hv: mod: do not use explicit arch name when including headers

Instead of "#include <x86/foo.h>", use "#include <asm/foo.h>".

In other words, we are adopting the same practice in Linux kernel.

Tracked-On: #5920
Signed-off-by: Liang Yi <yi.liang@intel.com>
Reviewed-by: Jason Chen CJ <jason.cj.chen@intel.com>

hypervisor/include/arch/x86/asm/page.h

@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2018 Intel Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef PAGE_H
+#define PAGE_H
+
+#include <asm/lib/spinlock.h>
+
+#define PAGE_SHIFT	12U
+#define PAGE_SIZE	(1U << PAGE_SHIFT)
+#define PAGE_MASK	0xFFFFFFFFFFFFF000UL
+
+#define MAXIMUM_PA_WIDTH	46U	/* maximum physical-address width */
+#define MAX_PHY_ADDRESS_SPACE	(1UL << MAXIMUM_PA_WIDTH)
+
+/* size of the low MMIO address space: 2GB */
+#define PLATFORM_LO_MMIO_SIZE	0x80000000UL
+
+/* size of the high MMIO address space: 1GB */
+#define PLATFORM_HI_MMIO_SIZE	0x40000000UL
+
+#define PML4_PAGE_NUM(size)	1UL
+#define PDPT_PAGE_NUM(size)	(((size) + PML4E_SIZE - 1UL) >> PML4E_SHIFT)
+#define PD_PAGE_NUM(size)	(((size) + PDPTE_SIZE - 1UL) >> PDPTE_SHIFT)
+#define PT_PAGE_NUM(size)	(((size) + PDE_SIZE - 1UL) >> PDE_SHIFT)
+
+
+struct page {
+	uint8_t contents[PAGE_SIZE];
+} __aligned(PAGE_SIZE);
+
+struct page_pool {
+	struct page *start_page;
+	spinlock_t lock;
+	uint64_t bitmap_size;
+	uint64_t *bitmap;
+	uint64_t last_hint_id;
+
+	struct page *dummy_page;
+};
+
+struct page *alloc_page(struct page_pool *pool);
+void free_page(struct page_pool *pool, struct page *page);
+#endif /* PAGE_H */