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authorCorey Minyard <cminyard@mvista.com>2016-06-10 04:15:41 -0500
committerMichael S. Tsirkin <mst@redhat.com>2016-06-24 05:13:57 +0300
commit35658f6e0c3dacfdb22198ee3917c0c28914d81d (patch)
tree06de055bdad6dccc30c2a14ecfe36eff4f453d45 /hw/smbios
parent0517cc9863bd4753be56d47da1a568538069e19f (diff)
ipmi: Add SMBIOS table entry
Add an IPMI table entry to the SMBIOS. Signed-off-by: Corey Minyard <cminyard@mvista.com> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/smbios')
-rw-r--r--hw/smbios/Makefile.objs1
-rw-r--r--hw/smbios/smbios.c2
-rw-r--r--hw/smbios/smbios_type_38.c117
3 files changed, 120 insertions, 0 deletions
diff --git a/hw/smbios/Makefile.objs b/hw/smbios/Makefile.objs
index f69a92f967..c3d3753602 100644
--- a/hw/smbios/Makefile.objs
+++ b/hw/smbios/Makefile.objs
@@ -1 +1,2 @@
common-obj-$(CONFIG_SMBIOS) += smbios.o
+common-obj-$(call land,$(CONFIG_SMBIOS),$(CONFIG_IPMI)) += smbios_type_38.o
diff --git a/hw/smbios/smbios.c b/hw/smbios/smbios.c
index 5dc3e43aa8..74c7102929 100644
--- a/hw/smbios/smbios.c
+++ b/hw/smbios/smbios.c
@@ -25,6 +25,7 @@
#include "hw/loader.h"
#include "exec/cpu-common.h"
#include "smbios_build.h"
+#include "hw/smbios/ipmi.h"
/* legacy structures and constants for <= 2.0 machines */
struct smbios_header {
@@ -848,6 +849,7 @@ void smbios_get_tables(const struct smbios_phys_mem_area *mem_array,
}
smbios_build_type_32_table();
+ smbios_build_type_38_table();
smbios_build_type_127_table();
smbios_validate_table();
diff --git a/hw/smbios/smbios_type_38.c b/hw/smbios/smbios_type_38.c
new file mode 100644
index 0000000000..56e8609c00
--- /dev/null
+++ b/hw/smbios/smbios_type_38.c
@@ -0,0 +1,117 @@
+/*
+ * IPMI SMBIOS firmware handling
+ *
+ * Copyright (c) 2015,2016 Corey Minyard, MontaVista Software, LLC
+ *
+ * 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/ipmi/ipmi.h"
+#include "hw/smbios/ipmi.h"
+#include "hw/smbios/smbios.h"
+#include "qemu/error-report.h"
+#include "smbios_build.h"
+
+/* SMBIOS type 38 - IPMI */
+struct smbios_type_38 {
+ struct smbios_structure_header header;
+ uint8_t interface_type;
+ uint8_t ipmi_spec_revision;
+ uint8_t i2c_slave_address;
+ uint8_t nv_storage_device_address;
+ uint64_t base_address;
+ uint8_t base_address_modifier;
+ uint8_t interrupt_number;
+} QEMU_PACKED;
+
+static void smbios_build_one_type_38(IPMIFwInfo *info)
+{
+ uint64_t baseaddr = info->base_address;
+ SMBIOS_BUILD_TABLE_PRE(38, 0x3000, true);
+
+ t->interface_type = info->interface_type;
+ t->ipmi_spec_revision = ((info->ipmi_spec_major_revision << 4)
+ | info->ipmi_spec_minor_revision);
+ t->i2c_slave_address = info->i2c_slave_address;
+ t->nv_storage_device_address = 0;
+
+ assert(info->ipmi_spec_minor_revision <= 15);
+ assert(info->ipmi_spec_major_revision <= 15);
+
+ /* or 1 to set it to I/O space */
+ switch (info->memspace) {
+ case IPMI_MEMSPACE_IO:
+ baseaddr |= 1;
+ break;
+ case IPMI_MEMSPACE_MEM32:
+ case IPMI_MEMSPACE_MEM64:
+ break;
+ case IPMI_MEMSPACE_SMBUS:
+ baseaddr <<= 1;
+ break;
+ }
+
+ t->base_address = cpu_to_le64(baseaddr);
+
+ t->base_address_modifier = 0;
+ if (info->irq_type == IPMI_LEVEL_IRQ) {
+ t->base_address_modifier |= 1;
+ }
+ switch (info->register_spacing) {
+ case 1:
+ break;
+ case 4:
+ t->base_address_modifier |= 1 << 6;
+ break;
+ case 16:
+ t->base_address_modifier |= 2 << 6;
+ break;
+ default:
+ error_report("IPMI register spacing %d is not compatible with"
+ " SMBIOS, ignoring this entry.", info->register_spacing);
+ return;
+ }
+ t->interrupt_number = info->interrupt_number;
+
+ SMBIOS_BUILD_TABLE_POST;
+}
+
+static void smbios_add_ipmi_devices(BusState *bus)
+{
+ BusChild *kid;
+
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
+ Object *obj = object_dynamic_cast(OBJECT(dev), TYPE_IPMI_INTERFACE);
+ BusState *childbus;
+
+ if (obj) {
+ IPMIInterface *ii;
+ IPMIInterfaceClass *iic;
+ IPMIFwInfo info;
+
+ ii = IPMI_INTERFACE(obj);
+ iic = IPMI_INTERFACE_GET_CLASS(obj);
+ memset(&info, 0, sizeof(info));
+ iic->get_fwinfo(ii, &info);
+ smbios_build_one_type_38(&info);
+ continue;
+ }
+
+ QLIST_FOREACH(childbus, &dev->child_bus, sibling) {
+ smbios_add_ipmi_devices(childbus);
+ }
+ }
+}
+
+void smbios_build_type_38_table(void)
+{
+ BusState *bus;
+
+ bus = sysbus_get_default();
+ if (bus) {
+ smbios_add_ipmi_devices(bus);
+ }
+}