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/*-
* Copyright (c) 2016 Microsoft Corp.
* 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 unmodified, 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 AUTHOR ``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 AUTHOR 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 _DEV_PV_IF_HVNREG_H_
#define _DEV_PV_IF_HVNREG_H_
#define HVN_NVS_PROTO_VERSION_1 0x00002
#define HVN_NVS_PROTO_VERSION_2 0x30002
#define HVN_NVS_PROTO_VERSION_4 0x40000
#define HVN_NVS_PROTO_VERSION_5 0x50000
#define HVN_NVS_RXBUF_SIG 0x2409
#define HVN_NVS_CHIM_SIG 0x1984
#define HVN_NVS_CHIM_IDX_INVALID 0xffffffff
#define HVN_NVS_RNDIS_MTYPE_DATA 0
#define HVN_NVS_RNDIS_MTYPE_CTRL 1
/*
* NVS message transacion status codes.
*/
#define HVN_NVS_STATUS_OK 1
#define HVN_NVS_STATUS_FAILED 2
/*
* NVS request/response message types.
*/
#define HVN_NVS_TYPE_INIT 1
#define HVN_NVS_TYPE_INIT_RESP 2
#define HVN_NVS_TYPE_NDIS_INIT 100
#define HVN_NVS_TYPE_RXBUF_CONN 101
#define HVN_NVS_TYPE_RXBUF_CONNRESP 102
#define HVN_NVS_TYPE_RXBUF_DISCONN 103
#define HVN_NVS_TYPE_CHIM_CONN 104
#define HVN_NVS_TYPE_CHIM_CONNRESP 105
#define HVN_NVS_TYPE_CHIM_DISCONN 106
#define HVN_NVS_TYPE_RNDIS 107
#define HVN_NVS_TYPE_RNDIS_ACK 108
#define HVN_NVS_TYPE_NDIS_CONF 125
#define HVN_NVS_TYPE_VFASSOC_NOTE 128 /* notification */
#define HVN_NVS_TYPE_SET_DATAPATH 129
#define HVN_NVS_TYPE_SUBCH_REQ 133
#define HVN_NVS_TYPE_SUBCH_RESP 133 /* same as SUBCH_REQ */
#define HVN_NVS_TYPE_TXTBL_NOTE 134 /* notification */
/*
* Any size less than this one will _not_ work, e.g. hn_nvs_init
* only has 12B valid data, however, if only 12B data were sent,
* Hypervisor would never reply.
*/
#define HVN_NVS_REQSIZE_MIN 32
/* NVS message common header */
struct hvn_nvs_hdr {
uint32_t nvs_type;
} __packed;
struct hvn_nvs_init {
uint32_t nvs_type; /* HVN_NVS_TYPE_INIT */
uint32_t nvs_ver_min;
uint32_t nvs_ver_max;
uint8_t nvs_rsvd[20];
} __packed;
struct hvn_nvs_init_resp {
uint32_t nvs_type; /* HVN_NVS_TYPE_INIT_RESP */
uint32_t nvs_ver; /* deprecated */
uint32_t nvs_rsvd;
uint32_t nvs_status; /* HVN_NVS_STATUS_ */
} __packed;
/* No reponse */
struct hvn_nvs_ndis_conf {
uint32_t nvs_type; /* HVN_NVS_TYPE_NDIS_CONF */
uint32_t nvs_mtu;
uint32_t nvs_rsvd;
uint64_t nvs_caps; /* HVN_NVS_NDIS_CONF_ */
uint8_t nvs_rsvd1[12];
} __packed;
#define HVN_NVS_NDIS_CONF_SRIOV 0x0004
#define HVN_NVS_NDIS_CONF_VLAN 0x0008
/* No response */
struct hvn_nvs_ndis_init {
uint32_t nvs_type; /* HVN_NVS_TYPE_NDIS_INIT */
uint32_t nvs_ndis_major; /* NDIS_VERSION_MAJOR_ */
uint32_t nvs_ndis_minor; /* NDIS_VERSION_MINOR_ */
uint8_t nvs_rsvd[20];
} __packed;
struct hvn_nvs_rxbuf_conn {
uint32_t nvs_type; /* HVN_NVS_TYPE_RXBUF_CONN */
uint32_t nvs_gpadl; /* RXBUF vmbus GPADL */
uint16_t nvs_sig; /* HVN_NVS_RXBUF_SIG */
uint8_t nvs_rsvd[22];
} __packed;
struct hvn_nvs_rxbuf_sect {
uint32_t nvs_start;
uint32_t nvs_slotsz;
uint32_t nvs_slotcnt;
uint32_t nvs_end;
} __packed;
struct hvn_nvs_rxbuf_conn_resp {
uint32_t nvs_type; /* HVN_NVS_TYPE_RXBUF_CONNRESP */
uint32_t nvs_status; /* HVN_NVS_STATUS_ */
uint32_t nvs_nsect; /* # of elem in nvs_sect */
struct hvn_nvs_rxbuf_sect nvs_sect[0];
} __packed;
/* No response */
struct hvn_nvs_rxbuf_disconn {
uint32_t nvs_type; /* HVN_NVS_TYPE_RXBUF_DISCONN */
uint16_t nvs_sig; /* HVN_NVS_RXBUF_SIG */
uint8_t nvs_rsvd[26];
} __packed;
struct hvn_nvs_chim_conn {
uint32_t nvs_type; /* HVN_NVS_TYPE_CHIM_CONN */
uint32_t nvs_gpadl; /* chimney buf vmbus GPADL */
uint16_t nvs_sig; /* NDIS_NVS_CHIM_SIG */
uint8_t nvs_rsvd[22];
} __packed;
struct hvn_nvs_chim_conn_resp {
uint32_t nvs_type; /* HVN_NVS_TYPE_CHIM_CONNRESP */
uint32_t nvs_status; /* HVN_NVS_STATUS_ */
uint32_t nvs_sectsz; /* section size */
} __packed;
/* No response */
struct hvn_nvs_chim_disconn {
uint32_t nvs_type; /* HVN_NVS_TYPE_CHIM_DISCONN */
uint16_t nvs_sig; /* HVN_NVS_CHIM_SIG */
uint8_t nvs_rsvd[26];
} __packed;
#define HVN_NVS_SUBCH_OP_ALLOC 1
struct hvn_nvs_subch_req {
uint32_t nvs_type; /* HVN_NVS_TYPE_SUBCH_REQ */
uint32_t nvs_op; /* HVN_NVS_SUBCH_OP_ */
uint32_t nvs_nsubch;
uint8_t nvs_rsvd[20];
} __packed;
struct hvn_nvs_subch_resp {
uint32_t nvs_type; /* HVN_NVS_TYPE_SUBCH_RESP */
uint32_t nvs_status; /* HVN_NVS_STATUS_ */
uint32_t nvs_nsubch;
} __packed;
struct hvn_nvs_rndis {
uint32_t nvs_type; /* HVN_NVS_TYPE_RNDIS */
uint32_t nvs_rndis_mtype;/* HVN_NVS_RNDIS_MTYPE_ */
/*
* Chimney sending buffer index and size.
*
* NOTE:
* If nvs_chim_idx is set to HVN_NVS_CHIM_IDX_INVALID
* and nvs_chim_sz is set to 0, then chimney sending
* buffer is _not_ used by this RNDIS message.
*/
uint32_t nvs_chim_idx;
uint32_t nvs_chim_sz;
uint8_t nvs_rsvd[16];
} __packed;
struct hvn_nvs_rndis_ack {
uint32_t nvs_type; /* HVN_NVS_TYPE_RNDIS_ACK */
uint32_t nvs_status; /* HVN_NVS_STATUS_ */
uint8_t nvs_rsvd[24];
} __packed;
#endif /* _DEV_PV_IF_HVNREG_H_ */
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