mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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5ed827a62f
This patch adds the fnic devcmd2 command structre and the command result structure definitions. Signed-off-by: Satish Kharat <satishkh@cisco.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
505 lines
16 KiB
C
505 lines
16 KiB
C
/*
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* Copyright 2008 Cisco Systems, Inc. All rights reserved.
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* Copyright 2007 Nuova Systems, Inc. All rights reserved.
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*
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* This program is free software; you may redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef _VNIC_DEVCMD_H_
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#define _VNIC_DEVCMD_H_
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#define _CMD_NBITS 14
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#define _CMD_VTYPEBITS 10
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#define _CMD_FLAGSBITS 6
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#define _CMD_DIRBITS 2
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#define _CMD_NMASK ((1 << _CMD_NBITS)-1)
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#define _CMD_VTYPEMASK ((1 << _CMD_VTYPEBITS)-1)
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#define _CMD_FLAGSMASK ((1 << _CMD_FLAGSBITS)-1)
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#define _CMD_DIRMASK ((1 << _CMD_DIRBITS)-1)
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#define _CMD_NSHIFT 0
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#define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS)
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#define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS)
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#define _CMD_DIRSHIFT (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS)
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/*
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* Direction bits (from host perspective).
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*/
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#define _CMD_DIR_NONE 0U
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#define _CMD_DIR_WRITE 1U
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#define _CMD_DIR_READ 2U
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#define _CMD_DIR_RW (_CMD_DIR_WRITE | _CMD_DIR_READ)
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/*
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* Flag bits.
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*/
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#define _CMD_FLAGS_NONE 0U
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#define _CMD_FLAGS_NOWAIT 1U
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/*
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* vNIC type bits.
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*/
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#define _CMD_VTYPE_NONE 0U
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#define _CMD_VTYPE_ENET 1U
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#define _CMD_VTYPE_FC 2U
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#define _CMD_VTYPE_SCSI 4U
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#define _CMD_VTYPE_ALL (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI)
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/*
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* Used to create cmds..
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*/
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#define _CMDCF(dir, flags, vtype, nr) \
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(((dir) << _CMD_DIRSHIFT) | \
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((flags) << _CMD_FLAGSSHIFT) | \
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((vtype) << _CMD_VTYPESHIFT) | \
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((nr) << _CMD_NSHIFT))
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#define _CMDC(dir, vtype, nr) _CMDCF(dir, 0, vtype, nr)
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#define _CMDCNW(dir, vtype, nr) _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr)
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/*
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* Used to decode cmds..
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*/
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#define _CMD_DIR(cmd) (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK)
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#define _CMD_FLAGS(cmd) (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK)
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#define _CMD_VTYPE(cmd) (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK)
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#define _CMD_N(cmd) (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK)
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enum vnic_devcmd_cmd {
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CMD_NONE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0),
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/* mcpu fw info in mem: (u64)a0=paddr to struct vnic_devcmd_fw_info */
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CMD_MCPU_FW_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1),
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/* dev-specific block member:
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* in: (u16)a0=offset,(u8)a1=size
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* out: a0=value */
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CMD_DEV_SPEC = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2),
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/* stats clear */
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CMD_STATS_CLEAR = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3),
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/* stats dump in mem: (u64)a0=paddr to stats area,
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* (u16)a1=sizeof stats area */
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CMD_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4),
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/* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */
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CMD_PACKET_FILTER = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 7),
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/* hang detection notification */
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CMD_HANG_NOTIFY = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8),
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/* MAC address in (u48)a0 */
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CMD_MAC_ADDR = _CMDC(_CMD_DIR_READ,
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_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9),
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/* disable/enable promisc mode: (u8)a0=0/1 */
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/***** XXX DEPRECATED *****/
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CMD_PROMISC_MODE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 10),
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/* disable/enable all-multi mode: (u8)a0=0/1 */
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/***** XXX DEPRECATED *****/
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CMD_ALLMULTI_MODE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 11),
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/* add addr from (u48)a0 */
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CMD_ADDR_ADD = _CMDCNW(_CMD_DIR_WRITE,
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_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12),
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/* del addr from (u48)a0 */
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CMD_ADDR_DEL = _CMDCNW(_CMD_DIR_WRITE,
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_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13),
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/* add VLAN id in (u16)a0 */
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CMD_VLAN_ADD = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14),
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/* del VLAN id in (u16)a0 */
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CMD_VLAN_DEL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15),
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/* nic_cfg in (u32)a0 */
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CMD_NIC_CFG = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
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/* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */
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CMD_RSS_KEY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17),
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/* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */
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CMD_RSS_CPU = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18),
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/* initiate softreset */
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CMD_SOFT_RESET = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19),
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/* softreset status:
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* out: a0=0 reset complete, a0=1 reset in progress */
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CMD_SOFT_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20),
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/* set struct vnic_devcmd_notify buffer in mem:
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* in:
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* (u64)a0=paddr to notify (set paddr=0 to unset)
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* (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
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* (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
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* out:
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* (u32)a1 = effective size
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*/
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CMD_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21),
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/* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct,
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* (u8)a1=PXENV_UNDI_xxx */
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CMD_UNDI = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22),
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/* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */
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CMD_OPEN = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23),
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/* open status:
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* out: a0=0 open complete, a0=1 open in progress */
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CMD_OPEN_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24),
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/* close vnic */
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CMD_CLOSE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25),
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/* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
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CMD_INIT = _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26),
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/* variant of CMD_INIT, with provisioning info
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* (u64)a0=paddr of vnic_devcmd_provinfo
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* (u32)a1=sizeof provision info
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*/
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CMD_INIT_PROV_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27),
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/* enable virtual link */
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CMD_ENABLE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),
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/* disable virtual link */
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CMD_DISABLE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29),
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/* stats dump all vnics on uplink in mem: (u64)a0=paddr (u32)a1=uif */
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CMD_STATS_DUMP_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30),
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/* init status:
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* out: a0=0 init complete, a0=1 init in progress
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* if a0=0, a1=errno */
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CMD_INIT_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31),
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/* INT13 API: (u64)a0=paddr to vnic_int13_params struct
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* (u8)a1=INT13_CMD_xxx */
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CMD_INT13 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32),
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/* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */
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CMD_LOGICAL_UPLINK = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33),
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/* undo initialize of virtual link */
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CMD_DEINIT = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34),
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/* check fw capability of a cmd:
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* in: (u32)a0=cmd
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* out: (u32)a0=errno, 0:valid cmd, a1=supported VNIC_STF_* bits */
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CMD_CAPABILITY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 36),
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/* persistent binding info
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* in: (u64)a0=paddr of arg
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* (u32)a1=CMD_PERBI_XXX */
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CMD_PERBI = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 37),
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/* Interrupt Assert Register functionality
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* in: (u16)a0=interrupt number to assert
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*/
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CMD_IAR = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 38),
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/* initiate hangreset, like softreset after hang detected */
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CMD_HANG_RESET = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 39),
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/* hangreset status:
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* out: a0=0 reset complete, a0=1 reset in progress */
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CMD_HANG_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 40),
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/*
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* Set hw ingress packet vlan rewrite mode:
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* in: (u32)a0=new vlan rewrite mode
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* out: (u32)a0=old vlan rewrite mode */
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CMD_IG_VLAN_REWRITE_MODE = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 41),
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/*
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* in: (u16)a0=bdf of target vnic
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* (u32)a1=cmd to proxy
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* a2-a15=args to cmd in a1
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* out: (u32)a0=status of proxied cmd
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* a1-a15=out args of proxied cmd */
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CMD_PROXY_BY_BDF = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 42),
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/*
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* As for BY_BDF except a0 is index of hvnlink subordinate vnic
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* or SR-IOV virtual vnic
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*/
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CMD_PROXY_BY_INDEX = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 43),
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/*
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* For HPP toggle:
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* adapter-info-get
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* in: (u64)a0=phsical address of buffer passed in from caller.
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* (u16)a1=size of buffer specified in a0.
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* out: (u64)a0=phsical address of buffer passed in from caller.
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* (u16)a1=actual bytes from VIF-CONFIG-INFO TLV, or
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* 0 if no VIF-CONFIG-INFO TLV was ever received. */
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CMD_CONFIG_INFO_GET = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 44),
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/*
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* INT13 API: (u64)a0=paddr to vnic_int13_params struct
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* (u32)a1=INT13_CMD_xxx
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*/
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CMD_INT13_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 45),
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/*
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* Set default vlan:
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* in: (u16)a0=new default vlan
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* (u16)a1=zero for overriding vlan with param a0,
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* non-zero for resetting vlan to the default
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* out: (u16)a0=old default vlan
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*/
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CMD_SET_DEFAULT_VLAN = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 46),
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/* init_prov_info2:
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* Variant of CMD_INIT_PROV_INFO, where it will not try to enable
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* the vnic until CMD_ENABLE2 is issued.
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* (u64)a0=paddr of vnic_devcmd_provinfo
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* (u32)a1=sizeof provision info
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*/
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CMD_INIT_PROV_INFO2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 47),
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/* enable2:
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* (u32)a0=0 ==> standby
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* =CMD_ENABLE2_ACTIVE ==> active
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*/
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CMD_ENABLE2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 48),
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/*
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* cmd_status:
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* Returns the status of the specified command
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* Input:
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* a0 = command for which status is being queried.
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* Possible values are:
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* CMD_SOFT_RESET
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* CMD_HANG_RESET
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* CMD_OPEN
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* CMD_INIT
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* CMD_INIT_PROV_INFO
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* CMD_DEINIT
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* CMD_INIT_PROV_INFO2
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* CMD_ENABLE2
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* Output:
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* if status == STAT_ERROR
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* a0 = ERR_ENOTSUPPORTED - status for command in a0 is
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* not supported
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* if status == STAT_NONE
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* a0 = status of the devcmd specified in a0 as follows.
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* ERR_SUCCESS - command in a0 completed successfully
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* ERR_EINPROGRESS - command in a0 is still in progress
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*/
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CMD_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 49),
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/*
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* Returns interrupt coalescing timer conversion factors.
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* After calling this devcmd, ENIC driver can convert
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* interrupt coalescing timer in usec into CPU cycles as follows:
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*
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* intr_timer_cycles = intr_timer_usec * multiplier / divisor
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*
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* Interrupt coalescing timer in usecs can be be converted/obtained
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* from CPU cycles as follows:
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*
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* intr_timer_usec = intr_timer_cycles * divisor / multiplier
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*
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* in: none
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* out: (u32)a0 = multiplier
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* (u32)a1 = divisor
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* (u32)a2 = maximum timer value in usec
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*/
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CMD_INTR_COAL_CONVERT = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 50),
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/*
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* ISCSI DUMP API:
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* in: (u64)a0=paddr of the param or param itself
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* (u32)a1=ISCSI_CMD_xxx
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*/
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CMD_ISCSI_DUMP_REQ = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 51),
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/*
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* ISCSI DUMP STATUS API:
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* in: (u32)a0=cmd tag
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* in: (u32)a1=ISCSI_CMD_xxx
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* out: (u32)a0=cmd status
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*/
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CMD_ISCSI_DUMP_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 52),
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/*
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* Subvnic migration from MQ <--> VF.
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* Enable the LIF migration from MQ to VF and vice versa. MQ and VF
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* indexes are statically bound at the time of initialization.
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* Based on the
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* direction of migration, the resources of either MQ or the VF shall
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* be attached to the LIF.
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* in: (u32)a0=Direction of Migration
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* 0=> Migrate to VF
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* 1=> Migrate to MQ
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* (u32)a1=VF index (MQ index)
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*/
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CMD_MIGRATE_SUBVNIC = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 53),
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/*
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* Register / Deregister the notification block for MQ subvnics
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* in:
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* (u64)a0=paddr to notify (set paddr=0 to unset)
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* (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
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* (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
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* out:
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* (u32)a1 = effective size
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*/
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CMD_SUBVNIC_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 54),
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/*
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* Set the predefined mac address as default
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* in:
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* (u48)a0=mac addr
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*/
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CMD_SET_MAC_ADDR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 55),
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/* Update the provisioning info of the given VIF
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* (u64)a0=paddr of vnic_devcmd_provinfo
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* (u32)a1=sizeof provision info
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*/
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CMD_PROV_INFO_UPDATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 56),
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/*
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* Initialization for the devcmd2 interface.
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* in: (u64) a0=host result buffer physical address
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* in: (u16) a1=number of entries in result buffer
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*/
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CMD_INITIALIZE_DEVCMD2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 57)
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};
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/* flags for CMD_OPEN */
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#define CMD_OPENF_OPROM 0x1 /* open coming from option rom */
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#define CMD_OPENF_RQ_ENABLE_THEN_POST 0x2
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/* flags for CMD_INIT */
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#define CMD_INITF_DEFAULT_MAC 0x1 /* init with default mac addr */
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/* flags for CMD_PACKET_FILTER */
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#define CMD_PFILTER_DIRECTED 0x01
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#define CMD_PFILTER_MULTICAST 0x02
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#define CMD_PFILTER_BROADCAST 0x04
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#define CMD_PFILTER_PROMISCUOUS 0x08
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#define CMD_PFILTER_ALL_MULTICAST 0x10
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enum vnic_devcmd_status {
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STAT_NONE = 0,
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STAT_BUSY = 1 << 0, /* cmd in progress */
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STAT_ERROR = 1 << 1, /* last cmd caused error (code in a0) */
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};
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enum vnic_devcmd_error {
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ERR_SUCCESS = 0,
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ERR_EINVAL = 1,
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ERR_EFAULT = 2,
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ERR_EPERM = 3,
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ERR_EBUSY = 4,
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ERR_ECMDUNKNOWN = 5,
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ERR_EBADSTATE = 6,
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ERR_ENOMEM = 7,
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ERR_ETIMEDOUT = 8,
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ERR_ELINKDOWN = 9,
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};
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struct vnic_devcmd_fw_info {
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char fw_version[32];
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char fw_build[32];
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char hw_version[32];
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char hw_serial_number[32];
|
|
};
|
|
|
|
struct vnic_devcmd_notify {
|
|
u32 csum; /* checksum over following words */
|
|
|
|
u32 link_state; /* link up == 1 */
|
|
u32 port_speed; /* effective port speed (rate limit) */
|
|
u32 mtu; /* MTU */
|
|
u32 msglvl; /* requested driver msg lvl */
|
|
u32 uif; /* uplink interface */
|
|
u32 status; /* status bits (see VNIC_STF_*) */
|
|
u32 error; /* error code (see ERR_*) for first ERR */
|
|
u32 link_down_cnt; /* running count of link down transitions */
|
|
};
|
|
#define VNIC_STF_FATAL_ERR 0x0001 /* fatal fw error */
|
|
|
|
struct vnic_devcmd_provinfo {
|
|
u8 oui[3];
|
|
u8 type;
|
|
u8 data[0];
|
|
};
|
|
|
|
/*
|
|
* Writing cmd register causes STAT_BUSY to get set in status register.
|
|
* When cmd completes, STAT_BUSY will be cleared.
|
|
*
|
|
* If cmd completed successfully STAT_ERROR will be clear
|
|
* and args registers contain cmd-specific results.
|
|
*
|
|
* If cmd error, STAT_ERROR will be set and args[0] contains error code.
|
|
*
|
|
* status register is read-only. While STAT_BUSY is set,
|
|
* all other register contents are read-only.
|
|
*/
|
|
|
|
/* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */
|
|
#define VNIC_DEVCMD_NARGS 15
|
|
struct vnic_devcmd {
|
|
u32 status; /* RO */
|
|
u32 cmd; /* RW */
|
|
u64 args[VNIC_DEVCMD_NARGS]; /* RW cmd args (little-endian) */
|
|
};
|
|
|
|
/*
|
|
* Version 2 of the interface.
|
|
*
|
|
* Some things are carried over, notably the vnic_devcmd_cmd enum.
|
|
*/
|
|
|
|
/*
|
|
* Flags for vnic_devcmd2.flags
|
|
*/
|
|
|
|
#define DEVCMD2_FNORESULT 0x1 /* Don't copy result to host */
|
|
|
|
#define VNIC_DEVCMD2_NARGS VNIC_DEVCMD_NARGS
|
|
|
|
struct vnic_devcmd2 {
|
|
u16 pad;
|
|
u16 flags;
|
|
u32 cmd; /* same command #defines as original */
|
|
u64 args[VNIC_DEVCMD2_NARGS];
|
|
};
|
|
|
|
#define VNIC_DEVCMD2_NRESULTS VNIC_DEVCMD_NARGS
|
|
struct devcmd2_result {
|
|
u64 results[VNIC_DEVCMD2_NRESULTS];
|
|
u32 pad;
|
|
u16 completed_index; /* into copy WQ */
|
|
u8 error; /* same error codes as original */
|
|
u8 color; /* 0 or 1 as with completion queues */
|
|
};
|
|
|
|
#define DEVCMD2_RING_SIZE 32
|
|
#define DEVCMD2_DESC_SIZE 128
|
|
|
|
#define DEVCMD2_RESULTS_SIZE_MAX ((1 << 16) - 1)
|
|
|
|
#endif /* _VNIC_DEVCMD_H_ */
|