drivers/net/ethernet/cisco/enic/vnic_devcmd.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
   4  * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
   5  */
   6
   7 #ifndef _VNIC_DEVCMD_H_
   8 #define _VNIC_DEVCMD_H_
   9
  10 #define _CMD_NBITS      14
  11 #define _CMD_VTYPEBITS  10
  12 #define _CMD_FLAGSBITS  6
  13 #define _CMD_DIRBITS    2
  14
  15 #define _CMD_NMASK      ((1 << _CMD_NBITS)-1)
  16 #define _CMD_VTYPEMASK  ((1 << _CMD_VTYPEBITS)-1)
  17 #define _CMD_FLAGSMASK  ((1 << _CMD_FLAGSBITS)-1)
  18 #define _CMD_DIRMASK    ((1 << _CMD_DIRBITS)-1)
  19
  20 #define _CMD_NSHIFT     0
  21 #define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS)
  22 #define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS)
  23 #define _CMD_DIRSHIFT   (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS)
  24
  25 /*
  26  * Direction bits (from host perspective).
  27  */
  28 #define _CMD_DIR_NONE   0U
  29 #define _CMD_DIR_WRITE  1U
  30 #define _CMD_DIR_READ   2U
  31 #define _CMD_DIR_RW     (_CMD_DIR_WRITE | _CMD_DIR_READ)
  32
  33 /*
  34  * Flag bits.
  35  */
  36 #define _CMD_FLAGS_NONE 0U
  37 #define _CMD_FLAGS_NOWAIT 1U
  38
  39 /*
  40  * vNIC type bits.
  41  */
  42 #define _CMD_VTYPE_NONE  0U
  43 #define _CMD_VTYPE_ENET  1U
  44 #define _CMD_VTYPE_FC    2U
  45 #define _CMD_VTYPE_SCSI  4U
  46 #define _CMD_VTYPE_ALL   (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI)
  47
  48 /*
  49  * Used to create cmds..
  50 */
  51 #define _CMDCF(dir, flags, vtype, nr)  \
  52         (((dir)   << _CMD_DIRSHIFT) | \
  53         ((flags) << _CMD_FLAGSSHIFT) | \
  54         ((vtype) << _CMD_VTYPESHIFT) | \
  55         ((nr)    << _CMD_NSHIFT))
  56 #define _CMDC(dir, vtype, nr)    _CMDCF(dir, 0, vtype, nr)
  57 #define _CMDCNW(dir, vtype, nr)  _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr)
  58
  59 /*
  60  * Used to decode cmds..
  61 */
  62 #define _CMD_DIR(cmd)            (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK)
  63 #define _CMD_FLAGS(cmd)          (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK)
  64 #define _CMD_VTYPE(cmd)          (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK)
  65 #define _CMD_N(cmd)              (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK)
  66
  67 enum vnic_devcmd_cmd {
  68         CMD_NONE                = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0),
  69
  70         /*
  71          * mcpu fw info in mem:
  72          * in:
  73          *   (u64)a0=paddr to struct vnic_devcmd_fw_info
  74          * action:
  75          *   Fills in struct vnic_devcmd_fw_info (128 bytes)
  76          * note:
  77          *   An old definition of CMD_MCPU_FW_INFO
  78          */
  79         CMD_MCPU_FW_INFO_OLD    = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1),
  80
  81         /*
  82          * mcpu fw info in mem:
  83          * in:
  84          *   (u64)a0=paddr to struct vnic_devcmd_fw_info
  85          *   (u16)a1=size of the structure
  86          * out:
  87          *       (u16)a1=0                          for in:a1 = 0,
  88          *               data size actually written for other values.
  89          * action:
  90          *   Fills in first 128 bytes of vnic_devcmd_fw_info for in:a1 = 0,
  91          *            first in:a1 bytes               for 0 < in:a1 <= 132,
  92          *            132 bytes                       for other values of in:a1.
  93          * note:
  94          *   CMD_MCPU_FW_INFO and CMD_MCPU_FW_INFO_OLD have the same enum 1
  95          *   for source compatibility.
  96          */
  97         CMD_MCPU_FW_INFO        = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 1),
  98
  99         /* dev-specific block member:
 100          *    in: (u16)a0=offset,(u8)a1=size
 101          *    out: a0=value */
 102         CMD_DEV_SPEC            = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2),
 103
 104         /* stats clear */
 105         CMD_STATS_CLEAR         = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3),
 106
 107         /* stats dump in mem: (u64)a0=paddr to stats area,
 108          *                    (u16)a1=sizeof stats area */
 109         CMD_STATS_DUMP          = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4),
 110
 111         /* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */
 112         CMD_PACKET_FILTER       = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 7),
 113
 114         /* set Rx packet filter for all: (u32)a0=filters (see CMD_PFILTER_*) */
 115         CMD_PACKET_FILTER_ALL   = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 7),
 116
 117         /* hang detection notification */
 118         CMD_HANG_NOTIFY         = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8),
 119
 120         /* MAC address in (u48)a0 */
 121         CMD_GET_MAC_ADDR        = _CMDC(_CMD_DIR_READ,
 122                                         _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9),
 123
 124         /* add addr from (u48)a0 */
 125         CMD_ADDR_ADD            = _CMDCNW(_CMD_DIR_WRITE,
 126                                         _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12),
 127
 128         /* del addr from (u48)a0 */
 129         CMD_ADDR_DEL            = _CMDCNW(_CMD_DIR_WRITE,
 130                                         _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13),
 131
 132         /* add VLAN id in (u16)a0 */
 133         CMD_VLAN_ADD            = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14),
 134
 135         /* del VLAN id in (u16)a0 */
 136         CMD_VLAN_DEL            = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15),
 137
 138         /* nic_cfg (no wait, always succeeds)
 139          * in: (u32)a0
 140          *
 141          * Capability query:
 142          * out: (u64) a0 = 1 if a1 is valid
 143          *      (u64) a1 = (NIC_CFG bits supported) | (flags << 32)
 144          *
 145          * flags are CMD_NIC_CFG_CAPF_xxx
 146          */
 147         CMD_NIC_CFG             = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
 148         /* nic_cfg_chk (will return error if flags are invalid)
 149          * in: (u32)a0
 150          *
 151          * Capability query:
 152          * out: (u64) a0 = 1 if a1 is valid
 153          *      (u64) a1 = (NIC_CFG bits supported) | (flags << 32)
 154          *
 155          * flags are CMD_NIC_CFG_CAPF_xxx
 156          */
 157         CMD_NIC_CFG_CHK         = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
 158
 159         /* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */
 160         CMD_RSS_KEY             = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17),
 161
 162         /* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */
 163         CMD_RSS_CPU             = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18),
 164
 165         /* initiate softreset */
 166         CMD_SOFT_RESET          = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19),
 167
 168         /* softreset status:
 169          *    out: a0=0 reset complete, a0=1 reset in progress */
 170         CMD_SOFT_RESET_STATUS   = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20),
 171
 172         /* set struct vnic_devcmd_notify buffer in mem:
 173          * in:
 174          *   (u64)a0=paddr to notify (set paddr=0 to unset)
 175          *   (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
 176          *   (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
 177          * out:
 178          *   (u32)a1 = effective size
 179          */
 180         CMD_NOTIFY              = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21),
 181
 182         /* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct,
 183          *           (u8)a1=PXENV_UNDI_xxx */
 184         CMD_UNDI                = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22),
 185
 186         /* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */
 187         CMD_OPEN                = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23),
 188
 189         /* open status:
 190          *    out: a0=0 open complete, a0=1 open in progress */
 191         CMD_OPEN_STATUS         = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24),
 192
 193         /* close vnic */
 194         CMD_CLOSE               = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25),
 195
 196         /* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
 197 /***** Replaced by CMD_INIT *****/
 198         CMD_INIT_v1             = _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26),
 199
 200         /* variant of CMD_INIT, with provisioning info
 201          *     (u64)a0=paddr of vnic_devcmd_provinfo
 202          *     (u32)a1=sizeof provision info */
 203         CMD_INIT_PROV_INFO      = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27),
 204
 205         /* enable virtual link */
 206         CMD_ENABLE              = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),
 207
 208         /* enable virtual link, waiting variant. */
 209         CMD_ENABLE_WAIT         = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),
 210
 211         /* disable virtual link */
 212         CMD_DISABLE             = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29),
 213
 214         /* stats dump sum of all vnic stats on same uplink in mem:
 215          *     (u64)a0=paddr
 216          *     (u16)a1=sizeof stats area */
 217         CMD_STATS_DUMP_ALL      = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30),
 218
 219         /* init status:
 220          *    out: a0=0 init complete, a0=1 init in progress
 221          *         if a0=0, a1=errno */
 222         CMD_INIT_STATUS         = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31),
 223
 224         /* INT13 API: (u64)a0=paddr to vnic_int13_params struct
 225          *            (u32)a1=INT13_CMD_xxx */
 226         CMD_INT13               = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32),
 227
 228         /* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */
 229         CMD_LOGICAL_UPLINK      = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33),
 230
 231         /* undo initialize of virtual link */
 232         CMD_DEINIT              = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34),
 233
 234         /* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
 235         CMD_INIT                = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 35),
 236
 237         /* check fw capability of a cmd:
 238          * in:  (u32)a0=cmd
 239          * out: (u32)a0=errno, 0:valid cmd, a1=supported VNIC_STF_* bits */
 240         CMD_CAPABILITY          = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 36),
 241
 242         /* persistent binding info
 243          * in:  (u64)a0=paddr of arg
 244          *      (u32)a1=CMD_PERBI_XXX */
 245         CMD_PERBI               = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 37),
 246
 247         /* Interrupt Assert Register functionality
 248          * in: (u16)a0=interrupt number to assert
 249          */
 250         CMD_IAR                 = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 38),
 251
 252         /* initiate hangreset, like softreset after hang detected */
 253         CMD_HANG_RESET          = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 39),
 254
 255         /* hangreset status:
 256          *    out: a0=0 reset complete, a0=1 reset in progress */
 257         CMD_HANG_RESET_STATUS   = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 40),
 258
 259         /*
 260          * Set hw ingress packet vlan rewrite mode:
 261          * in:  (u32)a0=new vlan rewrite mode
 262          * out: (u32)a0=old vlan rewrite mode */
 263         CMD_IG_VLAN_REWRITE_MODE = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 41),
 264
 265         /*
 266          * in:  (u16)a0=bdf of target vnic
 267          *      (u32)a1=cmd to proxy
 268          *      a2-a15=args to cmd in a1
 269          * out: (u32)a0=status of proxied cmd
 270          *      a1-a15=out args of proxied cmd */
 271         CMD_PROXY_BY_BDF =      _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 42),
 272
 273         /*
 274          * As for BY_BDF except a0 is index of hvnlink subordinate vnic
 275          * or SR-IOV virtual vnic
 276          */
 277         CMD_PROXY_BY_INDEX =    _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 43),
 278
 279         /*
 280          * For HPP toggle:
 281          * adapter-info-get
 282          * in:  (u64)a0=phsical address of buffer passed in from caller.
 283          *      (u16)a1=size of buffer specified in a0.
 284          * out: (u64)a0=phsical address of buffer passed in from caller.
 285          *      (u16)a1=actual bytes from VIF-CONFIG-INFO TLV, or
 286          *              0 if no VIF-CONFIG-INFO TLV was ever received. */
 287         CMD_CONFIG_INFO_GET     = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 44),
 288
 289         /* INT13 API: (u64)a0=paddr to vnic_int13_params struct
 290          *            (u32)a1=INT13_CMD_xxx
 291          */
 292         CMD_INT13_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 45),
 293
 294         /* Set default vlan:
 295          * in: (u16)a0=new default vlan
 296          *     (u16)a1=zero for overriding vlan with param a0,
 297          *                     non-zero for resetting vlan to the default
 298          * out: (u16)a0=old default vlan
 299          */
 300         CMD_SET_DEFAULT_VLAN = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 46),
 301
 302         /* init_prov_info2:
 303          * Variant of CMD_INIT_PROV_INFO, where it will not try to enable
 304          * the vnic until CMD_ENABLE2 is issued.
 305          *     (u64)a0=paddr of vnic_devcmd_provinfo
 306          *     (u32)a1=sizeof provision info
 307          */
 308         CMD_INIT_PROV_INFO2  = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 47),
 309
 310         /* enable2:
 311          *      (u32)a0=0                  ==> standby
 312          *             =CMD_ENABLE2_ACTIVE ==> active
 313          */
 314         CMD_ENABLE2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 48),
 315
 316         /*
 317          * cmd_status:
 318          *     Returns the status of the specified command
 319          * Input:
 320          *     a0 = command for which status is being queried.
 321          *          Possible values are:
 322          *              CMD_SOFT_RESET
 323          *              CMD_HANG_RESET
 324          *              CMD_OPEN
 325          *              CMD_INIT
 326          *              CMD_INIT_PROV_INFO
 327          *              CMD_DEINIT
 328          *              CMD_INIT_PROV_INFO2
 329          *              CMD_ENABLE2
 330          * Output:
 331          *     if status == STAT_ERROR
 332          *        a0 = ERR_ENOTSUPPORTED - status for command in a0 is
 333          *                                 not supported
 334          *     if status == STAT_NONE
 335          *        a0 = status of the devcmd specified in a0 as follows.
 336          *             ERR_SUCCESS   - command in a0 completed successfully
 337          *             ERR_EINPROGRESS - command in a0 is still in progress
 338          */
 339         CMD_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 49),
 340
 341         /*
 342          * Returns interrupt coalescing timer conversion factors.
 343          * After calling this devcmd, ENIC driver can convert
 344          * interrupt coalescing timer in usec into CPU cycles as follows:
 345          *
 346          *   intr_timer_cycles = intr_timer_usec * multiplier / divisor
 347          *
 348          * Interrupt coalescing timer in usecs can be obtained from
 349          * CPU cycles as follows:
 350          *
 351          *   intr_timer_usec = intr_timer_cycles * divisor / multiplier
 352          *
 353          * in: none
 354          * out: (u32)a0 = multiplier
 355          *      (u32)a1 = divisor
 356          *      (u32)a2 = maximum timer value in usec
 357          */
 358         CMD_INTR_COAL_CONVERT = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 50),
 359
 360         /*
 361          * Set the predefined mac address as default
 362          * in:
 363          *   (u48)a0 = mac addr
 364          */
 365         CMD_SET_MAC_ADDR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 55),
 366
 367         /* Update the provisioning info of the given VIF
 368          *     (u64)a0=paddr of vnic_devcmd_provinfo
 369          *     (u32)a1=sizeof provision info
 370          */
 371         CMD_PROV_INFO_UPDATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 56),
 372
 373         /* Initialization for the devcmd2 interface.
 374          * in: (u64) a0 = host result buffer physical address
 375          * in: (u16) a1 = number of entries in result buffer
 376          */
 377         CMD_INITIALIZE_DEVCMD2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 57),
 378
 379         /* Add a filter.
 380          * in: (u64) a0= filter address
 381          *     (u32) a1= size of filter
 382          * out: (u32) a0=filter identifier
 383          */
 384         CMD_ADD_FILTER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 58),
 385
 386         /* Delete a filter.
 387          * in: (u32) a0=filter identifier
 388          */
 389         CMD_DEL_FILTER = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 59),
 390
 391         /* Enable a Queue Pair in User space NIC
 392          * in: (u32) a0=Queue Pair number
 393          *     (u32) a1= command
 394          */
 395         CMD_QP_ENABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 60),
 396
 397         /* Disable a Queue Pair in User space NIC
 398          * in: (u32) a0=Queue Pair number
 399          *     (u32) a1= command
 400          */
 401         CMD_QP_DISABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 61),
 402
 403         /* Stats dump Queue Pair in User space NIC
 404          * in: (u32) a0=Queue Pair number
 405          *     (u64) a1=host buffer addr for status dump
 406          *     (u32) a2=length of the buffer
 407          */
 408         CMD_QP_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 62),
 409
 410         /* Clear stats for Queue Pair in User space NIC
 411          * in: (u32) a0=Queue Pair number
 412          */
 413         CMD_QP_STATS_CLEAR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 63),
 414
 415         /* Use this devcmd for agreeing on the highest common version supported
 416          * by both driver and fw for features who need such a facility.
 417          * in:  (u64) a0 = feature (driver requests for the supported versions
 418          *      on this feature)
 419          * out: (u64) a0 = bitmap of all supported versions for that feature
 420          */
 421         CMD_GET_SUPP_FEATURE_VER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 69),
 422
 423         /* Control (Enable/Disable) overlay offloads on the given vnic
 424          * in: (u8) a0 = OVERLAY_FEATURE_NVGRE : NVGRE
 425          *          a0 = OVERLAY_FEATURE_VXLAN : VxLAN
 426          * in: (u8) a1 = OVERLAY_OFFLOAD_ENABLE : Enable or
 427          *          a1 = OVERLAY_OFFLOAD_DISABLE : Disable or
 428          *          a1 = OVERLAY_OFFLOAD_ENABLE_V2 : Enable with version 2
 429          */
 430         CMD_OVERLAY_OFFLOAD_CTRL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 72),
 431
 432         /* Configuration of overlay offloads feature on a given vNIC
 433          * in: (u8) a0 = DEVCMD_OVERLAY_NVGRE : NVGRE
 434          *          a0 = DEVCMD_OVERLAY_VXLAN : VxLAN
 435          * in: (u8) a1 = VXLAN_PORT_UPDATE : VxLAN
 436          * in: (u16) a2 = unsigned short int port information
 437          */
 438         CMD_OVERLAY_OFFLOAD_CFG = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 73),
 439 };
 440
 441 /* CMD_ENABLE2 flags */
 442 #define CMD_ENABLE2_STANDBY 0x0
 443 #define CMD_ENABLE2_ACTIVE  0x1
 444
 445 /* flags for CMD_OPEN */
 446 #define CMD_OPENF_OPROM         0x1     /* open coming from option rom */
 447 #define CMD_OPENF_IG_DESCCACHE  0x2     /* Do not flush IG DESC cache */
 448
 449 /* flags for CMD_INIT */
 450 #define CMD_INITF_DEFAULT_MAC   0x1     /* init with default mac addr */
 451
 452 /* flags for CMD_PACKET_FILTER */
 453 #define CMD_PFILTER_DIRECTED            0x01
 454 #define CMD_PFILTER_MULTICAST           0x02
 455 #define CMD_PFILTER_BROADCAST           0x04
 456 #define CMD_PFILTER_PROMISCUOUS         0x08
 457 #define CMD_PFILTER_ALL_MULTICAST       0x10
 458
 459 /* Commands for CMD_QP_ENABLE/CM_QP_DISABLE */
 460 #define CMD_QP_RQWQ                     0x0
 461
 462 /* rewrite modes for CMD_IG_VLAN_REWRITE_MODE */
 463 #define IG_VLAN_REWRITE_MODE_DEFAULT_TRUNK              0
 464 #define IG_VLAN_REWRITE_MODE_UNTAG_DEFAULT_VLAN         1
 465 #define IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN  2
 466 #define IG_VLAN_REWRITE_MODE_PASS_THRU                  3
 467
 468 enum vnic_devcmd_status {
 469         STAT_NONE = 0,
 470         STAT_BUSY = 1 << 0,     /* cmd in progress */
 471         STAT_ERROR = 1 << 1,    /* last cmd caused error (code in a0) */
 472 };
 473
 474 enum vnic_devcmd_error {
 475         ERR_SUCCESS = 0,
 476         ERR_EINVAL = 1,
 477         ERR_EFAULT = 2,
 478         ERR_EPERM = 3,
 479         ERR_EBUSY = 4,
 480         ERR_ECMDUNKNOWN = 5,
 481         ERR_EBADSTATE = 6,
 482         ERR_ENOMEM = 7,
 483         ERR_ETIMEDOUT = 8,
 484         ERR_ELINKDOWN = 9,
 485         ERR_EMAXRES = 10,
 486         ERR_ENOTSUPPORTED = 11,
 487         ERR_EINPROGRESS = 12,
 488         ERR_MAX
 489 };
 490
 491 /*
 492  * note: hw_version and asic_rev refer to the same thing,
 493  *       but have different formats. hw_version is
 494  *       a 32-byte string (e.g. "A2") and asic_rev is
 495  *       a 16-bit integer (e.g. 0xA2).
 496  */
 497 struct vnic_devcmd_fw_info {
 498         char fw_version[32];
 499         char fw_build[32];
 500         char hw_version[32];
 501         char hw_serial_number[32];
 502         u16 asic_type;
 503         u16 asic_rev;
 504 };
 505
 506 struct vnic_devcmd_notify {
 507         u32 csum;               /* checksum over following words */
 508
 509         u32 link_state;         /* link up == 1 */
 510         u32 port_speed;         /* effective port speed (rate limit) */
 511         u32 mtu;                /* MTU */
 512         u32 msglvl;             /* requested driver msg lvl */
 513         u32 uif;                /* uplink interface */
 514         u32 status;             /* status bits (see VNIC_STF_*) */
 515         u32 error;              /* error code (see ERR_*) for first ERR */
 516         u32 link_down_cnt;      /* running count of link down transitions */
 517         u32 perbi_rebuild_cnt;  /* running count of perbi rebuilds */
 518 };
 519 #define VNIC_STF_FATAL_ERR      0x0001  /* fatal fw error */
 520 #define VNIC_STF_STD_PAUSE      0x0002  /* standard link-level pause on */
 521 #define VNIC_STF_PFC_PAUSE      0x0004  /* priority flow control pause on */
 522 /* all supported status flags */
 523 #define VNIC_STF_ALL            (VNIC_STF_FATAL_ERR |\
 524                                  VNIC_STF_STD_PAUSE |\
 525                                  VNIC_STF_PFC_PAUSE |\
 526                                  0)
 527
 528 struct vnic_devcmd_provinfo {
 529         u8 oui[3];
 530         u8 type;
 531         u8 data[];
 532 };
 533
 534 /* These are used in flags field of different filters to denote
 535  * valid fields used.
 536  */
 537 #define FILTER_FIELD_VALID(fld) (1 << (fld - 1))
 538
 539 #define FILTER_FIELDS_USNIC ( \
 540                         FILTER_FIELD_VALID(1) | \
 541                         FILTER_FIELD_VALID(2) | \
 542                         FILTER_FIELD_VALID(3) | \
 543                         FILTER_FIELD_VALID(4))
 544
 545 #define FILTER_FIELDS_IPV4_5TUPLE ( \
 546                         FILTER_FIELD_VALID(1) | \
 547                         FILTER_FIELD_VALID(2) | \
 548                         FILTER_FIELD_VALID(3) | \
 549                         FILTER_FIELD_VALID(4) | \
 550                         FILTER_FIELD_VALID(5))
 551
 552 #define FILTER_FIELDS_MAC_VLAN ( \
 553                         FILTER_FIELD_VALID(1) | \
 554                         FILTER_FIELD_VALID(2))
 555
 556 #define FILTER_FIELD_USNIC_VLAN    FILTER_FIELD_VALID(1)
 557 #define FILTER_FIELD_USNIC_ETHTYPE FILTER_FIELD_VALID(2)
 558 #define FILTER_FIELD_USNIC_PROTO   FILTER_FIELD_VALID(3)
 559 #define FILTER_FIELD_USNIC_ID      FILTER_FIELD_VALID(4)
 560
 561 struct filter_usnic_id {
 562         u32 flags;
 563         u16 vlan;
 564         u16 ethtype;
 565         u8 proto_version;
 566         u32 usnic_id;
 567 } __packed;
 568
 569 #define FILTER_FIELD_5TUP_PROTO  FILTER_FIELD_VALID(1)
 570 #define FILTER_FIELD_5TUP_SRC_AD FILTER_FIELD_VALID(2)
 571 #define FILTER_FIELD_5TUP_DST_AD FILTER_FIELD_VALID(3)
 572 #define FILTER_FIELD_5TUP_SRC_PT FILTER_FIELD_VALID(4)
 573 #define FILTER_FIELD_5TUP_DST_PT FILTER_FIELD_VALID(5)
 574
 575 /* Enums for the protocol field. */
 576 enum protocol_e {
 577         PROTO_UDP = 0,
 578         PROTO_TCP = 1,
 579 };
 580
 581 struct filter_ipv4_5tuple {
 582         u32 flags;
 583         u32 protocol;
 584         u32 src_addr;
 585         u32 dst_addr;
 586         u16 src_port;
 587         u16 dst_port;
 588 } __packed;
 589
 590 #define FILTER_FIELD_VMQ_VLAN   FILTER_FIELD_VALID(1)
 591 #define FILTER_FIELD_VMQ_MAC    FILTER_FIELD_VALID(2)
 592
 593 struct filter_mac_vlan {
 594         u32 flags;
 595         u16 vlan;
 596         u8 mac_addr[6];
 597 } __packed;
 598
 599 /* Specifies the filter_action type. */
 600 enum {
 601         FILTER_ACTION_RQ_STEERING = 0,
 602         FILTER_ACTION_MAX
 603 };
 604
 605 struct filter_action {
 606         u32 type;
 607         union {
 608                 u32 rq_idx;
 609         } u;
 610 } __packed;
 611
 612 /* Specifies the filter type. */
 613 enum filter_type {
 614         FILTER_USNIC_ID = 0,
 615         FILTER_IPV4_5TUPLE = 1,
 616         FILTER_MAC_VLAN = 2,
 617         FILTER_MAX
 618 };
 619
 620 struct filter {
 621         u32 type;
 622         union {
 623                 struct filter_usnic_id usnic;
 624                 struct filter_ipv4_5tuple ipv4;
 625                 struct filter_mac_vlan mac_vlan;
 626         } u;
 627 } __packed;
 628
 629 enum {
 630         CLSF_TLV_FILTER = 0,
 631         CLSF_TLV_ACTION = 1,
 632 };
 633
 634 /* Maximum size of buffer to CMD_ADD_FILTER */
 635 #define FILTER_MAX_BUF_SIZE 100
 636
 637 struct filter_tlv {
 638         u32 type;
 639         u32 length;
 640         u32 val[];
 641 };
 642
 643 enum {
 644         CLSF_ADD = 0,
 645         CLSF_DEL = 1,
 646 };
 647
 648 /*
 649  * Writing cmd register causes STAT_BUSY to get set in status register.
 650  * When cmd completes, STAT_BUSY will be cleared.
 651  *
 652  * If cmd completed successfully STAT_ERROR will be clear
 653  * and args registers contain cmd-specific results.
 654  *
 655  * If cmd error, STAT_ERROR will be set and args[0] contains error code.
 656  *
 657  * status register is read-only.  While STAT_BUSY is set,
 658  * all other register contents are read-only.
 659  */
 660
 661 /* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */
 662 #define VNIC_DEVCMD_NARGS 15
 663 struct vnic_devcmd {
 664         u32 status;                     /* RO */
 665         u32 cmd;                        /* RW */
 666         u64 args[VNIC_DEVCMD_NARGS];    /* RW cmd args (little-endian) */
 667 };
 668
 669 #define DEVCMD2_FNORESULT       0x1     /* Don't copy result to host */
 670
 671 #define VNIC_DEVCMD2_NARGS      VNIC_DEVCMD_NARGS
 672 struct vnic_devcmd2 {
 673         u16 pad;
 674         u16 flags;
 675         u32 cmd;
 676         u64 args[VNIC_DEVCMD2_NARGS];
 677 };
 678
 679 #define VNIC_DEVCMD2_NRESULTS   VNIC_DEVCMD_NARGS
 680 struct devcmd2_result {
 681         u64 results[VNIC_DEVCMD2_NRESULTS];
 682         u32 pad;
 683         u16 completed_index;
 684         u8  error;
 685         u8  color;
 686 };
 687
 688 #define DEVCMD2_RING_SIZE       32
 689 #define DEVCMD2_DESC_SIZE       128
 690
 691 enum overlay_feature_t {
 692         OVERLAY_FEATURE_NVGRE = 1,
 693         OVERLAY_FEATURE_VXLAN,
 694         OVERLAY_FEATURE_MAX,
 695 };
 696
 697 enum overlay_ofld_cmd {
 698         OVERLAY_OFFLOAD_ENABLE,
 699         OVERLAY_OFFLOAD_DISABLE,
 700         OVERLAY_OFFLOAD_ENABLE_P2,
 701         OVERLAY_OFFLOAD_MAX,
 702 };
 703
 704 #define OVERLAY_CFG_VXLAN_PORT_UPDATE   0
 705
 706 #define ENIC_VXLAN_INNER_IPV6           BIT(0)
 707 #define ENIC_VXLAN_OUTER_IPV6           BIT(1)
 708 #define ENIC_VXLAN_MULTI_WQ             BIT(2)
 709
 710 /* Use this enum to get the supported versions for each of these features
 711  * If you need to use the devcmd_get_supported_feature_version(), add
 712  * the new feature into this enum and install function handler in devcmd.c
 713  */
 714 enum vic_feature_t {
 715         VIC_FEATURE_VXLAN,
 716         VIC_FEATURE_RDMA,
 717         VIC_FEATURE_VXLAN_PATCH,
 718         VIC_FEATURE_MAX,
 719 };
 720
 721 #endif /* _VNIC_DEVCMD_H_ */