[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] [PATCH v8.1 01/27] Revert "libxc/libxl/python/xenstat/ocaml: Use new XEN_VERSION hypercall"
This reverts commit d275ec9ca8a86f7c9c213f3551194d471ce90fbd. As we prefer to still utilize the old XENVER_ hypercall. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> --- tools/libxc/include/xenctrl.h | 32 +------------- tools/libxc/xc_core.c | 35 ++++++++-------- tools/libxc/xc_dom_boot.c | 12 +----- tools/libxc/xc_domain.c | 3 +- tools/libxc/xc_private.c | 53 +++++++++++++++++++---- tools/libxc/xc_private.h | 7 ++-- tools/libxc/xc_resume.c | 3 +- tools/libxc/xc_sr_save.c | 9 ++-- tools/libxc/xg_save_restore.h | 6 +-- tools/libxl/libxl.c | 77 +++++++++++++--------------------- tools/ocaml/libs/xc/xenctrl_stubs.c | 39 ++++++++++------- tools/python/xen/lowlevel/xc/xc.c | 30 ++++++------- tools/xenstat/libxenstat/src/xenstat.c | 12 +++--- tools/xentrace/xenctx.c | 3 +- 14 files changed, 146 insertions(+), 175 deletions(-) diff --git a/tools/libxc/include/xenctrl.h b/tools/libxc/include/xenctrl.h index f5a034a..42f201b 100644 --- a/tools/libxc/include/xenctrl.h +++ b/tools/libxc/include/xenctrl.h @@ -1536,37 +1536,7 @@ int xc_tbuf_set_evt_mask(xc_interface *xch, uint32_t mask); int xc_domctl(xc_interface *xch, struct xen_domctl *domctl); int xc_sysctl(xc_interface *xch, struct xen_sysctl *sysctl); -/** - * This function returns the size of buffer to be allocated for - * the cmd. The cmd are XEN_VERSION_*. - */ -ssize_t xc_version_len(xc_interface *xch, unsigned int cmd); - -/** - * This function retrieves the information from the version_op hypercall. - * The len is the size of the arg buffer. If arg is NULL, will not - * perform hypercall - instead will just return the size of arg - * buffer that is needed. - * - * Note that prior to Xen 4.7 this would return 0 for success and - * negative value (-1) for error (with the error in errno). In Xen 4.7 - * and later for success it will return an positive value which is the - * number of bytes copied in arg. - * - * It can also return -1 with various errno values: - * - EPERM - not permitted. - * - ENOBUFS - the len was to short, output in arg truncated. - * - ENOSYS - not implemented. - * - * @parm xch a handle to an open hypervisor interface - * @parm cmd XEN_VERSION_* value - * @param arg Pointer to xen_version_op_buf_t or xen_version_op_val_t - * @param len Size of arg - * @return size of bytes copied in arg on success, -1 on failure (and - * errno will contain the error) - * - */ -int xc_version(xc_interface *xch, unsigned int cmd, void *arg, size_t len); +int xc_version(xc_interface *xch, int cmd, void *arg); int xc_flask_op(xc_interface *xch, xen_flask_op_t *op); diff --git a/tools/libxc/xc_core.c b/tools/libxc/xc_core.c index cfeba6b..d792566 100644 --- a/tools/libxc/xc_core.c +++ b/tools/libxc/xc_core.c @@ -270,43 +270,42 @@ elfnote_fill_xen_version(xc_interface *xch, *xen_version) { int rc; - xen_version_op_val_t val = 0; memset(xen_version, 0, sizeof(*xen_version)); - rc = xc_version(xch, XEN_VERSION_version, &val, sizeof(val)); + rc = xc_version(xch, XENVER_version, NULL); if ( rc < 0 ) return rc; - xen_version->major_version = val >> 16; - xen_version->minor_version = val & ((1 << 16) - 1); + xen_version->major_version = rc >> 16; + xen_version->minor_version = rc & ((1 << 16) - 1); - rc = xc_version(xch, XEN_VERSION_extraversion, - xen_version->extra_version, - sizeof(xen_version->extra_version)); + rc = xc_version(xch, XENVER_extraversion, + &xen_version->extra_version); if ( rc < 0 ) return rc; - rc = xc_version(xch, XEN_VERSION_capabilities, - xen_version->capabilities, - sizeof(xen_version->capabilities)); + rc = xc_version(xch, XENVER_compile_info, + &xen_version->compile_info); if ( rc < 0 ) return rc; - rc = xc_version(xch, XEN_VERSION_changeset, xen_version->changeset, - sizeof(xen_version->changeset)); + rc = xc_version(xch, + XENVER_capabilities, &xen_version->capabilities); if ( rc < 0 ) return rc; - rc = xc_version(xch, XEN_VERSION_platform_parameters, - &xen_version->platform_parameters, - sizeof(xen_version->platform_parameters)); + rc = xc_version(xch, XENVER_changeset, &xen_version->changeset); if ( rc < 0 ) return rc; - val = 0; - rc = xc_version(xch, XEN_VERSION_pagesize, &val, sizeof(val)); + rc = xc_version(xch, XENVER_platform_parameters, + &xen_version->platform_parameters); if ( rc < 0 ) return rc; - xen_version->pagesize = val; + + rc = xc_version(xch, XENVER_pagesize, NULL); + if ( rc < 0 ) + return rc; + xen_version->pagesize = rc; return 0; } diff --git a/tools/libxc/xc_dom_boot.c b/tools/libxc/xc_dom_boot.c index bbff72e..791041b 100644 --- a/tools/libxc/xc_dom_boot.c +++ b/tools/libxc/xc_dom_boot.c @@ -112,19 +112,11 @@ int xc_dom_compat_check(struct xc_dom_image *dom) int xc_dom_boot_xen_init(struct xc_dom_image *dom, xc_interface *xch, domid_t domid) { - xen_version_op_val_t val = 0; - - if ( xc_version(xch, XEN_VERSION_version, &val, sizeof(val)) < 0 ) - { - xc_dom_panic(xch, XC_INTERNAL_ERROR, "can't get Xen version!"); - return -1; - } - dom->xen_version = val; dom->xch = xch; dom->guest_domid = domid; - if ( xc_version(xch, XEN_VERSION_capabilities, dom->xen_caps, - sizeof(dom->xen_caps)) < 0 ) + dom->xen_version = xc_version(xch, XENVER_version, NULL); + if ( xc_version(xch, XENVER_capabilities, &dom->xen_caps) < 0 ) { xc_dom_panic(xch, XC_INTERNAL_ERROR, "can't get xen capabilities"); return -1; diff --git a/tools/libxc/xc_domain.c b/tools/libxc/xc_domain.c index 9ebd1d6..050216e 100644 --- a/tools/libxc/xc_domain.c +++ b/tools/libxc/xc_domain.c @@ -2084,8 +2084,7 @@ int xc_map_domain_meminfo(xc_interface *xch, int domid, _di.guest_width = minfo->guest_width; /* Get page table levels (see get_platform_info() in xg_save_restore.h */ - if ( xc_version(xch, XEN_VERSION_capabilities, xen_caps, - sizeof(xen_caps)) < 0 ) + if ( xc_version(xch, XENVER_capabilities, &xen_caps) ) { PERROR("Could not get Xen capabilities (for page table levels)"); return -1; diff --git a/tools/libxc/xc_private.c b/tools/libxc/xc_private.c index 631ad91..c41e433 100644 --- a/tools/libxc/xc_private.c +++ b/tools/libxc/xc_private.c @@ -457,23 +457,58 @@ int xc_sysctl(xc_interface *xch, struct xen_sysctl *sysctl) return do_sysctl(xch, sysctl); } -ssize_t xc_version_len(xc_interface *xch, unsigned int cmd) +int xc_version(xc_interface *xch, int cmd, void *arg) { - return do_version_op(xch, cmd, NULL, 0); -} - -int xc_version(xc_interface *xch, unsigned int cmd, void *arg, size_t sz) -{ - DECLARE_HYPERCALL_BOUNCE(arg, sz, XC_HYPERCALL_BUFFER_BOUNCE_OUT); + DECLARE_HYPERCALL_BOUNCE(arg, 0, XC_HYPERCALL_BUFFER_BOUNCE_OUT); /* Size unknown until cmd decoded */ + size_t sz; int rc; - if ( xc_hypercall_bounce_pre(xch, arg) ) + switch ( cmd ) + { + case XENVER_version: + sz = 0; + break; + case XENVER_extraversion: + sz = sizeof(xen_extraversion_t); + break; + case XENVER_compile_info: + sz = sizeof(xen_compile_info_t); + break; + case XENVER_capabilities: + sz = sizeof(xen_capabilities_info_t); + break; + case XENVER_changeset: + sz = sizeof(xen_changeset_info_t); + break; + case XENVER_platform_parameters: + sz = sizeof(xen_platform_parameters_t); + break; + case XENVER_get_features: + sz = sizeof(xen_feature_info_t); + break; + case XENVER_pagesize: + sz = 0; + break; + case XENVER_guest_handle: + sz = sizeof(xen_domain_handle_t); + break; + case XENVER_commandline: + sz = sizeof(xen_commandline_t); + break; + default: + ERROR("xc_version: unknown command %d\n", cmd); + return -EINVAL; + } + + HYPERCALL_BOUNCE_SET_SIZE(arg, sz); + + if ( (sz != 0) && xc_hypercall_bounce_pre(xch, arg) ) { PERROR("Could not bounce buffer for version hypercall"); return -ENOMEM; } - rc = do_version_op(xch, cmd, HYPERCALL_BUFFER(arg), sz); + rc = do_xen_version(xch, cmd, HYPERCALL_BUFFER(arg)); if ( sz != 0 ) xc_hypercall_bounce_post(xch, arg); diff --git a/tools/libxc/xc_private.h b/tools/libxc/xc_private.h index 5be8fdd..aa8daf1 100644 --- a/tools/libxc/xc_private.h +++ b/tools/libxc/xc_private.h @@ -214,12 +214,11 @@ void xc__hypercall_buffer_cache_release(xc_interface *xch); * Hypercall interfaces. */ -static inline long do_version_op(xc_interface *xch, int cmd, - xc_hypercall_buffer_t *dest, ssize_t len) +static inline int do_xen_version(xc_interface *xch, int cmd, xc_hypercall_buffer_t *dest) { DECLARE_HYPERCALL_BUFFER_ARGUMENT(dest); - return xencall3(xch->xcall, __HYPERVISOR_version_op, - cmd, HYPERCALL_BUFFER_AS_ARG(dest), len); + return xencall2(xch->xcall, __HYPERVISOR_xen_version, + cmd, HYPERCALL_BUFFER_AS_ARG(dest)); } static inline int do_physdev_op(xc_interface *xch, int cmd, void *op, size_t len) diff --git a/tools/libxc/xc_resume.c b/tools/libxc/xc_resume.c index 2b6c308..c169204 100644 --- a/tools/libxc/xc_resume.c +++ b/tools/libxc/xc_resume.c @@ -56,8 +56,7 @@ static int modify_returncode(xc_interface *xch, uint32_t domid) return 0; /* HVM guests have host address width. */ - if ( xc_version(xch, XEN_VERSION_capabilities, caps, - sizeof(caps)) < 0 ) + if ( xc_version(xch, XENVER_capabilities, &caps) != 0 ) { PERROR("Could not get Xen capabilities"); return -1; diff --git a/tools/libxc/xc_sr_save.c b/tools/libxc/xc_sr_save.c index 291fe9f..f98c827 100644 --- a/tools/libxc/xc_sr_save.c +++ b/tools/libxc/xc_sr_save.c @@ -9,7 +9,7 @@ static int write_headers(struct xc_sr_context *ctx, uint16_t guest_type) { xc_interface *xch = ctx->xch; - xen_version_op_val_t xen_version; + int32_t xen_version = xc_version(xch, XENVER_version, NULL); struct xc_sr_ihdr ihdr = { .marker = IHDR_MARKER, @@ -21,16 +21,15 @@ static int write_headers(struct xc_sr_context *ctx, uint16_t guest_type) { .type = guest_type, .page_shift = XC_PAGE_SHIFT, + .xen_major = (xen_version >> 16) & 0xffff, + .xen_minor = (xen_version) & 0xffff, }; - if ( xc_version(xch, XEN_VERSION_version, &xen_version, - sizeof(xen_version)) < 0 ) + if ( xen_version < 0 ) { PERROR("Unable to obtain Xen Version"); return -1; } - dhdr.xen_major = (xen_version >> 16) & 0xffff; - dhdr.xen_minor = (xen_version) & 0xffff; if ( write_exact(ctx->fd, &ihdr, sizeof(ihdr)) ) { diff --git a/tools/libxc/xg_save_restore.h b/tools/libxc/xg_save_restore.h index 007875f..303081d 100644 --- a/tools/libxc/xg_save_restore.h +++ b/tools/libxc/xg_save_restore.h @@ -57,12 +57,10 @@ static inline int get_platform_info(xc_interface *xch, uint32_t dom, xen_capabilities_info_t xen_caps = ""; xen_platform_parameters_t xen_params; - if (xc_version(xch, XEN_VERSION_platform_parameters, &xen_params, - sizeof(xen_params)) < 0) + if (xc_version(xch, XENVER_platform_parameters, &xen_params) != 0) return 0; - if (xc_version(xch, XEN_VERSION_capabilities, xen_caps, - sizeof(xen_caps)) < 0) + if (xc_version(xch, XENVER_capabilities, &xen_caps) != 0) return 0; if (xc_maximum_ram_page(xch, max_mfn)) diff --git a/tools/libxl/libxl.c b/tools/libxl/libxl.c index d232473..eec899d 100644 --- a/tools/libxl/libxl.c +++ b/tools/libxl/libxl.c @@ -5353,71 +5353,50 @@ libxl_numainfo *libxl_get_numainfo(libxl_ctx *ctx, int *nr) return ret; } - -static int libxl__xc_version_wrapper(libxl__gc *gc, unsigned int cmd, - char *buf, ssize_t len, char **dst) -{ - int r; - - r = xc_version(CTX->xch, cmd, buf, len); - if ( r == -EPERM ) { - buf[0] = '\0'; - } else if ( r < 0 ) { - return r; - } - *dst = libxl__strdup(NOGC, buf); - return 0; -} - const libxl_version_info* libxl_get_version_info(libxl_ctx *ctx) { GC_INIT(ctx); - char *buf; - xen_version_op_val_t val = 0; + union { + xen_extraversion_t xen_extra; + xen_compile_info_t xen_cc; + xen_changeset_info_t xen_chgset; + xen_capabilities_info_t xen_caps; + xen_platform_parameters_t p_parms; + xen_commandline_t xen_commandline; + } u; + long xen_version; libxl_version_info *info = &ctx->version_info; if (info->xen_version_extra != NULL) goto out; - if (xc_version(CTX->xch, XEN_VERSION_pagesize, &val, sizeof(val)) < 0) - goto out; + xen_version = xc_version(ctx->xch, XENVER_version, NULL); + info->xen_version_major = xen_version >> 16; + info->xen_version_minor = xen_version & 0xFF; - info->pagesize = val; - /* 4K buffer. */ - buf = libxl__zalloc(gc, info->pagesize); + xc_version(ctx->xch, XENVER_extraversion, &u.xen_extra); + info->xen_version_extra = libxl__strdup(NOGC, u.xen_extra); - val = 0; - if (xc_version(CTX->xch, XEN_VERSION_version, &val, sizeof(val)) < 0) - goto out; - info->xen_version_major = val >> 16; - info->xen_version_minor = val & 0xFF; + xc_version(ctx->xch, XENVER_compile_info, &u.xen_cc); + info->compiler = libxl__strdup(NOGC, u.xen_cc.compiler); + info->compile_by = libxl__strdup(NOGC, u.xen_cc.compile_by); + info->compile_domain = libxl__strdup(NOGC, u.xen_cc.compile_domain); + info->compile_date = libxl__strdup(NOGC, u.xen_cc.compile_date); - if (libxl__xc_version_wrapper(gc, XEN_VERSION_extraversion, buf, - info->pagesize, &info->xen_version_extra) < 0) - goto out; + xc_version(ctx->xch, XENVER_capabilities, &u.xen_caps); + info->capabilities = libxl__strdup(NOGC, u.xen_caps); - info->compiler = libxl__strdup(NOGC, ""); - info->compile_by = libxl__strdup(NOGC, ""); - info->compile_domain = libxl__strdup(NOGC, ""); - info->compile_date = libxl__strdup(NOGC, ""); + xc_version(ctx->xch, XENVER_changeset, &u.xen_chgset); + info->changeset = libxl__strdup(NOGC, u.xen_chgset); - if (libxl__xc_version_wrapper(gc, XEN_VERSION_capabilities, buf, - info->pagesize, &info->capabilities) < 0) - goto out; + xc_version(ctx->xch, XENVER_platform_parameters, &u.p_parms); + info->virt_start = u.p_parms.virt_start; - if (libxl__xc_version_wrapper(gc, XEN_VERSION_changeset, buf, - info->pagesize, &info->changeset) < 0) - goto out; - - val = 0; - if (xc_version(CTX->xch, XEN_VERSION_platform_parameters, &val, - sizeof(val)) < 0) - goto out; + info->pagesize = xc_version(ctx->xch, XENVER_pagesize, NULL); - info->virt_start = val; + xc_version(ctx->xch, XENVER_commandline, &u.xen_commandline); + info->commandline = libxl__strdup(NOGC, u.xen_commandline); - (void)libxl__xc_version_wrapper(gc, XEN_VERSION_commandline, buf, - info->pagesize, &info->commandline); out: GC_FREE; return info; diff --git a/tools/ocaml/libs/xc/xenctrl_stubs.c b/tools/ocaml/libs/xc/xenctrl_stubs.c index 22741d5..5477df3 100644 --- a/tools/ocaml/libs/xc/xenctrl_stubs.c +++ b/tools/ocaml/libs/xc/xenctrl_stubs.c @@ -853,21 +853,21 @@ CAMLprim value stub_xc_version_version(value xch) CAMLparam1(xch); CAMLlocal1(result); xen_extraversion_t extra; - xen_version_op_val_t packed; + long packed; int retval; caml_enter_blocking_section(); - retval = xc_version(_H(xch), XEN_VERSION_version, &packed, sizeof(packed)); + packed = xc_version(_H(xch), XENVER_version, NULL); caml_leave_blocking_section(); - if (retval < 0) + if (packed < 0) failwith_xc(_H(xch)); caml_enter_blocking_section(); - retval = xc_version(_H(xch), XEN_VERSION_extraversion, &extra, sizeof(extra)); + retval = xc_version(_H(xch), XENVER_extraversion, &extra); caml_leave_blocking_section(); - if (retval < 0) + if (retval) failwith_xc(_H(xch)); result = caml_alloc_tuple(3); @@ -884,28 +884,37 @@ CAMLprim value stub_xc_version_compile_info(value xch) { CAMLparam1(xch); CAMLlocal1(result); + xen_compile_info_t ci; + int retval; + + caml_enter_blocking_section(); + retval = xc_version(_H(xch), XENVER_compile_info, &ci); + caml_leave_blocking_section(); + + if (retval) + failwith_xc(_H(xch)); result = caml_alloc_tuple(4); - Store_field(result, 0, caml_copy_string("")); - Store_field(result, 1, caml_copy_string("")); - Store_field(result, 2, caml_copy_string("")); - Store_field(result, 3, caml_copy_string("")); + Store_field(result, 0, caml_copy_string(ci.compiler)); + Store_field(result, 1, caml_copy_string(ci.compile_by)); + Store_field(result, 2, caml_copy_string(ci.compile_domain)); + Store_field(result, 3, caml_copy_string(ci.compile_date)); CAMLreturn(result); } -static value xc_version_single_string(value xch, int code, void *info, ssize_t len) +static value xc_version_single_string(value xch, int code, void *info) { CAMLparam1(xch); int retval; caml_enter_blocking_section(); - retval = xc_version(_H(xch), code, info, len); + retval = xc_version(_H(xch), code, info); caml_leave_blocking_section(); - if (retval < 0) + if (retval) failwith_xc(_H(xch)); CAMLreturn(caml_copy_string((char *)info)); @@ -916,8 +925,7 @@ CAMLprim value stub_xc_version_changeset(value xch) { xen_changeset_info_t ci; - return xc_version_single_string(xch, XEN_VERSION_changeset, - &ci, sizeof(ci)); + return xc_version_single_string(xch, XENVER_changeset, &ci); } @@ -925,8 +933,7 @@ CAMLprim value stub_xc_version_capabilities(value xch) { xen_capabilities_info_t ci; - return xc_version_single_string(xch, XEN_VERSION_capabilities, - &ci, sizeof(ci)); + return xc_version_single_string(xch, XENVER_capabilities, &ci); } diff --git a/tools/python/xen/lowlevel/xc/xc.c b/tools/python/xen/lowlevel/xc/xc.c index 812a905..8411789 100644 --- a/tools/python/xen/lowlevel/xc/xc.c +++ b/tools/python/xen/lowlevel/xc/xc.c @@ -1204,40 +1204,34 @@ static PyObject *pyxc_xeninfo(XcObject *self) xen_capabilities_info_t xen_caps; xen_platform_parameters_t p_parms; xen_commandline_t xen_commandline; - xen_version_op_val_t xen_version; - xen_version_op_val_t xen_pagesize; + long xen_version; + long xen_pagesize; char str[128]; - if ( xc_version(self->xc_handle, XEN_VERSION_version, &xen_version, - sizeof(xen_version)) < 0 ) - return pyxc_error_to_exception(self->xc_handle); + xen_version = xc_version(self->xc_handle, XENVER_version, NULL); - if ( xc_version(self->xc_handle, XEN_VERSION_extraversion, &xen_extra, - sizeof(xen_extra)) < 0 ) + if ( xc_version(self->xc_handle, XENVER_extraversion, &xen_extra) != 0 ) return pyxc_error_to_exception(self->xc_handle); - memset(&xen_cc, 0, sizeof(xen_cc)); + if ( xc_version(self->xc_handle, XENVER_compile_info, &xen_cc) != 0 ) + return pyxc_error_to_exception(self->xc_handle); - if ( xc_version(self->xc_handle, XEN_VERSION_changeset, &xen_chgset, - sizeof(xen_chgset)) < 0 ) + if ( xc_version(self->xc_handle, XENVER_changeset, &xen_chgset) != 0 ) return pyxc_error_to_exception(self->xc_handle); - if ( xc_version(self->xc_handle, XEN_VERSION_capabilities, &xen_caps, - sizeof(xen_caps)) < 0 ) + if ( xc_version(self->xc_handle, XENVER_capabilities, &xen_caps) != 0 ) return pyxc_error_to_exception(self->xc_handle); - if ( xc_version(self->xc_handle, XEN_VERSION_platform_parameters, - &p_parms, sizeof(p_parms)) < 0 ) + if ( xc_version(self->xc_handle, XENVER_platform_parameters, &p_parms) != 0 ) return pyxc_error_to_exception(self->xc_handle); - if ( xc_version(self->xc_handle, XEN_VERSION_commandline, - &xen_commandline, sizeof(xen_commandline)) < 0 ) + if ( xc_version(self->xc_handle, XENVER_commandline, &xen_commandline) != 0 ) return pyxc_error_to_exception(self->xc_handle); snprintf(str, sizeof(str), "virt_start=0x%"PRI_xen_ulong, p_parms.virt_start); - if ( xc_version(self->xc_handle, XEN_VERSION_pagesize, &xen_pagesize, - sizeof(xen_pagesize)) < 0 ) + xen_pagesize = xc_version(self->xc_handle, XENVER_pagesize, NULL); + if (xen_pagesize < 0 ) return pyxc_error_to_exception(self->xc_handle); return Py_BuildValue("{s:i,s:i,s:s,s:s,s:i,s:s,s:s,s:s,s:s,s:s,s:s,s:s}", diff --git a/tools/xenstat/libxenstat/src/xenstat.c b/tools/xenstat/libxenstat/src/xenstat.c index efb68b5..3495f3f 100644 --- a/tools/xenstat/libxenstat/src/xenstat.c +++ b/tools/xenstat/libxenstat/src/xenstat.c @@ -621,18 +621,20 @@ unsigned long long xenstat_network_tdrop(xenstat_network * network) /* Collect Xen version information */ static int xenstat_collect_xen_version(xenstat_node * node) { - xen_version_op_val_t vnum = 0; + long vnum = 0; xen_extraversion_t version; /* Collect Xen version information if not already collected */ if (node->handle->xen_version[0] == '\0') { /* Get the Xen version number and extraversion string */ - if (xc_version(node->handle->xc_handle, - XEN_VERSION_version, &vnum, sizeof(vnum)) < 0) + vnum = xc_version(node->handle->xc_handle, + XENVER_version, NULL); + + if (vnum < 0) return 0; - if (xc_version(node->handle->xc_handle, XEN_VERSION_extraversion, - &version, sizeof(version)) < 0) + if (xc_version(node->handle->xc_handle, XENVER_extraversion, + &version) < 0) return 0; /* Format the version information as a string and store it */ snprintf(node->handle->xen_version, VERSION_SIZE, "%ld.%ld%s", diff --git a/tools/xentrace/xenctx.c b/tools/xentrace/xenctx.c index cd280fc..e647179 100644 --- a/tools/xentrace/xenctx.c +++ b/tools/xentrace/xenctx.c @@ -1000,8 +1000,7 @@ static void dump_ctx(int vcpu) guest_word_size = (cpuctx.msr_efer & 0x400) ? 8 : guest_protected_mode ? 4 : 2; /* HVM guest context records are always host-sized */ - if (xc_version(xenctx.xc_handle, XEN_VERSION_capabilities, - &xen_caps, sizeof(xen_caps)) < 0) { + if (xc_version(xenctx.xc_handle, XENVER_capabilities, &xen_caps) != 0) { perror("xc_version"); return; } -- 2.5.0 _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxx http://lists.xen.org/xen-devel
|
Lists.xenproject.org is hosted with RackSpace, monitoring our |