* [PATCH 1/2] Implement base of SMBIOS type 9 descriptor.
2024-02-21 17:00 [PATCH 0/2] SMBIOS type 9 descriptor implementation Nabih Estefan
@ 2024-02-21 17:00 ` Nabih Estefan
2024-02-21 17:00 ` [PATCH 2/2] Implement SMBIOS type 9 v2.6 Nabih Estefan
2024-03-04 21:11 ` [PATCH 0/2] SMBIOS type 9 descriptor implementation Nabih Estefan
2 siblings, 0 replies; 4+ messages in thread
From: Nabih Estefan @ 2024-02-21 17:00 UTC (permalink / raw)
To: peter.maydell
Cc: qemu-arm, qemu-devel, qemu-block, its, kbusch, eric.auger, mst,
imammedo, anisinha, flwu, nabihestefan
From: Felix Wu <flwu@google.com>
Version 2.1+.
Signed-off-by: Felix Wu <flwu@google.com>
Signed-off-by: Nabih Estefan <nabihestefan@google.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 a3c4e52ce9..38b3ea172c 100644
--- a/hw/smbios/smbios.c
+++ b/hw/smbios/smbios.c
@@ -121,6 +121,16 @@ 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;
@@ -380,6 +390,54 @@ static const QemuOptDesc qemu_smbios_type8_opts[] = {
{ /* end of list */ }
};
+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 = "type",
@@ -609,6 +667,7 @@ 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
@@ -807,6 +866,28 @@ 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];
@@ -1126,6 +1207,7 @@ 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)
@@ -1460,6 +1542,23 @@ 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 6e514982d4..9ab114aea2 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 8547254dbf..9ddb1b1fb3 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2717,6 +2717,9 @@ SRST
``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-family=%d][,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
--
2.44.0.rc0.258.g7320e95886-goog
^ permalink raw reply related [flat|nested] 4+ messages in thread* [PATCH 2/2] Implement SMBIOS type 9 v2.6
2024-02-21 17:00 [PATCH 0/2] SMBIOS type 9 descriptor implementation Nabih Estefan
2024-02-21 17:00 ` [PATCH 1/2] Implement base of SMBIOS type 9 descriptor Nabih Estefan
@ 2024-02-21 17:00 ` Nabih Estefan
2024-03-04 21:11 ` [PATCH 0/2] SMBIOS type 9 descriptor implementation Nabih Estefan
2 siblings, 0 replies; 4+ messages in thread
From: Nabih Estefan @ 2024-02-21 17:00 UTC (permalink / raw)
To: peter.maydell
Cc: qemu-arm, qemu-devel, qemu-block, its, kbusch, eric.auger, mst,
imammedo, anisinha, flwu, nabihestefan
From: Felix Wu <flwu@google.com>
Signed-off-by: Felix Wu <flwu@google.com>
Signed-off-by: Nabih Estefan <nabihestefan@google.com>
---
hw/smbios/smbios.c | 49 +++++++++++++++++++++++++++++++++---
include/hw/firmware/smbios.h | 4 +++
qemu-options.hx | 2 +-
3 files changed, 51 insertions(+), 4 deletions(-)
diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
index 38b3ea172c..e3d5d8f2e2 100644
--- a/hw/smbios/smbios.c
+++ b/hw/smbios/smbios.c
@@ -123,7 +123,7 @@ static QTAILQ_HEAD(, type8_instance) type8 = QTAILQ_HEAD_INITIALIZER(type8);
/* type 9 instance for parsing */
struct type9_instance {
- const char *slot_designation;
+ const char *slot_designation, *pcidev;
uint8_t slot_type, slot_data_bus_width, current_usage, slot_length,
slot_characteristics1, slot_characteristics2;
uint16_t slot_id;
@@ -436,6 +436,11 @@ static const QemuOptDesc qemu_smbios_type9_opts[] = {
.type = QEMU_OPT_NUMBER,
.help = "slot characteristics2, see the spec",
},
+ {
+ .name = "pci_device",
+ .type = QEMU_OPT_STRING,
+ .help = "PCI device, if provided."
+ }
};
static const QemuOptDesc qemu_smbios_type11_opts[] = {
@@ -866,7 +871,7 @@ static void smbios_build_type_8_table(void)
}
}
-static void smbios_build_type_9_table(void)
+static void smbios_build_type_9_table(Error **errp)
{
unsigned instance = 0;
struct type9_instance *t9;
@@ -883,6 +888,43 @@ static void smbios_build_type_9_table(void)
t->slot_characteristics1 = t9->slot_characteristics1;
t->slot_characteristics2 = t9->slot_characteristics2;
+ if (t9->pcidev) {
+ PCIDevice *pdev = NULL;
+ int rc = pci_qdev_find_device(t9->pcidev, &pdev);
+ if (rc != 0) {
+ error_setg(errp,
+ "No PCI device %s for SMBIOS type 9 entry %s",
+ t9->pcidev, t9->slot_designation);
+ return;
+ }
+ /*
+ * We only handle the case were the device is attached to
+ * the PCI root bus. The general case is more complex as
+ * bridges are enumerated later and the table would need
+ * to be updated at this moment.
+ */
+ if (!pci_bus_is_root(pci_get_bus(pdev))) {
+ error_setg(errp,
+ "Cannot create type 9 entry for PCI device %s: "
+ "not attached to the root bus",
+ t9->pcidev);
+ return;
+ }
+ t->segment_group_number = cpu_to_le16(0);
+ t->bus_number = pci_dev_bus_num(pdev);
+ t->device_number = pdev->devfn;
+ } else {
+ /*
+ * Per SMBIOS spec, For slots that are not of the PCI, AGP, PCI-X,
+ * or PCI-Express type that do not have bus/device/function
+ * information, 0FFh should be populated in the fields of Segment
+ * Group Number, Bus Number, Device/Function Number.
+ */
+ t->segment_group_number = 0xff;
+ t->bus_number = 0xff;
+ t->device_number = 0xff;
+ }
+
SMBIOS_BUILD_TABLE_POST;
instance++;
}
@@ -1207,7 +1249,7 @@ void smbios_get_tables(MachineState *ms,
}
smbios_build_type_8_table();
- smbios_build_type_9_table();
+ smbios_build_type_9_table(errp);
smbios_build_type_11_table();
#define MAX_DIMM_SZ (16 * GiB)
@@ -1556,6 +1598,7 @@ void smbios_entry_add(QemuOpts *opts, Error **errp)
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);
+ save_opt(&t->pcidev, opts, "pcidev");
QTAILQ_INSERT_TAIL(&type9, t, next);
return;
}
diff --git a/include/hw/firmware/smbios.h b/include/hw/firmware/smbios.h
index 9ab114aea2..c21b8d3285 100644
--- a/include/hw/firmware/smbios.h
+++ b/include/hw/firmware/smbios.h
@@ -222,6 +222,10 @@ struct smbios_type_9 {
uint16_t slot_id;
uint8_t slot_characteristics1;
uint8_t slot_characteristics2;
+ /* SMBIOS spec v2.6+ */
+ uint16_t segment_group_number;
+ uint8_t bus_number;
+ uint8_t device_number;
} QEMU_PACKED;
/* SMBIOS type 11 - OEM strings */
diff --git a/qemu-options.hx b/qemu-options.hx
index 9ddb1b1fb3..6a16b808cf 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2717,7 +2717,7 @@ SRST
``-smbios type=4[,sock_pfx=str][,manufacturer=str][,version=str][,serial=str][,asset=str][,part=str][,processor-family=%d][,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]``
+``-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][,pci_device=str]``
Specify SMBIOS type 9 fields
``-smbios type=11[,value=str][,path=filename]``
--
2.44.0.rc0.258.g7320e95886-goog
^ permalink raw reply related [flat|nested] 4+ messages in thread