239 lines
5.8 KiB
C
239 lines
5.8 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright (c) 2018 Microsoft Corp.
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* All rights reserved.
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*/
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/*
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* The indirection table message is the largest message
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* received from host, and that is 112 bytes.
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*/
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#define NVS_RESPSIZE_MAX 256
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/*
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* NDIS protocol version numbers
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*/
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#define NDIS_VERSION_6_1 0x00060001
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#define NDIS_VERSION_6_20 0x00060014
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#define NDIS_VERSION_6_30 0x0006001e
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#define NDIS_VERSION_MAJOR(ver) (((ver) & 0xffff0000) >> 16)
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#define NDIS_VERSION_MINOR(ver) ((ver) & 0xffff)
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/*
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* NVS versions.
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*/
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#define NVS_VERSION_1 0x00002
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#define NVS_VERSION_2 0x30002
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#define NVS_VERSION_4 0x40000
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#define NVS_VERSION_5 0x50000
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#define NVS_VERSION_6 0x60000
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#define NVS_VERSION_61 0x60001
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#define NVS_RXBUF_SIG 0xcafe
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#define NVS_CHIM_SIG 0xface
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#define NVS_CHIM_IDX_INVALID 0xffffffff
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#define NVS_RNDIS_MTYPE_DATA 0
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#define NVS_RNDIS_MTYPE_CTRL 1
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/*
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* NVS message transaction status codes.
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*/
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#define NVS_STATUS_OK 1
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#define NVS_STATUS_FAILED 2
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/*
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* NVS request/response message types.
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*/
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#define NVS_TYPE_INIT 1
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#define NVS_TYPE_INIT_RESP 2
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#define NVS_TYPE_NDIS_INIT 100
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#define NVS_TYPE_RXBUF_CONN 101
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#define NVS_TYPE_RXBUF_CONNRESP 102
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#define NVS_TYPE_RXBUF_DISCONN 103
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#define NVS_TYPE_CHIM_CONN 104
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#define NVS_TYPE_CHIM_CONNRESP 105
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#define NVS_TYPE_CHIM_DISCONN 106
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#define NVS_TYPE_RNDIS 107
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#define NVS_TYPE_RNDIS_ACK 108
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#define NVS_TYPE_NDIS_CONF 125
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#define NVS_TYPE_VFASSOC_NOTE 128 /* notification */
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#define NVS_TYPE_SET_DATAPATH 129
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#define NVS_TYPE_SUBCH_REQ 133
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#define NVS_TYPE_SUBCH_RESP 133 /* same as SUBCH_REQ */
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#define NVS_TYPE_TXTBL_NOTE 134 /* notification */
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/* NVS message common header */
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struct hn_nvs_hdr {
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uint32_t type;
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} __rte_packed;
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struct hn_nvs_init {
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uint32_t type; /* NVS_TYPE_INIT */
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uint32_t ver_min;
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uint32_t ver_max;
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uint8_t rsvd[28];
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} __rte_packed;
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struct hn_nvs_init_resp {
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uint32_t type; /* NVS_TYPE_INIT_RESP */
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uint32_t ver; /* deprecated */
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uint32_t rsvd;
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uint32_t status; /* NVS_STATUS_ */
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} __rte_packed;
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/* No response */
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struct hn_nvs_ndis_conf {
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uint32_t type; /* NVS_TYPE_NDIS_CONF */
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uint32_t mtu;
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uint32_t rsvd;
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uint64_t caps; /* NVS_NDIS_CONF_ */
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uint8_t rsvd1[20];
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} __rte_packed;
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#define NVS_NDIS_CONF_SRIOV 0x0004
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#define NVS_NDIS_CONF_VLAN 0x0008
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/* No response */
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struct hn_nvs_ndis_init {
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uint32_t type; /* NVS_TYPE_NDIS_INIT */
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uint32_t ndis_major; /* NDIS_VERSION_MAJOR_ */
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uint32_t ndis_minor; /* NDIS_VERSION_MINOR_ */
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uint8_t rsvd[28];
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} __rte_packed;
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struct hn_nvs_vf_association {
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uint32_t type; /* NVS_TYPE_VFASSOC_NOTE */
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uint32_t allocated;
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uint32_t serial;
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} __rte_packed;
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#define NVS_DATAPATH_SYNTHETIC 0
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#define NVS_DATAPATH_VF 1
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/* No response */
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struct hn_nvs_datapath {
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uint32_t type; /* NVS_TYPE_SET_DATAPATH */
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uint32_t active_path;/* NVS_DATAPATH_* */
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uint8_t rsvd[32];
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} __rte_packed;
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struct hn_nvs_rxbuf_conn {
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uint32_t type; /* NVS_TYPE_RXBUF_CONN */
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uint32_t gpadl; /* RXBUF vmbus GPADL */
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uint16_t sig; /* NVS_RXBUF_SIG */
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uint8_t rsvd[30];
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} __rte_packed;
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struct hn_nvs_rxbuf_sect {
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uint32_t start;
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uint32_t slotsz;
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uint32_t slotcnt;
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uint32_t end;
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} __rte_packed;
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struct hn_nvs_rxbuf_connresp {
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uint32_t type; /* NVS_TYPE_RXBUF_CONNRESP */
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uint32_t status; /* NVS_STATUS_ */
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uint32_t nsect; /* # of elem in nvs_sect */
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struct hn_nvs_rxbuf_sect nvs_sect[1];
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} __rte_packed;
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/* No response */
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struct hn_nvs_rxbuf_disconn {
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uint32_t type; /* NVS_TYPE_RXBUF_DISCONN */
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uint16_t sig; /* NVS_RXBUF_SIG */
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uint8_t rsvd[34];
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} __rte_packed;
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struct hn_nvs_chim_conn {
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uint32_t type; /* NVS_TYPE_CHIM_CONN */
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uint32_t gpadl; /* chimney buf vmbus GPADL */
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uint16_t sig; /* NDIS_NVS_CHIM_SIG */
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uint8_t rsvd[30];
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} __rte_packed;
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struct hn_nvs_chim_connresp {
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uint32_t type; /* NVS_TYPE_CHIM_CONNRESP */
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uint32_t status; /* NVS_STATUS_ */
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uint32_t sectsz; /* section size */
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} __rte_packed;
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/* No response */
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struct hn_nvs_chim_disconn {
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uint32_t type; /* NVS_TYPE_CHIM_DISCONN */
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uint16_t sig; /* NVS_CHIM_SIG */
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uint8_t rsvd[34];
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} __rte_packed;
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#define NVS_SUBCH_OP_ALLOC 1
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struct hn_nvs_subch_req {
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uint32_t type; /* NVS_TYPE_SUBCH_REQ */
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uint32_t op; /* NVS_SUBCH_OP_ */
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uint32_t nsubch;
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uint8_t rsvd[28];
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} __rte_packed;
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struct hn_nvs_subch_resp {
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uint32_t type; /* NVS_TYPE_SUBCH_RESP */
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uint32_t status; /* NVS_STATUS_ */
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uint32_t nsubch;
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uint8_t rsvd[28];
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} __rte_packed;
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struct hn_nvs_rndis {
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uint32_t type; /* NVS_TYPE_RNDIS */
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uint32_t rndis_mtype;/* NVS_RNDIS_MTYPE_ */
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/*
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* Chimney sending buffer index and size.
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*
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* NOTE:
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* If nvs_chim_idx is set to NVS_CHIM_IDX_INVALID
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* and nvs_chim_sz is set to 0, then chimney sending
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* buffer is _not_ used by this RNDIS message.
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*/
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uint32_t chim_idx;
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uint32_t chim_sz;
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uint8_t rsvd[24];
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} __rte_packed;
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struct hn_nvs_rndis_ack {
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uint32_t type; /* NVS_TYPE_RNDIS_ACK */
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uint32_t status; /* NVS_STATUS_ */
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uint8_t rsvd[32];
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} __rte_packed;
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int hn_nvs_attach(struct hn_data *hv, unsigned int mtu);
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void hn_nvs_detach(struct hn_data *hv);
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void hn_nvs_ack_rxbuf(struct vmbus_channel *chan, uint64_t tid);
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int hn_nvs_alloc_subchans(struct hn_data *hv, uint32_t *nsubch);
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void hn_nvs_set_datapath(struct hn_data *hv, uint32_t path);
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void hn_nvs_handle_vfassoc(struct rte_eth_dev *dev,
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const struct vmbus_chanpkt_hdr *hdr,
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const void *data);
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static inline int
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hn_nvs_send(struct vmbus_channel *chan, uint16_t flags,
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void *nvs_msg, int nvs_msglen, uintptr_t sndc,
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bool *need_sig)
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{
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return rte_vmbus_chan_send(chan, VMBUS_CHANPKT_TYPE_INBAND,
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nvs_msg, nvs_msglen, (uint64_t)sndc,
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flags, need_sig);
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}
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static inline int
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hn_nvs_send_sglist(struct vmbus_channel *chan,
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struct vmbus_gpa sg[], unsigned int sglen,
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void *nvs_msg, int nvs_msglen,
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uintptr_t sndc, bool *need_sig)
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{
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return rte_vmbus_chan_send_sglist(chan, sg, sglen, nvs_msg, nvs_msglen,
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(uint64_t)sndc, need_sig);
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}
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