diff options
| author | Jason Gunthorpe <jgg@nvidia.com> | 2021-04-06 21:40:36 +0200 |
|---|---|---|
| committer | Alex Williamson <alex.williamson@redhat.com> | 2021-04-07 23:39:19 +0200 |
| commit | adc9d1f6f5db811f5269cfc66c48fc0cab6c041c (patch) | |
| tree | 2ab5a5406465c49aca383877e82ae3b00f0d0ab8 /samples/vfio-mdev | |
| parent | vfio/mtty: Use mdev_get_type_group_id() (diff) | |
| download | linux-adc9d1f6f5db811f5269cfc66c48fc0cab6c041c.tar.xz linux-adc9d1f6f5db811f5269cfc66c48fc0cab6c041c.zip | |
vfio/mdpy: Use mdev_get_type_group_id()
The mdpy_types array is parallel to the supported_type_groups array, so
the type_group_id indexes both. Instead of doing string searching just
directly index with type_group_id in all places.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Message-Id: <13-v2-d36939638fc6+d54-vfio2_jgg@nvidia.com>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'samples/vfio-mdev')
| -rw-r--r-- | samples/vfio-mdev/mdpy.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/samples/vfio-mdev/mdpy.c b/samples/vfio-mdev/mdpy.c index d4ec2b52ca49..08c15f9f06a8 100644 --- a/samples/vfio-mdev/mdpy.c +++ b/samples/vfio-mdev/mdpy.c @@ -99,16 +99,6 @@ struct mdev_state { void *memblk; }; -static const struct mdpy_type *mdpy_find_type(struct kobject *kobj) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(mdpy_types); i++) - if (strcmp(mdpy_types[i].name, kobj->name) == 0) - return mdpy_types + i; - return NULL; -} - static void mdpy_create_config_space(struct mdev_state *mdev_state) { STORE_LE16((u16 *) &mdev_state->vconfig[PCI_VENDOR_ID], @@ -228,7 +218,8 @@ static int mdpy_reset(struct mdev_device *mdev) static int mdpy_create(struct kobject *kobj, struct mdev_device *mdev) { - const struct mdpy_type *type = mdpy_find_type(kobj); + const struct mdpy_type *type = + &mdpy_types[mdev_get_type_group_id(mdev)]; struct device *dev = mdev_dev(mdev); struct mdev_state *mdev_state; u32 fbsize; @@ -246,8 +237,6 @@ static int mdpy_create(struct kobject *kobj, struct mdev_device *mdev) return -ENOMEM; } - if (!type) - type = &mdpy_types[0]; fbsize = roundup_pow_of_two(type->width * type->height * type->bytepp); mdev_state->memblk = vmalloc_user(fbsize); @@ -256,8 +245,8 @@ static int mdpy_create(struct kobject *kobj, struct mdev_device *mdev) kfree(mdev_state); return -ENOMEM; } - dev_info(dev, "%s: %s (%dx%d)\n", - __func__, kobj->name, type->width, type->height); + dev_info(dev, "%s: %s (%dx%d)\n", __func__, type->name, type->width, + type->height); mutex_init(&mdev_state->ops_lock); mdev_state->mdev = mdev; @@ -673,7 +662,8 @@ static MDEV_TYPE_ATTR_RO(name); static ssize_t description_show(struct kobject *kobj, struct device *dev, char *buf) { - const struct mdpy_type *type = mdpy_find_type(kobj); + const struct mdpy_type *type = + &mdpy_types[mtype_get_type_group_id(kobj)]; return sprintf(buf, "virtual display, %dx%d framebuffer\n", type ? type->width : 0, |