hyperv: Move arch/x86/hyperv/hv_proc.c to drivers/hv

These helpers are not specific to x86_64 and will be needed by common code.
Remove some unnecessary #includes.

Reviewed-by: Michael Kelley <[e-mail]>
Signed-off-by: Nuno Das Neves <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Wei Liu <[e-mail]>
Message-ID: <[e-mail]>

arch/x86/hyperv/Makefile

···
 # SPDX-License-Identifier: GPL-2.0-only
 obj-y			:= hv_init.o mmu.o nested.o irqdomain.o ivm.o
-obj-$(CONFIG_X86_64)	+= hv_apic.o hv_proc.o
+obj-$(CONFIG_X86_64)	+= hv_apic.o
 obj-$(CONFIG_HYPERV_VTL_MODE)	+= hv_vtl.o
 
 ifdef CONFIG_X86_64

arch/x86/hyperv/hv_proc.c drivers/hv/hv_proc.c

···
 #include <linux/slab.h>
 #include <linux/cpuhotplug.h>
 #include <linux/minmax.h>
-#include <asm/hypervisor.h>
 #include <asm/mshyperv.h>
-#include <asm/apic.h>
-
-#include <asm/trace/hyperv.h>
 
 /*
  * See struct hv_deposit_memory. The first u64 is partition ID, the rest

arch/x86/include/asm/mshyperv.h

···
 #define HV_AP_INIT_GPAT_DEFAULT		0x0007040600070406ULL
 #define HV_AP_SEGMENT_LIMIT		0xffffffff
 
-int hv_call_deposit_pages(int node, u64 partition_id, u32 num_pages);
-int hv_call_add_logical_proc(int node, u32 lp_index, u32 acpi_id);
-int hv_call_create_vp(int node, u64 partition_id, u32 vp_index, u32 flags);
-
 /*
  * If the hypercall involves no input or output parameters, the hypervisor
  * ignores the corresponding GPA pointer.

drivers/hv/Makefile

···
 hv_utils-y := hv_util.o hv_kvp.o hv_snapshot.o hv_utils_transport.o
 
 # Code that must be built-in
-obj-$(subst m,y,$(CONFIG_HYPERV)) += hv_common.o
+obj-$(subst m,y,$(CONFIG_HYPERV)) += hv_common.o hv_proc.o

include/asm-generic/mshyperv.h

···
 void *hv_alloc_hyperv_zeroed_page(void);
 void hv_free_hyperv_page(void *addr);
 
+int hv_call_deposit_pages(int node, u64 partition_id, u32 num_pages);
+int hv_call_add_logical_proc(int node, u32 lp_index, u32 acpi_id);
+int hv_call_create_vp(int node, u64 partition_id, u32 vp_index, u32 flags);
+
 /**
  * hv_cpu_number_to_vp_number() - Map CPU to VP.
  * @cpu_number: CPU number in Linux terms