/* * Copyright 2008-2016 Cisco Systems, Inc. All rights reserved. * Copyright 2007 Nuova Systems, Inc. All rights reserved. * * Copyright (c) 2014, Cisco Systems, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * */ #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) #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) enum vnic_devcmd_cmd { CMD_NONE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0), /* * mcpu fw info in mem: * in: * (u64)a0=paddr to struct vnic_devcmd_fw_info * action: * Fills in struct vnic_devcmd_fw_info (128 bytes) * note: * An old definition of CMD_MCPU_FW_INFO */ CMD_MCPU_FW_INFO_OLD = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1), /* * mcpu fw info in mem: * in: * (u64)a0=paddr to struct vnic_devcmd_fw_info * (u16)a1=size of the structure * out: * (u16)a1=0 for in:a1 = 0, * data size actually written for other values. * action: * Fills in first 128 bytes of vnic_devcmd_fw_info for in:a1 = 0, * first in:a1 bytes for 0 < in:a1 <= 132, * 132 bytes for other values of in:a1. * note: * CMD_MCPU_FW_INFO and CMD_MCPU_FW_INFO_OLD have the same enum 1 * for source compatibility. */ CMD_MCPU_FW_INFO = _CMDC(_CMD_DIR_RW, _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), /* set Rx packet filter for all: (u32)a0=filters (see CMD_PFILTER_*) */ CMD_PACKET_FILTER_ALL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 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), #define CMD_GET_MAC_ADDR CMD_MAC_ADDR /* some uses are aliased */ /* 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), /* enable virtual link, waiting variant. */ CMD_ENABLE_WAIT = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28), /* disable virtual link */ CMD_DISABLE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29), /* stats dump sum of all vnic stats on same uplink in mem: * (u64)a0=paddr * (u16)a1=sizeof stats area */ 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), /* Interrupt Assert Register functionality * in: (u16)a0=interrupt number to assert */ CMD_IAR = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 38), /* initiate hangreset, like softreset after hang detected */ CMD_HANG_RESET = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 39), /* hangreset status: * out: a0=0 reset complete, a0=1 reset in progress */ CMD_HANG_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 40), /* * Set hw ingress packet vlan rewrite mode: * in: (u32)a0=new vlan rewrite mode * out: (u32)a0=old vlan rewrite mode */ CMD_IG_VLAN_REWRITE_MODE = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 41), /* * in: (u16)a0=bdf of target vnic * (u32)a1=cmd to proxy * a2-a15=args to cmd in a1 * out: (u32)a0=status of proxied cmd * a1-a15=out args of proxied cmd */ CMD_PROXY_BY_BDF = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 42), /* * As for BY_BDF except a0 is index of hvnlink subordinate vnic * or SR-IOV virtual vnic */ CMD_PROXY_BY_INDEX = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 43), /* * For HPP toggle: * adapter-info-get * in: (u64)a0=phsical address of buffer passed in from caller. * (u16)a1=size of buffer specified in a0. * out: (u64)a0=phsical address of buffer passed in from caller. * (u16)a1=actual bytes from VIF-CONFIG-INFO TLV, or * 0 if no VIF-CONFIG-INFO TLV was ever received. */ CMD_CONFIG_INFO_GET = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 44), /* * INT13 API: (u64)a0=paddr to vnic_int13_params struct * (u32)a1=INT13_CMD_xxx */ CMD_INT13_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 45), /* * Set default vlan: * in: (u16)a0=new default vlan * (u16)a1=zero for overriding vlan with param a0, * non-zero for resetting vlan to the default * out: (u16)a0=old default vlan */ CMD_SET_DEFAULT_VLAN = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 46), /* init_prov_info2: * Variant of CMD_INIT_PROV_INFO, where it will not try to enable * the vnic until CMD_ENABLE2 is issued. * (u64)a0=paddr of vnic_devcmd_provinfo * (u32)a1=sizeof provision info */ CMD_INIT_PROV_INFO2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 47), /* enable2: * (u32)a0=0 ==> standby * =CMD_ENABLE2_ACTIVE ==> active */ CMD_ENABLE2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 48), /* * cmd_status: * Returns the status of the specified command * Input: * a0 = command for which status is being queried. * Possible values are: * CMD_SOFT_RESET * CMD_HANG_RESET * CMD_OPEN * CMD_INIT * CMD_INIT_PROV_INFO * CMD_DEINIT * CMD_INIT_PROV_INFO2 * CMD_ENABLE2 * Output: * if status == STAT_ERROR * a0 = ERR_ENOTSUPPORTED - status for command in a0 is * not supported * if status == STAT_NONE * a0 = status of the devcmd specified in a0 as follows. * ERR_SUCCESS - command in a0 completed successfully * ERR_EINPROGRESS - command in a0 is still in progress */ CMD_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 49), /* * Returns interrupt coalescing timer conversion factors. * After calling this devcmd, ENIC driver can convert * interrupt coalescing timer in usec into CPU cycles as follows: * * intr_timer_cycles = intr_timer_usec * multiplier / divisor * * Interrupt coalescing timer in usecs can be be converted/obtained * from CPU cycles as follows: * * intr_timer_usec = intr_timer_cycles * divisor / multiplier * * in: none * out: (u32)a0 = multiplier * (u32)a1 = divisor * (u32)a2 = maximum timer value in usec */ CMD_INTR_COAL_CONVERT = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 50), /* * ISCSI DUMP API: * in: (u64)a0=paddr of the param or param itself * (u32)a1=ISCSI_CMD_xxx */ CMD_ISCSI_DUMP_REQ = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 51), /* * ISCSI DUMP STATUS API: * in: (u32)a0=cmd tag * in: (u32)a1=ISCSI_CMD_xxx * out: (u32)a0=cmd status */ CMD_ISCSI_DUMP_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 52), /* * Subvnic migration from MQ <--> VF. * Enable the LIF migration from MQ to VF and vice versa. MQ and VF * indexes are statically bound at the time of initialization. * Based on the direction of migration, the resources of either MQ or * the VF shall be attached to the LIF. * in: (u32)a0=Direction of Migration * 0=> Migrate to VF * 1=> Migrate to MQ * (u32)a1=VF index (MQ index) */ CMD_MIGRATE_SUBVNIC = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 53), /* * Register / Deregister the notification block for MQ subvnics * 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_SUBVNIC_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 54), /* * Set the predefined mac address as default * in: * (u48)a0=mac addr */ CMD_SET_MAC_ADDR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 55), /* Update the provisioning info of the given VIF * (u64)a0=paddr of vnic_devcmd_provinfo * (u32)a1=sizeof provision info */ CMD_PROV_INFO_UPDATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 56), /* * Initialization for the devcmd2 interface. * in: (u64) a0=host result buffer physical address * in: (u16) a1=number of entries in result buffer */ CMD_INITIALIZE_DEVCMD2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 57), /* * Add a filter. * in: (u64) a0= filter address * (u32) a1= size of filter * out: (u32) a0=filter identifier * * Capability query: * out: (u64) a0= 1 if capability query supported * (u64) a1= MAX filter type supported */ CMD_ADD_FILTER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 58), /* * Delete a filter. * in: (u32) a0=filter identifier */ CMD_DEL_FILTER = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 59), /* * Enable a Queue Pair in User space NIC * in: (u32) a0=Queue Pair number * (u32) a1= command */ CMD_QP_ENABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 60), /* * Disable a Queue Pair in User space NIC * in: (u32) a0=Queue Pair number * (u32) a1= command */ CMD_QP_DISABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 61), /* * Stats dump Queue Pair in User space NIC * in: (u32) a0=Queue Pair number * (u64) a1=host buffer addr for status dump * (u32) a2=length of the buffer */ CMD_QP_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 62), /* * Clear stats for Queue Pair in User space NIC * in: (u32) a0=Queue Pair number */ CMD_QP_STATS_CLEAR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 63), /* * UEFI BOOT API: (u64)a0= UEFI FLS_CMD_xxx * (ui64)a1= paddr for the info buffer */ CMD_FC_REQ = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 64), /* * Return the iSCSI config details required by the EFI Option ROM * in: (u32) a0=0 Get Boot Info for PXE eNIC as per pxe_boot_config_t * a0=1 Get Boot info for iSCSI enic as per * iscsi_boot_efi_cfg_t * in: (u64) a1=Host address where iSCSI config info is returned */ CMD_VNIC_BOOT_CONFIG_INFO = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 65), /* * Create a Queue Pair (RoCE) * in: (u32) a0 = Queue Pair number * (u32) a1 = Remote QP * (u32) a2 = RDMA-RQ * (u16) a3 = RQ Res Group * (u16) a4 = SQ Res Group * (u32) a5 = Protection Domain * (u64) a6 = Remote MAC * (u32) a7 = start PSN * (u16) a8 = MSS * (u32) a9 = protocol version */ CMD_RDMA_QP_CREATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 66), /* * Delete a Queue Pair (RoCE) * in: (u32) a0 = Queue Pair number */ CMD_RDMA_QP_DELETE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 67), /* * Retrieve a Queue Pair's status information (RoCE) * in: (u32) a0 = Queue Pair number * (u64) a1 = host buffer addr for QP status struct * (u32) a2 = length of the buffer */ CMD_RDMA_QP_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 68), /* * Use this devcmd for agreeing on the highest common version supported * by both driver and fw for by features who need such a facility. * in: (u64) a0 = feature (driver requests for the supported versions * on this feature) * out: (u64) a0 = bitmap of all supported versions for that feature */ CMD_GET_SUPP_FEATURE_VER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 69), /* * Initialize the RDMA notification work queue * in: (u64) a0 = host buffer address * in: (u16) a1 = number of entries in buffer * in: (u16) a2 = resource group number * in: (u16) a3 = CQ number to post completion */ CMD_RDMA_INIT_INFO_BUF = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 70), /* * De-init the RDMA notification work queue * in: (u64) a0=resource group number */ CMD_RDMA_DEINIT_INFO_BUF = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 71), /* * Control (Enable/Disable) overlay offloads on the given vnic * in: (u8) a0 = OVERLAY_FEATURE_NVGRE : NVGRE * a0 = OVERLAY_FEATURE_VXLAN : VxLAN * in: (u8) a1 = OVERLAY_OFFLOAD_ENABLE : Enable or * a1 = OVERLAY_OFFLOAD_DISABLE : Disable or * a1 = OVERLAY_OFFLOAD_ENABLE_V2 : Enable with version 2 */ CMD_OVERLAY_OFFLOAD_CTRL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 72), /* * Configuration of overlay offloads feature on a given vNIC * in: (u8) a0 = OVERLAY_CFG_VXLAN_PORT_UPDATE : VxLAN * in: (u16) a1 = unsigned short int port information */ CMD_OVERLAY_OFFLOAD_CFG = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 73), /* * Return the configured name for the device * in: (u64) a0=Host address where the name is copied * (u32) a1=Size of the buffer */ CMD_GET_CONFIG_NAME = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 74), /* * Enable group interrupt for the VF * in: (u32) a0 = GRPINTR_ENABLE : enable * a0 = GRPINTR_DISABLE : disable * a0 = GRPINTR_UPD_VECT: update group vector addr * in: (u32) a1 = interrupt group count * in: (u64) a2 = Start of host buffer address for DMAing group * vector bitmap * in: (u64) a3 = Stride between group vectors */ CMD_CONFIG_GRPINTR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 75), /* * Set cq arrary base and size in a list of consective wqs and * rqs for a device * in: (u16) a0 = the wq relative index in the device. * -1 indicates skipping wq configuration * in: (u16) a1 = the wcq relative index in the device * in: (u16) a2 = the rq relative index in the device * -1 indicates skipping rq configuration * in: (u16) a3 = the rcq relative index in the device */ CMD_CONFIG_CQ_ARRAY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 76), /* * Add an advanced filter. * in: (u64) a0= filter address * (u32) a1= size of filter * out: (u32) a0=filter identifier * * Capability query: * in: (u64) a1= supported filter capability exchange modes * out: (u64) a0= 1 if capability query supported * if (u64) a1 = 0: a1 = MAX filter type supported * if (u64) a1 & FILTER_CAP_MODE_V1_FLAG: * a1 = bitmask of supported filters * a2 = FILTER_CAP_MODE_V1 * a3 = bitmask of supported actions */ CMD_ADD_ADV_FILTER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 77), }; /* Modes for exchanging advanced filter capabilities. The modes supported by * the driver are passed in the CMD_ADD_ADV_FILTER capability command and the * mode selected is returned. * V0: the maximum filter type supported is returned * V1: bitmasks of supported filters and actions are returned */ enum filter_cap_mode { FILTER_CAP_MODE_V0 = 0, /* Must always be 0 for legacy drivers */ FILTER_CAP_MODE_V1 = 1, }; #define FILTER_CAP_MODE_V1_FLAG (1 << FILTER_CAP_MODE_V1) /* CMD_ENABLE2 flags */ #define CMD_ENABLE2_STANDBY 0x0 #define CMD_ENABLE2_ACTIVE 0x1 /* 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 /* Commands for CMD_QP_ENABLE/CM_QP_DISABLE */ #define CMD_QP_RQWQ 0x0 /* rewrite modes for CMD_IG_VLAN_REWRITE_MODE */ #define IG_VLAN_REWRITE_MODE_DEFAULT_TRUNK 0 #define IG_VLAN_REWRITE_MODE_UNTAG_DEFAULT_VLAN 1 #define IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN 2 #define IG_VLAN_REWRITE_MODE_PASS_THRU 3 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) */ STAT_FAILOVER = 1 << 2, /* always set on vnics in pci standby state * if seen a failover to the standby happened */ }; 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, ERR_EMAXRES = 10, ERR_ENOTSUPPORTED = 11, ERR_EINPROGRESS = 12, ERR_MAX }; /* * note: hw_version and asic_rev refer to the same thing, * but have different formats. hw_version is * a 32-byte string (e.g. "A2") and asic_rev is * a 16-bit integer (e.g. 0xA2). */ struct vnic_devcmd_fw_info { char fw_version[32]; char fw_build[32]; char hw_version[32]; char hw_serial_number[32]; u16 asic_type; u16 asic_rev; }; enum fwinfo_asic_type { FWINFO_ASIC_TYPE_UNKNOWN, FWINFO_ASIC_TYPE_PALO, FWINFO_ASIC_TYPE_SERENO, FWINFO_ASIC_TYPE_CRUZ, }; 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]; }; /* * These are used in flags field of different filters to denote * valid fields used. */ #define FILTER_FIELD_VALID(fld) (1 << (fld - 1)) #define FILTER_FIELD_USNIC_VLAN FILTER_FIELD_VALID(1) #define FILTER_FIELD_USNIC_ETHTYPE FILTER_FIELD_VALID(2) #define FILTER_FIELD_USNIC_PROTO FILTER_FIELD_VALID(3) #define FILTER_FIELD_USNIC_ID FILTER_FIELD_VALID(4) #define FILTER_FIELDS_USNIC (FILTER_FIELD_USNIC_VLAN | \ FILTER_FIELD_USNIC_ETHTYPE | \ FILTER_FIELD_USNIC_PROTO | \ FILTER_FIELD_USNIC_ID) struct filter_usnic_id { u32 flags; u16 vlan; u16 ethtype; u8 proto_version; u32 usnic_id; } __attribute__((packed)); #define FILTER_FIELD_5TUP_PROTO FILTER_FIELD_VALID(1) #define FILTER_FIELD_5TUP_SRC_AD FILTER_FIELD_VALID(2) #define FILTER_FIELD_5TUP_DST_AD FILTER_FIELD_VALID(3) #define FILTER_FIELD_5TUP_SRC_PT FILTER_FIELD_VALID(4) #define FILTER_FIELD_5TUP_DST_PT FILTER_FIELD_VALID(5) #define FILTER_FIELDS_IPV4_5TUPLE (FILTER_FIELD_5TUP_PROTO | \ FILTER_FIELD_5TUP_SRC_AD | \ FILTER_FIELD_5TUP_DST_AD | \ FILTER_FIELD_5TUP_SRC_PT | \ FILTER_FIELD_5TUP_DST_PT) /* Enums for the protocol field. */ enum protocol_e { PROTO_UDP = 0, PROTO_TCP = 1, PROTO_IPV4 = 2, PROTO_IPV6 = 3 }; struct filter_ipv4_5tuple { u32 flags; u32 protocol; u32 src_addr; u32 dst_addr; u16 src_port; u16 dst_port; } __attribute__((packed)); #define FILTER_FIELD_VMQ_VLAN FILTER_FIELD_VALID(1) #define FILTER_FIELD_VMQ_MAC FILTER_FIELD_VALID(2) #define FILTER_FIELDS_MAC_VLAN (FILTER_FIELD_VMQ_VLAN | \ FILTER_FIELD_VMQ_MAC) #define FILTER_FIELDS_NVGRE FILTER_FIELD_VMQ_MAC struct filter_mac_vlan { u32 flags; u16 vlan; u8 mac_addr[6]; } __attribute__((packed)); #define FILTER_FIELD_VLAN_IP_3TUP_VLAN FILTER_FIELD_VALID(1) #define FILTER_FIELD_VLAN_IP_3TUP_L3_PROTO FILTER_FIELD_VALID(2) #define FILTER_FIELD_VLAN_IP_3TUP_DST_AD FILTER_FIELD_VALID(3) #define FILTER_FIELD_VLAN_IP_3TUP_L4_PROTO FILTER_FIELD_VALID(4) #define FILTER_FIELD_VLAN_IP_3TUP_DST_PT FILTER_FIELD_VALID(5) #define FILTER_FIELDS_VLAN_IP_3TUP (FILTER_FIELD_VLAN_IP_3TUP_VLAN | \ FILTER_FIELD_VLAN_IP_3TUP_L3_PROTO | \ FILTER_FIELD_VLAN_IP_3TUP_DST_AD | \ FILTER_FIELD_VLAN_IP_3TUP_L4_PROTO | \ FILTER_FIELD_VLAN_IP_3TUP_DST_PT) struct filter_vlan_ip_3tuple { u32 flags; u16 vlan; u16 l3_protocol; union { u32 dst_addr_v4; u8 dst_addr_v6[16]; } u; u32 l4_protocol; u16 dst_port; } __attribute__((packed)); #define FILTER_GENERIC_1_BYTES 64 enum filter_generic_1_layer { FILTER_GENERIC_1_L2, FILTER_GENERIC_1_L3, FILTER_GENERIC_1_L4, FILTER_GENERIC_1_L5, FILTER_GENERIC_1_NUM_LAYERS }; #define FILTER_GENERIC_1_IPV4 (1 << 0) #define FILTER_GENERIC_1_IPV6 (1 << 1) #define FILTER_GENERIC_1_UDP (1 << 2) #define FILTER_GENERIC_1_TCP (1 << 3) #define FILTER_GENERIC_1_TCP_OR_UDP (1 << 4) #define FILTER_GENERIC_1_IP4SUM_OK (1 << 5) #define FILTER_GENERIC_1_L4SUM_OK (1 << 6) #define FILTER_GENERIC_1_IPFRAG (1 << 7) #define FILTER_GENERIC_1_KEY_LEN 64 /* * Version 1 of generic filter specification * position is only 16 bits, reserving positions > 64k to be used by firmware */ struct filter_generic_1 { u16 position; /* lower position comes first */ u32 mask_flags; u32 val_flags; u16 mask_vlan; u16 val_vlan; struct { u8 mask[FILTER_GENERIC_1_KEY_LEN]; /* 0 bit means "don't care"*/ u8 val[FILTER_GENERIC_1_KEY_LEN]; } __attribute__((packed)) layer[FILTER_GENERIC_1_NUM_LAYERS]; } __attribute__((packed)); /* Specifies the filter_action type. */ enum { FILTER_ACTION_RQ_STEERING = 0, FILTER_ACTION_V2 = 1, FILTER_ACTION_MAX }; struct filter_action { u32 type; union { u32 rq_idx; } u; } __attribute__((packed)); #define FILTER_ACTION_RQ_STEERING_FLAG (1 << 0) #define FILTER_ACTION_FILTER_ID_FLAG (1 << 1) #define FILTER_ACTION_V2_ALL (FILTER_ACTION_RQ_STEERING_FLAG \ | FILTER_ACTION_FILTER_ID_FLAG) /* Version 2 of filter action must be a strict extension of struct filter_action * where the first fields exactly match in size and meaning. */ struct filter_action_v2 { u32 type; u32 rq_idx; u32 flags; /* use FILTER_ACTION_XXX_FLAG defines */ u16 filter_id; u_int8_t reserved[32]; /* for future expansion */ } __attribute__((packed)); /* Specifies the filter type. */ enum filter_type { FILTER_USNIC_ID = 0, FILTER_IPV4_5TUPLE = 1, FILTER_MAC_VLAN = 2, FILTER_VLAN_IP_3TUPLE = 3, FILTER_NVGRE_VMQ = 4, FILTER_USNIC_IP = 5, FILTER_DPDK_1 = 6, FILTER_MAX }; #define FILTER_USNIC_ID_FLAG (1 << FILTER_USNIC_ID) #define FILTER_IPV4_5TUPLE_FLAG (1 << FILTER_IPV4_5TUPLE) #define FILTER_MAC_VLAN_FLAG (1 << FILTER_MAC_VLAN) #define FILTER_VLAN_IP_3TUPLE_FLAG (1 << FILTER_VLAN_IP_3TUPLE) #define FILTER_NVGRE_VMQ_FLAG (1 << FILTER_NVGRE_VMQ) #define FILTER_USNIC_IP_FLAG (1 << FILTER_USNIC_IP) #define FILTER_DPDK_1_FLAG (1 << FILTER_DPDK_1) #define FILTER_V1_ALL (FILTER_USNIC_ID_FLAG | \ FILTER_IPV4_5TUPLE_FLAG | \ FILTER_MAC_VLAN_FLAG | \ FILTER_VLAN_IP_3TUPLE_FLAG | \ FILTER_NVGRE_VMQ_FLAG | \ FILTER_USNIC_IP_FLAG | \ FILTER_DPDK_1_FLAG) struct filter { u32 type; union { struct filter_usnic_id usnic; struct filter_ipv4_5tuple ipv4; struct filter_mac_vlan mac_vlan; struct filter_vlan_ip_3tuple vlan_3tuple; } u; } __attribute__((packed)); /* * This is a strict superset of "struct filter" and exists only * because many drivers use "sizeof (struct filter)" in deciding TLV size. * This new, larger struct filter would cause any code that uses that method * to not work with older firmware, so we add filter_v2 to hold the * new filter types. Drivers should use vnic_filter_size() to determine * the TLV size instead of sizeof (struct fiter_v2) to guard against future * growth. */ struct filter_v2 { u32 type; union { struct filter_usnic_id usnic; struct filter_ipv4_5tuple ipv4; struct filter_mac_vlan mac_vlan; struct filter_vlan_ip_3tuple vlan_3tuple; struct filter_generic_1 generic_1; } u; } __attribute__((packed)); enum { CLSF_TLV_FILTER = 0, CLSF_TLV_ACTION = 1, }; struct filter_tlv { u_int32_t type; u_int32_t length; u_int32_t val[0]; }; /* Data for CMD_ADD_FILTER is 2 TLV and filter + action structs */ #define FILTER_MAX_BUF_SIZE 100 #define FILTER_V2_MAX_BUF_SIZE (sizeof(struct filter_v2) + \ sizeof(struct filter_action_v2) + \ (2 * sizeof(struct filter_tlv))) /* * Compute actual structure size given filter type. To be "future-proof," * drivers should use this instead of "sizeof (struct filter_v2)" when * computing length for TLV. */ static inline u_int32_t vnic_filter_size(struct filter_v2 *fp) { u_int32_t size; switch (fp->type) { case FILTER_USNIC_ID: size = sizeof(fp->u.usnic); break; case FILTER_IPV4_5TUPLE: size = sizeof(fp->u.ipv4); break; case FILTER_MAC_VLAN: case FILTER_NVGRE_VMQ: size = sizeof(fp->u.mac_vlan); break; case FILTER_VLAN_IP_3TUPLE: size = sizeof(fp->u.vlan_3tuple); break; case FILTER_USNIC_IP: case FILTER_DPDK_1: size = sizeof(fp->u.generic_1); break; default: size = sizeof(fp->u); break; } size += sizeof(fp->type); return size; } enum { CLSF_ADD = 0, CLSF_DEL = 1, }; /* * Get the action structure size given action type. To be "future-proof," * drivers should use this instead of "sizeof (struct filter_action_v2)" * when computing length for TLV. */ static inline u_int32_t vnic_action_size(struct filter_action_v2 *fap) { u_int32_t size; switch (fap->type) { case FILTER_ACTION_RQ_STEERING: size = sizeof(struct filter_action); break; case FILTER_ACTION_V2: size = sizeof(struct filter_action_v2); break; default: size = sizeof(struct filter_action); break; } return size; } /* * 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) /* Overlay related definitions */ /* * This enum lists the flag associated with each of the overlay features */ typedef enum { OVERLAY_FEATURE_NVGRE = 1, OVERLAY_FEATURE_VXLAN, OVERLAY_FEATURE_MAX, } overlay_feature_t; #define OVERLAY_OFFLOAD_ENABLE 0 #define OVERLAY_OFFLOAD_DISABLE 1 #define OVERLAY_OFFLOAD_ENABLE_V2 2 #define OVERLAY_CFG_VXLAN_PORT_UPDATE 0 /* * Use this enum to get the supported versions for each of these features * If you need to use the devcmd_get_supported_feature_version(), add * the new feature into this enum and install function handler in devcmd.c */ typedef enum { VIC_FEATURE_VXLAN, VIC_FEATURE_RDMA, VIC_FEATURE_MAX, } vic_feature_t; /* * CMD_CONFIG_GRPINTR subcommands */ typedef enum { GRPINTR_ENABLE = 1, GRPINTR_DISABLE, GRPINTR_UPD_VECT, } grpintr_subcmd_t; #endif /* _VNIC_DEVCMD_H_ */