Re: [PATCH v2 4/9] KVM: s390: pv: Add dump support definitions

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On Thu, 10 Mar 2022 10:31:07 +0000
Janosch Frank <frankja@xxxxxxxxxxxxx> wrote:

> Lets add the constants and structure definitions needed for the dump
> support.
> 
> Signed-off-by: Janosch Frank <frankja@xxxxxxxxxxxxx>

Reviewed-by: Claudio Imbrenda <imbrenda@xxxxxxxxxxxxx>

> ---
>  arch/s390/include/asm/uv.h | 33 +++++++++++++++++++++++++++++++++
>  1 file changed, 33 insertions(+)
> 
> diff --git a/arch/s390/include/asm/uv.h b/arch/s390/include/asm/uv.h
> index a774267e9a12..a69f672daa1f 100644
> --- a/arch/s390/include/asm/uv.h
> +++ b/arch/s390/include/asm/uv.h
> @@ -50,6 +50,10 @@
>  #define UVC_CMD_SET_UNSHARE_ALL		0x0340
>  #define UVC_CMD_PIN_PAGE_SHARED		0x0341
>  #define UVC_CMD_UNPIN_PAGE_SHARED	0x0342
> +#define UVC_CMD_DUMP_INIT		0x0400
> +#define UVC_CMD_DUMP_CONF_STOR_STATE	0x0401
> +#define UVC_CMD_DUMP_CPU		0x0402
> +#define UVC_CMD_DUMP_COMPLETE		0x0403
>  #define UVC_CMD_SET_SHARED_ACCESS	0x1000
>  #define UVC_CMD_REMOVE_SHARED_ACCESS	0x1001
>  
> @@ -76,6 +80,10 @@ enum uv_cmds_inst {
>  	BIT_UVC_CMD_UNSHARE_ALL = 20,
>  	BIT_UVC_CMD_PIN_PAGE_SHARED = 21,
>  	BIT_UVC_CMD_UNPIN_PAGE_SHARED = 22,
> +	BIT_UVC_CMD_DUMP_INIT = 24,
> +	BIT_UVC_CMD_DUMP_CONFIG_STOR_STATE = 25,
> +	BIT_UVC_CMD_DUMP_CPU = 26,
> +	BIT_UVC_CMD_DUMP_COMPLETE = 27,
>  };
>  
>  enum uv_feat_ind {
> @@ -225,6 +233,31 @@ struct uv_cb_share {
>  	u64 reserved28;
>  } __packed __aligned(8);
>  
> +struct uv_cb_dump_cpu {
> +	struct uv_cb_header header;
> +	u64 reserved08[2];
> +	u64 cpu_handle;
> +	u64 dump_area_origin;
> +	u64 reserved28[5];
> +} __packed __aligned(8);
> +
> +struct uv_cb_dump_stor_state {
> +	struct uv_cb_header header;
> +	u64 reserved08[2];
> +	u64 config_handle;
> +	u64 dump_area_origin;
> +	u64 gaddr;
> +	u64 reserved28[4];
> +} __packed __aligned(8);
> +
> +struct uv_cb_dump_complete {
> +	struct uv_cb_header header;
> +	u64 reserved08[2];
> +	u64 config_handle;
> +	u64 dump_area_origin;
> +	u64 reserved30[5];
> +} __packed __aligned(8);
> +
>  static inline int __uv_call(unsigned long r1, unsigned long r2)
>  {
>  	int cc;




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