On Mon, 2023-03-27 at 09:41 +0000, Corvin Köhne wrote: > The branch main has been updated by corvink: > > URL: > https://cgit.FreeBSD.org/src/commit/?id=e8988d60d24b05e98919e912329880a54cdfdd70 > > commit e8988d60d24b05e98919e912329880a54cdfdd70 > Author: Corvin Köhne <corv...@freebsd.org> > AuthorDate: 2023-03-27 08:21:37 +0000 > Commit: Corvin Köhne <corv...@freebsd.org> > CommitDate: 2023-03-27 09:40:49 +0000 > > pci: expose intel_graphics_stolen as sysctl > > The Intel graphics stolen memory is used by the Intel GOP driver > on > boot. When using bhyve with GPU passthrough, it's also used by > the guest > GOP driver at guest boot. For that reason, bhyve needs to know > the > address and size of this region to inform the guest about this > region. > Exposing the variables as sysctl allows bhyve to easily read > them. > --- > sys/x86/pci/pci_early_quirks.c | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git a/sys/x86/pci/pci_early_quirks.c > b/sys/x86/pci/pci_early_quirks.c > index b9de1d78e022..7eb3fcd91927 100644 > --- a/sys/x86/pci/pci_early_quirks.c > +++ b/sys/x86/pci/pci_early_quirks.c > @@ -32,6 +32,8 @@ __FBSDID("$FreeBSD$"); > #include <sys/systm.h> > #include <sys/bus.h> > #include <sys/kernel.h> > +#include <sys/sysctl.h> > + > #include <vm/vm.h> > /* XXX: enable this once the KPI is available */ > /* #include <x86/physmem.h> */ > @@ -56,6 +58,12 @@ struct pci_device_id { > */ > vm_paddr_t intel_graphics_stolen_base = 0; > vm_paddr_t intel_graphics_stolen_size = 0; > +SYSCTL_U64(_hw, OID_AUTO, intel_graphics_stolen_base, CTLFLAG_RD, > + &intel_graphics_stolen_base, 0, > + "Base address of the intel graphics stolen memory."); > +SYSCTL_U64(_hw, OID_AUTO, intel_graphics_stolen_size, CTLFLAG_RD, > + &intel_graphics_stolen_size, 0, > + "Size of the intel graphics stolen memory."); > > /* > * Intel early quirks functions
Reviewed by: manu MFC after: 1 week Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D39281 -- Kind regards, Corvin
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