[kvmtool,11/15] Introduce kvm__arch_default_ram_address()

Commit Message

Alexandru Elisei April 28, 2022, 3:55 p.m. UTC

Add a new function, kvm__arch_default_ram_address(), which returns the
default address for guest RAM for each architecture.

Signed-off-by: Alexandru Elisei <[e-mail]>
---
 arm/aarch32/kvm.c | 5 +++++
 arm/aarch64/kvm.c | 5 +++++
 include/kvm/kvm.h | 1 +
 mips/kvm.c        | 5 +++++
 powerpc/kvm.c     | 5 +++++
 riscv/kvm.c       | 5 +++++
 x86/kvm.c         | 5 +++++
 7 files changed, 31 insertions(+)

Patch

diff --git a/arm/aarch32/kvm.c b/arm/aarch32/kvm.c
index 9d68d7a15ee2..768a56bbb5b4 100644
--- a/arm/aarch32/kvm.c
+++ b/arm/aarch32/kvm.c
@@ -7,3 +7,8 @@  void kvm__arch_validate_cfg(struct kvm *kvm)
 		    kvm->cfg.ram_size, ARM_LOMAP_MAX_MEMORY);
 	}
 }
+
+u64 kvm__arch_default_ram_address(void)
+{
+	return ARM_MEMORY_AREA;
+}
diff --git a/arm/aarch64/kvm.c b/arm/aarch64/kvm.c
index 73b2c5970f28..c52243b1f67f 100644
--- a/arm/aarch64/kvm.c
+++ b/arm/aarch64/kvm.c
@@ -5,6 +5,11 @@ 
 #include <linux/byteorder.h>
 #include <kvm/util.h>
 
+u64 kvm__arch_default_ram_address(void)
+{
+	return ARM_MEMORY_AREA;
+}
+
 void kvm__arch_validate_cfg(struct kvm *kvm)
 {
 	if (kvm->cfg.arch.aarch32_guest &&
diff --git a/include/kvm/kvm.h b/include/kvm/kvm.h
index 640b76c095f9..360430b78b1e 100644
--- a/include/kvm/kvm.h
+++ b/include/kvm/kvm.h
@@ -190,6 +190,7 @@  void kvm__remove_socket(const char *name);
 void kvm__arch_validate_cfg(struct kvm *kvm);
 void kvm__arch_set_cmdline(char *cmdline, bool video);
 void kvm__arch_init(struct kvm *kvm);
+u64 kvm__arch_default_ram_address(void);
 void kvm__arch_delete_ram(struct kvm *kvm);
 int kvm__arch_setup_firmware(struct kvm *kvm);
 int kvm__arch_free_firmware(struct kvm *kvm);
diff --git a/mips/kvm.c b/mips/kvm.c
index d8610cf81b94..4cbc9907731b 100644
--- a/mips/kvm.c
+++ b/mips/kvm.c
@@ -12,6 +12,11 @@  struct kvm_ext kvm_req_ext[] = {
 	{ 0, 0 }
 };
 
+u64 kvm__arch_default_ram_address(void)
+{
+	return 0;
+}
+
 void kvm__arch_validate_cfg(struct kvm *kvm)
 {
 }
diff --git a/powerpc/kvm.c b/powerpc/kvm.c
index d281b070fd0e..7b0d0669aff4 100644
--- a/powerpc/kvm.c
+++ b/powerpc/kvm.c
@@ -48,6 +48,11 @@  struct kvm_ext kvm_req_ext[] = {
 	{ 0, 0 }
 };
 
+u64 kvm__arch_default_ram_address(void)
+{
+	return 0;
+}
+
 void kvm__arch_validate_cfg(struct kvm *kvm)
 {
 }
diff --git a/riscv/kvm.c b/riscv/kvm.c
index c46660772aa0..4d6f5cb57ac8 100644
--- a/riscv/kvm.c
+++ b/riscv/kvm.c
@@ -13,6 +13,11 @@  struct kvm_ext kvm_req_ext[] = {
 	{ 0, 0 },
 };
 
+u64 kvm__arch_default_ram_address(void)
+{
+	return RISCV_RAM;
+}
+
 void kvm__arch_validate_cfg(struct kvm *kvm)
 {
 }
diff --git a/x86/kvm.c b/x86/kvm.c
index 24b0305a1841..328fa7500596 100644
--- a/x86/kvm.c
+++ b/x86/kvm.c
@@ -35,6 +35,11 @@  struct kvm_ext kvm_req_ext[] = {
 	{ 0, 0 }
 };
 
+u64 kvm__arch_default_ram_address(void)
+{
+	return 0;
+}
+
 void kvm__arch_validate_cfg(struct kvm *kvm)
 {
 }