diff options
Diffstat (limited to 'hw/i386')
| -rw-r--r-- | hw/i386/pc_piix.c | 1 | ||||
| -rw-r--r-- | hw/i386/smbios.c | 339 |
2 files changed, 242 insertions, 98 deletions
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c index 907792b721..c6042c7e23 100644 --- a/hw/i386/pc_piix.c +++ b/hw/i386/pc_piix.c @@ -741,6 +741,7 @@ static QEMUMachine xenfv_machine = { .init = pc_xen_hvm_init, .max_cpus = HVM_MAX_VCPUS, .default_machine_opts = "accel=xen", + .hot_add_cpu = pc_hot_add_cpu, }; #endif diff --git a/hw/i386/smbios.c b/hw/i386/smbios.c index e708cb8919..d3f1ee65c6 100644 --- a/hw/i386/smbios.c +++ b/hw/i386/smbios.c @@ -2,9 +2,11 @@ * SMBIOS Support * * Copyright (C) 2009 Hewlett-Packard Development Company, L.P. + * Copyright (C) 2013 Red Hat, Inc. * * Authors: * Alex Williamson <alex.williamson@hp.com> + * Markus Armbruster <armbru@redhat.com> * * This work is licensed under the terms of the GNU GPL, version 2. See * the COPYING file in the top-level directory. @@ -13,6 +15,7 @@ * GNU GPL, version 2 or (at your option) any later version. */ +#include "qemu/config-file.h" #include "qemu/error-report.h" #include "sysemu/sysemu.h" #include "hw/i386/smbios.h" @@ -41,10 +44,117 @@ struct smbios_table { #define SMBIOS_FIELD_ENTRY 0 #define SMBIOS_TABLE_ENTRY 1 - static uint8_t *smbios_entries; static size_t smbios_entries_len; static int smbios_type4_count = 0; +static bool smbios_immutable; + +static struct { + bool seen; + int headertype; + Location loc; +} first_opt[2]; + +static struct { + const char *vendor, *version, *date; + bool have_major_minor; + uint8_t major, minor; +} type0; + +static struct { + const char *manufacturer, *product, *version, *serial, *sku, *family; + /* uuid is in qemu_uuid[] */ +} type1; + +static QemuOptsList qemu_smbios_opts = { + .name = "smbios", + .head = QTAILQ_HEAD_INITIALIZER(qemu_smbios_opts.head), + .desc = { + /* + * no elements => accept any params + * validation will happen later + */ + { /* end of list */ } + } +}; + +static const QemuOptDesc qemu_smbios_file_opts[] = { + { + .name = "file", + .type = QEMU_OPT_STRING, + .help = "binary file containing an SMBIOS element", + }, + { /* end of list */ } +}; + +static const QemuOptDesc qemu_smbios_type0_opts[] = { + { + .name = "type", + .type = QEMU_OPT_NUMBER, + .help = "SMBIOS element type", + },{ + .name = "vendor", + .type = QEMU_OPT_STRING, + .help = "vendor name", + },{ + .name = "version", + .type = QEMU_OPT_STRING, + .help = "version number", + },{ + .name = "date", + .type = QEMU_OPT_STRING, + .help = "release date", + },{ + .name = "release", + .type = QEMU_OPT_STRING, + .help = "revision number", + }, + { /* end of list */ } +}; + +static const QemuOptDesc qemu_smbios_type1_opts[] = { + { + .name = "type", + .type = QEMU_OPT_NUMBER, + .help = "SMBIOS element type", + },{ + .name = "manufacturer", + .type = QEMU_OPT_STRING, + .help = "manufacturer name", + },{ + .name = "product", + .type = QEMU_OPT_STRING, + .help = "product name", + },{ + .name = "version", + .type = QEMU_OPT_STRING, + .help = "version number", + },{ + .name = "serial", + .type = QEMU_OPT_STRING, + .help = "serial number", + },{ + .name = "uuid", + .type = QEMU_OPT_STRING, + .help = "UUID", + },{ + .name = "sku", + .type = QEMU_OPT_STRING, + .help = "SKU number", + },{ + .name = "family", + .type = QEMU_OPT_STRING, + .help = "family name", + }, + { /* end of list */ } +}; + +static void smbios_register_config(void) +{ + qemu_add_opts(&qemu_smbios_opts); +} + +machine_init(smbios_register_config); static void smbios_validate_table(void) { @@ -54,57 +164,33 @@ static void smbios_validate_table(void) } } -uint8_t *smbios_get_table(size_t *length) -{ - smbios_validate_table(); - *length = smbios_entries_len; - return smbios_entries; -} - /* * To avoid unresolvable overlaps in data, don't allow both * tables and fields for the same smbios type. */ static void smbios_check_collision(int type, int entry) { - uint16_t *num_entries = (uint16_t *)smbios_entries; - struct smbios_header *header; - char *p; - int i; - - if (!num_entries) - return; - - p = (char *)(num_entries + 1); - - for (i = 0; i < *num_entries; i++) { - header = (struct smbios_header *)p; - if (entry == SMBIOS_TABLE_ENTRY && header->type == SMBIOS_FIELD_ENTRY) { - struct smbios_field *field = (void *)header; - if (type == field->type) { - error_report("SMBIOS type %d field already defined, " - "cannot add table", type); - exit(1); - } - } else if (entry == SMBIOS_FIELD_ENTRY && - header->type == SMBIOS_TABLE_ENTRY) { - struct smbios_structure_header *table = (void *)(header + 1); - if (type == table->type) { - error_report("SMBIOS type %d table already defined, " - "cannot add field", type); + if (type < ARRAY_SIZE(first_opt)) { + if (first_opt[type].seen) { + if (first_opt[type].headertype != entry) { + error_report("Can't mix file= and type= for same type"); + loc_push_restore(&first_opt[type].loc); + error_report("This is the conflicting setting"); + loc_pop(&first_opt[type].loc); exit(1); } + } else { + first_opt[type].seen = true; + first_opt[type].headertype = entry; + loc_save(&first_opt[type].loc); } - p += le16_to_cpu(header->length); } } -void smbios_add_field(int type, int offset, const void *data, size_t len) +static void smbios_add_field(int type, int offset, const void *data, size_t len) { struct smbios_field *field; - smbios_check_collision(type, SMBIOS_FIELD_ENTRY); - if (!smbios_entries) { smbios_entries_len = sizeof(uint16_t); smbios_entries = g_malloc0(smbios_entries_len); @@ -124,76 +210,94 @@ void smbios_add_field(int type, int offset, const void *data, size_t len) cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1); } -static void smbios_build_type_0_fields(const char *t) +static void smbios_maybe_add_str(int type, int offset, const char *data) { - char buf[1024]; - unsigned char major, minor; - - if (get_param_value(buf, sizeof(buf), "vendor", t)) - smbios_add_field(0, offsetof(struct smbios_type_0, vendor_str), - buf, strlen(buf) + 1); - if (get_param_value(buf, sizeof(buf), "version", t)) - smbios_add_field(0, offsetof(struct smbios_type_0, bios_version_str), - buf, strlen(buf) + 1); - if (get_param_value(buf, sizeof(buf), "date", t)) - smbios_add_field(0, offsetof(struct smbios_type_0, + 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), + type0.vendor); + smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_version_str), + type0.version); + smbios_maybe_add_str(0, offsetof(struct smbios_type_0, bios_release_date_str), - buf, strlen(buf) + 1); - if (get_param_value(buf, sizeof(buf), "release", t)) { - if (sscanf(buf, "%hhu.%hhu", &major, &minor) != 2) { - error_report("Invalid release"); - exit(1); - } + type0.date); + if (type0.have_major_minor) { smbios_add_field(0, offsetof(struct smbios_type_0, system_bios_major_release), - &major, 1); + &type0.major, 1); smbios_add_field(0, offsetof(struct smbios_type_0, system_bios_minor_release), - &minor, 1); + &type0.minor, 1); } } -static void smbios_build_type_1_fields(const char *t) +static void smbios_build_type_1_fields(void) { - char buf[1024]; - - if (get_param_value(buf, sizeof(buf), "manufacturer", t)) - smbios_add_field(1, offsetof(struct smbios_type_1, manufacturer_str), - buf, strlen(buf) + 1); - if (get_param_value(buf, sizeof(buf), "product", t)) - smbios_add_field(1, offsetof(struct smbios_type_1, product_name_str), - buf, strlen(buf) + 1); - if (get_param_value(buf, sizeof(buf), "version", t)) - smbios_add_field(1, offsetof(struct smbios_type_1, version_str), - buf, strlen(buf) + 1); - if (get_param_value(buf, sizeof(buf), "serial", t)) - smbios_add_field(1, offsetof(struct smbios_type_1, serial_number_str), - buf, strlen(buf) + 1); - if (get_param_value(buf, sizeof(buf), "uuid", t)) { - if (qemu_uuid_parse(buf, qemu_uuid) != 0) { - error_report("Invalid UUID"); - exit(1); - } + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, manufacturer_str), + type1.manufacturer); + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, product_name_str), + type1.product); + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, version_str), + type1.version); + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, serial_number_str), + type1.serial); + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, sku_number_str), + type1.sku); + smbios_maybe_add_str(1, offsetof(struct smbios_type_1, family_str), + type1.family); + if (qemu_uuid_set) { + smbios_add_field(1, offsetof(struct smbios_type_1, uuid), + qemu_uuid, 16); + } +} + +uint8_t *smbios_get_table(size_t *length) +{ + if (!smbios_immutable) { + smbios_build_type_0_fields(); + smbios_build_type_1_fields(); + smbios_validate_table(); + smbios_immutable = true; + } + *length = smbios_entries_len; + return smbios_entries; +} + +static void save_opt(const char **dest, QemuOpts *opts, const char *name) +{ + const char *val = qemu_opt_get(opts, name); + + if (val) { + *dest = val; } - if (get_param_value(buf, sizeof(buf), "sku", t)) - smbios_add_field(1, offsetof(struct smbios_type_1, sku_number_str), - buf, strlen(buf) + 1); - if (get_param_value(buf, sizeof(buf), "family", t)) - smbios_add_field(1, offsetof(struct smbios_type_1, family_str), - buf, strlen(buf) + 1); } -int smbios_entry_add(const char *t) +void smbios_entry_add(QemuOpts *opts) { - char buf[1024]; + Error *local_err = NULL; + const char *val; - if (get_param_value(buf, sizeof(buf), "file", t)) { + assert(!smbios_immutable); + val = qemu_opt_get(opts, "file"); + if (val) { struct smbios_structure_header *header; struct smbios_table *table; - int size = get_image_size(buf); + int size; + qemu_opts_validate(opts, qemu_smbios_file_opts, &local_err); + if (local_err) { + error_report("%s", error_get_pretty(local_err)); + exit(1); + } + + size = get_image_size(val); if (size == -1 || size < sizeof(struct smbios_structure_header)) { - error_report("Cannot read SMBIOS file %s", buf); + error_report("Cannot read SMBIOS file %s", val); exit(1); } @@ -208,8 +312,8 @@ int smbios_entry_add(const char *t) table->header.type = SMBIOS_TABLE_ENTRY; table->header.length = cpu_to_le16(sizeof(*table) + size); - if (load_image(buf, table->data) != size) { - error_report("Failed to load SMBIOS file %s", buf); + if (load_image(val, table->data) != size) { + error_report("Failed to load SMBIOS file %s", val); exit(1); } @@ -222,18 +326,57 @@ int smbios_entry_add(const char *t) smbios_entries_len += sizeof(*table) + size; (*(uint16_t *)smbios_entries) = cpu_to_le16(le16_to_cpu(*(uint16_t *)smbios_entries) + 1); - return 0; + return; } - if (get_param_value(buf, sizeof(buf), "type", t)) { - unsigned long type = strtoul(buf, NULL, 0); + val = qemu_opt_get(opts, "type"); + if (val) { + unsigned long type = strtoul(val, NULL, 0); + + smbios_check_collision(type, SMBIOS_FIELD_ENTRY); + switch (type) { case 0: - smbios_build_type_0_fields(t); - return 0; + qemu_opts_validate(opts, qemu_smbios_type0_opts, &local_err); + if (local_err) { + error_report("%s", error_get_pretty(local_err)); + exit(1); + } + save_opt(&type0.vendor, opts, "vendor"); + save_opt(&type0.version, opts, "version"); + save_opt(&type0.date, opts, "date"); + + val = qemu_opt_get(opts, "release"); + if (val) { + if (sscanf(val, "%hhu.%hhu", &type0.major, &type0.minor) != 2) { + error_report("Invalid release"); + exit(1); + } + type0.have_major_minor = true; + } + return; case 1: - smbios_build_type_1_fields(t); - return 0; + qemu_opts_validate(opts, qemu_smbios_type1_opts, &local_err); + if (local_err) { + error_report("%s", error_get_pretty(local_err)); + exit(1); + } + save_opt(&type1.manufacturer, opts, "manufacturer"); + save_opt(&type1.product, opts, "product"); + save_opt(&type1.version, opts, "version"); + save_opt(&type1.serial, opts, "serial"); + save_opt(&type1.sku, opts, "sku"); + save_opt(&type1.family, opts, "family"); + + val = qemu_opt_get(opts, "uuid"); + if (val) { + if (qemu_uuid_parse(val, qemu_uuid) != 0) { + error_report("Invalid UUID"); + exit(1); + } + qemu_uuid_set = true; + } + return; default: error_report("Don't know how to build fields for SMBIOS type %ld", type); @@ -242,5 +385,5 @@ int smbios_entry_add(const char *t) } error_report("Must specify type= or file="); - return -1; + exit(1); } |