with link params
   1023 * @p_bulletin: Bulletin.
   1024 *
   1025 * Return: Void.
   1026 */
   1027void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
   1028			      struct qed_mcp_link_params *p_params,
   1029			      struct qed_bulletin_content *p_bulletin);
   1030
   1031/**
   1032 * __qed_vf_get_link_state(): return the link state in a given bulletin board
   1033 *
   1034 * @p_hwfn: HW device data.
   1035 * @p_link: pointer to a struct to fill with link state
   1036 * @p_bulletin: Bulletin.
   1037 *
   1038 * Return: Void.
   1039 */
   1040void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
   1041			     struct qed_mcp_link_state *p_link,
   1042			     struct qed_bulletin_content *p_bulletin);
   1043
   1044/**
   1045 * __qed_vf_get_link_caps(): return the link capabilities in a given
   1046 *                           bulletin board
   1047 *
   1048 * @p_hwfn: HW device data.
   1049 * @p_link_caps: pointer to a struct to fill with link capabilities
   1050 * @p_bulletin: Bulletin.
   1051 *
   1052 * Return: Void.
   1053 */
   1054void __qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
   1055			    struct qed_mcp_link_capabilities *p_link_caps,
   1056			    struct qed_bulletin_content *p_bulletin);
   1057
   1058void qed_iov_vf_task(struct work_struct *work);
   1059void qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun);
   1060int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
   1061				  struct qed_tunnel_info *p_tunn);
   1062
   1063u32 qed_vf_hw_bar_size(struct qed_hwfn *p_hwfn, enum BAR_ID bar_id);
   1064/**
   1065 * qed_vf_pf_bulletin_update_mac(): Ask PF to update the MAC address in
   1066 *                                  it's bulletin board
   1067 *
   1068 * @p_hwfn: HW device data.
   1069 * @p_mac: mac address to be updated in bulletin board
   1070 *
   1071 * Return: Int.
   1072 */
   1073int qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn, const u8 *p_mac);
   1074
   1075#else
   1076static inline void qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
   1077					  struct qed_mcp_link_params *params)
   1078{
   1079}
   1080
   1081static inline void qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
   1082					 struct qed_mcp_link_state *link)
   1083{
   1084}
   1085
   1086static inline void
   1087qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
   1088		     struct qed_mcp_link_capabilities *p_link_caps)
   1089{
   1090}
   1091
   1092static inline void qed_vf_get_num_rxqs(struct qed_hwfn *p_hwfn, u8 *num_rxqs)
   1093{
   1094}
   1095
   1096static inline void qed_vf_get_num_txqs(struct qed_hwfn *p_hwfn, u8 *num_txqs)
   1097{
   1098}
   1099
   1100static inline void qed_vf_get_num_cids(struct qed_hwfn *p_hwfn, u8 *num_cids)
   1101{
   1102}
   1103
   1104static inline void qed_vf_get_port_mac(struct qed_hwfn *p_hwfn, u8 *port_mac)
   1105{
   1106}
   1107
   1108static inline void qed_vf_get_num_vlan_filters(struct qed_hwfn *p_hwfn,
   1109					       u8 *num_vlan_filters)
   1110{
   1111}
   1112
   1113static inline void qed_vf_get_num_mac_filters(struct qed_hwfn *p_hwfn,
   1114					      u8 *num_mac_filters)
   1115{
   1116}
   1117
   1118static inline bool qed_vf_check_mac(struct qed_hwfn *p_hwfn, u8 *mac)
   1119{
   1120	return false;
   1121}
   1122
   1123static inline void qed_vf_get_fw_version(struct qed_hwfn *p_hwfn,
   1124					 u16 *fw_major, u16 *fw_minor,
   1125					 u16 *fw_rev, u16 *fw_eng)
   1126{
   1127}
   1128
   1129static inline int qed_vf_hw_prepare(struct qed_hwfn *p_hwfn)
   1130{
   1131	return -EINVAL;
   1132}
   1133
   1134static inline int qed_vf_pf_rxq_start(struct qed_hwfn *p_hwfn,
   1135				      struct qed_queue_cid *p_cid,
   1136				      u16 bd_max_bytes,
   1137				      dma_addr_t bd_chain_phys_adr,
   1138				      dma_addr_t cqe_pbl_addr,
   1139				      u16 cqe_pbl_size, void __iomem **pp_prod)
   1140{
   1141	return -EINVAL;
   1142}
   1143
   1144static inline int qed_vf_pf_txq_start(struct qed_hwfn *p_hwfn,
   1145				      struct qed_queue_cid *p_cid,
   1146				      dma_addr_t pbl_addr,
   1147				      u16 pbl_size, void __iomem **pp_doorbell)
   1148{
   1149	return -EINVAL;
   1150}
   1151
   1152static inline int qed_vf_pf_rxq_stop(struct qed_hwfn *p_hwfn,
   1153				     struct qed_queue_cid *p_cid,
   1154				     bool cqe_completion)
   1155{
   1156	return -EINVAL;
   1157}
   1158
   1159static inline int qed_vf_pf_txq_stop(struct qed_hwfn *p_hwfn,
   1160				     struct qed_queue_cid *p_cid)
   1161{
   1162	return -EINVAL;
   1163}
   1164
   1165static inline int
   1166qed_vf_pf_vport_update(struct qed_hwfn *p_hwfn,
   1167		       struct qed_sp_vport_update_params *p_params)
   1168{
   1169	return -EINVAL;
   1170}
   1171
   1172static inline int qed_vf_pf_reset(struct qed_hwfn *p_hwfn)
   1173{
   1174	return -EINVAL;
   1175}
   1176
   1177static inline int qed_vf_pf_release(struct qed_hwfn *p_hwfn)
   1178{
   1179	return -EINVAL;
   1180}
   1181
   1182static inline u16 qed_vf_get_igu_sb_id(struct qed_hwfn *p_hwfn, u16 sb_id)
   1183{
   1184	return 0;
   1185}
   1186
   1187static inline void qed_vf_set_sb_info(struct qed_hwfn *p_hwfn, u16 sb_id,
   1188				      struct qed_sb_info *p_sb)
   1189{
   1190}
   1191
   1192static inline int qed_vf_pf_vport_start(struct qed_hwfn *p_hwfn,
   1193					u8 vport_id,
   1194					u16 mtu,
   1195					u8 inner_vlan_removal,
   1196					enum qed_tpa_mode tpa_mode,
   1197					u8 max_buffers_per_cqe,
   1198					u8 only_untagged)
   1199{
   1200	return -EINVAL;
   1201}
   1202
   1203static inline int qed_vf_pf_vport_stop(struct qed_hwfn *p_hwfn)
   1204{
   1205	return -EINVAL;
   1206}
   1207
   1208static inline int qed_vf_pf_filter_ucast(struct qed_hwfn *p_hwfn,
   1209					 struct qed_filter_ucast *p_param)
   1210{
   1211	return -EINVAL;
   1212}
   1213
   1214static inline void qed_vf_pf_filter_mcast(struct qed_hwfn *p_hwfn,
   1215					  struct qed_filter_mcast *p_filter_cmd)
   1216{
   1217}
   1218
   1219static inline int qed_vf_pf_int_cleanup(struct qed_hwfn *p_hwfn)
   1220{
   1221	return -EINVAL;
   1222}
   1223
   1224static inline void __qed_vf_get_link_params(struct qed_hwfn *p_hwfn,
   1225					    struct qed_mcp_link_params
   1226					    *p_params,
   1227					    struct qed_bulletin_content
   1228					    *p_bulletin)
   1229{
   1230}
   1231
   1232static inline void __qed_vf_get_link_state(struct qed_hwfn *p_hwfn,
   1233					   struct qed_mcp_link_state *p_link,
   1234					   struct qed_bulletin_content
   1235					   *p_bulletin)
   1236{
   1237}
   1238
   1239static inline void
   1240__qed_vf_get_link_caps(struct qed_hwfn *p_hwfn,
   1241		       struct qed_mcp_link_capabilities *p_link_caps,
   1242		       struct qed_bulletin_content *p_bulletin)
   1243{
   1244}
   1245
   1246static inline void qed_iov_vf_task(struct work_struct *work)
   1247{
   1248}
   1249
   1250static inline void
   1251qed_vf_set_vf_start_tunn_update_param(struct qed_tunnel_info *p_tun)
   1252{
   1253}
   1254
   1255static inline int qed_vf_pf_tunnel_param_update(struct qed_hwfn *p_hwfn,
   1256						struct qed_tunnel_info *p_tunn)
   1257{
   1258	return -EINVAL;
   1259}
   1260
   1261static inline int qed_vf_pf_bulletin_update_mac(struct qed_hwfn *p_hwfn,
   1262						const u8 *p_mac)
   1263{
   1264	return -EINVAL;
   1265}
   1266
   1267static inline u32
   1268qed_vf_hw_bar_size(struct qed_hwfn  *p_hwfn,
   1269		   enum BAR_ID bar_id)
   1270{
   1271	return 0;
   1272}
   1273#endif
   1274
   1275#endif