On Thu, 2023-12-07 at 15:22 +0100, Jan Beulich wrote:
> On 24.11.2023 11:30, Oleksii Kurochko wrote:
> > --- /dev/null
> > +++ b/xen/arch/riscv/include/asm/iommu.h
> > @@ -0,0 +1,7 @@
> > +#ifndef __ASM_RISCV_IOMMU_H__
> > +#define __ASM_RISCV_IOMMU_H__
> > +
> > +struct arch_iommu {
> > +};
> > +
> > +#endif /* __ASM_IOMMU_H__ */
> 
> Instead of adding this header, didn't we discuss to make the #include
> in
> xen/iommu.h depend on CONFIG_HAS_PASSTHROUGH? Also - no SPDX or
> footer
> here?
We had discussion about some stuff in device.h, but we can apply it
here too. Only to place will be needed to update:


+ #ifdef CONFIG_HAS_PASSTHROUGH
#include <asm/iommu.h>
+ #endif

#ifndef iommu_call
# define iommu_call(ops, fn, args...) ((ops)->fn(args))
# define iommu_vcall iommu_call
#endif

struct domain_iommu {
+ #ifdef CONFIG_HAS_PASSTHROUGH
    struct arch_iommu arch;
+ #endif
...

I'll do that in the next iteration of this patch series.

Thanks.

~ Oleksii


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