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Re: [Xen-devel] [PATCH 25/28] libxl: ocaml: add PCI device helper functions



On Mon, 2013-03-25 at 14:45 +0000, Rob Hoes wrote:

Same comments here as on the previous patch I think, and I imagine the
next one too...

> Signed-off-by: Rob Hoes <rob.hoes@xxxxxxxxxx>
> ---
>  tools/ocaml/libs/xl/genwrap.py       |    7 ++-
>  tools/ocaml/libs/xl/xenlight_stubs.c |   90 
> ++++++++++++++++++++++++++++++++++
>  2 files changed, 96 insertions(+), 1 deletion(-)
> 
> diff --git a/tools/ocaml/libs/xl/genwrap.py b/tools/ocaml/libs/xl/genwrap.py
> index 827fdb6..becdef8 100644
> --- a/tools/ocaml/libs/xl/genwrap.py
> +++ b/tools/ocaml/libs/xl/genwrap.py
> @@ -35,7 +35,12 @@ functions = { # ( name , [type1,type2,....] )
>                        [ ("list",           ["ctx", "domid", "t list"]),
>                          ("of_devid",       ["ctx", "domid", "int", "t"]),
>                        ],
> -    "device_pci":     DEVICE_FUNCTIONS,
> +    "device_pci":     DEVICE_FUNCTIONS +
> +                      [ ("list",              ["ctx", "domid", "t list"]),
> +                        ("assignable_add",    ["ctx", "t", "bool", "unit"]),
> +                        ("assignable_remove", ["ctx", "t", "bool", "unit"]),
> +                        ("assignable_list",   ["ctx", "t list"]),
> +                      ],
>      "dominfo":        [ ("list",           ["ctx", "t list"]),
>                          ("get",            ["ctx", "domid", "t"]),
>                        ],
> diff --git a/tools/ocaml/libs/xl/xenlight_stubs.c 
> b/tools/ocaml/libs/xl/xenlight_stubs.c
> index ecc26ff..7be5dd4 100644
> --- a/tools/ocaml/libs/xl/xenlight_stubs.c
> +++ b/tools/ocaml/libs/xl/xenlight_stubs.c
> @@ -416,6 +416,96 @@ value stub_xl_device_nic_list(value ctx, value domid)
>       CAMLreturn(list);
>  }
>  
> +value stub_xl_device_pci_list(value ctx, value domid)
> +{
> +     CAMLparam2(ctx, domid);
> +     CAMLlocal2(list, temp);
> +     libxl_device_pci *c_list;
> +     int i, nb;
> +     uint32_t c_domid;
> +
> +     c_domid = Int_val(domid);
> +
> +     c_list = libxl_device_pci_list(CTX, c_domid, &nb);
> +     if (!c_list && nb > 0)
> +             failwith_xl(ERROR_FAIL, "pci_list");
> +
> +     list = temp = Val_emptylist;
> +     for (i = 0; i < nb; i++) {
> +             list = caml_alloc_small(2, Tag_cons);
> +             Field(list, 0) = Val_int(0);
> +             Field(list, 1) = temp;
> +             temp = list;
> +             Store_field(list, 0, Val_device_pci(&c_list[i]));
> +             libxl_device_pci_dispose(&c_list[i]);
> +     }
> +     free(c_list);
> +
> +     CAMLreturn(list);
> +}
> +
> +value stub_xl_device_pci_assignable_add(value ctx, value info, value rebind)
> +{
> +     CAMLparam3(ctx, info, rebind);
> +     libxl_device_pci c_info;
> +     int ret, marker_var;
> +
> +     device_pci_val(CTX, &c_info, info);
> +
> +     ret = libxl_device_pci_assignable_add(CTX, &c_info, (int) 
> Bool_val(rebind));
> +
> +     libxl_device_pci_dispose(&c_info);
> +
> +     if (ret != 0)
> +             failwith_xl(ret, "pci_assignable_add");
> +
> +     CAMLreturn(Val_unit);
> +}
> +
> +value stub_xl_device_pci_assignable_remove(value ctx, value info, value 
> rebind)
> +{
> +     CAMLparam3(ctx, info, rebind);
> +     libxl_device_pci c_info;
> +     int ret, marker_var;
> +
> +     device_pci_val(CTX, &c_info, info);
> +
> +     ret = libxl_device_pci_assignable_remove(CTX, &c_info, (int) 
> Bool_val(rebind));
> +
> +     libxl_device_pci_dispose(&c_info);
> +
> +     if (ret != 0)
> +             failwith_xl(ret, "pci_assignable_remove");
> +
> +     CAMLreturn(Val_unit);
> +}
> +
> +value stub_xl_device_pci_assignable_list(value ctx)
> +{
> +     CAMLparam1(ctx);
> +     CAMLlocal2(list, temp);
> +     libxl_device_pci *c_list;
> +     int i, nb;
> +     uint32_t c_domid;
> +
> +     c_list = libxl_device_pci_assignable_list(CTX, &nb);
> +     if (!c_list && nb > 0)
> +             failwith_xl(ERROR_FAIL, "pci_assignable_list");
> +
> +     list = temp = Val_emptylist;
> +     for (i = 0; i < nb; i++) {
> +             list = caml_alloc_small(2, Tag_cons);
> +             Field(list, 0) = Val_int(0);
> +             Field(list, 1) = temp;
> +             temp = list;
> +             Store_field(list, 0, Val_device_pci(&c_list[i]));
> +             libxl_device_pci_dispose(&c_list[i]);
> +     }
> +     free(c_list);
> +
> +     CAMLreturn(list);
> +}
> +
>  value stub_xl_physinfo_get(value ctx)
>  {
>       CAMLparam1(ctx);



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