bnx2x_vfpf.h revision 4c133c39ae1bc541b3db5903a680da738a0c57e3
1/* bnx2x_vfpf.h: Broadcom Everest network driver. 2 * 3 * Copyright (c) 2011-2013 Broadcom Corporation 4 * 5 * Unless you and Broadcom execute a separate written software license 6 * agreement governing use of this software, this software is licensed to you 7 * under the terms of the GNU General Public License version 2, available 8 * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). 9 * 10 * Notwithstanding the above, under no circumstances may you combine this 11 * software in any way with any other Broadcom software provided under a 12 * license other than the GPL, without Broadcom's express prior written 13 * consent. 14 * 15 * Maintained by: Eilon Greenstein <eilong@broadcom.com> 16 * Written by: Ariel Elior <ariele@broadcom.com> 17 */ 18#ifndef VF_PF_IF_H 19#define VF_PF_IF_H 20 21#ifdef CONFIG_BNX2X_SRIOV 22 23/* Common definitions for all HVs */ 24struct vf_pf_resc_request { 25 u8 num_rxqs; 26 u8 num_txqs; 27 u8 num_sbs; 28 u8 num_mac_filters; 29 u8 num_vlan_filters; 30 u8 num_mc_filters; /* No limit so superfluous */ 31}; 32 33struct hw_sb_info { 34 u8 hw_sb_id; /* aka absolute igu id, used to ack the sb */ 35 u8 sb_qid; /* used to update DHC for sb */ 36}; 37 38/* HW VF-PF channel definitions 39 * A.K.A VF-PF mailbox 40 */ 41#define TLV_BUFFER_SIZE 1024 42#define PF_VF_BULLETIN_SIZE 512 43 44#define VFPF_QUEUE_FLG_TPA 0x0001 45#define VFPF_QUEUE_FLG_TPA_IPV6 0x0002 46#define VFPF_QUEUE_FLG_TPA_GRO 0x0004 47#define VFPF_QUEUE_FLG_CACHE_ALIGN 0x0008 48#define VFPF_QUEUE_FLG_STATS 0x0010 49#define VFPF_QUEUE_FLG_OV 0x0020 50#define VFPF_QUEUE_FLG_VLAN 0x0040 51#define VFPF_QUEUE_FLG_COS 0x0080 52#define VFPF_QUEUE_FLG_HC 0x0100 53#define VFPF_QUEUE_FLG_DHC 0x0200 54 55#define VFPF_QUEUE_DROP_IP_CS_ERR (1 << 0) 56#define VFPF_QUEUE_DROP_TCP_CS_ERR (1 << 1) 57#define VFPF_QUEUE_DROP_TTL0 (1 << 2) 58#define VFPF_QUEUE_DROP_UDP_CS_ERR (1 << 3) 59 60#define VFPF_RX_MASK_ACCEPT_NONE 0x00000000 61#define VFPF_RX_MASK_ACCEPT_MATCHED_UNICAST 0x00000001 62#define VFPF_RX_MASK_ACCEPT_MATCHED_MULTICAST 0x00000002 63#define VFPF_RX_MASK_ACCEPT_ALL_UNICAST 0x00000004 64#define VFPF_RX_MASK_ACCEPT_ALL_MULTICAST 0x00000008 65#define VFPF_RX_MASK_ACCEPT_BROADCAST 0x00000010 66#define BULLETIN_CONTENT_SIZE (sizeof(struct pf_vf_bulletin_content)) 67#define BULLETIN_ATTEMPTS 5 /* crc failures before throwing towel */ 68#define BULLETIN_CRC_SEED 0 69 70enum { 71 PFVF_STATUS_WAITING = 0, 72 PFVF_STATUS_SUCCESS, 73 PFVF_STATUS_FAILURE, 74 PFVF_STATUS_NOT_SUPPORTED, 75 PFVF_STATUS_NO_RESOURCE 76}; 77 78/* vf pf channel tlvs */ 79/* general tlv header (used for both vf->pf request and pf->vf response) */ 80struct channel_tlv { 81 u16 type; 82 u16 length; 83}; 84 85/* header of first vf->pf tlv carries the offset used to calculate response 86 * buffer address 87 */ 88struct vfpf_first_tlv { 89 struct channel_tlv tl; 90 u32 resp_msg_offset; 91}; 92 93/* header of pf->vf tlvs, carries the status of handling the request */ 94struct pfvf_tlv { 95 struct channel_tlv tl; 96 u8 status; 97 u8 padding[3]; 98}; 99 100/* response tlv used for most tlvs */ 101struct pfvf_general_resp_tlv { 102 struct pfvf_tlv hdr; 103}; 104 105/* used to terminate and pad a tlv list */ 106struct channel_list_end_tlv { 107 struct channel_tlv tl; 108 u8 padding[4]; 109}; 110 111/* Acquire */ 112struct vfpf_acquire_tlv { 113 struct vfpf_first_tlv first_tlv; 114 115 struct vf_pf_vfdev_info { 116 /* the following fields are for debug purposes */ 117 u8 vf_id; /* ME register value */ 118 u8 vf_os; /* e.g. Linux, W2K8 */ 119 u8 padding[2]; 120 } vfdev_info; 121 122 struct vf_pf_resc_request resc_request; 123 124 aligned_u64 bulletin_addr; 125}; 126 127/* simple operation request on queue */ 128struct vfpf_q_op_tlv { 129 struct vfpf_first_tlv first_tlv; 130 u8 vf_qid; 131 u8 padding[3]; 132}; 133 134/* acquire response tlv - carries the allocated resources */ 135struct pfvf_acquire_resp_tlv { 136 struct pfvf_tlv hdr; 137 struct pf_vf_pfdev_info { 138 u32 chip_num; 139 u32 pf_cap; 140#define PFVF_CAP_RSS 0x00000001 141#define PFVF_CAP_DHC 0x00000002 142#define PFVF_CAP_TPA 0x00000004 143 char fw_ver[32]; 144 u16 db_size; 145 u8 indices_per_sb; 146 u8 padding; 147 } pfdev_info; 148 struct pf_vf_resc { 149 /* in case of status NO_RESOURCE in message hdr, pf will fill 150 * this struct with suggested amount of resources for next 151 * acquire request 152 */ 153#define PFVF_MAX_QUEUES_PER_VF 16 154#define PFVF_MAX_SBS_PER_VF 16 155 struct hw_sb_info hw_sbs[PFVF_MAX_SBS_PER_VF]; 156 u8 hw_qid[PFVF_MAX_QUEUES_PER_VF]; 157 u8 num_rxqs; 158 u8 num_txqs; 159 u8 num_sbs; 160 u8 num_mac_filters; 161 u8 num_vlan_filters; 162 u8 num_mc_filters; 163 u8 permanent_mac_addr[ETH_ALEN]; 164 u8 current_mac_addr[ETH_ALEN]; 165 u8 padding[2]; 166 } resc; 167}; 168 169/* Init VF */ 170struct vfpf_init_tlv { 171 struct vfpf_first_tlv first_tlv; 172 aligned_u64 sb_addr[PFVF_MAX_SBS_PER_VF]; /* vf_sb based */ 173 aligned_u64 spq_addr; 174 aligned_u64 stats_addr; 175}; 176 177/* Setup Queue */ 178struct vfpf_setup_q_tlv { 179 struct vfpf_first_tlv first_tlv; 180 181 struct vf_pf_rxq_params { 182 /* physical addresses */ 183 aligned_u64 rcq_addr; 184 aligned_u64 rcq_np_addr; 185 aligned_u64 rxq_addr; 186 aligned_u64 sge_addr; 187 188 /* sb + hc info */ 189 u8 vf_sb; /* index in hw_sbs[] */ 190 u8 sb_index; /* Index in the SB */ 191 u16 hc_rate; /* desired interrupts per sec. */ 192 /* valid iff VFPF_QUEUE_FLG_HC */ 193 /* rx buffer info */ 194 u16 mtu; 195 u16 buf_sz; 196 u16 flags; /* VFPF_QUEUE_FLG_X flags */ 197 u16 stat_id; /* valid iff VFPF_QUEUE_FLG_STATS */ 198 199 /* valid iff VFPF_QUEUE_FLG_TPA */ 200 u16 sge_buf_sz; 201 u16 tpa_agg_sz; 202 u8 max_sge_pkt; 203 204 u8 drop_flags; /* VFPF_QUEUE_DROP_X, for Linux VMs 205 * all the flags are turned off 206 */ 207 208 u8 cache_line_log; /* VFPF_QUEUE_FLG_CACHE_ALIGN */ 209 u8 padding; 210 } rxq; 211 212 struct vf_pf_txq_params { 213 /* physical addresses */ 214 aligned_u64 txq_addr; 215 216 /* sb + hc info */ 217 u8 vf_sb; /* index in hw_sbs[] */ 218 u8 sb_index; /* Index in the SB */ 219 u16 hc_rate; /* desired interrupts per sec. */ 220 /* valid iff VFPF_QUEUE_FLG_HC */ 221 u32 flags; /* VFPF_QUEUE_FLG_X flags */ 222 u16 stat_id; /* valid iff VFPF_QUEUE_FLG_STATS */ 223 u8 traffic_type; /* see in setup_context() */ 224 u8 padding; 225 } txq; 226 227 u8 vf_qid; /* index in hw_qid[] */ 228 u8 param_valid; 229#define VFPF_RXQ_VALID 0x01 230#define VFPF_TXQ_VALID 0x02 231 u8 padding[2]; 232}; 233 234/* Set Queue Filters */ 235struct vfpf_q_mac_vlan_filter { 236 u32 flags; 237#define VFPF_Q_FILTER_DEST_MAC_VALID 0x01 238#define VFPF_Q_FILTER_VLAN_TAG_VALID 0x02 239#define VFPF_Q_FILTER_SET_MAC 0x100 /* set/clear */ 240 u8 mac[ETH_ALEN]; 241 u16 vlan_tag; 242}; 243 244/* configure queue filters */ 245struct vfpf_set_q_filters_tlv { 246 struct vfpf_first_tlv first_tlv; 247 248 u32 flags; 249#define VFPF_SET_Q_FILTERS_MAC_VLAN_CHANGED 0x01 250#define VFPF_SET_Q_FILTERS_MULTICAST_CHANGED 0x02 251#define VFPF_SET_Q_FILTERS_RX_MASK_CHANGED 0x04 252 253 u8 vf_qid; /* index in hw_qid[] */ 254 u8 n_mac_vlan_filters; 255 u8 n_multicast; 256 u8 padding; 257 258#define PFVF_MAX_MAC_FILTERS 16 259#define PFVF_MAX_VLAN_FILTERS 16 260#define PFVF_MAX_FILTERS (PFVF_MAX_MAC_FILTERS +\ 261 PFVF_MAX_VLAN_FILTERS) 262 struct vfpf_q_mac_vlan_filter filters[PFVF_MAX_FILTERS]; 263 264#define PFVF_MAX_MULTICAST_PER_VF 32 265 u8 multicast[PFVF_MAX_MULTICAST_PER_VF][ETH_ALEN]; 266 267 u32 rx_mask; /* see mask constants at the top of the file */ 268}; 269 270/* close VF (disable VF) */ 271struct vfpf_close_tlv { 272 struct vfpf_first_tlv first_tlv; 273 u16 vf_id; /* for debug */ 274 u8 padding[2]; 275}; 276 277/* release the VF's acquired resources */ 278struct vfpf_release_tlv { 279 struct vfpf_first_tlv first_tlv; 280 u16 vf_id; 281 u8 padding[2]; 282}; 283 284struct tlv_buffer_size { 285 u8 tlv_buffer[TLV_BUFFER_SIZE]; 286}; 287 288union vfpf_tlvs { 289 struct vfpf_first_tlv first_tlv; 290 struct vfpf_acquire_tlv acquire; 291 struct vfpf_init_tlv init; 292 struct vfpf_close_tlv close; 293 struct vfpf_q_op_tlv q_op; 294 struct vfpf_setup_q_tlv setup_q; 295 struct vfpf_set_q_filters_tlv set_q_filters; 296 struct vfpf_release_tlv release; 297 struct channel_list_end_tlv list_end; 298 struct tlv_buffer_size tlv_buf_size; 299}; 300 301union pfvf_tlvs { 302 struct pfvf_general_resp_tlv general_resp; 303 struct pfvf_acquire_resp_tlv acquire_resp; 304 struct channel_list_end_tlv list_end; 305 struct tlv_buffer_size tlv_buf_size; 306}; 307 308/* This is a structure which is allocated in the VF, which the PF may update 309 * when it deems it necessary to do so. The bulletin board is sampled 310 * periodically by the VF. A copy per VF is maintained in the PF (to prevent 311 * loss of data upon multiple updates (or the need for read modify write)). 312 */ 313struct pf_vf_bulletin_size { 314 u8 size[PF_VF_BULLETIN_SIZE]; 315}; 316 317struct pf_vf_bulletin_content { 318 u32 crc; /* crc of structure to ensure is not in 319 * mid-update 320 */ 321 u16 version; 322 u16 length; 323 324 aligned_u64 valid_bitmap; /* bitmap indicating which fields 325 * hold valid values 326 */ 327 328#define MAC_ADDR_VALID 0 /* alert the vf that a new mac address 329 * is available for it 330 */ 331 332 u8 mac[ETH_ALEN]; 333 u8 padding[2]; 334}; 335 336union pf_vf_bulletin { 337 struct pf_vf_bulletin_content content; 338 struct pf_vf_bulletin_size size; 339}; 340 341#define MAX_TLVS_IN_LIST 50 342 343enum channel_tlvs { 344 CHANNEL_TLV_NONE, 345 CHANNEL_TLV_ACQUIRE, 346 CHANNEL_TLV_INIT, 347 CHANNEL_TLV_SETUP_Q, 348 CHANNEL_TLV_SET_Q_FILTERS, 349 CHANNEL_TLV_TEARDOWN_Q, 350 CHANNEL_TLV_CLOSE, 351 CHANNEL_TLV_RELEASE, 352 CHANNEL_TLV_PF_RELEASE_VF, 353 CHANNEL_TLV_LIST_END, 354 CHANNEL_TLV_FLR, 355 CHANNEL_TLV_PF_SET_MAC, 356 CHANNEL_TLV_MAX 357}; 358 359#endif /* CONFIG_BNX2X_SRIOV */ 360#endif /* VF_PF_IF_H */ 361