diff mbox series

[V2,32/45] physmem: qemu_ram_get_fd_offset

Message ID 1739542467-226739-33-git-send-email-steven.sistare@oracle.com (mailing list archive)
State New
Headers show
Series Live update: vfio and iommufd | expand

Commit Message

Steven Sistare Feb. 14, 2025, 2:14 p.m. UTC
Define qemu_ram_get_fd_offset, so CPR can map a memory region using
IOMMU_IOAS_MAP_FILE in a subsequent patch.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
---
 include/exec/cpu-common.h | 1 +
 system/physmem.c          | 5 +++++
 2 files changed, 6 insertions(+)

Comments

Steven Sistare Feb. 14, 2025, 2:39 p.m. UTC | #1
cc memory reviewers.
The series is here:
   https://lore.kernel.org/qemu-devel/1739542467-226739-1-git-send-email-steven.sistare@oracle.com/

- Steve

On 2/14/2025 9:14 AM, Steve Sistare wrote:
> Define qemu_ram_get_fd_offset, so CPR can map a memory region using
> IOMMU_IOAS_MAP_FILE in a subsequent patch.
> 
> Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
> ---
>   include/exec/cpu-common.h | 1 +
>   system/physmem.c          | 5 +++++
>   2 files changed, 6 insertions(+)
> 
> diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
> index b1d76d6..0cab252 100644
> --- a/include/exec/cpu-common.h
> +++ b/include/exec/cpu-common.h
> @@ -95,6 +95,7 @@ void qemu_ram_unset_idstr(RAMBlock *block);
>   const char *qemu_ram_get_idstr(RAMBlock *rb);
>   void *qemu_ram_get_host_addr(RAMBlock *rb);
>   ram_addr_t qemu_ram_get_offset(RAMBlock *rb);
> +ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb);
>   ram_addr_t qemu_ram_get_used_length(RAMBlock *rb);
>   ram_addr_t qemu_ram_get_max_length(RAMBlock *rb);
>   bool qemu_ram_is_shared(RAMBlock *rb);
> diff --git a/system/physmem.c b/system/physmem.c
> index 0bcfc6c..c41a80b 100644
> --- a/system/physmem.c
> +++ b/system/physmem.c
> @@ -1569,6 +1569,11 @@ ram_addr_t qemu_ram_get_offset(RAMBlock *rb)
>       return rb->offset;
>   }
>   
> +ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb)
> +{
> +    return rb->fd_offset;
> +}
> +
>   ram_addr_t qemu_ram_get_used_length(RAMBlock *rb)
>   {
>       return rb->used_length;
Peter Xu Feb. 14, 2025, 4:49 p.m. UTC | #2
On Fri, Feb 14, 2025 at 06:14:14AM -0800, Steve Sistare wrote:
> Define qemu_ram_get_fd_offset, so CPR can map a memory region using
> IOMMU_IOAS_MAP_FILE in a subsequent patch.
> 
> Signed-off-by: Steve Sistare <steven.sistare@oracle.com>

Reviewed-by: Peter Xu <peterx@redhat.com>
diff mbox series

Patch

diff --git a/include/exec/cpu-common.h b/include/exec/cpu-common.h
index b1d76d6..0cab252 100644
--- a/include/exec/cpu-common.h
+++ b/include/exec/cpu-common.h
@@ -95,6 +95,7 @@  void qemu_ram_unset_idstr(RAMBlock *block);
 const char *qemu_ram_get_idstr(RAMBlock *rb);
 void *qemu_ram_get_host_addr(RAMBlock *rb);
 ram_addr_t qemu_ram_get_offset(RAMBlock *rb);
+ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb);
 ram_addr_t qemu_ram_get_used_length(RAMBlock *rb);
 ram_addr_t qemu_ram_get_max_length(RAMBlock *rb);
 bool qemu_ram_is_shared(RAMBlock *rb);
diff --git a/system/physmem.c b/system/physmem.c
index 0bcfc6c..c41a80b 100644
--- a/system/physmem.c
+++ b/system/physmem.c
@@ -1569,6 +1569,11 @@  ram_addr_t qemu_ram_get_offset(RAMBlock *rb)
     return rb->offset;
 }
 
+ram_addr_t qemu_ram_get_fd_offset(RAMBlock *rb)
+{
+    return rb->fd_offset;
+}
+
 ram_addr_t qemu_ram_get_used_length(RAMBlock *rb)
 {
     return rb->used_length;