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hyperv/vmbus: Implement bus_child_pnpinfo_str method

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Submitted by:	Jun Su <junsu microsoft com>
Sponsored by:	Microsoft OSTC
Differential Revision:	https://reviews.freebsd.org/D5669
This commit is contained in:
Sepherosa Ziehau 2016-03-21 07:16:30 +00:00
parent 57a339543d
commit b6ba8b778a
1 changed files with 18 additions and 0 deletions
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18
sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c
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@ -280,6 +280,23 @@ vmbus_write_ivar(
return (ENOENT);
}
static int
vmbus_child_pnpinfo_str(device_t dev, device_t child, char *buf, size_t buflen)
{
char guidbuf[40];
struct hv_device *dev_ctx = device_get_ivars(child);
strlcat(buf, "classid=", buflen);
snprintf_hv_guid(guidbuf, sizeof(guidbuf), &dev_ctx->class_id);
strlcat(buf, guidbuf, buflen);
strlcat(buf, " deviceid=", buflen);
snprintf_hv_guid(guidbuf, sizeof(guidbuf), &dev_ctx->device_id);
strlcat(buf, guidbuf, buflen);
return (0);
}
struct hv_device*
hv_vmbus_child_device_create(
hv_guid type,
@ -720,6 +737,7 @@ static device_method_t vmbus_methods[] = {
DEVMETHOD(bus_print_child, bus_generic_print_child),
DEVMETHOD(bus_read_ivar, vmbus_read_ivar),
DEVMETHOD(bus_write_ivar, vmbus_write_ivar),
DEVMETHOD(bus_child_pnpinfo_str, vmbus_child_pnpinfo_str),
{ 0, 0 } };