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b=nh0L8uswgU3eRSb4Vwoq+8oxbcoBSdR7rO769MB5PwkdAXKJ2yIeFX9TBK8sYYCu2ZQ0 w1ex/SRGdoQgSXpVT3ILki+lD0V2PGdwmy2IbTyCIzDwFUbJdR2ROfiNOAGpsyMvPGna ZQHTF4EntsUFXxDv9UxkdrKCMpk3ZMLiuc5lxSpA+Zh8pXw9dy2NQVEVqiTUr6A1p/6c NAXmqlS/UiymuAeH6yhLkgQXoPt0d2O3Kdrgd0BYMvgV1oe897dmrBoCjlnl83FHNpHU /atjrjtiamanKXflHKdIl92hPARWXax5b0FaI9wZirp31awf4WrvRCoKxeG5W7CSlqjN OA== From: Ninad Palsule To: qemu-devel@nongnu.org, clg@kaod.org, peter.maydell@linaro.org, andrew@codeconstruct.com.au, joel@jms.id.au, pbonzini@redhat.com, marcandre.lureau@redhat.com, berrange@redhat.com, thuth@redhat.com, philmd@linaro.org, lvivier@redhat.com Cc: Ninad Palsule , qemu-arm@nongnu.org, Andrew Jeffery Subject: [PATCH v11 01/11] hw/fsi: Introduce IBM's Local bus Date: Thu, 25 Jan 2024 21:40:16 -0600 Message-Id: <20240126034026.31068-2-ninad@linux.ibm.com> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240126034026.31068-1-ninad@linux.ibm.com> References: <20240126034026.31068-1-ninad@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: te2_O-YDQ2E4QMOyeqenhxhn9BkGARAr X-Proofpoint-GUID: cCZp9xpVXqKBH-4hCb4SjxNzmgSpdpwQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-01-25_14,2024-01-25_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 clxscore=1015 mlxlogscore=906 spamscore=0 mlxscore=0 lowpriorityscore=0 phishscore=0 impostorscore=0 adultscore=0 bulkscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311290000 definitions=main-2401260024 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.156.1; envelope-from=ninad@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @ibm.com) X-ZM-MESSAGEID: 1706240586193100002 This is a part of patchset where IBM's Flexible Service Interface is introduced. The LBUS is modelled to maintain mapped memory for the devices. The memory is mapped after CFAM config, peek table and FSI slave registers. Signed-off-by: Andrew Jeffery [ clg: - removed lbus_add_device() bc unused - removed lbus_create_device() bc used only once - removed "address" property - updated meson.build to build fsi dir - included an empty hw/fsi/trace-events ] Signed-off-by: C=C3=A9dric Le Goater Signed-off-by: Ninad Palsule Reviewed-by: C=C3=A9dric Le Goater --- v9: - Changed LBUS memory region to 1MB. v11: - Split lbus and scratchpad into separate patches. - Added fsi_ prefix for all functions in lbus. - Removed FSI_LBUS* typedefs. - Replaced for loop with memset. --- meson.build | 1 + hw/fsi/trace.h | 1 + include/hw/fsi/lbus.h | 32 ++++++++++++++++++++++++++++++++ hw/fsi/lbus.c | 43 +++++++++++++++++++++++++++++++++++++++++++ hw/Kconfig | 1 + hw/fsi/Kconfig | 2 ++ hw/fsi/meson.build | 1 + hw/fsi/trace-events | 0 hw/meson.build | 1 + 9 files changed, 82 insertions(+) create mode 100644 hw/fsi/trace.h create mode 100644 include/hw/fsi/lbus.h create mode 100644 hw/fsi/lbus.c create mode 100644 hw/fsi/Kconfig create mode 100644 hw/fsi/meson.build create mode 100644 hw/fsi/trace-events diff --git a/meson.build b/meson.build index d0329966f1..7d926c6e82 100644 --- a/meson.build +++ b/meson.build @@ -3290,6 +3290,7 @@ if have_system 'hw/char', 'hw/display', 'hw/dma', + 'hw/fsi', 'hw/hyperv', 'hw/i2c', 'hw/i386', diff --git a/hw/fsi/trace.h b/hw/fsi/trace.h new file mode 100644 index 0000000000..ee67c7fb04 --- /dev/null +++ b/hw/fsi/trace.h @@ -0,0 +1 @@ +#include "trace/trace-hw_fsi.h" diff --git a/include/hw/fsi/lbus.h b/include/hw/fsi/lbus.h new file mode 100644 index 0000000000..e8a22e22a8 --- /dev/null +++ b/include/hw/fsi/lbus.h @@ -0,0 +1,32 @@ +/* + * SPDX-License-Identifier: GPL-2.0-or-later + * Copyright (C) 2024 IBM Corp. + * + * IBM Local bus and connected device structures. + */ +#ifndef FSI_LBUS_H +#define FSI_LBUS_H + +#include "hw/qdev-core.h" +#include "qemu/units.h" +#include "exec/memory.h" + +#define TYPE_FSI_LBUS_DEVICE "fsi.lbus.device" +OBJECT_DECLARE_SIMPLE_TYPE(FSILBusDevice, FSI_LBUS_DEVICE) + +typedef struct FSILBusDevice { + DeviceState parent; + + MemoryRegion iomem; +} FSILBusDevice; + +#define TYPE_FSI_LBUS "fsi.lbus" +OBJECT_DECLARE_SIMPLE_TYPE(FSILBus, FSI_LBUS) + +typedef struct FSILBus { + BusState bus; + + MemoryRegion mr; +} FSILBus; + +#endif /* FSI_LBUS_H */ diff --git a/hw/fsi/lbus.c b/hw/fsi/lbus.c new file mode 100644 index 0000000000..44d2319087 --- /dev/null +++ b/hw/fsi/lbus.c @@ -0,0 +1,43 @@ +/* + * SPDX-License-Identifier: GPL-2.0-or-later + * Copyright (C) 2024 IBM Corp. + * + * IBM Local bus where FSI slaves are connected + */ + +#include "qemu/osdep.h" +#include "qapi/error.h" +#include "hw/fsi/lbus.h" + +#include "hw/qdev-properties.h" + +#include "trace.h" + +static void fsi_lbus_init(Object *o) +{ + FSILBus *lbus =3D FSI_LBUS(o); + + memory_region_init(&lbus->mr, OBJECT(lbus), TYPE_FSI_LBUS, 1 * MiB); +} + +static const TypeInfo fsi_lbus_info =3D { + .name =3D TYPE_FSI_LBUS, + .parent =3D TYPE_BUS, + .instance_init =3D fsi_lbus_init, + .instance_size =3D sizeof(FSILBus), +}; + +static const TypeInfo fsi_lbus_device_type_info =3D { + .name =3D TYPE_FSI_LBUS_DEVICE, + .parent =3D TYPE_DEVICE, + .instance_size =3D sizeof(FSILBusDevice), + .abstract =3D true, +}; + +static void fsi_lbus_register_types(void) +{ + type_register_static(&fsi_lbus_info); + type_register_static(&fsi_lbus_device_type_info); +} + +type_init(fsi_lbus_register_types); diff --git a/hw/Kconfig b/hw/Kconfig index 9ca7b38c31..2c00936c28 100644 --- a/hw/Kconfig +++ b/hw/Kconfig @@ -9,6 +9,7 @@ source core/Kconfig source cxl/Kconfig source display/Kconfig source dma/Kconfig +source fsi/Kconfig source gpio/Kconfig source hyperv/Kconfig source i2c/Kconfig diff --git a/hw/fsi/Kconfig b/hw/fsi/Kconfig new file mode 100644 index 0000000000..9c34a418d7 --- /dev/null +++ b/hw/fsi/Kconfig @@ -0,0 +1,2 @@ +config FSI + bool diff --git a/hw/fsi/meson.build b/hw/fsi/meson.build new file mode 100644 index 0000000000..93ba19dd04 --- /dev/null +++ b/hw/fsi/meson.build @@ -0,0 +1 @@ +system_ss.add(when: 'CONFIG_FSI', if_true: files('lbus.c')) diff --git a/hw/fsi/trace-events b/hw/fsi/trace-events new file mode 100644 index 0000000000..e69de29bb2 diff --git a/hw/meson.build b/hw/meson.build index f01fac4617..463d702683 100644 --- a/hw/meson.build +++ b/hw/meson.build @@ -44,6 +44,7 @@ subdir('virtio') subdir('watchdog') subdir('xen') subdir('xenpv') +subdir('fsi') =20 subdir('alpha') subdir('arm') --=20 2.39.2