Adding upstream version 6.7.7.upstream/6.7.7

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/include/xen/interface/hvm/ioreq.h b/include/xen/interface/hvm/ioreq.h
new file mode 100644
index 0000000000..b02cfeae7e
--- /dev/null
+++ b/include/xen/interface/hvm/ioreq.h
@@ -0,0 +1,51 @@
+/* SPDX-License-Identifier: MIT */
+/*
+ * ioreq.h: I/O request definitions for device models
+ * Copyright (c) 2004, Intel Corporation.
+ */
+
+#ifndef __XEN_PUBLIC_HVM_IOREQ_H__
+#define __XEN_PUBLIC_HVM_IOREQ_H__
+
+#define IOREQ_READ      1
+#define IOREQ_WRITE     0
+
+#define STATE_IOREQ_NONE        0
+#define STATE_IOREQ_READY       1
+#define STATE_IOREQ_INPROCESS   2
+#define STATE_IORESP_READY      3
+
+#define IOREQ_TYPE_PIO          0 /* pio */
+#define IOREQ_TYPE_COPY         1 /* mmio ops */
+#define IOREQ_TYPE_PCI_CONFIG   2
+#define IOREQ_TYPE_TIMEOFFSET   7
+#define IOREQ_TYPE_INVALIDATE   8 /* mapcache */
+
+/*
+ * VMExit dispatcher should cooperate with instruction decoder to
+ * prepare this structure and notify service OS and DM by sending
+ * virq.
+ *
+ * For I/O type IOREQ_TYPE_PCI_CONFIG, the physical address is formatted
+ * as follows:
+ *
+ * 63....48|47..40|39..35|34..32|31........0
+ * SEGMENT |BUS   |DEV   |FN    |OFFSET
+ */
+struct ioreq {
+	uint64_t addr;          /* physical address */
+	uint64_t data;          /* data (or paddr of data) */
+	uint32_t count;         /* for rep prefixes */
+	uint32_t size;          /* size in bytes */
+	uint32_t vp_eport;      /* evtchn for notifications to/from device model */
+	uint16_t _pad0;
+	uint8_t state:4;
+	uint8_t data_is_ptr:1;  /* if 1, data above is the guest paddr
+				 * of the real data to use. */
+	uint8_t dir:1;          /* 1=read, 0=write */
+	uint8_t df:1;
+	uint8_t _pad1:1;
+	uint8_t type;           /* I/O type */
+};
+
+#endif /* __XEN_PUBLIC_HVM_IOREQ_H__ */