Re: [Xen-devel] [PATCH v2 5/5] arm: introduce more hypercalls

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Thu, 2012-02-23 at 18:21 +0000, Stefano Stabellini wrote:
> Implement xen_version, event_channel_op, memory_op sysctl and physdev_op
> hypercalls.
> 
> Signed-off-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>

Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

> ---
>  xen/arch/arm/Makefile           |    1 +
>  xen/arch/arm/physdev.c          |   27 +++++++++++++++++++++++++++
>  xen/arch/arm/traps.c            |    5 +++++
>  xen/include/asm-arm/hypercall.h |    1 +
>  4 files changed, 34 insertions(+), 0 deletions(-)
>  create mode 100644 xen/arch/arm/physdev.c
> 
> diff --git a/xen/arch/arm/Makefile b/xen/arch/arm/Makefile
> index 49b64fe..619430c 100644
> --- a/xen/arch/arm/Makefile
> +++ b/xen/arch/arm/Makefile
> @@ -14,6 +14,7 @@ obj-y += kernel.o
>  obj-y += mm.o
>  obj-y += p2m.o
>  obj-y += guestcopy.o
> +obj-y += physdev.o
>  obj-y += setup.o
>  obj-y += time.o
>  obj-y += smpboot.o
> diff --git a/xen/arch/arm/physdev.c b/xen/arch/arm/physdev.c
> new file mode 100644
> index 0000000..bcf4337
> --- /dev/null
> +++ b/xen/arch/arm/physdev.c
> @@ -0,0 +1,27 @@
> +/******************************************************************************
> + * Arch-specific physdev.c
> + *
> + * Copyright (c) 2012, Citrix Systems
> + */
> +
> +#include <xen/config.h>
> +#include <xen/types.h>
> +#include <xen/lib.h>
> +#include <xen/errno.h>
> +#include <asm/hypercall.h>
> +
> +
> +int do_physdev_op(int cmd, XEN_GUEST_HANDLE(void) arg)
> +{
> +    printk("%s %d cmd=%d: not implemented yet\n", __func__, __LINE__, cmd);
> +    return -ENOSYS;
> +}
> +
> +/*
> + * Local variables:
> + * mode: C
> + * c-set-style: "BSD"
> + * c-basic-offset: 4
> + * indent-tabs-mode: nil
> + * End:
> + */
> diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
> index 44d19ec..b266c5e 100644
> --- a/xen/arch/arm/traps.c
> +++ b/xen/arch/arm/traps.c
> @@ -376,6 +376,11 @@ static arm_hypercall_t *arm_hypercall_table[] = {
>      HYPERCALL(arch_0),
>      HYPERCALL(sched_op),
>      HYPERCALL(console_io),
> +    HYPERCALL(xen_version),
> +    HYPERCALL(event_channel_op),
> +    HYPERCALL(memory_op),
> +    HYPERCALL(physdev_op),
> +    HYPERCALL(sysctl),
>  };
>  
>  static void do_debug_trap(struct cpu_user_regs *regs, unsigned int code)
> diff --git a/xen/include/asm-arm/hypercall.h b/xen/include/asm-arm/hypercall.h
> index d517542..b91f8b6 100644
> --- a/xen/include/asm-arm/hypercall.h
> +++ b/xen/include/asm-arm/hypercall.h
> @@ -2,6 +2,7 @@
>  #define __ASM_ARM_HYPERCALL_H__
>  
>  #include <public/domctl.h> /* for arch_do_domctl */
> +int do_physdev_op(int cmd, XEN_GUEST_HANDLE(void) arg);
>  
>  #define XEN_HYPERCALL_TAG   0XEA1
>  



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