Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 1 | /* bnx2x_sriov.c: Broadcom Everest network driver. |
| 2 | * |
| 3 | * Copyright 2009-2012 Broadcom Corporation |
| 4 | * |
| 5 | * Unless you and Broadcom execute a separate written software license |
| 6 | * agreement governing use of this software, this software is licensed to you |
| 7 | * under the terms of the GNU General Public License version 2, available |
| 8 | * at http://www.gnu.org/licenses/old-licenses/gpl-2.0.html (the "GPL"). |
| 9 | * |
| 10 | * Notwithstanding the above, under no circumstances may you combine this |
| 11 | * software in any way with any other Broadcom software provided under a |
| 12 | * license other than the GPL, without Broadcom's express prior written |
| 13 | * consent. |
| 14 | * |
| 15 | * Maintained by: Eilon Greenstein <eilong@broadcom.com> |
| 16 | * Written by: 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 | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 23 | #include "bnx2x_sriov.h" |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 24 | |
| 25 | /* General service functions */ |
| 26 | static void storm_memset_vf_to_pf(struct bnx2x *bp, u16 abs_fid, |
| 27 | u16 pf_id) |
| 28 | { |
| 29 | REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_VF_TO_PF_OFFSET(abs_fid), |
| 30 | pf_id); |
| 31 | REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_VF_TO_PF_OFFSET(abs_fid), |
| 32 | pf_id); |
| 33 | REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_VF_TO_PF_OFFSET(abs_fid), |
| 34 | pf_id); |
| 35 | REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_VF_TO_PF_OFFSET(abs_fid), |
| 36 | pf_id); |
| 37 | } |
| 38 | |
| 39 | static void storm_memset_func_en(struct bnx2x *bp, u16 abs_fid, |
| 40 | u8 enable) |
| 41 | { |
| 42 | REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNC_EN_OFFSET(abs_fid), |
| 43 | enable); |
| 44 | REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNC_EN_OFFSET(abs_fid), |
| 45 | enable); |
| 46 | REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNC_EN_OFFSET(abs_fid), |
| 47 | enable); |
| 48 | REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNC_EN_OFFSET(abs_fid), |
| 49 | enable); |
| 50 | } |
| 51 | |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 52 | int bnx2x_vf_idx_by_abs_fid(struct bnx2x *bp, u16 abs_vfid) |
| 53 | { |
| 54 | int idx; |
| 55 | |
| 56 | for_each_vf(bp, idx) |
| 57 | if (bnx2x_vf(bp, idx, abs_vfid) == abs_vfid) |
| 58 | break; |
| 59 | return idx; |
| 60 | } |
| 61 | |
| 62 | static |
| 63 | struct bnx2x_virtf *bnx2x_vf_by_abs_fid(struct bnx2x *bp, u16 abs_vfid) |
| 64 | { |
| 65 | u16 idx = (u16)bnx2x_vf_idx_by_abs_fid(bp, abs_vfid); |
| 66 | return (idx < BNX2X_NR_VIRTFN(bp)) ? BP_VF(bp, idx) : NULL; |
| 67 | } |
| 68 | |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 69 | static void bnx2x_vf_igu_ack_sb(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 70 | u8 igu_sb_id, u8 segment, u16 index, u8 op, |
| 71 | u8 update) |
| 72 | { |
| 73 | /* acking a VF sb through the PF - use the GRC */ |
| 74 | u32 ctl; |
| 75 | u32 igu_addr_data = IGU_REG_COMMAND_REG_32LSB_DATA; |
| 76 | u32 igu_addr_ctl = IGU_REG_COMMAND_REG_CTRL; |
| 77 | u32 func_encode = vf->abs_vfid; |
| 78 | u32 addr_encode = IGU_CMD_E2_PROD_UPD_BASE + igu_sb_id; |
| 79 | struct igu_regular cmd_data = {0}; |
| 80 | |
| 81 | cmd_data.sb_id_and_flags = |
| 82 | ((index << IGU_REGULAR_SB_INDEX_SHIFT) | |
| 83 | (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) | |
| 84 | (update << IGU_REGULAR_BUPDATE_SHIFT) | |
| 85 | (op << IGU_REGULAR_ENABLE_INT_SHIFT)); |
| 86 | |
| 87 | ctl = addr_encode << IGU_CTRL_REG_ADDRESS_SHIFT | |
| 88 | func_encode << IGU_CTRL_REG_FID_SHIFT | |
| 89 | IGU_CTRL_CMD_TYPE_WR << IGU_CTRL_REG_TYPE_SHIFT; |
| 90 | |
| 91 | DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", |
| 92 | cmd_data.sb_id_and_flags, igu_addr_data); |
| 93 | REG_WR(bp, igu_addr_data, cmd_data.sb_id_and_flags); |
| 94 | mmiowb(); |
| 95 | barrier(); |
| 96 | |
| 97 | DP(NETIF_MSG_HW, "write 0x%08x to IGU(via GRC) addr 0x%x\n", |
| 98 | ctl, igu_addr_ctl); |
| 99 | REG_WR(bp, igu_addr_ctl, ctl); |
| 100 | mmiowb(); |
| 101 | barrier(); |
| 102 | } |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 103 | /* VFOP - VF slow-path operation support */ |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 104 | |
Ariel Elior | 954ea74 | 2013-01-01 05:22:38 +0000 | [diff] [blame] | 105 | #define BNX2X_VFOP_FILTER_ADD_CNT_MAX 0x10000 |
| 106 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 107 | /* VFOP operations states */ |
| 108 | enum bnx2x_vfop_qctor_state { |
| 109 | BNX2X_VFOP_QCTOR_INIT, |
| 110 | BNX2X_VFOP_QCTOR_SETUP, |
| 111 | BNX2X_VFOP_QCTOR_INT_EN |
| 112 | }; |
| 113 | |
Ariel Elior | 463a68a | 2013-01-01 05:22:39 +0000 | [diff] [blame] | 114 | enum bnx2x_vfop_qdtor_state { |
| 115 | BNX2X_VFOP_QDTOR_HALT, |
| 116 | BNX2X_VFOP_QDTOR_TERMINATE, |
| 117 | BNX2X_VFOP_QDTOR_CFCDEL, |
| 118 | BNX2X_VFOP_QDTOR_DONE |
| 119 | }; |
| 120 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 121 | enum bnx2x_vfop_vlan_mac_state { |
| 122 | BNX2X_VFOP_VLAN_MAC_CONFIG_SINGLE, |
| 123 | BNX2X_VFOP_VLAN_MAC_CLEAR, |
| 124 | BNX2X_VFOP_VLAN_MAC_CHK_DONE, |
| 125 | BNX2X_VFOP_MAC_CONFIG_LIST, |
| 126 | BNX2X_VFOP_VLAN_CONFIG_LIST, |
| 127 | BNX2X_VFOP_VLAN_CONFIG_LIST_0 |
| 128 | }; |
| 129 | |
| 130 | enum bnx2x_vfop_qsetup_state { |
| 131 | BNX2X_VFOP_QSETUP_CTOR, |
| 132 | BNX2X_VFOP_QSETUP_VLAN0, |
| 133 | BNX2X_VFOP_QSETUP_DONE |
| 134 | }; |
| 135 | |
Ariel Elior | 954ea74 | 2013-01-01 05:22:38 +0000 | [diff] [blame] | 136 | enum bnx2x_vfop_mcast_state { |
| 137 | BNX2X_VFOP_MCAST_DEL, |
| 138 | BNX2X_VFOP_MCAST_ADD, |
| 139 | BNX2X_VFOP_MCAST_CHK_DONE |
| 140 | }; |
Ariel Elior | d16132c | 2013-01-01 05:22:42 +0000 | [diff] [blame] | 141 | enum bnx2x_vfop_qflr_state { |
| 142 | BNX2X_VFOP_QFLR_CLR_VLAN, |
| 143 | BNX2X_VFOP_QFLR_CLR_MAC, |
| 144 | BNX2X_VFOP_QFLR_TERMINATE, |
| 145 | BNX2X_VFOP_QFLR_DONE |
| 146 | }; |
| 147 | |
| 148 | enum bnx2x_vfop_flr_state { |
| 149 | BNX2X_VFOP_FLR_QUEUES, |
| 150 | BNX2X_VFOP_FLR_HW |
| 151 | }; |
Ariel Elior | 954ea74 | 2013-01-01 05:22:38 +0000 | [diff] [blame] | 152 | |
Ariel Elior | 99e9d21 | 2013-01-01 05:22:40 +0000 | [diff] [blame] | 153 | enum bnx2x_vfop_close_state { |
| 154 | BNX2X_VFOP_CLOSE_QUEUES, |
| 155 | BNX2X_VFOP_CLOSE_HW |
| 156 | }; |
| 157 | |
Ariel Elior | 954ea74 | 2013-01-01 05:22:38 +0000 | [diff] [blame] | 158 | enum bnx2x_vfop_rxmode_state { |
| 159 | BNX2X_VFOP_RXMODE_CONFIG, |
| 160 | BNX2X_VFOP_RXMODE_DONE |
| 161 | }; |
| 162 | |
Ariel Elior | 463a68a | 2013-01-01 05:22:39 +0000 | [diff] [blame] | 163 | enum bnx2x_vfop_qteardown_state { |
| 164 | BNX2X_VFOP_QTEARDOWN_RXMODE, |
| 165 | BNX2X_VFOP_QTEARDOWN_CLR_VLAN, |
| 166 | BNX2X_VFOP_QTEARDOWN_CLR_MAC, |
| 167 | BNX2X_VFOP_QTEARDOWN_QDTOR, |
| 168 | BNX2X_VFOP_QTEARDOWN_DONE |
| 169 | }; |
| 170 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 171 | #define bnx2x_vfop_reset_wq(vf) atomic_set(&vf->op_in_progress, 0) |
| 172 | |
| 173 | void bnx2x_vfop_qctor_dump_tx(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 174 | struct bnx2x_queue_init_params *init_params, |
| 175 | struct bnx2x_queue_setup_params *setup_params, |
| 176 | u16 q_idx, u16 sb_idx) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 177 | { |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 178 | DP(BNX2X_MSG_IOV, |
| 179 | "VF[%d] Q_SETUP: txq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, flags=0x%lx, traffic-type=%d", |
| 180 | vf->abs_vfid, |
| 181 | q_idx, |
| 182 | sb_idx, |
| 183 | init_params->tx.sb_cq_index, |
| 184 | init_params->tx.hc_rate, |
| 185 | setup_params->flags, |
| 186 | setup_params->txq_params.traffic_type); |
| 187 | } |
| 188 | |
| 189 | void bnx2x_vfop_qctor_dump_rx(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 190 | struct bnx2x_queue_init_params *init_params, |
| 191 | struct bnx2x_queue_setup_params *setup_params, |
| 192 | u16 q_idx, u16 sb_idx) |
| 193 | { |
| 194 | struct bnx2x_rxq_setup_params *rxq_params = &setup_params->rxq_params; |
| 195 | |
| 196 | DP(BNX2X_MSG_IOV, "VF[%d] Q_SETUP: rxq[%d]-- vfsb=%d, sb-index=%d, hc-rate=%d, mtu=%d, buf-size=%d\n" |
| 197 | "sge-size=%d, max_sge_pkt=%d, tpa-agg-size=%d, flags=0x%lx, drop-flags=0x%x, cache-log=%d\n", |
| 198 | vf->abs_vfid, |
| 199 | q_idx, |
| 200 | sb_idx, |
| 201 | init_params->rx.sb_cq_index, |
| 202 | init_params->rx.hc_rate, |
| 203 | setup_params->gen_params.mtu, |
| 204 | rxq_params->buf_sz, |
| 205 | rxq_params->sge_buf_sz, |
| 206 | rxq_params->max_sges_pkt, |
| 207 | rxq_params->tpa_agg_sz, |
| 208 | setup_params->flags, |
| 209 | rxq_params->drop_flags, |
| 210 | rxq_params->cache_line_log); |
| 211 | } |
| 212 | |
| 213 | void bnx2x_vfop_qctor_prep(struct bnx2x *bp, |
| 214 | struct bnx2x_virtf *vf, |
| 215 | struct bnx2x_vf_queue *q, |
| 216 | struct bnx2x_vfop_qctor_params *p, |
| 217 | unsigned long q_type) |
| 218 | { |
| 219 | struct bnx2x_queue_init_params *init_p = &p->qstate.params.init; |
| 220 | struct bnx2x_queue_setup_params *setup_p = &p->prep_qsetup; |
| 221 | |
| 222 | /* INIT */ |
| 223 | |
| 224 | /* Enable host coalescing in the transition to INIT state */ |
| 225 | if (test_bit(BNX2X_Q_FLG_HC, &init_p->rx.flags)) |
| 226 | __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->rx.flags); |
| 227 | |
| 228 | if (test_bit(BNX2X_Q_FLG_HC, &init_p->tx.flags)) |
| 229 | __set_bit(BNX2X_Q_FLG_HC_EN, &init_p->tx.flags); |
| 230 | |
| 231 | /* FW SB ID */ |
| 232 | init_p->rx.fw_sb_id = vf_igu_sb(vf, q->sb_idx); |
| 233 | init_p->tx.fw_sb_id = vf_igu_sb(vf, q->sb_idx); |
| 234 | |
| 235 | /* context */ |
| 236 | init_p->cxts[0] = q->cxt; |
| 237 | |
| 238 | /* SETUP */ |
| 239 | |
| 240 | /* Setup-op general parameters */ |
| 241 | setup_p->gen_params.spcl_id = vf->sp_cl_id; |
| 242 | setup_p->gen_params.stat_id = vfq_stat_id(vf, q); |
| 243 | |
| 244 | /* Setup-op pause params: |
| 245 | * Nothing to do, the pause thresholds are set by default to 0 which |
| 246 | * effectively turns off the feature for this queue. We don't want |
| 247 | * one queue (VF) to interfering with another queue (another VF) |
| 248 | */ |
| 249 | if (vf->cfg_flags & VF_CFG_FW_FC) |
| 250 | BNX2X_ERR("No support for pause to VFs (abs_vfid: %d)\n", |
| 251 | vf->abs_vfid); |
| 252 | /* Setup-op flags: |
| 253 | * collect statistics, zero statistics, local-switching, security, |
| 254 | * OV for Flex10, RSS and MCAST for leading |
| 255 | */ |
| 256 | if (test_bit(BNX2X_Q_FLG_STATS, &setup_p->flags)) |
| 257 | __set_bit(BNX2X_Q_FLG_ZERO_STATS, &setup_p->flags); |
| 258 | |
| 259 | /* for VFs, enable tx switching, bd coherency, and mac address |
| 260 | * anti-spoofing |
| 261 | */ |
| 262 | __set_bit(BNX2X_Q_FLG_TX_SWITCH, &setup_p->flags); |
| 263 | __set_bit(BNX2X_Q_FLG_TX_SEC, &setup_p->flags); |
| 264 | __set_bit(BNX2X_Q_FLG_ANTI_SPOOF, &setup_p->flags); |
| 265 | |
| 266 | if (vfq_is_leading(q)) { |
| 267 | __set_bit(BNX2X_Q_FLG_LEADING_RSS, &setup_p->flags); |
| 268 | __set_bit(BNX2X_Q_FLG_MCAST, &setup_p->flags); |
| 269 | } |
| 270 | |
| 271 | /* Setup-op rx parameters */ |
| 272 | if (test_bit(BNX2X_Q_TYPE_HAS_RX, &q_type)) { |
| 273 | struct bnx2x_rxq_setup_params *rxq_p = &setup_p->rxq_params; |
| 274 | |
| 275 | rxq_p->cl_qzone_id = vfq_qzone_id(vf, q); |
| 276 | rxq_p->fw_sb_id = vf_igu_sb(vf, q->sb_idx); |
| 277 | rxq_p->rss_engine_id = FW_VF_HANDLE(vf->abs_vfid); |
| 278 | |
| 279 | if (test_bit(BNX2X_Q_FLG_TPA, &setup_p->flags)) |
| 280 | rxq_p->max_tpa_queues = BNX2X_VF_MAX_TPA_AGG_QUEUES; |
| 281 | } |
| 282 | |
| 283 | /* Setup-op tx parameters */ |
| 284 | if (test_bit(BNX2X_Q_TYPE_HAS_TX, &q_type)) { |
| 285 | setup_p->txq_params.tss_leading_cl_id = vf->leading_rss; |
| 286 | setup_p->txq_params.fw_sb_id = vf_igu_sb(vf, q->sb_idx); |
| 287 | } |
| 288 | } |
| 289 | |
| 290 | /* VFOP queue construction */ |
| 291 | static void bnx2x_vfop_qctor(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 292 | { |
| 293 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 294 | struct bnx2x_vfop_args_qctor *args = &vfop->args.qctor; |
| 295 | struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate; |
| 296 | enum bnx2x_vfop_qctor_state state = vfop->state; |
| 297 | |
| 298 | bnx2x_vfop_reset_wq(vf); |
| 299 | |
| 300 | if (vfop->rc < 0) |
| 301 | goto op_err; |
| 302 | |
| 303 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 304 | |
| 305 | switch (state) { |
| 306 | case BNX2X_VFOP_QCTOR_INIT: |
| 307 | |
| 308 | /* has this queue already been opened? */ |
| 309 | if (bnx2x_get_q_logical_state(bp, q_params->q_obj) == |
| 310 | BNX2X_Q_LOGICAL_STATE_ACTIVE) { |
| 311 | DP(BNX2X_MSG_IOV, |
| 312 | "Entered qctor but queue was already up. Aborting gracefully\n"); |
| 313 | goto op_done; |
| 314 | } |
| 315 | |
| 316 | /* next state */ |
| 317 | vfop->state = BNX2X_VFOP_QCTOR_SETUP; |
| 318 | |
| 319 | q_params->cmd = BNX2X_Q_CMD_INIT; |
| 320 | vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| 321 | |
| 322 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| 323 | |
| 324 | case BNX2X_VFOP_QCTOR_SETUP: |
| 325 | /* next state */ |
| 326 | vfop->state = BNX2X_VFOP_QCTOR_INT_EN; |
| 327 | |
| 328 | /* copy pre-prepared setup params to the queue-state params */ |
| 329 | vfop->op_p->qctor.qstate.params.setup = |
| 330 | vfop->op_p->qctor.prep_qsetup; |
| 331 | |
| 332 | q_params->cmd = BNX2X_Q_CMD_SETUP; |
| 333 | vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| 334 | |
| 335 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| 336 | |
| 337 | case BNX2X_VFOP_QCTOR_INT_EN: |
| 338 | |
| 339 | /* enable interrupts */ |
| 340 | bnx2x_vf_igu_ack_sb(bp, vf, vf_igu_sb(vf, args->sb_idx), |
| 341 | USTORM_ID, 0, IGU_INT_ENABLE, 0); |
| 342 | goto op_done; |
| 343 | default: |
| 344 | bnx2x_vfop_default(state); |
| 345 | } |
| 346 | op_err: |
| 347 | BNX2X_ERR("QCTOR[%d:%d] error: cmd %d, rc %d\n", |
| 348 | vf->abs_vfid, args->qid, q_params->cmd, vfop->rc); |
| 349 | op_done: |
| 350 | bnx2x_vfop_end(bp, vf, vfop); |
| 351 | op_pending: |
| 352 | return; |
| 353 | } |
| 354 | |
| 355 | static int bnx2x_vfop_qctor_cmd(struct bnx2x *bp, |
| 356 | struct bnx2x_virtf *vf, |
| 357 | struct bnx2x_vfop_cmd *cmd, |
| 358 | int qid) |
| 359 | { |
| 360 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 361 | |
| 362 | if (vfop) { |
| 363 | vf->op_params.qctor.qstate.q_obj = &bnx2x_vfq(vf, qid, sp_obj); |
| 364 | |
| 365 | vfop->args.qctor.qid = qid; |
| 366 | vfop->args.qctor.sb_idx = bnx2x_vfq(vf, qid, sb_idx); |
| 367 | |
| 368 | bnx2x_vfop_opset(BNX2X_VFOP_QCTOR_INIT, |
| 369 | bnx2x_vfop_qctor, cmd->done); |
| 370 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qctor, |
| 371 | cmd->block); |
| 372 | } |
| 373 | return -ENOMEM; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 374 | } |
| 375 | |
Ariel Elior | 463a68a | 2013-01-01 05:22:39 +0000 | [diff] [blame] | 376 | /* VFOP queue destruction */ |
| 377 | static void bnx2x_vfop_qdtor(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 378 | { |
| 379 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 380 | struct bnx2x_vfop_args_qdtor *qdtor = &vfop->args.qdtor; |
| 381 | struct bnx2x_queue_state_params *q_params = &vfop->op_p->qctor.qstate; |
| 382 | enum bnx2x_vfop_qdtor_state state = vfop->state; |
| 383 | |
| 384 | bnx2x_vfop_reset_wq(vf); |
| 385 | |
| 386 | if (vfop->rc < 0) |
| 387 | goto op_err; |
| 388 | |
| 389 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 390 | |
| 391 | switch (state) { |
| 392 | case BNX2X_VFOP_QDTOR_HALT: |
| 393 | |
| 394 | /* has this queue already been stopped? */ |
| 395 | if (bnx2x_get_q_logical_state(bp, q_params->q_obj) == |
| 396 | BNX2X_Q_LOGICAL_STATE_STOPPED) { |
| 397 | DP(BNX2X_MSG_IOV, |
| 398 | "Entered qdtor but queue was already stopped. Aborting gracefully\n"); |
| 399 | goto op_done; |
| 400 | } |
| 401 | |
| 402 | /* next state */ |
| 403 | vfop->state = BNX2X_VFOP_QDTOR_TERMINATE; |
| 404 | |
| 405 | q_params->cmd = BNX2X_Q_CMD_HALT; |
| 406 | vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| 407 | |
| 408 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| 409 | |
| 410 | case BNX2X_VFOP_QDTOR_TERMINATE: |
| 411 | /* next state */ |
| 412 | vfop->state = BNX2X_VFOP_QDTOR_CFCDEL; |
| 413 | |
| 414 | q_params->cmd = BNX2X_Q_CMD_TERMINATE; |
| 415 | vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| 416 | |
| 417 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| 418 | |
| 419 | case BNX2X_VFOP_QDTOR_CFCDEL: |
| 420 | /* next state */ |
| 421 | vfop->state = BNX2X_VFOP_QDTOR_DONE; |
| 422 | |
| 423 | q_params->cmd = BNX2X_Q_CMD_CFC_DEL; |
| 424 | vfop->rc = bnx2x_queue_state_change(bp, q_params); |
| 425 | |
| 426 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| 427 | op_err: |
| 428 | BNX2X_ERR("QDTOR[%d:%d] error: cmd %d, rc %d\n", |
| 429 | vf->abs_vfid, qdtor->qid, q_params->cmd, vfop->rc); |
| 430 | op_done: |
| 431 | case BNX2X_VFOP_QDTOR_DONE: |
| 432 | /* invalidate the context */ |
| 433 | qdtor->cxt->ustorm_ag_context.cdu_usage = 0; |
| 434 | qdtor->cxt->xstorm_ag_context.cdu_reserved = 0; |
| 435 | bnx2x_vfop_end(bp, vf, vfop); |
| 436 | return; |
| 437 | default: |
| 438 | bnx2x_vfop_default(state); |
| 439 | } |
| 440 | op_pending: |
| 441 | return; |
| 442 | } |
| 443 | |
| 444 | static int bnx2x_vfop_qdtor_cmd(struct bnx2x *bp, |
| 445 | struct bnx2x_virtf *vf, |
| 446 | struct bnx2x_vfop_cmd *cmd, |
| 447 | int qid) |
| 448 | { |
| 449 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 450 | |
| 451 | if (vfop) { |
| 452 | struct bnx2x_queue_state_params *qstate = |
| 453 | &vf->op_params.qctor.qstate; |
| 454 | |
| 455 | memset(qstate, 0, sizeof(*qstate)); |
| 456 | qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj); |
| 457 | |
| 458 | vfop->args.qdtor.qid = qid; |
| 459 | vfop->args.qdtor.cxt = bnx2x_vfq(vf, qid, cxt); |
| 460 | |
| 461 | bnx2x_vfop_opset(BNX2X_VFOP_QDTOR_HALT, |
| 462 | bnx2x_vfop_qdtor, cmd->done); |
| 463 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdtor, |
| 464 | cmd->block); |
| 465 | } |
| 466 | DP(BNX2X_MSG_IOV, "VF[%d] failed to add a vfop. rc %d\n", |
| 467 | vf->abs_vfid, vfop->rc); |
| 468 | return -ENOMEM; |
| 469 | } |
| 470 | |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 471 | static void |
| 472 | bnx2x_vf_set_igu_info(struct bnx2x *bp, u8 igu_sb_id, u8 abs_vfid) |
| 473 | { |
| 474 | struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); |
| 475 | if (vf) { |
| 476 | if (!vf_sb_count(vf)) |
| 477 | vf->igu_base_id = igu_sb_id; |
| 478 | ++vf_sb_count(vf); |
| 479 | } |
| 480 | } |
| 481 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 482 | /* VFOP MAC/VLAN helpers */ |
| 483 | static inline void bnx2x_vfop_credit(struct bnx2x *bp, |
| 484 | struct bnx2x_vfop *vfop, |
| 485 | struct bnx2x_vlan_mac_obj *obj) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 486 | { |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 487 | struct bnx2x_vfop_args_filters *args = &vfop->args.filters; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 488 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 489 | /* update credit only if there is no error |
| 490 | * and a valid credit counter |
| 491 | */ |
| 492 | if (!vfop->rc && args->credit) { |
| 493 | int cnt = 0; |
| 494 | struct list_head *pos; |
| 495 | |
| 496 | list_for_each(pos, &obj->head) |
| 497 | cnt++; |
| 498 | |
| 499 | atomic_set(args->credit, cnt); |
| 500 | } |
| 501 | } |
| 502 | |
| 503 | static int bnx2x_vfop_set_user_req(struct bnx2x *bp, |
| 504 | struct bnx2x_vfop_filter *pos, |
| 505 | struct bnx2x_vlan_mac_data *user_req) |
| 506 | { |
| 507 | user_req->cmd = pos->add ? BNX2X_VLAN_MAC_ADD : |
| 508 | BNX2X_VLAN_MAC_DEL; |
| 509 | |
| 510 | switch (pos->type) { |
| 511 | case BNX2X_VFOP_FILTER_MAC: |
| 512 | memcpy(user_req->u.mac.mac, pos->mac, ETH_ALEN); |
| 513 | break; |
| 514 | case BNX2X_VFOP_FILTER_VLAN: |
| 515 | user_req->u.vlan.vlan = pos->vid; |
| 516 | break; |
| 517 | default: |
| 518 | BNX2X_ERR("Invalid filter type, skipping\n"); |
| 519 | return 1; |
| 520 | } |
| 521 | return 0; |
| 522 | } |
| 523 | |
| 524 | static int |
| 525 | bnx2x_vfop_config_vlan0(struct bnx2x *bp, |
| 526 | struct bnx2x_vlan_mac_ramrod_params *vlan_mac, |
| 527 | bool add) |
| 528 | { |
| 529 | int rc; |
| 530 | |
| 531 | vlan_mac->user_req.cmd = add ? BNX2X_VLAN_MAC_ADD : |
| 532 | BNX2X_VLAN_MAC_DEL; |
| 533 | vlan_mac->user_req.u.vlan.vlan = 0; |
| 534 | |
| 535 | rc = bnx2x_config_vlan_mac(bp, vlan_mac); |
| 536 | if (rc == -EEXIST) |
| 537 | rc = 0; |
| 538 | return rc; |
| 539 | } |
| 540 | |
| 541 | static int bnx2x_vfop_config_list(struct bnx2x *bp, |
| 542 | struct bnx2x_vfop_filters *filters, |
| 543 | struct bnx2x_vlan_mac_ramrod_params *vlan_mac) |
| 544 | { |
| 545 | struct bnx2x_vfop_filter *pos, *tmp; |
| 546 | struct list_head rollback_list, *filters_list = &filters->head; |
| 547 | struct bnx2x_vlan_mac_data *user_req = &vlan_mac->user_req; |
| 548 | int rc = 0, cnt = 0; |
| 549 | |
| 550 | INIT_LIST_HEAD(&rollback_list); |
| 551 | |
| 552 | list_for_each_entry_safe(pos, tmp, filters_list, link) { |
| 553 | if (bnx2x_vfop_set_user_req(bp, pos, user_req)) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 554 | continue; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 555 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 556 | rc = bnx2x_config_vlan_mac(bp, vlan_mac); |
| 557 | if (rc >= 0) { |
| 558 | cnt += pos->add ? 1 : -1; |
| 559 | list_del(&pos->link); |
| 560 | list_add(&pos->link, &rollback_list); |
| 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: |
| 962 | bnx2x_vfop_end(bp, vf, vfop); |
| 963 | return; |
| 964 | default: |
| 965 | bnx2x_vfop_default(state); |
| 966 | } |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 967 | } |
| 968 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 969 | int bnx2x_vfop_qsetup_cmd(struct bnx2x *bp, |
| 970 | struct bnx2x_virtf *vf, |
| 971 | struct bnx2x_vfop_cmd *cmd, |
| 972 | int qid) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 973 | { |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 974 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 975 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 976 | if (vfop) { |
| 977 | vfop->args.qctor.qid = qid; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 978 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 979 | bnx2x_vfop_opset(BNX2X_VFOP_QSETUP_CTOR, |
| 980 | bnx2x_vfop_qsetup, cmd->done); |
| 981 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qsetup, |
| 982 | cmd->block); |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 983 | } |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 984 | return -ENOMEM; |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 985 | } |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 986 | |
Ariel Elior | d16132c | 2013-01-01 05:22:42 +0000 | [diff] [blame] | 987 | /* VFOP queue FLR handling (clear vlans, clear macs, queue destructor) */ |
| 988 | static void bnx2x_vfop_qflr(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 989 | { |
| 990 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 991 | int qid = vfop->args.qx.qid; |
| 992 | enum bnx2x_vfop_qflr_state state = vfop->state; |
| 993 | struct bnx2x_queue_state_params *qstate; |
| 994 | struct bnx2x_vfop_cmd cmd; |
| 995 | |
| 996 | bnx2x_vfop_reset_wq(vf); |
| 997 | |
| 998 | if (vfop->rc < 0) |
| 999 | goto op_err; |
| 1000 | |
| 1001 | DP(BNX2X_MSG_IOV, "VF[%d] STATE: %d\n", vf->abs_vfid, state); |
| 1002 | |
| 1003 | cmd.done = bnx2x_vfop_qflr; |
| 1004 | cmd.block = false; |
| 1005 | |
| 1006 | switch (state) { |
| 1007 | case BNX2X_VFOP_QFLR_CLR_VLAN: |
| 1008 | /* vlan-clear-all: driver-only, don't consume credit */ |
| 1009 | vfop->state = BNX2X_VFOP_QFLR_CLR_MAC; |
| 1010 | vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, true); |
| 1011 | if (vfop->rc) |
| 1012 | goto op_err; |
| 1013 | return; |
| 1014 | |
| 1015 | case BNX2X_VFOP_QFLR_CLR_MAC: |
| 1016 | /* mac-clear-all: driver only consume credit */ |
| 1017 | vfop->state = BNX2X_VFOP_QFLR_TERMINATE; |
| 1018 | vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, true); |
| 1019 | DP(BNX2X_MSG_IOV, |
| 1020 | "VF[%d] vfop->rc after bnx2x_vfop_mac_delall_cmd was %d", |
| 1021 | vf->abs_vfid, vfop->rc); |
| 1022 | if (vfop->rc) |
| 1023 | goto op_err; |
| 1024 | return; |
| 1025 | |
| 1026 | case BNX2X_VFOP_QFLR_TERMINATE: |
| 1027 | qstate = &vfop->op_p->qctor.qstate; |
| 1028 | memset(qstate , 0, sizeof(*qstate)); |
| 1029 | qstate->q_obj = &bnx2x_vfq(vf, qid, sp_obj); |
| 1030 | vfop->state = BNX2X_VFOP_QFLR_DONE; |
| 1031 | |
| 1032 | DP(BNX2X_MSG_IOV, "VF[%d] qstate during flr was %d\n", |
| 1033 | vf->abs_vfid, qstate->q_obj->state); |
| 1034 | |
| 1035 | if (qstate->q_obj->state != BNX2X_Q_STATE_RESET) { |
| 1036 | qstate->q_obj->state = BNX2X_Q_STATE_STOPPED; |
| 1037 | qstate->cmd = BNX2X_Q_CMD_TERMINATE; |
| 1038 | vfop->rc = bnx2x_queue_state_change(bp, qstate); |
| 1039 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_VERIFY_PEND); |
| 1040 | } else { |
| 1041 | goto op_done; |
| 1042 | } |
| 1043 | |
| 1044 | op_err: |
| 1045 | BNX2X_ERR("QFLR[%d:%d] error: rc %d\n", |
| 1046 | vf->abs_vfid, qid, vfop->rc); |
| 1047 | op_done: |
| 1048 | case BNX2X_VFOP_QFLR_DONE: |
| 1049 | bnx2x_vfop_end(bp, vf, vfop); |
| 1050 | return; |
| 1051 | default: |
| 1052 | bnx2x_vfop_default(state); |
| 1053 | } |
| 1054 | op_pending: |
| 1055 | return; |
| 1056 | } |
| 1057 | |
| 1058 | static int bnx2x_vfop_qflr_cmd(struct bnx2x *bp, |
| 1059 | struct bnx2x_virtf *vf, |
| 1060 | struct bnx2x_vfop_cmd *cmd, |
| 1061 | int qid) |
| 1062 | { |
| 1063 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 1064 | |
| 1065 | if (vfop) { |
| 1066 | vfop->args.qx.qid = qid; |
| 1067 | bnx2x_vfop_opset(BNX2X_VFOP_QFLR_CLR_VLAN, |
| 1068 | bnx2x_vfop_qflr, cmd->done); |
| 1069 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qflr, |
| 1070 | cmd->block); |
| 1071 | } |
| 1072 | return -ENOMEM; |
| 1073 | } |
| 1074 | |
Ariel Elior | 954ea74 | 2013-01-01 05:22:38 +0000 | [diff] [blame] | 1075 | /* VFOP multi-casts */ |
| 1076 | static void bnx2x_vfop_mcast(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1077 | { |
| 1078 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 1079 | struct bnx2x_mcast_ramrod_params *mcast = &vfop->op_p->mcast; |
| 1080 | struct bnx2x_raw_obj *raw = &mcast->mcast_obj->raw; |
| 1081 | struct bnx2x_vfop_args_mcast *args = &vfop->args.mc_list; |
| 1082 | enum bnx2x_vfop_mcast_state state = vfop->state; |
| 1083 | int i; |
| 1084 | |
| 1085 | bnx2x_vfop_reset_wq(vf); |
| 1086 | |
| 1087 | if (vfop->rc < 0) |
| 1088 | goto op_err; |
| 1089 | |
| 1090 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 1091 | |
| 1092 | switch (state) { |
| 1093 | case BNX2X_VFOP_MCAST_DEL: |
| 1094 | /* clear existing mcasts */ |
| 1095 | vfop->state = BNX2X_VFOP_MCAST_ADD; |
| 1096 | vfop->rc = bnx2x_config_mcast(bp, mcast, BNX2X_MCAST_CMD_DEL); |
| 1097 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_CONT); |
| 1098 | |
| 1099 | case BNX2X_VFOP_MCAST_ADD: |
| 1100 | if (raw->check_pending(raw)) |
| 1101 | goto op_pending; |
| 1102 | |
| 1103 | if (args->mc_num) { |
| 1104 | /* update mcast list on the ramrod params */ |
| 1105 | INIT_LIST_HEAD(&mcast->mcast_list); |
| 1106 | for (i = 0; i < args->mc_num; i++) |
| 1107 | list_add_tail(&(args->mc[i].link), |
| 1108 | &mcast->mcast_list); |
| 1109 | /* add new mcasts */ |
| 1110 | vfop->state = BNX2X_VFOP_MCAST_CHK_DONE; |
| 1111 | vfop->rc = bnx2x_config_mcast(bp, mcast, |
| 1112 | BNX2X_MCAST_CMD_ADD); |
| 1113 | } |
| 1114 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| 1115 | |
| 1116 | case BNX2X_VFOP_MCAST_CHK_DONE: |
| 1117 | vfop->rc = raw->check_pending(raw) ? 1 : 0; |
| 1118 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| 1119 | default: |
| 1120 | bnx2x_vfop_default(state); |
| 1121 | } |
| 1122 | op_err: |
| 1123 | BNX2X_ERR("MCAST CONFIG error: rc %d\n", vfop->rc); |
| 1124 | op_done: |
| 1125 | kfree(args->mc); |
| 1126 | bnx2x_vfop_end(bp, vf, vfop); |
| 1127 | op_pending: |
| 1128 | return; |
| 1129 | } |
| 1130 | |
| 1131 | int bnx2x_vfop_mcast_cmd(struct bnx2x *bp, |
| 1132 | struct bnx2x_virtf *vf, |
| 1133 | struct bnx2x_vfop_cmd *cmd, |
| 1134 | bnx2x_mac_addr_t *mcasts, |
| 1135 | int mcast_num, bool drv_only) |
| 1136 | { |
| 1137 | struct bnx2x_vfop *vfop = NULL; |
| 1138 | size_t mc_sz = mcast_num * sizeof(struct bnx2x_mcast_list_elem); |
| 1139 | struct bnx2x_mcast_list_elem *mc = mc_sz ? kzalloc(mc_sz, GFP_KERNEL) : |
| 1140 | NULL; |
| 1141 | |
| 1142 | if (!mc_sz || mc) { |
| 1143 | vfop = bnx2x_vfop_add(bp, vf); |
| 1144 | if (vfop) { |
| 1145 | int i; |
| 1146 | struct bnx2x_mcast_ramrod_params *ramrod = |
| 1147 | &vf->op_params.mcast; |
| 1148 | |
| 1149 | /* set ramrod params */ |
| 1150 | memset(ramrod, 0, sizeof(*ramrod)); |
| 1151 | ramrod->mcast_obj = &vf->mcast_obj; |
| 1152 | if (drv_only) |
| 1153 | set_bit(RAMROD_DRV_CLR_ONLY, |
| 1154 | &ramrod->ramrod_flags); |
| 1155 | |
| 1156 | /* copy mcasts pointers */ |
| 1157 | vfop->args.mc_list.mc_num = mcast_num; |
| 1158 | vfop->args.mc_list.mc = mc; |
| 1159 | for (i = 0; i < mcast_num; i++) |
| 1160 | mc[i].mac = mcasts[i]; |
| 1161 | |
| 1162 | bnx2x_vfop_opset(BNX2X_VFOP_MCAST_DEL, |
| 1163 | bnx2x_vfop_mcast, cmd->done); |
| 1164 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_mcast, |
| 1165 | cmd->block); |
| 1166 | } else { |
| 1167 | kfree(mc); |
| 1168 | } |
| 1169 | } |
| 1170 | return -ENOMEM; |
| 1171 | } |
| 1172 | |
| 1173 | /* VFOP rx-mode */ |
| 1174 | static void bnx2x_vfop_rxmode(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1175 | { |
| 1176 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 1177 | struct bnx2x_rx_mode_ramrod_params *ramrod = &vfop->op_p->rx_mode; |
| 1178 | enum bnx2x_vfop_rxmode_state state = vfop->state; |
| 1179 | |
| 1180 | bnx2x_vfop_reset_wq(vf); |
| 1181 | |
| 1182 | if (vfop->rc < 0) |
| 1183 | goto op_err; |
| 1184 | |
| 1185 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 1186 | |
| 1187 | switch (state) { |
| 1188 | case BNX2X_VFOP_RXMODE_CONFIG: |
| 1189 | /* next state */ |
| 1190 | vfop->state = BNX2X_VFOP_RXMODE_DONE; |
| 1191 | |
| 1192 | vfop->rc = bnx2x_config_rx_mode(bp, ramrod); |
| 1193 | bnx2x_vfop_finalize(vf, vfop->rc, VFOP_DONE); |
| 1194 | op_err: |
| 1195 | BNX2X_ERR("RXMODE error: rc %d\n", vfop->rc); |
| 1196 | op_done: |
| 1197 | case BNX2X_VFOP_RXMODE_DONE: |
| 1198 | bnx2x_vfop_end(bp, vf, vfop); |
| 1199 | return; |
| 1200 | default: |
| 1201 | bnx2x_vfop_default(state); |
| 1202 | } |
| 1203 | op_pending: |
| 1204 | return; |
| 1205 | } |
| 1206 | |
| 1207 | int bnx2x_vfop_rxmode_cmd(struct bnx2x *bp, |
| 1208 | struct bnx2x_virtf *vf, |
| 1209 | struct bnx2x_vfop_cmd *cmd, |
| 1210 | int qid, unsigned long accept_flags) |
| 1211 | { |
| 1212 | struct bnx2x_vf_queue *vfq = vfq_get(vf, qid); |
| 1213 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 1214 | |
| 1215 | if (vfop) { |
| 1216 | struct bnx2x_rx_mode_ramrod_params *ramrod = |
| 1217 | &vf->op_params.rx_mode; |
| 1218 | |
| 1219 | memset(ramrod, 0, sizeof(*ramrod)); |
| 1220 | |
| 1221 | /* Prepare ramrod parameters */ |
| 1222 | ramrod->cid = vfq->cid; |
| 1223 | ramrod->cl_id = vfq_cl_id(vf, vfq); |
| 1224 | ramrod->rx_mode_obj = &bp->rx_mode_obj; |
| 1225 | ramrod->func_id = FW_VF_HANDLE(vf->abs_vfid); |
| 1226 | |
| 1227 | ramrod->rx_accept_flags = accept_flags; |
| 1228 | ramrod->tx_accept_flags = accept_flags; |
| 1229 | ramrod->pstate = &vf->filter_state; |
| 1230 | ramrod->state = BNX2X_FILTER_RX_MODE_PENDING; |
| 1231 | |
| 1232 | set_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state); |
| 1233 | set_bit(RAMROD_RX, &ramrod->ramrod_flags); |
| 1234 | set_bit(RAMROD_TX, &ramrod->ramrod_flags); |
| 1235 | |
| 1236 | ramrod->rdata = |
| 1237 | bnx2x_vf_sp(bp, vf, rx_mode_rdata.e2); |
| 1238 | ramrod->rdata_mapping = |
| 1239 | bnx2x_vf_sp_map(bp, vf, rx_mode_rdata.e2); |
| 1240 | |
| 1241 | bnx2x_vfop_opset(BNX2X_VFOP_RXMODE_CONFIG, |
| 1242 | bnx2x_vfop_rxmode, cmd->done); |
| 1243 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_rxmode, |
| 1244 | cmd->block); |
| 1245 | } |
| 1246 | return -ENOMEM; |
| 1247 | } |
| 1248 | |
Ariel Elior | 463a68a | 2013-01-01 05:22:39 +0000 | [diff] [blame] | 1249 | /* VFOP queue tear-down ('drop all' rx-mode, clear vlans, clear macs, |
| 1250 | * queue destructor) |
| 1251 | */ |
| 1252 | static void bnx2x_vfop_qdown(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1253 | { |
| 1254 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 1255 | int qid = vfop->args.qx.qid; |
| 1256 | enum bnx2x_vfop_qteardown_state state = vfop->state; |
| 1257 | struct bnx2x_vfop_cmd cmd; |
| 1258 | |
| 1259 | if (vfop->rc < 0) |
| 1260 | goto op_err; |
| 1261 | |
| 1262 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 1263 | |
| 1264 | cmd.done = bnx2x_vfop_qdown; |
| 1265 | cmd.block = false; |
| 1266 | |
| 1267 | switch (state) { |
| 1268 | case BNX2X_VFOP_QTEARDOWN_RXMODE: |
| 1269 | /* Drop all */ |
| 1270 | vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_VLAN; |
| 1271 | vfop->rc = bnx2x_vfop_rxmode_cmd(bp, vf, &cmd, qid, 0); |
| 1272 | if (vfop->rc) |
| 1273 | goto op_err; |
| 1274 | return; |
| 1275 | |
| 1276 | case BNX2X_VFOP_QTEARDOWN_CLR_VLAN: |
| 1277 | /* vlan-clear-all: don't consume credit */ |
| 1278 | vfop->state = BNX2X_VFOP_QTEARDOWN_CLR_MAC; |
| 1279 | vfop->rc = bnx2x_vfop_vlan_delall_cmd(bp, vf, &cmd, qid, false); |
| 1280 | if (vfop->rc) |
| 1281 | goto op_err; |
| 1282 | return; |
| 1283 | |
| 1284 | case BNX2X_VFOP_QTEARDOWN_CLR_MAC: |
| 1285 | /* mac-clear-all: consume credit */ |
| 1286 | vfop->state = BNX2X_VFOP_QTEARDOWN_QDTOR; |
| 1287 | vfop->rc = bnx2x_vfop_mac_delall_cmd(bp, vf, &cmd, qid, false); |
| 1288 | if (vfop->rc) |
| 1289 | goto op_err; |
| 1290 | return; |
| 1291 | |
| 1292 | case BNX2X_VFOP_QTEARDOWN_QDTOR: |
| 1293 | /* run the queue destruction flow */ |
| 1294 | DP(BNX2X_MSG_IOV, "case: BNX2X_VFOP_QTEARDOWN_QDTOR\n"); |
| 1295 | vfop->state = BNX2X_VFOP_QTEARDOWN_DONE; |
| 1296 | DP(BNX2X_MSG_IOV, "new state: BNX2X_VFOP_QTEARDOWN_DONE\n"); |
| 1297 | vfop->rc = bnx2x_vfop_qdtor_cmd(bp, vf, &cmd, qid); |
| 1298 | DP(BNX2X_MSG_IOV, "returned from cmd\n"); |
| 1299 | if (vfop->rc) |
| 1300 | goto op_err; |
| 1301 | return; |
| 1302 | op_err: |
| 1303 | BNX2X_ERR("QTEARDOWN[%d:%d] error: rc %d\n", |
| 1304 | vf->abs_vfid, qid, vfop->rc); |
| 1305 | |
| 1306 | case BNX2X_VFOP_QTEARDOWN_DONE: |
| 1307 | bnx2x_vfop_end(bp, vf, vfop); |
| 1308 | return; |
| 1309 | default: |
| 1310 | bnx2x_vfop_default(state); |
| 1311 | } |
| 1312 | } |
| 1313 | |
| 1314 | int bnx2x_vfop_qdown_cmd(struct bnx2x *bp, |
| 1315 | struct bnx2x_virtf *vf, |
| 1316 | struct bnx2x_vfop_cmd *cmd, |
| 1317 | int qid) |
| 1318 | { |
| 1319 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 1320 | |
| 1321 | if (vfop) { |
| 1322 | vfop->args.qx.qid = qid; |
| 1323 | bnx2x_vfop_opset(BNX2X_VFOP_QTEARDOWN_RXMODE, |
| 1324 | bnx2x_vfop_qdown, cmd->done); |
| 1325 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_qdown, |
| 1326 | cmd->block); |
| 1327 | } |
| 1328 | |
| 1329 | return -ENOMEM; |
| 1330 | } |
| 1331 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1332 | /* VF enable primitives |
| 1333 | * when pretend is required the caller is responsible |
| 1334 | * for calling pretend prior to calling these routines |
| 1335 | */ |
| 1336 | |
| 1337 | /* called only on E1H or E2. |
| 1338 | * When pretending to be PF, the pretend value is the function number 0...7 |
| 1339 | * When pretending to be VF, the pretend val is the PF-num:VF-valid:ABS-VFID |
| 1340 | * combination |
| 1341 | */ |
| 1342 | int bnx2x_pretend_func(struct bnx2x *bp, u16 pretend_func_val) |
| 1343 | { |
| 1344 | u32 pretend_reg; |
| 1345 | |
| 1346 | if (CHIP_IS_E1H(bp) && pretend_func_val > E1H_FUNC_MAX) |
| 1347 | return -1; |
| 1348 | |
| 1349 | /* get my own pretend register */ |
| 1350 | pretend_reg = bnx2x_get_pretend_reg(bp); |
| 1351 | REG_WR(bp, pretend_reg, pretend_func_val); |
| 1352 | REG_RD(bp, pretend_reg); |
| 1353 | return 0; |
| 1354 | } |
| 1355 | |
| 1356 | /* internal vf enable - until vf is enabled internally all transactions |
| 1357 | * are blocked. this routine should always be called last with pretend. |
| 1358 | */ |
| 1359 | static void bnx2x_vf_enable_internal(struct bnx2x *bp, u8 enable) |
| 1360 | { |
| 1361 | REG_WR(bp, PGLUE_B_REG_INTERNAL_VFID_ENABLE, enable ? 1 : 0); |
| 1362 | } |
| 1363 | |
| 1364 | /* clears vf error in all semi blocks */ |
| 1365 | static void bnx2x_vf_semi_clear_err(struct bnx2x *bp, u8 abs_vfid) |
| 1366 | { |
| 1367 | REG_WR(bp, TSEM_REG_VFPF_ERR_NUM, abs_vfid); |
| 1368 | REG_WR(bp, USEM_REG_VFPF_ERR_NUM, abs_vfid); |
| 1369 | REG_WR(bp, CSEM_REG_VFPF_ERR_NUM, abs_vfid); |
| 1370 | REG_WR(bp, XSEM_REG_VFPF_ERR_NUM, abs_vfid); |
| 1371 | } |
| 1372 | |
| 1373 | static void bnx2x_vf_pglue_clear_err(struct bnx2x *bp, u8 abs_vfid) |
| 1374 | { |
| 1375 | u32 was_err_group = (2 * BP_PATH(bp) + abs_vfid) >> 5; |
| 1376 | u32 was_err_reg = 0; |
| 1377 | |
| 1378 | switch (was_err_group) { |
| 1379 | case 0: |
| 1380 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_31_0_CLR; |
| 1381 | break; |
| 1382 | case 1: |
| 1383 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_63_32_CLR; |
| 1384 | break; |
| 1385 | case 2: |
| 1386 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_95_64_CLR; |
| 1387 | break; |
| 1388 | case 3: |
| 1389 | was_err_reg = PGLUE_B_REG_WAS_ERROR_VF_127_96_CLR; |
| 1390 | break; |
| 1391 | } |
| 1392 | REG_WR(bp, was_err_reg, 1 << (abs_vfid & 0x1f)); |
| 1393 | } |
| 1394 | |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 1395 | static void bnx2x_vf_igu_reset(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1396 | { |
| 1397 | int i; |
| 1398 | u32 val; |
| 1399 | |
| 1400 | /* Set VF masks and configuration - pretend */ |
| 1401 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); |
| 1402 | |
| 1403 | REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_LSB, 0); |
| 1404 | REG_WR(bp, IGU_REG_SB_INT_BEFORE_MASK_MSB, 0); |
| 1405 | REG_WR(bp, IGU_REG_SB_MASK_LSB, 0); |
| 1406 | REG_WR(bp, IGU_REG_SB_MASK_MSB, 0); |
| 1407 | REG_WR(bp, IGU_REG_PBA_STATUS_LSB, 0); |
| 1408 | REG_WR(bp, IGU_REG_PBA_STATUS_MSB, 0); |
| 1409 | |
| 1410 | val = REG_RD(bp, IGU_REG_VF_CONFIGURATION); |
| 1411 | val |= (IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_MSI_MSIX_EN); |
| 1412 | if (vf->cfg_flags & VF_CFG_INT_SIMD) |
| 1413 | val |= IGU_VF_CONF_SINGLE_ISR_EN; |
| 1414 | val &= ~IGU_VF_CONF_PARENT_MASK; |
| 1415 | val |= BP_FUNC(bp) << IGU_VF_CONF_PARENT_SHIFT; /* parent PF */ |
| 1416 | REG_WR(bp, IGU_REG_VF_CONFIGURATION, val); |
| 1417 | |
| 1418 | DP(BNX2X_MSG_IOV, |
| 1419 | "value in IGU_REG_VF_CONFIGURATION of vf %d after write %x\n", |
| 1420 | vf->abs_vfid, REG_RD(bp, IGU_REG_VF_CONFIGURATION)); |
| 1421 | |
| 1422 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| 1423 | |
| 1424 | /* iterate over all queues, clear sb consumer */ |
| 1425 | for (i = 0; i < vf_sb_count(vf); i++) { |
| 1426 | u8 igu_sb_id = vf_igu_sb(vf, i); |
| 1427 | |
| 1428 | /* zero prod memory */ |
| 1429 | REG_WR(bp, IGU_REG_PROD_CONS_MEMORY + igu_sb_id * 4, 0); |
| 1430 | |
| 1431 | /* clear sb state machine */ |
| 1432 | bnx2x_igu_clear_sb_gen(bp, vf->abs_vfid, igu_sb_id, |
| 1433 | false /* VF */); |
| 1434 | |
| 1435 | /* disable + update */ |
| 1436 | bnx2x_vf_igu_ack_sb(bp, vf, igu_sb_id, USTORM_ID, 0, |
| 1437 | IGU_INT_DISABLE, 1); |
| 1438 | } |
| 1439 | } |
| 1440 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1441 | void bnx2x_vf_enable_access(struct bnx2x *bp, u8 abs_vfid) |
| 1442 | { |
| 1443 | /* set the VF-PF association in the FW */ |
| 1444 | storm_memset_vf_to_pf(bp, FW_VF_HANDLE(abs_vfid), BP_FUNC(bp)); |
| 1445 | storm_memset_func_en(bp, FW_VF_HANDLE(abs_vfid), 1); |
| 1446 | |
| 1447 | /* clear vf errors*/ |
| 1448 | bnx2x_vf_semi_clear_err(bp, abs_vfid); |
| 1449 | bnx2x_vf_pglue_clear_err(bp, abs_vfid); |
| 1450 | |
| 1451 | /* internal vf-enable - pretend */ |
| 1452 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, abs_vfid)); |
| 1453 | DP(BNX2X_MSG_IOV, "enabling internal access for vf %x\n", abs_vfid); |
| 1454 | bnx2x_vf_enable_internal(bp, true); |
| 1455 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| 1456 | } |
| 1457 | |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 1458 | static void bnx2x_vf_enable_traffic(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1459 | { |
| 1460 | /* Reset vf in IGU interrupts are still disabled */ |
| 1461 | bnx2x_vf_igu_reset(bp, vf); |
| 1462 | |
| 1463 | /* pretend to enable the vf with the PBF */ |
| 1464 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); |
| 1465 | REG_WR(bp, PBF_REG_DISABLE_VF, 0); |
| 1466 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| 1467 | } |
| 1468 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1469 | static u8 bnx2x_vf_is_pcie_pending(struct bnx2x *bp, u8 abs_vfid) |
| 1470 | { |
| 1471 | struct pci_dev *dev; |
| 1472 | struct bnx2x_virtf *vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); |
| 1473 | |
| 1474 | if (!vf) |
| 1475 | goto unknown_dev; |
| 1476 | |
| 1477 | dev = pci_get_bus_and_slot(vf->bus, vf->devfn); |
| 1478 | if (dev) |
| 1479 | return bnx2x_is_pcie_pending(dev); |
| 1480 | |
| 1481 | unknown_dev: |
| 1482 | BNX2X_ERR("Unknown device\n"); |
| 1483 | return false; |
| 1484 | } |
| 1485 | |
| 1486 | int bnx2x_vf_flr_clnup_epilog(struct bnx2x *bp, u8 abs_vfid) |
| 1487 | { |
| 1488 | /* Wait 100ms */ |
| 1489 | msleep(100); |
| 1490 | |
| 1491 | /* Verify no pending pci transactions */ |
| 1492 | if (bnx2x_vf_is_pcie_pending(bp, abs_vfid)) |
| 1493 | BNX2X_ERR("PCIE Transactions still pending\n"); |
| 1494 | |
| 1495 | return 0; |
| 1496 | } |
| 1497 | |
| 1498 | /* must be called after the number of PF queues and the number of VFs are |
| 1499 | * both known |
| 1500 | */ |
| 1501 | static void |
| 1502 | bnx2x_iov_static_resc(struct bnx2x *bp, struct vf_pf_resc_request *resc) |
| 1503 | { |
| 1504 | u16 vlan_count = 0; |
| 1505 | |
| 1506 | /* will be set only during VF-ACQUIRE */ |
| 1507 | resc->num_rxqs = 0; |
| 1508 | resc->num_txqs = 0; |
| 1509 | |
| 1510 | /* no credit calculcis for macs (just yet) */ |
| 1511 | resc->num_mac_filters = 1; |
| 1512 | |
| 1513 | /* divvy up vlan rules */ |
| 1514 | vlan_count = bp->vlans_pool.check(&bp->vlans_pool); |
| 1515 | vlan_count = 1 << ilog2(vlan_count); |
| 1516 | resc->num_vlan_filters = vlan_count / BNX2X_NR_VIRTFN(bp); |
| 1517 | |
| 1518 | /* no real limitation */ |
| 1519 | resc->num_mc_filters = 0; |
| 1520 | |
| 1521 | /* num_sbs already set */ |
| 1522 | } |
| 1523 | |
Ariel Elior | f1929b0 | 2013-01-01 05:22:41 +0000 | [diff] [blame] | 1524 | /* FLR routines: */ |
| 1525 | static void bnx2x_vf_free_resc(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1526 | { |
| 1527 | /* reset the state variables */ |
| 1528 | bnx2x_iov_static_resc(bp, &vf->alloc_resc); |
| 1529 | vf->state = VF_FREE; |
| 1530 | } |
| 1531 | |
Ariel Elior | d16132c | 2013-01-01 05:22:42 +0000 | [diff] [blame] | 1532 | static void bnx2x_vf_flr_clnup_hw(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1533 | { |
| 1534 | u32 poll_cnt = bnx2x_flr_clnup_poll_count(bp); |
| 1535 | |
| 1536 | /* DQ usage counter */ |
| 1537 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); |
| 1538 | bnx2x_flr_clnup_poll_hw_counter(bp, DORQ_REG_VF_USAGE_CNT, |
| 1539 | "DQ VF usage counter timed out", |
| 1540 | poll_cnt); |
| 1541 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| 1542 | |
| 1543 | /* FW cleanup command - poll for the results */ |
| 1544 | if (bnx2x_send_final_clnup(bp, (u8)FW_VF_HANDLE(vf->abs_vfid), |
| 1545 | poll_cnt)) |
| 1546 | BNX2X_ERR("VF[%d] Final cleanup timed-out\n", vf->abs_vfid); |
| 1547 | |
| 1548 | /* verify TX hw is flushed */ |
| 1549 | bnx2x_tx_hw_flushed(bp, poll_cnt); |
| 1550 | } |
| 1551 | |
| 1552 | static void bnx2x_vfop_flr(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1553 | { |
| 1554 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 1555 | struct bnx2x_vfop_args_qx *qx = &vfop->args.qx; |
| 1556 | enum bnx2x_vfop_flr_state state = vfop->state; |
| 1557 | struct bnx2x_vfop_cmd cmd = { |
| 1558 | .done = bnx2x_vfop_flr, |
| 1559 | .block = false, |
| 1560 | }; |
| 1561 | |
| 1562 | if (vfop->rc < 0) |
| 1563 | goto op_err; |
| 1564 | |
| 1565 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 1566 | |
| 1567 | switch (state) { |
| 1568 | case BNX2X_VFOP_FLR_QUEUES: |
| 1569 | /* the cleanup operations are valid if and only if the VF |
| 1570 | * was first acquired. |
| 1571 | */ |
| 1572 | if (++(qx->qid) < vf_rxq_count(vf)) { |
| 1573 | vfop->rc = bnx2x_vfop_qflr_cmd(bp, vf, &cmd, |
| 1574 | qx->qid); |
| 1575 | if (vfop->rc) |
| 1576 | goto op_err; |
| 1577 | return; |
| 1578 | } |
| 1579 | /* remove multicasts */ |
| 1580 | vfop->state = BNX2X_VFOP_FLR_HW; |
| 1581 | vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, |
| 1582 | 0, true); |
| 1583 | if (vfop->rc) |
| 1584 | goto op_err; |
| 1585 | return; |
| 1586 | case BNX2X_VFOP_FLR_HW: |
| 1587 | |
| 1588 | /* dispatch final cleanup and wait for HW queues to flush */ |
| 1589 | bnx2x_vf_flr_clnup_hw(bp, vf); |
| 1590 | |
| 1591 | /* release VF resources */ |
| 1592 | bnx2x_vf_free_resc(bp, vf); |
| 1593 | |
| 1594 | /* re-open the mailbox */ |
| 1595 | bnx2x_vf_enable_mbx(bp, vf->abs_vfid); |
| 1596 | |
| 1597 | goto op_done; |
| 1598 | default: |
| 1599 | bnx2x_vfop_default(state); |
| 1600 | } |
| 1601 | op_err: |
| 1602 | BNX2X_ERR("VF[%d] FLR error: rc %d\n", vf->abs_vfid, vfop->rc); |
| 1603 | op_done: |
| 1604 | vf->flr_clnup_stage = VF_FLR_ACK; |
| 1605 | bnx2x_vfop_end(bp, vf, vfop); |
| 1606 | bnx2x_unlock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR); |
| 1607 | } |
| 1608 | |
| 1609 | static int bnx2x_vfop_flr_cmd(struct bnx2x *bp, |
| 1610 | struct bnx2x_virtf *vf, |
| 1611 | vfop_handler_t done) |
| 1612 | { |
| 1613 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 1614 | if (vfop) { |
| 1615 | vfop->args.qx.qid = -1; /* loop */ |
| 1616 | bnx2x_vfop_opset(BNX2X_VFOP_FLR_QUEUES, |
| 1617 | bnx2x_vfop_flr, done); |
| 1618 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_flr, false); |
| 1619 | } |
| 1620 | return -ENOMEM; |
| 1621 | } |
| 1622 | |
| 1623 | static void bnx2x_vf_flr_clnup(struct bnx2x *bp, struct bnx2x_virtf *prev_vf) |
| 1624 | { |
| 1625 | int i = prev_vf ? prev_vf->index + 1 : 0; |
| 1626 | struct bnx2x_virtf *vf; |
| 1627 | |
| 1628 | /* find next VF to cleanup */ |
| 1629 | next_vf_to_clean: |
| 1630 | for (; |
| 1631 | i < BNX2X_NR_VIRTFN(bp) && |
| 1632 | (bnx2x_vf(bp, i, state) != VF_RESET || |
| 1633 | bnx2x_vf(bp, i, flr_clnup_stage) != VF_FLR_CLN); |
| 1634 | i++) |
| 1635 | ; |
| 1636 | |
| 1637 | DP(BNX2X_MSG_IOV, "next vf to cleanup: %d. num of vfs: %d\n", i, |
| 1638 | BNX2X_NR_VIRTFN(bp)); |
| 1639 | |
| 1640 | if (i < BNX2X_NR_VIRTFN(bp)) { |
| 1641 | vf = BP_VF(bp, i); |
| 1642 | |
| 1643 | /* lock the vf pf channel */ |
| 1644 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_FLR); |
| 1645 | |
| 1646 | /* invoke the VF FLR SM */ |
| 1647 | if (bnx2x_vfop_flr_cmd(bp, vf, bnx2x_vf_flr_clnup)) { |
| 1648 | BNX2X_ERR("VF[%d]: FLR cleanup failed -ENOMEM\n", |
| 1649 | vf->abs_vfid); |
| 1650 | |
| 1651 | /* mark the VF to be ACKED and continue */ |
| 1652 | vf->flr_clnup_stage = VF_FLR_ACK; |
| 1653 | goto next_vf_to_clean; |
| 1654 | } |
| 1655 | return; |
| 1656 | } |
| 1657 | |
| 1658 | /* we are done, update vf records */ |
| 1659 | for_each_vf(bp, i) { |
| 1660 | vf = BP_VF(bp, i); |
| 1661 | |
| 1662 | if (vf->flr_clnup_stage != VF_FLR_ACK) |
| 1663 | continue; |
| 1664 | |
| 1665 | vf->flr_clnup_stage = VF_FLR_EPILOG; |
| 1666 | } |
| 1667 | |
| 1668 | /* Acknowledge the handled VFs. |
| 1669 | * we are acknowledge all the vfs which an flr was requested for, even |
| 1670 | * if amongst them there are such that we never opened, since the mcp |
| 1671 | * will interrupt us immediately again if we only ack some of the bits, |
| 1672 | * resulting in an endless loop. This can happen for example in KVM |
| 1673 | * where an 'all ones' flr request is sometimes given by hyper visor |
| 1674 | */ |
| 1675 | DP(BNX2X_MSG_MCP, "DRV_STATUS_VF_DISABLED ACK for vfs 0x%x 0x%x\n", |
| 1676 | bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]); |
| 1677 | for (i = 0; i < FLRD_VFS_DWORDS; i++) |
| 1678 | SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], |
| 1679 | bp->vfdb->flrd_vfs[i]); |
| 1680 | |
| 1681 | bnx2x_fw_command(bp, DRV_MSG_CODE_VF_DISABLED_DONE, 0); |
| 1682 | |
| 1683 | /* clear the acked bits - better yet if the MCP implemented |
| 1684 | * write to clear semantics |
| 1685 | */ |
| 1686 | for (i = 0; i < FLRD_VFS_DWORDS; i++) |
| 1687 | SHMEM2_WR(bp, drv_ack_vf_disabled[BP_FW_MB_IDX(bp)][i], 0); |
| 1688 | } |
| 1689 | |
| 1690 | void bnx2x_vf_handle_flr_event(struct bnx2x *bp) |
| 1691 | { |
| 1692 | int i; |
| 1693 | |
| 1694 | /* Read FLR'd VFs */ |
| 1695 | for (i = 0; i < FLRD_VFS_DWORDS; i++) |
| 1696 | bp->vfdb->flrd_vfs[i] = SHMEM2_RD(bp, mcp_vf_disabled[i]); |
| 1697 | |
| 1698 | DP(BNX2X_MSG_MCP, |
| 1699 | "DRV_STATUS_VF_DISABLED received for vfs 0x%x 0x%x\n", |
| 1700 | bp->vfdb->flrd_vfs[0], bp->vfdb->flrd_vfs[1]); |
| 1701 | |
| 1702 | for_each_vf(bp, i) { |
| 1703 | struct bnx2x_virtf *vf = BP_VF(bp, i); |
| 1704 | u32 reset = 0; |
| 1705 | |
| 1706 | if (vf->abs_vfid < 32) |
| 1707 | reset = bp->vfdb->flrd_vfs[0] & (1 << vf->abs_vfid); |
| 1708 | else |
| 1709 | reset = bp->vfdb->flrd_vfs[1] & |
| 1710 | (1 << (vf->abs_vfid - 32)); |
| 1711 | |
| 1712 | if (reset) { |
| 1713 | /* set as reset and ready for cleanup */ |
| 1714 | vf->state = VF_RESET; |
| 1715 | vf->flr_clnup_stage = VF_FLR_CLN; |
| 1716 | |
| 1717 | DP(BNX2X_MSG_IOV, |
| 1718 | "Initiating Final cleanup for VF %d\n", |
| 1719 | vf->abs_vfid); |
| 1720 | } |
| 1721 | } |
| 1722 | |
| 1723 | /* do the FLR cleanup for all marked VFs*/ |
| 1724 | bnx2x_vf_flr_clnup(bp, NULL); |
| 1725 | } |
| 1726 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 1727 | /* IOV global initialization routines */ |
| 1728 | void bnx2x_iov_init_dq(struct bnx2x *bp) |
| 1729 | { |
| 1730 | if (!IS_SRIOV(bp)) |
| 1731 | return; |
| 1732 | |
| 1733 | /* Set the DQ such that the CID reflect the abs_vfid */ |
| 1734 | REG_WR(bp, DORQ_REG_VF_NORM_VF_BASE, 0); |
| 1735 | REG_WR(bp, DORQ_REG_MAX_RVFID_SIZE, ilog2(BNX2X_MAX_NUM_OF_VFS)); |
| 1736 | |
| 1737 | /* Set VFs starting CID. If its > 0 the preceding CIDs are belong to |
| 1738 | * the PF L2 queues |
| 1739 | */ |
| 1740 | REG_WR(bp, DORQ_REG_VF_NORM_CID_BASE, BNX2X_FIRST_VF_CID); |
| 1741 | |
| 1742 | /* The VF window size is the log2 of the max number of CIDs per VF */ |
| 1743 | REG_WR(bp, DORQ_REG_VF_NORM_CID_WND_SIZE, BNX2X_VF_CID_WND); |
| 1744 | |
| 1745 | /* The VF doorbell size 0 - *B, 4 - 128B. We set it here to match |
| 1746 | * the Pf doorbell size although the 2 are independent. |
| 1747 | */ |
| 1748 | REG_WR(bp, DORQ_REG_VF_NORM_CID_OFST, |
| 1749 | BNX2X_DB_SHIFT - BNX2X_DB_MIN_SHIFT); |
| 1750 | |
| 1751 | /* No security checks for now - |
| 1752 | * configure single rule (out of 16) mask = 0x1, value = 0x0, |
| 1753 | * CID range 0 - 0x1ffff |
| 1754 | */ |
| 1755 | REG_WR(bp, DORQ_REG_VF_TYPE_MASK_0, 1); |
| 1756 | REG_WR(bp, DORQ_REG_VF_TYPE_VALUE_0, 0); |
| 1757 | REG_WR(bp, DORQ_REG_VF_TYPE_MIN_MCID_0, 0); |
| 1758 | REG_WR(bp, DORQ_REG_VF_TYPE_MAX_MCID_0, 0x1ffff); |
| 1759 | |
| 1760 | /* set the number of VF alllowed doorbells to the full DQ range */ |
| 1761 | REG_WR(bp, DORQ_REG_VF_NORM_MAX_CID_COUNT, 0x20000); |
| 1762 | |
| 1763 | /* set the VF doorbell threshold */ |
| 1764 | REG_WR(bp, DORQ_REG_VF_USAGE_CT_LIMIT, 4); |
| 1765 | } |
| 1766 | |
| 1767 | void bnx2x_iov_init_dmae(struct bnx2x *bp) |
| 1768 | { |
| 1769 | DP(BNX2X_MSG_IOV, "SRIOV is %s\n", IS_SRIOV(bp) ? "ON" : "OFF"); |
| 1770 | if (!IS_SRIOV(bp)) |
| 1771 | return; |
| 1772 | |
| 1773 | REG_WR(bp, DMAE_REG_BACKWARD_COMP_EN, 0); |
| 1774 | } |
| 1775 | |
| 1776 | static int bnx2x_vf_bus(struct bnx2x *bp, int vfid) |
| 1777 | { |
| 1778 | struct pci_dev *dev = bp->pdev; |
| 1779 | struct bnx2x_sriov *iov = &bp->vfdb->sriov; |
| 1780 | |
| 1781 | return dev->bus->number + ((dev->devfn + iov->offset + |
| 1782 | iov->stride * vfid) >> 8); |
| 1783 | } |
| 1784 | |
| 1785 | static int bnx2x_vf_devfn(struct bnx2x *bp, int vfid) |
| 1786 | { |
| 1787 | struct pci_dev *dev = bp->pdev; |
| 1788 | struct bnx2x_sriov *iov = &bp->vfdb->sriov; |
| 1789 | |
| 1790 | return (dev->devfn + iov->offset + iov->stride * vfid) & 0xff; |
| 1791 | } |
| 1792 | |
| 1793 | static void bnx2x_vf_set_bars(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 1794 | { |
| 1795 | int i, n; |
| 1796 | struct pci_dev *dev = bp->pdev; |
| 1797 | struct bnx2x_sriov *iov = &bp->vfdb->sriov; |
| 1798 | |
| 1799 | for (i = 0, n = 0; i < PCI_SRIOV_NUM_BARS; i += 2, n++) { |
| 1800 | u64 start = pci_resource_start(dev, PCI_IOV_RESOURCES + i); |
| 1801 | u32 size = pci_resource_len(dev, PCI_IOV_RESOURCES + i); |
| 1802 | |
| 1803 | do_div(size, iov->total); |
| 1804 | vf->bars[n].bar = start + size * vf->abs_vfid; |
| 1805 | vf->bars[n].size = size; |
| 1806 | } |
| 1807 | } |
| 1808 | |
Ariel Elior | 8db573b | 2013-01-01 05:22:37 +0000 | [diff] [blame] | 1809 | static int bnx2x_ari_enabled(struct pci_dev *dev) |
| 1810 | { |
| 1811 | return dev->bus->self && dev->bus->self->ari_enabled; |
| 1812 | } |
| 1813 | |
| 1814 | static void |
| 1815 | bnx2x_get_vf_igu_cam_info(struct bnx2x *bp) |
| 1816 | { |
| 1817 | int sb_id; |
| 1818 | u32 val; |
| 1819 | u8 fid; |
| 1820 | |
| 1821 | /* IGU in normal mode - read CAM */ |
| 1822 | for (sb_id = 0; sb_id < IGU_REG_MAPPING_MEMORY_SIZE; sb_id++) { |
| 1823 | val = REG_RD(bp, IGU_REG_MAPPING_MEMORY + sb_id * 4); |
| 1824 | if (!(val & IGU_REG_MAPPING_MEMORY_VALID)) |
| 1825 | continue; |
| 1826 | fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID); |
| 1827 | if (!(fid & IGU_FID_ENCODE_IS_PF)) |
| 1828 | bnx2x_vf_set_igu_info(bp, sb_id, |
| 1829 | (fid & IGU_FID_VF_NUM_MASK)); |
| 1830 | |
| 1831 | DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n", |
| 1832 | ((fid & IGU_FID_ENCODE_IS_PF) ? "PF" : "VF"), |
| 1833 | ((fid & IGU_FID_ENCODE_IS_PF) ? (fid & IGU_FID_PF_NUM_MASK) : |
| 1834 | (fid & IGU_FID_VF_NUM_MASK)), sb_id, |
| 1835 | GET_FIELD((val), IGU_REG_MAPPING_MEMORY_VECTOR)); |
| 1836 | } |
| 1837 | } |
| 1838 | |
| 1839 | static void __bnx2x_iov_free_vfdb(struct bnx2x *bp) |
| 1840 | { |
| 1841 | if (bp->vfdb) { |
| 1842 | kfree(bp->vfdb->vfqs); |
| 1843 | kfree(bp->vfdb->vfs); |
| 1844 | kfree(bp->vfdb); |
| 1845 | } |
| 1846 | bp->vfdb = NULL; |
| 1847 | } |
| 1848 | |
| 1849 | static int bnx2x_sriov_pci_cfg_info(struct bnx2x *bp, struct bnx2x_sriov *iov) |
| 1850 | { |
| 1851 | int pos; |
| 1852 | struct pci_dev *dev = bp->pdev; |
| 1853 | |
| 1854 | pos = pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV); |
| 1855 | if (!pos) { |
| 1856 | BNX2X_ERR("failed to find SRIOV capability in device\n"); |
| 1857 | return -ENODEV; |
| 1858 | } |
| 1859 | |
| 1860 | iov->pos = pos; |
| 1861 | DP(BNX2X_MSG_IOV, "sriov ext pos %d\n", pos); |
| 1862 | pci_read_config_word(dev, pos + PCI_SRIOV_CTRL, &iov->ctrl); |
| 1863 | pci_read_config_word(dev, pos + PCI_SRIOV_TOTAL_VF, &iov->total); |
| 1864 | pci_read_config_word(dev, pos + PCI_SRIOV_INITIAL_VF, &iov->initial); |
| 1865 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_OFFSET, &iov->offset); |
| 1866 | pci_read_config_word(dev, pos + PCI_SRIOV_VF_STRIDE, &iov->stride); |
| 1867 | pci_read_config_dword(dev, pos + PCI_SRIOV_SUP_PGSIZE, &iov->pgsz); |
| 1868 | pci_read_config_dword(dev, pos + PCI_SRIOV_CAP, &iov->cap); |
| 1869 | pci_read_config_byte(dev, pos + PCI_SRIOV_FUNC_LINK, &iov->link); |
| 1870 | |
| 1871 | return 0; |
| 1872 | } |
| 1873 | |
| 1874 | static int bnx2x_sriov_info(struct bnx2x *bp, struct bnx2x_sriov *iov) |
| 1875 | { |
| 1876 | u32 val; |
| 1877 | |
| 1878 | /* read the SRIOV capability structure |
| 1879 | * The fields can be read via configuration read or |
| 1880 | * directly from the device (starting at offset PCICFG_OFFSET) |
| 1881 | */ |
| 1882 | if (bnx2x_sriov_pci_cfg_info(bp, iov)) |
| 1883 | return -ENODEV; |
| 1884 | |
| 1885 | /* get the number of SRIOV bars */ |
| 1886 | iov->nres = 0; |
| 1887 | |
| 1888 | /* read the first_vfid */ |
| 1889 | val = REG_RD(bp, PCICFG_OFFSET + GRC_CONFIG_REG_PF_INIT_VF); |
| 1890 | iov->first_vf_in_pf = ((val & GRC_CR_PF_INIT_VF_PF_FIRST_VF_NUM_MASK) |
| 1891 | * 8) - (BNX2X_MAX_NUM_OF_VFS * BP_PATH(bp)); |
| 1892 | |
| 1893 | DP(BNX2X_MSG_IOV, |
| 1894 | "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", |
| 1895 | BP_FUNC(bp), |
| 1896 | iov->first_vf_in_pf, iov->nres, iov->cap, iov->ctrl, iov->total, |
| 1897 | iov->initial, iov->nr_virtfn, iov->offset, iov->stride, iov->pgsz); |
| 1898 | |
| 1899 | return 0; |
| 1900 | } |
| 1901 | |
| 1902 | static u8 bnx2x_iov_get_max_queue_count(struct bnx2x *bp) |
| 1903 | { |
| 1904 | int i; |
| 1905 | u8 queue_count = 0; |
| 1906 | |
| 1907 | if (IS_SRIOV(bp)) |
| 1908 | for_each_vf(bp, i) |
| 1909 | queue_count += bnx2x_vf(bp, i, alloc_resc.num_sbs); |
| 1910 | |
| 1911 | return queue_count; |
| 1912 | } |
| 1913 | |
| 1914 | /* must be called after PF bars are mapped */ |
| 1915 | int bnx2x_iov_init_one(struct bnx2x *bp, int int_mode_param, |
| 1916 | int num_vfs_param) |
| 1917 | { |
| 1918 | int err, i, qcount; |
| 1919 | struct bnx2x_sriov *iov; |
| 1920 | struct pci_dev *dev = bp->pdev; |
| 1921 | |
| 1922 | bp->vfdb = NULL; |
| 1923 | |
| 1924 | /* verify is pf */ |
| 1925 | if (IS_VF(bp)) |
| 1926 | return 0; |
| 1927 | |
| 1928 | /* verify sriov capability is present in configuration space */ |
| 1929 | if (!pci_find_ext_capability(dev, PCI_EXT_CAP_ID_SRIOV)) |
| 1930 | return 0; |
| 1931 | |
| 1932 | /* verify chip revision */ |
| 1933 | if (CHIP_IS_E1x(bp)) |
| 1934 | return 0; |
| 1935 | |
| 1936 | /* check if SRIOV support is turned off */ |
| 1937 | if (!num_vfs_param) |
| 1938 | return 0; |
| 1939 | |
| 1940 | /* SRIOV assumes that num of PF CIDs < BNX2X_FIRST_VF_CID */ |
| 1941 | if (BNX2X_L2_MAX_CID(bp) >= BNX2X_FIRST_VF_CID) { |
| 1942 | BNX2X_ERR("PF cids %d are overspilling into vf space (starts at %d). Abort SRIOV\n", |
| 1943 | BNX2X_L2_MAX_CID(bp), BNX2X_FIRST_VF_CID); |
| 1944 | return 0; |
| 1945 | } |
| 1946 | |
| 1947 | /* SRIOV can be enabled only with MSIX */ |
| 1948 | if (int_mode_param == BNX2X_INT_MODE_MSI || |
| 1949 | int_mode_param == BNX2X_INT_MODE_INTX) |
| 1950 | BNX2X_ERR("Forced MSI/INTx mode is incompatible with SRIOV\n"); |
| 1951 | |
| 1952 | err = -EIO; |
| 1953 | /* verify ari is enabled */ |
| 1954 | if (!bnx2x_ari_enabled(bp->pdev)) { |
| 1955 | BNX2X_ERR("ARI not supported, SRIOV can not be enabled\n"); |
| 1956 | return err; |
| 1957 | } |
| 1958 | |
| 1959 | /* verify igu is in normal mode */ |
| 1960 | if (CHIP_INT_MODE_IS_BC(bp)) { |
| 1961 | BNX2X_ERR("IGU not normal mode, SRIOV can not be enabled\n"); |
| 1962 | return err; |
| 1963 | } |
| 1964 | |
| 1965 | /* allocate the vfs database */ |
| 1966 | bp->vfdb = kzalloc(sizeof(*(bp->vfdb)), GFP_KERNEL); |
| 1967 | if (!bp->vfdb) { |
| 1968 | BNX2X_ERR("failed to allocate vf database\n"); |
| 1969 | err = -ENOMEM; |
| 1970 | goto failed; |
| 1971 | } |
| 1972 | |
| 1973 | /* get the sriov info - Linux already collected all the pertinent |
| 1974 | * information, however the sriov structure is for the private use |
| 1975 | * of the pci module. Also we want this information regardless |
| 1976 | * of the hyper-visor. |
| 1977 | */ |
| 1978 | iov = &(bp->vfdb->sriov); |
| 1979 | err = bnx2x_sriov_info(bp, iov); |
| 1980 | if (err) |
| 1981 | goto failed; |
| 1982 | |
| 1983 | /* SR-IOV capability was enabled but there are no VFs*/ |
| 1984 | if (iov->total == 0) |
| 1985 | goto failed; |
| 1986 | |
| 1987 | /* calculate the actual number of VFs */ |
| 1988 | iov->nr_virtfn = min_t(u16, iov->total, (u16)num_vfs_param); |
| 1989 | |
| 1990 | /* allocate the vf array */ |
| 1991 | bp->vfdb->vfs = kzalloc(sizeof(struct bnx2x_virtf) * |
| 1992 | BNX2X_NR_VIRTFN(bp), GFP_KERNEL); |
| 1993 | if (!bp->vfdb->vfs) { |
| 1994 | BNX2X_ERR("failed to allocate vf array\n"); |
| 1995 | err = -ENOMEM; |
| 1996 | goto failed; |
| 1997 | } |
| 1998 | |
| 1999 | /* Initial VF init - index and abs_vfid - nr_virtfn must be set */ |
| 2000 | for_each_vf(bp, i) { |
| 2001 | bnx2x_vf(bp, i, index) = i; |
| 2002 | bnx2x_vf(bp, i, abs_vfid) = iov->first_vf_in_pf + i; |
| 2003 | bnx2x_vf(bp, i, state) = VF_FREE; |
| 2004 | INIT_LIST_HEAD(&bnx2x_vf(bp, i, op_list_head)); |
| 2005 | mutex_init(&bnx2x_vf(bp, i, op_mutex)); |
| 2006 | bnx2x_vf(bp, i, op_current) = CHANNEL_TLV_NONE; |
| 2007 | } |
| 2008 | |
| 2009 | /* re-read the IGU CAM for VFs - index and abs_vfid must be set */ |
| 2010 | bnx2x_get_vf_igu_cam_info(bp); |
| 2011 | |
| 2012 | /* get the total queue count and allocate the global queue arrays */ |
| 2013 | qcount = bnx2x_iov_get_max_queue_count(bp); |
| 2014 | |
| 2015 | /* allocate the queue arrays for all VFs */ |
| 2016 | bp->vfdb->vfqs = kzalloc(qcount * sizeof(struct bnx2x_vf_queue), |
| 2017 | GFP_KERNEL); |
| 2018 | if (!bp->vfdb->vfqs) { |
| 2019 | BNX2X_ERR("failed to allocate vf queue array\n"); |
| 2020 | err = -ENOMEM; |
| 2021 | goto failed; |
| 2022 | } |
| 2023 | |
| 2024 | return 0; |
| 2025 | failed: |
| 2026 | DP(BNX2X_MSG_IOV, "Failed err=%d\n", err); |
| 2027 | __bnx2x_iov_free_vfdb(bp); |
| 2028 | return err; |
| 2029 | } |
| 2030 | |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2031 | void bnx2x_iov_remove_one(struct bnx2x *bp) |
| 2032 | { |
| 2033 | /* if SRIOV is not enabled there's nothing to do */ |
| 2034 | if (!IS_SRIOV(bp)) |
| 2035 | return; |
| 2036 | |
| 2037 | /* free vf database */ |
| 2038 | __bnx2x_iov_free_vfdb(bp); |
| 2039 | } |
| 2040 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 2041 | void bnx2x_iov_free_mem(struct bnx2x *bp) |
| 2042 | { |
| 2043 | int i; |
| 2044 | |
| 2045 | if (!IS_SRIOV(bp)) |
| 2046 | return; |
| 2047 | |
| 2048 | /* free vfs hw contexts */ |
| 2049 | for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { |
| 2050 | struct hw_dma *cxt = &bp->vfdb->context[i]; |
| 2051 | BNX2X_PCI_FREE(cxt->addr, cxt->mapping, cxt->size); |
| 2052 | } |
| 2053 | |
| 2054 | BNX2X_PCI_FREE(BP_VFDB(bp)->sp_dma.addr, |
| 2055 | BP_VFDB(bp)->sp_dma.mapping, |
| 2056 | BP_VFDB(bp)->sp_dma.size); |
| 2057 | |
| 2058 | BNX2X_PCI_FREE(BP_VF_MBX_DMA(bp)->addr, |
| 2059 | BP_VF_MBX_DMA(bp)->mapping, |
| 2060 | BP_VF_MBX_DMA(bp)->size); |
Ariel Elior | abc5a02 | 2013-01-01 05:22:43 +0000 | [diff] [blame^] | 2061 | |
| 2062 | BNX2X_PCI_FREE(BP_VF_BULLETIN_DMA(bp)->addr, |
| 2063 | BP_VF_BULLETIN_DMA(bp)->mapping, |
| 2064 | BP_VF_BULLETIN_DMA(bp)->size); |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 2065 | } |
| 2066 | |
| 2067 | int bnx2x_iov_alloc_mem(struct bnx2x *bp) |
| 2068 | { |
| 2069 | size_t tot_size; |
| 2070 | int i, rc = 0; |
| 2071 | |
| 2072 | if (!IS_SRIOV(bp)) |
| 2073 | return rc; |
| 2074 | |
| 2075 | /* allocate vfs hw contexts */ |
| 2076 | tot_size = (BP_VFDB(bp)->sriov.first_vf_in_pf + BNX2X_NR_VIRTFN(bp)) * |
| 2077 | BNX2X_CIDS_PER_VF * sizeof(union cdu_context); |
| 2078 | |
| 2079 | for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { |
| 2080 | struct hw_dma *cxt = BP_VF_CXT_PAGE(bp, i); |
| 2081 | cxt->size = min_t(size_t, tot_size, CDU_ILT_PAGE_SZ); |
| 2082 | |
| 2083 | if (cxt->size) { |
| 2084 | BNX2X_PCI_ALLOC(cxt->addr, &cxt->mapping, cxt->size); |
| 2085 | } else { |
| 2086 | cxt->addr = NULL; |
| 2087 | cxt->mapping = 0; |
| 2088 | } |
| 2089 | tot_size -= cxt->size; |
| 2090 | } |
| 2091 | |
| 2092 | /* allocate vfs ramrods dma memory - client_init and set_mac */ |
| 2093 | tot_size = BNX2X_NR_VIRTFN(bp) * sizeof(struct bnx2x_vf_sp); |
| 2094 | BNX2X_PCI_ALLOC(BP_VFDB(bp)->sp_dma.addr, &BP_VFDB(bp)->sp_dma.mapping, |
| 2095 | tot_size); |
| 2096 | BP_VFDB(bp)->sp_dma.size = tot_size; |
| 2097 | |
| 2098 | /* allocate mailboxes */ |
| 2099 | tot_size = BNX2X_NR_VIRTFN(bp) * MBX_MSG_ALIGNED_SIZE; |
| 2100 | BNX2X_PCI_ALLOC(BP_VF_MBX_DMA(bp)->addr, &BP_VF_MBX_DMA(bp)->mapping, |
| 2101 | tot_size); |
| 2102 | BP_VF_MBX_DMA(bp)->size = tot_size; |
| 2103 | |
Ariel Elior | abc5a02 | 2013-01-01 05:22:43 +0000 | [diff] [blame^] | 2104 | /* allocate local bulletin boards */ |
| 2105 | tot_size = BNX2X_NR_VIRTFN(bp) * BULLETIN_CONTENT_SIZE; |
| 2106 | BNX2X_PCI_ALLOC(BP_VF_BULLETIN_DMA(bp)->addr, |
| 2107 | &BP_VF_BULLETIN_DMA(bp)->mapping, tot_size); |
| 2108 | BP_VF_BULLETIN_DMA(bp)->size = tot_size; |
| 2109 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 2110 | return 0; |
| 2111 | |
| 2112 | alloc_mem_err: |
| 2113 | return -ENOMEM; |
| 2114 | } |
| 2115 | |
Ariel Elior | 8ca5e17 | 2013-01-01 05:22:34 +0000 | [diff] [blame] | 2116 | static void bnx2x_vfq_init(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 2117 | struct bnx2x_vf_queue *q) |
| 2118 | { |
| 2119 | u8 cl_id = vfq_cl_id(vf, q); |
| 2120 | u8 func_id = FW_VF_HANDLE(vf->abs_vfid); |
| 2121 | unsigned long q_type = 0; |
| 2122 | |
| 2123 | set_bit(BNX2X_Q_TYPE_HAS_TX, &q_type); |
| 2124 | set_bit(BNX2X_Q_TYPE_HAS_RX, &q_type); |
| 2125 | |
| 2126 | /* Queue State object */ |
| 2127 | bnx2x_init_queue_obj(bp, &q->sp_obj, |
| 2128 | cl_id, &q->cid, 1, func_id, |
| 2129 | bnx2x_vf_sp(bp, vf, q_data), |
| 2130 | bnx2x_vf_sp_map(bp, vf, q_data), |
| 2131 | q_type); |
| 2132 | |
| 2133 | DP(BNX2X_MSG_IOV, |
| 2134 | "initialized vf %d's queue object. func id set to %d\n", |
| 2135 | vf->abs_vfid, q->sp_obj.func_id); |
| 2136 | |
| 2137 | /* mac/vlan objects are per queue, but only those |
| 2138 | * that belong to the leading queue are initialized |
| 2139 | */ |
| 2140 | if (vfq_is_leading(q)) { |
| 2141 | /* mac */ |
| 2142 | bnx2x_init_mac_obj(bp, &q->mac_obj, |
| 2143 | cl_id, q->cid, func_id, |
| 2144 | bnx2x_vf_sp(bp, vf, mac_rdata), |
| 2145 | bnx2x_vf_sp_map(bp, vf, mac_rdata), |
| 2146 | BNX2X_FILTER_MAC_PENDING, |
| 2147 | &vf->filter_state, |
| 2148 | BNX2X_OBJ_TYPE_RX_TX, |
| 2149 | &bp->macs_pool); |
| 2150 | /* vlan */ |
| 2151 | bnx2x_init_vlan_obj(bp, &q->vlan_obj, |
| 2152 | cl_id, q->cid, func_id, |
| 2153 | bnx2x_vf_sp(bp, vf, vlan_rdata), |
| 2154 | bnx2x_vf_sp_map(bp, vf, vlan_rdata), |
| 2155 | BNX2X_FILTER_VLAN_PENDING, |
| 2156 | &vf->filter_state, |
| 2157 | BNX2X_OBJ_TYPE_RX_TX, |
| 2158 | &bp->vlans_pool); |
| 2159 | |
| 2160 | /* mcast */ |
| 2161 | bnx2x_init_mcast_obj(bp, &vf->mcast_obj, cl_id, |
| 2162 | q->cid, func_id, func_id, |
| 2163 | bnx2x_vf_sp(bp, vf, mcast_rdata), |
| 2164 | bnx2x_vf_sp_map(bp, vf, mcast_rdata), |
| 2165 | BNX2X_FILTER_MCAST_PENDING, |
| 2166 | &vf->filter_state, |
| 2167 | BNX2X_OBJ_TYPE_RX_TX); |
| 2168 | |
| 2169 | vf->leading_rss = cl_id; |
| 2170 | } |
| 2171 | } |
| 2172 | |
Ariel Elior | b56e967 | 2013-01-01 05:22:32 +0000 | [diff] [blame] | 2173 | /* called by bnx2x_nic_load */ |
| 2174 | int bnx2x_iov_nic_init(struct bnx2x *bp) |
| 2175 | { |
| 2176 | int vfid, qcount, i; |
| 2177 | |
| 2178 | if (!IS_SRIOV(bp)) { |
| 2179 | DP(BNX2X_MSG_IOV, "vfdb was not allocated\n"); |
| 2180 | return 0; |
| 2181 | } |
| 2182 | |
| 2183 | DP(BNX2X_MSG_IOV, "num of vfs: %d\n", (bp)->vfdb->sriov.nr_virtfn); |
| 2184 | |
| 2185 | /* initialize vf database */ |
| 2186 | for_each_vf(bp, vfid) { |
| 2187 | struct bnx2x_virtf *vf = BP_VF(bp, vfid); |
| 2188 | |
| 2189 | int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vfid) * |
| 2190 | BNX2X_CIDS_PER_VF; |
| 2191 | |
| 2192 | union cdu_context *base_cxt = (union cdu_context *) |
| 2193 | BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr + |
| 2194 | (base_vf_cid & (ILT_PAGE_CIDS-1)); |
| 2195 | |
| 2196 | DP(BNX2X_MSG_IOV, |
| 2197 | "VF[%d] Max IGU SBs: %d, base vf cid 0x%x, base cid 0x%x, base cxt %p\n", |
| 2198 | vf->abs_vfid, vf_sb_count(vf), base_vf_cid, |
| 2199 | BNX2X_FIRST_VF_CID + base_vf_cid, base_cxt); |
| 2200 | |
| 2201 | /* init statically provisioned resources */ |
| 2202 | bnx2x_iov_static_resc(bp, &vf->alloc_resc); |
| 2203 | |
| 2204 | /* queues are initialized during VF-ACQUIRE */ |
| 2205 | |
| 2206 | /* reserve the vf vlan credit */ |
| 2207 | bp->vlans_pool.get(&bp->vlans_pool, vf_vlan_rules_cnt(vf)); |
| 2208 | |
| 2209 | vf->filter_state = 0; |
| 2210 | vf->sp_cl_id = bnx2x_fp(bp, 0, cl_id); |
| 2211 | |
| 2212 | /* init mcast object - This object will be re-initialized |
| 2213 | * during VF-ACQUIRE with the proper cl_id and cid. |
| 2214 | * It needs to be initialized here so that it can be safely |
| 2215 | * handled by a subsequent FLR flow. |
| 2216 | */ |
| 2217 | bnx2x_init_mcast_obj(bp, &vf->mcast_obj, 0xFF, |
| 2218 | 0xFF, 0xFF, 0xFF, |
| 2219 | bnx2x_vf_sp(bp, vf, mcast_rdata), |
| 2220 | bnx2x_vf_sp_map(bp, vf, mcast_rdata), |
| 2221 | BNX2X_FILTER_MCAST_PENDING, |
| 2222 | &vf->filter_state, |
| 2223 | BNX2X_OBJ_TYPE_RX_TX); |
| 2224 | |
| 2225 | /* set the mailbox message addresses */ |
| 2226 | BP_VF_MBX(bp, vfid)->msg = (struct bnx2x_vf_mbx_msg *) |
| 2227 | (((u8 *)BP_VF_MBX_DMA(bp)->addr) + vfid * |
| 2228 | MBX_MSG_ALIGNED_SIZE); |
| 2229 | |
| 2230 | BP_VF_MBX(bp, vfid)->msg_mapping = BP_VF_MBX_DMA(bp)->mapping + |
| 2231 | vfid * MBX_MSG_ALIGNED_SIZE; |
| 2232 | |
| 2233 | /* Enable vf mailbox */ |
| 2234 | bnx2x_vf_enable_mbx(bp, vf->abs_vfid); |
| 2235 | } |
| 2236 | |
| 2237 | /* Final VF init */ |
| 2238 | qcount = 0; |
| 2239 | for_each_vf(bp, i) { |
| 2240 | struct bnx2x_virtf *vf = BP_VF(bp, i); |
| 2241 | |
| 2242 | /* fill in the BDF and bars */ |
| 2243 | vf->bus = bnx2x_vf_bus(bp, i); |
| 2244 | vf->devfn = bnx2x_vf_devfn(bp, i); |
| 2245 | bnx2x_vf_set_bars(bp, vf); |
| 2246 | |
| 2247 | DP(BNX2X_MSG_IOV, |
| 2248 | "VF info[%d]: bus 0x%x, devfn 0x%x, bar0 [0x%x, %d], bar1 [0x%x, %d], bar2 [0x%x, %d]\n", |
| 2249 | vf->abs_vfid, vf->bus, vf->devfn, |
| 2250 | (unsigned)vf->bars[0].bar, vf->bars[0].size, |
| 2251 | (unsigned)vf->bars[1].bar, vf->bars[1].size, |
| 2252 | (unsigned)vf->bars[2].bar, vf->bars[2].size); |
| 2253 | |
| 2254 | /* set local queue arrays */ |
| 2255 | vf->vfqs = &bp->vfdb->vfqs[qcount]; |
| 2256 | qcount += bnx2x_vf(bp, i, alloc_resc.num_sbs); |
| 2257 | } |
| 2258 | |
| 2259 | return 0; |
| 2260 | } |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 2261 | |
Ariel Elior | f1929b0 | 2013-01-01 05:22:41 +0000 | [diff] [blame] | 2262 | /* called by bnx2x_chip_cleanup */ |
| 2263 | int bnx2x_iov_chip_cleanup(struct bnx2x *bp) |
| 2264 | { |
| 2265 | int i; |
| 2266 | |
| 2267 | if (!IS_SRIOV(bp)) |
| 2268 | return 0; |
| 2269 | |
| 2270 | /* release all the VFs */ |
| 2271 | for_each_vf(bp, i) |
| 2272 | bnx2x_vf_release(bp, BP_VF(bp, i), true); /* blocking */ |
| 2273 | |
| 2274 | return 0; |
| 2275 | } |
| 2276 | |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 2277 | /* called by bnx2x_init_hw_func, returns the next ilt line */ |
| 2278 | int bnx2x_iov_init_ilt(struct bnx2x *bp, u16 line) |
| 2279 | { |
| 2280 | int i; |
| 2281 | struct bnx2x_ilt *ilt = BP_ILT(bp); |
| 2282 | |
| 2283 | if (!IS_SRIOV(bp)) |
| 2284 | return line; |
| 2285 | |
| 2286 | /* set vfs ilt lines */ |
| 2287 | for (i = 0; i < BNX2X_VF_CIDS/ILT_PAGE_CIDS; i++) { |
| 2288 | struct hw_dma *hw_cxt = BP_VF_CXT_PAGE(bp, i); |
| 2289 | |
| 2290 | ilt->lines[line+i].page = hw_cxt->addr; |
| 2291 | ilt->lines[line+i].page_mapping = hw_cxt->mapping; |
| 2292 | ilt->lines[line+i].size = hw_cxt->size; /* doesn't matter */ |
| 2293 | } |
| 2294 | return line + i; |
| 2295 | } |
| 2296 | |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2297 | static u8 bnx2x_iov_is_vf_cid(struct bnx2x *bp, u16 cid) |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 2298 | { |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2299 | return ((cid >= BNX2X_FIRST_VF_CID) && |
| 2300 | ((cid - BNX2X_FIRST_VF_CID) < BNX2X_VF_CIDS)); |
| 2301 | } |
| 2302 | |
| 2303 | static |
| 2304 | void bnx2x_vf_handle_classification_eqe(struct bnx2x *bp, |
| 2305 | struct bnx2x_vf_queue *vfq, |
| 2306 | union event_ring_elem *elem) |
| 2307 | { |
| 2308 | unsigned long ramrod_flags = 0; |
| 2309 | int rc = 0; |
| 2310 | |
| 2311 | /* Always push next commands out, don't wait here */ |
| 2312 | set_bit(RAMROD_CONT, &ramrod_flags); |
| 2313 | |
| 2314 | switch (elem->message.data.eth_event.echo >> BNX2X_SWCID_SHIFT) { |
| 2315 | case BNX2X_FILTER_MAC_PENDING: |
| 2316 | rc = vfq->mac_obj.complete(bp, &vfq->mac_obj, elem, |
| 2317 | &ramrod_flags); |
| 2318 | break; |
| 2319 | case BNX2X_FILTER_VLAN_PENDING: |
| 2320 | rc = vfq->vlan_obj.complete(bp, &vfq->vlan_obj, elem, |
| 2321 | &ramrod_flags); |
| 2322 | break; |
| 2323 | default: |
| 2324 | BNX2X_ERR("Unsupported classification command: %d\n", |
| 2325 | elem->message.data.eth_event.echo); |
| 2326 | return; |
| 2327 | } |
| 2328 | if (rc < 0) |
| 2329 | BNX2X_ERR("Failed to schedule new commands: %d\n", rc); |
| 2330 | else if (rc > 0) |
| 2331 | DP(BNX2X_MSG_IOV, "Scheduled next pending commands...\n"); |
| 2332 | } |
| 2333 | |
| 2334 | static |
| 2335 | void bnx2x_vf_handle_mcast_eqe(struct bnx2x *bp, |
| 2336 | struct bnx2x_virtf *vf) |
| 2337 | { |
| 2338 | struct bnx2x_mcast_ramrod_params rparam = {NULL}; |
| 2339 | int rc; |
| 2340 | |
| 2341 | rparam.mcast_obj = &vf->mcast_obj; |
| 2342 | vf->mcast_obj.raw.clear_pending(&vf->mcast_obj.raw); |
| 2343 | |
| 2344 | /* If there are pending mcast commands - send them */ |
| 2345 | if (vf->mcast_obj.check_pending(&vf->mcast_obj)) { |
| 2346 | rc = bnx2x_config_mcast(bp, &rparam, BNX2X_MCAST_CMD_CONT); |
| 2347 | if (rc < 0) |
| 2348 | BNX2X_ERR("Failed to send pending mcast commands: %d\n", |
| 2349 | rc); |
| 2350 | } |
| 2351 | } |
| 2352 | |
| 2353 | static |
| 2354 | void bnx2x_vf_handle_filters_eqe(struct bnx2x *bp, |
| 2355 | struct bnx2x_virtf *vf) |
| 2356 | { |
| 2357 | smp_mb__before_clear_bit(); |
| 2358 | clear_bit(BNX2X_FILTER_RX_MODE_PENDING, &vf->filter_state); |
| 2359 | smp_mb__after_clear_bit(); |
| 2360 | } |
| 2361 | |
| 2362 | int bnx2x_iov_eq_sp_event(struct bnx2x *bp, union event_ring_elem *elem) |
| 2363 | { |
| 2364 | struct bnx2x_virtf *vf; |
| 2365 | int qidx = 0, abs_vfid; |
| 2366 | u8 opcode; |
| 2367 | u16 cid = 0xffff; |
| 2368 | |
| 2369 | if (!IS_SRIOV(bp)) |
| 2370 | return 1; |
| 2371 | |
| 2372 | /* first get the cid - the only events we handle here are cfc-delete |
| 2373 | * and set-mac completion |
| 2374 | */ |
| 2375 | opcode = elem->message.opcode; |
| 2376 | |
| 2377 | switch (opcode) { |
| 2378 | case EVENT_RING_OPCODE_CFC_DEL: |
| 2379 | cid = SW_CID((__force __le32) |
| 2380 | elem->message.data.cfc_del_event.cid); |
| 2381 | DP(BNX2X_MSG_IOV, "checking cfc-del comp cid=%d\n", cid); |
| 2382 | break; |
| 2383 | case EVENT_RING_OPCODE_CLASSIFICATION_RULES: |
| 2384 | case EVENT_RING_OPCODE_MULTICAST_RULES: |
| 2385 | case EVENT_RING_OPCODE_FILTERS_RULES: |
| 2386 | cid = (elem->message.data.eth_event.echo & |
| 2387 | BNX2X_SWCID_MASK); |
| 2388 | DP(BNX2X_MSG_IOV, "checking filtering comp cid=%d\n", cid); |
| 2389 | break; |
| 2390 | case EVENT_RING_OPCODE_VF_FLR: |
| 2391 | abs_vfid = elem->message.data.vf_flr_event.vf_id; |
| 2392 | DP(BNX2X_MSG_IOV, "Got VF FLR notification abs_vfid=%d\n", |
| 2393 | abs_vfid); |
| 2394 | goto get_vf; |
| 2395 | case EVENT_RING_OPCODE_MALICIOUS_VF: |
| 2396 | abs_vfid = elem->message.data.malicious_vf_event.vf_id; |
| 2397 | DP(BNX2X_MSG_IOV, "Got VF MALICIOUS notification abs_vfid=%d\n", |
| 2398 | abs_vfid); |
| 2399 | goto get_vf; |
| 2400 | default: |
| 2401 | return 1; |
| 2402 | } |
| 2403 | |
| 2404 | /* check if the cid is the VF range */ |
| 2405 | if (!bnx2x_iov_is_vf_cid(bp, cid)) { |
| 2406 | DP(BNX2X_MSG_IOV, "cid is outside vf range: %d\n", cid); |
| 2407 | return 1; |
| 2408 | } |
| 2409 | |
| 2410 | /* extract vf and rxq index from vf_cid - relies on the following: |
| 2411 | * 1. vfid on cid reflects the true abs_vfid |
| 2412 | * 2. the max number of VFs (per path) is 64 |
| 2413 | */ |
| 2414 | qidx = cid & ((1 << BNX2X_VF_CID_WND)-1); |
| 2415 | abs_vfid = (cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1); |
| 2416 | get_vf: |
| 2417 | vf = bnx2x_vf_by_abs_fid(bp, abs_vfid); |
| 2418 | |
| 2419 | if (!vf) { |
| 2420 | BNX2X_ERR("EQ completion for unknown VF, cid %d, abs_vfid %d\n", |
| 2421 | cid, abs_vfid); |
| 2422 | return 0; |
| 2423 | } |
| 2424 | |
| 2425 | switch (opcode) { |
| 2426 | case EVENT_RING_OPCODE_CFC_DEL: |
| 2427 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] cfc delete ramrod\n", |
| 2428 | vf->abs_vfid, qidx); |
| 2429 | vfq_get(vf, qidx)->sp_obj.complete_cmd(bp, |
| 2430 | &vfq_get(vf, |
| 2431 | qidx)->sp_obj, |
| 2432 | BNX2X_Q_CMD_CFC_DEL); |
| 2433 | break; |
| 2434 | case EVENT_RING_OPCODE_CLASSIFICATION_RULES: |
| 2435 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mac/vlan ramrod\n", |
| 2436 | vf->abs_vfid, qidx); |
| 2437 | bnx2x_vf_handle_classification_eqe(bp, vfq_get(vf, qidx), elem); |
| 2438 | break; |
| 2439 | case EVENT_RING_OPCODE_MULTICAST_RULES: |
| 2440 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] set mcast ramrod\n", |
| 2441 | vf->abs_vfid, qidx); |
| 2442 | bnx2x_vf_handle_mcast_eqe(bp, vf); |
| 2443 | break; |
| 2444 | case EVENT_RING_OPCODE_FILTERS_RULES: |
| 2445 | DP(BNX2X_MSG_IOV, "got VF [%d:%d] set rx-mode ramrod\n", |
| 2446 | vf->abs_vfid, qidx); |
| 2447 | bnx2x_vf_handle_filters_eqe(bp, vf); |
| 2448 | break; |
| 2449 | case EVENT_RING_OPCODE_VF_FLR: |
| 2450 | DP(BNX2X_MSG_IOV, "got VF [%d] FLR notification\n", |
| 2451 | vf->abs_vfid); |
| 2452 | /* Do nothing for now */ |
| 2453 | break; |
| 2454 | case EVENT_RING_OPCODE_MALICIOUS_VF: |
| 2455 | DP(BNX2X_MSG_IOV, "got VF [%d] MALICIOUS notification\n", |
| 2456 | vf->abs_vfid); |
| 2457 | /* Do nothing for now */ |
| 2458 | break; |
| 2459 | } |
| 2460 | /* SRIOV: reschedule any 'in_progress' operations */ |
| 2461 | bnx2x_iov_sp_event(bp, cid, false); |
| 2462 | |
| 2463 | return 0; |
| 2464 | } |
| 2465 | |
| 2466 | static struct bnx2x_virtf *bnx2x_vf_by_cid(struct bnx2x *bp, int vf_cid) |
| 2467 | { |
| 2468 | /* extract the vf from vf_cid - relies on the following: |
| 2469 | * 1. vfid on cid reflects the true abs_vfid |
| 2470 | * 2. the max number of VFs (per path) is 64 |
| 2471 | */ |
| 2472 | int abs_vfid = (vf_cid >> BNX2X_VF_CID_WND) & (BNX2X_MAX_NUM_OF_VFS-1); |
| 2473 | return bnx2x_vf_by_abs_fid(bp, abs_vfid); |
| 2474 | } |
| 2475 | |
| 2476 | void bnx2x_iov_set_queue_sp_obj(struct bnx2x *bp, int vf_cid, |
| 2477 | struct bnx2x_queue_sp_obj **q_obj) |
| 2478 | { |
| 2479 | struct bnx2x_virtf *vf; |
| 2480 | |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 2481 | if (!IS_SRIOV(bp)) |
| 2482 | return; |
| 2483 | |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2484 | vf = bnx2x_vf_by_cid(bp, vf_cid); |
| 2485 | |
| 2486 | if (vf) { |
| 2487 | /* extract queue index from vf_cid - relies on the following: |
| 2488 | * 1. vfid on cid reflects the true abs_vfid |
| 2489 | * 2. the max number of VFs (per path) is 64 |
| 2490 | */ |
| 2491 | int q_index = vf_cid & ((1 << BNX2X_VF_CID_WND)-1); |
| 2492 | *q_obj = &bnx2x_vfq(vf, q_index, sp_obj); |
| 2493 | } else { |
| 2494 | BNX2X_ERR("No vf matching cid %d\n", vf_cid); |
| 2495 | } |
| 2496 | } |
| 2497 | |
| 2498 | void bnx2x_iov_sp_event(struct bnx2x *bp, int vf_cid, bool queue_work) |
| 2499 | { |
| 2500 | struct bnx2x_virtf *vf; |
| 2501 | |
| 2502 | /* check if the cid is the VF range */ |
| 2503 | if (!IS_SRIOV(bp) || !bnx2x_iov_is_vf_cid(bp, vf_cid)) |
| 2504 | return; |
| 2505 | |
| 2506 | vf = bnx2x_vf_by_cid(bp, vf_cid); |
| 2507 | if (vf) { |
| 2508 | /* set in_progress flag */ |
| 2509 | atomic_set(&vf->op_in_progress, 1); |
| 2510 | if (queue_work) |
| 2511 | queue_delayed_work(bnx2x_wq, &bp->sp_task, 0); |
| 2512 | } |
| 2513 | } |
| 2514 | |
Ariel Elior | 67c431a | 2013-01-01 05:22:36 +0000 | [diff] [blame] | 2515 | void bnx2x_iov_adjust_stats_req(struct bnx2x *bp) |
| 2516 | { |
| 2517 | int i; |
| 2518 | int first_queue_query_index, num_queues_req; |
| 2519 | dma_addr_t cur_data_offset; |
| 2520 | struct stats_query_entry *cur_query_entry; |
| 2521 | u8 stats_count = 0; |
| 2522 | bool is_fcoe = false; |
| 2523 | |
| 2524 | if (!IS_SRIOV(bp)) |
| 2525 | return; |
| 2526 | |
| 2527 | if (!NO_FCOE(bp)) |
| 2528 | is_fcoe = true; |
| 2529 | |
| 2530 | /* fcoe adds one global request and one queue request */ |
| 2531 | num_queues_req = BNX2X_NUM_ETH_QUEUES(bp) + is_fcoe; |
| 2532 | first_queue_query_index = BNX2X_FIRST_QUEUE_QUERY_IDX - |
| 2533 | (is_fcoe ? 0 : 1); |
| 2534 | |
| 2535 | DP(BNX2X_MSG_IOV, |
| 2536 | "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", |
| 2537 | BNX2X_NUM_ETH_QUEUES(bp), is_fcoe, first_queue_query_index, |
| 2538 | first_queue_query_index + num_queues_req); |
| 2539 | |
| 2540 | cur_data_offset = bp->fw_stats_data_mapping + |
| 2541 | offsetof(struct bnx2x_fw_stats_data, queue_stats) + |
| 2542 | num_queues_req * sizeof(struct per_queue_stats); |
| 2543 | |
| 2544 | cur_query_entry = &bp->fw_stats_req-> |
| 2545 | query[first_queue_query_index + num_queues_req]; |
| 2546 | |
| 2547 | for_each_vf(bp, i) { |
| 2548 | int j; |
| 2549 | struct bnx2x_virtf *vf = BP_VF(bp, i); |
| 2550 | |
| 2551 | if (vf->state != VF_ENABLED) { |
| 2552 | DP(BNX2X_MSG_IOV, |
| 2553 | "vf %d not enabled so no stats for it\n", |
| 2554 | vf->abs_vfid); |
| 2555 | continue; |
| 2556 | } |
| 2557 | |
| 2558 | DP(BNX2X_MSG_IOV, "add addresses for vf %d\n", vf->abs_vfid); |
| 2559 | for_each_vfq(vf, j) { |
| 2560 | struct bnx2x_vf_queue *rxq = vfq_get(vf, j); |
| 2561 | |
| 2562 | /* collect stats fro active queues only */ |
| 2563 | if (bnx2x_get_q_logical_state(bp, &rxq->sp_obj) == |
| 2564 | BNX2X_Q_LOGICAL_STATE_STOPPED) |
| 2565 | continue; |
| 2566 | |
| 2567 | /* create stats query entry for this queue */ |
| 2568 | cur_query_entry->kind = STATS_TYPE_QUEUE; |
| 2569 | cur_query_entry->index = vfq_cl_id(vf, rxq); |
| 2570 | cur_query_entry->funcID = |
| 2571 | cpu_to_le16(FW_VF_HANDLE(vf->abs_vfid)); |
| 2572 | cur_query_entry->address.hi = |
| 2573 | cpu_to_le32(U64_HI(vf->fw_stat_map)); |
| 2574 | cur_query_entry->address.lo = |
| 2575 | cpu_to_le32(U64_LO(vf->fw_stat_map)); |
| 2576 | DP(BNX2X_MSG_IOV, |
| 2577 | "added address %x %x for vf %d queue %d client %d\n", |
| 2578 | cur_query_entry->address.hi, |
| 2579 | cur_query_entry->address.lo, cur_query_entry->funcID, |
| 2580 | j, cur_query_entry->index); |
| 2581 | cur_query_entry++; |
| 2582 | cur_data_offset += sizeof(struct per_queue_stats); |
| 2583 | stats_count++; |
| 2584 | } |
| 2585 | } |
| 2586 | bp->fw_stats_req->hdr.cmd_num = bp->fw_stats_num + stats_count; |
| 2587 | } |
| 2588 | |
Ariel Elior | fd1fc79 | 2013-01-01 05:22:33 +0000 | [diff] [blame] | 2589 | void bnx2x_iov_sp_task(struct bnx2x *bp) |
| 2590 | { |
| 2591 | int i; |
| 2592 | |
| 2593 | if (!IS_SRIOV(bp)) |
| 2594 | return; |
| 2595 | /* Iterate over all VFs and invoke state transition for VFs with |
| 2596 | * 'in-progress' slow-path operations |
| 2597 | */ |
| 2598 | DP(BNX2X_MSG_IOV, "searching for pending vf operations\n"); |
| 2599 | for_each_vf(bp, i) { |
| 2600 | struct bnx2x_virtf *vf = BP_VF(bp, i); |
| 2601 | |
| 2602 | if (!list_empty(&vf->op_list_head) && |
| 2603 | atomic_read(&vf->op_in_progress)) { |
| 2604 | DP(BNX2X_MSG_IOV, "running pending op for vf %d\n", i); |
| 2605 | bnx2x_vfop_cur(bp, vf)->transition(bp, vf); |
| 2606 | } |
| 2607 | } |
Ariel Elior | 290ca2b | 2013-01-01 05:22:31 +0000 | [diff] [blame] | 2608 | } |
Ariel Elior | 67c431a | 2013-01-01 05:22:36 +0000 | [diff] [blame] | 2609 | |
| 2610 | static inline |
| 2611 | struct bnx2x_virtf *__vf_from_stat_id(struct bnx2x *bp, u8 stat_id) |
| 2612 | { |
| 2613 | int i; |
| 2614 | struct bnx2x_virtf *vf = NULL; |
| 2615 | |
| 2616 | for_each_vf(bp, i) { |
| 2617 | vf = BP_VF(bp, i); |
| 2618 | if (stat_id >= vf->igu_base_id && |
| 2619 | stat_id < vf->igu_base_id + vf_sb_count(vf)) |
| 2620 | break; |
| 2621 | } |
| 2622 | return vf; |
| 2623 | } |
| 2624 | |
| 2625 | /* VF API helpers */ |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 2626 | static void bnx2x_vf_qtbl_set_q(struct bnx2x *bp, u8 abs_vfid, u8 qid, |
| 2627 | u8 enable) |
| 2628 | { |
| 2629 | u32 reg = PXP_REG_HST_ZONE_PERMISSION_TABLE + qid * 4; |
| 2630 | u32 val = enable ? (abs_vfid | (1 << 6)) : 0; |
| 2631 | |
| 2632 | REG_WR(bp, reg, val); |
| 2633 | } |
Ariel Elior | 8ca5e17 | 2013-01-01 05:22:34 +0000 | [diff] [blame] | 2634 | |
Ariel Elior | 99e9d21 | 2013-01-01 05:22:40 +0000 | [diff] [blame] | 2635 | static void bnx2x_vf_clr_qtbl(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 2636 | { |
| 2637 | int i; |
| 2638 | |
| 2639 | for_each_vfq(vf, i) |
| 2640 | bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid, |
| 2641 | vfq_qzone_id(vf, vfq_get(vf, i)), false); |
| 2642 | } |
| 2643 | |
| 2644 | static void bnx2x_vf_igu_disable(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 2645 | { |
| 2646 | u32 val; |
| 2647 | |
| 2648 | /* clear the VF configuration - pretend */ |
| 2649 | bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf->abs_vfid)); |
| 2650 | val = REG_RD(bp, IGU_REG_VF_CONFIGURATION); |
| 2651 | val &= ~(IGU_VF_CONF_MSI_MSIX_EN | IGU_VF_CONF_SINGLE_ISR_EN | |
| 2652 | IGU_VF_CONF_FUNC_EN | IGU_VF_CONF_PARENT_MASK); |
| 2653 | REG_WR(bp, IGU_REG_VF_CONFIGURATION, val); |
| 2654 | bnx2x_pretend_func(bp, BP_ABS_FUNC(bp)); |
| 2655 | } |
| 2656 | |
Ariel Elior | 8ca5e17 | 2013-01-01 05:22:34 +0000 | [diff] [blame] | 2657 | u8 bnx2x_vf_max_queue_cnt(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 2658 | { |
| 2659 | return min_t(u8, min_t(u8, vf_sb_count(vf), BNX2X_CIDS_PER_VF), |
| 2660 | BNX2X_VF_MAX_QUEUES); |
| 2661 | } |
| 2662 | |
| 2663 | static |
| 2664 | int bnx2x_vf_chk_avail_resc(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 2665 | struct vf_pf_resc_request *req_resc) |
| 2666 | { |
| 2667 | u8 rxq_cnt = vf_rxq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf); |
| 2668 | u8 txq_cnt = vf_txq_count(vf) ? : bnx2x_vf_max_queue_cnt(bp, vf); |
| 2669 | |
| 2670 | return ((req_resc->num_rxqs <= rxq_cnt) && |
| 2671 | (req_resc->num_txqs <= txq_cnt) && |
| 2672 | (req_resc->num_sbs <= vf_sb_count(vf)) && |
| 2673 | (req_resc->num_mac_filters <= vf_mac_rules_cnt(vf)) && |
| 2674 | (req_resc->num_vlan_filters <= vf_vlan_rules_cnt(vf))); |
| 2675 | } |
| 2676 | |
| 2677 | /* CORE VF API */ |
| 2678 | int bnx2x_vf_acquire(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 2679 | struct vf_pf_resc_request *resc) |
| 2680 | { |
| 2681 | int base_vf_cid = (BP_VFDB(bp)->sriov.first_vf_in_pf + vf->index) * |
| 2682 | BNX2X_CIDS_PER_VF; |
| 2683 | |
| 2684 | union cdu_context *base_cxt = (union cdu_context *) |
| 2685 | BP_VF_CXT_PAGE(bp, base_vf_cid/ILT_PAGE_CIDS)->addr + |
| 2686 | (base_vf_cid & (ILT_PAGE_CIDS-1)); |
| 2687 | int i; |
| 2688 | |
| 2689 | /* if state is 'acquired' the VF was not released or FLR'd, in |
| 2690 | * this case the returned resources match the acquired already |
| 2691 | * acquired resources. Verify that the requested numbers do |
| 2692 | * not exceed the already acquired numbers. |
| 2693 | */ |
| 2694 | if (vf->state == VF_ACQUIRED) { |
| 2695 | DP(BNX2X_MSG_IOV, "VF[%d] Trying to re-acquire resources (VF was not released or FLR'd)\n", |
| 2696 | vf->abs_vfid); |
| 2697 | |
| 2698 | if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) { |
| 2699 | BNX2X_ERR("VF[%d] When re-acquiring resources, requested numbers must be <= then previously acquired numbers\n", |
| 2700 | vf->abs_vfid); |
| 2701 | return -EINVAL; |
| 2702 | } |
| 2703 | return 0; |
| 2704 | } |
| 2705 | |
| 2706 | /* Otherwise vf state must be 'free' or 'reset' */ |
| 2707 | if (vf->state != VF_FREE && vf->state != VF_RESET) { |
| 2708 | BNX2X_ERR("VF[%d] Can not acquire a VF with state %d\n", |
| 2709 | vf->abs_vfid, vf->state); |
| 2710 | return -EINVAL; |
| 2711 | } |
| 2712 | |
| 2713 | /* static allocation: |
| 2714 | * the global maximum number are fixed per VF. fail the request if |
| 2715 | * requested number exceed these globals |
| 2716 | */ |
| 2717 | if (!bnx2x_vf_chk_avail_resc(bp, vf, resc)) { |
| 2718 | DP(BNX2X_MSG_IOV, |
| 2719 | "cannot fulfill vf resource request. Placing maximal available values in response\n"); |
| 2720 | /* set the max resource in the vf */ |
| 2721 | return -ENOMEM; |
| 2722 | } |
| 2723 | |
| 2724 | /* Set resources counters - 0 request means max available */ |
| 2725 | vf_sb_count(vf) = resc->num_sbs; |
| 2726 | vf_rxq_count(vf) = resc->num_rxqs ? : bnx2x_vf_max_queue_cnt(bp, vf); |
| 2727 | vf_txq_count(vf) = resc->num_txqs ? : bnx2x_vf_max_queue_cnt(bp, vf); |
| 2728 | if (resc->num_mac_filters) |
| 2729 | vf_mac_rules_cnt(vf) = resc->num_mac_filters; |
| 2730 | if (resc->num_vlan_filters) |
| 2731 | vf_vlan_rules_cnt(vf) = resc->num_vlan_filters; |
| 2732 | |
| 2733 | DP(BNX2X_MSG_IOV, |
| 2734 | "Fulfilling vf request: sb count %d, tx_count %d, rx_count %d, mac_rules_count %d, vlan_rules_count %d\n", |
| 2735 | vf_sb_count(vf), vf_rxq_count(vf), |
| 2736 | vf_txq_count(vf), vf_mac_rules_cnt(vf), |
| 2737 | vf_vlan_rules_cnt(vf)); |
| 2738 | |
| 2739 | /* Initialize the queues */ |
| 2740 | if (!vf->vfqs) { |
| 2741 | DP(BNX2X_MSG_IOV, "vf->vfqs was not allocated\n"); |
| 2742 | return -EINVAL; |
| 2743 | } |
| 2744 | |
| 2745 | for_each_vfq(vf, i) { |
| 2746 | struct bnx2x_vf_queue *q = vfq_get(vf, i); |
| 2747 | |
| 2748 | if (!q) { |
| 2749 | DP(BNX2X_MSG_IOV, "q number %d was not allocated\n", i); |
| 2750 | return -EINVAL; |
| 2751 | } |
| 2752 | |
| 2753 | q->index = i; |
| 2754 | q->cxt = &((base_cxt + i)->eth); |
| 2755 | q->cid = BNX2X_FIRST_VF_CID + base_vf_cid + i; |
| 2756 | |
| 2757 | DP(BNX2X_MSG_IOV, "VFQ[%d:%d]: index %d, cid 0x%x, cxt %p\n", |
| 2758 | vf->abs_vfid, i, q->index, q->cid, q->cxt); |
| 2759 | |
| 2760 | /* init SP objects */ |
| 2761 | bnx2x_vfq_init(bp, vf, q); |
| 2762 | } |
| 2763 | vf->state = VF_ACQUIRED; |
| 2764 | return 0; |
| 2765 | } |
| 2766 | |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 2767 | int bnx2x_vf_init(struct bnx2x *bp, struct bnx2x_virtf *vf, dma_addr_t *sb_map) |
| 2768 | { |
| 2769 | struct bnx2x_func_init_params func_init = {0}; |
| 2770 | u16 flags = 0; |
| 2771 | int i; |
| 2772 | |
| 2773 | /* the sb resources are initialized at this point, do the |
| 2774 | * FW/HW initializations |
| 2775 | */ |
| 2776 | for_each_vf_sb(vf, i) |
| 2777 | bnx2x_init_sb(bp, (dma_addr_t)sb_map[i], vf->abs_vfid, true, |
| 2778 | vf_igu_sb(vf, i), vf_igu_sb(vf, i)); |
| 2779 | |
| 2780 | /* Sanity checks */ |
| 2781 | if (vf->state != VF_ACQUIRED) { |
| 2782 | DP(BNX2X_MSG_IOV, "VF[%d] is not in VF_ACQUIRED, but %d\n", |
| 2783 | vf->abs_vfid, vf->state); |
| 2784 | return -EINVAL; |
| 2785 | } |
| 2786 | /* FLR cleanup epilogue */ |
| 2787 | if (bnx2x_vf_flr_clnup_epilog(bp, vf->abs_vfid)) |
| 2788 | return -EBUSY; |
| 2789 | |
| 2790 | /* reset IGU VF statistics: MSIX */ |
| 2791 | REG_WR(bp, IGU_REG_STATISTIC_NUM_MESSAGE_SENT + vf->abs_vfid * 4 , 0); |
| 2792 | |
| 2793 | /* vf init */ |
| 2794 | if (vf->cfg_flags & VF_CFG_STATS) |
| 2795 | flags |= (FUNC_FLG_STATS | FUNC_FLG_SPQ); |
| 2796 | |
| 2797 | if (vf->cfg_flags & VF_CFG_TPA) |
| 2798 | flags |= FUNC_FLG_TPA; |
| 2799 | |
| 2800 | if (is_vf_multi(vf)) |
| 2801 | flags |= FUNC_FLG_RSS; |
| 2802 | |
| 2803 | /* function setup */ |
| 2804 | func_init.func_flgs = flags; |
| 2805 | func_init.pf_id = BP_FUNC(bp); |
| 2806 | func_init.func_id = FW_VF_HANDLE(vf->abs_vfid); |
| 2807 | func_init.fw_stat_map = vf->fw_stat_map; |
| 2808 | func_init.spq_map = vf->spq_map; |
| 2809 | func_init.spq_prod = 0; |
| 2810 | bnx2x_func_init(bp, &func_init); |
| 2811 | |
| 2812 | /* Enable the vf */ |
| 2813 | bnx2x_vf_enable_access(bp, vf->abs_vfid); |
| 2814 | bnx2x_vf_enable_traffic(bp, vf); |
| 2815 | |
| 2816 | /* queue protection table */ |
| 2817 | for_each_vfq(vf, i) |
| 2818 | bnx2x_vf_qtbl_set_q(bp, vf->abs_vfid, |
| 2819 | vfq_qzone_id(vf, vfq_get(vf, i)), true); |
| 2820 | |
| 2821 | vf->state = VF_ENABLED; |
| 2822 | |
Ariel Elior | abc5a02 | 2013-01-01 05:22:43 +0000 | [diff] [blame^] | 2823 | /* update vf bulletin board */ |
| 2824 | bnx2x_post_vf_bulletin(bp, vf->index); |
| 2825 | |
Ariel Elior | b93288d | 2013-01-01 05:22:35 +0000 | [diff] [blame] | 2826 | return 0; |
| 2827 | } |
| 2828 | |
Ariel Elior | 99e9d21 | 2013-01-01 05:22:40 +0000 | [diff] [blame] | 2829 | /* VFOP close (teardown the queues, delete mcasts and close HW) */ |
| 2830 | static void bnx2x_vfop_close(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 2831 | { |
| 2832 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 2833 | struct bnx2x_vfop_args_qx *qx = &vfop->args.qx; |
| 2834 | enum bnx2x_vfop_close_state state = vfop->state; |
| 2835 | struct bnx2x_vfop_cmd cmd = { |
| 2836 | .done = bnx2x_vfop_close, |
| 2837 | .block = false, |
| 2838 | }; |
| 2839 | |
| 2840 | if (vfop->rc < 0) |
| 2841 | goto op_err; |
| 2842 | |
| 2843 | DP(BNX2X_MSG_IOV, "vf[%d] STATE: %d\n", vf->abs_vfid, state); |
| 2844 | |
| 2845 | switch (state) { |
| 2846 | case BNX2X_VFOP_CLOSE_QUEUES: |
| 2847 | |
| 2848 | if (++(qx->qid) < vf_rxq_count(vf)) { |
| 2849 | vfop->rc = bnx2x_vfop_qdown_cmd(bp, vf, &cmd, qx->qid); |
| 2850 | if (vfop->rc) |
| 2851 | goto op_err; |
| 2852 | return; |
| 2853 | } |
| 2854 | |
| 2855 | /* remove multicasts */ |
| 2856 | vfop->state = BNX2X_VFOP_CLOSE_HW; |
| 2857 | vfop->rc = bnx2x_vfop_mcast_cmd(bp, vf, &cmd, NULL, 0, false); |
| 2858 | if (vfop->rc) |
| 2859 | goto op_err; |
| 2860 | return; |
| 2861 | |
| 2862 | case BNX2X_VFOP_CLOSE_HW: |
| 2863 | |
| 2864 | /* disable the interrupts */ |
| 2865 | DP(BNX2X_MSG_IOV, "disabling igu\n"); |
| 2866 | bnx2x_vf_igu_disable(bp, vf); |
| 2867 | |
| 2868 | /* disable the VF */ |
| 2869 | DP(BNX2X_MSG_IOV, "clearing qtbl\n"); |
| 2870 | bnx2x_vf_clr_qtbl(bp, vf); |
| 2871 | |
| 2872 | goto op_done; |
| 2873 | default: |
| 2874 | bnx2x_vfop_default(state); |
| 2875 | } |
| 2876 | op_err: |
| 2877 | BNX2X_ERR("VF[%d] CLOSE error: rc %d\n", vf->abs_vfid, vfop->rc); |
| 2878 | op_done: |
| 2879 | vf->state = VF_ACQUIRED; |
| 2880 | DP(BNX2X_MSG_IOV, "set state to acquired\n"); |
| 2881 | bnx2x_vfop_end(bp, vf, vfop); |
| 2882 | } |
| 2883 | |
| 2884 | int bnx2x_vfop_close_cmd(struct bnx2x *bp, |
| 2885 | struct bnx2x_virtf *vf, |
| 2886 | struct bnx2x_vfop_cmd *cmd) |
| 2887 | { |
| 2888 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 2889 | if (vfop) { |
| 2890 | vfop->args.qx.qid = -1; /* loop */ |
| 2891 | bnx2x_vfop_opset(BNX2X_VFOP_CLOSE_QUEUES, |
| 2892 | bnx2x_vfop_close, cmd->done); |
| 2893 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_close, |
| 2894 | cmd->block); |
| 2895 | } |
| 2896 | return -ENOMEM; |
| 2897 | } |
| 2898 | |
Ariel Elior | f1929b0 | 2013-01-01 05:22:41 +0000 | [diff] [blame] | 2899 | /* VF release can be called either: 1. the VF was acquired but |
| 2900 | * not enabled 2. the vf was enabled or in the process of being |
| 2901 | * enabled |
| 2902 | */ |
| 2903 | static void bnx2x_vfop_release(struct bnx2x *bp, struct bnx2x_virtf *vf) |
| 2904 | { |
| 2905 | struct bnx2x_vfop *vfop = bnx2x_vfop_cur(bp, vf); |
| 2906 | struct bnx2x_vfop_cmd cmd = { |
| 2907 | .done = bnx2x_vfop_release, |
| 2908 | .block = false, |
| 2909 | }; |
| 2910 | |
| 2911 | DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc); |
| 2912 | |
| 2913 | if (vfop->rc < 0) |
| 2914 | goto op_err; |
| 2915 | |
| 2916 | DP(BNX2X_MSG_IOV, "VF[%d] STATE: %s\n", vf->abs_vfid, |
| 2917 | vf->state == VF_FREE ? "Free" : |
| 2918 | vf->state == VF_ACQUIRED ? "Acquired" : |
| 2919 | vf->state == VF_ENABLED ? "Enabled" : |
| 2920 | vf->state == VF_RESET ? "Reset" : |
| 2921 | "Unknown"); |
| 2922 | |
| 2923 | switch (vf->state) { |
| 2924 | case VF_ENABLED: |
| 2925 | vfop->rc = bnx2x_vfop_close_cmd(bp, vf, &cmd); |
| 2926 | if (vfop->rc) |
| 2927 | goto op_err; |
| 2928 | return; |
| 2929 | |
| 2930 | case VF_ACQUIRED: |
| 2931 | DP(BNX2X_MSG_IOV, "about to free resources\n"); |
| 2932 | bnx2x_vf_free_resc(bp, vf); |
| 2933 | DP(BNX2X_MSG_IOV, "vfop->rc %d\n", vfop->rc); |
| 2934 | goto op_done; |
| 2935 | |
| 2936 | case VF_FREE: |
| 2937 | case VF_RESET: |
| 2938 | /* do nothing */ |
| 2939 | goto op_done; |
| 2940 | default: |
| 2941 | bnx2x_vfop_default(vf->state); |
| 2942 | } |
| 2943 | op_err: |
| 2944 | BNX2X_ERR("VF[%d] RELEASE error: rc %d\n", vf->abs_vfid, vfop->rc); |
| 2945 | op_done: |
| 2946 | bnx2x_vfop_end(bp, vf, vfop); |
| 2947 | } |
| 2948 | |
| 2949 | int bnx2x_vfop_release_cmd(struct bnx2x *bp, |
| 2950 | struct bnx2x_virtf *vf, |
| 2951 | struct bnx2x_vfop_cmd *cmd) |
| 2952 | { |
| 2953 | struct bnx2x_vfop *vfop = bnx2x_vfop_add(bp, vf); |
| 2954 | if (vfop) { |
| 2955 | bnx2x_vfop_opset(-1, /* use vf->state */ |
| 2956 | bnx2x_vfop_release, cmd->done); |
| 2957 | return bnx2x_vfop_transition(bp, vf, bnx2x_vfop_release, |
| 2958 | cmd->block); |
| 2959 | } |
| 2960 | return -ENOMEM; |
| 2961 | } |
| 2962 | |
| 2963 | /* VF release ~ VF close + VF release-resources |
| 2964 | * Release is the ultimate SW shutdown and is called whenever an |
| 2965 | * irrecoverable error is encountered. |
| 2966 | */ |
| 2967 | void bnx2x_vf_release(struct bnx2x *bp, struct bnx2x_virtf *vf, bool block) |
| 2968 | { |
| 2969 | struct bnx2x_vfop_cmd cmd = { |
| 2970 | .done = NULL, |
| 2971 | .block = block, |
| 2972 | }; |
| 2973 | int rc; |
| 2974 | bnx2x_lock_vf_pf_channel(bp, vf, CHANNEL_TLV_PF_RELEASE_VF); |
| 2975 | |
| 2976 | rc = bnx2x_vfop_release_cmd(bp, vf, &cmd); |
| 2977 | if (rc) |
| 2978 | WARN(rc, |
| 2979 | "VF[%d] Failed to allocate resources for release op- rc=%d\n", |
| 2980 | vf->abs_vfid, rc); |
| 2981 | } |
| 2982 | |
| 2983 | static inline void bnx2x_vf_get_sbdf(struct bnx2x *bp, |
| 2984 | struct bnx2x_virtf *vf, u32 *sbdf) |
| 2985 | { |
| 2986 | *sbdf = vf->devfn | (vf->bus << 8); |
| 2987 | } |
| 2988 | |
| 2989 | static inline void bnx2x_vf_get_bars(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 2990 | struct bnx2x_vf_bar_info *bar_info) |
| 2991 | { |
| 2992 | int n; |
| 2993 | |
| 2994 | bar_info->nr_bars = bp->vfdb->sriov.nres; |
| 2995 | for (n = 0; n < bar_info->nr_bars; n++) |
| 2996 | bar_info->bars[n] = vf->bars[n]; |
| 2997 | } |
| 2998 | |
Ariel Elior | 8ca5e17 | 2013-01-01 05:22:34 +0000 | [diff] [blame] | 2999 | void bnx2x_lock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 3000 | enum channel_tlvs tlv) |
| 3001 | { |
| 3002 | /* lock the channel */ |
| 3003 | mutex_lock(&vf->op_mutex); |
| 3004 | |
| 3005 | /* record the locking op */ |
| 3006 | vf->op_current = tlv; |
| 3007 | |
| 3008 | /* log the lock */ |
| 3009 | DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel locked by %d\n", |
| 3010 | vf->abs_vfid, tlv); |
| 3011 | } |
| 3012 | |
| 3013 | void bnx2x_unlock_vf_pf_channel(struct bnx2x *bp, struct bnx2x_virtf *vf, |
| 3014 | enum channel_tlvs expected_tlv) |
| 3015 | { |
| 3016 | WARN(expected_tlv != vf->op_current, |
| 3017 | "lock mismatch: expected %d found %d", expected_tlv, |
| 3018 | vf->op_current); |
| 3019 | |
| 3020 | /* lock the channel */ |
| 3021 | mutex_unlock(&vf->op_mutex); |
| 3022 | |
| 3023 | /* log the unlock */ |
| 3024 | DP(BNX2X_MSG_IOV, "VF[%d]: vf pf channel unlocked by %d\n", |
| 3025 | vf->abs_vfid, vf->op_current); |
| 3026 | |
| 3027 | /* record the locking op */ |
| 3028 | vf->op_current = CHANNEL_TLV_NONE; |
| 3029 | } |