Re: [PATCH v1 1/4] powerpc/pseries: hvcall.h: add H_WATCHDOG opcode, H_NOOP return code

[Guenter Roeck <linux@roeck-us.net>]

On 5/20/22 10:20, Scott Cheloha wrote:
> PAPR v2.12 defines a new hypercall, H_WATCHDOG.  The hypercall permits
> guest control of one or more virtual watchdog timers.
> 
> Add the opcode for the H_WATCHDOG hypercall to hvcall.h.  While here,
> add a definition for H_NOOP, a possible return code for H_WATCHDOG.
> 
> Signed-off-by: Scott Cheloha <cheloha@linux.ibm.com>

Please provide a change log against the earlier RFC series.

Thanks,
Guenter

> ---
>   arch/powerpc/include/asm/hvcall.h | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
> index d92a20a85395..4b4f69c35b4f 100644
> --- a/arch/powerpc/include/asm/hvcall.h
> +++ b/arch/powerpc/include/asm/hvcall.h
> @@ -87,6 +87,7 @@
>   #define H_P7		-60
>   #define H_P8		-61
>   #define H_P9		-62
> +#define H_NOOP		-63
>   #define H_TOO_BIG	-64
>   #define H_UNSUPPORTED	-67
>   #define H_OVERLAP	-68
> @@ -324,7 +325,8 @@
>   #define H_RPT_INVALIDATE	0x448
>   #define H_SCM_FLUSH		0x44C
>   #define H_GET_ENERGY_SCALE_INFO	0x450
> -#define MAX_HCALL_OPCODE	H_GET_ENERGY_SCALE_INFO
> +#define H_WATCHDOG		0x45C
> +#define MAX_HCALL_OPCODE	H_WATCHDOG
>   
>   /* Scope args for H_SCM_UNBIND_ALL */
>   #define H_UNBIND_SCOPE_ALL (0x1)