Date: Fri, 14 Oct 2022 07:54:22 +0000 From: Souradeep Chakrabarti <schakrabarti@microsoft.com> To: Warner Losh <imp@bsdimp.com> Cc: "freebsd-hackers@freebsd.org" <freebsd-hackers@freebsd.org>, Wei Hu <weh@microsoft.com> Subject: RE: allocating IRQ mentioned in _CRS of ACPI Message-ID: <PSAP153MB053698CAD8CB5439C99355B4CC249@PSAP153MB0536.APCP153.PROD.OUTLOOK.COM> In-Reply-To: <PSAP153MB053667A618629ACFFDCEDCBFCC249@PSAP153MB0536.APCP153.PROD.OUTLOOK.COM> References: <PSAP153MB053667A618629ACFFDCEDCBFCC249@PSAP153MB0536.APCP153.PROD.OUTLOOK.COM>
next in thread | previous in thread | raw e-mail | index | archive | help
Last mail was having incorrect FreeBSD hacker alias. Replacing that with co= rrect one here. > -----Original Message----- > From: Souradeep Chakrabarti > Sent: Friday, October 14, 2022 1:19 PM > To: Warner Losh <imp@bsdimp.com> > Cc: hacker@freebsd.org; Wei Hu <weh@microsoft.com> > Subject: allocating IRQ mentioned in _CRS of ACPI >=20 > Hi, > I would like to allocate IRQ to a device, mentioned in the _CRS of that d= evice in > ACPI table. > I have tried with bus_alloc_resource_any(), but it is failing as the pare= nt of that > device is not owning the IRQ. >=20 > Current ACPI topo for the device : > ACPI0->SB.VMOD(HID ACPI0004, has SYS_RES_MEM for MMIO in _CRS)- > >VMBUS( it has SYS_RES_IRQ in it's _CRS). >=20 > How can I get here both SYS_RES_IRQ and SYS_RES_MEM allocated to VMBUS? >=20 > Thanks & Regards, > Souradeep
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?PSAP153MB053698CAD8CB5439C99355B4CC249>