[v1] Xen: support grant mappings.

[QEMU][PATCH v1 7/7] hw: arm: Add grant mapping.

Vikram Garhwal posted 7 patches 2 years, 4 months ago

Diff against v2 v3
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Maintainers: Peter Maydell <peter.maydell@linaro.org>, Stefano Stabellini <sstabellini@kernel.org>, Anthony Perard <anthony.perard@citrix.com>, Paul Durrant <paul@xen.org>, "Michael S. Tsirkin" <mst@redhat.com>, Marcel Apfelbaum <marcel.apfelbaum@gmail.com>, Paolo Bonzini <pbonzini@redhat.com>, Richard Henderson <richard.henderson@linaro.org>, Eduardo Habkost <eduardo@habkost.net>, Peter Xu <peterx@redhat.com>, David Hildenbrand <david@redhat.com>, "Philippe Mathieu-Daudé" <philmd@linaro.org>

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[QEMU][PATCH v1 7/7] hw: arm: Add grant mapping.

Posted by Vikram Garhwal 2 years, 4 months ago

Enable grant ram mapping support for Xenpvh machine on ARM.

Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>
---
 hw/arm/xen_arm.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/hw/arm/xen_arm.c b/hw/arm/xen_arm.c
index f83b983ec5..553c289720 100644
--- a/hw/arm/xen_arm.c
+++ b/hw/arm/xen_arm.c
@@ -125,6 +125,9 @@ static void xen_init_ram(MachineState *machine)
         DPRINTF("Initialized region xen.ram.hi: base 0x%llx size 0x%lx\n",
                 GUEST_RAM1_BASE, ram_size[1]);
     }
+
+    DPRINTF("init grant ram mapping for XEN\n");
+    ram_grants = *xen_init_grant_ram();
 }
 
 void arch_handle_ioreq(XenIOState *state, ioreq_t *req)
-- 
2.17.1

Re: [QEMU][PATCH v1 7/7] hw: arm: Add grant mapping.

Posted by Stefano Stabellini 2 years, 4 months ago

On Thu, 5 Oct 2023, Vikram Garhwal wrote:
> Enable grant ram mapping support for Xenpvh machine on ARM.
> 
> Signed-off-by: Vikram Garhwal <vikram.garhwal@amd.com>

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


> ---
>  hw/arm/xen_arm.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/hw/arm/xen_arm.c b/hw/arm/xen_arm.c
> index f83b983ec5..553c289720 100644
> --- a/hw/arm/xen_arm.c
> +++ b/hw/arm/xen_arm.c
> @@ -125,6 +125,9 @@ static void xen_init_ram(MachineState *machine)
>          DPRINTF("Initialized region xen.ram.hi: base 0x%llx size 0x%lx\n",
>                  GUEST_RAM1_BASE, ram_size[1]);
>      }
> +
> +    DPRINTF("init grant ram mapping for XEN\n");
> +    ram_grants = *xen_init_grant_ram();
>  }
>  
>  void arch_handle_ioreq(XenIOState *state, ioreq_t *req)
> -- 
> 2.17.1
>