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OpenCloudOS-Kernel/drivers/net/enic/vnic_devcmd.h

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/*
* Copyright 2008 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
*
* This program is free software; you may redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
*/
#ifndef _VNIC_DEVCMD_H_
#define _VNIC_DEVCMD_H_
#define _CMD_NBITS 14
#define _CMD_VTYPEBITS 10
#define _CMD_FLAGSBITS 6
#define _CMD_DIRBITS 2
#define _CMD_NMASK ((1 << _CMD_NBITS)-1)
#define _CMD_VTYPEMASK ((1 << _CMD_VTYPEBITS)-1)
#define _CMD_FLAGSMASK ((1 << _CMD_FLAGSBITS)-1)
#define _CMD_DIRMASK ((1 << _CMD_DIRBITS)-1)
#define _CMD_NSHIFT 0
#define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS)
#define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS)
#define _CMD_DIRSHIFT (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS)
/*
* Direction bits (from host perspective).
*/
#define _CMD_DIR_NONE 0U
#define _CMD_DIR_WRITE 1U
#define _CMD_DIR_READ 2U
#define _CMD_DIR_RW (_CMD_DIR_WRITE | _CMD_DIR_READ)
/*
* Flag bits.
*/
#define _CMD_FLAGS_NONE 0U
#define _CMD_FLAGS_NOWAIT 1U
/*
* vNIC type bits.
*/
#define _CMD_VTYPE_NONE 0U
#define _CMD_VTYPE_ENET 1U
#define _CMD_VTYPE_FC 2U
#define _CMD_VTYPE_SCSI 4U
#define _CMD_VTYPE_ALL (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI)
/*
* Used to create cmds..
*/
#define _CMDCF(dir, flags, vtype, nr) \
(((dir) << _CMD_DIRSHIFT) | \
((flags) << _CMD_FLAGSSHIFT) | \
((vtype) << _CMD_VTYPESHIFT) | \
((nr) << _CMD_NSHIFT))
#define _CMDC(dir, vtype, nr) _CMDCF(dir, 0, vtype, nr)
#define _CMDCNW(dir, vtype, nr) _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr)
/*
* Used to decode cmds..
*/
#define _CMD_DIR(cmd) (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK)
#define _CMD_FLAGS(cmd) (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK)
#define _CMD_VTYPE(cmd) (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK)
#define _CMD_N(cmd) (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK)
enum vnic_devcmd_cmd {
CMD_NONE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0),
/* mcpu fw info in mem: (u64)a0=paddr to struct vnic_devcmd_fw_info */
CMD_MCPU_FW_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1),
/* dev-specific block member:
* in: (u16)a0=offset,(u8)a1=size
* out: a0=value */
CMD_DEV_SPEC = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2),
/* stats clear */
CMD_STATS_CLEAR = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3),
/* stats dump in mem: (u64)a0=paddr to stats area,
* (u16)a1=sizeof stats area */
CMD_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4),
/* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */
CMD_PACKET_FILTER = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 7),
/* hang detection notification */
CMD_HANG_NOTIFY = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8),
/* MAC address in (u48)a0 */
CMD_MAC_ADDR = _CMDC(_CMD_DIR_READ,
_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9),
/* disable/enable promisc mode: (u8)a0=0/1 */
/***** XXX DEPRECATED *****/
CMD_PROMISC_MODE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 10),
/* disable/enable all-multi mode: (u8)a0=0/1 */
/***** XXX DEPRECATED *****/
CMD_ALLMULTI_MODE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 11),
/* add addr from (u48)a0 */
CMD_ADDR_ADD = _CMDCNW(_CMD_DIR_WRITE,
_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12),
/* del addr from (u48)a0 */
CMD_ADDR_DEL = _CMDCNW(_CMD_DIR_WRITE,
_CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13),
/* add VLAN id in (u16)a0 */
CMD_VLAN_ADD = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14),
/* del VLAN id in (u16)a0 */
CMD_VLAN_DEL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15),
/* nic_cfg in (u32)a0 */
CMD_NIC_CFG = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16),
/* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */
CMD_RSS_KEY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17),
/* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */
CMD_RSS_CPU = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18),
/* initiate softreset */
CMD_SOFT_RESET = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19),
/* softreset status:
* out: a0=0 reset complete, a0=1 reset in progress */
CMD_SOFT_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20),
/* set struct vnic_devcmd_notify buffer in mem:
* in:
* (u64)a0=paddr to notify (set paddr=0 to unset)
* (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify)
* (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr)
* out:
* (u32)a1 = effective size
*/
CMD_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21),
/* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct,
* (u8)a1=PXENV_UNDI_xxx */
CMD_UNDI = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22),
/* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */
CMD_OPEN = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23),
/* open status:
* out: a0=0 open complete, a0=1 open in progress */
CMD_OPEN_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24),
/* close vnic */
CMD_CLOSE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25),
/* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
/***** Replaced by CMD_INIT *****/
CMD_INIT_v1 = _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26),
/* variant of CMD_INIT, with provisioning info
* (u64)a0=paddr of vnic_devcmd_provinfo
* (u32)a1=sizeof provision info */
CMD_INIT_PROV_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27),
/* enable virtual link */
CMD_ENABLE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28),
/* disable virtual link */
CMD_DISABLE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29),
/* stats dump all vnics on uplink in mem: (u64)a0=paddr (u32)a1=uif */
CMD_STATS_DUMP_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30),
/* init status:
* out: a0=0 init complete, a0=1 init in progress
* if a0=0, a1=errno */
CMD_INIT_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31),
/* INT13 API: (u64)a0=paddr to vnic_int13_params struct
* (u32)a1=INT13_CMD_xxx */
CMD_INT13 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32),
/* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */
CMD_LOGICAL_UPLINK = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33),
/* undo initialize of virtual link */
CMD_DEINIT = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34),
/* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */
CMD_INIT = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 35),
/* check fw capability of a cmd:
* in: (u32)a0=cmd
* out: (u32)a0=errno, 0:valid cmd, a1=supported VNIC_STF_* bits */
CMD_CAPABILITY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 36),
/* persistent binding info
* in: (u64)a0=paddr of arg
* (u32)a1=CMD_PERBI_XXX */
CMD_PERBI = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 37),
};
/* flags for CMD_OPEN */
#define CMD_OPENF_OPROM 0x1 /* open coming from option rom */
/* flags for CMD_INIT */
#define CMD_INITF_DEFAULT_MAC 0x1 /* init with default mac addr */
/* flags for CMD_PACKET_FILTER */
#define CMD_PFILTER_DIRECTED 0x01
#define CMD_PFILTER_MULTICAST 0x02
#define CMD_PFILTER_BROADCAST 0x04
#define CMD_PFILTER_PROMISCUOUS 0x08
#define CMD_PFILTER_ALL_MULTICAST 0x10
enum vnic_devcmd_status {
STAT_NONE = 0,
STAT_BUSY = 1 << 0, /* cmd in progress */
STAT_ERROR = 1 << 1, /* last cmd caused error (code in a0) */
};
enum vnic_devcmd_error {
ERR_SUCCESS = 0,
ERR_EINVAL = 1,
ERR_EFAULT = 2,
ERR_EPERM = 3,
ERR_EBUSY = 4,
ERR_ECMDUNKNOWN = 5,
ERR_EBADSTATE = 6,
ERR_ENOMEM = 7,
ERR_ETIMEDOUT = 8,
ERR_ELINKDOWN = 9,
};
struct vnic_devcmd_fw_info {
char fw_version[32];
char fw_build[32];
char hw_version[32];
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 */
u32 perbi_rebuild_cnt; /* running count of perbi rebuilds */
};
#define VNIC_STF_FATAL_ERR 0x0001 /* fatal fw error */
#define VNIC_STF_STD_PAUSE 0x0002 /* standard link-level pause on */
#define VNIC_STF_PFC_PAUSE 0x0004 /* priority flow control pause on */
/* all supported status flags */
#define VNIC_STF_ALL (VNIC_STF_FATAL_ERR |\
VNIC_STF_STD_PAUSE |\
VNIC_STF_PFC_PAUSE |\
0)
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) */
};
#endif /* _VNIC_DEVCMD_H_ */
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