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Tsirkin" , Igor Mammedov , Ani Sinha Subject: [PATCH v2] hw/smbios: support for type 8 (port connector) Date: Fri, 12 Aug 2022 15:51:53 +0200 Message-Id: <20220812135153.17859-1-hal.martin@gmail.com> X-Mailer: git-send-email 2.36.1 MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::729; envelope-from=hal.martin@gmail.com; helo=mail-qk1-x729.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1660312394085100001 Content-Type: text/plain; charset="utf-8" PATCH v1: add support for SMBIOS type 8 to qemu PATCH v2: incorporate patch v1 feedback and add smbios type=3D8 to qemu-opt= ions internal_reference: internal reference designator external_reference: external reference designator connector_type: hex value for port connector type (see SMBIOS 7.9.2) port_type: hex value for port type (see SMBIOS 7.9.3) After studying various vendor implementationsi (Dell, Lenovo, MSI), the value of internal connector type was hard-coded to 0x0 (None). Example usage: -smbios type=3D8,internal_reference=3DJUSB1,external_reference=3DUSB1,conne= ctor_type=3D0x12,port_type=3D0x10 \ -smbios type=3D8,internal_reference=3DJAUD1,external_reference=3D"Audio Jac= k",connector_type=3D0x1f,port_type=3D0x1d \ -smbios type=3D8,internal_reference=3DLAN,external_reference=3DEthernet,con= nector_type=3D0x0b,port_type=3D0x1f \ -smbios type=3D8,internal_reference=3DPS2,external_reference=3DMouse,connec= tor_type=3D0x0f,port_type=3D0x0e \ -smbios type=3D8,internal_reference=3DPS2,external_reference=3DKeyboard,con= nector_type=3D0x0f,port_type=3D0x0d Signed-off-by: Hal Martin --- hw/smbios/smbios.c | 63 ++++++++++++++++++++++++++++++++++++ include/hw/firmware/smbios.h | 10 ++++++ qemu-options.hx | 2 ++ 3 files changed, 75 insertions(+) diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c index 60349ee402..578cae0f0a 100644 --- a/hw/smbios/smbios.c +++ b/hw/smbios/smbios.c @@ -111,6 +111,13 @@ static struct { .processor_id =3D 0, }; =20 +struct type8_instance { + const char *internal_reference, *external_reference; + uint8_t connector_type, port_type; + QTAILQ_ENTRY(type8_instance) next; +}; +static QTAILQ_HEAD(, type8_instance) type8 =3D QTAILQ_HEAD_INITIALIZER(typ= e8); + static struct { size_t nvalues; char **values; @@ -337,6 +344,29 @@ static const QemuOptDesc qemu_smbios_type4_opts[] =3D { { /* end of list */ } }; =20 +static const QemuOptDesc qemu_smbios_type8_opts[] =3D { + { + .name =3D "internal_reference", + .type =3D QEMU_OPT_STRING, + .help =3D "internal reference designator", + }, + { + .name =3D "external_reference", + .type =3D QEMU_OPT_STRING, + .help =3D "external reference designator", + }, + { + .name =3D "connector_type", + .type =3D QEMU_OPT_NUMBER, + .help =3D "connector type", + }, + { + .name =3D "port_type", + .type =3D QEMU_OPT_NUMBER, + .help =3D "port type", + }, +}; + static const QemuOptDesc qemu_smbios_type11_opts[] =3D { { .name =3D "value", @@ -718,6 +748,26 @@ static void smbios_build_type_4_table(MachineState *ms= , unsigned instance) smbios_type4_count++; } =20 +static void smbios_build_type_8_table(void) +{ + unsigned instance =3D 0; + struct type8_instance *t8; + + QTAILQ_FOREACH(t8, &type8, next) { + SMBIOS_BUILD_TABLE_PRE(8, T0_BASE + instance, true); + + SMBIOS_TABLE_SET_STR(8, internal_reference_str, t8->internal_refer= ence); + SMBIOS_TABLE_SET_STR(8, external_reference_str, t8->external_refer= ence); + /* most vendors seem to set this to None */ + t->internal_connector_type =3D 0x0; + t->external_connector_type =3D t8->connector_type; + t->port_type =3D t8->port_type; + + SMBIOS_BUILD_TABLE_POST; + instance++; + } +} + static void smbios_build_type_11_table(void) { char count_str[128]; @@ -1030,6 +1080,7 @@ void smbios_get_tables(MachineState *ms, smbios_build_type_4_table(ms, i); } =20 + smbios_build_type_8_table(); smbios_build_type_11_table(); =20 #define MAX_DIMM_SZ (16 * GiB) @@ -1346,6 +1397,18 @@ void smbios_entry_add(QemuOpts *opts, Error **errp) UINT16_MAX); } return; + case 8: + if (!qemu_opts_validate(opts, qemu_smbios_type8_opts, errp)) { + return; + } + struct type8_instance *t; + t =3D g_new0(struct type8_instance, 1); + save_opt(&t->internal_reference, opts, "internal_reference"); + save_opt(&t->external_reference, opts, "external_reference"); + t->connector_type =3D qemu_opt_get_number(opts, "connector_typ= e", 0); + t->port_type =3D qemu_opt_get_number(opts, "port_type", 0); + QTAILQ_INSERT_TAIL(&type8, t, next); + return; case 11: if (!qemu_opts_validate(opts, qemu_smbios_type11_opts, errp)) { return; diff --git a/include/hw/firmware/smbios.h b/include/hw/firmware/smbios.h index 4b7ad77a44..e7d386f7c8 100644 --- a/include/hw/firmware/smbios.h +++ b/include/hw/firmware/smbios.h @@ -189,6 +189,16 @@ struct smbios_type_4 { uint16_t processor_family2; } QEMU_PACKED; =20 +/* SMBIOS type 8 - Port Connector Information */ +struct smbios_type_8 { + struct smbios_structure_header header; + uint8_t internal_reference_str; + uint8_t internal_connector_type; + uint8_t external_reference_str; + uint8_t external_connector_type; + uint8_t port_type; +} QEMU_PACKED; + /* SMBIOS type 11 - OEM strings */ struct smbios_type_11 { struct smbios_structure_header header; diff --git a/qemu-options.hx b/qemu-options.hx index 377d22fbd8..a27ab6afee 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -2538,6 +2538,8 @@ DEF("smbios", HAS_ARG, QEMU_OPTION_smbios, " [,asset=3Dstr][,part=3Dstr][,max-speed=3D%d][,current-s= peed=3D%d]\n" " [,processor-id=3D%d]\n" " specify SMBIOS type 4 fields\n" + "-smbios type=3D8[,external_reference=3Dstr][,internal_reference=3Dstr= ][,connector_type=3D%d][,port_type=3D%d]\n" + " specify SMBIOS type 8 fields\n" "-smbios type=3D11[,value=3Dstr][,path=3Dfilename]\n" " specify SMBIOS type 11 fields\n" "-smbios type=3D17[,loc_pfx=3Dstr][,bank=3Dstr][,manufacturer=3Dstr][,= serial=3Dstr]\n" --=20 2.36.1