Current smbios builds type 19 table from e820, which is x86 specific. This patch removes smbios' dependency on e820 by passing an array of memory area to smbios_get_tables().
Signed-off-by: Wei Huang <w...@redhat.com> --- hw/i386/pc.c | 18 +++++++++++++++++- hw/i386/smbios.c | 14 +++++++------- include/hw/i386/smbios.h | 10 +++++++++- 3 files changed, 33 insertions(+), 9 deletions(-) diff --git a/hw/i386/pc.c b/hw/i386/pc.c index 00e45f3..34e9133 100644 --- a/hw/i386/pc.c +++ b/hw/i386/pc.c @@ -722,6 +722,8 @@ static void pc_build_smbios(FWCfgState *fw_cfg) { uint8_t *smbios_tables, *smbios_anchor; size_t smbios_tables_len, smbios_anchor_len; + struct smbios_phys_mem_area *mem_array; + unsigned i, array_count; smbios_tables = smbios_get_table_legacy(&smbios_tables_len); if (smbios_tables) { @@ -729,8 +731,22 @@ static void pc_build_smbios(FWCfgState *fw_cfg) smbios_tables, smbios_tables_len); } - smbios_get_tables(&smbios_tables, &smbios_tables_len, + /* build the array of physical mem area from e820 table */ + mem_array = g_malloc0(sizeof(*mem_array) * e820_get_num_entries()); + for (i = 0, array_count = 0; i < e820_get_num_entries(); i++) { + uint64_t addr, len; + + if (e820_get_entry(i, E820_RAM, &addr, &len)) { + mem_array[array_count].address = addr; + mem_array[array_count].length = len; + array_count++; + } + } + smbios_get_tables(mem_array, array_count, + &smbios_tables, &smbios_tables_len, &smbios_anchor, &smbios_anchor_len); + g_free(mem_array); + if (smbios_anchor) { fw_cfg_add_file(fw_cfg, "etc/smbios/smbios-tables", smbios_tables, smbios_tables_len); diff --git a/hw/i386/smbios.c b/hw/i386/smbios.c index 1341e02..6f715c6 100644 --- a/hw/i386/smbios.c +++ b/hw/i386/smbios.c @@ -831,10 +831,12 @@ static void smbios_entry_point_setup(void) ep.structure_table_address = cpu_to_le32(0); } -void smbios_get_tables(uint8_t **tables, size_t *tables_len, +void smbios_get_tables(const struct smbios_phys_mem_area *mem_array, + const unsigned int mem_array_size, + uint8_t **tables, size_t *tables_len, uint8_t **anchor, size_t *anchor_len) { - unsigned i, dimm_cnt, instance; + unsigned i, dimm_cnt; if (smbios_legacy) { *tables = *anchor = NULL; @@ -867,11 +869,9 @@ void smbios_get_tables(uint8_t **tables, size_t *tables_len, smbios_build_type_17_table(i, GET_DIMM_SZ); } - for (i = 0, instance = 0; i < e820_get_num_entries(); i++) { - uint64_t address, length; - if (e820_get_entry(i, E820_RAM, &address, &length)) { - smbios_build_type_19_table(instance++, address, length); - } + for (i = 0; i < mem_array_size; i++) { + smbios_build_type_19_table(i, mem_array[i].address, + mem_array[i].length); } smbios_build_type_32_table(); diff --git a/include/hw/i386/smbios.h b/include/hw/i386/smbios.h index d2850be..4269aab 100644 --- a/include/hw/i386/smbios.h +++ b/include/hw/i386/smbios.h @@ -17,13 +17,21 @@ #define SMBIOS_MAX_TYPE 127 +/* memory area description, used by type 19 table */ +struct smbios_phys_mem_area { + uint64_t address; + uint64_t length; +}; + void smbios_entry_add(QemuOpts *opts); void smbios_set_cpuid(uint32_t version, uint32_t features); void smbios_set_defaults(const char *manufacturer, const char *product, const char *version, bool legacy_mode, bool uuid_encoded); uint8_t *smbios_get_table_legacy(size_t *length); -void smbios_get_tables(uint8_t **tables, size_t *tables_len, +void smbios_get_tables(const struct smbios_phys_mem_area *mem_array, + const unsigned int mem_array_size, + uint8_t **tables, size_t *tables_len, uint8_t **anchor, size_t *anchor_len); /* -- 1.8.3.1