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Re: [PATCH v6 16/20] xen/riscv: add minimal stuff to mm.h to build full Xen
- To: Oleksii Kurochko <oleksii.kurochko@xxxxxxxxx>
- From: Jan Beulich <jbeulich@xxxxxxxx>
- Date: Thu, 21 Mar 2024 14:37:57 +0100
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- Cc: Alistair Francis <alistair.francis@xxxxxxx>, Bob Eshleman <bobbyeshleman@xxxxxxxxx>, Connor Davis <connojdavis@xxxxxxxxx>, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, George Dunlap <george.dunlap@xxxxxxxxxx>, Julien Grall <julien@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Wei Liu <wl@xxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx
- Delivery-date: Thu, 21 Mar 2024 13:38:17 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 15.03.2024 19:06, Oleksii Kurochko wrote:
> --- a/xen/arch/riscv/include/asm/mm.h
> +++ b/xen/arch/riscv/include/asm/mm.h
> @@ -3,11 +3,246 @@
> #ifndef _ASM_RISCV_MM_H
> #define _ASM_RISCV_MM_H
>
> +#include <public/xen.h>
> +#include <xen/bug.h>
> +#include <xen/mm-frame.h>
> +#include <xen/pdx.h>
> +#include <xen/types.h>
> +
> #include <asm/page-bits.h>
>
> #define pfn_to_paddr(pfn) ((paddr_t)(pfn) << PAGE_SHIFT)
> #define paddr_to_pfn(pa) ((unsigned long)((pa) >> PAGE_SHIFT))
>
> +#define paddr_to_pdx(pa) mfn_to_pdx(maddr_to_mfn(pa))
> +#define gfn_to_gaddr(gfn) pfn_to_paddr(gfn_x(gfn))
> +#define gaddr_to_gfn(ga) _gfn(paddr_to_pfn(ga))
> +#define mfn_to_maddr(mfn) pfn_to_paddr(mfn_x(mfn))
> +#define maddr_to_mfn(ma) _mfn(paddr_to_pfn(ma))
> +#define vmap_to_mfn(va) maddr_to_mfn(virt_to_maddr((vaddr_t)(va)))
> +#define vmap_to_page(va) mfn_to_page(vmap_to_mfn(va))
> +
> +static inline void *maddr_to_virt(unsigned long ma)
paddr_t as parameter type?
> +{
> + BUG_ON("unimplemented");
> + return NULL;
> +}
>[...]
> +#define PFN_ORDER(pfn) ((pfn)->v.free.order)
Would be nice if RISC-V wouldn't repeat the parameter mis-naming: Any of
p, pg, or page would be more suitable here.
With the adjustments:
Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
Jan
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