Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / ipxe / src / include / ipxe / ib_packet.h

diff --git a/qemu/roms/ipxe/src/include/ipxe/ib_packet.h b/qemu/roms/ipxe/src/include/ipxe/ib_packet.h
new file mode 100644 (file)
index 0000000..a959967
--- /dev/null
+++ b/qemu/roms/ipxe/src/include/ipxe/ib_packet.h
@@ -0,0 +1,161 @@
+#ifndef _IPXE_IB_PACKET_H
+#define _IPXE_IB_PACKET_H
+
+/** @file
+ *
+ * Infiniband packet format
+ *
+ */
+
+FILE_LICENCE ( GPL2_OR_LATER );
+
+struct ib_device;
+struct ib_queue_pair;
+struct ib_address_vector;
+struct io_buffer;
+
+/** An Infiniband Globally Unique Identifier */
+union ib_guid {
+       uint8_t bytes[8];
+       uint16_t words[4];
+       uint32_t dwords[2];
+};
+
+/** Infiniband Globally Unique Identifier debug message format */
+#define IB_GUID_FMT "%08x:%08x"
+
+/** Infiniband Globally Unique Identifier debug message arguments */
+#define IB_GUID_ARGS( guid ) \
+       ntohl ( (guid)->dwords[0] ), ntohl ( (guid)->dwords[1] )
+
+/** An Infiniband Global Identifier */
+union ib_gid {
+       uint8_t bytes[16];
+       uint16_t words[8];
+       uint32_t dwords[4];
+       struct {
+               union ib_guid prefix;
+               union ib_guid guid;
+       } s;
+};
+
+/** Infiniband Global Identifier debug message format */
+#define IB_GID_FMT IB_GUID_FMT ":" IB_GUID_FMT
+
+/** Infiniband Global Identifier debug message arguments */
+#define IB_GID_ARGS( gid ) \
+       IB_GUID_ARGS ( &(gid)->s.prefix ), IB_GUID_ARGS ( &(gid)->s.guid )
+
+/** An Infiniband Local Route Header */
+struct ib_local_route_header {
+       /** Virtual lane and link version */
+       uint8_t vl__lver;
+       /** Service level and next link header */
+       uint8_t sl__lnh;
+       /** Destination LID */
+       uint16_t dlid;
+       /** Packet length */
+       uint16_t length;
+       /** Source LID */
+       uint16_t slid;
+} __attribute__ (( packed ));
+
+/** Infiniband virtual lanes */
+enum ib_vl {
+       IB_VL_DEFAULT = 0,
+       IB_VL_SMP = 15,
+};
+
+/** An Infiniband Link Next Header value */
+enum ib_lnh {
+       IB_LNH_RAW = 0,
+       IB_LNH_IPv6 = 1,
+       IB_LNH_BTH = 2,
+       IB_LNH_GRH = 3
+};
+
+/** Default Infiniband LID */
+#define IB_LID_NONE 0xffff
+
+/** Test for multicast LID */
+#define IB_LID_MULTICAST( lid ) ( ( (lid) >= 0xc000 ) && ( (lid) <= 0xfffe ) )
+
+/** An Infiniband Global Route Header */
+struct ib_global_route_header {
+       /** IP version, traffic class, and flow label
+        *
+        *  4 bits : Version of the GRH
+        *  8 bits : Traffic class
+        * 20 bits : Flow label
+        */
+       uint32_t ipver__tclass__flowlabel;
+       /** Payload length */
+       uint16_t paylen;
+       /** Next header */
+       uint8_t nxthdr;
+       /** Hop limit */
+       uint8_t hoplmt;
+       /** Source GID */
+       union ib_gid sgid;
+       /** Destiniation GID */
+       union ib_gid dgid;
+} __attribute__ (( packed ));
+
+#define IB_GRH_IPVER_IPv6 0x06
+#define IB_GRH_NXTHDR_IBA 0x1b
+
+/** An Infiniband Base Transport Header */
+struct ib_base_transport_header {
+       /** Opcode */
+       uint8_t opcode;
+       /** Transport header version, pad count, migration and solicitation */
+       uint8_t se__m__padcnt__tver;
+       /** Partition key */
+       uint16_t pkey;
+       /** Destination queue pair */
+       uint32_t dest_qp;
+       /** Packet sequence number and acknowledge request */
+       uint32_t ack__psn;
+} __attribute__ (( packed ));
+
+/** An Infiniband BTH opcode */
+enum ib_bth_opcode {
+       BTH_OPCODE_UD_SEND = 0x64,
+};
+
+/** An Infiniband Datagram Extended Transport Header */
+struct ib_datagram_extended_transport_header {
+       /** Queue key */
+       uint32_t qkey;
+       /** Source queue pair */
+       uint32_t src_qp;
+} __attribute__ (( packed ));
+
+/** All known IB header formats */
+union ib_headers {
+       struct ib_local_route_header lrh;
+       struct {
+               struct ib_local_route_header lrh;
+               struct ib_global_route_header grh;
+               struct ib_base_transport_header bth;
+               struct ib_datagram_extended_transport_header deth;
+       } __attribute__ (( packed )) lrh__grh__bth__deth;
+       struct {
+               struct ib_local_route_header lrh;
+               struct ib_base_transport_header bth;
+               struct ib_datagram_extended_transport_header deth;
+       } __attribute__ (( packed )) lrh__bth__deth;
+} __attribute__ (( packed ));
+
+/** Maximum size required for IB headers */
+#define IB_MAX_HEADER_SIZE sizeof ( union ib_headers )
+
+extern int ib_push ( struct ib_device *ibdev, struct io_buffer *iobuf,
+                    struct ib_queue_pair *qp, size_t payload_len,
+                    const struct ib_address_vector *dest );
+extern int ib_pull ( struct ib_device *ibdev, struct io_buffer *iobuf,
+                    struct ib_queue_pair **qp, size_t *payload_len,
+                    struct ib_address_vector *dest,
+                    struct ib_address_vector *source );
+
+#endif /* _IPXE_IB_PACKET_H */