On Tue, Oct 11, 2022 at 11:21:36AM -0700, Elliot Berman wrote: > > > On 10/11/2022 12:21 AM, Greg Kroah-Hartman wrote: > > On Mon, Oct 10, 2022 at 05:08:30PM -0700, Elliot Berman wrote: > > > Add architecture-independent standard error codes, types, and macros for > > > Gunyah hypercalls. > > > > > > Signed-off-by: Elliot Berman <quic_eberman@xxxxxxxxxxx> > > > --- > > > MAINTAINERS | 1 + > > > include/asm-generic/gunyah.h | 74 ++++++++++++++++++++++++++++++++++++ > > > 2 files changed, 75 insertions(+) > > > create mode 100644 include/asm-generic/gunyah.h > > > > > > diff --git a/MAINTAINERS b/MAINTAINERS > > > index ef6de7599d98..4fe8cec61551 100644 > > > --- a/MAINTAINERS > > > +++ b/MAINTAINERS > > > @@ -8886,6 +8886,7 @@ L: linux-arm-msm@xxxxxxxxxxxxxxx > > > S: Supported > > > F: Documentation/devicetree/bindings/firmware/gunyah-hypervisor.yaml > > > F: Documentation/virt/gunyah/ > > > +F: include/asm-generic/gunyah.h > > > HABANALABS PCI DRIVER > > > M: Oded Gabbay <ogabbay@xxxxxxxxxx> > > > diff --git a/include/asm-generic/gunyah.h b/include/asm-generic/gunyah.h > > > new file mode 100644 > > > index 000000000000..64a02dd3b5ad > > > --- /dev/null > > > +++ b/include/asm-generic/gunyah.h > > > > Why not include/linux/gunyah.h? Why asm-generic? This is not an > > architecture. > > > > My idea here is to differentiate between code that interacts with hypercalls > and code that uses the abstractions provided on top of those hypercalls. > include/asm-generic/gunyah.h contains architecture-independent definitions > for hypercalls. Hypercalls are architecture-specific. > > For instance, I wanted to avoid a header file that mixes the definitions for > the message-queue mailbox with the hypercall definitions that the > message-queue mailbox driver itself uses. > > I can put it all in include/linux/gunyah.h and delineate with some clear > comments, but I initially felt it would be better to have separate header > file. Please put it all in one place, this is just one tiny driver and should not abuse the asm-generic location at all, no one is only going to want just this one file, they are going to need the whole thing or nothing. thanks, greg k-h