Add submodule dependency filesHEADmaster

Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec

1 files changed, 134 insertions, 0 deletions

diff --git a/roms/u-boot/include/xen/interface/io/xs_wire.h b/roms/u-boot/include/xen/interface/io/xs_wire.h
new file mode 100644
index 000000000..f20d9c512
--- /dev/null
+++ b/roms/u-boot/include/xen/interface/io/xs_wire.h
@@ -0,0 +1,134 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Details of the "wire" protocol between Xen Store Daemon and client
+ * library or guest kernel.
+ *
+ * Copyright (C) 2005 Rusty Russell IBM Corporation
+ */
+
+#ifndef _XS_WIRE_H
+#define _XS_WIRE_H
+
+enum xsd_sockmsg_type {
+	XS_CONTROL,
+#define XS_DEBUG XS_CONTROL
+	XS_DIRECTORY,
+	XS_READ,
+	XS_GET_PERMS,
+	XS_WATCH,
+	XS_UNWATCH,
+	XS_TRANSACTION_START,
+	XS_TRANSACTION_END,
+	XS_INTRODUCE,
+	XS_RELEASE,
+	XS_GET_DOMAIN_PATH,
+	XS_WRITE,
+	XS_MKDIR,
+	XS_RM,
+	XS_SET_PERMS,
+	XS_WATCH_EVENT,
+	XS_ERROR,
+	XS_IS_DOMAIN_INTRODUCED,
+	XS_RESUME,
+	XS_SET_TARGET,
+	/* XS_RESTRICT has been removed */
+	XS_RESET_WATCHES = XS_SET_TARGET + 2,
+	XS_DIRECTORY_PART,
+
+	XS_TYPE_COUNT,      /* Number of valid types. */
+
+	XS_INVALID = 0xffff /* Guaranteed to remain an invalid type */
+};
+
+#define XS_WRITE_NONE "NONE"
+#define XS_WRITE_CREATE "CREATE"
+#define XS_WRITE_CREATE_EXCL "CREATE|EXCL"
+
+/* We hand errors as strings, for portability. */
+struct xsd_errors {
+	int errnum;
+	const char *errstring;
+};
+
+#ifdef EINVAL
+#define XSD_ERROR(x) { x, #x }
+/* LINTED: static unused */
+static struct xsd_errors xsd_errors[]
+#if defined(__GNUC__)
+__attribute__((unused))
+#endif
+	= {
+	XSD_ERROR(EINVAL),
+	XSD_ERROR(EACCES),
+	XSD_ERROR(EEXIST),
+	XSD_ERROR(EISDIR),
+	XSD_ERROR(ENOENT),
+	XSD_ERROR(ENOMEM),
+	XSD_ERROR(ENOSPC),
+	XSD_ERROR(EIO),
+	XSD_ERROR(ENOTEMPTY),
+	XSD_ERROR(ENOSYS),
+	XSD_ERROR(EROFS),
+	XSD_ERROR(EBUSY),
+	XSD_ERROR(EAGAIN),
+	XSD_ERROR(EISCONN),
+	XSD_ERROR(E2BIG)
+};
+#endif
+
+struct xsd_sockmsg {
+	u32 type;  /* XS_??? */
+	u32 req_id;/* Request identifier, echoed in daemon's response.  */
+	u32 tx_id; /* Transaction id (0 if not related to a transaction). */
+	u32 len;   /* Length of data following this. */
+
+	/* Generally followed by nul-terminated string(s). */
+};
+
+enum xs_watch_type {
+	XS_WATCH_PATH = 0,
+	XS_WATCH_TOKEN
+};
+
+/*
+ * `incontents 150 xenstore_struct XenStore wire protocol.
+ *
+ * Inter-domain shared memory communications.
+ */
+#define XENSTORE_RING_SIZE 1024
+typedef u32 XENSTORE_RING_IDX;
+#define MASK_XENSTORE_IDX(idx) ((idx) & (XENSTORE_RING_SIZE - 1))
+struct xenstore_domain_interface {
+	char req[XENSTORE_RING_SIZE]; /* Requests to xenstore daemon. */
+	char rsp[XENSTORE_RING_SIZE]; /* Replies and async watch events. */
+	XENSTORE_RING_IDX req_cons, req_prod;
+	XENSTORE_RING_IDX rsp_cons, rsp_prod;
+	u32 server_features; /* Bitmap of features supported by the server */
+	u32 connection;
+};
+
+/* Violating this is very bad.  See docs/misc/xenstore.txt. */
+#define XENSTORE_PAYLOAD_MAX 4096
+
+/* Violating these just gets you an error back */
+#define XENSTORE_ABS_PATH_MAX 3072
+#define XENSTORE_REL_PATH_MAX 2048
+
+/* The ability to reconnect a ring */
+#define XENSTORE_SERVER_FEATURE_RECONNECTION 1
+
+/* Valid values for the connection field */
+#define XENSTORE_CONNECTED 0 /* the steady-state */
+#define XENSTORE_RECONNECT 1 /* guest has initiated a reconnect */
+
+#endif /* _XS_WIRE_H */
+
+/*
+ * Local variables:
+ * mode: C
+ * c-file-style: "BSD"
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ */