diff mbox series

[v4,1/6] xen/arm: introduce p2m_is_mmio

Message ID 20190807002311.9906-1-sstabellini@kernel.org (mailing list archive)
State New, archived
Headers show
Series [v4,1/6] xen/arm: introduce p2m_is_mmio | expand

Commit Message

Stefano Stabellini Aug. 7, 2019, 12:23 a.m. UTC
Add a p2m_is_mmio macro for easy checkings.

Signed-off-by: Stefano Stabellini <stefanos@xilinx.com>
---
 xen/include/asm-arm/p2m.h | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Julien Grall Aug. 9, 2019, 10:05 a.m. UTC | #1
Hi Stefano,

On 07/08/2019 01:23, Stefano Stabellini wrote:
> Add a p2m_is_mmio macro for easy checkings.
> 
> Signed-off-by: Stefano Stabellini <stefanos@xilinx.com>

Acked-by: Julien Grall <julien.grall@arm.com>

Cheers,

> ---
>   xen/include/asm-arm/p2m.h | 6 ++++++
>   1 file changed, 6 insertions(+)
> 
> diff --git a/xen/include/asm-arm/p2m.h b/xen/include/asm-arm/p2m.h
> index 03f2ee75c1..31902317da 100644
> --- a/xen/include/asm-arm/p2m.h
> +++ b/xen/include/asm-arm/p2m.h
> @@ -132,6 +132,11 @@ typedef enum {
>   #define P2M_RAM_TYPES (p2m_to_mask(p2m_ram_rw) |        \
>                          p2m_to_mask(p2m_ram_ro))
>   
> +/* MMIO types */
> +#define P2M_MMIO_TYPES (p2m_to_mask(p2m_mmio_direct_dev) | \
> +                        p2m_to_mask(p2m_mmio_direct_nc)  | \
> +                        p2m_to_mask(p2m_mmio_direct_c))
> +
>   /* Grant mapping types, which map to a real frame in another VM */
>   #define P2M_GRANT_TYPES (p2m_to_mask(p2m_grant_map_rw) |  \
>                            p2m_to_mask(p2m_grant_map_ro))
> @@ -146,6 +151,7 @@ typedef enum {
>   #define p2m_is_any_ram(_t) (p2m_to_mask(_t) &                   \
>                               (P2M_RAM_TYPES | P2M_GRANT_TYPES |  \
>                                P2M_FOREIGN_TYPES))
> +#define p2m_is_mmio(_t) (p2m_to_mask(_t) & P2M_MMIO_TYPES)
>   
>   /* All common type definitions should live ahead of this inclusion. */
>   #ifdef _XEN_P2M_COMMON_H
>
diff mbox series

Patch

diff --git a/xen/include/asm-arm/p2m.h b/xen/include/asm-arm/p2m.h
index 03f2ee75c1..31902317da 100644
--- a/xen/include/asm-arm/p2m.h
+++ b/xen/include/asm-arm/p2m.h
@@ -132,6 +132,11 @@  typedef enum {
 #define P2M_RAM_TYPES (p2m_to_mask(p2m_ram_rw) |        \
                        p2m_to_mask(p2m_ram_ro))
 
+/* MMIO types */
+#define P2M_MMIO_TYPES (p2m_to_mask(p2m_mmio_direct_dev) | \
+                        p2m_to_mask(p2m_mmio_direct_nc)  | \
+                        p2m_to_mask(p2m_mmio_direct_c))
+
 /* Grant mapping types, which map to a real frame in another VM */
 #define P2M_GRANT_TYPES (p2m_to_mask(p2m_grant_map_rw) |  \
                          p2m_to_mask(p2m_grant_map_ro))
@@ -146,6 +151,7 @@  typedef enum {
 #define p2m_is_any_ram(_t) (p2m_to_mask(_t) &                   \
                             (P2M_RAM_TYPES | P2M_GRANT_TYPES |  \
                              P2M_FOREIGN_TYPES))
+#define p2m_is_mmio(_t) (p2m_to_mask(_t) & P2M_MMIO_TYPES)
 
 /* All common type definitions should live ahead of this inclusion. */
 #ifdef _XEN_P2M_COMMON_H