[RFC v5 49/86] i6300esb: convert to memory API

Avi Kivity
2011-07-20T16:50:59Z

Also add missing destructor.

Signed-off-by: Avi Kivity <avi@redhat.com>
---
hw/wdt_i6300esb.c | 43 +++++++++++++++++++++++++++++--------------
1 files changed, 29 insertions(+), 14 deletions(-)

diff --git a/hw/wdt_i6300esb.c b/hw/wdt_i6300esb.c
index 53786ce..abc2e17 100644
--- a/hw/wdt_i6300esb.c
+++ b/hw/wdt_i6300esb.c
@@ -66,6 +66,7 @@
/* Device state. */
struct I6300State {
PCIDevice dev;
+ MemoryRegion io_mem;

int reboot_enabled; /* "Reboot" on timer expiry. The real action
* performed depends on the -watchdog-action
@@ -355,6 +356,22 @@ static void i6300esb_mem_writel(void *vp, target_phys_addr_t addr, uint32_t val)
}
}

+static const MemoryRegionOps i6300esb_ops = {
+ .old_mmio = {
+ .read = {
+ i6300esb_mem_readb,
+ i6300esb_mem_readw,
+ i6300esb_mem_readl,
+ },
+ .write = {
+ i6300esb_mem_writeb,
+ i6300esb_mem_writew,
+ i6300esb_mem_writel,
+ },
+ },
+ .endianness = DEVICE_NATIVE_ENDIAN,
+};
+
static const VMStateDescription vmstate_i6300esb = {
.name = "i6300esb_wdt",
.version_id = sizeof(I6300State),
@@ -381,31 +398,28 @@ static const VMStateDescription vmstate_i6300esb = {
static int i6300esb_init(PCIDevice *dev)
{
I6300State *d = DO_UPCAST(I6300State, dev, dev);
- int io_mem;
- static CPUReadMemoryFunc * const mem_read[3] = {
- i6300esb_mem_readb,
- i6300esb_mem_readw,
- i6300esb_mem_readl,
- };
- static CPUWriteMemoryFunc * const mem_write[3] = {
- i6300esb_mem_writeb,
- i6300esb_mem_writew,
- i6300esb_mem_writel,
- };

i6300esb_debug("I6300State = %p\n", d);

d->timer = qemu_new_timer_ns(vm_clock, i6300esb_timer_expired, d);
d->previous_reboot_flag = 0;

- io_mem = cpu_register_io_memory(mem_read, mem_write, d,
- DEVICE_NATIVE_ENDIAN);
- pci_register_bar_simple(&d->dev, 0, 0x10, 0, io_mem);
+ memory_region_init_io(&d->io_mem, &i6300esb_ops, d, "i6300esb", 0x10);
+ pci_register_bar_region(&d->dev, 0, 0, &d->io_mem);
/* qemu_register_coalesced_mmio (addr, 0x10); ? */

return 0;
}

+static int i6300esb_exit(PCIDevice *dev)
+{
+ I6300State *d = DO_UPCAST(I6300State, dev, dev);
+
+ memory_region_destroy(&d->io_mem);
+
+ return 0;
+}
+
static WatchdogTimerModel model = {
.wdt_name = "i6300esb",
.wdt_description = "Intel 6300ESB",
@@ -419,6 +433,7 @@ static PCIDeviceInfo i6300esb_info = {
.config_read = i6300esb_config_read,
.config_write = i6300esb_config_write,
.init = i6300esb_init,
+ .exit = i6300esb_exit,
.vendor_id = PCI_VENDOR_ID_INTEL,
.device_id = PCI_DEVICE_ID_INTEL_ESB_9,
.class_id = PCI_CLASS_SYSTEM_OTHER,
--
1.7.5.3