[PATCH 1/2] hw/vfio/pci-quirks: Resolve redundant property getters

Bernhard Beschow posted 2 patches 3 years, 11 months ago
Maintainers: Alistair Francis <Alistair.Francis@wdc.com>, David Hildenbrand <david@redhat.com>, "Michael S. Tsirkin" <mst@redhat.com>, Bin Meng <bin.meng@windriver.com>, Alex Williamson <alex.williamson@redhat.com>, Palmer Dabbelt <palmer@dabbelt.com>
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[PATCH 1/2] hw/vfio/pci-quirks: Resolve redundant property getters
Posted by Bernhard Beschow 3 years, 11 months ago
The QOM API already provides getters for uint64 and uint32 values, so reuse
them.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
---
 hw/vfio/pci-quirks.c | 34 +++++++++-------------------------
 1 file changed, 9 insertions(+), 25 deletions(-)

diff --git a/hw/vfio/pci-quirks.c b/hw/vfio/pci-quirks.c
index 0cf69a8c6d..f0147a050a 100644
--- a/hw/vfio/pci-quirks.c
+++ b/hw/vfio/pci-quirks.c
@@ -1565,22 +1565,6 @@ static int vfio_add_nv_gpudirect_cap(VFIOPCIDevice *vdev, Error **errp)
     return 0;
 }
 
-static void vfio_pci_nvlink2_get_tgt(Object *obj, Visitor *v,
-                                     const char *name,
-                                     void *opaque, Error **errp)
-{
-    uint64_t tgt = (uintptr_t) opaque;
-    visit_type_uint64(v, name, &tgt, errp);
-}
-
-static void vfio_pci_nvlink2_get_link_speed(Object *obj, Visitor *v,
-                                                 const char *name,
-                                                 void *opaque, Error **errp)
-{
-    uint32_t link_speed = (uint32_t)(uintptr_t) opaque;
-    visit_type_uint32(v, name, &link_speed, errp);
-}
-
 int vfio_pci_nvidia_v100_ram_init(VFIOPCIDevice *vdev, Error **errp)
 {
     int ret;
@@ -1618,9 +1602,9 @@ int vfio_pci_nvidia_v100_ram_init(VFIOPCIDevice *vdev, Error **errp)
                                nv2reg->size, p);
     QLIST_INSERT_HEAD(&vdev->bars[0].quirks, quirk, next);
 
-    object_property_add(OBJECT(vdev), "nvlink2-tgt", "uint64",
-                        vfio_pci_nvlink2_get_tgt, NULL, NULL,
-                        (void *) (uintptr_t) cap->tgt);
+    object_property_add_uint64_ptr(OBJECT(vdev), "nvlink2-tgt",
+                                   (uint64_t *) &cap->tgt,
+                                   OBJ_PROP_FLAG_READ);
     trace_vfio_pci_nvidia_gpu_setup_quirk(vdev->vbasedev.name, cap->tgt,
                                           nv2reg->size);
 free_exit:
@@ -1679,15 +1663,15 @@ int vfio_pci_nvlink2_init(VFIOPCIDevice *vdev, Error **errp)
         QLIST_INSERT_HEAD(&vdev->bars[0].quirks, quirk, next);
     }
 
-    object_property_add(OBJECT(vdev), "nvlink2-tgt", "uint64",
-                        vfio_pci_nvlink2_get_tgt, NULL, NULL,
-                        (void *) (uintptr_t) captgt->tgt);
+    object_property_add_uint64_ptr(OBJECT(vdev), "nvlink2-tgt",
+                                   (uint64_t *) &captgt->tgt,
+                                   OBJ_PROP_FLAG_READ);
     trace_vfio_pci_nvlink2_setup_quirk_ssatgt(vdev->vbasedev.name, captgt->tgt,
                                               atsdreg->size);
 
-    object_property_add(OBJECT(vdev), "nvlink2-link-speed", "uint32",
-                        vfio_pci_nvlink2_get_link_speed, NULL, NULL,
-                        (void *) (uintptr_t) capspeed->link_speed);
+    object_property_add_uint32_ptr(OBJECT(vdev), "nvlink2-link-speed",
+                                   &capspeed->link_speed,
+                                   OBJ_PROP_FLAG_READ);
     trace_vfio_pci_nvlink2_setup_quirk_lnkspd(vdev->vbasedev.name,
                                               capspeed->link_speed);
 free_exit:
-- 
2.35.1


Re: [PATCH 1/2] hw/vfio/pci-quirks: Resolve redundant property getters
Posted by Philippe Mathieu-Daudé 3 years, 11 months ago
On 17/2/22 23:53, Bernhard Beschow wrote:
> The QOM API already provides getters for uint64 and uint32 values, so reuse
> them.
> 
> Signed-off-by: Bernhard Beschow <shentey@gmail.com>
> ---
>   hw/vfio/pci-quirks.c | 34 +++++++++-------------------------
>   1 file changed, 9 insertions(+), 25 deletions(-)

Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>