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DIR:OUT; SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Sep 2020 06:27:35.9973 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d3adeeaf-6a00-488a-769e-08d855529ba8 X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c; Ip=[149.199.60.83]; Helo=[xsj-pvapsmtpgw01] X-MS-Exchange-CrossTenant-AuthSource: CY1NAM02FT056.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: BN8PR02MB5907 Received-SPF: pass client-ip=40.107.70.86; envelope-from=saipava@xilinx.com; helo=NAM04-SN1-obe.outbound.protection.outlook.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/10 02:27:38 X-ACL-Warn: Detected OS = Windows NT kernel [generic] [fuzzy] X-Spam_score_int: -25 X-Spam_score: -2.6 X-Spam_bar: -- X-Spam_report: (-2.6 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-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: Eduardo Habkost , Vikram Garhwal , sai.pavan.boddu@xilinx.com, qemu-devel@nongnu.org, Paul Zimmerman , Alistair Francis , Ying Fang , =?utf-8?q?=27Philippe_Mathieu-Daud=C3=A9?= =?utf-8?q?=27?= Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Use XHCI as sysbus device, add memory region property to get the address space instance for dma read/write. Signed-off-by: Sai Pavan Boddu --- hw/usb/Kconfig | 5 +++ hw/usb/hcd-xhci-sysbus.c | 99 ++++++++++++++++++++++++++++++++++++++++++++++++ hw/usb/hcd-xhci-sysbus.h | 32 ++++++++++++++++ hw/usb/hcd-xhci.h | 1 + hw/usb/meson.build | 1 + 5 files changed, 138 insertions(+) create mode 100644 hw/usb/hcd-xhci-sysbus.c create mode 100644 hw/usb/hcd-xhci-sysbus.h diff --git a/hw/usb/Kconfig b/hw/usb/Kconfig index bab582f..4dd2ba9 100644 --- a/hw/usb/Kconfig +++ b/hw/usb/Kconfig @@ -48,6 +48,11 @@ config USB_XHCI_NEC depends on PCI select USB_XHCI +config USB_XHCI_SYSBUS + bool + default y if USB_XHCI + select USB + config USB_MUSB bool select USB diff --git a/hw/usb/hcd-xhci-sysbus.c b/hw/usb/hcd-xhci-sysbus.c new file mode 100644 index 0000000..d5b4656 --- /dev/null +++ b/hw/usb/hcd-xhci-sysbus.c @@ -0,0 +1,99 @@ +/* + * USB xHCI controller for system-bus interface + * Based on hcd-echi-sysbus.c + + * SPDX-FileCopyrightText: 2020 Xilinx + * SPDX-FileContributor: Author: Sai Pavan Boddu + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ +#include "qemu/osdep.h" +#include "hw/qdev-properties.h" +#include "migration/vmstate.h" +#include "trace.h" +#include "qapi/error.h" +#include "hcd-xhci-sysbus.h" +#include "hw/irq.h" + +static void xhci_sysbus_intr_raise(XHCIState *xhci, int n, bool level) +{ + XHCISysbusState *s = container_of(xhci, XHCISysbusState, xhci); + + qemu_set_irq(s->irq[n], level); +} + +void xhci_sysbus_reset(DeviceState *dev) +{ + XHCISysbusState *s = XHCI_SYSBUS(dev); + + device_legacy_reset(DEVICE(&s->xhci)); +} + +static void xhci_sysbus_realize(DeviceState *dev, Error **errp) +{ + XHCISysbusState *s = XHCI_SYSBUS(dev); + Error *err = NULL; + + object_property_set_link(OBJECT(&s->xhci), "host", OBJECT(s), NULL); + object_property_set_bool(OBJECT(&s->xhci), "realized", true, &err); + if (err) { + error_propagate(errp, err); + return; + } + s->irq = g_new0(qemu_irq, s->xhci.numintrs); + qdev_init_gpio_out_named(dev, s->irq, SYSBUS_DEVICE_GPIO_IRQ, + s->xhci.numintrs); + if (s->xhci.dma_mr) { + s->xhci.as = g_malloc0(sizeof(AddressSpace)); + address_space_init(s->xhci.as, s->xhci.dma_mr, NULL); + } else { + s->xhci.as = &address_space_memory; + } + + sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->xhci.mem); +} + +static void xhci_sysbus_instance_init(Object *obj) +{ + XHCISysbusState *s = XHCI_SYSBUS(obj); + + object_initialize_child(obj, "xhci-core", &s->xhci, TYPE_XHCI); + qdev_alias_all_properties(DEVICE(&s->xhci), obj); + + object_property_add_link(obj, "dma", TYPE_MEMORY_REGION, + (Object **)&s->xhci.dma_mr, + qdev_prop_allow_set_link_before_realize, + OBJ_PROP_LINK_STRONG); + s->xhci.intr_update = NULL; + s->xhci.intr_raise = xhci_sysbus_intr_raise; +} + +static Property xhci_sysbus_props[] = { + DEFINE_PROP_UINT32("intrs", XHCISysbusState, xhci.numintrs, MAXINTRS), + DEFINE_PROP_UINT32("slots", XHCISysbusState, xhci.numslots, MAXSLOTS), + DEFINE_PROP_END_OF_LIST(), +}; + +static void xhci_sysbus_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(klass); + + dc->reset = xhci_sysbus_reset; + dc->realize = xhci_sysbus_realize; + device_class_set_props(dc, xhci_sysbus_props); +} + +static const TypeInfo xhci_sysbus_info = { + .name = TYPE_XHCI_SYSBUS, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(XHCISysbusState), + .class_init = xhci_sysbus_class_init, + .instance_init = xhci_sysbus_instance_init +}; + +static void xhci_sysbus_register_types(void) +{ + type_register_static(&xhci_sysbus_info); +} + +type_init(xhci_sysbus_register_types); diff --git a/hw/usb/hcd-xhci-sysbus.h b/hw/usb/hcd-xhci-sysbus.h new file mode 100644 index 0000000..a308753 --- /dev/null +++ b/hw/usb/hcd-xhci-sysbus.h @@ -0,0 +1,32 @@ +/* + * USB xHCI controller for system-bus interface + * + * SPDX-FileCopyrightText: 2020 Xilinx + * SPDX-FileContributor: Author: Sai Pavan Boddu + * SPDX-sourceInfo: Based on hcd-echi-sysbus + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#ifndef HW_USB_HCD_XHCI_SYSBUS_H +#define HW_USB_HCD_XHCI_SYSBUS_H + +#include "hw/usb.h" +#include "hcd-xhci.h" +#include "hw/sysbus.h" + +#define TYPE_XHCI_SYSBUS "sysbus-xhci" +#define XHCI_SYSBUS(obj) \ + OBJECT_CHECK(XHCISysbusState, (obj), TYPE_XHCI_SYSBUS) + + +typedef struct XHCISysbusState { + /*< private >*/ + SysBusDevice parent_obj; + /*< public >*/ + XHCIState xhci; + qemu_irq *irq; +} XHCISysbusState; + +void xhci_sysbus_reset(DeviceState *dev); +#endif diff --git a/hw/usb/hcd-xhci.h b/hw/usb/hcd-xhci.h index e4f36c6..ce452ed 100644 --- a/hw/usb/hcd-xhci.h +++ b/hw/usb/hcd-xhci.h @@ -190,6 +190,7 @@ typedef struct XHCIState { USBBus bus; MemoryRegion mem; + MemoryRegion *dma_mr; AddressSpace *as; MemoryRegion mem_cap; MemoryRegion mem_oper; diff --git a/hw/usb/meson.build b/hw/usb/meson.build index 90dc54f..934e4fa 100644 --- a/hw/usb/meson.build +++ b/hw/usb/meson.build @@ -22,6 +22,7 @@ softmmu_ss.add(when: 'CONFIG_USB_EHCI_PCI', if_true: files('hcd-ehci-pci.c')) softmmu_ss.add(when: 'CONFIG_USB_EHCI_SYSBUS', if_true: files('hcd-ehci.c', 'hcd-ehci-sysbus.c')) softmmu_ss.add(when: 'CONFIG_USB_XHCI', if_true: files('hcd-xhci.c')) softmmu_ss.add(when: 'CONFIG_USB_XHCI_PCI', if_true: files('hcd-xhci-pci.c')) +softmmu_ss.add(when: 'CONFIG_USB_XHCI_SYSBUS', if_true: files('hcd-xhci-sysbus.c')) softmmu_ss.add(when: 'CONFIG_USB_XHCI_NEC', if_true: files('hcd-xhci-nec.c')) softmmu_ss.add(when: 'CONFIG_USB_MUSB', if_true: files('hcd-musb.c')) softmmu_ss.add(when: 'CONFIG_USB_DWC2', if_true: files('hcd-dwc2.c'))