Re: [Xen-devel] [PATCH V13 8/9] Introduce apic-msidef.h

["Michael S. Tsirkin" <mst@xxxxxxxxxx>]

On Thu, Jun 14, 2012 at 06:01:48PM +0100, Anthony PERARD wrote:
> This patch move the msi definition from apic.c to apic-msidef.h. So it can be
> used also by other .c files.
> 
> Signed-off-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

Acked-by: Michael S. Tsirkin <mst@xxxxxxxxxx>

> ---
>  hw/apic-msidef.h |   30 ++++++++++++++++++++++++++++++
>  hw/apic.c        |   11 +----------
>  2 files changed, 31 insertions(+), 10 deletions(-)
>  create mode 100644 hw/apic-msidef.h
> 
> diff --git a/hw/apic-msidef.h b/hw/apic-msidef.h
> new file mode 100644
> index 0000000..6e2eb71
> --- /dev/null
> +++ b/hw/apic-msidef.h
> @@ -0,0 +1,30 @@
> +#ifndef HW_APIC_MSIDEF_H
> +#define HW_APIC_MSIDEF_H
> +
> +/*
> + * Intel APIC constants: from include/asm/msidef.h
> + */
> +
> +/*
> + * Shifts for MSI data
> + */
> +
> +#define MSI_DATA_VECTOR_SHIFT           0
> +#define  MSI_DATA_VECTOR_MASK           0x000000ff
> +
> +#define MSI_DATA_DELIVERY_MODE_SHIFT    8
> +#define MSI_DATA_LEVEL_SHIFT            14
> +#define MSI_DATA_TRIGGER_SHIFT          15
> +
> +/*
> + * Shift/mask fields for msi address
> + */
> +
> +#define MSI_ADDR_DEST_MODE_SHIFT        2
> +
> +#define MSI_ADDR_REDIRECTION_SHIFT      3
> +
> +#define MSI_ADDR_DEST_ID_SHIFT          12
> +#define  MSI_ADDR_DEST_ID_MASK          0x00ffff0
> +
> +#endif /* HW_APIC_MSIDEF_H */
> diff --git a/hw/apic.c b/hw/apic.c
> index 5fbf01c..60552df 100644
> --- a/hw/apic.c
> +++ b/hw/apic.c
> @@ -23,19 +23,10 @@
>  #include "host-utils.h"
>  #include "trace.h"
>  #include "pc.h"
> +#include "apic-msidef.h"
>  
>  #define MAX_APIC_WORDS 8
>  
> -/* Intel APIC constants: from include/asm/msidef.h */
> -#define MSI_DATA_VECTOR_SHIFT                0
> -#define MSI_DATA_VECTOR_MASK         0x000000ff
> -#define MSI_DATA_DELIVERY_MODE_SHIFT 8
> -#define MSI_DATA_TRIGGER_SHIFT               15
> -#define MSI_DATA_LEVEL_SHIFT         14
> -#define MSI_ADDR_DEST_MODE_SHIFT     2
> -#define MSI_ADDR_DEST_ID_SHIFT               12
> -#define      MSI_ADDR_DEST_ID_MASK           0x00ffff0
> -
>  #define SYNC_FROM_VAPIC                 0x1
>  #define SYNC_TO_VAPIC                   0x2
>  #define SYNC_ISR_IRR_TO_VAPIC           0x4
> -- 
> Anthony PERARD

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