Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 1 | /* bnx2x_sriov.c: Broadcom Everest network driver. |
| 2 | * |
Yuval Mintz | 247fa82 | 2013-01-14 05:11:50 +0000 | [diff] [blame] | 3 | * Copyright 2009-2013 Broadcom Corporation |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 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: Shmulik Ravid <shmulikr@broadcom.com> |
| 17 | * Ariel Elior <ariele@broadcom.com> |
| 18 | * |
| 19 | */ |
| 20 | #include "bnx2x.h" |
| 21 | #include "bnx2x_init.h" |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 22 | #include "bnx2x_cmn.h" |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 23 | #include "bnx2x_sp.h" |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 24 | #include <linux/crc32.h> |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 25 | #include <linux/if_vlan.h> |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 26 | |
| 27 | /* General service functions */ |
| 28 | static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid, |
| 29 | u16 pf_id) |
| 30 | { |
| 31 | REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid), |
| 32 | pf_id); |
| 33 | REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid), |
| 34 | pf_id); |
| 35 | REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid), |
| 36 | pf_id); |
| 37 | REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid), |
| 38 | pf_id); |
| 39 | } |
| 40 | |
| 41 | static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid, |
| 42 | u8 enable) |
| 43 | { |
| 44 | REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid), |
| 45 | enable); |
| 46 | REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid), |
| 47 | enable); |
| 48 | REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid), |
| 49 | enable); |
| 50 | REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid), |
| 51 | enable); |
| 52 | } |
| 53 | |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 54 | int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid) |
| 55 | { |
| 56 | int idx; |
| 57 | |
| 58 | for_each_vf(bp, idx) |
| 59 | if (bnx2x_vf(bp, idx, abs_vfid) == abs_vfid) |
| 60 | break; |
| 61 | return idx; |
| 62 | } |
| 63 | |
| 64 | static |
| 65 | struct bnx2x_virtf *bnx2x_vf_by_abs_fid(struct bnx2x *bp, u16 abs_vfid) |
| 66 | { |
| 67 | u16 idx = (u16)bnx2x_vf_idx_by_abs_fid(bp, abs_vfid); |
| 68 | return (idx < BNX2X_NR_VIRTFN(bp)) ? BP_VF(bp, idx) : NULL; |
| 69 | } |
| 70 | |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 71 | static void bnx2x_vf_igu_ack_sb(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 72 | u8 igu_sb_id, u8 segment, u16 index, u8 op, |
| 73 | u8 update) |
| 74 | { |
| 75 | /* acking a VF sb through the PF - use the GRC */ |
| 76 | u32 ctl; |
| 77 | u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA; |
| 78 | u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL; |
| 79 | u32 func_encode = vf->abs_vfid; |
| 80 | u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + igu_sb_id; |
| 81 | struct igu_regular cmd_data = {0}; |
| 82 | |
| 83 | cmd_data.sb_id_and_flags = |
| 84 | ((index << IGU_REGULAR_SB_INDEX_SHIFT) | |
| 85 | (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) | |
| 86 | (update << IGU_REGULAR_BUPDATE_SHIFT) | |
| 87 | (op << IGU_REGULAR_ENABLE_INT_SHIFT)); |
| 88 | |
| 89 | ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT | |
| 90 | func_encode << IGU_CTRL_REG_FID_SHIFT | |
| 91 | IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT; |
| 92 | |
| 93 | DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", |
| 94 | cmd_data.sb_id_and_flags, igu_addr_data); |
| 95 | REG_WR(bp, igu_addr_data, cmd_data.sb_id_and_flags); |
| 96 | mmiowb(); |
| 97 | barrier(); |
| 98 | |
| 99 | DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", |
| 100 | ctl, igu_addr_ctl); |
| 101 | REG_WR(bp, igu_addr_ctl, ctl); |
| 102 | mmiowb(); |
| 103 | barrier(); |
| 104 | } |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 105 | /* VFOP - VF slow-path operation support */ |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 106 | |
Ariel Elior | 954ea74 | 2013-01-01 05:22:38 +0000 | [diff] [blame] | 107 | #define BNX2X_VFOP_FILTER_ADD_CNT_MAX 0x10000 |
| 108 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 109 | /* VFOP operations states */ |
| 110 | enum bnx2x_vfop_qctor_state { |
| 111 | BNX2X_VFOP_QCTOR_INIT, |
| 112 | BNX2X_VFOP_QCTOR_SETUP, |
| 113 | BNX2X_VFOP_QCTOR_INT_EN |
| 114 | }; |
| 115 | |
Ariel Elior | 463a68a | 2013-01-01 05:22:39 +0000 | [diff] [blame] | 116 | enum bnx2x_vfop_qdtor_state { |
| 117 | BNX2X_VFOP_QDTOR_HALT, |
| 118 | BNX2X_VFOP_QDTOR_TERMINATE, |
| 119 | BNX2X_VFOP_QDTOR_CFCDEL, |
| 120 | BNX2X_VFOP_QDTOR_DONE |
| 121 | }; |
| 122 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 123 | enum bnx2x_vfop_vlan_mac_state { |
| 124 | BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE, |
| 125 | BNX2X_VFOP_VLAN_MAC_CLEAR, |
| 126 | BNX2X_VFOP_VLAN_MAC_CHK_DONE, |
| 127 | BNX2X_VFOP_MAC_CONFIG_LIST, |
| 128 | BNX2X_VFOP_VLAN_CONFIG_LIST, |
| 129 | BNX2X_VFOP_VLAN_CONFIG_LIST_0 |
| 130 | }; |
| 131 | |
| 132 | enum bnx2x_vfop_qsetup_state { |
| 133 | BNX2X_VFOP_QSETUP_CTOR, |
| 134 | BNX2X_VFOP_QSETUP_VLAN0, |
| 135 | BNX2X_VFOP_QSETUP_DONE |
| 136 | }; |
| 137 | |
Ariel Elior | 954ea74 | 2013-01-01 05:22:38 +0000 | [diff] [blame] | 138 | enum bnx2x_vfop_mcast_state { |
| 139 | BNX2X_VFOP_MCAST_DEL, |
| 140 | BNX2X_VFOP_MCAST_ADD, |
| 141 | BNX2X_VFOP_MCAST_CHK_DONE |
| 142 | }; |
Ariel Elior | d16132c | 2013-01-01 05:22:42 +0000 | [diff] [blame] | 143 | enum bnx2x_vfop_qflr_state { |
| 144 | BNX2X_VFOP_QFLR_CLR_VLAN, |
| 145 | BNX2X_VFOP_QFLR_CLR_MAC, |
| 146 | BNX2X_VFOP_QFLR_TERMINATE, |
| 147 | BNX2X_VFOP_QFLR_DONE |
| 148 | }; |
| 149 | |
| 150 | enum bnx2x_vfop_flr_state { |
| 151 | BNX2X_VFOP_FLR_QUEUES, |
| 152 | BNX2X_VFOP_FLR_HW |
| 153 | }; |
Ariel Elior | 954ea74 | 2013-01-01 05:22:38 +0000 | [diff] [blame] | 154 | |
Ariel Elior | 99e9d21 | 2013-01-01 05:22:40 +0000 | [diff] [blame] | 155 | enum bnx2x_vfop_close_state { |
| 156 | BNX2X_VFOP_CLOSE_QUEUES, |
| 157 | BNX2X_VFOP_CLOSE_HW |
| 158 | }; |
| 159 | |
Ariel Elior | 954ea74 | 2013-01-01 05:22:38 +0000 | [diff] [blame] | 160 | enum bnx2x_vfop_rxmode_state { |
| 161 | BNX2X_VFOP_RXMODE_CONFIG, |
| 162 | BNX2X_VFOP_RXMODE_DONE |
| 163 | }; |
| 164 | |
Ariel Elior | 463a68a | 2013-01-01 05:22:39 +0000 | [diff] [blame] | 165 | enum bnx2x_vfop_qteardown_state { |
| 166 | BNX2X_VFOP_QTEARDOWN_RXMODE, |
| 167 | BNX2X_VFOP_QTEARDOWN_CLR_VLAN, |
| 168 | BNX2X_VFOP_QTEARDOWN_CLR_MAC, |
| 169 | BNX2X_VFOP_QTEARDOWN_QDTOR, |
| 170 | BNX2X_VFOP_QTEARDOWN_DONE |
| 171 | }; |
| 172 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 173 | #define bnx2x_vfop_reset_wq(vf) atomic_set(&vf->op_in_progress, 0) |
| 174 | |
| 175 | void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 176 | struct bnx2x_queue_init_params *init_params, |
| 177 | struct bnx2x_queue_setup_params *setup_params, |
| 178 | u16 q_idx, u16 sb_idx) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 179 | { |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 180 | DP(BNX2X_MSG_IOV, |
| 181 | "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d", |
| 182 | vf->abs_vfid, |
| 183 | q_idx, |
| 184 | sb_idx, |
| 185 | init_params->tx.sb_cq_index, |
| 186 | init_params->tx.hc_rate, |
| 187 | setup_params->flags, |
| 188 | setup_params->txq_params.traffic_type); |
| 189 | } |
| 190 | |
| 191 | void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 192 | struct bnx2x_queue_init_params *init_params, |
| 193 | struct bnx2x_queue_setup_params *setup_params, |
| 194 | u16 q_idx, u16 sb_idx) |
| 195 | { |
| 196 | struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params; |
| 197 | |
| 198 | DP(BNX2X_MSG_IOV, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n" |
| 199 | "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n", |
| 200 | vf->abs_vfid, |
| 201 | q_idx, |
| 202 | sb_idx, |
| 203 | init_params->rx.sb_cq_index, |
| 204 | init_params->rx.hc_rate, |
| 205 | setup_params->gen_params.mtu, |
| 206 | rxq_params->buf_sz, |
| 207 | rxq_params->sge_buf_sz, |
| 208 | rxq_params->max_sges_pkt, |
| 209 | rxq_params->tpa_agg_sz, |
| 210 | setup_params->flags, |
| 211 | rxq_params->drop_flags, |
| 212 | rxq_params->cache_line_log); |
| 213 | } |
| 214 | |
| 215 | void bnx2x_vfop_qctor_prep(struct bnx2x *bp, |
| 216 | struct bnx2x_virtf *vf, |
| 217 | struct bnx2x_vf_queue *q, |
| 218 | struct bnx2x_vfop_qctor_params *p, |
| 219 | unsigned long q_type) |
| 220 | { |
| 221 | struct bnx2x_queue_init_params *init_p = &p->qstate.params.init; |
| 222 | struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup; |
| 223 | |
| 224 | /* INIT */ |
| 225 | |
| 226 | /* Enable host coalescing in the transition to INIT state */ |
| 227 | if (test_bit(BNX2X_Q_FLG_HC, &init_p->rx.flags)) |
| 228 | __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->rx.flags); |
| 229 | |
| 230 | if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags)) |
| 231 | __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags); |
| 232 | |
| 233 | /* FW SB ID */ |
| 234 | init_p->rx.fw_sb_id = vf_igu_sb(vf, q->sb_idx); |
| 235 | init_p->tx.fw_sb_id = vf_igu_sb(vf, q->sb_idx); |
| 236 | |
| 237 | /* context */ |
| 238 | init_p->cxts[0] = q->cxt; |
| 239 | |
| 240 | /* SETUP */ |
| 241 | |
| 242 | /* Setup-op general parameters */ |
| 243 | setup_p->gen_params.spcl_id = vf->sp_cl_id; |
| 244 | setup_p->gen_params.stat_id = vfq_stat_id(vf, q); |
| 245 | |
| 246 | /* Setup-op pause params: |
| 247 | * Nothing to do, the pause thresholds are set by default to 0 which |
| 248 | * effectively turns off the feature for this queue. We don't want |
| 249 | * one queue (VF) to interfering with another queue (another VF) |
| 250 | */ |
| 251 | if (vf->cfg_flags & VF_CFG_FW_FC) |
| 252 | BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n", |
| 253 | vf->abs_vfid); |
| 254 | /* Setup-op flags: |
| 255 | * collect statistics, zero statistics, local-switching, security, |
| 256 | * OV for Flex10, RSS and MCAST for leading |
| 257 | */ |
| 258 | if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags)) |
| 259 | __set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags); |
| 260 | |
| 261 | /* for VFs, enable tx switching, bd coherency, and mac address |
| 262 | * anti-spoofing |
| 263 | */ |
| 264 | __set_bit(BNX2X_Q_FLG_TX_SWITCH, &setup_p->flags); |
| 265 | __set_bit(BNX2X_Q_FLG_TX_SEC, &setup_p->flags); |
| 266 | __set_bit(BNX2X_Q_FLG_ANTI_SPOOF, &setup_p->flags); |
| 267 | |
| 268 | if (vfq_is_leading(q)) { |
| 269 | __set_bit(BNX2X_Q_FLG_LEADING_RSS, &setup_p->flags); |
| 270 | __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags); |
| 271 | } |
| 272 | |
| 273 | /* Setup-op rx parameters */ |
| 274 | if (test_bit(BNX2X_Q_TYPE_HAS_RX, &q_type)) { |
| 275 | struct bnx2x_rxq_setup_params *rxq_p = &setup_p->rxq_params; |
| 276 | |
| 277 | rxq_p->cl_qzone_id = vfq_qzone_id(vf, q); |
| 278 | rxq_p->fw_sb_id = vf_igu_sb(vf, q->sb_idx); |
| 279 | rxq_p->rss_engine_id = FW_VF_HANDLE(vf->abs_vfid); |
| 280 | |
| 281 | if (test_bit(BNX2X_Q_FLG_TPA, &setup_p->flags)) |
| 282 | rxq_p->max_tpa_queues = BNX2X_VF_MAX_TPA_AGG_QUEUES; |
| 283 | } |
| 284 | |
| 285 | /* Setup-op tx parameters */ |
| 286 | if (test_bit(BNX2X_Q_TYPE_HAS_TX, &q_type)) { |
| 287 | setup_p->txq_params.tss_leading_cl_id = vf->leading_rss; |
| 288 | setup_p->txq_params.fw_sb_id = vf_igu_sb(vf, q->sb_idx); |
| 289 | } |
| 290 | } |
| 291 | |
| 292 | /* VFOP queue construction */ |
| 293 | static void bnx2x_vfop_qctor(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 294 | { |
| 295 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 296 | struct bnx2x_vfop_args_qctor *args = &vfop->args.qctor; |
| 297 | struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate; |
| 298 | enum bnx2x_vfop_qctor_state state = vfop->state; |
| 299 | |
| 300 | bnx2x_vfop_reset_wq(vf); |
| 301 | |
| 302 | if (vfop->rc < 0) |
| 303 | goto op_err; |
| 304 | |
| 305 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 306 | |
| 307 | switch (state) { |
| 308 | case BNX2X_VFOP_QCTOR_INIT: |
| 309 | |
| 310 | /* has this queue already been opened? */ |
| 311 | if (bnx2x_get_q_logical_state(bp, q_params->q_obj) == |
| 312 | BNX2X_Q_LOGICAL_STATE_ACTIVE) { |
| 313 | DP(BNX2X_MSG_IOV, |
| 314 | "Entered qctor but queue was already up. Aborting gracefully\n"); |
| 315 | goto op_done; |
| 316 | } |
| 317 | |
| 318 | /* next state */ |
| 319 | vfop->state = BNX2X_VFOP_QCTOR_SETUP; |
| 320 | |
| 321 | q_params->cmd = BNX2X_Q_CMD_INIT; |
| 322 | vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| 323 | |
| 324 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| 325 | |
| 326 | case BNX2X_VFOP_QCTOR_SETUP: |
| 327 | /* next state */ |
| 328 | vfop->state = BNX2X_VFOP_QCTOR_INT_EN; |
| 329 | |
| 330 | /* copy pre-prepared setup params to the queue-state params */ |
| 331 | vfop->op_p->qctor.qstate.params.setup = |
| 332 | vfop->op_p->qctor.prep_qsetup; |
| 333 | |
| 334 | q_params->cmd = BNX2X_Q_CMD_SETUP; |
| 335 | vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| 336 | |
| 337 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| 338 | |
| 339 | case BNX2X_VFOP_QCTOR_INT_EN: |
| 340 | |
| 341 | /* enable interrupts */ |
| 342 | bnx2x_vf_igu_ack_sb(bp, vf, vf_igu_sb(vf, args->sb_idx), |
| 343 | USTORM_ID, 0, IGU_INT_ENABLE, 0); |
| 344 | goto op_done; |
| 345 | default: |
| 346 | bnx2x_vfop_default(state); |
| 347 | } |
| 348 | op_err: |
| 349 | BNX2X_ERR("QCTOR[%d:%d] error: cmd %d, rc %d\n", |
| 350 | vf->abs_vfid, args->qid, q_params->cmd, vfop->rc); |
| 351 | op_done: |
| 352 | bnx2x_vfop_end(bp, vf, vfop); |
| 353 | op_pending: |
| 354 | return; |
| 355 | } |
| 356 | |
| 357 | static int bnx2x_vfop_qctor_cmd(struct bnx2x *bp, |
| 358 | struct bnx2x_virtf *vf, |
| 359 | struct bnx2x_vfop_cmd *cmd, |
| 360 | int qid) |
| 361 | { |
| 362 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 363 | |
| 364 | if (vfop) { |
| 365 | vf->op_params.qctor.qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj); |
| 366 | |
| 367 | vfop->args.qctor.qid = qid; |
| 368 | vfop->args.qctor.sb_idx = bnx2x_vfq(vf, qid, sb_idx); |
| 369 | |
| 370 | bnx2x_vfop_opset(BNX2X_VFOP_QCTOR_INIT, |
| 371 | bnx2x_vfop_qctor, cmd->done); |
| 372 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qctor, |
| 373 | cmd->block); |
| 374 | } |
| 375 | return -ENOMEM; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 376 | } |
| 377 | |
Ariel Elior | 463a68a | 2013-01-01 05:22:39 +0000 | [diff] [blame] | 378 | /* VFOP queue destruction */ |
| 379 | static void bnx2x_vfop_qdtor(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 380 | { |
| 381 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 382 | struct bnx2x_vfop_args_qdtor *qdtor = &vfop->args.qdtor; |
| 383 | struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate; |
| 384 | enum bnx2x_vfop_qdtor_state state = vfop->state; |
| 385 | |
| 386 | bnx2x_vfop_reset_wq(vf); |
| 387 | |
| 388 | if (vfop->rc < 0) |
| 389 | goto op_err; |
| 390 | |
| 391 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 392 | |
| 393 | switch (state) { |
| 394 | case BNX2X_VFOP_QDTOR_HALT: |
| 395 | |
| 396 | /* has this queue already been stopped? */ |
| 397 | if (bnx2x_get_q_logical_state(bp, q_params->q_obj) == |
| 398 | BNX2X_Q_LOGICAL_STATE_STOPPED) { |
| 399 | DP(BNX2X_MSG_IOV, |
| 400 | "Entered qdtor but queue was already stopped. Aborting gracefully\n"); |
| 401 | goto op_done; |
| 402 | } |
| 403 | |
| 404 | /* next state */ |
| 405 | vfop->state = BNX2X_VFOP_QDTOR_TERMINATE; |
| 406 | |
| 407 | q_params->cmd = BNX2X_Q_CMD_HALT; |
| 408 | vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| 409 | |
| 410 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| 411 | |
| 412 | case BNX2X_VFOP_QDTOR_TERMINATE: |
| 413 | /* next state */ |
| 414 | vfop->state = BNX2X_VFOP_QDTOR_CFCDEL; |
| 415 | |
| 416 | q_params->cmd = BNX2X_Q_CMD_TERMINATE; |
| 417 | vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| 418 | |
| 419 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| 420 | |
| 421 | case BNX2X_VFOP_QDTOR_CFCDEL: |
| 422 | /* next state */ |
| 423 | vfop->state = BNX2X_VFOP_QDTOR_DONE; |
| 424 | |
| 425 | q_params->cmd = BNX2X_Q_CMD_CFC_DEL; |
| 426 | vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| 427 | |
| 428 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| 429 | op_err: |
| 430 | BNX2X_ERR("QDTOR[%d:%d] error: cmd %d, rc %d\n", |
| 431 | vf->abs_vfid, qdtor->qid, q_params->cmd, vfop->rc); |
| 432 | op_done: |
| 433 | case BNX2X_VFOP_QDTOR_DONE: |
| 434 | /* invalidate the context */ |
| 435 | qdtor->cxt->ustorm_ag_context.cdu_usage = 0; |
| 436 | qdtor->cxt->xstorm_ag_context.cdu_reserved = 0; |
| 437 | bnx2x_vfop_end(bp, vf, vfop); |
| 438 | return; |
| 439 | default: |
| 440 | bnx2x_vfop_default(state); |
| 441 | } |
| 442 | op_pending: |
| 443 | return; |
| 444 | } |
| 445 | |
| 446 | static int bnx2x_vfop_qdtor_cmd(struct bnx2x *bp, |
| 447 | struct bnx2x_virtf *vf, |
| 448 | struct bnx2x_vfop_cmd *cmd, |
| 449 | int qid) |
| 450 | { |
| 451 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 452 | |
| 453 | if (vfop) { |
| 454 | struct bnx2x_queue_state_params *qstate = |
| 455 | &vf->op_params.qctor.qstate; |
| 456 | |
| 457 | memset(qstate, 0, sizeof(*qstate)); |
| 458 | qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj); |
| 459 | |
| 460 | vfop->args.qdtor.qid = qid; |
| 461 | vfop->args.qdtor.cxt = bnx2x_vfq(vf, qid, cxt); |
| 462 | |
| 463 | bnx2x_vfop_opset(BNX2X_VFOP_QDTOR_HALT, |
| 464 | bnx2x_vfop_qdtor, cmd->done); |
| 465 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdtor, |
| 466 | cmd->block); |
| 467 | } |
Dan Carpenter | 2916610 | 2013-01-08 03:42:14 +0000 | [diff] [blame] | 468 | DP(BNX2X_MSG_IOV, "VF[%d] failed to add a vfop.\n", vf->abs_vfid); |
Ariel Elior | 463a68a | 2013-01-01 05:22:39 +0000 | [diff] [blame] | 469 | return -ENOMEM; |
| 470 | } |
| 471 | |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 472 | static void |
| 473 | bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid) |
| 474 | { |
| 475 | struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); |
| 476 | if (vf) { |
| 477 | if (!vf_sb_count(vf)) |
| 478 | vf->igu_base_id = igu_sb_id; |
| 479 | ++vf_sb_count(vf); |
| 480 | } |
| 481 | } |
| 482 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 483 | /* VFOP MAC/VLAN helpers */ |
| 484 | static inline void bnx2x_vfop_credit(struct bnx2x *bp, |
| 485 | struct bnx2x_vfop *vfop, |
| 486 | struct bnx2x_vlan_mac_obj *obj) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 487 | { |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 488 | struct bnx2x_vfop_args_filters *args = &vfop->args.filters; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 489 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 490 | /* update credit only if there is no error |
| 491 | * and a valid credit counter |
| 492 | */ |
| 493 | if (!vfop->rc && args->credit) { |
| 494 | int cnt = 0; |
| 495 | struct list_head *pos; |
| 496 | |
| 497 | list_for_each(pos, &obj->head) |
| 498 | cnt++; |
| 499 | |
| 500 | atomic_set(args->credit, cnt); |
| 501 | } |
| 502 | } |
| 503 | |
| 504 | static int bnx2x_vfop_set_user_req(struct bnx2x *bp, |
| 505 | struct bnx2x_vfop_filter *pos, |
| 506 | struct bnx2x_vlan_mac_data *user_req) |
| 507 | { |
| 508 | user_req->cmd = pos->add ? BNX2X_VLAN_MAC_ADD : |
| 509 | BNX2X_VLAN_MAC_DEL; |
| 510 | |
| 511 | switch (pos->type) { |
| 512 | case BNX2X_VFOP_FILTER_MAC: |
| 513 | memcpy(user_req->u.mac.mac, pos->mac, ETH_ALEN); |
| 514 | break; |
| 515 | case BNX2X_VFOP_FILTER_VLAN: |
| 516 | user_req->u.vlan.vlan = pos->vid; |
| 517 | break; |
| 518 | default: |
| 519 | BNX2X_ERR("Invalid filter type, skipping\n"); |
| 520 | return 1; |
| 521 | } |
| 522 | return 0; |
| 523 | } |
| 524 | |
| 525 | static int |
| 526 | bnx2x_vfop_config_vlan0(struct bnx2x *bp, |
| 527 | struct bnx2x_vlan_mac_ramrod_params *vlan_mac, |
| 528 | bool add) |
| 529 | { |
| 530 | int rc; |
| 531 | |
| 532 | vlan_mac->user_req.cmd = add ? BNX2X_VLAN_MAC_ADD : |
| 533 | BNX2X_VLAN_MAC_DEL; |
| 534 | vlan_mac->user_req.u.vlan.vlan = 0; |
| 535 | |
| 536 | rc = bnx2x_config_vlan_mac(bp, vlan_mac); |
| 537 | if (rc == -EEXIST) |
| 538 | rc = 0; |
| 539 | return rc; |
| 540 | } |
| 541 | |
| 542 | static int bnx2x_vfop_config_list(struct bnx2x *bp, |
| 543 | struct bnx2x_vfop_filters *filters, |
| 544 | struct bnx2x_vlan_mac_ramrod_params *vlan_mac) |
| 545 | { |
| 546 | struct bnx2x_vfop_filter *pos, *tmp; |
| 547 | struct list_head rollback_list, *filters_list = &filters->head; |
| 548 | struct bnx2x_vlan_mac_data *user_req = &vlan_mac->user_req; |
| 549 | int rc = 0, cnt = 0; |
| 550 | |
| 551 | INIT_LIST_HEAD(&rollback_list); |
| 552 | |
| 553 | list_for_each_entry_safe(pos, tmp, filters_list, link) { |
| 554 | if (bnx2x_vfop_set_user_req(bp, pos, user_req)) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 555 | continue; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 556 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 557 | rc = bnx2x_config_vlan_mac(bp, vlan_mac); |
| 558 | if (rc >= 0) { |
| 559 | cnt += pos->add ? 1 : -1; |
Wei Yongjun | 3a918f4 | 2013-03-11 04:40:14 +0000 | [diff] [blame] | 560 | list_move(&pos->link, &rollback_list); |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 561 | rc = 0; |
| 562 | } else if (rc == -EEXIST) { |
| 563 | rc = 0; |
| 564 | } else { |
| 565 | BNX2X_ERR("Failed to add a new vlan_mac command\n"); |
| 566 | break; |
| 567 | } |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 568 | } |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 569 | |
| 570 | /* rollback if error or too many rules added */ |
| 571 | if (rc || cnt > filters->add_cnt) { |
| 572 | BNX2X_ERR("error or too many rules added. Performing rollback\n"); |
| 573 | list_for_each_entry_safe(pos, tmp, &rollback_list, link) { |
| 574 | pos->add = !pos->add; /* reverse op */ |
| 575 | bnx2x_vfop_set_user_req(bp, pos, user_req); |
| 576 | bnx2x_config_vlan_mac(bp, vlan_mac); |
| 577 | list_del(&pos->link); |
| 578 | } |
| 579 | cnt = 0; |
| 580 | if (!rc) |
| 581 | rc = -EINVAL; |
| 582 | } |
| 583 | filters->add_cnt = cnt; |
| 584 | return rc; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 585 | } |
| 586 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 587 | /* VFOP set VLAN/MAC */ |
| 588 | static void bnx2x_vfop_vlan_mac(struct bnx2x *bp, struct bnx2x_virtf *vf) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 589 | { |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 590 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 591 | struct bnx2x_vlan_mac_ramrod_params *vlan_mac = &vfop->op_p->vlan_mac; |
| 592 | struct bnx2x_vlan_mac_obj *obj = vlan_mac->vlan_mac_obj; |
| 593 | struct bnx2x_vfop_filters *filters = vfop->args.filters.multi_filter; |
| 594 | |
| 595 | enum bnx2x_vfop_vlan_mac_state state = vfop->state; |
| 596 | |
| 597 | if (vfop->rc < 0) |
| 598 | goto op_err; |
| 599 | |
| 600 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 601 | |
| 602 | bnx2x_vfop_reset_wq(vf); |
| 603 | |
| 604 | switch (state) { |
| 605 | case BNX2X_VFOP_VLAN_MAC_CLEAR: |
| 606 | /* next state */ |
| 607 | vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE; |
| 608 | |
| 609 | /* do delete */ |
| 610 | vfop->rc = obj->delete_all(bp, obj, |
| 611 | &vlan_mac->user_req.vlan_mac_flags, |
| 612 | &vlan_mac->ramrod_flags); |
| 613 | |
| 614 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| 615 | |
| 616 | case BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE: |
| 617 | /* next state */ |
| 618 | vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE; |
| 619 | |
| 620 | /* do config */ |
| 621 | vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac); |
| 622 | if (vfop->rc == -EEXIST) |
| 623 | vfop->rc = 0; |
| 624 | |
| 625 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| 626 | |
| 627 | case BNX2X_VFOP_VLAN_MAC_CHK_DONE: |
| 628 | vfop->rc = !!obj->raw.check_pending(&obj->raw); |
| 629 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| 630 | |
| 631 | case BNX2X_VFOP_MAC_CONFIG_LIST: |
| 632 | /* next state */ |
| 633 | vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE; |
| 634 | |
| 635 | /* do list config */ |
| 636 | vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac); |
| 637 | if (vfop->rc) |
| 638 | goto op_err; |
| 639 | |
| 640 | set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags); |
| 641 | vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac); |
| 642 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| 643 | |
| 644 | case BNX2X_VFOP_VLAN_CONFIG_LIST: |
| 645 | /* next state */ |
| 646 | vfop->state = BNX2X_VFOP_VLAN_CONFIG_LIST_0; |
| 647 | |
| 648 | /* remove vlan0 - could be no-op */ |
| 649 | vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, false); |
| 650 | if (vfop->rc) |
| 651 | goto op_err; |
| 652 | |
| 653 | /* Do vlan list config. if this operation fails we try to |
| 654 | * restore vlan0 to keep the queue is working order |
| 655 | */ |
| 656 | vfop->rc = bnx2x_vfop_config_list(bp, filters, vlan_mac); |
| 657 | if (!vfop->rc) { |
| 658 | set_bit(RAMROD_CONT, &vlan_mac->ramrod_flags); |
| 659 | vfop->rc = bnx2x_config_vlan_mac(bp, vlan_mac); |
| 660 | } |
| 661 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); /* fall-through */ |
| 662 | |
| 663 | case BNX2X_VFOP_VLAN_CONFIG_LIST_0: |
| 664 | /* next state */ |
| 665 | vfop->state = BNX2X_VFOP_VLAN_MAC_CHK_DONE; |
| 666 | |
| 667 | if (list_empty(&obj->head)) |
| 668 | /* add vlan0 */ |
| 669 | vfop->rc = bnx2x_vfop_config_vlan0(bp, vlan_mac, true); |
| 670 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| 671 | |
| 672 | default: |
| 673 | bnx2x_vfop_default(state); |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 674 | } |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 675 | op_err: |
| 676 | BNX2X_ERR("VLAN-MAC error: rc %d\n", vfop->rc); |
| 677 | op_done: |
| 678 | kfree(filters); |
| 679 | bnx2x_vfop_credit(bp, vfop, obj); |
| 680 | bnx2x_vfop_end(bp, vf, vfop); |
| 681 | op_pending: |
| 682 | return; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 683 | } |
| 684 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 685 | struct bnx2x_vfop_vlan_mac_flags { |
| 686 | bool drv_only; |
| 687 | bool dont_consume; |
| 688 | bool single_cmd; |
| 689 | bool add; |
| 690 | }; |
| 691 | |
| 692 | static void |
| 693 | bnx2x_vfop_vlan_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod, |
| 694 | struct bnx2x_vfop_vlan_mac_flags *flags) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 695 | { |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 696 | struct bnx2x_vlan_mac_data *ureq = &ramrod->user_req; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 697 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 698 | memset(ramrod, 0, sizeof(*ramrod)); |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 699 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 700 | /* ramrod flags */ |
| 701 | if (flags->drv_only) |
| 702 | set_bit(RAMROD_DRV_CLR_ONLY, &ramrod->ramrod_flags); |
| 703 | if (flags->single_cmd) |
| 704 | set_bit(RAMROD_EXEC, &ramrod->ramrod_flags); |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 705 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 706 | /* mac_vlan flags */ |
| 707 | if (flags->dont_consume) |
| 708 | set_bit(BNX2X_DONT_CONSUME_CAM_CREDIT, &ureq->vlan_mac_flags); |
| 709 | |
| 710 | /* cmd */ |
| 711 | ureq->cmd = flags->add ? BNX2X_VLAN_MAC_ADD : BNX2X_VLAN_MAC_DEL; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 712 | } |
| 713 | |
Ariel Elior | 954ea74 | 2013-01-01 05:22:38 +0000 | [diff] [blame] | 714 | static inline void |
| 715 | bnx2x_vfop_mac_prep_ramrod(struct bnx2x_vlan_mac_ramrod_params *ramrod, |
| 716 | struct bnx2x_vfop_vlan_mac_flags *flags) |
| 717 | { |
| 718 | bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, flags); |
| 719 | set_bit(BNX2X_ETH_MAC, &ramrod->user_req.vlan_mac_flags); |
| 720 | } |
| 721 | |
Ariel Elior | 463a68a | 2013-01-01 05:22:39 +0000 | [diff] [blame] | 722 | static int bnx2x_vfop_mac_delall_cmd(struct bnx2x *bp, |
| 723 | struct bnx2x_virtf *vf, |
| 724 | struct bnx2x_vfop_cmd *cmd, |
| 725 | int qid, bool drv_only) |
| 726 | { |
| 727 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 728 | |
| 729 | if (vfop) { |
| 730 | struct bnx2x_vfop_args_filters filters = { |
| 731 | .multi_filter = NULL, /* single */ |
| 732 | .credit = NULL, /* consume credit */ |
| 733 | }; |
| 734 | struct bnx2x_vfop_vlan_mac_flags flags = { |
| 735 | .drv_only = drv_only, |
| 736 | .dont_consume = (filters.credit != NULL), |
| 737 | .single_cmd = true, |
| 738 | .add = false /* don't care */, |
| 739 | }; |
| 740 | struct bnx2x_vlan_mac_ramrod_params *ramrod = |
| 741 | &vf->op_params.vlan_mac; |
| 742 | |
| 743 | /* set ramrod params */ |
| 744 | bnx2x_vfop_mac_prep_ramrod(ramrod, &flags); |
| 745 | |
| 746 | /* set object */ |
| 747 | ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj); |
| 748 | |
| 749 | /* set extra args */ |
| 750 | vfop->args.filters = filters; |
| 751 | |
| 752 | bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR, |
| 753 | bnx2x_vfop_vlan_mac, cmd->done); |
| 754 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, |
| 755 | cmd->block); |
| 756 | } |
| 757 | return -ENOMEM; |
| 758 | } |
| 759 | |
Ariel Elior | 954ea74 | 2013-01-01 05:22:38 +0000 | [diff] [blame] | 760 | int bnx2x_vfop_mac_list_cmd(struct bnx2x *bp, |
| 761 | struct bnx2x_virtf *vf, |
| 762 | struct bnx2x_vfop_cmd *cmd, |
| 763 | struct bnx2x_vfop_filters *macs, |
| 764 | int qid, bool drv_only) |
| 765 | { |
| 766 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 767 | |
| 768 | if (vfop) { |
| 769 | struct bnx2x_vfop_args_filters filters = { |
| 770 | .multi_filter = macs, |
| 771 | .credit = NULL, /* consume credit */ |
| 772 | }; |
| 773 | struct bnx2x_vfop_vlan_mac_flags flags = { |
| 774 | .drv_only = drv_only, |
| 775 | .dont_consume = (filters.credit != NULL), |
| 776 | .single_cmd = false, |
| 777 | .add = false, /* don't care since only the items in the |
| 778 | * filters list affect the sp operation, |
| 779 | * not the list itself |
| 780 | */ |
| 781 | }; |
| 782 | struct bnx2x_vlan_mac_ramrod_params *ramrod = |
| 783 | &vf->op_params.vlan_mac; |
| 784 | |
| 785 | /* set ramrod params */ |
| 786 | bnx2x_vfop_mac_prep_ramrod(ramrod, &flags); |
| 787 | |
| 788 | /* set object */ |
| 789 | ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, mac_obj); |
| 790 | |
| 791 | /* set extra args */ |
| 792 | filters.multi_filter->add_cnt = BNX2X_VFOP_FILTER_ADD_CNT_MAX; |
| 793 | vfop->args.filters = filters; |
| 794 | |
| 795 | bnx2x_vfop_opset(BNX2X_VFOP_MAC_CONFIG_LIST, |
| 796 | bnx2x_vfop_vlan_mac, cmd->done); |
| 797 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, |
| 798 | cmd->block); |
| 799 | } |
| 800 | return -ENOMEM; |
| 801 | } |
| 802 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 803 | int bnx2x_vfop_vlan_set_cmd(struct bnx2x *bp, |
| 804 | struct bnx2x_virtf *vf, |
| 805 | struct bnx2x_vfop_cmd *cmd, |
| 806 | int qid, u16 vid, bool add) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 807 | { |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 808 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 809 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 810 | if (vfop) { |
| 811 | struct bnx2x_vfop_args_filters filters = { |
| 812 | .multi_filter = NULL, /* single command */ |
| 813 | .credit = &bnx2x_vfq(vf, qid, vlan_count), |
| 814 | }; |
| 815 | struct bnx2x_vfop_vlan_mac_flags flags = { |
| 816 | .drv_only = false, |
| 817 | .dont_consume = (filters.credit != NULL), |
| 818 | .single_cmd = true, |
| 819 | .add = add, |
| 820 | }; |
| 821 | struct bnx2x_vlan_mac_ramrod_params *ramrod = |
| 822 | &vf->op_params.vlan_mac; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 823 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 824 | /* set ramrod params */ |
| 825 | bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags); |
| 826 | ramrod->user_req.u.vlan.vlan = vid; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 827 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 828 | /* set object */ |
| 829 | ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj); |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 830 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 831 | /* set extra args */ |
| 832 | vfop->args.filters = filters; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 833 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 834 | bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE, |
| 835 | bnx2x_vfop_vlan_mac, cmd->done); |
| 836 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, |
| 837 | cmd->block); |
| 838 | } |
| 839 | return -ENOMEM; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 840 | } |
| 841 | |
Ariel Elior | 463a68a | 2013-01-01 05:22:39 +0000 | [diff] [blame] | 842 | static int bnx2x_vfop_vlan_delall_cmd(struct bnx2x *bp, |
| 843 | struct bnx2x_virtf *vf, |
| 844 | struct bnx2x_vfop_cmd *cmd, |
| 845 | int qid, bool drv_only) |
| 846 | { |
| 847 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 848 | |
| 849 | if (vfop) { |
| 850 | struct bnx2x_vfop_args_filters filters = { |
| 851 | .multi_filter = NULL, /* single command */ |
| 852 | .credit = &bnx2x_vfq(vf, qid, vlan_count), |
| 853 | }; |
| 854 | struct bnx2x_vfop_vlan_mac_flags flags = { |
| 855 | .drv_only = drv_only, |
| 856 | .dont_consume = (filters.credit != NULL), |
| 857 | .single_cmd = true, |
| 858 | .add = false, /* don't care */ |
| 859 | }; |
| 860 | struct bnx2x_vlan_mac_ramrod_params *ramrod = |
| 861 | &vf->op_params.vlan_mac; |
| 862 | |
| 863 | /* set ramrod params */ |
| 864 | bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags); |
| 865 | |
| 866 | /* set object */ |
| 867 | ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj); |
| 868 | |
| 869 | /* set extra args */ |
| 870 | vfop->args.filters = filters; |
| 871 | |
| 872 | bnx2x_vfop_opset(BNX2X_VFOP_VLAN_MAC_CLEAR, |
| 873 | bnx2x_vfop_vlan_mac, cmd->done); |
| 874 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, |
| 875 | cmd->block); |
| 876 | } |
| 877 | return -ENOMEM; |
| 878 | } |
| 879 | |
Ariel Elior | 954ea74 | 2013-01-01 05:22:38 +0000 | [diff] [blame] | 880 | int bnx2x_vfop_vlan_list_cmd(struct bnx2x *bp, |
| 881 | struct bnx2x_virtf *vf, |
| 882 | struct bnx2x_vfop_cmd *cmd, |
| 883 | struct bnx2x_vfop_filters *vlans, |
| 884 | int qid, bool drv_only) |
| 885 | { |
| 886 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 887 | |
| 888 | if (vfop) { |
| 889 | struct bnx2x_vfop_args_filters filters = { |
| 890 | .multi_filter = vlans, |
| 891 | .credit = &bnx2x_vfq(vf, qid, vlan_count), |
| 892 | }; |
| 893 | struct bnx2x_vfop_vlan_mac_flags flags = { |
| 894 | .drv_only = drv_only, |
| 895 | .dont_consume = (filters.credit != NULL), |
| 896 | .single_cmd = false, |
| 897 | .add = false, /* don't care */ |
| 898 | }; |
| 899 | struct bnx2x_vlan_mac_ramrod_params *ramrod = |
| 900 | &vf->op_params.vlan_mac; |
| 901 | |
| 902 | /* set ramrod params */ |
| 903 | bnx2x_vfop_vlan_mac_prep_ramrod(ramrod, &flags); |
| 904 | |
| 905 | /* set object */ |
| 906 | ramrod->vlan_mac_obj = &bnx2x_vfq(vf, qid, vlan_obj); |
| 907 | |
| 908 | /* set extra args */ |
| 909 | filters.multi_filter->add_cnt = vf_vlan_rules_cnt(vf) - |
| 910 | atomic_read(filters.credit); |
| 911 | |
| 912 | vfop->args.filters = filters; |
| 913 | |
| 914 | bnx2x_vfop_opset(BNX2X_VFOP_VLAN_CONFIG_LIST, |
| 915 | bnx2x_vfop_vlan_mac, cmd->done); |
| 916 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_vlan_mac, |
| 917 | cmd->block); |
| 918 | } |
| 919 | return -ENOMEM; |
| 920 | } |
| 921 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 922 | /* VFOP queue setup (queue constructor + set vlan 0) */ |
| 923 | static void bnx2x_vfop_qsetup(struct bnx2x *bp, struct bnx2x_virtf *vf) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 924 | { |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 925 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 926 | int qid = vfop->args.qctor.qid; |
| 927 | enum bnx2x_vfop_qsetup_state state = vfop->state; |
| 928 | struct bnx2x_vfop_cmd cmd = { |
| 929 | .done = bnx2x_vfop_qsetup, |
| 930 | .block = false, |
| 931 | }; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 932 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 933 | if (vfop->rc < 0) |
| 934 | goto op_err; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 935 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 936 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 937 | |
| 938 | switch (state) { |
| 939 | case BNX2X_VFOP_QSETUP_CTOR: |
| 940 | /* init the queue ctor command */ |
| 941 | vfop->state = BNX2X_VFOP_QSETUP_VLAN0; |
| 942 | vfop->rc = bnx2x_vfop_qctor_cmd(bp, vf, &cmd, qid); |
| 943 | if (vfop->rc) |
| 944 | goto op_err; |
| 945 | return; |
| 946 | |
| 947 | case BNX2X_VFOP_QSETUP_VLAN0: |
| 948 | /* skip if non-leading or FPGA/EMU*/ |
| 949 | if (qid) |
| 950 | goto op_done; |
| 951 | |
| 952 | /* init the queue set-vlan command (for vlan 0) */ |
| 953 | vfop->state = BNX2X_VFOP_QSETUP_DONE; |
| 954 | vfop->rc = bnx2x_vfop_vlan_set_cmd(bp, vf, &cmd, qid, 0, true); |
| 955 | if (vfop->rc) |
| 956 | goto op_err; |
| 957 | return; |
| 958 | op_err: |
| 959 | BNX2X_ERR("QSETUP[%d:%d] error: rc %d\n", vf->abs_vfid, qid, vfop->rc); |
| 960 | op_done: |
| 961 | case BNX2X_VFOP_QSETUP_DONE: |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 962 | vf->cfg_flags |= VF_CFG_VLAN; |
| 963 | smp_mb__before_clear_bit(); |
| 964 | set_bit(BNX2X_SP_RTNL_HYPERVISOR_VLAN, |
| 965 | &bp->sp_rtnl_state); |
| 966 | smp_mb__after_clear_bit(); |
| 967 | schedule_delayed_work(&bp->sp_rtnl_task, 0); |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 968 | bnx2x_vfop_end(bp, vf, vfop); |
| 969 | return; |
| 970 | default: |
| 971 | bnx2x_vfop_default(state); |
| 972 | } |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 973 | } |
| 974 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 975 | int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp, |
| 976 | struct bnx2x_virtf *vf, |
| 977 | struct bnx2x_vfop_cmd *cmd, |
| 978 | int qid) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 979 | { |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 980 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 981 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 982 | if (vfop) { |
| 983 | vfop->args.qctor.qid = qid; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 984 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 985 | bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR, |
| 986 | bnx2x_vfop_qsetup, cmd->done); |
| 987 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup, |
| 988 | cmd->block); |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 989 | } |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 990 | return -ENOMEM; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 991 | } |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 992 | |
Ariel Elior | d16132c | 2013-01-01 05:22:42 +0000 | [diff] [blame] | 993 | /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */ |
| 994 | static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 995 | { |
| 996 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 997 | int qid = vfop->args.qx.qid; |
| 998 | enum bnx2x_vfop_qflr_state state = vfop->state; |
| 999 | struct bnx2x_queue_state_params *qstate; |
| 1000 | struct bnx2x_vfop_cmd cmd; |
| 1001 | |
| 1002 | bnx2x_vfop_reset_wq(vf); |
| 1003 | |
| 1004 | if (vfop->rc < 0) |
| 1005 | goto op_err; |
| 1006 | |
| 1007 | DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state); |
| 1008 | |
| 1009 | cmd.done = bnx2x_vfop_qflr; |
| 1010 | cmd.block = false; |
| 1011 | |
| 1012 | switch (state) { |
| 1013 | case BNX2X_VFOP_QFLR_CLR_VLAN: |
| 1014 | /* vlan-clear-all: driver-only, don't consume credit */ |
| 1015 | vfop->state = BNX2X_VFOP_QFLR_CLR_MAC; |
| 1016 | vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, true); |
| 1017 | if (vfop->rc) |
| 1018 | goto op_err; |
| 1019 | return; |
| 1020 | |
| 1021 | case BNX2X_VFOP_QFLR_CLR_MAC: |
| 1022 | /* mac-clear-all: driver only consume credit */ |
| 1023 | vfop->state = BNX2X_VFOP_QFLR_TERMINATE; |
| 1024 | vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, true); |
| 1025 | DP(BNX2X_MSG_IOV, |
| 1026 | "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d", |
| 1027 | vf->abs_vfid, vfop->rc); |
| 1028 | if (vfop->rc) |
| 1029 | goto op_err; |
| 1030 | return; |
| 1031 | |
| 1032 | case BNX2X_VFOP_QFLR_TERMINATE: |
| 1033 | qstate = &vfop->op_p->qctor.qstate; |
| 1034 | memset(qstate , 0, sizeof(*qstate)); |
| 1035 | qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj); |
| 1036 | vfop->state = BNX2X_VFOP_QFLR_DONE; |
| 1037 | |
| 1038 | DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n", |
| 1039 | vf->abs_vfid, qstate->q_obj->state); |
| 1040 | |
| 1041 | if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) { |
| 1042 | qstate->q_obj->state = BNX2X_Q_STATE_STOPPED; |
| 1043 | qstate->cmd = BNX2X_Q_CMD_TERMINATE; |
| 1044 | vfop->rc = bnx2x_queue_state_change(bp, qstate); |
| 1045 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND); |
| 1046 | } else { |
| 1047 | goto op_done; |
| 1048 | } |
| 1049 | |
| 1050 | op_err: |
| 1051 | BNX2X_ERR("QFLR[%d:%d] error: rc %d\n", |
| 1052 | vf->abs_vfid, qid, vfop->rc); |
| 1053 | op_done: |
| 1054 | case BNX2X_VFOP_QFLR_DONE: |
| 1055 | bnx2x_vfop_end(bp, vf, vfop); |
| 1056 | return; |
| 1057 | default: |
| 1058 | bnx2x_vfop_default(state); |
| 1059 | } |
| 1060 | op_pending: |
| 1061 | return; |
| 1062 | } |
| 1063 | |
| 1064 | static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp, |
| 1065 | struct bnx2x_virtf *vf, |
| 1066 | struct bnx2x_vfop_cmd *cmd, |
| 1067 | int qid) |
| 1068 | { |
| 1069 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 1070 | |
| 1071 | if (vfop) { |
| 1072 | vfop->args.qx.qid = qid; |
| 1073 | bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN, |
| 1074 | bnx2x_vfop_qflr, cmd->done); |
| 1075 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr, |
| 1076 | cmd->block); |
| 1077 | } |
| 1078 | return -ENOMEM; |
| 1079 | } |
| 1080 | |
Ariel Elior | 954ea74 | 2013-01-01 05:22:38 +0000 | [diff] [blame] | 1081 | /* VFOP multi-casts */ |
| 1082 | static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1083 | { |
| 1084 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 1085 | struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast; |
| 1086 | struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw; |
| 1087 | struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list; |
| 1088 | enum bnx2x_vfop_mcast_state state = vfop->state; |
| 1089 | int i; |
| 1090 | |
| 1091 | bnx2x_vfop_reset_wq(vf); |
| 1092 | |
| 1093 | if (vfop->rc < 0) |
| 1094 | goto op_err; |
| 1095 | |
| 1096 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 1097 | |
| 1098 | switch (state) { |
| 1099 | case BNX2X_VFOP_MCAST_DEL: |
| 1100 | /* clear existing mcasts */ |
| 1101 | vfop->state = BNX2X_VFOP_MCAST_ADD; |
| 1102 | vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL); |
| 1103 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| 1104 | |
| 1105 | case BNX2X_VFOP_MCAST_ADD: |
| 1106 | if (raw->check_pending(raw)) |
| 1107 | goto op_pending; |
| 1108 | |
| 1109 | if (args->mc_num) { |
| 1110 | /* update mcast list on the ramrod params */ |
| 1111 | INIT_LIST_HEAD(&mcast->mcast_list); |
| 1112 | for (i = 0; i < args->mc_num; i++) |
| 1113 | list_add_tail(&(args->mc[i].link), |
| 1114 | &mcast->mcast_list); |
| 1115 | /* add new mcasts */ |
| 1116 | vfop->state = BNX2X_VFOP_MCAST_CHK_DONE; |
| 1117 | vfop->rc = bnx2x_config_mcast(bp, mcast, |
| 1118 | BNX2X_MCAST_CMD_ADD); |
| 1119 | } |
| 1120 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| 1121 | |
| 1122 | case BNX2X_VFOP_MCAST_CHK_DONE: |
| 1123 | vfop->rc = raw->check_pending(raw) ? 1 : 0; |
| 1124 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| 1125 | default: |
| 1126 | bnx2x_vfop_default(state); |
| 1127 | } |
| 1128 | op_err: |
| 1129 | BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc); |
| 1130 | op_done: |
| 1131 | kfree(args->mc); |
| 1132 | bnx2x_vfop_end(bp, vf, vfop); |
| 1133 | op_pending: |
| 1134 | return; |
| 1135 | } |
| 1136 | |
| 1137 | int bnx2x_vfop_mcast_cmd(struct bnx2x *bp, |
| 1138 | struct bnx2x_virtf *vf, |
| 1139 | struct bnx2x_vfop_cmd *cmd, |
| 1140 | bnx2x_mac_addr_t *mcasts, |
| 1141 | int mcast_num, bool drv_only) |
| 1142 | { |
| 1143 | struct bnx2x_vfop *vfop = NULL; |
| 1144 | size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem); |
| 1145 | struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) : |
| 1146 | NULL; |
| 1147 | |
| 1148 | if (!mc_sz || mc) { |
| 1149 | vfop = bnx2x_vfop_add(bp, vf); |
| 1150 | if (vfop) { |
| 1151 | int i; |
| 1152 | struct bnx2x_mcast_ramrod_params *ramrod = |
| 1153 | &vf->op_params.mcast; |
| 1154 | |
| 1155 | /* set ramrod params */ |
| 1156 | memset(ramrod, 0, sizeof(*ramrod)); |
| 1157 | ramrod->mcast_obj = &vf->mcast_obj; |
| 1158 | if (drv_only) |
| 1159 | set_bit(RAMROD_DRV_CLR_ONLY, |
| 1160 | &ramrod->ramrod_flags); |
| 1161 | |
| 1162 | /* copy mcasts pointers */ |
| 1163 | vfop->args.mc_list.mc_num = mcast_num; |
| 1164 | vfop->args.mc_list.mc = mc; |
| 1165 | for (i = 0; i < mcast_num; i++) |
| 1166 | mc[i].mac = mcasts[i]; |
| 1167 | |
| 1168 | bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL, |
| 1169 | bnx2x_vfop_mcast, cmd->done); |
| 1170 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast, |
| 1171 | cmd->block); |
| 1172 | } else { |
| 1173 | kfree(mc); |
| 1174 | } |
| 1175 | } |
| 1176 | return -ENOMEM; |
| 1177 | } |
| 1178 | |
| 1179 | /* VFOP rx-mode */ |
| 1180 | static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1181 | { |
| 1182 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 1183 | struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode; |
| 1184 | enum bnx2x_vfop_rxmode_state state = vfop->state; |
| 1185 | |
| 1186 | bnx2x_vfop_reset_wq(vf); |
| 1187 | |
| 1188 | if (vfop->rc < 0) |
| 1189 | goto op_err; |
| 1190 | |
| 1191 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 1192 | |
| 1193 | switch (state) { |
| 1194 | case BNX2X_VFOP_RXMODE_CONFIG: |
| 1195 | /* next state */ |
| 1196 | vfop->state = BNX2X_VFOP_RXMODE_DONE; |
| 1197 | |
| 1198 | vfop->rc = bnx2x_config_rx_mode(bp, ramrod); |
| 1199 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| 1200 | op_err: |
| 1201 | BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc); |
| 1202 | op_done: |
| 1203 | case BNX2X_VFOP_RXMODE_DONE: |
| 1204 | bnx2x_vfop_end(bp, vf, vfop); |
| 1205 | return; |
| 1206 | default: |
| 1207 | bnx2x_vfop_default(state); |
| 1208 | } |
| 1209 | op_pending: |
| 1210 | return; |
| 1211 | } |
| 1212 | |
| 1213 | int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp, |
| 1214 | struct bnx2x_virtf *vf, |
| 1215 | struct bnx2x_vfop_cmd *cmd, |
| 1216 | int qid, unsigned long accept_flags) |
| 1217 | { |
| 1218 | struct bnx2x_vf_queue *vfq = vfq_get(vf, qid); |
| 1219 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 1220 | |
| 1221 | if (vfop) { |
| 1222 | struct bnx2x_rx_mode_ramrod_params *ramrod = |
| 1223 | &vf->op_params.rx_mode; |
| 1224 | |
| 1225 | memset(ramrod, 0, sizeof(*ramrod)); |
| 1226 | |
| 1227 | /* Prepare ramrod parameters */ |
| 1228 | ramrod->cid = vfq->cid; |
| 1229 | ramrod->cl_id = vfq_cl_id(vf, vfq); |
| 1230 | ramrod->rx_mode_obj = &bp->rx_mode_obj; |
| 1231 | ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid); |
| 1232 | |
| 1233 | ramrod->rx_accept_flags = accept_flags; |
| 1234 | ramrod->tx_accept_flags = accept_flags; |
| 1235 | ramrod->pstate = &vf->filter_state; |
| 1236 | ramrod->state = BNX2X_FILTER_RX_MODE_PENDING; |
| 1237 | |
| 1238 | set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state); |
| 1239 | set_bit(RAMROD_RX, &ramrod->ramrod_flags); |
| 1240 | set_bit(RAMROD_TX, &ramrod->ramrod_flags); |
| 1241 | |
| 1242 | ramrod->rdata = |
| 1243 | bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2); |
| 1244 | ramrod->rdata_mapping = |
| 1245 | bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2); |
| 1246 | |
| 1247 | bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG, |
| 1248 | bnx2x_vfop_rxmode, cmd->done); |
| 1249 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode, |
| 1250 | cmd->block); |
| 1251 | } |
| 1252 | return -ENOMEM; |
| 1253 | } |
| 1254 | |
Ariel Elior | 463a68a | 2013-01-01 05:22:39 +0000 | [diff] [blame] | 1255 | /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs, |
| 1256 | * queue destructor) |
| 1257 | */ |
| 1258 | static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1259 | { |
| 1260 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 1261 | int qid = vfop->args.qx.qid; |
| 1262 | enum bnx2x_vfop_qteardown_state state = vfop->state; |
| 1263 | struct bnx2x_vfop_cmd cmd; |
| 1264 | |
| 1265 | if (vfop->rc < 0) |
| 1266 | goto op_err; |
| 1267 | |
| 1268 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 1269 | |
| 1270 | cmd.done = bnx2x_vfop_qdown; |
| 1271 | cmd.block = false; |
| 1272 | |
| 1273 | switch (state) { |
| 1274 | case BNX2X_VFOP_QTEARDOWN_RXMODE: |
| 1275 | /* Drop all */ |
| 1276 | vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN; |
| 1277 | vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0); |
| 1278 | if (vfop->rc) |
| 1279 | goto op_err; |
| 1280 | return; |
| 1281 | |
| 1282 | case BNX2X_VFOP_QTEARDOWN_CLR_VLAN: |
| 1283 | /* vlan-clear-all: don't consume credit */ |
| 1284 | vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC; |
| 1285 | vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false); |
| 1286 | if (vfop->rc) |
| 1287 | goto op_err; |
| 1288 | return; |
| 1289 | |
| 1290 | case BNX2X_VFOP_QTEARDOWN_CLR_MAC: |
| 1291 | /* mac-clear-all: consume credit */ |
| 1292 | vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR; |
| 1293 | vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false); |
| 1294 | if (vfop->rc) |
| 1295 | goto op_err; |
| 1296 | return; |
| 1297 | |
| 1298 | case BNX2X_VFOP_QTEARDOWN_QDTOR: |
| 1299 | /* run the queue destruction flow */ |
| 1300 | DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n"); |
| 1301 | vfop->state = BNX2X_VFOP_QTEARDOWN_DONE; |
| 1302 | DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n"); |
| 1303 | vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid); |
| 1304 | DP(BNX2X_MSG_IOV, "returned from cmd\n"); |
| 1305 | if (vfop->rc) |
| 1306 | goto op_err; |
| 1307 | return; |
| 1308 | op_err: |
| 1309 | BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n", |
| 1310 | vf->abs_vfid, qid, vfop->rc); |
| 1311 | |
| 1312 | case BNX2X_VFOP_QTEARDOWN_DONE: |
| 1313 | bnx2x_vfop_end(bp, vf, vfop); |
| 1314 | return; |
| 1315 | default: |
| 1316 | bnx2x_vfop_default(state); |
| 1317 | } |
| 1318 | } |
| 1319 | |
| 1320 | int bnx2x_vfop_qdown_cmd(struct bnx2x *bp, |
| 1321 | struct bnx2x_virtf *vf, |
| 1322 | struct bnx2x_vfop_cmd *cmd, |
| 1323 | int qid) |
| 1324 | { |
| 1325 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 1326 | |
| 1327 | if (vfop) { |
| 1328 | vfop->args.qx.qid = qid; |
| 1329 | bnx2x_vfop_opset(BNX2X_VFOP_QTEARDOWN_RXMODE, |
| 1330 | bnx2x_vfop_qdown, cmd->done); |
| 1331 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown, |
| 1332 | cmd->block); |
| 1333 | } |
| 1334 | |
| 1335 | return -ENOMEM; |
| 1336 | } |
| 1337 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1338 | /* VF enable primitives |
| 1339 | * when pretend is required the caller is responsible |
| 1340 | * for calling pretend prior to calling these routines |
| 1341 | */ |
| 1342 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1343 | /* internal vf enable - until vf is enabled internally all transactions |
Yuval Mintz | 16a5fd9 | 2013-06-02 00:06:18 +0000 | [diff] [blame] | 1344 | * are blocked. This routine should always be called last with pretend. |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1345 | */ |
| 1346 | static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable) |
| 1347 | { |
| 1348 | REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0); |
| 1349 | } |
| 1350 | |
| 1351 | /* clears vf error in all semi blocks */ |
| 1352 | static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid) |
| 1353 | { |
| 1354 | REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid); |
| 1355 | REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid); |
| 1356 | REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid); |
| 1357 | REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid); |
| 1358 | } |
| 1359 | |
| 1360 | static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid) |
| 1361 | { |
| 1362 | u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5; |
| 1363 | u32 was_err_reg = 0; |
| 1364 | |
| 1365 | switch (was_err_group) { |
| 1366 | case 0: |
| 1367 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR; |
| 1368 | break; |
| 1369 | case 1: |
| 1370 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR; |
| 1371 | break; |
| 1372 | case 2: |
| 1373 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR; |
| 1374 | break; |
| 1375 | case 3: |
| 1376 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR; |
| 1377 | break; |
| 1378 | } |
| 1379 | REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f)); |
| 1380 | } |
| 1381 | |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 1382 | static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1383 | { |
| 1384 | int i; |
| 1385 | u32 val; |
| 1386 | |
| 1387 | /* Set VF masks and configuration - pretend */ |
| 1388 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); |
| 1389 | |
| 1390 | REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0); |
| 1391 | REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0); |
| 1392 | REG_WR(bp, IGU_REG_SB_MASK_LSB, 0); |
| 1393 | REG_WR(bp, IGU_REG_SB_MASK_MSB, 0); |
| 1394 | REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0); |
| 1395 | REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0); |
| 1396 | |
| 1397 | val = REG_RD(bp, IGU_REG_VF_CONFIGURATION); |
| 1398 | val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN); |
| 1399 | if (vf->cfg_flags & VF_CFG_INT_SIMD) |
| 1400 | val |= IGU_VF_CONF_SINGLE_ISR_EN; |
| 1401 | val &= ~IGU_VF_CONF_PARENT_MASK; |
| 1402 | val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */ |
| 1403 | REG_WR(bp, IGU_REG_VF_CONFIGURATION, val); |
| 1404 | |
| 1405 | DP(BNX2X_MSG_IOV, |
| 1406 | "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n", |
| 1407 | vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION)); |
| 1408 | |
| 1409 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| 1410 | |
| 1411 | /* iterate over all queues, clear sb consumer */ |
| 1412 | for (i = 0; i < vf_sb_count(vf); i++) { |
| 1413 | u8 igu_sb_id = vf_igu_sb(vf, i); |
| 1414 | |
| 1415 | /* zero prod memory */ |
| 1416 | REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0); |
| 1417 | |
| 1418 | /* clear sb state machine */ |
| 1419 | bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id, |
| 1420 | false /* VF */); |
| 1421 | |
| 1422 | /* disable + update */ |
| 1423 | bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0, |
| 1424 | IGU_INT_DISABLE, 1); |
| 1425 | } |
| 1426 | } |
| 1427 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1428 | void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid) |
| 1429 | { |
| 1430 | /* set the VF-PF association in the FW */ |
| 1431 | storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp)); |
| 1432 | storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1); |
| 1433 | |
| 1434 | /* clear vf errors*/ |
| 1435 | bnx2x_vf_semi_clear_err(bp, abs_vfid); |
| 1436 | bnx2x_vf_pglue_clear_err(bp, abs_vfid); |
| 1437 | |
| 1438 | /* internal vf-enable - pretend */ |
| 1439 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid)); |
| 1440 | DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid); |
| 1441 | bnx2x_vf_enable_internal(bp, true); |
| 1442 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| 1443 | } |
| 1444 | |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 1445 | static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1446 | { |
| 1447 | /* Reset vf in IGU interrupts are still disabled */ |
| 1448 | bnx2x_vf_igu_reset(bp, vf); |
| 1449 | |
| 1450 | /* pretend to enable the vf with the PBF */ |
| 1451 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); |
| 1452 | REG_WR(bp, PBF_REG_DISABLE_VF, 0); |
| 1453 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| 1454 | } |
| 1455 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1456 | static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid) |
| 1457 | { |
| 1458 | struct pci_dev *dev; |
| 1459 | struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); |
| 1460 | |
| 1461 | if (!vf) |
Ariel Elior | 78c3bcc | 2013-06-20 17:39:08 +0300 | [diff] [blame] | 1462 | return false; |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1463 | |
| 1464 | dev = pci_get_bus_and_slot(vf->bus, vf->devfn); |
| 1465 | if (dev) |
| 1466 | return bnx2x_is_pcie_pending(dev); |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1467 | return false; |
| 1468 | } |
| 1469 | |
| 1470 | int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid) |
| 1471 | { |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1472 | /* Verify no pending pci transactions */ |
| 1473 | if (bnx2x_vf_is_pcie_pending(bp, abs_vfid)) |
| 1474 | BNX2X_ERR("PCIE Transactions still pending\n"); |
| 1475 | |
| 1476 | return 0; |
| 1477 | } |
| 1478 | |
| 1479 | /* must be called after the number of PF queues and the number of VFs are |
| 1480 | * both known |
| 1481 | */ |
| 1482 | static void |
| 1483 | bnx2x_iov_static_resc(struct bnx2x *bp, struct vf_pf_resc_request *resc) |
| 1484 | { |
| 1485 | u16 vlan_count = 0; |
| 1486 | |
| 1487 | /* will be set only during VF-ACQUIRE */ |
| 1488 | resc->num_rxqs = 0; |
| 1489 | resc->num_txqs = 0; |
| 1490 | |
| 1491 | /* no credit calculcis for macs (just yet) */ |
| 1492 | resc->num_mac_filters = 1; |
| 1493 | |
| 1494 | /* divvy up vlan rules */ |
| 1495 | vlan_count = bp->vlans_pool.check(&bp->vlans_pool); |
| 1496 | vlan_count = 1 << ilog2(vlan_count); |
| 1497 | resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp); |
| 1498 | |
| 1499 | /* no real limitation */ |
| 1500 | resc->num_mc_filters = 0; |
| 1501 | |
| 1502 | /* num_sbs already set */ |
| 1503 | } |
| 1504 | |
Ariel Elior | f1929b0 | 2013-01-01 05:22:41 +0000 | [diff] [blame] | 1505 | /* FLR routines: */ |
| 1506 | static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1507 | { |
| 1508 | /* reset the state variables */ |
| 1509 | bnx2x_iov_static_resc(bp, &vf->alloc_resc); |
| 1510 | vf->state = VF_FREE; |
| 1511 | } |
| 1512 | |
Ariel Elior | d16132c | 2013-01-01 05:22:42 +0000 | [diff] [blame] | 1513 | static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1514 | { |
| 1515 | u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp); |
| 1516 | |
| 1517 | /* DQ usage counter */ |
| 1518 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); |
| 1519 | bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT, |
| 1520 | "DQ VF usage counter timed out", |
| 1521 | poll_cnt); |
| 1522 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| 1523 | |
| 1524 | /* FW cleanup command - poll for the results */ |
| 1525 | if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid), |
| 1526 | poll_cnt)) |
| 1527 | BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid); |
| 1528 | |
| 1529 | /* verify TX hw is flushed */ |
| 1530 | bnx2x_tx_hw_flushed(bp, poll_cnt); |
| 1531 | } |
| 1532 | |
| 1533 | static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1534 | { |
| 1535 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 1536 | struct bnx2x_vfop_args_qx *qx = &vfop->args.qx; |
| 1537 | enum bnx2x_vfop_flr_state state = vfop->state; |
| 1538 | struct bnx2x_vfop_cmd cmd = { |
| 1539 | .done = bnx2x_vfop_flr, |
| 1540 | .block = false, |
| 1541 | }; |
| 1542 | |
| 1543 | if (vfop->rc < 0) |
| 1544 | goto op_err; |
| 1545 | |
| 1546 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 1547 | |
| 1548 | switch (state) { |
| 1549 | case BNX2X_VFOP_FLR_QUEUES: |
| 1550 | /* the cleanup operations are valid if and only if the VF |
| 1551 | * was first acquired. |
| 1552 | */ |
| 1553 | if (++(qx->qid) < vf_rxq_count(vf)) { |
| 1554 | vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd, |
| 1555 | qx->qid); |
| 1556 | if (vfop->rc) |
| 1557 | goto op_err; |
| 1558 | return; |
| 1559 | } |
| 1560 | /* remove multicasts */ |
| 1561 | vfop->state = BNX2X_VFOP_FLR_HW; |
| 1562 | vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, |
| 1563 | 0, true); |
| 1564 | if (vfop->rc) |
| 1565 | goto op_err; |
| 1566 | return; |
| 1567 | case BNX2X_VFOP_FLR_HW: |
| 1568 | |
| 1569 | /* dispatch final cleanup and wait for HW queues to flush */ |
| 1570 | bnx2x_vf_flr_clnup_hw(bp, vf); |
| 1571 | |
| 1572 | /* release VF resources */ |
| 1573 | bnx2x_vf_free_resc(bp, vf); |
| 1574 | |
| 1575 | /* re-open the mailbox */ |
| 1576 | bnx2x_vf_enable_mbx(bp, vf->abs_vfid); |
| 1577 | |
| 1578 | goto op_done; |
| 1579 | default: |
| 1580 | bnx2x_vfop_default(state); |
| 1581 | } |
| 1582 | op_err: |
| 1583 | BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc); |
| 1584 | op_done: |
| 1585 | vf->flr_clnup_stage = VF_FLR_ACK; |
| 1586 | bnx2x_vfop_end(bp, vf, vfop); |
| 1587 | bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR); |
| 1588 | } |
| 1589 | |
| 1590 | static int bnx2x_vfop_flr_cmd(struct bnx2x *bp, |
| 1591 | struct bnx2x_virtf *vf, |
| 1592 | vfop_handler_t done) |
| 1593 | { |
| 1594 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 1595 | if (vfop) { |
| 1596 | vfop->args.qx.qid = -1; /* loop */ |
| 1597 | bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES, |
| 1598 | bnx2x_vfop_flr, done); |
| 1599 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false); |
| 1600 | } |
| 1601 | return -ENOMEM; |
| 1602 | } |
| 1603 | |
| 1604 | static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf) |
| 1605 | { |
| 1606 | int i = prev_vf ? prev_vf->index + 1 : 0; |
| 1607 | struct bnx2x_virtf *vf; |
| 1608 | |
| 1609 | /* find next VF to cleanup */ |
| 1610 | next_vf_to_clean: |
| 1611 | for (; |
| 1612 | i < BNX2X_NR_VIRTFN(bp) && |
| 1613 | (bnx2x_vf(bp, i, state) != VF_RESET || |
| 1614 | bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN); |
| 1615 | i++) |
| 1616 | ; |
| 1617 | |
Yuval Mintz | 6bf07b8 | 2013-06-02 00:06:20 +0000 | [diff] [blame] | 1618 | DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. Num of vfs: %d\n", i, |
Ariel Elior | d16132c | 2013-01-01 05:22:42 +0000 | [diff] [blame] | 1619 | BNX2X_NR_VIRTFN(bp)); |
| 1620 | |
| 1621 | if (i < BNX2X_NR_VIRTFN(bp)) { |
| 1622 | vf = BP_VF(bp, i); |
| 1623 | |
| 1624 | /* lock the vf pf channel */ |
| 1625 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR); |
| 1626 | |
| 1627 | /* invoke the VF FLR SM */ |
| 1628 | if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) { |
| 1629 | BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n", |
| 1630 | vf->abs_vfid); |
| 1631 | |
| 1632 | /* mark the VF to be ACKED and continue */ |
| 1633 | vf->flr_clnup_stage = VF_FLR_ACK; |
| 1634 | goto next_vf_to_clean; |
| 1635 | } |
| 1636 | return; |
| 1637 | } |
| 1638 | |
| 1639 | /* we are done, update vf records */ |
| 1640 | for_each_vf(bp, i) { |
| 1641 | vf = BP_VF(bp, i); |
| 1642 | |
| 1643 | if (vf->flr_clnup_stage != VF_FLR_ACK) |
| 1644 | continue; |
| 1645 | |
| 1646 | vf->flr_clnup_stage = VF_FLR_EPILOG; |
| 1647 | } |
| 1648 | |
| 1649 | /* Acknowledge the handled VFs. |
| 1650 | * we are acknowledge all the vfs which an flr was requested for, even |
| 1651 | * if amongst them there are such that we never opened, since the mcp |
| 1652 | * will interrupt us immediately again if we only ack some of the bits, |
| 1653 | * resulting in an endless loop. This can happen for example in KVM |
| 1654 | * where an 'all ones' flr request is sometimes given by hyper visor |
| 1655 | */ |
| 1656 | DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n", |
| 1657 | bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]); |
| 1658 | for (i = 0; i < FLRD_VFS_DWORDS; i++) |
| 1659 | SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], |
| 1660 | bp->vfdb->flrd_vfs[i]); |
| 1661 | |
| 1662 | bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0); |
| 1663 | |
| 1664 | /* clear the acked bits - better yet if the MCP implemented |
| 1665 | * write to clear semantics |
| 1666 | */ |
| 1667 | for (i = 0; i < FLRD_VFS_DWORDS; i++) |
| 1668 | SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0); |
| 1669 | } |
| 1670 | |
| 1671 | void bnx2x_vf_handle_flr_event(struct bnx2x *bp) |
| 1672 | { |
| 1673 | int i; |
| 1674 | |
| 1675 | /* Read FLR'd VFs */ |
| 1676 | for (i = 0; i < FLRD_VFS_DWORDS; i++) |
| 1677 | bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]); |
| 1678 | |
| 1679 | DP(BNX2X_MSG_MCP, |
| 1680 | "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n", |
| 1681 | bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]); |
| 1682 | |
| 1683 | for_each_vf(bp, i) { |
| 1684 | struct bnx2x_virtf *vf = BP_VF(bp, i); |
| 1685 | u32 reset = 0; |
| 1686 | |
| 1687 | if (vf->abs_vfid < 32) |
| 1688 | reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid); |
| 1689 | else |
| 1690 | reset = bp->vfdb->flrd_vfs[1] & |
| 1691 | (1 << (vf->abs_vfid - 32)); |
| 1692 | |
| 1693 | if (reset) { |
| 1694 | /* set as reset and ready for cleanup */ |
| 1695 | vf->state = VF_RESET; |
| 1696 | vf->flr_clnup_stage = VF_FLR_CLN; |
| 1697 | |
| 1698 | DP(BNX2X_MSG_IOV, |
| 1699 | "Initiating Final cleanup for VF %d\n", |
| 1700 | vf->abs_vfid); |
| 1701 | } |
| 1702 | } |
| 1703 | |
| 1704 | /* do the FLR cleanup for all marked VFs*/ |
| 1705 | bnx2x_vf_flr_clnup(bp, NULL); |
| 1706 | } |
| 1707 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1708 | /* IOV global initialization routines */ |
| 1709 | void bnx2x_iov_init_dq(struct bnx2x *bp) |
| 1710 | { |
| 1711 | if (!IS_SRIOV(bp)) |
| 1712 | return; |
| 1713 | |
| 1714 | /* Set the DQ such that the CID reflect the abs_vfid */ |
| 1715 | REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0); |
| 1716 | REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS)); |
| 1717 | |
| 1718 | /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to |
| 1719 | * the PF L2 queues |
| 1720 | */ |
| 1721 | REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID); |
| 1722 | |
| 1723 | /* The VF window size is the log2 of the max number of CIDs per VF */ |
| 1724 | REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND); |
| 1725 | |
| 1726 | /* The VF doorbell size 0 - *B, 4 - 128B. We set it here to match |
| 1727 | * the Pf doorbell size although the 2 are independent. |
| 1728 | */ |
| 1729 | REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST, |
| 1730 | BNX2X_DB_SHIFT - BNX2X_DB_MIN_SHIFT); |
| 1731 | |
| 1732 | /* No security checks for now - |
| 1733 | * configure single rule (out of 16) mask = 0x1, value = 0x0, |
| 1734 | * CID range 0 - 0x1ffff |
| 1735 | */ |
| 1736 | REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1); |
| 1737 | REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0); |
| 1738 | REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0); |
| 1739 | REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff); |
| 1740 | |
Yuval Mintz | 16a5fd9 | 2013-06-02 00:06:18 +0000 | [diff] [blame] | 1741 | /* set the number of VF allowed doorbells to the full DQ range */ |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1742 | REG_WR(bp, DORQ_REG_VF_NORM_MAX_CID_COUNT, 0x20000); |
| 1743 | |
| 1744 | /* set the VF doorbell threshold */ |
| 1745 | REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4); |
| 1746 | } |
| 1747 | |
| 1748 | void bnx2x_iov_init_dmae(struct bnx2x *bp) |
| 1749 | { |
| 1750 | DP(BNX2X_MSG_IOV, "SRIOV is %s\n", IS_SRIOV(bp) ? "ON" : "OFF"); |
| 1751 | if (!IS_SRIOV(bp)) |
| 1752 | return; |
| 1753 | |
| 1754 | REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0); |
| 1755 | } |
| 1756 | |
| 1757 | static int bnx2x_vf_bus(struct bnx2x *bp, int vfid) |
| 1758 | { |
| 1759 | struct pci_dev *dev = bp->pdev; |
| 1760 | struct bnx2x_sriov *iov = &bp->vfdb->sriov; |
| 1761 | |
| 1762 | return dev->bus->number + ((dev->devfn + iov->offset + |
| 1763 | iov->stride * vfid) >> 8); |
| 1764 | } |
| 1765 | |
| 1766 | static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid) |
| 1767 | { |
| 1768 | struct pci_dev *dev = bp->pdev; |
| 1769 | struct bnx2x_sriov *iov = &bp->vfdb->sriov; |
| 1770 | |
| 1771 | return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff; |
| 1772 | } |
| 1773 | |
| 1774 | static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1775 | { |
| 1776 | int i, n; |
| 1777 | struct pci_dev *dev = bp->pdev; |
| 1778 | struct bnx2x_sriov *iov = &bp->vfdb->sriov; |
| 1779 | |
| 1780 | for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) { |
| 1781 | u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i); |
| 1782 | u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i); |
| 1783 | |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 1784 | size /= iov->total; |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1785 | vf->bars[n].bar = start + size * vf->abs_vfid; |
| 1786 | vf->bars[n].size = size; |
| 1787 | } |
| 1788 | } |
| 1789 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 1790 | static int bnx2x_ari_enabled(struct pci_dev *dev) |
| 1791 | { |
| 1792 | return dev->bus->self && dev->bus->self->ari_enabled; |
| 1793 | } |
| 1794 | |
| 1795 | static void |
| 1796 | bnx2x_get_vf_igu_cam_info(struct bnx2x *bp) |
| 1797 | { |
| 1798 | int sb_id; |
| 1799 | u32 val; |
| 1800 | u8 fid; |
| 1801 | |
| 1802 | /* IGU in normal mode - read CAM */ |
| 1803 | for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) { |
| 1804 | val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4); |
| 1805 | if (!(val & IGU_REG_MAPPING_MEMORY_VALID)) |
| 1806 | continue; |
| 1807 | fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID); |
| 1808 | if (!(fid & IGU_FID_ENCODE_IS_PF)) |
| 1809 | bnx2x_vf_set_igu_info(bp, sb_id, |
| 1810 | (fid & IGU_FID_VF_NUM_MASK)); |
| 1811 | |
| 1812 | DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n", |
| 1813 | ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"), |
| 1814 | ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) : |
| 1815 | (fid & IGU_FID_VF_NUM_MASK)), sb_id, |
| 1816 | GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)); |
| 1817 | } |
| 1818 | } |
| 1819 | |
| 1820 | static void __bnx2x_iov_free_vfdb(struct bnx2x *bp) |
| 1821 | { |
| 1822 | if (bp->vfdb) { |
| 1823 | kfree(bp->vfdb->vfqs); |
| 1824 | kfree(bp->vfdb->vfs); |
| 1825 | kfree(bp->vfdb); |
| 1826 | } |
| 1827 | bp->vfdb = NULL; |
| 1828 | } |
| 1829 | |
| 1830 | static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov) |
| 1831 | { |
| 1832 | int pos; |
| 1833 | struct pci_dev *dev = bp->pdev; |
| 1834 | |
| 1835 | pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV); |
| 1836 | if (!pos) { |
| 1837 | BNX2X_ERR("failed to find SRIOV capability in device\n"); |
| 1838 | return -ENODEV; |
| 1839 | } |
| 1840 | |
| 1841 | iov->pos = pos; |
| 1842 | DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos); |
| 1843 | pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl); |
| 1844 | pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total); |
| 1845 | pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial); |
| 1846 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset); |
| 1847 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride); |
| 1848 | pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz); |
| 1849 | pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap); |
| 1850 | pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link); |
| 1851 | |
| 1852 | return 0; |
| 1853 | } |
| 1854 | |
| 1855 | static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov) |
| 1856 | { |
| 1857 | u32 val; |
| 1858 | |
| 1859 | /* read the SRIOV capability structure |
| 1860 | * The fields can be read via configuration read or |
| 1861 | * directly from the device (starting at offset PCICFG_OFFSET) |
| 1862 | */ |
| 1863 | if (bnx2x_sriov_pci_cfg_info(bp, iov)) |
| 1864 | return -ENODEV; |
| 1865 | |
| 1866 | /* get the number of SRIOV bars */ |
| 1867 | iov->nres = 0; |
| 1868 | |
| 1869 | /* read the first_vfid */ |
| 1870 | val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF); |
| 1871 | iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK) |
| 1872 | * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp)); |
| 1873 | |
| 1874 | DP(BNX2X_MSG_IOV, |
| 1875 | "IOV info[%d]: first vf %d, nres %d, cap 0x%x, ctrl 0x%x, total %d, initial %d, num vfs %d, offset %d, stride %d, page size 0x%x\n", |
| 1876 | BP_FUNC(bp), |
| 1877 | iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total, |
| 1878 | iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz); |
| 1879 | |
| 1880 | return 0; |
| 1881 | } |
| 1882 | |
| 1883 | static u8 bnx2x_iov_get_max_queue_count(struct bnx2x *bp) |
| 1884 | { |
| 1885 | int i; |
| 1886 | u8 queue_count = 0; |
| 1887 | |
| 1888 | if (IS_SRIOV(bp)) |
| 1889 | for_each_vf(bp, i) |
| 1890 | queue_count += bnx2x_vf(bp, i, alloc_resc.num_sbs); |
| 1891 | |
| 1892 | return queue_count; |
| 1893 | } |
| 1894 | |
| 1895 | /* must be called after PF bars are mapped */ |
| 1896 | int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, |
| 1897 | int num_vfs_param) |
| 1898 | { |
| 1899 | int err, i, qcount; |
| 1900 | struct bnx2x_sriov *iov; |
| 1901 | struct pci_dev *dev = bp->pdev; |
| 1902 | |
| 1903 | bp->vfdb = NULL; |
| 1904 | |
| 1905 | /* verify is pf */ |
| 1906 | if (IS_VF(bp)) |
| 1907 | return 0; |
| 1908 | |
| 1909 | /* verify sriov capability is present in configuration space */ |
| 1910 | if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV)) |
| 1911 | return 0; |
| 1912 | |
| 1913 | /* verify chip revision */ |
| 1914 | if (CHIP_IS_E1x(bp)) |
| 1915 | return 0; |
| 1916 | |
| 1917 | /* check if SRIOV support is turned off */ |
| 1918 | if (!num_vfs_param) |
| 1919 | return 0; |
| 1920 | |
| 1921 | /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */ |
| 1922 | if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) { |
| 1923 | BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n", |
| 1924 | BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID); |
| 1925 | return 0; |
| 1926 | } |
| 1927 | |
| 1928 | /* SRIOV can be enabled only with MSIX */ |
| 1929 | if (int_mode_param == BNX2X_INT_MODE_MSI || |
Ariel Elior | 1093860 | 2013-03-27 01:05:14 +0000 | [diff] [blame] | 1930 | int_mode_param == BNX2X_INT_MODE_INTX) { |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 1931 | BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n"); |
Ariel Elior | 1093860 | 2013-03-27 01:05:14 +0000 | [diff] [blame] | 1932 | return 0; |
| 1933 | } |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 1934 | |
| 1935 | err = -EIO; |
| 1936 | /* verify ari is enabled */ |
| 1937 | if (!bnx2x_ari_enabled(bp->pdev)) { |
Ariel Elior | 1093860 | 2013-03-27 01:05:14 +0000 | [diff] [blame] | 1938 | BNX2X_ERR("ARI not supported (check pci bridge ARI forwarding), SRIOV can not be enabled\n"); |
| 1939 | return 0; |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 1940 | } |
| 1941 | |
| 1942 | /* verify igu is in normal mode */ |
| 1943 | if (CHIP_INT_MODE_IS_BC(bp)) { |
| 1944 | BNX2X_ERR("IGU not normal mode, SRIOV can not be enabled\n"); |
Ariel Elior | 1093860 | 2013-03-27 01:05:14 +0000 | [diff] [blame] | 1945 | return 0; |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 1946 | } |
| 1947 | |
| 1948 | /* allocate the vfs database */ |
| 1949 | bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL); |
| 1950 | if (!bp->vfdb) { |
| 1951 | BNX2X_ERR("failed to allocate vf database\n"); |
| 1952 | err = -ENOMEM; |
| 1953 | goto failed; |
| 1954 | } |
| 1955 | |
| 1956 | /* get the sriov info - Linux already collected all the pertinent |
| 1957 | * information, however the sriov structure is for the private use |
| 1958 | * of the pci module. Also we want this information regardless |
| 1959 | * of the hyper-visor. |
| 1960 | */ |
| 1961 | iov = &(bp->vfdb->sriov); |
| 1962 | err = bnx2x_sriov_info(bp, iov); |
| 1963 | if (err) |
| 1964 | goto failed; |
| 1965 | |
| 1966 | /* SR-IOV capability was enabled but there are no VFs*/ |
| 1967 | if (iov->total == 0) |
| 1968 | goto failed; |
| 1969 | |
Ariel Elior | 3c76fef | 2013-03-11 05:17:46 +0000 | [diff] [blame] | 1970 | iov->nr_virtfn = min_t(u16, iov->total, num_vfs_param); |
| 1971 | |
| 1972 | DP(BNX2X_MSG_IOV, "num_vfs_param was %d, nr_virtfn was %d\n", |
| 1973 | num_vfs_param, iov->nr_virtfn); |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 1974 | |
| 1975 | /* allocate the vf array */ |
| 1976 | bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) * |
| 1977 | BNX2X_NR_VIRTFN(bp), GFP_KERNEL); |
| 1978 | if (!bp->vfdb->vfs) { |
| 1979 | BNX2X_ERR("failed to allocate vf array\n"); |
| 1980 | err = -ENOMEM; |
| 1981 | goto failed; |
| 1982 | } |
| 1983 | |
| 1984 | /* Initial VF init - index and abs_vfid - nr_virtfn must be set */ |
| 1985 | for_each_vf(bp, i) { |
| 1986 | bnx2x_vf(bp, i, index) = i; |
| 1987 | bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i; |
| 1988 | bnx2x_vf(bp, i, state) = VF_FREE; |
| 1989 | INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head)); |
| 1990 | mutex_init(&bnx2x_vf(bp, i, op_mutex)); |
| 1991 | bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE; |
| 1992 | } |
| 1993 | |
| 1994 | /* re-read the IGU CAM for VFs - index and abs_vfid must be set */ |
| 1995 | bnx2x_get_vf_igu_cam_info(bp); |
| 1996 | |
| 1997 | /* get the total queue count and allocate the global queue arrays */ |
| 1998 | qcount = bnx2x_iov_get_max_queue_count(bp); |
| 1999 | |
| 2000 | /* allocate the queue arrays for all VFs */ |
| 2001 | bp->vfdb->vfqs = kzalloc(qcount * sizeof(struct bnx2x_vf_queue), |
| 2002 | GFP_KERNEL); |
| 2003 | if (!bp->vfdb->vfqs) { |
| 2004 | BNX2X_ERR("failed to allocate vf queue array\n"); |
| 2005 | err = -ENOMEM; |
| 2006 | goto failed; |
| 2007 | } |
| 2008 | |
| 2009 | return 0; |
| 2010 | failed: |
| 2011 | DP(BNX2X_MSG_IOV, "Failed err=%d\n", err); |
| 2012 | __bnx2x_iov_free_vfdb(bp); |
| 2013 | return err; |
| 2014 | } |
| 2015 | |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2016 | void bnx2x_iov_remove_one(struct bnx2x *bp) |
| 2017 | { |
| 2018 | /* if SRIOV is not enabled there's nothing to do */ |
| 2019 | if (!IS_SRIOV(bp)) |
| 2020 | return; |
| 2021 | |
Ariel Elior | 8395be5 | 2013-01-01 05:22:44 +0000 | [diff] [blame] | 2022 | DP(BNX2X_MSG_IOV, "about to call disable sriov\n"); |
| 2023 | pci_disable_sriov(bp->pdev); |
| 2024 | DP(BNX2X_MSG_IOV, "sriov disabled\n"); |
| 2025 | |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2026 | /* free vf database */ |
| 2027 | __bnx2x_iov_free_vfdb(bp); |
| 2028 | } |
| 2029 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 2030 | void bnx2x_iov_free_mem(struct bnx2x *bp) |
| 2031 | { |
| 2032 | int i; |
| 2033 | |
| 2034 | if (!IS_SRIOV(bp)) |
| 2035 | return; |
| 2036 | |
| 2037 | /* free vfs hw contexts */ |
| 2038 | for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { |
| 2039 | struct hw_dma *cxt = &bp->vfdb->context[i]; |
| 2040 | BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size); |
| 2041 | } |
| 2042 | |
| 2043 | BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr, |
| 2044 | BP_VFDB(bp)->sp_dma.mapping, |
| 2045 | BP_VFDB(bp)->sp_dma.size); |
| 2046 | |
| 2047 | BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr, |
| 2048 | BP_VF_MBX_DMA(bp)->mapping, |
| 2049 | BP_VF_MBX_DMA(bp)->size); |
Ariel Elior | abc5a02 | 2013-01-01 05:22:43 +0000 | [diff] [blame] | 2050 | |
| 2051 | BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr, |
| 2052 | BP_VF_BULLETIN_DMA(bp)->mapping, |
| 2053 | BP_VF_BULLETIN_DMA(bp)->size); |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 2054 | } |
| 2055 | |
| 2056 | int bnx2x_iov_alloc_mem(struct bnx2x *bp) |
| 2057 | { |
| 2058 | size_t tot_size; |
| 2059 | int i, rc = 0; |
| 2060 | |
| 2061 | if (!IS_SRIOV(bp)) |
| 2062 | return rc; |
| 2063 | |
| 2064 | /* allocate vfs hw contexts */ |
| 2065 | tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) * |
| 2066 | BNX2X_CIDS_PER_VF * sizeof(union cdu_context); |
| 2067 | |
| 2068 | for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { |
| 2069 | struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i); |
| 2070 | cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ); |
| 2071 | |
| 2072 | if (cxt->size) { |
| 2073 | BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size); |
| 2074 | } else { |
| 2075 | cxt->addr = NULL; |
| 2076 | cxt->mapping = 0; |
| 2077 | } |
| 2078 | tot_size -= cxt->size; |
| 2079 | } |
| 2080 | |
| 2081 | /* allocate vfs ramrods dma memory - client_init and set_mac */ |
| 2082 | tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp); |
| 2083 | BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping, |
| 2084 | tot_size); |
| 2085 | BP_VFDB(bp)->sp_dma.size = tot_size; |
| 2086 | |
| 2087 | /* allocate mailboxes */ |
| 2088 | tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE; |
| 2089 | BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping, |
| 2090 | tot_size); |
| 2091 | BP_VF_MBX_DMA(bp)->size = tot_size; |
| 2092 | |
Ariel Elior | abc5a02 | 2013-01-01 05:22:43 +0000 | [diff] [blame] | 2093 | /* allocate local bulletin boards */ |
| 2094 | tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE; |
| 2095 | BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr, |
| 2096 | &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size); |
| 2097 | BP_VF_BULLETIN_DMA(bp)->size = tot_size; |
| 2098 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 2099 | return 0; |
| 2100 | |
| 2101 | alloc_mem_err: |
| 2102 | return -ENOMEM; |
| 2103 | } |
| 2104 | |
Ariel Elior | 8ca5e17 | 2013-01-01 05:22:34 +0000 | [diff] [blame] | 2105 | static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 2106 | struct bnx2x_vf_queue *q) |
| 2107 | { |
| 2108 | u8 cl_id = vfq_cl_id(vf, q); |
| 2109 | u8 func_id = FW_VF_HANDLE(vf->abs_vfid); |
| 2110 | unsigned long q_type = 0; |
| 2111 | |
| 2112 | set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); |
| 2113 | set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); |
| 2114 | |
| 2115 | /* Queue State object */ |
| 2116 | bnx2x_init_queue_obj(bp, &q->sp_obj, |
| 2117 | cl_id, &q->cid, 1, func_id, |
| 2118 | bnx2x_vf_sp(bp, vf, q_data), |
| 2119 | bnx2x_vf_sp_map(bp, vf, q_data), |
| 2120 | q_type); |
| 2121 | |
| 2122 | DP(BNX2X_MSG_IOV, |
| 2123 | "initialized vf %d's queue object. func id set to %d\n", |
| 2124 | vf->abs_vfid, q->sp_obj.func_id); |
| 2125 | |
| 2126 | /* mac/vlan objects are per queue, but only those |
| 2127 | * that belong to the leading queue are initialized |
| 2128 | */ |
| 2129 | if (vfq_is_leading(q)) { |
| 2130 | /* mac */ |
| 2131 | bnx2x_init_mac_obj(bp, &q->mac_obj, |
| 2132 | cl_id, q->cid, func_id, |
| 2133 | bnx2x_vf_sp(bp, vf, mac_rdata), |
| 2134 | bnx2x_vf_sp_map(bp, vf, mac_rdata), |
| 2135 | BNX2X_FILTER_MAC_PENDING, |
| 2136 | &vf->filter_state, |
| 2137 | BNX2X_OBJ_TYPE_RX_TX, |
| 2138 | &bp->macs_pool); |
| 2139 | /* vlan */ |
| 2140 | bnx2x_init_vlan_obj(bp, &q->vlan_obj, |
| 2141 | cl_id, q->cid, func_id, |
| 2142 | bnx2x_vf_sp(bp, vf, vlan_rdata), |
| 2143 | bnx2x_vf_sp_map(bp, vf, vlan_rdata), |
| 2144 | BNX2X_FILTER_VLAN_PENDING, |
| 2145 | &vf->filter_state, |
| 2146 | BNX2X_OBJ_TYPE_RX_TX, |
| 2147 | &bp->vlans_pool); |
| 2148 | |
| 2149 | /* mcast */ |
| 2150 | bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id, |
| 2151 | q->cid, func_id, func_id, |
| 2152 | bnx2x_vf_sp(bp, vf, mcast_rdata), |
| 2153 | bnx2x_vf_sp_map(bp, vf, mcast_rdata), |
| 2154 | BNX2X_FILTER_MCAST_PENDING, |
| 2155 | &vf->filter_state, |
| 2156 | BNX2X_OBJ_TYPE_RX_TX); |
| 2157 | |
| 2158 | vf->leading_rss = cl_id; |
| 2159 | } |
| 2160 | } |
| 2161 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 2162 | /* called by bnx2x_nic_load */ |
| 2163 | int bnx2x_iov_nic_init(struct bnx2x *bp) |
| 2164 | { |
| 2165 | int vfid, qcount, i; |
| 2166 | |
| 2167 | if (!IS_SRIOV(bp)) { |
| 2168 | DP(BNX2X_MSG_IOV, "vfdb was not allocated\n"); |
| 2169 | return 0; |
| 2170 | } |
| 2171 | |
| 2172 | DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn); |
| 2173 | |
Ariel Elior | 03c22ea | 2013-06-20 17:39:10 +0300 | [diff] [blame^] | 2174 | /* let FLR complete ... */ |
| 2175 | msleep(100); |
| 2176 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 2177 | /* initialize vf database */ |
| 2178 | for_each_vf(bp, vfid) { |
| 2179 | struct bnx2x_virtf *vf = BP_VF(bp, vfid); |
| 2180 | |
| 2181 | int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) * |
| 2182 | BNX2X_CIDS_PER_VF; |
| 2183 | |
| 2184 | union cdu_context *base_cxt = (union cdu_context *) |
| 2185 | BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr + |
| 2186 | (base_vf_cid & (ILT_PAGE_CIDS-1)); |
| 2187 | |
| 2188 | DP(BNX2X_MSG_IOV, |
| 2189 | "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n", |
| 2190 | vf->abs_vfid, vf_sb_count(vf), base_vf_cid, |
| 2191 | BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt); |
| 2192 | |
| 2193 | /* init statically provisioned resources */ |
| 2194 | bnx2x_iov_static_resc(bp, &vf->alloc_resc); |
| 2195 | |
| 2196 | /* queues are initialized during VF-ACQUIRE */ |
| 2197 | |
| 2198 | /* reserve the vf vlan credit */ |
| 2199 | bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf)); |
| 2200 | |
| 2201 | vf->filter_state = 0; |
| 2202 | vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id); |
| 2203 | |
| 2204 | /* init mcast object - This object will be re-initialized |
| 2205 | * during VF-ACQUIRE with the proper cl_id and cid. |
| 2206 | * It needs to be initialized here so that it can be safely |
| 2207 | * handled by a subsequent FLR flow. |
| 2208 | */ |
| 2209 | bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF, |
| 2210 | 0xFF, 0xFF, 0xFF, |
| 2211 | bnx2x_vf_sp(bp, vf, mcast_rdata), |
| 2212 | bnx2x_vf_sp_map(bp, vf, mcast_rdata), |
| 2213 | BNX2X_FILTER_MCAST_PENDING, |
| 2214 | &vf->filter_state, |
| 2215 | BNX2X_OBJ_TYPE_RX_TX); |
| 2216 | |
| 2217 | /* set the mailbox message addresses */ |
| 2218 | BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *) |
| 2219 | (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid * |
| 2220 | MBX_MSG_ALIGNED_SIZE); |
| 2221 | |
| 2222 | BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping + |
| 2223 | vfid * MBX_MSG_ALIGNED_SIZE; |
| 2224 | |
| 2225 | /* Enable vf mailbox */ |
| 2226 | bnx2x_vf_enable_mbx(bp, vf->abs_vfid); |
| 2227 | } |
| 2228 | |
| 2229 | /* Final VF init */ |
| 2230 | qcount = 0; |
| 2231 | for_each_vf(bp, i) { |
| 2232 | struct bnx2x_virtf *vf = BP_VF(bp, i); |
| 2233 | |
| 2234 | /* fill in the BDF and bars */ |
| 2235 | vf->bus = bnx2x_vf_bus(bp, i); |
| 2236 | vf->devfn = bnx2x_vf_devfn(bp, i); |
| 2237 | bnx2x_vf_set_bars(bp, vf); |
| 2238 | |
| 2239 | DP(BNX2X_MSG_IOV, |
| 2240 | "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n", |
| 2241 | vf->abs_vfid, vf->bus, vf->devfn, |
| 2242 | (unsigned)vf->bars[0].bar, vf->bars[0].size, |
| 2243 | (unsigned)vf->bars[1].bar, vf->bars[1].size, |
| 2244 | (unsigned)vf->bars[2].bar, vf->bars[2].size); |
| 2245 | |
| 2246 | /* set local queue arrays */ |
| 2247 | vf->vfqs = &bp->vfdb->vfqs[qcount]; |
| 2248 | qcount += bnx2x_vf(bp, i, alloc_resc.num_sbs); |
| 2249 | } |
| 2250 | |
| 2251 | return 0; |
| 2252 | } |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 2253 | |
Ariel Elior | f1929b0 | 2013-01-01 05:22:41 +0000 | [diff] [blame] | 2254 | /* called by bnx2x_chip_cleanup */ |
| 2255 | int bnx2x_iov_chip_cleanup(struct bnx2x *bp) |
| 2256 | { |
| 2257 | int i; |
| 2258 | |
| 2259 | if (!IS_SRIOV(bp)) |
| 2260 | return 0; |
| 2261 | |
| 2262 | /* release all the VFs */ |
| 2263 | for_each_vf(bp, i) |
| 2264 | bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */ |
| 2265 | |
| 2266 | return 0; |
| 2267 | } |
| 2268 | |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 2269 | /* called by bnx2x_init_hw_func, returns the next ilt line */ |
| 2270 | int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line) |
| 2271 | { |
| 2272 | int i; |
| 2273 | struct bnx2x_ilt *ilt = BP_ILT(bp); |
| 2274 | |
| 2275 | if (!IS_SRIOV(bp)) |
| 2276 | return line; |
| 2277 | |
| 2278 | /* set vfs ilt lines */ |
| 2279 | for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { |
| 2280 | struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i); |
| 2281 | |
| 2282 | ilt->lines[line+i].page = hw_cxt->addr; |
| 2283 | ilt->lines[line+i].page_mapping = hw_cxt->mapping; |
| 2284 | ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */ |
| 2285 | } |
| 2286 | return line + i; |
| 2287 | } |
| 2288 | |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2289 | static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 2290 | { |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2291 | return ((cid >= BNX2X_FIRST_VF_CID) && |
| 2292 | ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS)); |
| 2293 | } |
| 2294 | |
| 2295 | static |
| 2296 | void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp, |
| 2297 | struct bnx2x_vf_queue *vfq, |
| 2298 | union event_ring_elem *elem) |
| 2299 | { |
| 2300 | unsigned long ramrod_flags = 0; |
| 2301 | int rc = 0; |
| 2302 | |
| 2303 | /* Always push next commands out, don't wait here */ |
| 2304 | set_bit(RAMROD_CONT, &ramrod_flags); |
| 2305 | |
| 2306 | switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) { |
| 2307 | case BNX2X_FILTER_MAC_PENDING: |
| 2308 | rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem, |
| 2309 | &ramrod_flags); |
| 2310 | break; |
| 2311 | case BNX2X_FILTER_VLAN_PENDING: |
| 2312 | rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem, |
| 2313 | &ramrod_flags); |
| 2314 | break; |
| 2315 | default: |
| 2316 | BNX2X_ERR("Unsupported classification command: %d\n", |
| 2317 | elem->message.data.eth_event.echo); |
| 2318 | return; |
| 2319 | } |
| 2320 | if (rc < 0) |
| 2321 | BNX2X_ERR("Failed to schedule new commands: %d\n", rc); |
| 2322 | else if (rc > 0) |
| 2323 | DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n"); |
| 2324 | } |
| 2325 | |
| 2326 | static |
| 2327 | void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp, |
| 2328 | struct bnx2x_virtf *vf) |
| 2329 | { |
| 2330 | struct bnx2x_mcast_ramrod_params rparam = {NULL}; |
| 2331 | int rc; |
| 2332 | |
| 2333 | rparam.mcast_obj = &vf->mcast_obj; |
| 2334 | vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw); |
| 2335 | |
| 2336 | /* If there are pending mcast commands - send them */ |
| 2337 | if (vf->mcast_obj.check_pending(&vf->mcast_obj)) { |
| 2338 | rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT); |
| 2339 | if (rc < 0) |
| 2340 | BNX2X_ERR("Failed to send pending mcast commands: %d\n", |
| 2341 | rc); |
| 2342 | } |
| 2343 | } |
| 2344 | |
| 2345 | static |
| 2346 | void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp, |
| 2347 | struct bnx2x_virtf *vf) |
| 2348 | { |
| 2349 | smp_mb__before_clear_bit(); |
| 2350 | clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state); |
| 2351 | smp_mb__after_clear_bit(); |
| 2352 | } |
| 2353 | |
| 2354 | int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem) |
| 2355 | { |
| 2356 | struct bnx2x_virtf *vf; |
| 2357 | int qidx = 0, abs_vfid; |
| 2358 | u8 opcode; |
| 2359 | u16 cid = 0xffff; |
| 2360 | |
| 2361 | if (!IS_SRIOV(bp)) |
| 2362 | return 1; |
| 2363 | |
| 2364 | /* first get the cid - the only events we handle here are cfc-delete |
| 2365 | * and set-mac completion |
| 2366 | */ |
| 2367 | opcode = elem->message.opcode; |
| 2368 | |
| 2369 | switch (opcode) { |
| 2370 | case EVENT_RING_OPCODE_CFC_DEL: |
| 2371 | cid = SW_CID((__force __le32) |
| 2372 | elem->message.data.cfc_del_event.cid); |
| 2373 | DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid); |
| 2374 | break; |
| 2375 | case EVENT_RING_OPCODE_CLASSIFICATION_RULES: |
| 2376 | case EVENT_RING_OPCODE_MULTICAST_RULES: |
| 2377 | case EVENT_RING_OPCODE_FILTERS_RULES: |
| 2378 | cid = (elem->message.data.eth_event.echo & |
| 2379 | BNX2X_SWCID_MASK); |
| 2380 | DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid); |
| 2381 | break; |
| 2382 | case EVENT_RING_OPCODE_VF_FLR: |
| 2383 | abs_vfid = elem->message.data.vf_flr_event.vf_id; |
| 2384 | DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n", |
| 2385 | abs_vfid); |
| 2386 | goto get_vf; |
| 2387 | case EVENT_RING_OPCODE_MALICIOUS_VF: |
| 2388 | abs_vfid = elem->message.data.malicious_vf_event.vf_id; |
Dmitry Kravkov | 1d6f3cd | 2013-03-27 01:05:17 +0000 | [diff] [blame] | 2389 | DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d err_id=0x%x\n", |
| 2390 | abs_vfid, elem->message.data.malicious_vf_event.err_id); |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2391 | goto get_vf; |
| 2392 | default: |
| 2393 | return 1; |
| 2394 | } |
| 2395 | |
| 2396 | /* check if the cid is the VF range */ |
| 2397 | if (!bnx2x_iov_is_vf_cid(bp, cid)) { |
| 2398 | DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid); |
| 2399 | return 1; |
| 2400 | } |
| 2401 | |
| 2402 | /* extract vf and rxq index from vf_cid - relies on the following: |
| 2403 | * 1. vfid on cid reflects the true abs_vfid |
Yuval Mintz | 16a5fd9 | 2013-06-02 00:06:18 +0000 | [diff] [blame] | 2404 | * 2. The max number of VFs (per path) is 64 |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2405 | */ |
| 2406 | qidx = cid & ((1 << BNX2X_VF_CID_WND)-1); |
| 2407 | abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1); |
| 2408 | get_vf: |
| 2409 | vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); |
| 2410 | |
| 2411 | if (!vf) { |
| 2412 | BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n", |
| 2413 | cid, abs_vfid); |
| 2414 | return 0; |
| 2415 | } |
| 2416 | |
| 2417 | switch (opcode) { |
| 2418 | case EVENT_RING_OPCODE_CFC_DEL: |
| 2419 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n", |
| 2420 | vf->abs_vfid, qidx); |
| 2421 | vfq_get(vf, qidx)->sp_obj.complete_cmd(bp, |
| 2422 | &vfq_get(vf, |
| 2423 | qidx)->sp_obj, |
| 2424 | BNX2X_Q_CMD_CFC_DEL); |
| 2425 | break; |
| 2426 | case EVENT_RING_OPCODE_CLASSIFICATION_RULES: |
| 2427 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n", |
| 2428 | vf->abs_vfid, qidx); |
| 2429 | bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem); |
| 2430 | break; |
| 2431 | case EVENT_RING_OPCODE_MULTICAST_RULES: |
| 2432 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n", |
| 2433 | vf->abs_vfid, qidx); |
| 2434 | bnx2x_vf_handle_mcast_eqe(bp, vf); |
| 2435 | break; |
| 2436 | case EVENT_RING_OPCODE_FILTERS_RULES: |
| 2437 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n", |
| 2438 | vf->abs_vfid, qidx); |
| 2439 | bnx2x_vf_handle_filters_eqe(bp, vf); |
| 2440 | break; |
| 2441 | case EVENT_RING_OPCODE_VF_FLR: |
| 2442 | DP(BNX2X_MSG_IOV, "got VF [%d] FLR notification\n", |
| 2443 | vf->abs_vfid); |
| 2444 | /* Do nothing for now */ |
| 2445 | break; |
| 2446 | case EVENT_RING_OPCODE_MALICIOUS_VF: |
Dmitry Kravkov | 1d6f3cd | 2013-03-27 01:05:17 +0000 | [diff] [blame] | 2447 | DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d error id %x\n", |
| 2448 | abs_vfid, elem->message.data.malicious_vf_event.err_id); |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2449 | /* Do nothing for now */ |
| 2450 | break; |
| 2451 | } |
| 2452 | /* SRIOV: reschedule any 'in_progress' operations */ |
| 2453 | bnx2x_iov_sp_event(bp, cid, false); |
| 2454 | |
| 2455 | return 0; |
| 2456 | } |
| 2457 | |
| 2458 | static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid) |
| 2459 | { |
| 2460 | /* extract the vf from vf_cid - relies on the following: |
| 2461 | * 1. vfid on cid reflects the true abs_vfid |
Yuval Mintz | 16a5fd9 | 2013-06-02 00:06:18 +0000 | [diff] [blame] | 2462 | * 2. The max number of VFs (per path) is 64 |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2463 | */ |
| 2464 | int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1); |
| 2465 | return bnx2x_vf_by_abs_fid(bp, abs_vfid); |
| 2466 | } |
| 2467 | |
| 2468 | void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid, |
| 2469 | struct bnx2x_queue_sp_obj **q_obj) |
| 2470 | { |
| 2471 | struct bnx2x_virtf *vf; |
| 2472 | |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 2473 | if (!IS_SRIOV(bp)) |
| 2474 | return; |
| 2475 | |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2476 | vf = bnx2x_vf_by_cid(bp, vf_cid); |
| 2477 | |
| 2478 | if (vf) { |
| 2479 | /* extract queue index from vf_cid - relies on the following: |
| 2480 | * 1. vfid on cid reflects the true abs_vfid |
Yuval Mintz | 16a5fd9 | 2013-06-02 00:06:18 +0000 | [diff] [blame] | 2481 | * 2. The max number of VFs (per path) is 64 |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2482 | */ |
| 2483 | int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1); |
| 2484 | *q_obj = &bnx2x_vfq(vf, q_index, sp_obj); |
| 2485 | } else { |
| 2486 | BNX2X_ERR("No vf matching cid %d\n", vf_cid); |
| 2487 | } |
| 2488 | } |
| 2489 | |
| 2490 | void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work) |
| 2491 | { |
| 2492 | struct bnx2x_virtf *vf; |
| 2493 | |
| 2494 | /* check if the cid is the VF range */ |
| 2495 | if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid)) |
| 2496 | return; |
| 2497 | |
| 2498 | vf = bnx2x_vf_by_cid(bp, vf_cid); |
| 2499 | if (vf) { |
| 2500 | /* set in_progress flag */ |
| 2501 | atomic_set(&vf->op_in_progress, 1); |
| 2502 | if (queue_work) |
| 2503 | queue_delayed_work(bnx2x_wq, &bp->sp_task, 0); |
| 2504 | } |
| 2505 | } |
| 2506 | |
Ariel Elior | 67c431a | 2013-01-01 05:22:36 +0000 | [diff] [blame] | 2507 | void bnx2x_iov_adjust_stats_req(struct bnx2x *bp) |
| 2508 | { |
| 2509 | int i; |
| 2510 | int first_queue_query_index, num_queues_req; |
| 2511 | dma_addr_t cur_data_offset; |
| 2512 | struct stats_query_entry *cur_query_entry; |
| 2513 | u8 stats_count = 0; |
| 2514 | bool is_fcoe = false; |
| 2515 | |
| 2516 | if (!IS_SRIOV(bp)) |
| 2517 | return; |
| 2518 | |
| 2519 | if (!NO_FCOE(bp)) |
| 2520 | is_fcoe = true; |
| 2521 | |
| 2522 | /* fcoe adds one global request and one queue request */ |
| 2523 | num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe; |
| 2524 | first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - |
| 2525 | (is_fcoe ? 0 : 1); |
| 2526 | |
| 2527 | DP(BNX2X_MSG_IOV, |
| 2528 | "BNX2X_NUM_ETH_QUEUES %d, is_fcoe %d, first_queue_query_index %d => determined the last non virtual statistics query index is %d. Will add queries on top of that\n", |
| 2529 | BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index, |
| 2530 | first_queue_query_index + num_queues_req); |
| 2531 | |
| 2532 | cur_data_offset = bp->fw_stats_data_mapping + |
| 2533 | offsetof(struct bnx2x_fw_stats_data, queue_stats) + |
| 2534 | num_queues_req * sizeof(struct per_queue_stats); |
| 2535 | |
| 2536 | cur_query_entry = &bp->fw_stats_req-> |
| 2537 | query[first_queue_query_index + num_queues_req]; |
| 2538 | |
| 2539 | for_each_vf(bp, i) { |
| 2540 | int j; |
| 2541 | struct bnx2x_virtf *vf = BP_VF(bp, i); |
| 2542 | |
| 2543 | if (vf->state != VF_ENABLED) { |
| 2544 | DP(BNX2X_MSG_IOV, |
| 2545 | "vf %d not enabled so no stats for it\n", |
| 2546 | vf->abs_vfid); |
| 2547 | continue; |
| 2548 | } |
| 2549 | |
| 2550 | DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid); |
| 2551 | for_each_vfq(vf, j) { |
| 2552 | struct bnx2x_vf_queue *rxq = vfq_get(vf, j); |
| 2553 | |
| 2554 | /* collect stats fro active queues only */ |
| 2555 | if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) == |
| 2556 | BNX2X_Q_LOGICAL_STATE_STOPPED) |
| 2557 | continue; |
| 2558 | |
| 2559 | /* create stats query entry for this queue */ |
| 2560 | cur_query_entry->kind = STATS_TYPE_QUEUE; |
| 2561 | cur_query_entry->index = vfq_cl_id(vf, rxq); |
| 2562 | cur_query_entry->funcID = |
| 2563 | cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid)); |
| 2564 | cur_query_entry->address.hi = |
| 2565 | cpu_to_le32(U64_HI(vf->fw_stat_map)); |
| 2566 | cur_query_entry->address.lo = |
| 2567 | cpu_to_le32(U64_LO(vf->fw_stat_map)); |
| 2568 | DP(BNX2X_MSG_IOV, |
| 2569 | "added address %x %x for vf %d queue %d client %d\n", |
| 2570 | cur_query_entry->address.hi, |
| 2571 | cur_query_entry->address.lo, cur_query_entry->funcID, |
| 2572 | j, cur_query_entry->index); |
| 2573 | cur_query_entry++; |
| 2574 | cur_data_offset += sizeof(struct per_queue_stats); |
| 2575 | stats_count++; |
| 2576 | } |
| 2577 | } |
| 2578 | bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count; |
| 2579 | } |
| 2580 | |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2581 | void bnx2x_iov_sp_task(struct bnx2x *bp) |
| 2582 | { |
| 2583 | int i; |
| 2584 | |
| 2585 | if (!IS_SRIOV(bp)) |
| 2586 | return; |
| 2587 | /* Iterate over all VFs and invoke state transition for VFs with |
| 2588 | * 'in-progress' slow-path operations |
| 2589 | */ |
| 2590 | DP(BNX2X_MSG_IOV, "searching for pending vf operations\n"); |
| 2591 | for_each_vf(bp, i) { |
| 2592 | struct bnx2x_virtf *vf = BP_VF(bp, i); |
| 2593 | |
| 2594 | if (!list_empty(&vf->op_list_head) && |
| 2595 | atomic_read(&vf->op_in_progress)) { |
| 2596 | DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i); |
| 2597 | bnx2x_vfop_cur(bp, vf)->transition(bp, vf); |
| 2598 | } |
| 2599 | } |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 2600 | } |
Ariel Elior | 67c431a | 2013-01-01 05:22:36 +0000 | [diff] [blame] | 2601 | |
| 2602 | static inline |
| 2603 | struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id) |
| 2604 | { |
| 2605 | int i; |
| 2606 | struct bnx2x_virtf *vf = NULL; |
| 2607 | |
| 2608 | for_each_vf(bp, i) { |
| 2609 | vf = BP_VF(bp, i); |
| 2610 | if (stat_id >= vf->igu_base_id && |
| 2611 | stat_id < vf->igu_base_id + vf_sb_count(vf)) |
| 2612 | break; |
| 2613 | } |
| 2614 | return vf; |
| 2615 | } |
| 2616 | |
| 2617 | /* VF API helpers */ |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 2618 | static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid, |
| 2619 | u8 enable) |
| 2620 | { |
| 2621 | u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4; |
| 2622 | u32 val = enable ? (abs_vfid | (1 << 6)) : 0; |
| 2623 | |
| 2624 | REG_WR(bp, reg, val); |
| 2625 | } |
Ariel Elior | 8ca5e17 | 2013-01-01 05:22:34 +0000 | [diff] [blame] | 2626 | |
Ariel Elior | 99e9d21 | 2013-01-01 05:22:40 +0000 | [diff] [blame] | 2627 | static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 2628 | { |
| 2629 | int i; |
| 2630 | |
| 2631 | for_each_vfq(vf, i) |
| 2632 | bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid, |
| 2633 | vfq_qzone_id(vf, vfq_get(vf, i)), false); |
| 2634 | } |
| 2635 | |
| 2636 | static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 2637 | { |
| 2638 | u32 val; |
| 2639 | |
| 2640 | /* clear the VF configuration - pretend */ |
| 2641 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); |
| 2642 | val = REG_RD(bp, IGU_REG_VF_CONFIGURATION); |
| 2643 | val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN | |
| 2644 | IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK); |
| 2645 | REG_WR(bp, IGU_REG_VF_CONFIGURATION, val); |
| 2646 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| 2647 | } |
| 2648 | |
Ariel Elior | 8ca5e17 | 2013-01-01 05:22:34 +0000 | [diff] [blame] | 2649 | u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 2650 | { |
| 2651 | return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF), |
| 2652 | BNX2X_VF_MAX_QUEUES); |
| 2653 | } |
| 2654 | |
| 2655 | static |
| 2656 | int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 2657 | struct vf_pf_resc_request *req_resc) |
| 2658 | { |
| 2659 | u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf); |
| 2660 | u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf); |
| 2661 | |
| 2662 | return ((req_resc->num_rxqs <= rxq_cnt) && |
| 2663 | (req_resc->num_txqs <= txq_cnt) && |
| 2664 | (req_resc->num_sbs <= vf_sb_count(vf)) && |
| 2665 | (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) && |
| 2666 | (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf))); |
| 2667 | } |
| 2668 | |
| 2669 | /* CORE VF API */ |
| 2670 | int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 2671 | struct vf_pf_resc_request *resc) |
| 2672 | { |
| 2673 | int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) * |
| 2674 | BNX2X_CIDS_PER_VF; |
| 2675 | |
| 2676 | union cdu_context *base_cxt = (union cdu_context *) |
| 2677 | BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr + |
| 2678 | (base_vf_cid & (ILT_PAGE_CIDS-1)); |
| 2679 | int i; |
| 2680 | |
| 2681 | /* if state is 'acquired' the VF was not released or FLR'd, in |
| 2682 | * this case the returned resources match the acquired already |
| 2683 | * acquired resources. Verify that the requested numbers do |
| 2684 | * not exceed the already acquired numbers. |
| 2685 | */ |
| 2686 | if (vf->state == VF_ACQUIRED) { |
| 2687 | DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n", |
| 2688 | vf->abs_vfid); |
| 2689 | |
| 2690 | if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) { |
| 2691 | BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n", |
| 2692 | vf->abs_vfid); |
| 2693 | return -EINVAL; |
| 2694 | } |
| 2695 | return 0; |
| 2696 | } |
| 2697 | |
| 2698 | /* Otherwise vf state must be 'free' or 'reset' */ |
| 2699 | if (vf->state != VF_FREE && vf->state != VF_RESET) { |
| 2700 | BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n", |
| 2701 | vf->abs_vfid, vf->state); |
| 2702 | return -EINVAL; |
| 2703 | } |
| 2704 | |
| 2705 | /* static allocation: |
Yuval Mintz | 16a5fd9 | 2013-06-02 00:06:18 +0000 | [diff] [blame] | 2706 | * the global maximum number are fixed per VF. Fail the request if |
Ariel Elior | 8ca5e17 | 2013-01-01 05:22:34 +0000 | [diff] [blame] | 2707 | * requested number exceed these globals |
| 2708 | */ |
| 2709 | if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) { |
| 2710 | DP(BNX2X_MSG_IOV, |
| 2711 | "cannot fulfill vf resource request. Placing maximal available values in response\n"); |
| 2712 | /* set the max resource in the vf */ |
| 2713 | return -ENOMEM; |
| 2714 | } |
| 2715 | |
| 2716 | /* Set resources counters - 0 request means max available */ |
| 2717 | vf_sb_count(vf) = resc->num_sbs; |
| 2718 | vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf); |
| 2719 | vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf); |
| 2720 | if (resc->num_mac_filters) |
| 2721 | vf_mac_rules_cnt(vf) = resc->num_mac_filters; |
| 2722 | if (resc->num_vlan_filters) |
| 2723 | vf_vlan_rules_cnt(vf) = resc->num_vlan_filters; |
| 2724 | |
| 2725 | DP(BNX2X_MSG_IOV, |
| 2726 | "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n", |
| 2727 | vf_sb_count(vf), vf_rxq_count(vf), |
| 2728 | vf_txq_count(vf), vf_mac_rules_cnt(vf), |
| 2729 | vf_vlan_rules_cnt(vf)); |
| 2730 | |
| 2731 | /* Initialize the queues */ |
| 2732 | if (!vf->vfqs) { |
| 2733 | DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n"); |
| 2734 | return -EINVAL; |
| 2735 | } |
| 2736 | |
| 2737 | for_each_vfq(vf, i) { |
| 2738 | struct bnx2x_vf_queue *q = vfq_get(vf, i); |
| 2739 | |
| 2740 | if (!q) { |
| 2741 | DP(BNX2X_MSG_IOV, "q number %d was not allocated\n", i); |
| 2742 | return -EINVAL; |
| 2743 | } |
| 2744 | |
| 2745 | q->index = i; |
| 2746 | q->cxt = &((base_cxt + i)->eth); |
| 2747 | q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i; |
| 2748 | |
| 2749 | DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n", |
| 2750 | vf->abs_vfid, i, q->index, q->cid, q->cxt); |
| 2751 | |
| 2752 | /* init SP objects */ |
| 2753 | bnx2x_vfq_init(bp, vf, q); |
| 2754 | } |
| 2755 | vf->state = VF_ACQUIRED; |
| 2756 | return 0; |
| 2757 | } |
| 2758 | |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 2759 | int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map) |
| 2760 | { |
| 2761 | struct bnx2x_func_init_params func_init = {0}; |
| 2762 | u16 flags = 0; |
| 2763 | int i; |
| 2764 | |
| 2765 | /* the sb resources are initialized at this point, do the |
| 2766 | * FW/HW initializations |
| 2767 | */ |
| 2768 | for_each_vf_sb(vf, i) |
| 2769 | bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true, |
| 2770 | vf_igu_sb(vf, i), vf_igu_sb(vf, i)); |
| 2771 | |
| 2772 | /* Sanity checks */ |
| 2773 | if (vf->state != VF_ACQUIRED) { |
| 2774 | DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n", |
| 2775 | vf->abs_vfid, vf->state); |
| 2776 | return -EINVAL; |
| 2777 | } |
Ariel Elior | 03c22ea | 2013-06-20 17:39:10 +0300 | [diff] [blame^] | 2778 | |
| 2779 | /* let FLR complete ... */ |
| 2780 | msleep(100); |
| 2781 | |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 2782 | /* FLR cleanup epilogue */ |
| 2783 | if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid)) |
| 2784 | return -EBUSY; |
| 2785 | |
| 2786 | /* reset IGU VF statistics: MSIX */ |
| 2787 | REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0); |
| 2788 | |
| 2789 | /* vf init */ |
| 2790 | if (vf->cfg_flags & VF_CFG_STATS) |
| 2791 | flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ); |
| 2792 | |
| 2793 | if (vf->cfg_flags & VF_CFG_TPA) |
| 2794 | flags |= FUNC_FLG_TPA; |
| 2795 | |
| 2796 | if (is_vf_multi(vf)) |
| 2797 | flags |= FUNC_FLG_RSS; |
| 2798 | |
| 2799 | /* function setup */ |
| 2800 | func_init.func_flgs = flags; |
| 2801 | func_init.pf_id = BP_FUNC(bp); |
| 2802 | func_init.func_id = FW_VF_HANDLE(vf->abs_vfid); |
| 2803 | func_init.fw_stat_map = vf->fw_stat_map; |
| 2804 | func_init.spq_map = vf->spq_map; |
| 2805 | func_init.spq_prod = 0; |
| 2806 | bnx2x_func_init(bp, &func_init); |
| 2807 | |
| 2808 | /* Enable the vf */ |
| 2809 | bnx2x_vf_enable_access(bp, vf->abs_vfid); |
| 2810 | bnx2x_vf_enable_traffic(bp, vf); |
| 2811 | |
| 2812 | /* queue protection table */ |
| 2813 | for_each_vfq(vf, i) |
| 2814 | bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid, |
| 2815 | vfq_qzone_id(vf, vfq_get(vf, i)), true); |
| 2816 | |
| 2817 | vf->state = VF_ENABLED; |
| 2818 | |
Ariel Elior | abc5a02 | 2013-01-01 05:22:43 +0000 | [diff] [blame] | 2819 | /* update vf bulletin board */ |
| 2820 | bnx2x_post_vf_bulletin(bp, vf->index); |
| 2821 | |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 2822 | return 0; |
| 2823 | } |
| 2824 | |
Ariel Elior | 99e9d21 | 2013-01-01 05:22:40 +0000 | [diff] [blame] | 2825 | /* VFOP close (teardown the queues, delete mcasts and close HW) */ |
| 2826 | static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 2827 | { |
| 2828 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 2829 | struct bnx2x_vfop_args_qx *qx = &vfop->args.qx; |
| 2830 | enum bnx2x_vfop_close_state state = vfop->state; |
| 2831 | struct bnx2x_vfop_cmd cmd = { |
| 2832 | .done = bnx2x_vfop_close, |
| 2833 | .block = false, |
| 2834 | }; |
| 2835 | |
| 2836 | if (vfop->rc < 0) |
| 2837 | goto op_err; |
| 2838 | |
| 2839 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 2840 | |
| 2841 | switch (state) { |
| 2842 | case BNX2X_VFOP_CLOSE_QUEUES: |
| 2843 | |
| 2844 | if (++(qx->qid) < vf_rxq_count(vf)) { |
| 2845 | vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid); |
| 2846 | if (vfop->rc) |
| 2847 | goto op_err; |
| 2848 | return; |
| 2849 | } |
| 2850 | |
| 2851 | /* remove multicasts */ |
| 2852 | vfop->state = BNX2X_VFOP_CLOSE_HW; |
| 2853 | vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false); |
| 2854 | if (vfop->rc) |
| 2855 | goto op_err; |
| 2856 | return; |
| 2857 | |
| 2858 | case BNX2X_VFOP_CLOSE_HW: |
| 2859 | |
| 2860 | /* disable the interrupts */ |
| 2861 | DP(BNX2X_MSG_IOV, "disabling igu\n"); |
| 2862 | bnx2x_vf_igu_disable(bp, vf); |
| 2863 | |
| 2864 | /* disable the VF */ |
| 2865 | DP(BNX2X_MSG_IOV, "clearing qtbl\n"); |
| 2866 | bnx2x_vf_clr_qtbl(bp, vf); |
| 2867 | |
| 2868 | goto op_done; |
| 2869 | default: |
| 2870 | bnx2x_vfop_default(state); |
| 2871 | } |
| 2872 | op_err: |
| 2873 | BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc); |
| 2874 | op_done: |
| 2875 | vf->state = VF_ACQUIRED; |
| 2876 | DP(BNX2X_MSG_IOV, "set state to acquired\n"); |
| 2877 | bnx2x_vfop_end(bp, vf, vfop); |
| 2878 | } |
| 2879 | |
| 2880 | int bnx2x_vfop_close_cmd(struct bnx2x *bp, |
| 2881 | struct bnx2x_virtf *vf, |
| 2882 | struct bnx2x_vfop_cmd *cmd) |
| 2883 | { |
| 2884 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 2885 | if (vfop) { |
| 2886 | vfop->args.qx.qid = -1; /* loop */ |
| 2887 | bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES, |
| 2888 | bnx2x_vfop_close, cmd->done); |
| 2889 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close, |
| 2890 | cmd->block); |
| 2891 | } |
| 2892 | return -ENOMEM; |
| 2893 | } |
| 2894 | |
Yuval Mintz | 16a5fd9 | 2013-06-02 00:06:18 +0000 | [diff] [blame] | 2895 | /* VF release can be called either: 1. The VF was acquired but |
Ariel Elior | f1929b0 | 2013-01-01 05:22:41 +0000 | [diff] [blame] | 2896 | * not enabled 2. the vf was enabled or in the process of being |
| 2897 | * enabled |
| 2898 | */ |
| 2899 | static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 2900 | { |
| 2901 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 2902 | struct bnx2x_vfop_cmd cmd = { |
| 2903 | .done = bnx2x_vfop_release, |
| 2904 | .block = false, |
| 2905 | }; |
| 2906 | |
| 2907 | DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc); |
| 2908 | |
| 2909 | if (vfop->rc < 0) |
| 2910 | goto op_err; |
| 2911 | |
| 2912 | DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid, |
| 2913 | vf->state == VF_FREE ? "Free" : |
| 2914 | vf->state == VF_ACQUIRED ? "Acquired" : |
| 2915 | vf->state == VF_ENABLED ? "Enabled" : |
| 2916 | vf->state == VF_RESET ? "Reset" : |
| 2917 | "Unknown"); |
| 2918 | |
| 2919 | switch (vf->state) { |
| 2920 | case VF_ENABLED: |
| 2921 | vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd); |
| 2922 | if (vfop->rc) |
| 2923 | goto op_err; |
| 2924 | return; |
| 2925 | |
| 2926 | case VF_ACQUIRED: |
| 2927 | DP(BNX2X_MSG_IOV, "about to free resources\n"); |
| 2928 | bnx2x_vf_free_resc(bp, vf); |
| 2929 | DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc); |
| 2930 | goto op_done; |
| 2931 | |
| 2932 | case VF_FREE: |
| 2933 | case VF_RESET: |
| 2934 | /* do nothing */ |
| 2935 | goto op_done; |
| 2936 | default: |
| 2937 | bnx2x_vfop_default(vf->state); |
| 2938 | } |
| 2939 | op_err: |
| 2940 | BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc); |
| 2941 | op_done: |
| 2942 | bnx2x_vfop_end(bp, vf, vfop); |
| 2943 | } |
| 2944 | |
| 2945 | int bnx2x_vfop_release_cmd(struct bnx2x *bp, |
| 2946 | struct bnx2x_virtf *vf, |
| 2947 | struct bnx2x_vfop_cmd *cmd) |
| 2948 | { |
| 2949 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 2950 | if (vfop) { |
| 2951 | bnx2x_vfop_opset(-1, /* use vf->state */ |
| 2952 | bnx2x_vfop_release, cmd->done); |
| 2953 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release, |
| 2954 | cmd->block); |
| 2955 | } |
| 2956 | return -ENOMEM; |
| 2957 | } |
| 2958 | |
| 2959 | /* VF release ~ VF close + VF release-resources |
| 2960 | * Release is the ultimate SW shutdown and is called whenever an |
| 2961 | * irrecoverable error is encountered. |
| 2962 | */ |
| 2963 | void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block) |
| 2964 | { |
| 2965 | struct bnx2x_vfop_cmd cmd = { |
| 2966 | .done = NULL, |
| 2967 | .block = block, |
| 2968 | }; |
| 2969 | int rc; |
| 2970 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF); |
| 2971 | |
| 2972 | rc = bnx2x_vfop_release_cmd(bp, vf, &cmd); |
| 2973 | if (rc) |
| 2974 | WARN(rc, |
| 2975 | "VF[%d] Failed to allocate resources for release op- rc=%d\n", |
| 2976 | vf->abs_vfid, rc); |
| 2977 | } |
| 2978 | |
| 2979 | static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp, |
| 2980 | struct bnx2x_virtf *vf, u32 *sbdf) |
| 2981 | { |
| 2982 | *sbdf = vf->devfn | (vf->bus << 8); |
| 2983 | } |
| 2984 | |
| 2985 | static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 2986 | struct bnx2x_vf_bar_info *bar_info) |
| 2987 | { |
| 2988 | int n; |
| 2989 | |
| 2990 | bar_info->nr_bars = bp->vfdb->sriov.nres; |
| 2991 | for (n = 0; n < bar_info->nr_bars; n++) |
| 2992 | bar_info->bars[n] = vf->bars[n]; |
| 2993 | } |
| 2994 | |
Ariel Elior | 8ca5e17 | 2013-01-01 05:22:34 +0000 | [diff] [blame] | 2995 | void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 2996 | enum channel_tlvs tlv) |
| 2997 | { |
| 2998 | /* lock the channel */ |
| 2999 | mutex_lock(&vf->op_mutex); |
| 3000 | |
| 3001 | /* record the locking op */ |
| 3002 | vf->op_current = tlv; |
| 3003 | |
| 3004 | /* log the lock */ |
| 3005 | DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n", |
| 3006 | vf->abs_vfid, tlv); |
| 3007 | } |
| 3008 | |
| 3009 | void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 3010 | enum channel_tlvs expected_tlv) |
| 3011 | { |
| 3012 | WARN(expected_tlv != vf->op_current, |
| 3013 | "lock mismatch: expected %d found %d", expected_tlv, |
| 3014 | vf->op_current); |
| 3015 | |
| 3016 | /* lock the channel */ |
| 3017 | mutex_unlock(&vf->op_mutex); |
| 3018 | |
| 3019 | /* log the unlock */ |
| 3020 | DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n", |
| 3021 | vf->abs_vfid, vf->op_current); |
| 3022 | |
| 3023 | /* record the locking op */ |
| 3024 | vf->op_current = CHANNEL_TLV_NONE; |
| 3025 | } |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3026 | |
Ariel Elior | 3c76fef | 2013-03-11 05:17:46 +0000 | [diff] [blame] | 3027 | int bnx2x_sriov_configure(struct pci_dev *dev, int num_vfs_param) |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3028 | { |
Ariel Elior | 3c76fef | 2013-03-11 05:17:46 +0000 | [diff] [blame] | 3029 | struct bnx2x *bp = netdev_priv(pci_get_drvdata(dev)); |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3030 | |
Ariel Elior | 3c76fef | 2013-03-11 05:17:46 +0000 | [diff] [blame] | 3031 | DP(BNX2X_MSG_IOV, "bnx2x_sriov_configure called with %d, BNX2X_NR_VIRTFN(bp) was %d\n", |
| 3032 | num_vfs_param, BNX2X_NR_VIRTFN(bp)); |
| 3033 | |
| 3034 | /* HW channel is only operational when PF is up */ |
| 3035 | if (bp->state != BNX2X_STATE_OPEN) { |
Yuval Mintz | 6bf07b8 | 2013-06-02 00:06:20 +0000 | [diff] [blame] | 3036 | BNX2X_ERR("VF num configuration via sysfs not supported while PF is down\n"); |
Ariel Elior | 3c76fef | 2013-03-11 05:17:46 +0000 | [diff] [blame] | 3037 | return -EINVAL; |
| 3038 | } |
| 3039 | |
| 3040 | /* we are always bound by the total_vfs in the configuration space */ |
| 3041 | if (num_vfs_param > BNX2X_NR_VIRTFN(bp)) { |
| 3042 | BNX2X_ERR("truncating requested number of VFs (%d) down to maximum allowed (%d)\n", |
| 3043 | num_vfs_param, BNX2X_NR_VIRTFN(bp)); |
| 3044 | num_vfs_param = BNX2X_NR_VIRTFN(bp); |
| 3045 | } |
| 3046 | |
| 3047 | bp->requested_nr_virtfn = num_vfs_param; |
| 3048 | if (num_vfs_param == 0) { |
| 3049 | pci_disable_sriov(dev); |
| 3050 | return 0; |
| 3051 | } else { |
| 3052 | return bnx2x_enable_sriov(bp); |
| 3053 | } |
| 3054 | } |
| 3055 | |
| 3056 | int bnx2x_enable_sriov(struct bnx2x *bp) |
| 3057 | { |
| 3058 | int rc = 0, req_vfs = bp->requested_nr_virtfn; |
| 3059 | |
| 3060 | rc = pci_enable_sriov(bp->pdev, req_vfs); |
| 3061 | if (rc) { |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3062 | BNX2X_ERR("pci_enable_sriov failed with %d\n", rc); |
Ariel Elior | 3c76fef | 2013-03-11 05:17:46 +0000 | [diff] [blame] | 3063 | return rc; |
| 3064 | } |
| 3065 | DP(BNX2X_MSG_IOV, "sriov enabled (%d vfs)\n", req_vfs); |
| 3066 | return req_vfs; |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3067 | } |
| 3068 | |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3069 | void bnx2x_pf_set_vfs_vlan(struct bnx2x *bp) |
| 3070 | { |
| 3071 | int vfidx; |
| 3072 | struct pf_vf_bulletin_content *bulletin; |
| 3073 | |
| 3074 | DP(BNX2X_MSG_IOV, "configuring vlan for VFs from sp-task\n"); |
| 3075 | for_each_vf(bp, vfidx) { |
| 3076 | bulletin = BP_VF_BULLETIN(bp, vfidx); |
| 3077 | if (BP_VF(bp, vfidx)->cfg_flags & VF_CFG_VLAN) |
| 3078 | bnx2x_set_vf_vlan(bp->dev, vfidx, bulletin->vlan, 0); |
| 3079 | } |
| 3080 | } |
| 3081 | |
Ariel Elior | 3c76fef | 2013-03-11 05:17:46 +0000 | [diff] [blame] | 3082 | void bnx2x_disable_sriov(struct bnx2x *bp) |
| 3083 | { |
| 3084 | pci_disable_sriov(bp->pdev); |
| 3085 | } |
| 3086 | |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3087 | static int bnx2x_vf_ndo_sanity(struct bnx2x *bp, int vfidx, |
| 3088 | struct bnx2x_virtf *vf) |
| 3089 | { |
Ariel Elior | af902ae | 2013-06-20 17:39:09 +0300 | [diff] [blame] | 3090 | if (bp->state != BNX2X_STATE_OPEN) { |
| 3091 | BNX2X_ERR("vf ndo called though PF is down\n"); |
| 3092 | return -EINVAL; |
| 3093 | } |
| 3094 | |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3095 | if (!IS_SRIOV(bp)) { |
| 3096 | BNX2X_ERR("vf ndo called though sriov is disabled\n"); |
| 3097 | return -EINVAL; |
| 3098 | } |
| 3099 | |
| 3100 | if (vfidx >= BNX2X_NR_VIRTFN(bp)) { |
| 3101 | BNX2X_ERR("vf ndo called for uninitialized VF. vfidx was %d BNX2X_NR_VIRTFN was %d\n", |
| 3102 | vfidx, BNX2X_NR_VIRTFN(bp)); |
| 3103 | return -EINVAL; |
| 3104 | } |
| 3105 | |
| 3106 | if (!vf) { |
| 3107 | BNX2X_ERR("vf ndo called but vf was null. vfidx was %d\n", |
| 3108 | vfidx); |
| 3109 | return -EINVAL; |
| 3110 | } |
| 3111 | |
| 3112 | return 0; |
| 3113 | } |
| 3114 | |
| 3115 | int bnx2x_get_vf_config(struct net_device *dev, int vfidx, |
| 3116 | struct ifla_vf_info *ivi) |
| 3117 | { |
| 3118 | struct bnx2x *bp = netdev_priv(dev); |
| 3119 | struct bnx2x_virtf *vf = BP_VF(bp, vfidx); |
| 3120 | struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj); |
| 3121 | struct bnx2x_vlan_mac_obj *vlan_obj = &bnx2x_vfq(vf, 0, vlan_obj); |
| 3122 | struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx); |
| 3123 | int rc; |
| 3124 | |
| 3125 | /* sanity */ |
| 3126 | rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf); |
| 3127 | if (rc) |
| 3128 | return rc; |
Ariel Elior | 3c76fef | 2013-03-11 05:17:46 +0000 | [diff] [blame] | 3129 | if (!mac_obj || !vlan_obj || !bulletin) { |
| 3130 | BNX2X_ERR("VF partially initialized\n"); |
| 3131 | return -EINVAL; |
| 3132 | } |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3133 | |
| 3134 | ivi->vf = vfidx; |
| 3135 | ivi->qos = 0; |
| 3136 | ivi->tx_rate = 10000; /* always 10G. TBA take from link struct */ |
| 3137 | ivi->spoofchk = 1; /*always enabled */ |
| 3138 | if (vf->state == VF_ENABLED) { |
| 3139 | /* mac and vlan are in vlan_mac objects */ |
| 3140 | mac_obj->get_n_elements(bp, mac_obj, 1, (u8 *)&ivi->mac, |
| 3141 | 0, ETH_ALEN); |
| 3142 | vlan_obj->get_n_elements(bp, vlan_obj, 1, (u8 *)&ivi->vlan, |
| 3143 | 0, VLAN_HLEN); |
| 3144 | } else { |
| 3145 | /* mac */ |
| 3146 | if (bulletin->valid_bitmap & (1 << MAC_ADDR_VALID)) |
| 3147 | /* mac configured by ndo so its in bulletin board */ |
| 3148 | memcpy(&ivi->mac, bulletin->mac, ETH_ALEN); |
| 3149 | else |
Yuval Mintz | 16a5fd9 | 2013-06-02 00:06:18 +0000 | [diff] [blame] | 3150 | /* function has not been loaded yet. Show mac as 0s */ |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3151 | memset(&ivi->mac, 0, ETH_ALEN); |
| 3152 | |
| 3153 | /* vlan */ |
| 3154 | if (bulletin->valid_bitmap & (1 << VLAN_VALID)) |
| 3155 | /* vlan configured by ndo so its in bulletin board */ |
| 3156 | memcpy(&ivi->vlan, &bulletin->vlan, VLAN_HLEN); |
| 3157 | else |
Yuval Mintz | 16a5fd9 | 2013-06-02 00:06:18 +0000 | [diff] [blame] | 3158 | /* function has not been loaded yet. Show vlans as 0s */ |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3159 | memset(&ivi->vlan, 0, VLAN_HLEN); |
| 3160 | } |
| 3161 | |
| 3162 | return 0; |
| 3163 | } |
| 3164 | |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3165 | /* New mac for VF. Consider these cases: |
| 3166 | * 1. VF hasn't been acquired yet - save the mac in local bulletin board and |
| 3167 | * supply at acquire. |
| 3168 | * 2. VF has already been acquired but has not yet initialized - store in local |
| 3169 | * bulletin board. mac will be posted on VF bulletin board after VF init. VF |
| 3170 | * will configure this mac when it is ready. |
| 3171 | * 3. VF has already initialized but has not yet setup a queue - post the new |
| 3172 | * mac on VF's bulletin board right now. VF will configure this mac when it |
| 3173 | * is ready. |
| 3174 | * 4. VF has already set a queue - delete any macs already configured for this |
| 3175 | * queue and manually config the new mac. |
| 3176 | * In any event, once this function has been called refuse any attempts by the |
| 3177 | * VF to configure any mac for itself except for this mac. In case of a race |
| 3178 | * where the VF fails to see the new post on its bulletin board before sending a |
| 3179 | * mac configuration request, the PF will simply fail the request and VF can try |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3180 | * again after consulting its bulletin board. |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3181 | */ |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3182 | int bnx2x_set_vf_mac(struct net_device *dev, int vfidx, u8 *mac) |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3183 | { |
| 3184 | struct bnx2x *bp = netdev_priv(dev); |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3185 | int rc, q_logical_state; |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3186 | struct bnx2x_virtf *vf = BP_VF(bp, vfidx); |
| 3187 | struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx); |
| 3188 | |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3189 | /* sanity */ |
| 3190 | rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf); |
| 3191 | if (rc) |
| 3192 | return rc; |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3193 | if (!is_valid_ether_addr(mac)) { |
| 3194 | BNX2X_ERR("mac address invalid\n"); |
| 3195 | return -EINVAL; |
| 3196 | } |
| 3197 | |
Yuval Mintz | 16a5fd9 | 2013-06-02 00:06:18 +0000 | [diff] [blame] | 3198 | /* update PF's copy of the VF's bulletin. Will no longer accept mac |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3199 | * configuration requests from vf unless match this mac |
| 3200 | */ |
| 3201 | bulletin->valid_bitmap |= 1 << MAC_ADDR_VALID; |
| 3202 | memcpy(bulletin->mac, mac, ETH_ALEN); |
| 3203 | |
| 3204 | /* Post update on VF's bulletin board */ |
| 3205 | rc = bnx2x_post_vf_bulletin(bp, vfidx); |
| 3206 | if (rc) { |
| 3207 | BNX2X_ERR("failed to update VF[%d] bulletin\n", vfidx); |
| 3208 | return rc; |
| 3209 | } |
| 3210 | |
| 3211 | /* is vf initialized and queue set up? */ |
| 3212 | q_logical_state = |
| 3213 | bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj)); |
| 3214 | if (vf->state == VF_ENABLED && |
| 3215 | q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) { |
| 3216 | /* configure the mac in device on this vf's queue */ |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3217 | unsigned long ramrod_flags = 0; |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3218 | struct bnx2x_vlan_mac_obj *mac_obj = &bnx2x_vfq(vf, 0, mac_obj); |
| 3219 | |
| 3220 | /* must lock vfpf channel to protect against vf flows */ |
| 3221 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC); |
| 3222 | |
| 3223 | /* remove existing eth macs */ |
| 3224 | rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_ETH_MAC, true); |
| 3225 | if (rc) { |
| 3226 | BNX2X_ERR("failed to delete eth macs\n"); |
| 3227 | return -EINVAL; |
| 3228 | } |
| 3229 | |
| 3230 | /* remove existing uc list macs */ |
| 3231 | rc = bnx2x_del_all_macs(bp, mac_obj, BNX2X_UC_LIST_MAC, true); |
| 3232 | if (rc) { |
| 3233 | BNX2X_ERR("failed to delete uc_list macs\n"); |
| 3234 | return -EINVAL; |
| 3235 | } |
| 3236 | |
| 3237 | /* configure the new mac to device */ |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3238 | __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3239 | bnx2x_set_mac_one(bp, (u8 *)&bulletin->mac, mac_obj, true, |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3240 | BNX2X_ETH_MAC, &ramrod_flags); |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3241 | |
| 3242 | bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_MAC); |
| 3243 | } |
| 3244 | |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3245 | return 0; |
| 3246 | } |
| 3247 | |
| 3248 | int bnx2x_set_vf_vlan(struct net_device *dev, int vfidx, u16 vlan, u8 qos) |
| 3249 | { |
| 3250 | struct bnx2x *bp = netdev_priv(dev); |
| 3251 | int rc, q_logical_state; |
| 3252 | struct bnx2x_virtf *vf = BP_VF(bp, vfidx); |
| 3253 | struct pf_vf_bulletin_content *bulletin = BP_VF_BULLETIN(bp, vfidx); |
| 3254 | |
| 3255 | /* sanity */ |
| 3256 | rc = bnx2x_vf_ndo_sanity(bp, vfidx, vf); |
| 3257 | if (rc) |
| 3258 | return rc; |
| 3259 | |
| 3260 | if (vlan > 4095) { |
| 3261 | BNX2X_ERR("illegal vlan value %d\n", vlan); |
| 3262 | return -EINVAL; |
| 3263 | } |
| 3264 | |
| 3265 | DP(BNX2X_MSG_IOV, "configuring VF %d with VLAN %d qos %d\n", |
| 3266 | vfidx, vlan, 0); |
| 3267 | |
| 3268 | /* update PF's copy of the VF's bulletin. No point in posting the vlan |
| 3269 | * to the VF since it doesn't have anything to do with it. But it useful |
| 3270 | * to store it here in case the VF is not up yet and we can only |
| 3271 | * configure the vlan later when it does. |
| 3272 | */ |
| 3273 | bulletin->valid_bitmap |= 1 << VLAN_VALID; |
| 3274 | bulletin->vlan = vlan; |
| 3275 | |
| 3276 | /* is vf initialized and queue set up? */ |
| 3277 | q_logical_state = |
| 3278 | bnx2x_get_q_logical_state(bp, &bnx2x_vfq(vf, 0, sp_obj)); |
| 3279 | if (vf->state == VF_ENABLED && |
| 3280 | q_logical_state == BNX2X_Q_LOGICAL_STATE_ACTIVE) { |
| 3281 | /* configure the vlan in device on this vf's queue */ |
| 3282 | unsigned long ramrod_flags = 0; |
| 3283 | unsigned long vlan_mac_flags = 0; |
| 3284 | struct bnx2x_vlan_mac_obj *vlan_obj = |
| 3285 | &bnx2x_vfq(vf, 0, vlan_obj); |
| 3286 | struct bnx2x_vlan_mac_ramrod_params ramrod_param; |
| 3287 | struct bnx2x_queue_state_params q_params = {NULL}; |
| 3288 | struct bnx2x_queue_update_params *update_params; |
| 3289 | |
| 3290 | memset(&ramrod_param, 0, sizeof(ramrod_param)); |
| 3291 | |
| 3292 | /* must lock vfpf channel to protect against vf flows */ |
| 3293 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN); |
| 3294 | |
| 3295 | /* remove existing vlans */ |
| 3296 | __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); |
| 3297 | rc = vlan_obj->delete_all(bp, vlan_obj, &vlan_mac_flags, |
| 3298 | &ramrod_flags); |
| 3299 | if (rc) { |
| 3300 | BNX2X_ERR("failed to delete vlans\n"); |
| 3301 | return -EINVAL; |
| 3302 | } |
| 3303 | |
| 3304 | /* send queue update ramrod to configure default vlan and silent |
| 3305 | * vlan removal |
| 3306 | */ |
| 3307 | __set_bit(RAMROD_COMP_WAIT, &q_params.ramrod_flags); |
| 3308 | q_params.cmd = BNX2X_Q_CMD_UPDATE; |
| 3309 | q_params.q_obj = &bnx2x_vfq(vf, 0, sp_obj); |
| 3310 | update_params = &q_params.params.update; |
| 3311 | __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN_CHNG, |
| 3312 | &update_params->update_flags); |
| 3313 | __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM_CHNG, |
| 3314 | &update_params->update_flags); |
| 3315 | |
| 3316 | if (vlan == 0) { |
| 3317 | /* if vlan is 0 then we want to leave the VF traffic |
| 3318 | * untagged, and leave the incoming traffic untouched |
| 3319 | * (i.e. do not remove any vlan tags). |
| 3320 | */ |
| 3321 | __clear_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, |
| 3322 | &update_params->update_flags); |
| 3323 | __clear_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, |
| 3324 | &update_params->update_flags); |
| 3325 | } else { |
| 3326 | /* configure the new vlan to device */ |
| 3327 | __set_bit(RAMROD_COMP_WAIT, &ramrod_flags); |
| 3328 | ramrod_param.vlan_mac_obj = vlan_obj; |
| 3329 | ramrod_param.ramrod_flags = ramrod_flags; |
| 3330 | ramrod_param.user_req.u.vlan.vlan = vlan; |
| 3331 | ramrod_param.user_req.cmd = BNX2X_VLAN_MAC_ADD; |
| 3332 | rc = bnx2x_config_vlan_mac(bp, &ramrod_param); |
| 3333 | if (rc) { |
| 3334 | BNX2X_ERR("failed to configure vlan\n"); |
| 3335 | return -EINVAL; |
| 3336 | } |
| 3337 | |
| 3338 | /* configure default vlan to vf queue and set silent |
| 3339 | * vlan removal (the vf remains unaware of this vlan). |
| 3340 | */ |
| 3341 | update_params = &q_params.params.update; |
| 3342 | __set_bit(BNX2X_Q_UPDATE_DEF_VLAN_EN, |
| 3343 | &update_params->update_flags); |
| 3344 | __set_bit(BNX2X_Q_UPDATE_SILENT_VLAN_REM, |
| 3345 | &update_params->update_flags); |
| 3346 | update_params->def_vlan = vlan; |
| 3347 | } |
| 3348 | |
| 3349 | /* Update the Queue state */ |
| 3350 | rc = bnx2x_queue_state_change(bp, &q_params); |
| 3351 | if (rc) { |
| 3352 | BNX2X_ERR("Failed to configure default VLAN\n"); |
| 3353 | return rc; |
| 3354 | } |
| 3355 | |
| 3356 | /* clear the flag indicating that this VF needs its vlan |
| 3357 | * (will only be set if the HV configured th Vlan before vf was |
| 3358 | * and we were called because the VF came up later |
| 3359 | */ |
| 3360 | vf->cfg_flags &= ~VF_CFG_VLAN; |
| 3361 | |
| 3362 | bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_SET_VLAN); |
| 3363 | } |
| 3364 | return 0; |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3365 | } |
| 3366 | |
Yuval Mintz | 16a5fd9 | 2013-06-02 00:06:18 +0000 | [diff] [blame] | 3367 | /* crc is the first field in the bulletin board. Compute the crc over the |
| 3368 | * entire bulletin board excluding the crc field itself. Use the length field |
| 3369 | * as the Bulletin Board was posted by a PF with possibly a different version |
| 3370 | * from the vf which will sample it. Therefore, the length is computed by the |
| 3371 | * PF and the used blindly by the VF. |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3372 | */ |
| 3373 | u32 bnx2x_crc_vf_bulletin(struct bnx2x *bp, |
| 3374 | struct pf_vf_bulletin_content *bulletin) |
| 3375 | { |
| 3376 | return crc32(BULLETIN_CRC_SEED, |
| 3377 | ((u8 *)bulletin) + sizeof(bulletin->crc), |
Ariel Elior | 4c133c3 | 2013-01-23 03:21:54 +0000 | [diff] [blame] | 3378 | bulletin->length - sizeof(bulletin->crc)); |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3379 | } |
| 3380 | |
| 3381 | /* Check for new posts on the bulletin board */ |
| 3382 | enum sample_bulletin_result bnx2x_sample_bulletin(struct bnx2x *bp) |
| 3383 | { |
| 3384 | struct pf_vf_bulletin_content bulletin = bp->pf2vf_bulletin->content; |
| 3385 | int attempts; |
| 3386 | |
| 3387 | /* bulletin board hasn't changed since last sample */ |
| 3388 | if (bp->old_bulletin.version == bulletin.version) |
| 3389 | return PFVF_BULLETIN_UNCHANGED; |
| 3390 | |
| 3391 | /* validate crc of new bulletin board */ |
| 3392 | if (bp->old_bulletin.version != bp->pf2vf_bulletin->content.version) { |
| 3393 | /* sampling structure in mid post may result with corrupted data |
| 3394 | * validate crc to ensure coherency. |
| 3395 | */ |
| 3396 | for (attempts = 0; attempts < BULLETIN_ATTEMPTS; attempts++) { |
| 3397 | bulletin = bp->pf2vf_bulletin->content; |
| 3398 | if (bulletin.crc == bnx2x_crc_vf_bulletin(bp, |
| 3399 | &bulletin)) |
| 3400 | break; |
Yuval Mintz | 6bf07b8 | 2013-06-02 00:06:20 +0000 | [diff] [blame] | 3401 | BNX2X_ERR("bad crc on bulletin board. Contained %x computed %x\n", |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3402 | bulletin.crc, |
| 3403 | bnx2x_crc_vf_bulletin(bp, &bulletin)); |
| 3404 | } |
| 3405 | if (attempts >= BULLETIN_ATTEMPTS) { |
| 3406 | BNX2X_ERR("pf to vf bulletin board crc was wrong %d consecutive times. Aborting\n", |
| 3407 | attempts); |
| 3408 | return PFVF_BULLETIN_CRC_ERR; |
| 3409 | } |
| 3410 | } |
| 3411 | |
| 3412 | /* the mac address in bulletin board is valid and is new */ |
| 3413 | if (bulletin.valid_bitmap & 1 << MAC_ADDR_VALID && |
| 3414 | memcmp(bulletin.mac, bp->old_bulletin.mac, ETH_ALEN)) { |
| 3415 | /* update new mac to net device */ |
| 3416 | memcpy(bp->dev->dev_addr, bulletin.mac, ETH_ALEN); |
| 3417 | } |
| 3418 | |
Ariel Elior | 3ec9f9c | 2013-03-11 05:17:45 +0000 | [diff] [blame] | 3419 | /* the vlan in bulletin board is valid and is new */ |
| 3420 | if (bulletin.valid_bitmap & 1 << VLAN_VALID) |
| 3421 | memcpy(&bulletin.vlan, &bp->old_bulletin.vlan, VLAN_HLEN); |
| 3422 | |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3423 | /* copy new bulletin board to bp */ |
| 3424 | bp->old_bulletin = bulletin; |
| 3425 | |
| 3426 | return PFVF_BULLETIN_UPDATED; |
| 3427 | } |
| 3428 | |
Dmitry Kravkov | 1d6f3cd | 2013-03-27 01:05:17 +0000 | [diff] [blame] | 3429 | void __iomem *bnx2x_vf_doorbells(struct bnx2x *bp) |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3430 | { |
| 3431 | /* vf doorbells are embedded within the regview */ |
Dmitry Kravkov | 1d6f3cd | 2013-03-27 01:05:17 +0000 | [diff] [blame] | 3432 | return bp->regview + PXP_VF_ADDR_DB_START; |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3433 | } |
| 3434 | |
| 3435 | int bnx2x_vf_pci_alloc(struct bnx2x *bp) |
| 3436 | { |
Dmitry Kravkov | 8b49a4c | 2013-03-27 08:56:10 +0000 | [diff] [blame] | 3437 | mutex_init(&bp->vf2pf_mutex); |
| 3438 | |
Ariel Elior | 6411280 | 2013-01-07 00:50:23 +0000 | [diff] [blame] | 3439 | /* allocate vf2pf mailbox for vf to pf channel */ |
| 3440 | BNX2X_PCI_ALLOC(bp->vf2pf_mbox, &bp->vf2pf_mbox_mapping, |
| 3441 | sizeof(struct bnx2x_vf_mbx_msg)); |
| 3442 | |
| 3443 | /* allocate pf 2 vf bulletin board */ |
| 3444 | BNX2X_PCI_ALLOC(bp->pf2vf_bulletin, &bp->pf2vf_bulletin_mapping, |
| 3445 | sizeof(union pf_vf_bulletin)); |
| 3446 | |
| 3447 | return 0; |
| 3448 | |
| 3449 | alloc_mem_err: |
| 3450 | BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping, |
| 3451 | sizeof(struct bnx2x_vf_mbx_msg)); |
| 3452 | BNX2X_PCI_FREE(bp->vf2pf_mbox, bp->vf2pf_mbox_mapping, |
| 3453 | sizeof(union pf_vf_bulletin)); |
| 3454 | return -ENOMEM; |
| 3455 | } |
Ariel Elior | 3c76fef | 2013-03-11 05:17:46 +0000 | [diff] [blame] | 3456 | |
| 3457 | int bnx2x_open_epilog(struct bnx2x *bp) |
| 3458 | { |
| 3459 | /* Enable sriov via delayed work. This must be done via delayed work |
| 3460 | * because it causes the probe of the vf devices to be run, which invoke |
| 3461 | * register_netdevice which must have rtnl lock taken. As we are holding |
| 3462 | * the lock right now, that could only work if the probe would not take |
| 3463 | * the lock. However, as the probe of the vf may be called from other |
Yuval Mintz | 16a5fd9 | 2013-06-02 00:06:18 +0000 | [diff] [blame] | 3464 | * contexts as well (such as passthrough to vm fails) it can't assume |
Ariel Elior | 3c76fef | 2013-03-11 05:17:46 +0000 | [diff] [blame] | 3465 | * the lock is being held for it. Using delayed work here allows the |
| 3466 | * probe code to simply take the lock (i.e. wait for it to be released |
| 3467 | * if it is being held). We only want to do this if the number of VFs |
| 3468 | * was set before PF driver was loaded. |
| 3469 | */ |
| 3470 | if (IS_SRIOV(bp) && BNX2X_NR_VIRTFN(bp)) { |
| 3471 | smp_mb__before_clear_bit(); |
| 3472 | set_bit(BNX2X_SP_RTNL_ENABLE_SRIOV, &bp->sp_rtnl_state); |
| 3473 | smp_mb__after_clear_bit(); |
| 3474 | schedule_delayed_work(&bp->sp_rtnl_task, 0); |
| 3475 | } |
| 3476 | |
| 3477 | return 0; |
| 3478 | } |
Ariel Elior | 78c3bcc | 2013-06-20 17:39:08 +0300 | [diff] [blame] | 3479 | |
| 3480 | void bnx2x_iov_channel_down(struct bnx2x *bp) |
| 3481 | { |
| 3482 | int vf_idx; |
| 3483 | struct pf_vf_bulletin_content *bulletin; |
| 3484 | |
| 3485 | if (!IS_SRIOV(bp)) |
| 3486 | return; |
| 3487 | |
| 3488 | for_each_vf(bp, vf_idx) { |
| 3489 | /* locate this VFs bulletin board and update the channel down |
| 3490 | * bit |
| 3491 | */ |
| 3492 | bulletin = BP_VF_BULLETIN(bp, vf_idx); |
| 3493 | bulletin->valid_bitmap |= 1 << CHANNEL_DOWN; |
| 3494 | |
| 3495 | /* update vf bulletin board */ |
| 3496 | bnx2x_post_vf_bulletin(bp, vf_idx); |
| 3497 | } |
| 3498 | } |