From patchwork Tue Sep 10 07:10:19 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Balamuruhan S X-Patchwork-Id: 11138837 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E4FFA912 for ; Tue, 10 Sep 2019 07:13:49 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id B2F682084D for ; Tue, 10 Sep 2019 07:13:49 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B2F682084D Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linux.ibm.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Received: from localhost ([::1]:34530 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i7aLU-0006L4-RG for patchwork-qemu-devel@patchwork.kernel.org; Tue, 10 Sep 2019 03:13:48 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:46016) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i7aJD-0003HI-Qr for qemu-devel@nongnu.org; Tue, 10 Sep 2019 03:11:30 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i7aJB-0005SB-3X for qemu-devel@nongnu.org; Tue, 10 Sep 2019 03:11:27 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:64874) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1i7aJA-0005Rs-Ry for qemu-devel@nongnu.org; Tue, 10 Sep 2019 03:11:25 -0400 Received: from pps.filterd (m0098404.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x8A77Z3b092612 for ; Tue, 10 Sep 2019 03:11:24 -0400 Received: from e06smtp04.uk.ibm.com (e06smtp04.uk.ibm.com [195.75.94.100]) by mx0a-001b2d01.pphosted.com with ESMTP id 2ux6ybghbd-1 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=NOT) for ; Tue, 10 Sep 2019 03:11:23 -0400 Received: from localhost by e06smtp04.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Tue, 10 Sep 2019 08:11:17 +0100 Received: from d06av22.portsmouth.uk.ibm.com (d06av22.portsmouth.uk.ibm.com [9.149.105.58]) by b06avi18626390.portsmouth.uk.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x8A7Apbm36569420 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 10 Sep 2019 07:10:52 GMT Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 5D98D4C04E; Tue, 10 Sep 2019 07:11:16 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B1BAC4C040; Tue, 10 Sep 2019 07:11:14 +0000 (GMT) Received: from localhost.in.ibm.com (unknown [9.124.35.221]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Tue, 10 Sep 2019 07:11:14 +0000 (GMT) From: Balamuruhan S To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Date: Tue, 10 Sep 2019 12:40:19 +0530 X-Mailer: git-send-email 2.14.5 In-Reply-To: <20190910071019.16689-1-bala24@linux.ibm.com> References: <20190910071019.16689-1-bala24@linux.ibm.com> X-TM-AS-GCONF: 00 x-cbid: 19091007-0016-0000-0000-000002A961D0 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19091007-0017-0000-0000-00003309E6CD Message-Id: <20190910071019.16689-4-bala24@linux.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-09-10_06:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1906280000 definitions=main-1909100071 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PATCH v1 3/3] hw/ppc/pnv_homer: add PowerNV homer device model 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: maddy@linux.vnet.ibm.com, groug@kaod.org, Balamuruhan S , anju@linux.vnet.ibm.com, clg@kaod.org, hari@linux.vnet.ibm.com, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" add PnvHOMER device model to emulate homer memory access for pstate table, occ-sensors, slw, occ static and dynamic values for Power8 and Power9 chips. Fix few coding style warnings given by checkpatch.pl. Signed-off-by: Balamuruhan S --- hw/ppc/Makefile.objs | 1 + hw/ppc/pnv.c | 79 +++++++++++--- hw/ppc/pnv_homer.c | 258 +++++++++++++++++++++++++++++++++++++++++++++ include/hw/ppc/pnv.h | 3 + include/hw/ppc/pnv_homer.h | 52 +++++++++ 5 files changed, 376 insertions(+), 17 deletions(-) create mode 100644 hw/ppc/pnv_homer.c create mode 100644 include/hw/ppc/pnv_homer.h diff --git a/hw/ppc/Makefile.objs b/hw/ppc/Makefile.objs index 2c4e1c8de0..580bb4f0dd 100644 --- a/hw/ppc/Makefile.objs +++ b/hw/ppc/Makefile.objs @@ -9,6 +9,7 @@ obj-$(CONFIG_PSERIES) += spapr_tpm_proxy.o obj-$(CONFIG_SPAPR_RNG) += spapr_rng.o # IBM PowerNV obj-$(CONFIG_POWERNV) += pnv.o pnv_xscom.o pnv_core.o pnv_lpc.o pnv_psi.o pnv_occ.o pnv_bmc.o +obj-$(CONFIG_POWERNV) += pnv_homer.o ifeq ($(CONFIG_PCI)$(CONFIG_PSERIES)$(CONFIG_LINUX), yyy) obj-y += spapr_pci_vfio.o spapr_pci_nvlink2.o endif diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index 80338ffe87..ddddcc9bb6 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -187,7 +187,8 @@ static void pnv_dt_core(PnvChip *chip, PnvCore *pc, void *fdt) _FDT((fdt_setprop_cell(fdt, offset, "timebase-frequency", tbfreq))); _FDT((fdt_setprop_cell(fdt, offset, "clock-frequency", cpufreq))); - _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", cpu->hash64_opts->slb_size))); + _FDT((fdt_setprop_cell(fdt, offset, "ibm,slb-size", + cpu->hash64_opts->slb_size))); _FDT((fdt_setprop_string(fdt, offset, "status", "okay"))); _FDT((fdt_setprop(fdt, offset, "64-bit", NULL, 0))); @@ -200,19 +201,23 @@ static void pnv_dt_core(PnvChip *chip, PnvCore *pc, void *fdt) segs, sizeof(segs)))); } - /* Advertise VMX/VSX (vector extensions) if available + /* + * Advertise VMX/VSX (vector extensions) if available * 0 / no property == no vector extensions * 1 == VMX / Altivec available - * 2 == VSX available */ + * 2 == VSX available + */ if (env->insns_flags & PPC_ALTIVEC) { uint32_t vmx = (env->insns_flags2 & PPC2_VSX) ? 2 : 1; _FDT((fdt_setprop_cell(fdt, offset, "ibm,vmx", vmx))); } - /* Advertise DFP (Decimal Floating Point) if available + /* + * Advertise DFP (Decimal Floating Point) if available * 0 / no property == no DFP - * 1 == DFP available */ + * 1 == DFP available + */ if (env->insns_flags2 & PPC2_DFP) { _FDT((fdt_setprop_cell(fdt, offset, "ibm,dfp", 1))); } @@ -424,7 +429,8 @@ static int pnv_dt_isa_device(DeviceState *dev, void *opaque) return 0; } -/* The default LPC bus of a multichip system is on chip 0. It's +/* + * The default LPC bus of a multichip system is on chip 0. It's * recognized by the firmware (skiboot) using a "primary" property. */ static void pnv_dt_isa(PnvMachineState *pnv, void *fdt) @@ -442,8 +448,10 @@ static void pnv_dt_isa(PnvMachineState *pnv, void *fdt) assert(phandle > 0); _FDT((fdt_setprop_cell(fdt, isa_offset, "phandle", phandle))); - /* ISA devices are not necessarily parented to the ISA bus so we - * can not use object_child_foreach() */ + /* + * ISA devices are not necessarily parented to the ISA bus so we + * can not use object_child_foreach() + */ qbus_walk_children(BUS(pnv->isa_bus), pnv_dt_isa_device, NULL, NULL, NULL, &args); } @@ -545,7 +553,8 @@ static void pnv_reset(MachineState *machine) qemu_devices_reset(); - /* OpenPOWER systems have a BMC, which can be defined on the + /* + * OpenPOWER systems have a BMC, which can be defined on the * command line with: * * -device ipmi-bmc-sim,id=bmc0 @@ -705,7 +714,8 @@ static void pnv_init(MachineState *machine) pnv->chips[i] = PNV_CHIP(chip); - /* TODO: put all the memory in one node on chip 0 until we find a + /* + * TODO: put all the memory in one node on chip 0 until we find a * way to specify different ranges for each chip */ if (i == 0) { @@ -732,8 +742,10 @@ static void pnv_init(MachineState *machine) /* Create an RTC ISA device too */ mc146818_rtc_init(pnv->isa_bus, 2000, NULL); - /* OpenPOWER systems use a IPMI SEL Event message to notify the - * host to powerdown */ + /* + * OpenPOWER systems use a IPMI SEL Event message to notify the + * host to powerdown + */ pnv->powerdown_notifier.notify = pnv_powerdown_notify; qemu_register_powerdown_notifier(&pnv->powerdown_notifier); } @@ -803,7 +815,8 @@ static void pnv_chip_power9_intc_create(PnvChip *chip, PowerPCCPU *cpu, pnv_cpu->intc = obj; } -/* Allowed core identifiers on a POWER8 Processor Chip : +/* + * Allowed core identifiers on a POWER8 Processor Chip : * * * EX1 - Venice only @@ -847,6 +860,11 @@ static void pnv_chip_power8_instance_init(Object *obj) TYPE_PNV8_OCC, &error_abort, NULL); object_property_add_const_link(OBJECT(&chip8->occ), "psi", OBJECT(&chip8->psi), &error_abort); + + object_initialize_child(obj, "homer", &chip8->homer, sizeof(chip8->homer), + TYPE_PNV8_HOMER, &error_abort, NULL); + object_property_add_const_link(OBJECT(&chip8->homer), "xics", + OBJECT(qdev_get_machine()), &error_abort); } static void pnv_chip_icp_realize(Pnv8Chip *chip8, Error **errp) @@ -923,8 +941,10 @@ static void pnv_chip_power8_realize(DeviceState *dev, Error **errp) (uint64_t) PNV_XSCOM_BASE(chip), PNV_XSCOM_LPC_BASE); - /* Interrupt Management Area. This is the memory region holding - * all the Interrupt Control Presenter (ICP) registers */ + /* + * Interrupt Management Area. This is the memory region holding + * all the Interrupt Control Presenter (ICP) registers + */ pnv_chip_icp_realize(chip8, &local_err); if (local_err) { error_propagate(errp, local_err); @@ -942,6 +962,16 @@ static void pnv_chip_power8_realize(DeviceState *dev, Error **errp) /* OCC SRAM model */ memory_region_add_subregion(get_system_memory(), PNV_OCC_COMMON_AREA(chip), &chip8->occ.sram_regs); + + /* HOMER */ + object_property_set_bool(OBJECT(&chip8->homer), true, "realized", + &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + memory_region_add_subregion(get_system_memory(), PNV_HOMER_BASE(chip), + &chip8->homer.homer_regs); } static void pnv_chip_power8e_class_init(ObjectClass *klass, void *data) @@ -1024,6 +1054,11 @@ static void pnv_chip_power9_instance_init(Object *obj) TYPE_PNV9_OCC, &error_abort, NULL); object_property_add_const_link(OBJECT(&chip9->occ), "psi", OBJECT(&chip9->psi), &error_abort); + + object_initialize_child(obj, "homer", &chip9->homer, sizeof(chip9->homer), + TYPE_PNV9_HOMER, &error_abort, NULL); + object_property_add_const_link(OBJECT(&chip9->homer), "chip", obj, + &error_abort); } static void pnv_chip_quad_realize(Pnv9Chip *chip9, Error **errp) @@ -1134,6 +1169,16 @@ static void pnv_chip_power9_realize(DeviceState *dev, Error **errp) /* OCC SRAM model */ memory_region_add_subregion(get_system_memory(), PNV9_OCC_COMMON_AREA(chip), &chip9->occ.sram_regs); + + /* HOMER */ + object_property_set_bool(OBJECT(&chip9->homer), true, "realized", + &local_err); + if (local_err) { + error_propagate(errp, local_err); + return; + } + memory_region_add_subregion(get_system_memory(), PNV9_HOMER_BASE(chip), + &chip9->homer.homer_regs); } static void pnv_chip_power9_class_init(ObjectClass *klass, void *data) @@ -1412,8 +1457,8 @@ static void pnv_machine_class_init(ObjectClass *oc, void *data) mc->init = pnv_init; mc->reset = pnv_reset; mc->max_cpus = MAX_CPUS; - mc->block_default_type = IF_IDE; /* Pnv provides a AHCI device for - * storage */ + /* Pnv provides a AHCI device for storage */ + mc->block_default_type = IF_IDE; mc->no_parallel = 1; mc->default_boot_order = NULL; /* diff --git a/hw/ppc/pnv_homer.c b/hw/ppc/pnv_homer.c new file mode 100644 index 0000000000..2886e27176 --- /dev/null +++ b/hw/ppc/pnv_homer.c @@ -0,0 +1,258 @@ +/* + * QEMU PowerPC PowerNV Emulation of a few HOMER related registers + * + * Copyright (c) 2019, IBM Corporation. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2, as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see . + */ + +#include "qemu/osdep.h" +#include "sysemu/cpus.h" +#include "hw/ppc/pnv.h" +#include "hw/qdev-core.h" +#include "hw/ppc/pnv_homer.h" + + +static bool core_max_array(void *opaque, hwaddr addr) +{ + PnvHOMER *homer = PNV_HOMER(opaque); + PnvHOMERClass *homer_class = PNV_HOMER_GET_CLASS(homer); + + MachineState *ms = MACHINE(qdev_get_machine()); + + for (int i = 0; i <= ms->smp.cores; i++) { + if (addr == (homer_class->core_max_base + i)) { + return true; + } + } + return false; +} + +/* P8 Pstate table */ + +#define PNV8_OCC_PSTATE_VERSION 0x1f8001 +#define PNV8_OCC_PSTATE_MIN 0x1f8003 +#define PNV8_OCC_PSTATE_VALID 0x1f8000 +#define PNV8_OCC_PSTATE_THROTTLE 0x1f8002 +#define PNV8_OCC_PSTATE_NOM 0x1f8004 +#define PNV8_OCC_PSTATE_TURBO 0x1f8005 +#define PNV8_OCC_PSTATE_ULTRA_TURBO 0x1f8006 +#define PNV8_OCC_PSTATE_DATA 0x1f8008 +#define PNV8_OCC_PSTATE_ID_ZERO 0x1f8010 +#define PNV8_OCC_PSTATE_ID_ONE 0x1f8018 +#define PNV8_OCC_PSTATE_ID_TWO 0x1f8020 +#define PNV8_OCC_VDD_VOLTAGE_IDENTIFIER 0x1f8012 +#define PNV8_OCC_VCS_VOLTAGE_IDENTIFIER 0x1f8013 +#define PNV8_OCC_PSTATE_ZERO_FREQUENCY 0x1f8014 +#define PNV8_OCC_PSTATE_ONE_FREQUENCY 0x1f801c +#define PNV8_OCC_PSTATE_TWO_FREQUENCY 0x1f8024 +#define PNV8_CORE_MAX_BASE 0x1f8810 + + +static uint64_t pnv_power8_homer_read(void *opaque, hwaddr addr, + unsigned size) +{ + switch (addr) { + case PNV8_OCC_PSTATE_VERSION: + case PNV8_OCC_PSTATE_MIN: + case PNV8_OCC_PSTATE_ID_ZERO: + return 0; + case PNV8_OCC_PSTATE_VALID: + case PNV8_OCC_PSTATE_THROTTLE: + case PNV8_OCC_PSTATE_NOM: + case PNV8_OCC_PSTATE_TURBO: + case PNV8_OCC_PSTATE_ID_ONE: + case PNV8_OCC_VDD_VOLTAGE_IDENTIFIER: + case PNV8_OCC_VCS_VOLTAGE_IDENTIFIER: + return 1; + case PNV8_OCC_PSTATE_ULTRA_TURBO: + case PNV8_OCC_PSTATE_ID_TWO: + return 2; + case PNV8_OCC_PSTATE_DATA: + return 0x1000000000000000; + /* P8 frequency for 0, 1, and 2 pstates */ + case PNV8_OCC_PSTATE_ZERO_FREQUENCY: + case PNV8_OCC_PSTATE_ONE_FREQUENCY: + case PNV8_OCC_PSTATE_TWO_FREQUENCY: + return 3000; + } + /* pstate table core max array */ + if (core_max_array(opaque, addr)) { + return 1; + } + return 0; +} + +static void pnv_power8_homer_write(void *opaque, hwaddr addr, + uint64_t val, unsigned size) +{ + /* callback function defined to homer write */ + return; +} + +static const MemoryRegionOps pnv_power8_homer_ops = { + .read = pnv_power8_homer_read, + .write = pnv_power8_homer_write, + .valid.min_access_size = 1, + .valid.max_access_size = 8, + .impl.min_access_size = 1, + .impl.max_access_size = 8, + .endianness = DEVICE_BIG_ENDIAN, +}; + +static void pnv_homer_power8_class_init(ObjectClass *klass, void *data) +{ + PnvHOMERClass *homer = PNV_HOMER_CLASS(klass); + + homer->homer_size = PNV_HOMER_SIZE; + homer->homer_ops = &pnv_power8_homer_ops; + homer->core_max_base = PNV8_CORE_MAX_BASE; +} + +static const TypeInfo pnv_homer_power8_type_info = { + .name = TYPE_PNV8_HOMER, + .parent = TYPE_PNV_HOMER, + .instance_size = sizeof(PnvHOMER), + .class_init = pnv_homer_power8_class_init, +}; + +/* P9 Pstate table */ + +#define PNV9_OCC_PSTATE_ID_ZERO 0xe2018 +#define PNV9_OCC_PSTATE_ID_ONE 0xe2020 +#define PNV9_OCC_PSTATE_ID_TWO 0xe2028 +#define PNV9_OCC_PSTATE_DATA 0xe2000 +#define PNV9_OCC_PSTATE_DATA_AREA 0xe2008 +#define PNV9_OCC_PSTATE_MIN 0xe2003 +#define PNV9_OCC_PSTATE_NOM 0xe2004 +#define PNV9_OCC_PSTATE_TURBO 0xe2005 +#define PNV9_OCC_PSTATE_ULTRA_TURBO 0xe2818 +#define PNV9_OCC_MAX_PSTATE_ULTRA_TURBO 0xe2006 +#define PNV9_OCC_PSTATE_MAJOR_VERSION 0xe2001 +#define PNV9_OCC_OPAL_RUNTIME_DATA 0xe2b85 +#define PNV9_CHIP_HOMER_IMAGE_POINTER 0x200008 +#define PNV9_CHIP_HOMER_BASE 0x0 +#define PNV9_OCC_PSTATE_ZERO_FREQUENCY 0xe201c +#define PNV9_OCC_PSTATE_ONE_FREQUENCY 0xe2024 +#define PNV9_OCC_PSTATE_TWO_FREQUENCY 0xe202c +#define PNV9_OCC_ROLE_MASTER_OR_SLAVE 0xe2002 +#define PNV9_CORE_MAX_BASE 0xe2819 + + +static uint64_t pnv_power9_homer_read(void *opaque, hwaddr addr, + unsigned size) +{ + switch (addr) { + case PNV9_OCC_MAX_PSTATE_ULTRA_TURBO: + case PNV9_OCC_PSTATE_ID_ZERO: + return 0; + case PNV9_OCC_PSTATE_DATA: + case PNV9_OCC_ROLE_MASTER_OR_SLAVE: + case PNV9_OCC_PSTATE_NOM: + case PNV9_OCC_PSTATE_TURBO: + case PNV9_OCC_PSTATE_ID_ONE: + case PNV9_OCC_PSTATE_ULTRA_TURBO: + case PNV9_OCC_OPAL_RUNTIME_DATA: + return 1; + case PNV9_OCC_PSTATE_MIN: + case PNV9_OCC_PSTATE_ID_TWO: + return 2; + + /* 3000 khz frequency for 0, 1, and 2 pstates */ + case PNV9_OCC_PSTATE_ZERO_FREQUENCY: + case PNV9_OCC_PSTATE_ONE_FREQUENCY: + case PNV9_OCC_PSTATE_TWO_FREQUENCY: + return 3000; + case PNV9_OCC_PSTATE_MAJOR_VERSION: + return 0x90; + case PNV9_CHIP_HOMER_BASE: + case PNV9_OCC_PSTATE_DATA_AREA: + case PNV9_CHIP_HOMER_IMAGE_POINTER: + return 0x1000000000000000; + } + /* pstate table core max array */ + if (core_max_array(opaque, addr)) { + return 1; + } + return 0; +} + +static void pnv_power9_homer_write(void *opaque, hwaddr addr, + uint64_t val, unsigned size) +{ + /* callback function defined to homer write */ + return; +} + +static const MemoryRegionOps pnv_power9_homer_ops = { + .read = pnv_power9_homer_read, + .write = pnv_power9_homer_write, + .valid.min_access_size = 1, + .valid.max_access_size = 8, + .impl.min_access_size = 1, + .impl.max_access_size = 8, + .endianness = DEVICE_BIG_ENDIAN, +}; + +static void pnv_homer_power9_class_init(ObjectClass *klass, void *data) +{ + PnvHOMERClass *homer = PNV_HOMER_CLASS(klass); + + homer->homer_size = PNV9_HOMER_SIZE; + homer->homer_ops = &pnv_power9_homer_ops; + homer->core_max_base = PNV9_CORE_MAX_BASE; +} + +static const TypeInfo pnv_homer_power9_type_info = { + .name = TYPE_PNV9_HOMER, + .parent = TYPE_PNV_HOMER, + .instance_size = sizeof(PnvHOMER), + .class_init = pnv_homer_power9_class_init, +}; + +static void pnv_homer_realize(DeviceState *dev, Error **errp) +{ + PnvHOMER *homer = PNV_HOMER(dev); + PnvHOMERClass *homer_class = PNV_HOMER_GET_CLASS(homer); + + /* homer region */ + memory_region_init_io(&homer->homer_regs, OBJECT(dev), + homer_class->homer_ops, homer, "homer-main-memory", + homer_class->homer_size); +} + +static void pnv_homer_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->realize = pnv_homer_realize; + dc->desc = "PowerNV HOMER Memory"; +} + +static const TypeInfo pnv_homer_type_info = { + .name = TYPE_PNV_HOMER, + .parent = TYPE_DEVICE, + .instance_size = sizeof(PnvHOMER), + .class_init = pnv_homer_class_init, + .class_size = sizeof(PnvHOMERClass), + .abstract = true, +}; + +static void pnv_homer_register_types(void) +{ + type_register_static(&pnv_homer_type_info); + type_register_static(&pnv_homer_power8_type_info); + type_register_static(&pnv_homer_power9_type_info); +} + +type_init(pnv_homer_register_types); diff --git a/include/hw/ppc/pnv.h b/include/hw/ppc/pnv.h index 63a4b7b6a7..321d4ca967 100644 --- a/include/hw/ppc/pnv.h +++ b/include/hw/ppc/pnv.h @@ -26,6 +26,7 @@ #include "hw/ppc/pnv_lpc.h" #include "hw/ppc/pnv_psi.h" #include "hw/ppc/pnv_occ.h" +#include "hw/ppc/pnv_homer.h" #include "hw/ppc/pnv_xive.h" #include "hw/ppc/pnv_core.h" @@ -76,6 +77,7 @@ typedef struct Pnv8Chip { PnvLpcController lpc; Pnv8Psi psi; PnvOCC occ; + PnvHOMER homer; } Pnv8Chip; #define TYPE_PNV9_CHIP "pnv9-chip" @@ -90,6 +92,7 @@ typedef struct Pnv9Chip { Pnv9Psi psi; PnvLpcController lpc; PnvOCC occ; + PnvHOMER homer; uint32_t nr_quads; PnvQuad *quads; diff --git a/include/hw/ppc/pnv_homer.h b/include/hw/ppc/pnv_homer.h new file mode 100644 index 0000000000..3b666a6245 --- /dev/null +++ b/include/hw/ppc/pnv_homer.h @@ -0,0 +1,52 @@ +/* + * QEMU PowerPC PowerNV Emulation of a few HOMER related registers + * + * Copyright (c) 2019, IBM Corporation. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + */ + +#ifndef PPC_PNV_HOMER_H +#define PPC_PNV_HOMER_H + +#define TYPE_PNV_HOMER "pnv-homer" +#define PNV_HOMER(obj) OBJECT_CHECK(PnvHOMER, (obj), TYPE_PNV_HOMER) +#define TYPE_PNV8_HOMER TYPE_PNV_HOMER "-POWER8" +#define PNV8_HOMER(obj) OBJECT_CHECK(PnvHOMER, (obj), TYPE_PNV8_HOMER) +#define TYPE_PNV9_HOMER TYPE_PNV_HOMER "-POWER9" +#define PNV9_HOMER(obj) OBJECT_CHECK(PnvHOMER, (obj), TYPE_PNV9_HOMER) + +typedef struct PnvHOMER { + DeviceState parent; + + MemoryRegion homer_regs; +} PnvHOMER; + +#define PNV_HOMER_CLASS(klass) \ + OBJECT_CLASS_CHECK(PnvHOMERClass, (klass), TYPE_PNV_HOMER) +#define PNV_HOMER_GET_CLASS(obj) \ + OBJECT_GET_CLASS(PnvHOMERClass, (obj), TYPE_PNV_HOMER) + +typedef struct PnvHOMERClass { + DeviceClass parent_class; + + int homer_size; + const MemoryRegionOps *homer_ops; + + hwaddr core_max_base; +} PnvHOMERClass; + + + +#endif /* PPC_PNV_HOMER_H */