From patchwork Wed Nov 10 17:14:11 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [PATCHv3,04/14] Add get_fw_dev_path callback to ISA bus in qdev. Date: Wed, 10 Nov 2010 07:14:11 -0000 From: Gleb Natapov X-Patchwork-Id: 70663 Message-Id: <1289409261-5418-5-git-send-email-gleb@redhat.com> To: qemu-devel@nongnu.org Cc: blauwirbel@gmail.com, alex.williamson@redhat.com, armbru@redhat.com, kvm@vger.kernel.org, mst@redhat.com Use device ioports to create unique device path. Signed-off-by: Gleb Natapov --- hw/isa-bus.c | 15 +++++++++++++++ 1 files changed, 15 insertions(+), 0 deletions(-) diff --git a/hw/isa-bus.c b/hw/isa-bus.c index c0ac7e9..741d28e 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 +190,17 @@ 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)