| Message ID | 1600197283-25274-3-git-send-email-mjrosato@linux.ibm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | s390x/pci: Accomodate vfio DMA limiting | expand |
On 9/15/20 9:14 PM, Matthew Rosato wrote: > 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> > --- > hw/vfio/common.c | 21 +++++++++++++-------- > 1 file changed, 13 insertions(+), 8 deletions(-) > > diff --git a/hw/vfio/common.c b/hw/vfio/common.c > index 3335714..eba7b55 100644 > --- a/hw/vfio/common.c > +++ b/hw/vfio/common.c > @@ -825,17 +825,12 @@ 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; > } > @@ -844,6 +839,16 @@ 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) > { >
On Tue, 15 Sep 2020 15:14:40 -0400 Matthew Rosato <mjrosato@linux.ibm.com> wrote: > 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> > --- > hw/vfio/common.c | 21 +++++++++++++-------- > 1 file changed, 13 insertions(+), 8 deletions(-) Reviewed-by: Cornelia Huck <cohuck@redhat.com>
diff --git a/hw/vfio/common.c b/hw/vfio/common.c index 3335714..eba7b55 100644 --- a/hw/vfio/common.c +++ b/hw/vfio/common.c @@ -825,17 +825,12 @@ 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; } @@ -844,6 +839,16 @@ 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) {
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> --- hw/vfio/common.c | 21 +++++++++++++-------- 1 file changed, 13 insertions(+), 8 deletions(-)