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