diff mbox series

[v4,17/17] hw/arm: xen: Enable use of grant mappings

Message ID 20240430164939.925307-18-edgar.iglesias@gmail.com (mailing list archive)
State New
Headers show
Series xen: Support grant mappings | expand

Commit Message

Edgar E. Iglesias April 30, 2024, 4:49 p.m. UTC 
From: "Edgar E. Iglesias" <edgar.iglesias@amd.com>

Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>
---
 hw/arm/xen_arm.c | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Stefano Stabellini May 1, 2024, 10:11 p.m. UTC | #1 
On Tue, 30 Apr 2024, Edgar E. Iglesias wrote:
> From: "Edgar E. Iglesias" <edgar.iglesias@amd.com>
> 
> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@amd.com>

Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>


> ---
>  hw/arm/xen_arm.c | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/hw/arm/xen_arm.c b/hw/arm/xen_arm.c
> index 15fa7dfa84..6fad829ede 100644
> --- a/hw/arm/xen_arm.c
> +++ b/hw/arm/xen_arm.c
> @@ -125,6 +125,11 @@ static void xen_init_ram(MachineState *machine)
>                                   GUEST_RAM1_BASE, ram_size[1]);
>          memory_region_add_subregion(sysmem, GUEST_RAM1_BASE, &ram_hi);
>      }
> +
> +    /* Setup support for grants.  */
> +    memory_region_init_ram(&xen_grants, NULL, "xen.grants", block_len,
> +                           &error_fatal);
> +    memory_region_add_subregion(sysmem, XEN_GRANT_ADDR_OFF, &xen_grants);
>  }
>  
>  void arch_handle_ioreq(XenIOState *state, ioreq_t *req)
> -- 
> 2.40.1
>
diff mbox series

Patch

diff --git a/hw/arm/xen_arm.c b/hw/arm/xen_arm.c
index 15fa7dfa84..6fad829ede 100644
--- a/hw/arm/xen_arm.c
+++ b/hw/arm/xen_arm.c
@@ -125,6 +125,11 @@  static void xen_init_ram(MachineState *machine)
                                  GUEST_RAM1_BASE, ram_size[1]);
         memory_region_add_subregion(sysmem, GUEST_RAM1_BASE, &ram_hi);
     }
+
+    /* Setup support for grants.  */
+    memory_region_init_ram(&xen_grants, NULL, "xen.grants", block_len,
+                           &error_fatal);
+    memory_region_add_subregion(sysmem, XEN_GRANT_ADDR_OFF, &xen_grants);
 }
 
 void arch_handle_ioreq(XenIOState *state, ioreq_t *req)