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| author | Cédric Le Goater <clg@redhat.com> | 2025-03-26 08:51:04 +0100 |
|---|---|---|
| committer | Cédric Le Goater <clg@redhat.com> | 2025-04-25 09:01:37 +0200 |
| commit | 005b8d10450d2d41e9c1bcf8da4085f23cb85b76 (patch) | |
| tree | 2f71eb772c96d4e541eeb4e04c59c0b125da5abd /hw/vfio/helpers.c | |
| parent | 545256134fdcac6c342f8e7f45eb591e3b12c700 (diff) | |
| download | focaccia-qemu-005b8d10450d2d41e9c1bcf8da4085f23cb85b76.tar.gz focaccia-qemu-005b8d10450d2d41e9c1bcf8da4085f23cb85b76.zip | |
vfio: Move vfio_get_device_info() to helpers.c
vfio_get_device_info() is a low level routine. Move it with the other helpers. Reviewed-by: Zhenzhong Duan <zhenzhong.duan@intel.com> Reviewed-by: John Levon <john.levon@nutanix.com> Link: https://lore.kernel.org/qemu-devel/20250318095415.670319-19-clg@redhat.com Link: https://lore.kernel.org/qemu-devel/20250326075122.1299361-20-clg@redhat.com Signed-off-by: Cédric Le Goater <clg@redhat.com>
Diffstat (limited to 'hw/vfio/helpers.c')
| -rw-r--r-- | hw/vfio/helpers.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/hw/vfio/helpers.c b/hw/vfio/helpers.c index e6b75baa80..b7f75b47af 100644 --- a/hw/vfio/helpers.c +++ b/hw/vfio/helpers.c @@ -312,6 +312,30 @@ int vfio_kvm_device_del_fd(int fd, Error **errp) return 0; } +struct vfio_device_info *vfio_get_device_info(int fd) +{ + struct vfio_device_info *info; + uint32_t argsz = sizeof(*info); + + info = g_malloc0(argsz); + +retry: + info->argsz = argsz; + + if (ioctl(fd, VFIO_DEVICE_GET_INFO, info)) { + g_free(info); + return NULL; + } + + if (info->argsz > argsz) { + argsz = info->argsz; + info = g_realloc(info, argsz); + goto retry; + } + + return info; +} + int vfio_get_dev_region_info(VFIODevice *vbasedev, uint32_t type, uint32_t subtype, struct vfio_region_info **info) { |