[Qemu-devel] [PATCH 05/14] Change cpu_phys mem callback to use [offset, size) bounds instead of [start, end).

[Zachary Amsden <zamsden@redhat.com>]

Signed-off-by: Zachary Amsden <zamsden@redhat.com>
---
 cpu-all.h        |    2 +-
 exec.c           |    4 ++--
 hw/cirrus_vga.c  |   11 ++++++-----
 hw/framebuffer.c |    2 +-
 hw/vga.c         |   12 ++++++------
 hw/vga_int.h     |    2 +-
 kvm-all.c        |    4 ++--
 7 files changed, 19 insertions(+), 18 deletions(-)

diff --git a/cpu-all.h b/cpu-all.h
index 97a224d..43bbf18 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@ -907,7 +907,7 @@ int cpu_physical_memory_set_dirty_tracking(int enable);
 int cpu_physical_memory_get_dirty_tracking(void);
 
 int cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
-                                   target_phys_addr_t end_addr);
+                                   ram_addr_t size);
 
 void dump_exec_info(FILE *f,
                     int (*cpu_fprintf)(FILE *f, const char *fmt, ...));
diff --git a/exec.c b/exec.c
index 688f603..f8bfcd4 100644
--- a/exec.c
+++ b/exec.c
@@ -1921,12 +1921,12 @@ int cpu_physical_memory_get_dirty_tracking(void)
 }
 
 int cpu_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
-                                   target_phys_addr_t end_addr)
+                                   ram_addr_t size)
 {
     int ret = 0;
 
     if (kvm_enabled())
-        ret = kvm_physical_sync_dirty_bitmap(start_addr, end_addr);
+        ret = kvm_physical_sync_dirty_bitmap(start_addr, size);
     return ret;
 }
 
diff --git a/hw/cirrus_vga.c b/hw/cirrus_vga.c
index 0a12782..2287e94 100644
--- a/hw/cirrus_vga.c
+++ b/hw/cirrus_vga.c
@@ -1220,7 +1220,7 @@ static void cirrus_update_bank_ptr(CirrusVGAState * s, unsigned bank_index)
          * on the current location, otherwise we lose this pointer forever */
         if (s->vga.lfb_vram_mapped) {
             target_phys_addr_t base_addr = isa_mem_base + 0xa0000 + bank_index * 0x8000;
-            cpu_physical_sync_dirty_bitmap(base_addr, base_addr + 0x8000);
+            cpu_physical_sync_dirty_bitmap(base_addr, 0x8000);
         }
 	s->cirrus_bank_base[bank_index] = offset;
 	s->cirrus_bank_limit[bank_index] = limit;
@@ -2588,8 +2588,9 @@ static void map_linear_vram(CirrusVGAState *s)
 {
     if (!s->vga.map_addr && s->vga.lfb_addr && s->vga.lfb_end) {
         s->vga.map_addr = s->vga.lfb_addr;
-        s->vga.map_end = s->vga.lfb_end;
-        cpu_register_physical_memory(s->vga.map_addr, s->vga.map_end - s->vga.map_addr, s->vga.vram_offset);
+        s->vga.map_size = s->vga.lfb_end - s->vga.lfb_addr;
+        cpu_register_physical_memory(s->vga.map_addr, s->vga.map_size,
+                                     s->vga.vram_offset);
     }
 
     if (!s->vga.map_addr)
@@ -2620,7 +2621,7 @@ static void map_linear_vram(CirrusVGAState *s)
 static void unmap_linear_vram(CirrusVGAState *s)
 {
     if (s->vga.map_addr && s->vga.lfb_addr && s->vga.lfb_end)
-        s->vga.map_addr = s->vga.map_end = 0;
+        s->vga.map_addr = s->vga.map_size = 0;
 
     cpu_register_physical_memory(isa_mem_base + 0xa0000, 0x20000,
                                  s->vga.vga_io_memory);
@@ -3270,7 +3271,7 @@ static void cirrus_pci_lfb_map(PCIDevice *d, int region_num,
     cpu_register_physical_memory(addr + 0x1000000, 0x400000,
 				 s->cirrus_linear_bitblt_io_addr);
 
-    s->vga.map_addr = s->vga.map_end = 0;
+    s->vga.map_addr = s->vga.map_size = 0;
     s->vga.lfb_addr = addr & TARGET_PAGE_MASK;
     s->vga.lfb_end = ((addr + VGA_RAM_SIZE) + TARGET_PAGE_SIZE - 1) & TARGET_PAGE_MASK;
     /* account for overflow */
diff --git a/hw/framebuffer.c b/hw/framebuffer.c
index 24cdf25..f8efe5b 100644
--- a/hw/framebuffer.c
+++ b/hw/framebuffer.c
@@ -49,7 +49,7 @@ void framebuffer_update_display(
     *first_row = -1;
     src_len = src_width * rows;
 
-    cpu_physical_sync_dirty_bitmap(base, base + src_len);
+    cpu_physical_sync_dirty_bitmap(base, src_len);
     pd = cpu_get_physical_page_desc(base);
     pd2 = cpu_get_physical_page_desc(base + src_len - 1);
     /* We should reall check that this is a continuous ram region.
diff --git a/hw/vga.c b/hw/vga.c
index 134ad16..ca94a68 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -1571,11 +1571,11 @@ void vga_invalidate_scanlines(VGAState *s, int y1, int y2)
 static void vga_sync_dirty_bitmap(VGAState *s)
 {
     if (s->map_addr)
-        cpu_physical_sync_dirty_bitmap(s->map_addr, s->map_end);
+        cpu_physical_sync_dirty_bitmap(s->map_addr, s->map_size);
 
     if (s->lfb_vram_mapped) {
-        cpu_physical_sync_dirty_bitmap(isa_mem_base + 0xa0000, 0xa8000);
-        cpu_physical_sync_dirty_bitmap(isa_mem_base + 0xa8000, 0xb0000);
+        cpu_physical_sync_dirty_bitmap(isa_mem_base + 0xa0000, 0x8000);
+        cpu_physical_sync_dirty_bitmap(isa_mem_base + 0xa8000, 0x8000);
     }
 }
 
@@ -1878,7 +1878,7 @@ void vga_reset(void *opaque)
     s->lfb_addr = 0;
     s->lfb_end = 0;
     s->map_addr = 0;
-    s->map_end = 0;
+    s->map_size = 0;
     s->lfb_vram_mapped = 0;
     s->bios_offset = 0;
     s->bios_size = 0;
@@ -2227,7 +2227,7 @@ typedef struct PCIVGAState {
 void vga_dirty_log_start(VGAState *s)
 {
     if (kvm_enabled() && s->map_addr)
-        kvm_log_start(s->map_addr, s->map_end - s->map_addr);
+        kvm_log_start(s->map_addr, s->map_size);
 
     if (kvm_enabled() && s->lfb_vram_mapped) {
         kvm_log_start(isa_mem_base + 0xa0000, 0x8000);
@@ -2245,7 +2245,7 @@ static void vga_map(PCIDevice *pci_dev, int region_num,
     } else {
         cpu_register_physical_memory(addr, s->vram_size, s->vram_offset);
         s->map_addr = addr;
-        s->map_end = addr + s->vram_size;
+        s->map_size = s->vram_size;
         vga_dirty_log_start(s);
     }
 }
diff --git a/hw/vga_int.h b/hw/vga_int.h
index 631b1b0..83b69ef 100644
--- a/hw/vga_int.h
+++ b/hw/vga_int.h
@@ -105,7 +105,7 @@ typedef struct VGACommonState {
     uint32_t lfb_addr;
     uint32_t lfb_end;
     uint32_t map_addr;
-    uint32_t map_end;
+    uint32_t map_size;
     uint32_t lfb_vram_mapped; /* whether 0xa0000 is mapped as ram */
     unsigned long bios_offset;
     unsigned int bios_size;
diff --git a/kvm-all.c b/kvm-all.c
index d843338..2a48b63 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -294,11 +294,11 @@ int kvm_set_migration_log(int enable)
  * @end_addr: end of logged region.
  */
 int kvm_physical_sync_dirty_bitmap(target_phys_addr_t start_addr,
-                                   target_phys_addr_t end_addr)
+                                   ram_addr_t dirty_size)
 {
     KVMState *s = kvm_state;
     unsigned long size, allocated_size = 0;
-    target_phys_addr_t phys_addr;
+    target_phys_addr_t phys_addr, end_addr = start_addr + dirty_size;
     ram_addr_t addr;
     KVMDirtyLog d;
     KVMSlot *mem;
-- 
1.6.2.5