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DM: remove unused function virtio_dev_error

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Change-Id: I6e94ab0286e73435429e2ccf971207c7d8ed6ef6
Tracked-On: #3123
Signed-off-by: Ying Liu <ying2.liu@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
yliu79 2019-05-22 10:15:45 -07:00 committed by ACRN System Integration
parent 2d6e6ca375
commit 62f14bb11f
2 changed files with 0 additions and 37 deletions
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24
devicemodel/hw/pci/virtio/virtio.c
View File

@ -1177,30 +1177,6 @@ virtio_set_modern_bar(struct virtio_base *base, bool use_notify_pio)
return rc;
}
/**
* @brief Indicate the device has experienced an error.
*
* This is called when the device has experienced an error from which it
* cannot re-cover. DEVICE_NEEDS_RESET is set to the device status register
* and a config change intr is sent to the guest driver.
*
* @param base Pointer to struct virtio_base.
*
* @return None
*/
void
virtio_dev_error(struct virtio_base *base)
{
if (base->negotiated_caps & (1UL << VIRTIO_F_VERSION_1)) {
/* see 2.1.2. if DRIVER_OK is set, need to send
* a device configuration change notification to the driver
*/
base->status |= VIRTIO_CONFIG_S_NEEDS_RESET;
if (base->status & VIRTIO_CONFIG_S_DRIVER_OK)
virtio_config_changed(base);
}
}
static struct cap_region {
uint64_t cap_offset; /* offset of capability region */
int cap_size; /* size of capability region */

13
devicemodel/include/virtio.h
View File

@ -716,19 +716,6 @@ uint64_t virtio_pci_read(struct vmctx *ctx, int vcpu, struct pci_vdev *dev,
void virtio_pci_write(struct vmctx *ctx, int vcpu, struct pci_vdev *dev,
int baridx, uint64_t offset, int size, uint64_t value);
/**
* @brief Indicate the device has experienced an error.
*
* This is called when the device has experienced an error from which it
* cannot re-cover. DEVICE_NEEDS_RESET is set to the device status register
* and a config change intr is sent to the guest driver.
*
* @param base Pointer to struct virtio_base.
*
* @return None
*/
void virtio_dev_error(struct virtio_base *base);
/**
* @brief Set modern BAR (usually 4) to map PCI config registers.
*