KVM: s390: pv: Add dump support definitions

Let's add the constants and structure definitions needed for the dump
support.

Signed-off-by: Janosch Frank <[e-mail]>
Reviewed-by: Claudio Imbrenda <[e-mail]>
Reviewed-by: Steffen Eiden <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Message-Id: <[e-mail]>
Signed-off-by: Christian Borntraeger <[e-mail]>

arch/s390/include/asm/uv.h

···
 #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
 #define UVC_CMD_RETR_ATTEST		0x1020
···
 	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,
 	BIT_UVC_CMD_RETR_ATTEST = 28,
 };
 
···
 	u32 add_data_len;		/* 0x015c */
 	u64 add_data_addr;		/* 0x0160 */
 	u64 reserved168[4];		/* 0x0168 */
+} __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)