From patchwork Thu Jul 19 18:53:27 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Corey Minyard X-Patchwork-Id: 172034 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 682402C0210 for ; Fri, 20 Jul 2012 05:00:01 +1000 (EST) Received: from localhost ([::1]:42064 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Srvx9-0005mr-Jj for incoming@patchwork.ozlabs.org; Thu, 19 Jul 2012 14:59:59 -0400 Received: from eggs.gnu.org ([208.118.235.92]:44939) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Srvwb-0004Vm-GH for qemu-devel@nongnu.org; Thu, 19 Jul 2012 14:59:26 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SrvwZ-0001Ek-Ug for qemu-devel@nongnu.org; Thu, 19 Jul 2012 14:59:25 -0400 Received: from vms173017pub.verizon.net ([206.46.173.17]:26448) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SrvwZ-0001Ea-NR for qemu-devel@nongnu.org; Thu, 19 Jul 2012 14:59:23 -0400 Received: from wf-rch.minyard.home ([unknown] [173.57.151.210]) by vms173017.mailsrvcs.net (Sun Java(tm) System Messaging Server 7u2-7.02 32bit (built Apr 16 2009)) with ESMTPA id <0M7F00MQ38QL0BB0@vms173017.mailsrvcs.net> for qemu-devel@nongnu.org; Thu, 19 Jul 2012 13:59:11 -0500 (CDT) Received: from i.minyard.home (i2.minyard.home [192.168.27.116]) by wf-rch.minyard.home (Postfix) with ESMTP id 3C4EF1F95B; Thu, 19 Jul 2012 13:53:39 -0500 (CDT) Received: by i.minyard.home (Postfix, from userid 1000) id F3D0581D45; Thu, 19 Jul 2012 13:53:36 -0500 (CDT) From: minyard@acm.org To: qemu-devel@nongnu.org Date: Thu, 19 Jul 2012 13:53:27 -0500 Message-id: <1342724013-1633-13-git-send-email-minyard@acm.org> X-Mailer: git-send-email 1.7.4.1 In-reply-to: <1342724013-1633-1-git-send-email-minyard@acm.org> References: <1342724013-1633-1-git-send-email-minyard@acm.org> X-detected-operating-system: by eggs.gnu.org: Solaris 10 (1203?) X-Received-From: 206.46.173.17 Cc: Corey Minyard Subject: [Qemu-devel] [PATCH 12/18] IPMI: Add a PC ISA type structure X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org From: Corey Minyard This provides the base infrastructure to tie IPMI low-level interfaces into a PC ISA bus. Signed-off-by: Corey Minyard --- default-configs/i386-softmmu.mak | 1 + default-configs/x86_64-softmmu.mak | 1 + hw/Makefile.objs | 1 + hw/isa_ipmi.c | 181 ++++++++++++++++++++++++++++++++++++ hw/smbios.h | 12 +++ 5 files changed, 196 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 256cfae..928870b 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..c15ca22 --- /dev/null +++ b/hw/isa_ipmi.c @@ -0,0 +1,181 @@ +/* + * 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 "qemu-char.h" +#include "sysemu.h" +#include "smbios.h" +#include "ipmi.h" + + +typedef struct ISAIPMIDevice { + ISADevice dev; + char *interface; + uint32_t iobase; + uint32_t isairq; + uint8_t slave_addr; + CharDriverState *chr; + IPMIInterface *intf; +} ISAIPMIDevice; + +static int ipmi_isa_initfn(ISADevice *dev) +{ + ISAIPMIDevice *isa = DO_UPCAST(ISAIPMIDevice, dev, dev); + struct smbios_type_38 smb38; + char typename[20]; + Object *intfobj; + IPMIInterface *intf; + IPMIInterfaceClass *intfk; + Object *bmcobj; + IPMIBmc *bmc; + int rc; + Error *errp = NULL; + + if (!isa->interface) { + isa->interface = g_strdup("kcs"); + } + + if (isa->chr) { + bmcobj = object_new("ipmi-bmc-extern"); + } else { + bmcobj = object_new("ipmi-bmc-sim"); + } + bmc = DO_UPCAST(IPMIBmc, parent_obj, bmcobj); + bmc->chr = isa->chr; + snprintf(typename, sizeof(typename), "ipmi-interface-%s", isa->interface); + intfobj = object_new(typename); + intf = DO_UPCAST(IPMIInterface, parent_obj, intfobj); + bmc->intf = intf; + intf->bmc = bmc; + intf->io_base = isa->iobase; + intf->slave_addr = isa->slave_addr; + rc = ipmi_interface_init(intf); + if (rc) { + return rc; + } + rc = ipmi_bmc_init(bmc); + if (rc) { + return rc; + } + + /* These may be set by the interface. */ + isa->iobase = intf->io_base; + isa->slave_addr = intf->slave_addr; + + if (isa->isairq != 0) { + isa_init_irq(dev, &intf->irq, isa->isairq); + intf->use_irq = 1; + } + + isa->intf = intf; + object_property_add_child(OBJECT(isa), "intf", OBJECT(intf), &errp); + if (error_is_set(&errp)) { + fprintf(stderr, "%s\n", error_get_pretty(errp)); + return 1; + } + object_property_add_child(OBJECT(isa), "bmc", OBJECT(bmc), &errp); + if (error_is_set(&errp)) { + fprintf(stderr, "%s\n", error_get_pretty(errp)); + return 1; + } + + qdev_set_legacy_instance_id(&dev->qdev, intf->io_base, intf->io_length); + + isa_register_ioport(dev, &intf->io, intf->io_base); + + intfk = IPMI_INTERFACE_GET_CLASS(intf); + + smb38.header.type = 38; + smb38.header.length = sizeof(smb38); + smb38.header.handle = 0x3000; + smb38.interface_type = intfk->smbios_type; + smb38.ipmi_version = 0x20; + smb38.i2c_slave_addr = intf->slave_addr; + smb38.nv_storage_dev_addr = 0; + + /* or 1 to set it to I/O space */ + smb38.base_addr = intf->io_base | 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 void ipmi_isa_reset(DeviceState *qdev) +{ + ISAIPMIDevice *isa = DO_UPCAST(ISAIPMIDevice, dev.qdev, qdev); + + ipmi_interface_reset(isa->intf); +} + +static Property ipmi_isa_properties[] = { + DEFINE_PROP_STRING("interface", ISAIPMIDevice, interface), + DEFINE_PROP_HEX32("iobase", ISAIPMIDevice, iobase, 0), + DEFINE_PROP_UINT32("irq", ISAIPMIDevice, isairq, 5), + DEFINE_PROP_UINT8("slave_addr", ISAIPMIDevice, slave_addr, 0), + DEFINE_PROP_CHR("chardev", ISAIPMIDevice, chr), + DEFINE_PROP_END_OF_LIST(), +}; + +#if 0 /* FIXME */ +static const VMStateDescription vmstate_isa_ipmi = { + .name = "isa-ipmi", + .version_id = 3, + .minimum_version_id = 3, + .fields = (VMStateField[]) { + /* FIXME - fill this in */ + VMSTATE_END_OF_LIST() + } +}; +#endif + +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->reset = ipmi_isa_reset; + /* dc->vmsd = &vmstate_isa_ipmi; FIXME */ + dc->props = ipmi_isa_properties; +} + +static TypeInfo ipmi_isa_info = { + .name = "isa-ipmi", + .parent = TYPE_ISA_DEVICE, + .instance_size = sizeof(ISAIPMIDevice), + .class_init = ipmi_isa_class_initfn, +}; + +static void ipmi_register_types(void) +{ + type_register_static(&ipmi_isa_info); + qdev_add_prefw_init("isa-ipmi"); +} + +type_init(ipmi_register_types) 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;