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-rw-r--r--libkvm/kvm-common.h3
-rw-r--r--libkvm/libkvm-ia64.c25
-rw-r--r--libkvm/libkvm-powerpc.c14
-rw-r--r--libkvm/libkvm-s390.c14
-rw-r--r--libkvm/libkvm-x86.c91
-rw-r--r--libkvm/libkvm.c19
6 files changed, 5 insertions, 161 deletions
diff --git a/libkvm/kvm-common.h b/libkvm/kvm-common.h
index 7092085a..93cea1b7 100644
--- a/libkvm/kvm-common.h
+++ b/libkvm/kvm-common.h
@@ -78,9 +78,6 @@ void *kvm_create_kernel_phys_mem(kvm_context_t kvm, unsigned long phys_start,
int kvm_arch_create(kvm_context_t kvm, unsigned long phys_mem_bytes,
void **vm_mem);
-int kvm_arch_create_default_phys_mem(kvm_context_t kvm,
- unsigned long phys_mem_bytes,
- void **vm_mem);
int kvm_arch_run(struct kvm_run *run, kvm_context_t kvm, int vcpu);
diff --git a/libkvm/libkvm-ia64.c b/libkvm/libkvm-ia64.c
index f35a16c5..152d8fd4 100644
--- a/libkvm/libkvm-ia64.c
+++ b/libkvm/libkvm-ia64.c
@@ -33,31 +33,6 @@
#include <fcntl.h>
#include <stdlib.h>
-int kvm_arch_create_default_phys_mem(kvm_context_t kvm,
- unsigned long phys_mem_bytes,
- void **vm_mem)
-{
- int zfd;
-
- zfd = open("/dev/zero", O_RDONLY);
- if (zfd == -1) {
- perror("open /dev/zero");
- return -1;
- }
- mmap(*vm_mem + 0xa8000, 0x8000, PROT_READ|PROT_WRITE,
- MAP_PRIVATE|MAP_FIXED, zfd, 0);
- close(zfd);
-
- return 0;
-}
-
-
-int kvm_alloc_kernel_memory(kvm_context_t kvm, unsigned long memory,
- void **vm_mem)
-{
- return 0;
-}
-
void *kvm_create_kernel_phys_mem(kvm_context_t kvm, unsigned long phys_start,
unsigned long len, int log, int writable)
{
diff --git a/libkvm/libkvm-powerpc.c b/libkvm/libkvm-powerpc.c
index 376aca47..c523f26a 100644
--- a/libkvm/libkvm-powerpc.c
+++ b/libkvm/libkvm-powerpc.c
@@ -43,13 +43,6 @@ int handle_dcr(struct kvm_run *run, kvm_context_t kvm, int vcpu)
return ret;
}
-int kvm_alloc_kernel_memory(kvm_context_t kvm, unsigned long memory,
- void **vm_mem)
-{
- fprintf(stderr, "%s: Operation not supported\n", __FUNCTION__);
- return -1;
-}
-
void *kvm_create_kernel_phys_mem(kvm_context_t kvm, unsigned long phys_start,
unsigned long len, int log, int writable)
{
@@ -102,13 +95,6 @@ int kvm_arch_create(kvm_context_t kvm, unsigned long phys_mem_bytes,
return 0;
}
-int kvm_arch_create_default_phys_mem(kvm_context_t kvm,
- unsigned long phys_mem_bytes,
- void **vm_mem)
-{
- return 0;
-}
-
int kvm_arch_run(struct kvm_run *run, kvm_context_t kvm, int vcpu)
{
int ret = 0;
diff --git a/libkvm/libkvm-s390.c b/libkvm/libkvm-s390.c
index b3e4e92f..59c534fc 100644
--- a/libkvm/libkvm-s390.c
+++ b/libkvm/libkvm-s390.c
@@ -22,13 +22,6 @@
#include <stdio.h>
#include <inttypes.h>
-int kvm_alloc_kernel_memory(kvm_context_t kvm, unsigned long memory,
- void **vm_mem)
-{
- fprintf(stderr, "%s: Operation not supported\n", __FUNCTION__);
- return -1;
-}
-
void *kvm_create_kernel_phys_mem(kvm_context_t kvm, unsigned long phys_start,
unsigned long len, int log, int writable)
{
@@ -87,13 +80,6 @@ int kvm_arch_create(kvm_context_t kvm, unsigned long phys_mem_bytes,
return 0;
}
-int kvm_arch_create_default_phys_mem(kvm_context_t kvm,
- unsigned long phys_mem_bytes,
- void **vm_mem)
-{
- return 0;
-}
-
int kvm_arch_run(struct kvm_run *run, kvm_context_t kvm, int vcpu)
{
int ret = 0;
diff --git a/libkvm/libkvm-x86.c b/libkvm/libkvm-x86.c
index ea97bdd2..4ca3d7ba 100644
--- a/libkvm/libkvm-x86.c
+++ b/libkvm/libkvm-x86.c
@@ -13,79 +13,6 @@
#include <fcntl.h>
#include <stdlib.h>
-int kvm_alloc_kernel_memory(kvm_context_t kvm, unsigned long memory,
- void **vm_mem)
-{
- unsigned long dosmem = 0xa0000;
- unsigned long exmem = 0xc0000;
- unsigned long pcimem = 0xe0000000;
- int r;
- int tss_ext;
- struct kvm_memory_region low_memory = {
- .memory_size = memory < dosmem ? memory : dosmem,
- .guest_phys_addr = 0,
- };
- struct kvm_memory_region extended_memory = {
- .memory_size = memory < exmem ? 0 : memory - exmem,
- .guest_phys_addr = exmem,
- };
- struct kvm_memory_region above_4g_memory = {
- .memory_size = memory < pcimem ? 0 : memory - pcimem,
- .guest_phys_addr = 0x100000000ULL,
- };
-
-#ifdef KVM_CAP_SET_TSS_ADDR
- tss_ext = ioctl(kvm->fd, KVM_CHECK_EXTENSION, KVM_CAP_SET_TSS_ADDR);
-#else
- tss_ext = 0;
-#endif
-
- if (memory >= pcimem)
- extended_memory.memory_size = pcimem - exmem;
-
- /* 640K should be enough. */
- low_memory.slot = get_free_slot(kvm);
- r = ioctl(kvm->vm_fd, KVM_SET_MEMORY_REGION, &low_memory);
- if (r == -1) {
- fprintf(stderr, "kvm_create_memory_region: %m\n");
- return -1;
- }
- register_slot(low_memory.slot, low_memory.guest_phys_addr,
- low_memory.memory_size, 0, 0, 0);
-
-
- if (extended_memory.memory_size) {
- if (tss_ext > 0)
- extended_memory.slot = get_free_slot(kvm);
- else
- extended_memory.slot = 0;
- r = ioctl(kvm->vm_fd, KVM_SET_MEMORY_REGION, &extended_memory);
- if (r == -1) {
- fprintf(stderr, "kvm_create_memory_region: %m\n");
- return -1;
- }
- register_slot(extended_memory.slot,
- extended_memory.guest_phys_addr,
- extended_memory.memory_size, 0, 0, 0);
- }
-
- if (above_4g_memory.memory_size) {
- above_4g_memory.slot = get_free_slot(kvm);
- r = ioctl(kvm->vm_fd, KVM_SET_MEMORY_REGION, &above_4g_memory);
- if (r == -1) {
- fprintf(stderr, "kvm_create_memory_region: %m\n");
- return -1;
- }
- register_slot(above_4g_memory.slot,
- above_4g_memory.guest_phys_addr,
- above_4g_memory.memory_size, 0, 0, 0);
- }
-
- *vm_mem = mmap(NULL, memory, PROT_READ|PROT_WRITE, MAP_SHARED, kvm->vm_fd, 0);
-
- return 0;
-}
-
int kvm_set_tss_addr(kvm_context_t kvm, unsigned long addr)
{
#ifdef KVM_CAP_SET_TSS_ADDR
@@ -126,24 +53,6 @@ static int kvm_init_tss(kvm_context_t kvm)
return 0;
}
-int kvm_arch_create_default_phys_mem(kvm_context_t kvm,
- unsigned long phys_mem_bytes,
- void **vm_mem)
-{
- int zfd;
-
- zfd = open("/dev/zero", O_RDONLY);
- if (zfd == -1) {
- perror("open /dev/zero");
- return -1;
- }
- mmap(*vm_mem + 0xa8000, 0x8000, PROT_READ|PROT_WRITE,
- MAP_PRIVATE|MAP_FIXED, zfd, 0);
- close(zfd);
-
- return 0;
-}
-
int kvm_create_pit(kvm_context_t kvm)
{
#ifdef KVM_CAP_PIT
diff --git a/libkvm/libkvm.c b/libkvm/libkvm.c
index 250a821d..d0c65cbe 100644
--- a/libkvm/libkvm.c
+++ b/libkvm/libkvm.c
@@ -328,24 +328,15 @@ static int kvm_create_default_phys_mem(kvm_context_t kvm,
unsigned long phys_mem_bytes,
void **vm_mem)
{
- unsigned long memory = (phys_mem_bytes + PAGE_SIZE - 1) & PAGE_MASK;
- int r;
-
#ifdef KVM_CAP_USER_MEMORY
- r = ioctl(kvm->fd, KVM_CHECK_EXTENSION, KVM_CAP_USER_MEMORY);
+ int r = ioctl(kvm->fd, KVM_CHECK_EXTENSION, KVM_CAP_USER_MEMORY);
if (r > 0)
return 0;
- else
+ fprintf(stderr, "Hypervisor too old: KVM_CAP_USER_MEMORY extension not supported\n");
+#else
+#error Hypervisor too old: KVM_CAP_USER_MEMORY extension not supported
#endif
- r = kvm_alloc_kernel_memory(kvm, memory, vm_mem);
- if (r < 0)
- return r;
-
- r = kvm_arch_create_default_phys_mem(kvm, phys_mem_bytes, vm_mem);
- if (r < 0)
- return r;
-
- return 0;
+ return -1;
}
int kvm_check_extension(kvm_context_t kvm, int ext)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-18 02:23:23 +0000