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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/roms/SLOF/lib/libvirtio/virtio.h
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/roms/SLOF/lib/libvirtio/virtio.h')
-rw-r--r--qemu/roms/SLOF/lib/libvirtio/virtio.h128
1 files changed, 0 insertions, 128 deletions
diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio.h b/qemu/roms/SLOF/lib/libvirtio/virtio.h
deleted file mode 100644
index 0fee4baec..000000000
--- a/qemu/roms/SLOF/lib/libvirtio/virtio.h
+++ /dev/null
@@ -1,128 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2011 IBM Corporation
- * All rights reserved.
- * This program and the accompanying materials
- * are made available under the terms of the BSD License
- * which accompanies this distribution, and is available at
- * http://www.opensource.org/licenses/bsd-license.php
- *
- * Contributors:
- * IBM Corporation - initial implementation
- *****************************************************************************/
-
-#ifndef _LIBVIRTIO_H
-#define _LIBVIRTIO_H
-
-#include <stdint.h>
-#include <stdbool.h>
-
-/* Device status bits */
-#define VIRTIO_STAT_ACKNOWLEDGE 1
-#define VIRTIO_STAT_DRIVER 2
-#define VIRTIO_STAT_DRIVER_OK 4
-#define VIRTIO_STAT_FEATURES_OK 8
-#define VIRTIO_STAT_NEEDS_RESET 64
-#define VIRTIO_STAT_FAILED 128
-
-#define BIT(x) (1UL << (x))
-
-/* VIRTIO 1.0 Device independent feature bits */
-#define VIRTIO_F_RING_INDIRECT_DESC BIT(28)
-#define VIRTIO_F_RING_EVENT_IDX BIT(29)
-#define VIRTIO_F_VERSION_1 BIT(32)
-
-#define VIRTIO_TIMEOUT 5000 /* 5 sec timeout */
-
-/* Definitions for vring_desc.flags */
-#define VRING_DESC_F_NEXT 1 /* buffer continues via the next field */
-#define VRING_DESC_F_WRITE 2 /* buffer is write-only (otherwise read-only) */
-#define VRING_DESC_F_INDIRECT 4 /* buffer contains a list of buffer descriptors */
-
-/* Descriptor table entry - see Virtio Spec chapter 2.3.2 */
-struct vring_desc {
- uint64_t addr; /* Address (guest-physical) */
- uint32_t len; /* Length */
- uint16_t flags; /* The flags as indicated above */
- uint16_t next; /* Next field if flags & NEXT */
-};
-
-/* Definitions for vring_avail.flags */
-#define VRING_AVAIL_F_NO_INTERRUPT 1
-
-/* Available ring - see Virtio Spec chapter 2.3.4 */
-struct vring_avail {
- uint16_t flags;
- uint16_t idx;
- uint16_t ring[];
-};
-
-/* Definitions for vring_used.flags */
-#define VRING_USED_F_NO_NOTIFY 1
-
-struct vring_used_elem {
- uint32_t id; /* Index of start of used descriptor chain */
- uint32_t len; /* Total length of the descriptor chain which was used */
-};
-
-struct vring_used {
- uint16_t flags;
- uint16_t idx;
- struct vring_used_elem ring[];
-};
-
-/* Structure shared with SLOF and is 16bytes */
-struct virtio_cap {
- void *addr;
- uint8_t bar;
- uint8_t is_io;
- uint8_t cap_id;
-};
-
-struct virtio_device {
- uint32_t is_modern; /* Indicates whether to use virtio 1.0 */
- struct virtio_cap legacy;
- struct virtio_cap common;
- struct virtio_cap notify;
- struct virtio_cap isr;
- struct virtio_cap device;
- struct virtio_cap pci;
- uint32_t notify_off_mul;
-};
-
-struct vqs {
- uint64_t id; /* Queue ID */
- uint32_t size;
- void *buf_mem;
- struct vring_desc *desc;
- struct vring_avail *avail;
- struct vring_used *used;
-};
-
-/* Parts of the virtqueue are aligned on a 4096 byte page boundary */
-#define VQ_ALIGN(addr) (((addr) + 0xfff) & ~0xfff)
-
-extern unsigned long virtio_vring_size(unsigned int qsize);
-extern unsigned int virtio_get_qsize(struct virtio_device *dev, int queue);
-extern struct vring_desc *virtio_get_vring_desc(struct virtio_device *dev, int queue);
-extern struct vring_avail *virtio_get_vring_avail(struct virtio_device *dev, int queue);
-extern struct vring_used *virtio_get_vring_used(struct virtio_device *dev, int queue);
-extern void virtio_fill_desc(struct vring_desc *desc, bool is_modern,
- uint64_t addr, uint32_t len,
- uint16_t flags, uint16_t next);
-extern int virtio_queue_init_vq(struct virtio_device *dev, struct vqs *vq, unsigned int id);
-
-extern struct virtio_device *virtio_setup_vd(void);
-extern void virtio_reset_device(struct virtio_device *dev);
-extern void virtio_queue_notify(struct virtio_device *dev, int queue);
-extern void virtio_set_status(struct virtio_device *dev, int status);
-extern void virtio_get_status(struct virtio_device *dev, int *status);
-extern void virtio_set_qaddr(struct virtio_device *dev, int queue, unsigned long qaddr);
-extern void virtio_set_guest_features(struct virtio_device *dev, uint64_t features);
-extern uint64_t virtio_get_host_features(struct virtio_device *dev);
-extern int virtio_negotiate_guest_features(struct virtio_device *dev, uint64_t features);
-extern uint64_t virtio_get_config(struct virtio_device *dev, int offset, int size);
-extern int __virtio_read_config(struct virtio_device *dev, void *dst,
- int offset, int len);
-
-
-#endif /* _LIBVIRTIO_H */