Commit fc05ea89 authored by Roger Pau Monne's avatar Roger Pau Monne Committed by Juergen Gross
Browse files

x86/xen: move xen_reserve_extra_memory()



In preparation for making the function static.

No functional change.

Signed-off-by: default avatarRoger Pau Monné <roger.pau@citrix.com>
Reviewed-by: default avatarJuergen Gross <jgross@suse.com>
Message-ID: <20240725073116.14626-2-roger.pau@citrix.com>
Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
parent 368990a7
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+48 −48
Original line number Diff line number Diff line
@@ -27,54 +27,6 @@
bool __ro_after_init xen_pvh;
EXPORT_SYMBOL_GPL(xen_pvh);

void __init xen_pvh_init(struct boot_params *boot_params)
{
	u32 msr;
	u64 pfn;

	xen_pvh = 1;
	xen_domain_type = XEN_HVM_DOMAIN;
	xen_start_flags = pvh_start_info.flags;

	msr = cpuid_ebx(xen_cpuid_base() + 2);
	pfn = __pa(hypercall_page);
	wrmsr_safe(msr, (u32)pfn, (u32)(pfn >> 32));

	if (xen_initial_domain())
		x86_init.oem.arch_setup = xen_add_preferred_consoles;
	x86_init.oem.banner = xen_banner;

	xen_efi_init(boot_params);

	if (xen_initial_domain()) {
		struct xen_platform_op op = {
			.cmd = XENPF_get_dom0_console,
		};
		int ret = HYPERVISOR_platform_op(&op);

		if (ret > 0)
			xen_init_vga(&op.u.dom0_console,
				     min(ret * sizeof(char),
					 sizeof(op.u.dom0_console)),
				     &boot_params->screen_info);
	}
}

void __init mem_map_via_hcall(struct boot_params *boot_params_p)
{
	struct xen_memory_map memmap;
	int rc;

	memmap.nr_entries = ARRAY_SIZE(boot_params_p->e820_table);
	set_xen_guest_handle(memmap.buffer, boot_params_p->e820_table);
	rc = HYPERVISOR_memory_op(XENMEM_memory_map, &memmap);
	if (rc) {
		xen_raw_printk("XENMEM_memory_map failed (%d)\n", rc);
		BUG();
	}
	boot_params_p->e820_entries = memmap.nr_entries;
}

/*
 * Reserve e820 UNUSABLE regions to inflate the memory balloon.
 *
@@ -141,3 +93,51 @@ void __init xen_reserve_extra_memory(struct boot_params *bootp)
		xen_add_extra_mem(PFN_UP(e->addr), pages);
	}
}

void __init xen_pvh_init(struct boot_params *boot_params)
{
	u32 msr;
	u64 pfn;

	xen_pvh = 1;
	xen_domain_type = XEN_HVM_DOMAIN;
	xen_start_flags = pvh_start_info.flags;

	msr = cpuid_ebx(xen_cpuid_base() + 2);
	pfn = __pa(hypercall_page);
	wrmsr_safe(msr, (u32)pfn, (u32)(pfn >> 32));

	if (xen_initial_domain())
		x86_init.oem.arch_setup = xen_add_preferred_consoles;
	x86_init.oem.banner = xen_banner;

	xen_efi_init(boot_params);

	if (xen_initial_domain()) {
		struct xen_platform_op op = {
			.cmd = XENPF_get_dom0_console,
		};
		int ret = HYPERVISOR_platform_op(&op);

		if (ret > 0)
			xen_init_vga(&op.u.dom0_console,
				     min(ret * sizeof(char),
					 sizeof(op.u.dom0_console)),
				     &boot_params->screen_info);
	}
}

void __init mem_map_via_hcall(struct boot_params *boot_params_p)
{
	struct xen_memory_map memmap;
	int rc;

	memmap.nr_entries = ARRAY_SIZE(boot_params_p->e820_table);
	set_xen_guest_handle(memmap.buffer, boot_params_p->e820_table);
	rc = HYPERVISOR_memory_op(XENMEM_memory_map, &memmap);
	if (rc) {
		xen_raw_printk("XENMEM_memory_map failed (%d)\n", rc);
		BUG();
	}
	boot_params_p->e820_entries = memmap.nr_entries;
}