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vdpa: allow a 32 bit vq alignment 

get_vq_align returns u16 now, but that's not enough for
systems/devices with 64K pages. All callers assign it to
a u32 variable anyway, so let's just change the return
value type to u32.

Reported-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2020-04-09 16:26:21 -04:00
parent 5038a56790
commit 425a507023
3 changed files with 3 additions and 3 deletions
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2
drivers/vdpa/ifcvf/ifcvf_main.c
View File

@ -226,7 +226,7 @@ static u32 ifcvf_vdpa_get_vendor_id(struct vdpa_device *vdpa_dev)
return IFCVF_SUBSYS_VENDOR_ID;
}
static u16 ifcvf_vdpa_get_vq_align(struct vdpa_device *vdpa_dev)
static u32 ifcvf_vdpa_get_vq_align(struct vdpa_device *vdpa_dev)
{
return IFCVF_QUEUE_ALIGNMENT;
}

2
drivers/vdpa/vdpa_sim/vdpa_sim.c
View File

@ -435,7 +435,7 @@ static u64 vdpasim_get_vq_state(struct vdpa_device *vdpa, u16 idx)
return vrh->last_avail_idx;
}
static u16 vdpasim_get_vq_align(struct vdpa_device *vdpa)
static u32 vdpasim_get_vq_align(struct vdpa_device *vdpa)
{
return VDPASIM_QUEUE_ALIGN;
}

2
include/linux/vdpa.h
View File

@ -164,7 +164,7 @@ struct vdpa_config_ops {
u64 (*get_vq_state)(struct vdpa_device *vdev, u16 idx);
/* Device ops */
u16 (*get_vq_align)(struct vdpa_device *vdev);
u32 (*get_vq_align)(struct vdpa_device *vdev);
u64 (*get_features)(struct vdpa_device *vdev);
int (*set_features)(struct vdpa_device *vdev, u64 features);
void (*set_config_cb)(struct vdpa_device *vdev,