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Re: [PATCH 22/26] hw/usb/usb-hcd: Use OHCI type definitions

From: BALATON Zoltan
Subject: Re: [PATCH 22/26] hw/usb/usb-hcd: Use OHCI type definitions
Date: Sat, 4 Jul 2020 19:13:32 +0200 (CEST)
User-agent: Alpine 2.22 (BSF 395 2020-01-19) 
On Sat, 4 Jul 2020, Philippe Mathieu-Daudé wrote:

Various machine/board/soc models create OHCI device instances
with the generic QDEV API, and don't need to access USB internals.

Simplify header inclusions by moving the QOM type names into a
simple header, with no need to include other "hw/usb" headers.

Suggested-by: BALATON Zoltan <balaton@eik.bme.hu>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
---
hw/usb/hcd-ohci.h        |  2 +-
include/hw/usb/usb-hcd.h | 16 ++++++++++++++++
I wonder if we need a new header for this or these could just go in the new public hw/usb/usb.h as machines creating a HCD may also add devices (like keyboard/mouse) so probably will need both headers anyway so splitting it up may not worth it but I don't really mind, either way. 

For sm501 and sam460ex parts:

Reviewed-by: BALATON Zoltan <balaton@eik.bme.hu>

Regards,
BALATON Zoltan


hw/arm/allwinner-a10.c   |  2 +-
hw/arm/allwinner-h3.c    |  9 +++++----
hw/arm/pxa2xx.c          |  3 ++-
hw/arm/realview.c        |  3 ++-
hw/arm/versatilepb.c     |  3 ++-
hw/display/sm501.c       |  3 ++-
hw/ppc/mac_newworld.c    |  3 ++-
hw/ppc/mac_oldworld.c    |  3 ++-
hw/ppc/sam460ex.c        |  3 ++-
hw/ppc/spapr.c           |  3 ++-
hw/usb/hcd-ohci-pci.c    |  2 +-
13 files changed, 40 insertions(+), 15 deletions(-)
create mode 100644 include/hw/usb/usb-hcd.h

diff --git a/hw/usb/hcd-ohci.h b/hw/usb/hcd-ohci.h
index 771927ea17..6949cf0dab 100644
--- a/hw/usb/hcd-ohci.h
+++ b/hw/usb/hcd-ohci.h
@@ -21,6 +21,7 @@
#ifndef HCD_OHCI_H
#define HCD_OHCI_H

+#include "hw/usb/usb-hcd.h"
#include "sysemu/dma.h"
#include "usb-internal.h"

@@ -91,7 +92,6 @@ typedef struct OHCIState {
    void (*ohci_die)(struct OHCIState *ohci);
} OHCIState;

-#define TYPE_SYSBUS_OHCI "sysbus-ohci"
#define SYSBUS_OHCI(obj) OBJECT_CHECK(OHCISysBusState, (obj), TYPE_SYSBUS_OHCI)

typedef struct {
diff --git a/include/hw/usb/usb-hcd.h b/include/hw/usb/usb-hcd.h
new file mode 100644
index 0000000000..21fdfaf22d
--- /dev/null
+++ b/include/hw/usb/usb-hcd.h
@@ -0,0 +1,16 @@
+/*
+ * QEMU USB HCD types
+ *
+ * Copyright (c) 2020  Philippe Mathieu-Daudé <f4bug@amsat.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+
+#ifndef HW_USB_HCD_TYPES_H
+#define HW_USB_HCD_TYPES_H
+
+/* OHCI */
+#define TYPE_SYSBUS_OHCI            "sysbus-ohci"
+#define TYPE_PCI_OHCI               "pci-ohci"
+
+#endif
diff --git a/hw/arm/allwinner-a10.c b/hw/arm/allwinner-a10.c
index 52e0d83760..53c24ff602 100644
--- a/hw/arm/allwinner-a10.c
+++ b/hw/arm/allwinner-a10.c
@@ -25,7 +25,7 @@
#include "hw/misc/unimp.h"
#include "sysemu/sysemu.h"
#include "hw/boards.h"
-#include "hw/usb/hcd-ohci.h"
+#include "hw/usb/usb-hcd.h"

#define AW_A10_MMC0_BASE        0x01c0f000
#define AW_A10_PIC_REG_BASE     0x01c20400
diff --git a/hw/arm/allwinner-h3.c b/hw/arm/allwinner-h3.c
index 8e09468e86..d1d90ffa79 100644
--- a/hw/arm/allwinner-h3.c
+++ b/hw/arm/allwinner-h3.c
@@ -28,6 +28,7 @@
#include "hw/sysbus.h"
#include "hw/char/serial.h"
#include "hw/misc/unimp.h"
+#include "hw/usb/usb-hcd.h"
#include "hw/usb/hcd-ehci.h"
#include "hw/loader.h"
#include "sysemu/sysemu.h"
@@ -381,16 +382,16 @@ static void allwinner_h3_realize(DeviceState *dev, Error 
**errp)
                         qdev_get_gpio_in(DEVICE(&s->gic),
                                          AW_H3_GIC_SPI_EHCI3));

-    sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_OHCI0],
+    sysbus_create_simple(TYPE_SYSBUS_OHCI, s->memmap[AW_H3_OHCI0],
                         qdev_get_gpio_in(DEVICE(&s->gic),
                                          AW_H3_GIC_SPI_OHCI0));
-    sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_OHCI1],
+    sysbus_create_simple(TYPE_SYSBUS_OHCI, s->memmap[AW_H3_OHCI1],
                         qdev_get_gpio_in(DEVICE(&s->gic),
                                          AW_H3_GIC_SPI_OHCI1));
-    sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_OHCI2],
+    sysbus_create_simple(TYPE_SYSBUS_OHCI, s->memmap[AW_H3_OHCI2],
                         qdev_get_gpio_in(DEVICE(&s->gic),
                                          AW_H3_GIC_SPI_OHCI2));
-    sysbus_create_simple("sysbus-ohci", s->memmap[AW_H3_OHCI3],
+    sysbus_create_simple(TYPE_SYSBUS_OHCI, s->memmap[AW_H3_OHCI3],
                         qdev_get_gpio_in(DEVICE(&s->gic),
                                          AW_H3_GIC_SPI_OHCI3));

diff --git a/hw/arm/pxa2xx.c b/hw/arm/pxa2xx.c
index f104a33463..27196170f5 100644
--- a/hw/arm/pxa2xx.c
+++ b/hw/arm/pxa2xx.c
@@ -18,6 +18,7 @@
#include "hw/arm/pxa.h"
#include "sysemu/sysemu.h"
#include "hw/char/serial.h"
+#include "hw/usb/usb-hcd.h"
#include "hw/i2c/i2c.h"
#include "hw/irq.h"
#include "hw/qdev-properties.h"
@@ -2196,7 +2197,7 @@ PXA2xxState *pxa270_init(MemoryRegion *address_space,
        s->ssp[i] = (SSIBus *)qdev_get_child_bus(dev, "ssi");
    }

-    sysbus_create_simple("sysbus-ohci", 0x4c000000,
+    sysbus_create_simple(TYPE_SYSBUS_OHCI, 0x4c000000,
                         qdev_get_gpio_in(s->pic, PXA2XX_PIC_USBH1));

    s->pcmcia[0] = pxa2xx_pcmcia_init(address_space, 0x20000000);
diff --git a/hw/arm/realview.c b/hw/arm/realview.c
index b6c0a1adb9..0aa34bd4c2 100644
--- a/hw/arm/realview.c
+++ b/hw/arm/realview.c
@@ -16,6 +16,7 @@
#include "hw/net/lan9118.h"
#include "hw/net/smc91c111.h"
#include "hw/pci/pci.h"
+#include "hw/usb/usb-hcd.h"
#include "net/net.h"
#include "sysemu/sysemu.h"
#include "hw/boards.h"
@@ -256,7 +257,7 @@ static void realview_init(MachineState *machine,
        sysbus_connect_irq(busdev, 3, pic[51]);
        pci_bus = (PCIBus *)qdev_get_child_bus(dev, "pci");
        if (machine_usb(machine)) {
-            pci_create_simple(pci_bus, -1, "pci-ohci");
+            pci_create_simple(pci_bus, -1, TYPE_PCI_OHCI);
        }
        n = drive_get_max_bus(IF_SCSI);
        while (n >= 0) {
diff --git a/hw/arm/versatilepb.c b/hw/arm/versatilepb.c
index e596b8170f..3e6224dc96 100644
--- a/hw/arm/versatilepb.c
+++ b/hw/arm/versatilepb.c
@@ -17,6 +17,7 @@
#include "net/net.h"
#include "sysemu/sysemu.h"
#include "hw/pci/pci.h"
+#include "hw/usb/usb-hcd.h"
#include "hw/i2c/i2c.h"
#include "hw/i2c/arm_sbcon_i2c.h"
#include "hw/irq.h"
@@ -273,7 +274,7 @@ static void versatile_init(MachineState *machine, int 
board_id)
        }
    }
    if (machine_usb(machine)) {
-        pci_create_simple(pci_bus, -1, "pci-ohci");
+        pci_create_simple(pci_bus, -1, TYPE_PCI_OHCI);
    }
    n = drive_get_max_bus(IF_SCSI);
    while (n >= 0) {
diff --git a/hw/display/sm501.c b/hw/display/sm501.c
index 9cccc68c35..5f076c841f 100644
--- a/hw/display/sm501.c
+++ b/hw/display/sm501.c
@@ -33,6 +33,7 @@
#include "hw/sysbus.h"
#include "migration/vmstate.h"
#include "hw/pci/pci.h"
+#include "hw/usb/usb-hcd.h"
#include "hw/qdev-properties.h"
#include "hw/i2c/i2c.h"
#include "hw/display/i2c-ddc.h"
@@ -1961,7 +1962,7 @@ static void sm501_realize_sysbus(DeviceState *dev, Error 
**errp)
    sysbus_init_mmio(sbd, &s->state.mmio_region);

    /* bridge to usb host emulation module */
-    usb_dev = qdev_new("sysbus-ohci");
+    usb_dev = qdev_new(TYPE_SYSBUS_OHCI);
    qdev_prop_set_uint32(usb_dev, "num-ports", 2);
    qdev_prop_set_uint64(usb_dev, "dma-offset", s->base);
    sysbus_realize_and_unref(SYS_BUS_DEVICE(usb_dev), &error_fatal);
diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c
index 7bf69f4a1f..3c32c1831b 100644
--- a/hw/ppc/mac_newworld.c
+++ b/hw/ppc/mac_newworld.c
@@ -55,6 +55,7 @@
#include "hw/input/adb.h"
#include "hw/ppc/mac_dbdma.h"
#include "hw/pci/pci.h"
+#include "hw/usb/usb-hcd.h"
#include "net/net.h"
#include "sysemu/sysemu.h"
#include "hw/boards.h"
@@ -411,7 +412,7 @@ static void ppc_core99_init(MachineState *machine)
    }

    if (machine->usb) {
-        pci_create_simple(pci_bus, -1, "pci-ohci");
+        pci_create_simple(pci_bus, -1, TYPE_PCI_OHCI);

        /* U3 needs to use USB for input because Linux doesn't support via-cuda
        on PPC64 */
diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c
index f8c204ead7..a429a3e1df 100644
--- a/hw/ppc/mac_oldworld.c
+++ b/hw/ppc/mac_oldworld.c
@@ -37,6 +37,7 @@
#include "hw/isa/isa.h"
#include "hw/pci/pci.h"
#include "hw/pci/pci_host.h"
+#include "hw/usb/usb-hcd.h"
#include "hw/boards.h"
#include "hw/nvram/fw_cfg.h"
#include "hw/char/escc.h"
@@ -301,7 +302,7 @@ static void ppc_heathrow_init(MachineState *machine)
    qdev_realize_and_unref(dev, adb_bus, &error_fatal);

    if (machine_usb(machine)) {
-        pci_create_simple(pci_bus, -1, "pci-ohci");
+        pci_create_simple(pci_bus, -1, TYPE_PCI_OHCI);
    }

    if (graphic_depth != 15 && graphic_depth != 32 && graphic_depth != 8)
diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c
index 781b45e14b..ac60d17a86 100644
--- a/hw/ppc/sam460ex.c
+++ b/hw/ppc/sam460ex.c
@@ -36,6 +36,7 @@
#include "hw/i2c/ppc4xx_i2c.h"
#include "hw/i2c/smbus_eeprom.h"
#include "hw/usb/usb.h"
+#include "hw/usb/usb-hcd.h"
#include "hw/usb/hcd-ehci.h"
#include "hw/ppc/fdt.h"
#include "hw/qdev-properties.h"
@@ -372,7 +373,7 @@ static void sam460ex_init(MachineState *machine)

    /* USB */
    sysbus_create_simple(TYPE_PPC4xx_EHCI, 0x4bffd0400, uic[2][29]);
-    dev = qdev_new("sysbus-ohci");
+    dev = qdev_new(TYPE_SYSBUS_OHCI);
    qdev_prop_set_string(dev, "masterbus", "usb-bus.0");
    qdev_prop_set_uint32(dev, "num-ports", 6);
    sbdev = SYS_BUS_DEVICE(dev);
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 0c0409077f..db1706a66c 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -71,6 +71,7 @@
#include "exec/address-spaces.h"
#include "exec/ram_addr.h"
#include "hw/usb/usb.h"
+#include "hw/usb/usb-hcd.h"
#include "qemu/config-file.h"
#include "qemu/error-report.h"
#include "trace.h"
@@ -2958,7 +2959,7 @@ static void spapr_machine_init(MachineState *machine)

    if (machine->usb) {
        if (smc->use_ohci_by_default) {
-            pci_create_simple(phb->bus, -1, "pci-ohci");
+            pci_create_simple(phb->bus, -1, TYPE_PCI_OHCI);
        } else {
            pci_create_simple(phb->bus, -1, "nec-usb-xhci");
        }
diff --git a/hw/usb/hcd-ohci-pci.c b/hw/usb/hcd-ohci-pci.c
index cb6bc55f59..14df83ec2e 100644
--- a/hw/usb/hcd-ohci-pci.c
+++ b/hw/usb/hcd-ohci-pci.c
@@ -29,8 +29,8 @@
#include "trace.h"
#include "hcd-ohci.h"
#include "usb-internal.h"
+#include "hw/usb/usb-hcd.h"

-#define TYPE_PCI_OHCI "pci-ohci"
#define PCI_OHCI(obj) OBJECT_CHECK(OHCIPCIState, (obj), TYPE_PCI_OHCI)

typedef struct {
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