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| author | Matthew Rosato <mjrosato@linux.ibm.com> | 2020-10-26 11:34:32 -0400 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2020-11-01 12:30:51 -0700 |
| commit | 3ab7a0b40d4be5ade3b61d4afd1518193b199423 (patch) | |
| tree | 96cafb0aed3dcd830a71291947169b72d31b8b69 /hw/vfio/common.c | |
| parent | 408b55db8be3e3edae041d46ef8786fabc1476aa (diff) | |
| download | focaccia-qemu-3ab7a0b40d4be5ade3b61d4afd1518193b199423.tar.gz focaccia-qemu-3ab7a0b40d4be5ade3b61d4afd1518193b199423.zip | |
vfio: Create shared routine for scanning info capabilities
Rather than duplicating the same loop in multiple locations, create a static function to do the work. Signed-off-by: Matthew Rosato <mjrosato@linux.ibm.com> Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'hw/vfio/common.c')
| -rw-r--r-- | hw/vfio/common.c | 21 |
1 files changed, 13 insertions, 8 deletions
diff --git a/hw/vfio/common.c b/hw/vfio/common.c index d41ba67ffb..693d3a2943 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -1125,17 +1125,12 @@ static void vfio_listener_release(VFIOContainer *container) } } -struct vfio_info_cap_header * -vfio_get_region_info_cap(struct vfio_region_info *info, uint16_t id) +static struct vfio_info_cap_header * +vfio_get_cap(void *ptr, uint32_t cap_offset, uint16_t id) { struct vfio_info_cap_header *hdr; - void *ptr = info; - if (!(info->flags & VFIO_REGION_INFO_FLAG_CAPS)) { - return NULL; - } - - for (hdr = ptr + info->cap_offset; hdr != ptr; hdr = ptr + hdr->next) { + for (hdr = ptr + cap_offset; hdr != ptr; hdr = ptr + hdr->next) { if (hdr->id == id) { return hdr; } @@ -1144,6 +1139,16 @@ vfio_get_region_info_cap(struct vfio_region_info *info, uint16_t id) return NULL; } +struct vfio_info_cap_header * +vfio_get_region_info_cap(struct vfio_region_info *info, uint16_t id) +{ + if (!(info->flags & VFIO_REGION_INFO_FLAG_CAPS)) { + return NULL; + } + + return vfio_get_cap((void *)info, info->cap_offset, id); +} + static int vfio_setup_region_sparse_mmaps(VFIORegion *region, struct vfio_region_info *info) { |