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authorCorey Minyard <cminyard@mvista.com>2015-12-17 12:50:04 -0600
committerMichael S. Tsirkin <mst@redhat.com>2015-12-22 18:39:19 +0200
commit23076bb34b049f5908fefae19266d3f25f55fd3e (patch)
tree621f4a9cc030b4a712ad44f7a27d221b18f7419a
parent13fc834308668097d6fd09c85ae3ecad06360a64 (diff)
Add a base IPMI interface
Add the basic IPMI types and infrastructure to QEMU. Low-level interfaces and simulation interfaces will register with this; it's kind of the go-between to tie them together. 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>
-rw-r--r--default-configs/i386-softmmu.mak1
-rw-r--r--default-configs/x86_64-softmmu.mak1
-rw-r--r--hw/Makefile.objs1
-rw-r--r--hw/ipmi/Makefile.objs1
-rw-r--r--hw/ipmi/ipmi.c125
-rw-r--r--include/hw/ipmi/ipmi.h178
-rw-r--r--qemu-doc.texi2
7 files changed, 309 insertions, 0 deletions
diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index 57ccff33e3..7435764869 100644
--- a/default-configs/i386-softmmu.mak
+++ b/default-configs/i386-softmmu.mak
@@ -9,6 +9,7 @@ CONFIG_VGA_CIRRUS=y
CONFIG_VMWARE_VGA=y
CONFIG_VIRTIO_VGA=y
CONFIG_VMMOUSE=y
+CONFIG_IPMI=y
CONFIG_SERIAL=y
CONFIG_PARALLEL=y
CONFIG_I8254=y
diff --git a/default-configs/x86_64-softmmu.mak b/default-configs/x86_64-softmmu.mak
index 30f5e751e6..df9d817996 100644
--- a/default-configs/x86_64-softmmu.mak
+++ b/default-configs/x86_64-softmmu.mak
@@ -9,6 +9,7 @@ CONFIG_VGA_CIRRUS=y
CONFIG_VMWARE_VGA=y
CONFIG_VIRTIO_VGA=y
CONFIG_VMMOUSE=y
+CONFIG_IPMI=y
CONFIG_SERIAL=y
CONFIG_PARALLEL=y
CONFIG_I8254=y
diff --git a/hw/Makefile.objs b/hw/Makefile.objs
index 7e7c241104..4a07ed4344 100644
--- a/hw/Makefile.objs
+++ b/hw/Makefile.objs
@@ -13,6 +13,7 @@ devices-dirs-$(CONFIG_SOFTMMU) += ide/
devices-dirs-$(CONFIG_SOFTMMU) += input/
devices-dirs-$(CONFIG_SOFTMMU) += intc/
devices-dirs-$(CONFIG_IPACK) += ipack/
+devices-dirs-$(CONFIG_IPMI) += ipmi/
devices-dirs-$(CONFIG_SOFTMMU) += isa/
devices-dirs-$(CONFIG_SOFTMMU) += misc/
devices-dirs-$(CONFIG_SOFTMMU) += net/
diff --git a/hw/ipmi/Makefile.objs b/hw/ipmi/Makefile.objs
new file mode 100644
index 0000000000..65bde11dd0
--- /dev/null
+++ b/hw/ipmi/Makefile.objs
@@ -0,0 +1 @@
+common-obj-$(CONFIG_IPMI) += ipmi.o
diff --git a/hw/ipmi/ipmi.c b/hw/ipmi/ipmi.c
new file mode 100644
index 0000000000..7d174692aa
--- /dev/null
+++ b/hw/ipmi/ipmi.c
@@ -0,0 +1,125 @@
+/*
+ * QEMU IPMI emulation
+ *
+ * Copyright (c) 2015 Corey Minyard, MontaVista Software, LLC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "hw/hw.h"
+#include "hw/ipmi/ipmi.h"
+#include "sysemu/sysemu.h"
+#include "qmp-commands.h"
+#include "qom/object_interfaces.h"
+#include "qapi/visitor.h"
+
+static int ipmi_do_hw_op(IPMIInterface *s, enum ipmi_op op, int checkonly)
+{
+ switch (op) {
+ case IPMI_RESET_CHASSIS:
+ if (checkonly) {
+ return 0;
+ }
+ qemu_system_reset_request();
+ return 0;
+
+ case IPMI_POWEROFF_CHASSIS:
+ if (checkonly) {
+ return 0;
+ }
+ qemu_system_powerdown_request();
+ return 0;
+
+ case IPMI_SEND_NMI:
+ if (checkonly) {
+ return 0;
+ }
+ qemu_mutex_lock_iothread();
+ qmp_inject_nmi(NULL);
+ qemu_mutex_unlock_iothread();
+ return 0;
+
+ case IPMI_POWERCYCLE_CHASSIS:
+ case IPMI_PULSE_DIAG_IRQ:
+ case IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP:
+ case IPMI_POWERON_CHASSIS:
+ default:
+ return IPMI_CC_COMMAND_NOT_SUPPORTED;
+ }
+}
+
+static void ipmi_interface_class_init(ObjectClass *class, void *data)
+{
+ IPMIInterfaceClass *ik = IPMI_INTERFACE_CLASS(class);
+
+ ik->do_hw_op = ipmi_do_hw_op;
+}
+
+static TypeInfo ipmi_interface_type_info = {
+ .name = TYPE_IPMI_INTERFACE,
+ .parent = TYPE_INTERFACE,
+ .class_size = sizeof(IPMIInterfaceClass),
+ .class_init = ipmi_interface_class_init,
+};
+
+static void isa_ipmi_bmc_check(Object *obj, const char *name,
+ Object *val, Error **errp)
+{
+ IPMIBmc *bmc = IPMI_BMC(val);
+
+ if (bmc->intf)
+ error_setg(errp, "BMC object is already in use");
+}
+
+void ipmi_bmc_find_and_link(Object *obj, Object **bmc)
+{
+ object_property_add_link(obj, "bmc", TYPE_IPMI_BMC, bmc,
+ isa_ipmi_bmc_check,
+ OBJ_PROP_LINK_UNREF_ON_RELEASE,
+ &error_abort);
+}
+
+static Property ipmi_bmc_properties[] = {
+ DEFINE_PROP_UINT8("slave_addr", IPMIBmc, slave_addr, 0x20),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static void bmc_class_init(ObjectClass *oc, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(oc);
+
+ dc->props = ipmi_bmc_properties;
+}
+
+static TypeInfo ipmi_bmc_type_info = {
+ .name = TYPE_IPMI_BMC,
+ .parent = TYPE_DEVICE,
+ .instance_size = sizeof(IPMIBmc),
+ .abstract = true,
+ .class_size = sizeof(IPMIBmcClass),
+ .class_init = bmc_class_init,
+};
+
+static void ipmi_register_types(void)
+{
+ type_register_static(&ipmi_interface_type_info);
+ type_register_static(&ipmi_bmc_type_info);
+}
+
+type_init(ipmi_register_types)
diff --git a/include/hw/ipmi/ipmi.h b/include/hw/ipmi/ipmi.h
new file mode 100644
index 0000000000..e4f773847d
--- /dev/null
+++ b/include/hw/ipmi/ipmi.h
@@ -0,0 +1,178 @@
+/*
+ * IPMI base class
+ *
+ * Copyright (c) 2015 Corey Minyard, MontaVista Software, LLC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef HW_IPMI_H
+#define HW_IPMI_H
+
+#include "exec/memory.h"
+#include "qemu-common.h"
+#include "hw/qdev.h"
+
+#define MAX_IPMI_MSG_SIZE 300
+
+enum ipmi_op {
+ IPMI_RESET_CHASSIS,
+ IPMI_POWEROFF_CHASSIS,
+ IPMI_POWERON_CHASSIS,
+ IPMI_POWERCYCLE_CHASSIS,
+ IPMI_PULSE_DIAG_IRQ,
+ IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP,
+ IPMI_SEND_NMI
+};
+
+#define IPMI_CC_INVALID_CMD 0xc1
+#define IPMI_CC_COMMAND_INVALID_FOR_LUN 0xc2
+#define IPMI_CC_TIMEOUT 0xc3
+#define IPMI_CC_OUT_OF_SPACE 0xc4
+#define IPMI_CC_INVALID_RESERVATION 0xc5
+#define IPMI_CC_REQUEST_DATA_TRUNCATED 0xc6
+#define IPMI_CC_REQUEST_DATA_LENGTH_INVALID 0xc7
+#define IPMI_CC_PARM_OUT_OF_RANGE 0xc9
+#define IPMI_CC_CANNOT_RETURN_REQ_NUM_BYTES 0xca
+#define IPMI_CC_REQ_ENTRY_NOT_PRESENT 0xcb
+#define IPMI_CC_INVALID_DATA_FIELD 0xcc
+#define IPMI_CC_BMC_INIT_IN_PROGRESS 0xd2
+#define IPMI_CC_COMMAND_NOT_SUPPORTED 0xd5
+
+#define IPMI_NETFN_APP 0x06
+
+#define IPMI_DEBUG 1
+
+/* Specified in the SMBIOS spec. */
+#define IPMI_SMBIOS_KCS 0x01
+#define IPMI_SMBIOS_SMIC 0x02
+#define IPMI_SMBIOS_BT 0x03
+#define IPMI_SMBIOS_SSIF 0x04
+
+/* IPMI Interface types (KCS, SMIC, BT) are prefixed with this */
+#define TYPE_IPMI_INTERFACE_PREFIX "ipmi-interface-"
+
+/*
+ * An IPMI Interface, the interface for talking between the target
+ * and the BMC.
+ */
+#define TYPE_IPMI_INTERFACE "ipmi-interface"
+#define IPMI_INTERFACE(obj) \
+ INTERFACE_CHECK(IPMIInterface, (obj), TYPE_IPMI_INTERFACE)
+#define IPMI_INTERFACE_CLASS(class) \
+ OBJECT_CLASS_CHECK(IPMIInterfaceClass, (class), TYPE_IPMI_INTERFACE)
+#define IPMI_INTERFACE_GET_CLASS(class) \
+ OBJECT_GET_CLASS(IPMIInterfaceClass, (class), TYPE_IPMI_INTERFACE)
+
+typedef struct IPMIInterface {
+ Object parent;
+} IPMIInterface;
+
+typedef struct IPMIInterfaceClass {
+ InterfaceClass parent;
+
+ void (*init)(struct IPMIInterface *s, Error **errp);
+
+ /*
+ * Perform various operations on the hardware. If checkonly is
+ * true, it will return if the operation can be performed, but it
+ * will not do the operation.
+ */
+ int (*do_hw_op)(struct IPMIInterface *s, enum ipmi_op op, int checkonly);
+
+ /*
+ * Enable/disable irqs on the interface when the BMC requests this.
+ */
+ void (*set_irq_enable)(struct IPMIInterface *s, int val);
+
+ /*
+ * Handle an event that occurred on the interface, generally the.
+ * target writing to a register.
+ */
+ void (*handle_if_event)(struct IPMIInterface *s);
+
+ /*
+ * The interfaces use this to perform certain ops
+ */
+ void (*set_atn)(struct IPMIInterface *s, int val, int irq);
+
+ /*
+ * Got an IPMI warm/cold reset.
+ */
+ void (*reset)(struct IPMIInterface *s, bool is_cold);
+
+ /*
+ * Handle a response from the bmc.
+ */
+ void (*handle_rsp)(struct IPMIInterface *s, uint8_t msg_id,
+ unsigned char *rsp, unsigned int rsp_len);
+
+ /*
+ * Set by the owner to hold the backend data for the interface.
+ */
+ void *(*get_backend_data)(struct IPMIInterface *s);
+} IPMIInterfaceClass;
+
+/*
+ * Define a BMC simulator (or perhaps a connection to a real BMC)
+ */
+#define TYPE_IPMI_BMC "ipmi-bmc"
+#define IPMI_BMC(obj) \
+ OBJECT_CHECK(IPMIBmc, (obj), TYPE_IPMI_BMC)
+#define IPMI_BMC_CLASS(obj_class) \
+ OBJECT_CLASS_CHECK(IPMIBmcClass, (obj_class), TYPE_IPMI_BMC)
+#define IPMI_BMC_GET_CLASS(obj) \
+ OBJECT_GET_CLASS(IPMIBmcClass, (obj), TYPE_IPMI_BMC)
+
+typedef struct IPMIBmc {
+ DeviceState parent;
+
+ uint8_t slave_addr;
+
+ IPMIInterface *intf;
+} IPMIBmc;
+
+typedef struct IPMIBmcClass {
+ DeviceClass parent;
+
+ /* Called when the system resets to report to the bmc. */
+ void (*handle_reset)(struct IPMIBmc *s);
+
+ /*
+ * Handle a command to the bmc.
+ */
+ void (*handle_command)(struct IPMIBmc *s,
+ uint8_t *cmd, unsigned int cmd_len,
+ unsigned int max_cmd_len,
+ uint8_t msg_id);
+} IPMIBmcClass;
+
+/*
+ * Add a link property to obj that points to a BMC.
+ */
+void ipmi_bmc_find_and_link(Object *obj, Object **bmc);
+
+#ifdef IPMI_DEBUG
+#define ipmi_debug(fs, ...) \
+ fprintf(stderr, "IPMI (%s): " fs, __func__, ##__VA_ARGS__)
+#else
+#define ipmi_debug(fs, ...)
+#endif
+
+#endif
diff --git a/qemu-doc.texi b/qemu-doc.texi
index ffc3e50abb..7bc388231f 100644
--- a/qemu-doc.texi
+++ b/qemu-doc.texi
@@ -195,6 +195,8 @@ PCI and ISA network adapters
@item
Serial ports
@item
+IPMI BMC, either and internal or external one
+@item
Creative SoundBlaster 16 sound card
@item
ENSONIQ AudioPCI ES1370 sound card