[Qemu-devel] [PATCH 21/25] vga: Convert to isa_register_portio_list

[Avi Kivity <avi@redhat.com>]

From: Richard Henderson <rth@twiddle.net>

[jan: fix cut'n'paste errors]
[avi: adjust pci variants not to use isa functions]

Signed-off-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
---
 hw/qxl.c        |    2 +-
 hw/vga-isa.c    |   17 ++++--------
 hw/vga-pci.c    |    2 +-
 hw/vga.c        |   73 +++++++++++++++++++++++++++++++-----------------------
 hw/vga_int.h    |    7 ++++-
 hw/vmware_vga.c |    7 +++--
 6 files changed, 59 insertions(+), 49 deletions(-)

diff --git a/hw/qxl.c b/hw/qxl.c
index 6db2f1a..03848ed 100644
--- a/hw/qxl.c
+++ b/hw/qxl.c
@@ -1601,7 +1601,7 @@ static int qxl_init_primary(PCIDevice *dev)
         ram_size = 32 * 1024 * 1024;
     }
     vga_common_init(vga, ram_size);
-    vga_init(vga, pci_address_space(dev));
+    vga_init(vga, pci_address_space(dev), pci_address_space_io(dev), false);
     register_ioport_write(0x3c0, 16, 1, qxl_vga_ioport_write, vga);
     register_ioport_write(0x3b4,  2, 1, qxl_vga_ioport_write, vga);
     register_ioport_write(0x3d4,  2, 1, qxl_vga_ioport_write, vga);
diff --git a/hw/vga-isa.c b/hw/vga-isa.c
index 6b5c8ed..4825313 100644
--- a/hw/vga-isa.c
+++ b/hw/vga-isa.c
@@ -47,24 +47,19 @@ static int vga_initfn(ISADevice *dev)
     ISAVGAState *d = DO_UPCAST(ISAVGAState, dev, dev);
     VGACommonState *s = &d->state;
     MemoryRegion *vga_io_memory;
+    const MemoryRegionPortio *vga_ports, *vbe_ports;
 
     vga_common_init(s, VGA_RAM_SIZE);
     s->legacy_address_space = isa_address_space(dev);
-    vga_io_memory = vga_init_io(s);
+    vga_io_memory = vga_init_io(s, &vga_ports, &vbe_ports);
+    isa_register_portio_list(dev, 0x3b0, vga_ports, s, "vga");
+    if (vbe_ports) {
+        isa_register_portio_list(dev, 0x1ce, vbe_ports, s, "vbe");
+    }
     memory_region_add_subregion_overlap(isa_address_space(dev),
                                         isa_mem_base + 0x000a0000,
                                         vga_io_memory, 1);
     memory_region_set_coalescing(vga_io_memory);
-    isa_init_ioport(dev, 0x3c0);
-    isa_init_ioport(dev, 0x3b4);
-    isa_init_ioport(dev, 0x3ba);
-    isa_init_ioport(dev, 0x3da);
-    isa_init_ioport(dev, 0x3c0);
-#ifdef CONFIG_BOCHS_VBE
-    isa_init_ioport(dev, 0x1ce);
-    isa_init_ioport(dev, 0x1cf);
-    isa_init_ioport(dev, 0x1d0);
-#endif /* CONFIG_BOCHS_VBE */
     s->ds = graphic_console_init(s->update, s->invalidate,
                                  s->screen_dump, s->text_update, s);
 
diff --git a/hw/vga-pci.c b/hw/vga-pci.c
index 3c8bcb0..14bfadb 100644
--- a/hw/vga-pci.c
+++ b/hw/vga-pci.c
@@ -54,7 +54,7 @@ static int pci_vga_initfn(PCIDevice *dev)
 
      // vga + console init
      vga_common_init(s, VGA_RAM_SIZE);
-     vga_init(s, pci_address_space(dev));
+     vga_init(s, pci_address_space(dev), pci_address_space_io(dev), true);
 
      s->ds = graphic_console_init(s->update, s->invalidate,
                                   s->screen_dump, s->text_update, s);
diff --git a/hw/vga.c b/hw/vga.c
index f9a6014..5beaa99 100644
--- a/hw/vga.c
+++ b/hw/vga.c
@@ -2241,40 +2241,39 @@ void vga_common_init(VGACommonState *s, int vga_ram_size)
     vga_dirty_log_start(s);
 }
 
-/* used by both ISA and PCI */
-MemoryRegion *vga_init_io(VGACommonState *s)
-{
-    MemoryRegion *vga_mem;
-
-    register_ioport_write(0x3c0, 16, 1, vga_ioport_write, s);
-
-    register_ioport_write(0x3b4, 2, 1, vga_ioport_write, s);
-    register_ioport_write(0x3d4, 2, 1, vga_ioport_write, s);
-    register_ioport_write(0x3ba, 1, 1, vga_ioport_write, s);
-    register_ioport_write(0x3da, 1, 1, vga_ioport_write, s);
-
-    register_ioport_read(0x3c0, 16, 1, vga_ioport_read, s);
-
-    register_ioport_read(0x3b4, 2, 1, vga_ioport_read, s);
-    register_ioport_read(0x3d4, 2, 1, vga_ioport_read, s);
-    register_ioport_read(0x3ba, 1, 1, vga_ioport_read, s);
-    register_ioport_read(0x3da, 1, 1, vga_ioport_read, s);
+static const MemoryRegionPortio vga_portio_list[] = {
+    { 0x04,  2, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3b4 */
+    { 0x0a,  1, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3ba */
+    { 0x10, 16, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3c0 */
+    { 0x24,  2, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3d4 */
+    { 0x2a,  1, 1, .read = vga_ioport_read, .write = vga_ioport_write }, /* 3da */
+    PORTIO_END_OF_LIST(),
+};
 
 #ifdef CONFIG_BOCHS_VBE
-#if defined (TARGET_I386)
-    register_ioport_read(0x1ce, 1, 2, vbe_ioport_read_index, s);
-    register_ioport_read(0x1cf, 1, 2, vbe_ioport_read_data, s);
+static const MemoryRegionPortio vbe_portio_list[] = {
+    { 0, 1, 2, .read = vbe_ioport_read_index, .write = vbe_ioport_write_index },
+# ifdef TARGET_I386
+    { 1, 1, 2, .read = vbe_ioport_read_data, .write = vbe_ioport_write_data },
+# else
+    { 2, 1, 2, .read = vbe_ioport_read_data, .write = vbe_ioport_write_data },
+# endif
+    PORTIO_END_OF_LIST(),
+};
+#endif /* CONFIG_BOCHS_VBE */
 
-    register_ioport_write(0x1ce, 1, 2, vbe_ioport_write_index, s);
-    register_ioport_write(0x1cf, 1, 2, vbe_ioport_write_data, s);
-#else
-    register_ioport_read(0x1ce, 1, 2, vbe_ioport_read_index, s);
-    register_ioport_read(0x1d0, 1, 2, vbe_ioport_read_data, s);
+/* Used by both ISA and PCI */
+MemoryRegion *vga_init_io(VGACommonState *s,
+                          const MemoryRegionPortio **vga_ports,
+                          const MemoryRegionPortio **vbe_ports)
+{
+    MemoryRegion *vga_mem;
 
-    register_ioport_write(0x1ce, 1, 2, vbe_ioport_write_index, s);
-    register_ioport_write(0x1d0, 1, 2, vbe_ioport_write_data, s);
+    *vga_ports = vga_portio_list;
+    *vbe_ports = NULL;
+#ifdef CONFIG_BOCHS_VBE
+    *vbe_ports = vbe_portio_list;
 #endif
-#endif /* CONFIG_BOCHS_VBE */
 
     vga_mem = g_malloc(sizeof(*vga_mem));
     memory_region_init_io(vga_mem, &vga_mem_ops, s,
@@ -2283,9 +2282,13 @@ void vga_common_init(VGACommonState *s, int vga_ram_size)
     return vga_mem;
 }
 
-void vga_init(VGACommonState *s, MemoryRegion *address_space)
+void vga_init(VGACommonState *s, MemoryRegion *address_space,
+              MemoryRegion *address_space_io, bool init_vga_ports)
 {
     MemoryRegion *vga_io_memory;
+    const MemoryRegionPortio *vga_ports, *vbe_ports;
+    PortioList *vga_port_list = g_new(PortioList, 1);
+    PortioList *vbe_port_list = g_new(PortioList, 1);
 
     qemu_register_reset(vga_reset, s);
 
@@ -2293,12 +2296,20 @@ void vga_init(VGACommonState *s, MemoryRegion *address_space)
 
     s->legacy_address_space = address_space;
 
-    vga_io_memory = vga_init_io(s);
+    vga_io_memory = vga_init_io(s, &vga_ports, &vbe_ports);
     memory_region_add_subregion_overlap(address_space,
                                         isa_mem_base + 0x000a0000,
                                         vga_io_memory,
                                         1);
     memory_region_set_coalescing(vga_io_memory);
+    if (init_vga_ports) {
+        portio_list_init(vga_port_list, vga_ports, s, "vga");
+        portio_list_add(vga_port_list, address_space_io, 0x3b0);
+    }
+    if (vbe_ports) {
+        portio_list_init(vbe_port_list, vbe_ports, s, "vbe");
+        portio_list_add(vbe_port_list, address_space_io, 0x1ce);
+    }
 }
 
 void vga_init_vbe(VGACommonState *s, MemoryRegion *system_memory)
diff --git a/hw/vga_int.h b/hw/vga_int.h
index 99287dd..c1e700f 100644
--- a/hw/vga_int.h
+++ b/hw/vga_int.h
@@ -187,8 +187,11 @@ static inline int c6_to_8(int v)
 }
 
 void vga_common_init(VGACommonState *s, int vga_ram_size);
-void vga_init(VGACommonState *s, MemoryRegion *address_space);
-MemoryRegion *vga_init_io(VGACommonState *s);
+void vga_init(VGACommonState *s, MemoryRegion *address_space,
+              MemoryRegion *address_space_io, bool init_vga_ports);
+MemoryRegion *vga_init_io(VGACommonState *s,
+                          const MemoryRegionPortio **vga_ports,
+                          const MemoryRegionPortio **vbe_ports);
 void vga_common_reset(VGACommonState *s);
 
 void vga_dirty_log_start(VGACommonState *s);
diff --git a/hw/vmware_vga.c b/hw/vmware_vga.c
index aa68237..af70bde 100644
--- a/hw/vmware_vga.c
+++ b/hw/vmware_vga.c
@@ -1079,7 +1079,7 @@ static int vmsvga_post_load(void *opaque, int version_id)
 };
 
 static void vmsvga_init(struct vmsvga_state_s *s, int vga_ram_size,
-                        MemoryRegion *address_space)
+                        MemoryRegion *address_space, MemoryRegion *io)
 {
     s->scratch_size = SVGA_SCRATCH_SIZE;
     s->scratch = g_malloc(s->scratch_size * 4);
@@ -1095,7 +1095,7 @@ static void vmsvga_init(struct vmsvga_state_s *s, int vga_ram_size,
     s->fifo_ptr = memory_region_get_ram_ptr(&s->fifo_ram);
 
     vga_common_init(&s->vga, vga_ram_size);
-    vga_init(&s->vga, address_space);
+    vga_init(&s->vga, address_space, io, true);
     vmstate_register(NULL, 0, &vmstate_vga_common, &s->vga);
 
     s->depth = ds_get_bits_per_pixel(s->vga.ds);
@@ -1183,7 +1183,8 @@ static int pci_vmsvga_initfn(PCIDevice *dev)
                           "vmsvga-io", 0x10);
     pci_register_bar(&s->card, 0, PCI_BASE_ADDRESS_SPACE_IO, &s->io_bar);
 
-    vmsvga_init(&s->chip, VGA_RAM_SIZE, pci_address_space(dev));
+    vmsvga_init(&s->chip, VGA_RAM_SIZE, pci_address_space(dev),
+                pci_address_space_io(dev));
 
     pci_register_bar(&s->card, 1, PCI_BASE_ADDRESS_MEM_PREFETCH, iomem);
     pci_register_bar(&s->card, 2, PCI_BASE_ADDRESS_MEM_PREFETCH,
-- 
1.7.6.3