On Wed, 6 Mar 2024 12:57:47 +0530 Ani Sinha <anisi...@redhat.com> wrote:
> > On 05-Mar-2024, at 21:27, Igor Mammedov <imamm...@redhat.com> wrote: > > > > basically moving code around without functional change. > > And exposing some symbols so that they could be shared > > between smbbios.c and new smbios_legacy.c > > > > plus some meson magic to build smbios_legacy.c only > > for 'pc' machine and otherwise replace it with stub > > if not selected. > > When I apply this, I get: > > Applying: smbios: build legacy mode code only for 'pc' machine > .git/rebase-apply/patch:483: new blank line at EOF. > + > warning: 1 line adds whitespace errors. it looks like checkpatch missed that, v3 is on the way as a reply to this > > Can you please look into this? Modulo that, > > > > > Signed-off-by: Igor Mammedov <imamm...@redhat.com> > > Reviewed-by: Ani Sinha <anisi...@redhat.com> > > > --- > > v2: > > moved type0/type1/have_binfile_bitmap/have_fields_bitmap rename into > > a separate patch > > --- > > include/hw/firmware/smbios.h | 5 + > > hw/i386/Kconfig | 1 + > > hw/smbios/Kconfig | 2 + > > hw/smbios/meson.build | 4 + > > hw/smbios/smbios.c | 164 +----------------------------- > > hw/smbios/smbios_legacy.c | 179 +++++++++++++++++++++++++++++++++ > > hw/smbios/smbios_legacy_stub.c | 16 +++ > > 7 files changed, 208 insertions(+), 163 deletions(-) > > create mode 100644 hw/smbios/smbios_legacy.c > > create mode 100644 hw/smbios/smbios_legacy_stub.c > > > > diff --git a/include/hw/firmware/smbios.h b/include/hw/firmware/smbios.h > > index bea5c3f1b1..7f47475aa4 100644 > > --- a/include/hw/firmware/smbios.h > > +++ b/include/hw/firmware/smbios.h > > @@ -17,6 +17,9 @@ > > * > > */ > > > > +extern uint8_t *usr_blobs; > > +extern GArray *usr_blobs_sizes; > > + > > typedef struct { > > const char *vendor, *version, *date; > > bool have_major_minor, uefi; > > @@ -306,6 +309,8 @@ struct smbios_type_127 { > > struct smbios_structure_header header; > > } QEMU_PACKED; > > > > +void smbios_validate_table(void); > > +void smbios_add_usr_blob_size(size_t size); > > void smbios_entry_add(QemuOpts *opts, Error **errp); > > void smbios_set_cpuid(uint32_t version, uint32_t features); > > void smbios_set_defaults(const char *manufacturer, const char *product, > > diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig > > index a1846be6f7..a6ee052f9a 100644 > > --- a/hw/i386/Kconfig > > +++ b/hw/i386/Kconfig > > @@ -76,6 +76,7 @@ config I440FX > > select PIIX > > select DIMM > > select SMBIOS > > + select SMBIOS_LEGACY > > select FW_CFG_DMA > > > > config ISAPC > > diff --git a/hw/smbios/Kconfig b/hw/smbios/Kconfig > > index 553adf4bfc..8d989a2f1b 100644 > > --- a/hw/smbios/Kconfig > > +++ b/hw/smbios/Kconfig > > @@ -1,2 +1,4 @@ > > config SMBIOS > > bool > > +config SMBIOS_LEGACY > > + bool > > diff --git a/hw/smbios/meson.build b/hw/smbios/meson.build > > index 7046967462..a59039f669 100644 > > --- a/hw/smbios/meson.build > > +++ b/hw/smbios/meson.build > > @@ -4,5 +4,9 @@ smbios_ss.add(when: 'CONFIG_IPMI', > > if_true: files('smbios_type_38.c'), > > if_false: files('smbios_type_38-stub.c')) > > > > +smbios_ss.add(when: 'CONFIG_SMBIOS_LEGACY', > > + if_true: files('smbios_legacy.c'), > > + if_false: files('smbios_legacy_stub.c')) > > + > > system_ss.add_all(when: 'CONFIG_SMBIOS', if_true: smbios_ss) > > system_ss.add(when: 'CONFIG_SMBIOS', if_false: files('smbios-stub.c')) > > diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c > > index 86cf66b5ce..fb1f05fcde 100644 > > --- a/hw/smbios/smbios.c > > +++ b/hw/smbios/smbios.c > > @@ -31,38 +31,12 @@ > > #include "hw/pci/pci_device.h" > > #include "smbios_build.h" > > > > -/* legacy structures and constants for <= 2.0 machines */ > > -struct smbios_header { > > - uint16_t length; > > - uint8_t type; > > -} QEMU_PACKED; > > - > > -struct smbios_field { > > - struct smbios_header header; > > - uint8_t type; > > - uint16_t offset; > > - uint8_t data[]; > > -} QEMU_PACKED; > > - > > -struct smbios_table { > > - struct smbios_header header; > > - uint8_t data[]; > > -} QEMU_PACKED; > > - > > -#define SMBIOS_FIELD_ENTRY 0 > > -#define SMBIOS_TABLE_ENTRY 1 > > - > > -static uint8_t *smbios_entries; > > -static size_t smbios_entries_len; > > static bool smbios_uuid_encoded = true; > > -/* end: legacy structures & constants for <= 2.0 machines */ > > - > > /* > > * SMBIOS tables provided by user with '-smbios file=<foo>' option > > */ > > uint8_t *usr_blobs; > > size_t usr_blobs_len; > > -static GArray *usr_blobs_sizes; > > static unsigned usr_table_max; > > static unsigned usr_table_cnt; > > > > @@ -483,7 +457,7 @@ static void smbios_check_type4_count(uint32_t > > expected_t4_count) > > } > > } > > > > -static void smbios_validate_table(void) > > +void smbios_validate_table(void) > > { > > if (smbios_ep_type == SMBIOS_ENTRY_POINT_TYPE_32 && > > smbios_tables_len > SMBIOS_21_MAX_TABLES_LEN) { > > @@ -493,134 +467,6 @@ static void smbios_validate_table(void) > > } > > } > > > > - > > -/* legacy setup functions for <= 2.0 machines */ > > -static void smbios_add_field(int type, int offset, const void *data, > > size_t len) > > -{ > > - struct smbios_field *field; > > - > > - if (!smbios_entries) { > > - smbios_entries_len = sizeof(uint16_t); > > - smbios_entries = g_malloc0(smbios_entries_len); > > - } > > - smbios_entries = g_realloc(smbios_entries, smbios_entries_len + > > - sizeof(*field) + len); > > - field = (struct smbios_field *)(smbios_entries + smbios_entries_len); > > - field->header.type = SMBIOS_FIELD_ENTRY; > > - field->header.length = cpu_to_le16(sizeof(*field) + len); > > - > > - field->type = type; > > - field->offset = cpu_to_le16(offset); > > - memcpy(field->data, data, len); > > - > > - smbios_entries_len += sizeof(*field) + len; > > - (*(uint16_t *)smbios_entries) = > > - cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1); > > -} > > - > > -static void smbios_maybe_add_str(int type, int offset, const char *data) > > -{ > > - if (data) { > > - smbios_add_field(type, offset, data, strlen(data) + 1); > > - } > > -} > > - > > -static void smbios_build_type_0_fields(void) > > -{ > > - smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str), > > - smbios_type0.vendor); > > - smbios_maybe_add_str(0, offsetof(struct smbios_type_0, > > bios_version_str), > > - smbios_type0.version); > > - smbios_maybe_add_str(0, offsetof(struct smbios_type_0, > > - bios_release_date_str), > > - smbios_type0.date); > > - if (smbios_type0.have_major_minor) { > > - smbios_add_field(0, offsetof(struct smbios_type_0, > > - system_bios_major_release), > > - &smbios_type0.major, 1); > > - smbios_add_field(0, offsetof(struct smbios_type_0, > > - system_bios_minor_release), > > - &smbios_type0.minor, 1); > > - } > > -} > > - > > -static void smbios_build_type_1_fields(void) > > -{ > > - smbios_maybe_add_str(1, offsetof(struct smbios_type_1, > > manufacturer_str), > > - smbios_type1.manufacturer); > > - smbios_maybe_add_str(1, offsetof(struct smbios_type_1, > > product_name_str), > > - smbios_type1.product); > > - smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str), > > - smbios_type1.version); > > - smbios_maybe_add_str(1, offsetof(struct smbios_type_1, > > serial_number_str), > > - smbios_type1.serial); > > - smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str), > > - smbios_type1.sku); > > - smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str), > > - smbios_type1.family); > > - if (qemu_uuid_set) { > > - /* We don't encode the UUID in the "wire format" here because this > > - * function is for legacy mode and needs to keep the guest ABI, and > > - * because we don't know what's the SMBIOS version advertised by > > the > > - * BIOS. > > - */ > > - smbios_add_field(1, offsetof(struct smbios_type_1, uuid), > > - &qemu_uuid, 16); > > - } > > -} > > - > > -uint8_t *smbios_get_table_legacy(size_t *length) > > -{ > > - int i; > > - size_t usr_offset; > > - > > - /* also complain if fields were given for types > 1 */ > > - if (find_next_bit(smbios_have_fields_bitmap, > > - SMBIOS_MAX_TYPE + 1, 2) < SMBIOS_MAX_TYPE + 1) { > > - error_report("can't process fields for smbios " > > - "types > 1 on machine versions < 2.1!"); > > - exit(1); > > - } > > - > > - if (test_bit(4, smbios_have_binfile_bitmap)) { > > - error_report("can't process table for smbios " > > - "type 4 on machine versions < 2.1!"); > > - exit(1); > > - } > > - > > - g_free(smbios_entries); > > - smbios_entries_len = sizeof(uint16_t); > > - smbios_entries = g_malloc0(smbios_entries_len); > > - > > - for (i = 0, usr_offset = 0; usr_blobs_sizes && i < > > usr_blobs_sizes->len; > > - i++) > > - { > > - struct smbios_table *table; > > - struct smbios_structure_header *header; > > - size_t size = g_array_index(usr_blobs_sizes, size_t, i); > > - > > - header = (struct smbios_structure_header *)(usr_blobs + > > usr_offset); > > - smbios_entries = g_realloc(smbios_entries, smbios_entries_len + > > - size + sizeof(*table)); > > - table = (struct smbios_table *)(smbios_entries + > > smbios_entries_len); > > - table->header.type = SMBIOS_TABLE_ENTRY; > > - table->header.length = cpu_to_le16(sizeof(*table) + size); > > - memcpy(table->data, header, size); > > - smbios_entries_len += sizeof(*table) + size; > > - (*(uint16_t *)smbios_entries) = > > - cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1); > > - usr_offset += size; > > - } > > - > > - smbios_build_type_0_fields(); > > - smbios_build_type_1_fields(); > > - smbios_validate_table(); > > - *length = smbios_entries_len; > > - return smbios_entries; > > -} > > -/* end: legacy setup functions for <= 2.0 machines */ > > - > > - > > bool smbios_skip_table(uint8_t type, bool required_table) > > { > > if (test_bit(type, smbios_have_binfile_bitmap)) { > > @@ -1279,14 +1125,6 @@ static bool save_opt_list(size_t *ndest, char > > ***dest, QemuOpts *opts, > > return true; > > } > > > > -static void smbios_add_usr_blob_size(size_t size) > > -{ > > - if (!usr_blobs_sizes) { > > - usr_blobs_sizes = g_array_new(false, false, sizeof(size_t)); > > - } > > - g_array_append_val(usr_blobs_sizes, size); > > -} > > - > > void smbios_entry_add(QemuOpts *opts, Error **errp) > > { > > const char *val; > > diff --git a/hw/smbios/smbios_legacy.c b/hw/smbios/smbios_legacy.c > > new file mode 100644 > > index 0000000000..21f143e738 > > --- /dev/null > > +++ b/hw/smbios/smbios_legacy.c > > @@ -0,0 +1,179 @@ > > +/* > > + * SMBIOS legacy support > > + * > > + * Copyright (C) 2009 Hewlett-Packard Development Company, L.P. > > + * Copyright (C) 2013 Red Hat, Inc. > > + * > > + * Authors: > > + * Alex Williamson <alex.william...@hp.com> > > + * Markus Armbruster <arm...@redhat.com> > > + * > > + * This work is licensed under the terms of the GNU GPL, version 2. See > > + * the COPYING file in the top-level directory. > > + * > > + * Contributions after 2012-01-13 are licensed under the terms of the > > + * GNU GPL, version 2 or (at your option) any later version. > > + */ > > + > > +#include "qemu/osdep.h" > > +#include "qemu/bswap.h" > > +#include "hw/firmware/smbios.h" > > +#include "sysemu/sysemu.h" > > +#include "qemu/error-report.h" > > + > > +struct smbios_header { > > + uint16_t length; > > + uint8_t type; > > +} QEMU_PACKED; > > + > > +struct smbios_field { > > + struct smbios_header header; > > + uint8_t type; > > + uint16_t offset; > > + uint8_t data[]; > > +} QEMU_PACKED; > > + > > +struct smbios_table { > > + struct smbios_header header; > > + uint8_t data[]; > > +} QEMU_PACKED; > > + > > +#define SMBIOS_FIELD_ENTRY 0 > > +#define SMBIOS_TABLE_ENTRY 1 > > + > > +static uint8_t *smbios_entries; > > +static size_t smbios_entries_len; > > +GArray *usr_blobs_sizes; > > + > > +void smbios_add_usr_blob_size(size_t size) > > +{ > > + if (!usr_blobs_sizes) { > > + usr_blobs_sizes = g_array_new(false, false, sizeof(size_t)); > > + } > > + g_array_append_val(usr_blobs_sizes, size); > > +} > > + > > +static void smbios_add_field(int type, int offset, const void *data, > > size_t len) > > +{ > > + struct smbios_field *field; > > + > > + if (!smbios_entries) { > > + smbios_entries_len = sizeof(uint16_t); > > + smbios_entries = g_malloc0(smbios_entries_len); > > + } > > + smbios_entries = g_realloc(smbios_entries, smbios_entries_len + > > + sizeof(*field) + len); > > + field = (struct smbios_field *)(smbios_entries + smbios_entries_len); > > + field->header.type = SMBIOS_FIELD_ENTRY; > > + field->header.length = cpu_to_le16(sizeof(*field) + len); > > + > > + field->type = type; > > + field->offset = cpu_to_le16(offset); > > + memcpy(field->data, data, len); > > + > > + smbios_entries_len += sizeof(*field) + len; > > + (*(uint16_t *)smbios_entries) = > > + cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1); > > +} > > + > > +static void smbios_maybe_add_str(int type, int offset, const char *data) > > +{ > > + if (data) { > > + smbios_add_field(type, offset, data, strlen(data) + 1); > > + } > > +} > > + > > +static void smbios_build_type_0_fields(void) > > +{ > > + smbios_maybe_add_str(0, offsetof(struct smbios_type_0, vendor_str), > > + smbios_type0.vendor); > > + smbios_maybe_add_str(0, offsetof(struct smbios_type_0, > > bios_version_str), > > + smbios_type0.version); > > + smbios_maybe_add_str(0, offsetof(struct smbios_type_0, > > + bios_release_date_str), > > + smbios_type0.date); > > + if (smbios_type0.have_major_minor) { > > + smbios_add_field(0, offsetof(struct smbios_type_0, > > + system_bios_major_release), > > + &smbios_type0.major, 1); > > + smbios_add_field(0, offsetof(struct smbios_type_0, > > + system_bios_minor_release), > > + &smbios_type0.minor, 1); > > + } > > +} > > + > > +static void smbios_build_type_1_fields(void) > > +{ > > + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, > > manufacturer_str), > > + smbios_type1.manufacturer); > > + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, > > product_name_str), > > + smbios_type1.product); > > + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str), > > + smbios_type1.version); > > + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, > > serial_number_str), > > + smbios_type1.serial); > > + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str), > > + smbios_type1.sku); > > + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str), > > + smbios_type1.family); > > + if (qemu_uuid_set) { > > + /* > > + * We don't encode the UUID in the "wire format" here because this > > + * function is for legacy mode and needs to keep the guest ABI, and > > + * because we don't know what's the SMBIOS version advertised by > > the > > + * BIOS. > > + */ > > + smbios_add_field(1, offsetof(struct smbios_type_1, uuid), > > + &qemu_uuid, 16); > > + } > > +} > > + > > +uint8_t *smbios_get_table_legacy(size_t *length) > > +{ > > + int i; > > + size_t usr_offset; > > + > > + /* complain if fields were given for types > 1 */ > > + if (find_next_bit(smbios_have_fields_bitmap, > > + SMBIOS_MAX_TYPE + 1, 2) < SMBIOS_MAX_TYPE + 1) { > > + error_report("can't process fields for smbios " > > + "types > 1 on machine versions < 2.1!"); > > + exit(1); > > + } > > + > > + if (test_bit(4, smbios_have_binfile_bitmap)) { > > + error_report("can't process table for smbios " > > + "type 4 on machine versions < 2.1!"); > > + exit(1); > > + } > > + > > + g_free(smbios_entries); > > + smbios_entries_len = sizeof(uint16_t); > > + smbios_entries = g_malloc0(smbios_entries_len); > > + > > + for (i = 0, usr_offset = 0; usr_blobs_sizes && i < > > usr_blobs_sizes->len; > > + i++) > > + { > > + struct smbios_table *table; > > + struct smbios_structure_header *header; > > + size_t size = g_array_index(usr_blobs_sizes, size_t, i); > > + > > + header = (struct smbios_structure_header *)(usr_blobs + > > usr_offset); > > + smbios_entries = g_realloc(smbios_entries, smbios_entries_len + > > + size + sizeof(*table)); > > + table = (struct smbios_table *)(smbios_entries + > > smbios_entries_len); > > + table->header.type = SMBIOS_TABLE_ENTRY; > > + table->header.length = cpu_to_le16(sizeof(*table) + size); > > + memcpy(table->data, header, size); > > + smbios_entries_len += sizeof(*table) + size; > > + (*(uint16_t *)smbios_entries) = > > + cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1); > > + usr_offset += size; > > + } > > + > > + smbios_build_type_0_fields(); > > + smbios_build_type_1_fields(); > > + smbios_validate_table(); > > + *length = smbios_entries_len; > > + return smbios_entries; > > +} > > diff --git a/hw/smbios/smbios_legacy_stub.c b/hw/smbios/smbios_legacy_stub.c > > new file mode 100644 > > index 0000000000..91e6c75029 > > --- /dev/null > > +++ b/hw/smbios/smbios_legacy_stub.c > > @@ -0,0 +1,16 @@ > > +/* > > + * IPMI SMBIOS firmware handling > > + * > > + * Copyright (c) 2024 Igor Mammedov, Red Hat, Inc. > > + * > > + * This work is licensed under the terms of the GNU GPL, version 2 or > > later. > > + * See the COPYING file in the top-level directory. > > + */ > > + > > +#include "qemu/osdep.h" > > +#include "hw/firmware/smbios.h" > > + > > +void smbios_add_usr_blob_size(size_t size) > > +{ > > +} > > + > > -- > > 2.39.3 > > >