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Fri, 18 Dec 2020 13:36:24 +0000 Received: from abhmp0012.oracle.com (abhmp0012.oracle.com [141.146.116.18]) by aserv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 0BIDaNst006154; Fri, 18 Dec 2020 13:36:23 GMT Received: from mihai.localdomain (/10.153.73.25) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Fri, 18 Dec 2020 05:36:23 -0800 From: Mihai Carabas To: qemu-devel@nongnu.org Subject: [PATCH 2/3] hw/misc/pvpanic: add PCI interface support Date: Fri, 18 Dec 2020 14:53:15 +0200 Message-Id: <1608295996-8464-3-git-send-email-mihai.carabas@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1608295996-8464-1-git-send-email-mihai.carabas@oracle.com> References: <1608295996-8464-1-git-send-email-mihai.carabas@oracle.com> X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9838 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 bulkscore=0 malwarescore=0 spamscore=0 suspectscore=0 mlxscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012180095 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9838 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 bulkscore=0 mlxlogscore=999 priorityscore=1501 mlxscore=0 suspectscore=0 adultscore=0 phishscore=0 malwarescore=0 impostorscore=0 lowpriorityscore=0 clxscore=1015 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2012180095 Received-SPF: pass client-ip=141.146.126.79; envelope-from=mihai.carabas@oracle.com; helo=aserp2130.oracle.com X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mihai Carabas , peter.maydell@linaro.org, kraxel@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add PCI interface support for PVPANIC device. Create a new file pvpanic-pci.c where the PCI specific routines reside and update the build system with the new files and config structure. Signed-off-by: Mihai Carabas --- docs/specs/pci-ids.txt | 2 ++ hw/misc/Kconfig | 6 ++++ hw/misc/meson.build | 1 + hw/misc/pvpanic-pci.c | 87 +++++++++++++++++++++++++++++++++++++++++++++++ include/hw/misc/pvpanic.h | 1 + include/hw/pci/pci.h | 1 + 6 files changed, 98 insertions(+) create mode 100644 hw/misc/pvpanic-pci.c diff --git a/docs/specs/pci-ids.txt b/docs/specs/pci-ids.txt index abbdbca..191681d 100644 --- a/docs/specs/pci-ids.txt +++ b/docs/specs/pci-ids.txt @@ -68,3 +68,5 @@ PCI devices (other than virtio): All these devices are documented in docs/specs. The 0100 device ID is used for the QXL video card device. + +The 0101 device ID is used for the PVPanic device. diff --git a/hw/misc/Kconfig b/hw/misc/Kconfig index b58e6fd..aca7ffb 100644 --- a/hw/misc/Kconfig +++ b/hw/misc/Kconfig @@ -124,6 +124,12 @@ config IOTKIT_SYSINFO config PVPANIC_COMMON bool +config PVPANIC_PCI + bool + default y if PCI_DEVICES + depends on PCI + select PVPANIC_COMMON + config PVPANIC_ISA bool default y diff --git a/hw/misc/meson.build b/hw/misc/meson.build index 8c828ad..f686019 100644 --- a/hw/misc/meson.build +++ b/hw/misc/meson.build @@ -99,6 +99,7 @@ softmmu_ss.add(when: 'CONFIG_ARMSSE_CPUID', if_true: files('armsse-cpuid.c')) softmmu_ss.add(when: 'CONFIG_ARMSSE_MHU', if_true: files('armsse-mhu.c')) softmmu_ss.add(when: 'CONFIG_PVPANIC_ISA', if_true: files('pvpanic-isa.c')) +softmmu_ss.add(when: 'CONFIG_PVPANIC_PCI', if_true: files('pvpanic-pci.c')) softmmu_ss.add(when: 'CONFIG_AUX', if_true: files('auxbus.c')) softmmu_ss.add(when: 'CONFIG_ASPEED_SOC', if_true: files('aspeed_scu.c', 'aspeed_sdmc.c', 'aspeed_xdma.c')) softmmu_ss.add(when: 'CONFIG_MSF2', if_true: files('msf2-sysreg.c')) diff --git a/hw/misc/pvpanic-pci.c b/hw/misc/pvpanic-pci.c new file mode 100644 index 0000000..173909a --- /dev/null +++ b/hw/misc/pvpanic-pci.c @@ -0,0 +1,87 @@ +/* + * QEMU simulated PCI pvpanic device. + * + * Copyright (C) 2020 Oracle + * + * Authors: + * Mihai Carabas + * + * 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 "qemu/log.h" +#include "qemu/module.h" +#include "sysemu/runstate.h" + +#include "hw/nvram/fw_cfg.h" +#include "hw/qdev-properties.h" +#include "hw/misc/pvpanic.h" +#include "qom/object.h" +#include "hw/pci/pci.h" + +typedef struct PVPanicPCIState PVPanicPCIState; +DECLARE_INSTANCE_CHECKER(PVPanicPCIState, PVPANIC_PCI_DEVICE, + TYPE_PVPANIC_PCI) + +/* + * PVPanicPCIState for PCI device + */ +typedef struct PVPanicPCIState { + PCIDevice dev; + PVPanicState pvpanic; +} PVPanicPCIState; + +/* pvpanic pci device*/ + +static void pvpanic_pci_realizefn(PCIDevice *dev, Error **errp) +{ + PVPanicPCIState *s = DO_UPCAST(PVPanicPCIState, dev, dev); + PVPanicState *ps = &s->pvpanic; + + pvpanic_setup_io(&s->pvpanic, DEVICE(s), 2); + + pci_register_bar(dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &ps->mr); +} + +static Property pvpanic_pci_properties[] = { + DEFINE_PROP_UINT8("events", PVPanicState, events, PVPANIC_PANICKED | PVPANIC_CRASHLOADED), + DEFINE_PROP_END_OF_LIST(), +}; + +static void pvpanic_pci_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + PCIDeviceClass *pc = PCI_DEVICE_CLASS(klass); + + device_class_set_props(dc, pvpanic_pci_properties); + + pc->realize = pvpanic_pci_realizefn; + pc->vendor_id = PCI_VENDOR_ID_REDHAT; + pc->device_id = PCI_DEVICE_ID_REDHAT_PVPANIC; + pc->revision = 1; + pc->class_id = PCI_CLASS_SYSTEM_OTHER; + + set_bit(DEVICE_CATEGORY_MISC, dc->categories); +} + +static TypeInfo pvpanic_pci_info = { + .name = TYPE_PVPANIC_PCI, + .parent = TYPE_PCI_DEVICE, + .instance_size = sizeof(PVPanicPCIState), + .class_init = pvpanic_pci_class_init, + .interfaces = (InterfaceInfo[]) { + { INTERFACE_PCIE_DEVICE }, + { INTERFACE_CONVENTIONAL_PCI_DEVICE }, + { } + } +}; + +static void pvpanic_register_types(void) +{ + type_register_static(&pvpanic_pci_info); +} + +type_init(pvpanic_register_types); diff --git a/include/hw/misc/pvpanic.h b/include/hw/misc/pvpanic.h index 691cf61..de1d0a9 100644 --- a/include/hw/misc/pvpanic.h +++ b/include/hw/misc/pvpanic.h @@ -18,6 +18,7 @@ #include "qom/object.h" #define TYPE_PVPANIC_ISA "pvpanic" +#define TYPE_PVPANIC_PCI "pvpanic-pci" #define PVPANIC_IOPORT_PROP "ioport" diff --git a/include/hw/pci/pci.h b/include/hw/pci/pci.h index 259f9c9..e9512ab 100644 --- a/include/hw/pci/pci.h +++ b/include/hw/pci/pci.h @@ -108,6 +108,7 @@ extern bool pci_available; #define PCI_DEVICE_ID_REDHAT_MDPY 0x000f #define PCI_DEVICE_ID_REDHAT_NVME 0x0010 #define PCI_DEVICE_ID_REDHAT_QXL 0x0100 +#define PCI_DEVICE_ID_REDHAT_PVPANIC 0x0101 #define FMT_PCIBUS PRIx64 -- 1.8.3.1