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| author | Thomas Huth <thuth@redhat.com> | 2025-01-16 12:58:24 +0100 |
|---|---|---|
| committer | Thomas Huth <thuth@redhat.com> | 2025-01-22 08:28:49 +0100 |
| commit | 3936d0556383829b8db9518aed8badfed6513953 (patch) | |
| tree | 7ee8c2317b5750f25f4aa1c7c8d8300c93e2af1c | |
| parent | 807830e809bc684dc3344e78dd32f0cb6e5c6c37 (diff) | |
| download | qemu-3936d0556383829b8db9518aed8badfed6513953.zip qemu-3936d0556383829b8db9518aed8badfed6513953.tar.gz qemu-3936d0556383829b8db9518aed8badfed6513953.tar.bz2 | |
pc-bios/s390-ccw/virtio: Add a function to reset a virtio device
To be able to properly silence a virtio device after using it,
we need a global function to reset the device.
Reviewed-by: Jared Rossi <jrossi@linux.ibm.com>
Reviewed-by: Eric Farman <farman@linux.ibm.com>
Tested-by: Jared Rossi <jrossi@linux.ibm.com>
Message-ID: <20250116115826.192047-2-thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
| -rw-r--r-- | pc-bios/s390-ccw/virtio.c | 7 | ||||
| -rw-r--r-- | pc-bios/s390-ccw/virtio.h | 1 |
2 files changed, 7 insertions, 1 deletions
diff --git a/pc-bios/s390-ccw/virtio.c b/pc-bios/s390-ccw/virtio.c index 8b5a370..cd6c99c 100644 --- a/pc-bios/s390-ccw/virtio.c +++ b/pc-bios/s390-ccw/virtio.c @@ -217,6 +217,11 @@ int virtio_run(VDev *vdev, int vqid, VirtioCmd *cmd) return 0; } +int virtio_reset(VDev *vdev) +{ + return run_ccw(vdev, CCW_CMD_VDEV_RESET, NULL, 0, false); +} + int virtio_setup_ccw(VDev *vdev) { int i, cfg_size = 0; @@ -235,7 +240,7 @@ int virtio_setup_ccw(VDev *vdev) vdev->config.blk.blk_size = 0; /* mark "illegal" - setup started... */ vdev->guessed_disk_nature = VIRTIO_GDN_NONE; - run_ccw(vdev, CCW_CMD_VDEV_RESET, NULL, 0, false); + virtio_reset(vdev); status = VIRTIO_CONFIG_S_ACKNOWLEDGE; if (run_ccw(vdev, CCW_CMD_WRITE_STATUS, &status, sizeof(status), false)) { diff --git a/pc-bios/s390-ccw/virtio.h b/pc-bios/s390-ccw/virtio.h index 9faf398..f13fa6f 100644 --- a/pc-bios/s390-ccw/virtio.h +++ b/pc-bios/s390-ccw/virtio.h @@ -274,6 +274,7 @@ void vring_send_buf(VRing *vr, void *p, int len, int flags); int vr_poll(VRing *vr); int vring_wait_reply(void); int virtio_run(VDev *vdev, int vqid, VirtioCmd *cmd); +int virtio_reset(VDev *vdev); int virtio_setup_ccw(VDev *vdev); int virtio_net_init(void *mac_addr); |