[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH 1/2] tools/ocaml: Drop coredump infrastructure
It is unused, and uses an obsolete hypercall which has never ever functioned for HVM guests. Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> --- CC: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx> CC: Wei Liu <wei.liu2@xxxxxxxxxx> CC: Christian Lindig <christian.lindig@xxxxxxxxxx> --- tools/ocaml/libs/xc/xenctrl.ml | 86 ------------------------------------- tools/ocaml/libs/xc/xenctrl.mli | 16 ------- tools/ocaml/libs/xc/xenctrl_stubs.c | 41 ------------------ 3 files changed, 143 deletions(-) diff --git a/tools/ocaml/libs/xc/xenctrl.ml b/tools/ocaml/libs/xc/xenctrl.ml index 9116aa2..a3ba488 100644 --- a/tools/ocaml/libs/xc/xenctrl.ml +++ b/tools/ocaml/libs/xc/xenctrl.ml @@ -126,14 +126,6 @@ exception Error of string type handle -(* this is only use by coredumping *) -external sizeof_core_header: unit -> int - = "stub_sizeof_core_header" -external sizeof_vcpu_guest_context: unit -> int - = "stub_sizeof_vcpu_guest_context" -external sizeof_xen_pfn: unit -> int = "stub_sizeof_xen_pfn" -(* end of use *) - external interface_open: unit -> handle = "stub_xc_interface_open" external interface_close: handle -> unit = "stub_xc_interface_close" @@ -275,84 +267,6 @@ external get_cpu_featureset : handle -> featureset_index -> int64 array = "stub_ external watchdog : handle -> int -> int32 -> int = "stub_xc_watchdog" -(* core dump structure *) -type core_magic = Magic_hvm | Magic_pv - -type core_header = { - xch_magic: core_magic; - xch_nr_vcpus: int; - xch_nr_pages: nativeint; - xch_index_offset: int64; - xch_ctxt_offset: int64; - xch_pages_offset: int64; -} - -external marshall_core_header: core_header -> string = "stub_marshall_core_header" - -(* coredump *) -let coredump xch domid fd = - let dump s = - let wd = Unix.write fd s 0 (String.length s) in - if wd <> String.length s then - failwith "error while writing"; - in - - let info = domain_getinfo xch domid in - - let nrpages = info.total_memory_pages in - let ctxt = Array.make info.max_vcpu_id None in - let nr_vcpus = ref 0 in - for i = 0 to info.max_vcpu_id - 1 - do - ctxt.(i) <- try - let v = vcpu_context_get xch domid i in - incr nr_vcpus; - Some v - with _ -> None - done; - - (* FIXME page offset if not rounded to sup *) - let page_offset = - Int64.add - (Int64.of_int (sizeof_core_header () + - (sizeof_vcpu_guest_context () * !nr_vcpus))) - (Int64.of_nativeint ( - Nativeint.mul - (Nativeint.of_int (sizeof_xen_pfn ())) - nrpages) - ) - in - - let header = { - xch_magic = if info.hvm_guest then Magic_hvm else Magic_pv; - xch_nr_vcpus = !nr_vcpus; - xch_nr_pages = nrpages; - xch_ctxt_offset = Int64.of_int (sizeof_core_header ()); - xch_index_offset = Int64.of_int (sizeof_core_header () - + sizeof_vcpu_guest_context ()); - xch_pages_offset = page_offset; - } in - - dump (marshall_core_header header); - for i = 0 to info.max_vcpu_id - 1 - do - match ctxt.(i) with - | None -> () - | Some ctxt_i -> dump ctxt_i - done; - let pfns = domain_get_pfn_list xch domid nrpages in - if Array.length pfns <> Nativeint.to_int nrpages then - failwith "could not get the page frame list"; - - let page_size = Xenmmap.getpagesize () in - for i = 0 to Nativeint.to_int nrpages - 1 - do - let page = map_foreign_range xch domid page_size pfns.(i) in - let data = Xenmmap.read page 0 page_size in - Xenmmap.unmap page; - dump data - done - (* ** Misc ** *) (** diff --git a/tools/ocaml/libs/xc/xenctrl.mli b/tools/ocaml/libs/xc/xenctrl.mli index 54c099c..ed02124 100644 --- a/tools/ocaml/libs/xc/xenctrl.mli +++ b/tools/ocaml/libs/xc/xenctrl.mli @@ -95,10 +95,6 @@ type domain_create_flag = CDF_HVM | CDF_HAP exception Error of string type handle -external sizeof_core_header : unit -> int = "stub_sizeof_core_header" -external sizeof_vcpu_guest_context : unit -> int - = "stub_sizeof_vcpu_guest_context" -external sizeof_xen_pfn : unit -> int = "stub_sizeof_xen_pfn" external interface_open : unit -> handle = "stub_xc_interface_open" external interface_close : handle -> unit = "stub_xc_interface_close" val with_intf : (handle -> 'a) -> 'a @@ -179,18 +175,6 @@ external version_capabilities : handle -> string type featureset_index = Featureset_raw | Featureset_host | Featureset_pv | Featureset_hvm external get_cpu_featureset : handle -> featureset_index -> int64 array = "stub_xc_get_cpu_featureset" -type core_magic = Magic_hvm | Magic_pv -type core_header = { - xch_magic : core_magic; - xch_nr_vcpus : int; - xch_nr_pages : nativeint; - xch_index_offset : int64; - xch_ctxt_offset : int64; - xch_pages_offset : int64; -} -external marshall_core_header : core_header -> string - = "stub_marshall_core_header" -val coredump : handle -> domid -> Unix.file_descr -> unit external pages_to_kib : int64 -> int64 = "stub_pages_to_kib" val pages_to_mib : int64 -> int64 external watchdog : handle -> int -> int32 -> int diff --git a/tools/ocaml/libs/xc/xenctrl_stubs.c b/tools/ocaml/libs/xc/xenctrl_stubs.c index dd6000c..d1801e1 100644 --- a/tools/ocaml/libs/xc/xenctrl_stubs.c +++ b/tools/ocaml/libs/xc/xenctrl_stubs.c @@ -72,47 +72,6 @@ static void Noreturn failwith_xc(xc_interface *xch) caml_raise_with_string(*caml_named_value("xc.error"), error_str); } -CAMLprim value stub_sizeof_core_header(value unit) -{ - CAMLparam1(unit); - CAMLreturn(Val_int(sizeof(struct xc_core_header))); -} - -CAMLprim value stub_sizeof_vcpu_guest_context(value unit) -{ - CAMLparam1(unit); - CAMLreturn(Val_int(sizeof(struct vcpu_guest_context))); -} - -CAMLprim value stub_sizeof_xen_pfn(value unit) -{ - CAMLparam1(unit); - CAMLreturn(Val_int(sizeof(xen_pfn_t))); -} - -#define XC_CORE_MAGIC 0xF00FEBED -#define XC_CORE_MAGIC_HVM 0xF00FEBEE - -CAMLprim value stub_marshall_core_header(value header) -{ - CAMLparam1(header); - CAMLlocal1(s); - struct xc_core_header c_header; - - c_header.xch_magic = (Field(header, 0)) - ? XC_CORE_MAGIC - : XC_CORE_MAGIC_HVM; - c_header.xch_nr_vcpus = Int_val(Field(header, 1)); - c_header.xch_nr_pages = Nativeint_val(Field(header, 2)); - c_header.xch_ctxt_offset = Int64_val(Field(header, 3)); - c_header.xch_index_offset = Int64_val(Field(header, 4)); - c_header.xch_pages_offset = Int64_val(Field(header, 5)); - - s = caml_alloc_string(sizeof(c_header)); - memcpy(String_val(s), (char *) &c_header, sizeof(c_header)); - CAMLreturn(s); -} - CAMLprim value stub_xc_interface_open(void) { CAMLparam0(); -- 2.1.4 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/mailman/listinfo/xen-devel
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