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none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1774018936; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=N+38mOISGDZ5p4EBE7e3hZ5SrJSwJQ9+PpMenks7NFU=; b=eOEZ7i0/vDm7ZasHeLy0eMGD0xP3Vlot+jn1kIxaqnsrwe9aFsE1uxoMF8jJqyp7R/a8hi 5XFyKGc5DLC6vr0OmsvGBF8nE/doqRngS9Y8+BYk1dsW3JPgcESvGB4PnthEuKlVZtR17l nsC49HzgrskYg1HJ3k4ZaY8dzhrFEBk= From: Juergen Gross To: xen-devel@lists.xenproject.org Cc: Juergen Gross , Nick Rosbrook , George Dunlap , Anthony PERARD Subject: [PATCH v2 10/12] tools/libxl: add support for xenstore quota in domain_config Date: Fri, 20 Mar 2026 16:01:18 +0100 Message-ID: <20260320150120.874878-11-jgross@suse.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260320150120.874878-1-jgross@suse.com> References: <20260320150120.874878-1-jgross@suse.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Spamd-Result: default: False [-2.80 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-0.999]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_ALL(0.00)[]; FROM_HAS_DN(0.00)[]; ARC_NA(0.00)[]; MIME_TRACE(0.00)[0:+]; TO_DN_SOME(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.com:mid,suse.com:email]; RCVD_VIA_SMTP_AUTH(0.00)[]; FROM_EQ_ENVFROM(0.00)[]; RCVD_COUNT_TWO(0.00)[2]; FUZZY_RATELIMITED(0.00)[rspamd.com]; DKIM_SIGNED(0.00)[suse.com:s=susede1]; RCPT_COUNT_FIVE(0.00)[5]; RCVD_TLS_ALL(0.00)[] X-Spam-Flag: NO X-Spam-Score: -2.80 X-Spam-Level: X-ZohoMail-DKIM: pass (identity @suse.com) X-ZM-MESSAGEID: 1774018967812158500 Content-Type: text/plain; charset="utf-8" Add support for xenstore quota in the struct domain_config. Initially it will be used only for migration of a domain. Signed-off-by: Juergen Gross Acked-by: Nick Rosbrook # golang stuff Reviewed-by: Anthony PERARD --- V2: - use LOGED() for error logging (Anthony Perard) - mention additional struct member xenstore_quota in libxl.h (Anthony Perard) --- tools/golang/xenlight/helpers.gen.go | 6 ++++++ tools/golang/xenlight/types.gen.go | 1 + tools/include/libxl.h | 1 + tools/libs/light/libxl_dom.c | 8 ++++++++ tools/libs/light/libxl_domain.c | 11 +++++++++++ tools/libs/light/libxl_types.idl | 1 + 6 files changed, 28 insertions(+) diff --git a/tools/golang/xenlight/helpers.gen.go b/tools/golang/xenlight/h= elpers.gen.go index 767b9e45f5..b0c09da910 100644 --- a/tools/golang/xenlight/helpers.gen.go +++ b/tools/golang/xenlight/helpers.gen.go @@ -1286,6 +1286,9 @@ if err :=3D x.TrapUnmappedAccesses.fromC(&xc.trap_unm= apped_accesses);err !=3D nil { return fmt.Errorf("converting field TrapUnmappedAccesses: %v", err) } x.XenstoreFeatureMask =3D uint32(xc.xenstore_feature_mask) +if err :=3D x.XenstoreQuota.fromC(&xc.xenstore_quota);err !=3D nil { +return fmt.Errorf("converting field XenstoreQuota: %v", err) +} =20 return nil} =20 @@ -1825,6 +1828,9 @@ if err :=3D x.TrapUnmappedAccesses.toC(&xc.trap_unmap= ped_accesses); err !=3D nil { return fmt.Errorf("converting field TrapUnmappedAccesses: %v", err) } xc.xenstore_feature_mask =3D C.uint32_t(x.XenstoreFeatureMask) +if err :=3D x.XenstoreQuota.toC(&xc.xenstore_quota); err !=3D nil { +return fmt.Errorf("converting field XenstoreQuota: %v", err) +} =20 return nil } diff --git a/tools/golang/xenlight/types.gen.go b/tools/golang/xenlight/typ= es.gen.go index 8dd610919d..e0fd78ec03 100644 --- a/tools/golang/xenlight/types.gen.go +++ b/tools/golang/xenlight/types.gen.go @@ -629,6 +629,7 @@ VmtraceBufKb int Vpmu Defbool TrapUnmappedAccesses Defbool XenstoreFeatureMask uint32 +XenstoreQuota XsQuotaList } =20 type DomainBuildInfoTypeUnion interface { diff --git a/tools/include/libxl.h b/tools/include/libxl.h index 6d2910df34..80e3ec8de9 100644 --- a/tools/include/libxl.h +++ b/tools/include/libxl.h @@ -1545,6 +1545,7 @@ void libxl_mac_copy(libxl_ctx *ctx, libxl_mac *dst, c= onst libxl_mac *src); * libxl_xs_quota_global_set() * libxl_xs_quota_domain_get() * libxl_xs_quota_domain_set() + * and the xenstore_quota member of struct domain_build_info * are available. */ #define LIBXL_HAVE_XENSTORE_QUOTA diff --git a/tools/libs/light/libxl_dom.c b/tools/libs/light/libxl_dom.c index 05ebc69534..4ff5f65f6f 100644 --- a/tools/libs/light/libxl_dom.c +++ b/tools/libs/light/libxl_dom.c @@ -509,6 +509,14 @@ retry_transaction: =20 xs_introduce_domain(ctx->xsh, domid, state->store_mfn, state->store_po= rt); =20 + if (info->xenstore_quota.num_quota) { + rc =3D libxl_xs_quota_domain_set(ctx, domid, &info->xenstore_quota= ); + if (rc) { + LOGED(ERROR, domid, "Failed to set Xenstore quota"); + goto out; + } + } + out: free(vm_path); return rc; diff --git a/tools/libs/light/libxl_domain.c b/tools/libs/light/libxl_domai= n.c index 5be47f687f..37fcd92871 100644 --- a/tools/libs/light/libxl_domain.c +++ b/tools/libs/light/libxl_domain.c @@ -2533,6 +2533,17 @@ static void retrieve_domain_configuration_end(libxl_= _egc *egc, } } =20 + /* Xenstore quota */ + { + libxl_xs_quota_list_dispose(&d_config->b_info.xenstore_quota); + rc =3D libxl_xs_quota_domain_get(CTX, domid, + &d_config->b_info.xenstore_quota); + if (rc) { + LOGED(ERROR, domid, "Fail to get xenstore quota"); + goto out; + } + } + /* Devices: disk, nic, vtpm, pcidev etc. */ =20 /* The MERGE macro implements following logic: diff --git a/tools/libs/light/libxl_types.idl b/tools/libs/light/libxl_type= s.idl index 1a63c8af76..a7893460f0 100644 --- a/tools/libs/light/libxl_types.idl +++ b/tools/libs/light/libxl_types.idl @@ -760,6 +760,7 @@ libxl_domain_build_info =3D Struct("domain_build_info",[ ("vpmu", libxl_defbool), ("trap_unmapped_accesses", libxl_defbool), ("xenstore_feature_mask", uint32, {'init_val': '~0U'}), + ("xenstore_quota", libxl_xs_quota_list), =20 ], dir=3DDIR_IN, copy_deprecated_fn=3D"libxl__domain_build_info_copy_deprecated", --=20 2.53.0