[PATCH V4 3/5] mshv: Import data structs around device domains from hyperv headers

[Mukesh R]

Copy/import from Hyper-V public headers, definitions and hypercalls that
are related to checking for device domain availibility, and mapping and
unmapping of device pages.

Signed-off-by: Mukesh R <mrathor@xxxxxxxxxxxxxxxxxxx>
Reviewed-by: Easwar Hariharan <easwar.hariharan@xxxxxxxxxxxxxxxxxxx>
---
 include/hyperv/hvgdk_mini.h |  4 ++++
 include/hyperv/hvhdk_mini.h | 15 +++++++++++++++
 2 files changed, 19 insertions(+)

diff --git a/include/hyperv/hvgdk_mini.h b/include/hyperv/hvgdk_mini.h
index 966945f0504f..606b16f43e16 100644
--- a/include/hyperv/hvgdk_mini.h
+++ b/include/hyperv/hvgdk_mini.h
@@ -327,6 +327,8 @@ union hv_hypervisor_version_info {
 /* stimer Direct Mode is available */
 #define HV_STIMER_DIRECT_MODE_AVAILABLE			BIT(19)
 
+#define HV_DEVICE_DOMAIN_AVAILABLE			BIT(24)
+
 /*
  * Implementation recommendations. Indicates which behaviors the hypervisor
  * recommends the OS implement for optimal performance.
@@ -489,6 +491,8 @@ union hv_vp_assist_msr_contents {	 /* HV_REGISTER_VP_ASSIST_PAGE */
 #define HVCALL_FLUSH_GUEST_PHYSICAL_ADDRESS_LIST	0x00b0
 #define HVCALL_CREATE_DEVICE_DOMAIN			0x00b1
 #define HVCALL_ATTACH_DEVICE_DOMAIN			0x00b2
+#define HVCALL_MAP_DEVICE_GPA_PAGES			0x00b3
+#define HVCALL_UNMAP_DEVICE_GPA_PAGES			0x00b4
 #define HVCALL_SIGNAL_EVENT_DIRECT			0x00c0
 #define HVCALL_POST_MESSAGE_DIRECT			0x00c1
 #define HVCALL_DISPATCH_VP				0x00c2
diff --git a/include/hyperv/hvhdk_mini.h b/include/hyperv/hvhdk_mini.h
index 57b70efe60d4..bb42b81df848 100644
--- a/include/hyperv/hvhdk_mini.h
+++ b/include/hyperv/hvhdk_mini.h
@@ -549,6 +549,7 @@ union hv_device_id {		/* HV_DEVICE_ID */
 } __packed;
 
 /* Device domain types */
+#define HV_DEVICE_DOMAIN_TYPE_S2	0 /* HV_DEVICE_DOMAIN_ID_TYPE_S2 */
 #define HV_DEVICE_DOMAIN_TYPE_S1	1 /* HV_DEVICE_DOMAIN_ID_TYPE_S1 */
 
 /* ID for default domain and NULL domain */
@@ -657,6 +658,20 @@ struct hv_output_get_iommu_capabilities {
 	u64 pgsize_bitmap;
 } __packed;
 
+struct hv_input_map_device_gpa_pages { /* HV_INPUT_MAP_DEVICE_GPA_PAGES */
+	struct hv_input_device_domain device_domain;
+	union hv_input_vtl target_vtl;
+	u8 padding[3];
+	u32 map_flags;
+	u64 target_device_va_base;
+	u64 gpa_page_list[];
+} __packed;
+
+struct hv_input_unmap_device_gpa_pages {  /* HV_INPUT_UNMAP_DEVICE_GPA_PAGES */
+	struct hv_input_device_domain device_domain;
+	u64 target_device_va_base;
+} __packed;
+
 /* HV_LOGICAL_DEVICE_PROPERTY_CODE */
 enum hv_logical_device_property_code {
 	HV_LOGICAL_DEVICE_PROPERTY_PVIOMMU = 10,
-- 
2.51.2.vfs.0.1