[PATCHv6 04/16] Add get_fw_dev_path callback to ISA bus in qdev.

Gleb Natapov
2010-11-17T16:44:10Z

Use device ioports to create unique device path.

Signed-off-by: Gleb Natapov <gleb@redhat.com>
---
hw/isa-bus.c | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)

diff --git a/hw/isa-bus.c b/hw/isa-bus.c
index c0ac7e9..c423c1b 100644
--- a/hw/isa-bus.c
+++ b/hw/isa-bus.c
@@ -31,11 +31,13 @@ static ISABus *isabus;
target_phys_addr_t isa_mem_base = 0;

static void isabus_dev_print(Monitor *mon, DeviceState *dev, int indent);
+static char *isabus_get_fw_dev_path(DeviceState *dev);

static struct BusInfo isa_bus_info = {
.name = "ISA",
.size = sizeof(ISABus),
.print_dev = isabus_dev_print,
+ .get_fw_dev_path = isabus_get_fw_dev_path,
};

ISABus *isa_bus_new(DeviceState *dev)
@@ -188,4 +190,18 @@ static void isabus_register_devices(void)
sysbus_register_withprop(&isabus_bridge_info);
}

+static char *isabus_get_fw_dev_path(DeviceState *dev)
+{
+ ISADevice *d = (ISADevice*)dev;
+ char path[40];
+ int off;
+
+ off = snprintf(path, sizeof(path), "%s", qdev_fw_name(dev));
+ if (d->nioports) {
+ snprintf(path + off, sizeof(path) - off, "@%04x", d->ioports[0]);
+ }
+
+ return strdup(path);
+}
+
device_init(isabus_register_devices)
--
1.7.2.3