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[2a00:1028:83a4:4bca:c0bb:96ff:feed:9d50]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3b5e8bd18ffsm13288903f8f.9.2025.07.14.15.48.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 14 Jul 2025 15:48:59 -0700 (PDT) X-Outflank-Mailman: Message body and most headers restored to incoming version X-BeenThere: xen-devel@lists.xenproject.org List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Errors-To: xen-devel-bounces@lists.xenproject.org Precedence: list Sender: "Xen-devel" X-Inumbo-ID: bbf09e7f-6104-11f0-b894-0df219b8e170 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1752533340; x=1753138140; darn=lists.xenproject.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=h7PeFG4j0+6wg/8x4w0BGJXrwiGp05DFafVuw1va9HQ=; b=HCNClcgDpCElMafVOCroI8gklpeVDR8wuBn44JSvT1+f9I2HMQUPsADtx9ZdDs+W38 eV5JUYhfBpBxff15C57jvSBfXG/MWM9t2mbD4RRrGE+wEo6mSpG0rvlVX0zh1sNBnHk4 t0z+djHWZGmydu8z9K+YWEFXzipP/xl+bncQkGlkLq7ACBvOQUxN/8TycPeLRdQGZUUs 4ziZxtX1wjoVuQ72aa2OeFsMe7VOOjVG84lNzbF5/KNTq4t/eYknX7HmNzj8/zt95hIz r9atqNw4ItQKlAiTWMpzOONWCZKj1AG09PHa2cxJXOaVKDvtSB837k3Oz6y2KwHQMl0+ GCow== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1752533340; x=1753138140; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=h7PeFG4j0+6wg/8x4w0BGJXrwiGp05DFafVuw1va9HQ=; b=b1jZXHIwEyYSU/IZ2VWeE0b/dMkJyVlreULLrQhnvImYguVoYK62d0R8IJaqtgiQYJ a9YdUdzTEaHpmf2Wxbolc2Hht75ORmoX8CBOI9MTuGCEtlbKruyFN9x5YucniL639DPe g1zYap7T2gcN/BdMlkBGSejPGE1silhbj/tRDM6Eg1EDb/P5mwfSVUnzZzWCSQ6npkHJ gVYdBES0TTQdqmLx7NCI5/jBhAxc1MMuz+SIFyAkxiz1ceLpByVzRI1uf9OhA4tiSCya uiM5ytJmhWKS41OqbntIYlc4oV3DrZkOAEVJn08JfCreqLtfrxyH29eIfV/owfCRSrFA 4yuQ== X-Gm-Message-State: AOJu0Yz9+zEhhDcjLaBiFwIRq1NTrQh0RAd3QU2IkrBq92Nl5gJJ75Ns 5gy8NXJDxFn8GEzi+4zOCdxgun/vBprHUFr3izswdNu4yD3o2UHDVvKYjQOsoA== X-Gm-Gg: ASbGnctTToiu3/ExgkRPocNYYL9Oj3gYJe4S31AXZzxFUDXk78HCuJAHM4slNq5b1Yu JoDPwFYIuswpJTAbLFUhQGTTKOqdAVQW1Z6ZcEVj0iSToLizU1dLtelq1Oj97PVnUbrSrxNa76V RK9G+2lYvrFeL4yehZfg8lAfFJm4BIeNWjR38Nk/BbzUaVUo3OToVf1/vWMdbIsIKwb1LoA+7iK z+pPXt08yye2CFIE/xSfVkPxSOmy7DyrEvv8GoPKFMH3cEnh3CiRgKKKXxtLzb7dVVwI3Tg+roB CmCLOuA9MdgPBVOdNd4pzPJKVzJchOym1nNXpm+awIW3PX0iMzJFH0PJX+Pfu1KKFn3/mQyiDk/ ku9iy0hbtPwm+XTPXHUXkalU74r22aEuxeDRUy0giTNZ/Vg4cabI7UJXt22VATJhNu/lz+taZ9O 3m/JPDGtRBzvAhpElWJ9Brkg== X-Google-Smtp-Source: AGHT+IEq1c3ozI1xTvwm7eOIJ9g+ASHaw5Ngv2QUus83unSuu4Z/ZANkRIUMcuqvYPKy8lsTfs0i0g== X-Received: by 2002:a05:6000:2388:b0:3a3:6e85:a550 with SMTP id ffacd0b85a97d-3b5f185a966mr4950180f8f.5.1752533340066; Mon, 14 Jul 2025 15:49:00 -0700 (PDT) From: "=?UTF-8?q?Petr=20Bene=C5=A1?=" X-Google-Original-From: =?UTF-8?q?Petr=20Bene=C5=A1?= To: xen-devel@lists.xenproject.org Cc: =?UTF-8?q?Petr=20Bene=C5=A1?= , Anthony PERARD , Juergen Gross , Andrew Cooper , Michal Orzel , Jan Beulich , Julien Grall , =?UTF-8?q?Roger=20Pau=20Monn=C3=A9?= , Stefano Stabellini , Christian Lindig , David Scott , Bertrand Marquis , Volodymyr Babchuk , Christian Lindig , Julien Grall Subject: [PATCH v8 1/7] xen: Refactor altp2m options into a structured format Date: Mon, 14 Jul 2025 22:48:48 +0000 Message-Id: X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1752533357920116600 From: Petr Bene=C5=A1 Encapsulate the altp2m options within a struct. This change is preparatory and sets the groundwork for introducing additional parameter in subsequent commit. Signed-off-by: Petr Bene=C5=A1 Acked-by: Christian Lindig Acked-by: Anthony PERARD Acked-by: Julien Grall # arm Reviewed-by: Jan Beulich # hypervisor --- tools/libs/light/libxl_create.c | 6 +++--- tools/ocaml/libs/xc/xenctrl_stubs.c | 4 +++- xen/arch/arm/domain.c | 2 +- xen/arch/x86/domain.c | 4 ++-- xen/arch/x86/hvm/hvm.c | 2 +- xen/include/public/domctl.h | 4 +++- 6 files changed, 13 insertions(+), 9 deletions(-) diff --git a/tools/libs/light/libxl_create.c b/tools/libs/light/libxl_creat= e.c index 9525d22312..8a85fba1cf 100644 --- a/tools/libs/light/libxl_create.c +++ b/tools/libs/light/libxl_create.c @@ -622,17 +622,17 @@ int libxl__domain_make(libxl__gc *gc, libxl_domain_co= nfig *d_config, LOG(DETAIL, "altp2m: %s", libxl_altp2m_mode_to_string(b_info->altp= 2m)); switch(b_info->altp2m) { case LIBXL_ALTP2M_MODE_MIXED: - create.altp2m_opts |=3D + create.altp2m.opts |=3D XEN_DOMCTL_ALTP2M_mode(XEN_DOMCTL_ALTP2M_mixed); break; =20 case LIBXL_ALTP2M_MODE_EXTERNAL: - create.altp2m_opts |=3D + create.altp2m.opts |=3D XEN_DOMCTL_ALTP2M_mode(XEN_DOMCTL_ALTP2M_external); break; =20 case LIBXL_ALTP2M_MODE_LIMITED: - create.altp2m_opts |=3D + create.altp2m.opts |=3D XEN_DOMCTL_ALTP2M_mode(XEN_DOMCTL_ALTP2M_limited); break; =20 diff --git a/tools/ocaml/libs/xc/xenctrl_stubs.c b/tools/ocaml/libs/xc/xenc= trl_stubs.c index 863ab3c778..b51fd66788 100644 --- a/tools/ocaml/libs/xc/xenctrl_stubs.c +++ b/tools/ocaml/libs/xc/xenctrl_stubs.c @@ -225,7 +225,9 @@ CAMLprim value stub_xc_domain_create(value xch_val, val= ue wanted_domid, value co .max_maptrack_frames =3D Int_val(VAL_MAX_MAPTRACK_FRAMES), .grant_opts =3D XEN_DOMCTL_GRANT_version(Int_val(VAL_MAX_GRANT_VERSION)), - .altp2m_opts =3D Int32_val(VAL_ALTP2M_OPTS), + .altp2m =3D { + .opts =3D Int32_val(VAL_ALTP2M_OPTS), + }, .vmtrace_size =3D vmtrace_size, .cpupool_id =3D Int32_val(VAL_CPUPOOL_ID), }; diff --git a/xen/arch/arm/domain.c b/xen/arch/arm/domain.c index be58a23dd7..79a144e61b 100644 --- a/xen/arch/arm/domain.c +++ b/xen/arch/arm/domain.c @@ -693,7 +693,7 @@ int arch_sanitise_domain_config(struct xen_domctl_creat= edomain *config) return -EINVAL; } =20 - if ( config->altp2m_opts ) + if ( config->altp2m.opts ) { dprintk(XENLOG_INFO, "Altp2m not supported\n"); return -EINVAL; diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c index b67342797f..56c3816187 100644 --- a/xen/arch/x86/domain.c +++ b/xen/arch/x86/domain.c @@ -622,7 +622,7 @@ int arch_sanitise_domain_config(struct xen_domctl_creat= edomain *config) bool hap =3D config->flags & XEN_DOMCTL_CDF_hap; bool nested_virt =3D config->flags & XEN_DOMCTL_CDF_nested_virt; unsigned int max_vcpus; - unsigned int altp2m_mode =3D MASK_EXTR(config->altp2m_opts, + unsigned int altp2m_mode =3D MASK_EXTR(config->altp2m.opts, XEN_DOMCTL_ALTP2M_mode_mask); =20 if ( hvm ? !hvm_enabled : !IS_ENABLED(CONFIG_PV) ) @@ -709,7 +709,7 @@ int arch_sanitise_domain_config(struct xen_domctl_creat= edomain *config) return -EINVAL; } =20 - if ( config->altp2m_opts & ~XEN_DOMCTL_ALTP2M_mode_mask ) + if ( config->altp2m.opts & ~XEN_DOMCTL_ALTP2M_mode_mask ) { dprintk(XENLOG_INFO, "Invalid altp2m options selected: %#x\n", config->flags); diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c index 056360d5fe..56c7de3977 100644 --- a/xen/arch/x86/hvm/hvm.c +++ b/xen/arch/x86/hvm/hvm.c @@ -665,7 +665,7 @@ int hvm_domain_initialise(struct domain *d, d->arch.hvm.params[HVM_PARAM_TRIPLE_FAULT_REASON] =3D SHUTDOWN_reboot; =20 /* Set altp2m based on domctl flags. */ - switch ( MASK_EXTR(config->altp2m_opts, XEN_DOMCTL_ALTP2M_mode_mask) ) + switch ( MASK_EXTR(config->altp2m.opts, XEN_DOMCTL_ALTP2M_mode_mask) ) { case XEN_DOMCTL_ALTP2M_mixed: d->arch.hvm.params[HVM_PARAM_ALTP2M] =3D XEN_ALTP2M_mixed; diff --git a/xen/include/public/domctl.h b/xen/include/public/domctl.h index be19ab5e26..a69dd96084 100644 --- a/xen/include/public/domctl.h +++ b/xen/include/public/domctl.h @@ -99,6 +99,7 @@ struct xen_domctl_createdomain { =20 uint32_t grant_opts; =20 + struct { /* * Enable altp2m mixed mode. * @@ -115,7 +116,8 @@ struct xen_domctl_createdomain { /* Altp2m mode signaling uses bits [0, 1]. */ #define XEN_DOMCTL_ALTP2M_mode_mask (0x3U) #define XEN_DOMCTL_ALTP2M_mode(m) ((m) & XEN_DOMCTL_ALTP2M_mode_mask) - uint32_t altp2m_opts; + uint32_t opts; + } altp2m; =20 /* Per-vCPU buffer size in bytes. 0 to disable. */ uint32_t vmtrace_size; --=20 2.34.1