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504 lines
16 KiB
504 lines
16 KiB
/* |
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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]; |
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}; |
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struct vnic_devcmd_notify { |
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u32 csum; /* checksum over following words */ |
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u32 link_state; /* link up == 1 */ |
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u32 port_speed; /* effective port speed (rate limit) */ |
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u32 mtu; /* MTU */ |
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u32 msglvl; /* requested driver msg lvl */ |
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u32 uif; /* uplink interface */ |
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u32 status; /* status bits (see VNIC_STF_*) */ |
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u32 error; /* error code (see ERR_*) for first ERR */ |
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u32 link_down_cnt; /* running count of link down transitions */ |
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}; |
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#define VNIC_STF_FATAL_ERR 0x0001 /* fatal fw error */ |
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struct vnic_devcmd_provinfo { |
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u8 oui[3]; |
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u8 type; |
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u8 data[]; |
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}; |
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/* |
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* Writing cmd register causes STAT_BUSY to get set in status register. |
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* When cmd completes, STAT_BUSY will be cleared. |
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* |
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* If cmd completed successfully STAT_ERROR will be clear |
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* and args registers contain cmd-specific results. |
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* |
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* If cmd error, STAT_ERROR will be set and args[0] contains error code. |
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* |
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* status register is read-only. While STAT_BUSY is set, |
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* all other register contents are read-only. |
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*/ |
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/* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */ |
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#define VNIC_DEVCMD_NARGS 15 |
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struct vnic_devcmd { |
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u32 status; /* RO */ |
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u32 cmd; /* RW */ |
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u64 args[VNIC_DEVCMD_NARGS]; /* RW cmd args (little-endian) */ |
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}; |
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/* |
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* Version 2 of the interface. |
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* |
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* Some things are carried over, notably the vnic_devcmd_cmd enum. |
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*/ |
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/* |
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* Flags for vnic_devcmd2.flags |
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*/ |
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#define DEVCMD2_FNORESULT 0x1 /* Don't copy result to host */ |
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#define VNIC_DEVCMD2_NARGS VNIC_DEVCMD_NARGS |
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struct vnic_devcmd2 { |
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u16 pad; |
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u16 flags; |
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u32 cmd; /* same command #defines as original */ |
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u64 args[VNIC_DEVCMD2_NARGS]; |
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}; |
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#define VNIC_DEVCMD2_NRESULTS VNIC_DEVCMD_NARGS |
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struct devcmd2_result { |
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u64 results[VNIC_DEVCMD2_NRESULTS]; |
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u32 pad; |
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u16 completed_index; /* into copy WQ */ |
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u8 error; /* same error codes as original */ |
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u8 color; /* 0 or 1 as with completion queues */ |
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}; |
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#define DEVCMD2_RING_SIZE 32 |
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#define DEVCMD2_DESC_SIZE 128 |
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#define DEVCMD2_RESULTS_SIZE_MAX ((1 << 16) - 1) |
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#endif /* _VNIC_DEVCMD_H_ */
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