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>

1 files changed, 0 insertions, 155 deletions

diff --git a/qemu/roms/SLOF/lib/libvirtio/virtio-scsi.c b/qemu/roms/SLOF/lib/libvirtio/virtio-scsi.c
deleted file mode 100644
index 04181b06c..000000000
--- a/qemu/roms/SLOF/lib/libvirtio/virtio-scsi.c
+++ /dev/null
@@ -1,155 +0,0 @@
-/******************************************************************************
- * Copyright (c) 2012 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
- *****************************************************************************/
-
-#include <stdio.h>
-#include <string.h>
-#include <cpu.h>
-#include <helpers.h>
-#include "virtio.h"
-#include "virtio-internal.h"
-#include "virtio-scsi.h"
-
-int virtioscsi_send(struct virtio_device *dev,
-		    struct virtio_scsi_req_cmd *req,
-		    struct virtio_scsi_resp_cmd *resp,
-		    int is_read, void *buf, uint64_t buf_len)
-{
-	struct vring_desc *vq_desc;		/* Descriptor vring */
-	struct vring_avail *vq_avail;		/* "Available" vring */
-	struct vring_used *vq_used;		/* "Used" vring */
-
-	volatile uint16_t *current_used_idx;
-	uint16_t last_used_idx, avail_idx;
-	int id;
-	uint32_t vq_size, time;
-
-	int vq = VIRTIO_SCSI_REQUEST_VQ;
-
-	vq_size = virtio_get_qsize(dev, vq);
-	vq_desc = virtio_get_vring_desc(dev, vq);
-	vq_avail = virtio_get_vring_avail(dev, vq);
-	vq_used = virtio_get_vring_used(dev, vq);
-
-	avail_idx = virtio_modern16_to_cpu(dev, vq_avail->idx);
-
-	last_used_idx = vq_used->idx;
-	current_used_idx = &vq_used->idx;
-
-	/* Determine descriptor index */
-	id = (avail_idx * 3) % vq_size;
-	virtio_fill_desc(&vq_desc[id], dev->is_modern, (uint64_t)req, sizeof(*req), VRING_DESC_F_NEXT,
-			 (id + 1) % vq_size);
-
-	/* Set up virtqueue descriptor for data */
-	if (buf && buf_len) {
-		virtio_fill_desc(&vq_desc[(id + 1) % vq_size], dev->is_modern,
-				 (uint64_t)resp, sizeof(*resp),
-				 VRING_DESC_F_NEXT | VRING_DESC_F_WRITE,
-				 (id + 2) % vq_size);
-		/* Set up virtqueue descriptor for status */
-		virtio_fill_desc(&vq_desc[(id + 2) % vq_size], dev->is_modern,
-				 (uint64_t)buf, buf_len,
-				 (is_read ? VRING_DESC_F_WRITE : 0), 0);
-	} else {
-		virtio_fill_desc(&vq_desc[(id + 1) % vq_size], dev->is_modern,
-				 (uint64_t)resp, sizeof(*resp),
-				 VRING_DESC_F_WRITE, 0);
-	}
-
-	vq_avail->ring[avail_idx % vq_size] = virtio_cpu_to_modern16(dev, id);
-	mb();
-	vq_avail->idx = virtio_cpu_to_modern16(dev, avail_idx + 1);
-
-	/* Tell HV that the vq is ready */
-	virtio_queue_notify(dev, vq);
-
-	/* Wait for host to consume the descriptor */
-	time = SLOF_GetTimer() + VIRTIO_TIMEOUT;
-	while (*current_used_idx == last_used_idx) {
-		// do something better
-		mb();
-		if (time < SLOF_GetTimer())
-			break;
-	}
-
-	return 0;
-}
-
-/**
- * Initialize virtio-block device.
- * @param  dev  pointer to virtio device information
- */
-int virtioscsi_init(struct virtio_device *dev)
-{
-	struct vring_avail *vq_avail;
-	unsigned int idx = 0;
-	int qsize = 0;
-	int status = VIRTIO_STAT_ACKNOWLEDGE;
-
-	/* Reset device */
-	// XXX That will clear the virtq base. We need to move
-	//     initializing it to here anyway
-	//
-	//     virtio_reset_device(dev);
-
-	/* Acknowledge device. */
-	virtio_set_status(dev, status);
-
-	/* Tell HV that we know how to drive the device. */
-	status |= VIRTIO_STAT_DRIVER;
-	virtio_set_status(dev, status);
-
-	/* Device specific setup - we do not support special features right now */
-	if (dev->is_modern) {
-		if (virtio_negotiate_guest_features(dev, VIRTIO_F_VERSION_1))
-			goto dev_error;
-		virtio_get_status(dev, &status);
-	} else {
-		virtio_set_guest_features(dev, 0);
-	}
-
-	while(1) {
-		qsize = virtio_get_qsize(dev, idx);
-		if (!qsize)
-			break;
-		virtio_vring_size(qsize);
-
-		vq_avail = virtio_get_vring_avail(dev, idx);
-		vq_avail->flags = virtio_cpu_to_modern16(dev, VRING_AVAIL_F_NO_INTERRUPT);
-		vq_avail->idx = 0;
-		idx++;
-	}
-
-	/* Tell HV that setup succeeded */
-	status |= VIRTIO_STAT_DRIVER_OK;
-	virtio_set_status(dev, status);
-
-	return 0;
-dev_error:
-	printf("%s: failed\n", __func__);
-	status |= VIRTIO_STAT_FAILED;
-	virtio_set_status(dev, status);
-	return -1;
-}
-
-/**
- * Shutdown the virtio-block device.
- * @param  dev  pointer to virtio device information
- */
-void virtioscsi_shutdown(struct virtio_device *dev)
-{
-	/* Quiesce device */
-	virtio_set_status(dev, VIRTIO_STAT_FAILED);
-
-	/* Reset device */
-	virtio_reset_device(dev);
-}