[PATCH v3 35/38] virtio_mem: convert to LE accessors

Michael S. Tsirkin
2020-08-05T19:26:56Z

Virtio mem is modern-only. Use LE accessors for config space.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
---
drivers/virtio/virtio_mem.c | 30 +++++++++++++++---------------
1 file changed, 15 insertions(+), 15 deletions(-)

diff --git a/drivers/virtio/virtio_mem.c b/drivers/virtio/virtio_mem.c
index f26f5f64ae82..c08512fcea90 100644
--- a/drivers/virtio/virtio_mem.c
+++ b/drivers/virtio/virtio_mem.c
@@ -1530,21 +1530,21 @@ static void virtio_mem_refresh_config(struct virtio_mem *vm)
uint64_t new_plugged_size, usable_region_size, end_addr;

/* the plugged_size is just a reflection of what _we_ did previously */
- virtio_cread(vm->vdev, struct virtio_mem_config, plugged_size,
- &new_plugged_size);
+ virtio_cread_le(vm->vdev, struct virtio_mem_config, plugged_size,
+ &new_plugged_size);
if (WARN_ON_ONCE(new_plugged_size != vm->plugged_size))
vm->plugged_size = new_plugged_size;

/* calculate the last usable memory block id */
- virtio_cread(vm->vdev, struct virtio_mem_config,
- usable_region_size, &usable_region_size);
+ virtio_cread_le(vm->vdev, struct virtio_mem_config,
+ usable_region_size, &usable_region_size);
end_addr = vm->addr + usable_region_size;
end_addr = min(end_addr, phys_limit);
vm->last_usable_mb_id = virtio_mem_phys_to_mb_id(end_addr) - 1;

/* see if there is a request to change the size */
- virtio_cread(vm->vdev, struct virtio_mem_config, requested_size,
- &vm->requested_size);
+ virtio_cread_le(vm->vdev, struct virtio_mem_config, requested_size,
+ &vm->requested_size);

dev_info(&vm->vdev->dev, "plugged size: 0x%llx", vm->plugged_size);
dev_info(&vm->vdev->dev, "requested size: 0x%llx", vm->requested_size);
@@ -1677,16 +1677,16 @@ static int virtio_mem_init(struct virtio_mem *vm)
}

/* Fetch all properties that can't change. */
- virtio_cread(vm->vdev, struct virtio_mem_config, plugged_size,
- &vm->plugged_size);
- virtio_cread(vm->vdev, struct virtio_mem_config, block_size,
- &vm->device_block_size);
- virtio_cread(vm->vdev, struct virtio_mem_config, node_id,
- &node_id);
+ virtio_cread_le(vm->vdev, struct virtio_mem_config, plugged_size,
+ &vm->plugged_size);
+ virtio_cread_le(vm->vdev, struct virtio_mem_config, block_size,
+ &vm->device_block_size);
+ virtio_cread_le(vm->vdev, struct virtio_mem_config, node_id,
+ &node_id);
vm->nid = virtio_mem_translate_node_id(vm, node_id);
- virtio_cread(vm->vdev, struct virtio_mem_config, addr, &vm->addr);
- virtio_cread(vm->vdev, struct virtio_mem_config, region_size,
- &vm->region_size);
+ virtio_cread_le(vm->vdev, struct virtio_mem_config, addr, &vm->addr);
+ virtio_cread_le(vm->vdev, struct virtio_mem_config, region_size,
+ &vm->region_size);

/*
* We always hotplug memory in memory block granularity. This way,
--
MST