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From 84fc607d678bd72397a41d706e91fa241fd97266 Mon Sep 17 00:00:00 2001
From: Igor Mammedov <imammedo@redhat.com>
Date: Wed, 21 Feb 2024 17:00:26 +0000
Subject: [PATCH 04/20] Implement base of SMBIOS type 9 descriptor.
RH-Author: Igor Mammedov <imammedo@redhat.com>
RH-MergeRequest: 230: Workaround Windows failing to find 64bit SMBIOS entry point with SeaBIOS
RH-Jira: RHEL-21705
RH-Acked-by: MST <mst@redhat.com>
RH-Acked-by: Ani Sinha <None>
RH-Commit: [2/18] 2678cc080bfbf3357fa2f94ceaf42fc61b690d32
JIRA: https://issues.redhat.com/browse/RHEL-21705
commit: 735eee07d1f963635d3c3bf9f5e4bf1bc000870e
Author: Felix Wu <flwu@google.com>
Version 2.1+.
Signed-off-by: Felix Wu <flwu@google.com>
Signed-off-by: Nabih Estefan <nabihestefan@google.com>
Message-Id: <20240221170027.1027325-2-nabihestefan@google.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
---
hw/smbios/smbios.c | 99 ++++++++++++++++++++++++++++++++++++
include/hw/firmware/smbios.h | 13 +++++
qemu-options.hx | 3 ++
3 files changed, 115 insertions(+)
diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
index 7bde23e59d..4f5637d445 100644
--- a/hw/smbios/smbios.c
+++ b/hw/smbios/smbios.c
@@ -122,6 +122,16 @@ struct type8_instance {
};
static QTAILQ_HEAD(, type8_instance) type8 = QTAILQ_HEAD_INITIALIZER(type8);
+/* type 9 instance for parsing */
+struct type9_instance {
+ const char *slot_designation;
+ uint8_t slot_type, slot_data_bus_width, current_usage, slot_length,
+ slot_characteristics1, slot_characteristics2;
+ uint16_t slot_id;
+ QTAILQ_ENTRY(type9_instance) next;
+};
+static QTAILQ_HEAD(, type9_instance) type9 = QTAILQ_HEAD_INITIALIZER(type9);
+
static struct {
size_t nvalues;
char **values;
@@ -371,6 +381,54 @@ static const QemuOptDesc qemu_smbios_type8_opts[] = {
},
};
+static const QemuOptDesc qemu_smbios_type9_opts[] = {
+ {
+ .name = "type",
+ .type = QEMU_OPT_NUMBER,
+ .help = "SMBIOS element type",
+ },
+ {
+ .name = "slot_designation",
+ .type = QEMU_OPT_STRING,
+ .help = "string number for reference designation",
+ },
+ {
+ .name = "slot_type",
+ .type = QEMU_OPT_NUMBER,
+ .help = "connector type",
+ },
+ {
+ .name = "slot_data_bus_width",
+ .type = QEMU_OPT_NUMBER,
+ .help = "port type",
+ },
+ {
+ .name = "current_usage",
+ .type = QEMU_OPT_NUMBER,
+ .help = "current usage",
+ },
+ {
+ .name = "slot_length",
+ .type = QEMU_OPT_NUMBER,
+ .help = "system slot length",
+ },
+ {
+ .name = "slot_id",
+ .type = QEMU_OPT_NUMBER,
+ .help = "system slot id",
+ },
+ {
+ .name = "slot_characteristics1",
+ .type = QEMU_OPT_NUMBER,
+ .help = "slot characteristics1, see the spec",
+ },
+ {
+ .name = "slot_characteristics2",
+ .type = QEMU_OPT_NUMBER,
+ .help = "slot characteristics2, see the spec",
+ },
+};
+
static const QemuOptDesc qemu_smbios_type11_opts[] = {
{
.name = "value",
@@ -594,6 +652,7 @@ bool smbios_skip_table(uint8_t type, bool required_table)
#define T2_BASE 0x200
#define T3_BASE 0x300
#define T4_BASE 0x400
+#define T9_BASE 0x900
#define T11_BASE 0xe00
#define T16_BASE 0x1000
@@ -792,6 +851,28 @@ static void smbios_build_type_8_table(void)
}
}
+static void smbios_build_type_9_table(void)
+{
+ unsigned instance = 0;
+ struct type9_instance *t9;
+
+ QTAILQ_FOREACH(t9, &type9, next) {
+ SMBIOS_BUILD_TABLE_PRE(9, T9_BASE + instance, true);
+
+ SMBIOS_TABLE_SET_STR(9, slot_designation, t9->slot_designation);
+ t->slot_type = t9->slot_type;
+ t->slot_data_bus_width = t9->slot_data_bus_width;
+ t->current_usage = t9->current_usage;
+ t->slot_length = t9->slot_length;
+ t->slot_id = t9->slot_id;
+ t->slot_characteristics1 = t9->slot_characteristics1;
+ t->slot_characteristics2 = t9->slot_characteristics2;
+
+ SMBIOS_BUILD_TABLE_POST;
+ instance++;
+ }
+}
+
static void smbios_build_type_11_table(void)
{
char count_str[128];
@@ -1141,6 +1222,7 @@ void smbios_get_tables(MachineState *ms,
}
smbios_build_type_8_table();
+ smbios_build_type_9_table();
smbios_build_type_11_table();
#define MAX_DIMM_SZ (16 * GiB)
@@ -1472,6 +1554,23 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
t8_i->port_type = qemu_opt_get_number(opts, "port_type", 0);
QTAILQ_INSERT_TAIL(&type8, t8_i, next);
return;
+ case 9: {
+ if (!qemu_opts_validate(opts, qemu_smbios_type9_opts, errp)) {
+ return;
+ }
+ struct type9_instance *t;
+ t = g_new0(struct type9_instance, 1);
+ save_opt(&t->slot_designation, opts, "slot_designation");
+ t->slot_type = qemu_opt_get_number(opts, "slot_type", 0);
+ t->slot_data_bus_width = qemu_opt_get_number(opts, "slot_data_bus_width", 0);
+ t->current_usage = qemu_opt_get_number(opts, "current_usage", 0);
+ t->slot_length = qemu_opt_get_number(opts, "slot_length", 0);
+ t->slot_id = qemu_opt_get_number(opts, "slot_id", 0);
+ t->slot_characteristics1 = qemu_opt_get_number(opts, "slot_characteristics1", 0);
+ t->slot_characteristics2 = qemu_opt_get_number(opts, "slot_characteristics2", 0);
+ QTAILQ_INSERT_TAIL(&type9, 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 d24b3ccd32..6bbd5a4c20 100644
--- a/include/hw/firmware/smbios.h
+++ b/include/hw/firmware/smbios.h
@@ -211,6 +211,19 @@ struct smbios_type_8 {
uint8_t port_type;
} QEMU_PACKED;
+/* SMBIOS type 9 - System Slots (v2.1+) */
+struct smbios_type_9 {
+ struct smbios_structure_header header;
+ uint8_t slot_designation;
+ uint8_t slot_type;
+ uint8_t slot_data_bus_width;
+ uint8_t current_usage;
+ uint8_t slot_length;
+ uint16_t slot_id;
+ uint8_t slot_characteristics1;
+ uint8_t slot_characteristics2;
+} 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 0814f43066..94cacc2c63 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2710,6 +2710,9 @@ SRST
``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-id=%d]``
Specify SMBIOS type 4 fields
+``-smbios type=9[,slot_designation=str][,slot_type=%d][,slot_data_bus_width=%d][,current_usage=%d][,slot_length=%d][,slot_id=%d][,slot_characteristics1=%d][,slot_characteristics12=%d]``
+ Specify SMBIOS type 9 fields
+
``-smbios type=11[,value=str][,path=filename]``
Specify SMBIOS type 11 fields
--
2.39.3
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