From: Corey Minyard <cminyard@xxxxxxxxxx>
This provides the base infrastructure to tie IPMI low-level
interfaces into a PC ISA bus.
Signed-off-by: Corey Minyard <cminyard@xxxxxxxxxx>
---
default-configs/i386-softmmu.mak | 1 +
default-configs/x86_64-softmmu.mak | 1 +
hw/Makefile.objs | 1 +
hw/isa_ipmi.c | 138 ++++++++++++++++++++++++++++++++++++
hw/pc.c | 12 +++
hw/pc.h | 18 +++++
hw/smbios.h | 12 +++
7 files changed, 183 insertions(+), 0 deletions(-)
create mode 100644 hw/isa_ipmi.c
diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index eb17afc..c0aff0d 100644
--- a/default-configs/i386-softmmu.mak
+++ b/default-configs/i386-softmmu.mak
@@ -8,6 +8,7 @@ CONFIG_VGA_CIRRUS=y
CONFIG_VMWARE_VGA=y
CONFIG_VMMOUSE=y
CONFIG_IPMI=y
+CONFIG_ISA_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 e4e3e4f..615e4f2 100644
--- a/default-configs/x86_64-softmmu.mak
+++ b/default-configs/x86_64-softmmu.mak
@@ -8,6 +8,7 @@ CONFIG_VGA_CIRRUS=y
CONFIG_VMWARE_VGA=y
CONFIG_VMMOUSE=y
CONFIG_IPMI=y
+CONFIG_ISA_IPMI=y
CONFIG_SERIAL=y
CONFIG_PARALLEL=y
CONFIG_I8254=y
diff --git a/hw/Makefile.objs b/hw/Makefile.objs
index 0d55997..8f27ffe 100644
--- a/hw/Makefile.objs
+++ b/hw/Makefile.objs
@@ -21,6 +21,7 @@ hw-obj-$(CONFIG_ESCC) += escc.o
hw-obj-$(CONFIG_EMPTY_SLOT) += empty_slot.o
hw-obj-$(CONFIG_IPMI) += ipmi.o
+hw-obj-$(CONFIG_ISA_IPMI) += isa_ipmi.o
hw-obj-$(CONFIG_SERIAL) += serial.o
hw-obj-$(CONFIG_PARALLEL) += parallel.o
diff --git a/hw/isa_ipmi.c b/hw/isa_ipmi.c
new file mode 100644
index 0000000..cad78b0
--- /dev/null
+++ b/hw/isa_ipmi.c
@@ -0,0 +1,138 @@
+/*
+ * QEMU ISA IPMI KCS emulation
+ *
+ * Copyright (c) 2012 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.h"
+#include "isa.h"
+#include "pc.h"
+#include "qemu-timer.h"
+#include "sysemu.h"
+#include "smbios.h"
+#include "ipmi.h"
+
+
+typedef struct ISAIPMIState {
+ ISADevice dev;
+ uint32_t type;
+ uint32_t iobase;
+ uint32_t isairq;
+ uint8_t slave_addr;
+ IPMIState state;
+} ISAIPMIState;
+
+static int ipmi_isa_initfn(ISADevice *dev)
+{
+ ISAIPMIState *isa = DO_UPCAST(ISAIPMIState, dev, dev);
+ struct smbios_type_38 smb38;
+
+ if (isa->iobase == -1) {
+ /* If no I/O base is specified, set the defaults */
+ switch (isa->type) {
+ case IPMI_KCS:
+ isa->iobase = 0xca2;
+ break;
+ case IPMI_BT:
+ isa->iobase = 0xe4;
+ break;
+ case IPMI_SMIC:
+ isa->iobase = 0xca9;
+ break;
+ default:
+ fprintf(stderr, "Unknown IPMI type: %d\n", isa->type);
+ abort();
+ }
+ }
+
+ isa->state.slave_addr = isa->slave_addr;
+
+ qdev_set_legacy_instance_id(&dev->qdev, isa->iobase, 3);
+
+ ipmi_init(isa->type, &isa->state);
+
+ if (isa->isairq > 0) {
+ isa_init_irq(dev, &isa->state.irq, isa->isairq);
+ isa->state.use_irq = 1;
+ }
+
+ isa_register_ioport(dev, &isa->state.io, isa->iobase);
+
+ smb38.header.type = 38;
+ smb38.header.length = sizeof(smb38);
+ smb38.header.handle = 0x3000;
+ smb38.interface_type = isa->state.smbios_type;
+ smb38.ipmi_version = 0x20;
+ smb38.i2c_slave_addr = isa->state.slave_addr;
+ smb38.nv_storage_dev_addr = 0;
+
+ /* or 1 to set it to I/O space */
+ smb38.base_addr = isa->iobase | 1;
+
+ /* 1-byte boundaries, addr bit0=0, level triggered irq */
+ smb38.base_addr_mod_and_irq_info = 1;
+ smb38.interrupt_number = isa->isairq;
+ smbios_table_entry_add((struct smbios_structure_header *) &smb38);
+
+ return 0;
+}
+
+static Property ipmi_isa_properties[] = {
+ DEFINE_PROP_HEX32("type", ISAIPMIState, type, IPMI_KCS),
+ DEFINE_PROP_HEX32("iobase", ISAIPMIState, iobase, -1),
+ DEFINE_PROP_UINT32("irq", ISAIPMIState, isairq, 0),
+ DEFINE_PROP_UINT8("slave_addr", ISAIPMIState, slave_addr, 0),
+ DEFINE_PROP_PTR("charopts", ISAIPMIState, state.chropts),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
+static const VMStateDescription vmstate_isa_ipmi = {
+ .name = "isa-ipmi",
+ .version_id = 3,
+ .minimum_version_id = 3,
+ .fields = (VMStateField []) {
+ VMSTATE_STRUCT(state, ISAIPMIState, 0, vmstate_isa_ipmi,
+ IPMIState),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static void ipmi_isa_class_initfn(ObjectClass *klass, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(klass);
+ ISADeviceClass *ic = ISA_DEVICE_CLASS(klass);
+ ic->init = ipmi_isa_initfn;
+ dc->vmsd = &vmstate_isa_ipmi;
+ dc->props = ipmi_isa_properties;
+}
+
+static TypeInfo ipmi_isa_info = {
+ .name = "isa-ipmi",
+ .parent = TYPE_ISA_DEVICE,
+ .instance_size = sizeof(ISAIPMIState),
+ .class_init = ipmi_isa_class_initfn,
+};
+
+static void ipmi_register_types(void)
+{
+ type_register_static(&ipmi_isa_info);
+}
+
+type_init(ipmi_register_types)
diff --git a/hw/pc.c b/hw/pc.c
index c0acb6a..965e053 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -1173,6 +1173,18 @@ void pc_basic_device_init(ISABus *isa_bus, qemu_irq *gsi,
fd[i] = drive_get(IF_FLOPPY, 0, i);
}
*floppy = fdctrl_init_isa(isa_bus, fd);
+
+ i = 0;
+ if (do_local_ipmi) {
+ ipmi_isa_init(isa_bus, isa_find_free_irq(isa_bus), ipmi_types[i], NULL);
+ i++;
+ }
+ for(; i < MAX_IPMI_DEVICES; i++) {
+ if (ipmi_hds[i]) {
+ ipmi_isa_init(isa_bus, isa_find_free_irq(isa_bus),
+ ipmi_types[i], ipmi_hds[i]);
+ }
+ }
}
void pc_pci_device_init(PCIBus *pci_bus)
diff --git a/hw/pc.h b/hw/pc.h
index 33ab689..5b6d947 100644
--- a/hw/pc.h
+++ b/hw/pc.h
@@ -223,6 +223,24 @@ static inline bool isa_ne2000_init(ISABus *bus, int base, int irq, NICInfo *nd)
return true;
}
+/* IPMI */
+static inline bool ipmi_isa_init(ISABus *bus, int irq,
+ int type, QemuOpts *opts)
+{
+ ISADevice *dev;
+
+ dev = isa_try_create(bus, "isa-ipmi");
+ if (!dev) {
+ return false;
+ }
+ qdev_prop_set_uint32(&dev->qdev, "type", type);
+ qdev_prop_set_uint32(&dev->qdev, "irq", irq);
+ qdev_prop_set_ptr(&dev->qdev, "charopts", opts);
+ if (qdev_init(&dev->qdev) < 0) {
+ return false;
+ }
+ return true;
+}
/* pc_sysfw.c */
void pc_system_firmware_init(MemoryRegion *rom_memory);
diff --git a/hw/smbios.h b/hw/smbios.h
index 6431a15..b9e4a61 100644
--- a/hw/smbios.h
+++ b/hw/smbios.h
@@ -155,6 +155,18 @@ struct smbios_type_32 {
uint8_t boot_status;
} QEMU_PACKED;
+/* SMBIOS type 38 - IPMI Device Information */
+struct smbios_type_38 {
+ struct smbios_structure_header header;
+ uint8_t interface_type;
+ uint8_t ipmi_version;
+ uint8_t i2c_slave_addr;
+ uint8_t nv_storage_dev_addr;
+ uint64_t base_addr;
+ uint8_t base_addr_mod_and_irq_info;
+ uint8_t interrupt_number;
+} QEMU_PACKED;
+
/* SMBIOS type 127 -- End-of-table */
struct smbios_type_127 {
struct smbios_structure_header header;
--
1.7.4.1
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