/* SPDX-License-Identifier: GPL-2.0 *//* * Type definitions for the Microsoft Hypervisor. */#ifndef _HV_HVGDK_EXT_H#define _HV_HVGDK_EXT_H #include "hvgdk_mini.h" /* Extended hypercalls */#define HV_EXT_CALL_QUERY_CAPABILITIES		0x8001#define HV_EXT_CALL_MEMORY_HEAT_HINT		0x8003 /* Extended hypercalls */enum {		/* HV_EXT_CALL */	HV_EXTCALL_QUERY_CAPABILITIES = 0x8001,	HV_EXTCALL_MEMORY_HEAT_HINT   = 0x8003,}; /* HV_EXT_OUTPUT_QUERY_CAPABILITIES */#define HV_EXT_CAPABILITY_MEMORY_COLD_DISCARD_HINT BIT(8) enum {		/* HV_EXT_MEMORY_HEAT_HINT_TYPE */	HV_EXTMEM_HEAT_HINT_COLD = 0,	HV_EXTMEM_HEAT_HINT_HOT = 1,	HV_EXTMEM_HEAT_HINT_COLD_DISCARD = 2,	HV_EXTMEM_HEAT_HINT_MAX}; /* * The whole argument should fit in a page to be able to pass to the hypervisor * in one hypercall. */#define HV_MEMORY_HINT_MAX_GPA_PAGE_RANGES  \	((HV_HYP_PAGE_SIZE - sizeof(struct hv_memory_hint)) / \		sizeof(union hv_gpa_page_range)) /* HvExtCallMemoryHeatHint hypercall */#define HV_EXT_MEMORY_HEAT_HINT_TYPE_COLD_DISCARD	2struct hv_memory_hint {		/* HV_EXT_INPUT_MEMORY_HEAT_HINT */	u64 heat_type : 2;	/* HV_EXTMEM_HEAT_HINT_* */	u64 reserved : 62;	union hv_gpa_page_range ranges[];} __packed; #endif /* _HV_HVGDK_EXT_H */