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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] Re: [PATCH 24/26] hw/usb/usb-hcd: Use UHCI type definitions
On 7/4/20 9:44 PM, BALATON Zoltan wrote:
> On Sat, 4 Jul 2020, Philippe Mathieu-Daudé wrote:
>> On 7/4/20 7:17 PM, BALATON Zoltan wrote:
>>> On Sat, 4 Jul 2020, Philippe Mathieu-Daudé wrote:
>>>> Various machine/board/soc models create UHCI 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@xxxxxxxxxx>
>>>> Signed-off-by: Philippe Mathieu-Daudé <f4bug@xxxxxxxxx>
>>>> ---
>>>> include/hw/usb/usb-hcd.h | 6 ++++++
>>>> hw/i386/pc_piix.c | 3 ++-
>>>> hw/i386/pc_q35.c | 13 +++++++------
>>>> hw/isa/piix4.c | 3 ++-
>>>> hw/mips/fuloong2e.c | 5 +++--
>>>> hw/usb/hcd-uhci.c | 19 ++++++++++---------
>>>> 6 files changed, 30 insertions(+), 19 deletions(-)
>>>>
>>>> diff --git a/include/hw/usb/usb-hcd.h b/include/hw/usb/usb-hcd.h
>>>> index 74af3a4533..c9d0a88984 100644
>>>> --- a/include/hw/usb/usb-hcd.h
>>>> +++ b/include/hw/usb/usb-hcd.h
>>>> @@ -24,4 +24,10 @@
>>>> #define TYPE_FUSBH200_EHCI "fusbh200-ehci-usb"
>>>> #define TYPE_CHIPIDEA "usb-chipidea"
>>>>
>>>> +/* UHCI */
>>>> +#define TYPE_PIIX3_USB_UHCI "piix3-usb-uhci"
>>>> +#define TYPE_PIIX4_USB_UHCI "piix4-usb-uhci"
>>>> +#define TYPE_VT82C686B_USB_UHCI "vt82c686b-usb-uhci"
>>>> +#define TYPE_ICH9_USB_UHCI(n) "ich9-usb-uhci" #n
>>>
>>> What is that #n at the end? Looks like a typo. Does it break
>>> compilation?
>>
>> #n is a C preprocessor feature that expand the 'n' argument to a "n"
>> string, so:
>>
>> TYPE_ICH9_USB_UHCI(1) = "ich9-usb-uhci" #1
>> = "ich9-usb-uhci" "1"
>> = "ich9-usb-uhci1"
>>
>> I'm pretty sure we use that elsewhere. If not, I can add a definition
>> for each 1 ... 6 typenames.
>
> No it's OK, no need to list all defines. I just did not notice the macro
> argument that's why I was wondering where it comes from. This seems to
> be used elsewhere at least here:
>
> hw/audio/es1370.c:#define a(n) if (val & CTRL_##n) strcat (buf, " "#n)
> hw/audio/es1370.c:#define a(n) if (val & SCTRL_##n) strcat (buf, " "#n)
> hw/audio/es1370.c:#define b(n) if (!(val & SCTRL_##n)) strcat (buf, " "#n)
>
> Maybe writing it without the space between "# is clearer as then it
> looks more like it's part of the value.
Ah clever indeed. Thanks!
>
> Regards,
> BALATON Zoltan
>
>>>> +
>>>> #endif
>>>> diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
>>>> index 4d1de7cfab..0024c346c6 100644
>>>> --- a/hw/i386/pc_piix.c
>>>> +++ b/hw/i386/pc_piix.c
>>>> @@ -37,6 +37,7 @@
>>>> #include "hw/pci/pci.h"
>>>> #include "hw/pci/pci_ids.h"
>>>> #include "hw/usb/usb.h"
>>>> +#include "hw/usb/usb-hcd.h"
>>>> #include "net/net.h"
>>>> #include "hw/ide/pci.h"
>>>> #include "hw/irq.h"
>>>> @@ -275,7 +276,7 @@ static void pc_init1(MachineState *machine,
>>>> #endif
>>>>
>>>> if (pcmc->pci_enabled && machine_usb(machine)) {
>>>> - pci_create_simple(pci_bus, piix3_devfn + 2, "piix3-usb-uhci");
>>>> + pci_create_simple(pci_bus, piix3_devfn + 2,
>>>> TYPE_PIIX3_USB_UHCI);
>>>> }
>>>>
>>>> if (pcmc->pci_enabled &&
>>>> x86_machine_is_acpi_enabled(X86_MACHINE(pcms))) {
>>>> diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
>>>> index b985f5bea1..a80527e6ed 100644
>>>> --- a/hw/i386/pc_q35.c
>>>> +++ b/hw/i386/pc_q35.c
>>>> @@ -51,6 +51,7 @@
>>>> #include "hw/ide/pci.h"
>>>> #include "hw/ide/ahci.h"
>>>> #include "hw/usb/usb.h"
>>>> +#include "hw/usb/usb-hcd.h"
>>>> #include "qapi/error.h"
>>>> #include "qemu/error-report.h"
>>>> #include "sysemu/numa.h"
>>>> @@ -68,15 +69,15 @@ struct ehci_companions {
>>>> };
>>>>
>>>> static const struct ehci_companions ich9_1d[] = {
>>>> - { .name = "ich9-usb-uhci1", .func = 0, .port = 0 },
>>>> - { .name = "ich9-usb-uhci2", .func = 1, .port = 2 },
>>>> - { .name = "ich9-usb-uhci3", .func = 2, .port = 4 },
>>>> + { .name = TYPE_ICH9_USB_UHCI(1), .func = 0, .port = 0 },
>>>> + { .name = TYPE_ICH9_USB_UHCI(2), .func = 1, .port = 2 },
>>>> + { .name = TYPE_ICH9_USB_UHCI(3), .func = 2, .port = 4 },
>>>> };
>>>>
>>>> static const struct ehci_companions ich9_1a[] = {
>>>> - { .name = "ich9-usb-uhci4", .func = 0, .port = 0 },
>>>> - { .name = "ich9-usb-uhci5", .func = 1, .port = 2 },
>>>> - { .name = "ich9-usb-uhci6", .func = 2, .port = 4 },
>>>> + { .name = TYPE_ICH9_USB_UHCI(4), .func = 0, .port = 0 },
>>>> + { .name = TYPE_ICH9_USB_UHCI(5), .func = 1, .port = 2 },
>>>> + { .name = TYPE_ICH9_USB_UHCI(6), .func = 2, .port = 4 },
>>>> };
>>>>
>>>> static int ehci_create_ich9_with_companions(PCIBus *bus, int slot)
>>>> diff --git a/hw/isa/piix4.c b/hw/isa/piix4.c
>>>> index f634bcb2d1..e11e5fae21 100644
>>>> --- a/hw/isa/piix4.c
>>>> +++ b/hw/isa/piix4.c
>>>> @@ -29,6 +29,7 @@
>>>> #include "hw/southbridge/piix.h"
>>>> #include "hw/pci/pci.h"
>>>> #include "hw/isa/isa.h"
>>>> +#include "hw/usb/usb-hcd.h"
>>>> #include "hw/sysbus.h"
>>>> #include "hw/intc/i8259.h"
>>>> #include "hw/dma/i8257.h"
>>>> @@ -255,7 +256,7 @@ DeviceState *piix4_create(PCIBus *pci_bus, ISABus
>>>> **isa_bus, I2CBus **smbus)
>>>> pci = pci_create_simple(pci_bus, devfn + 1, "piix4-ide");
>>>> pci_ide_create_devs(pci);
>>>>
>>>> - pci_create_simple(pci_bus, devfn + 2, "piix4-usb-uhci");
>>>> + pci_create_simple(pci_bus, devfn + 2, TYPE_PIIX4_USB_UHCI);
>>>> if (smbus) {
>>>> *smbus = piix4_pm_init(pci_bus, devfn + 3, 0x1100,
>>>> isa_get_irq(NULL, 9), NULL, 0, NULL);
>>>> diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c
>>>> index 8ca31e5162..b6d33dd2cd 100644
>>>> --- a/hw/mips/fuloong2e.c
>>>> +++ b/hw/mips/fuloong2e.c
>>>> @@ -33,6 +33,7 @@
>>>> #include "hw/mips/mips.h"
>>>> #include "hw/mips/cpudevs.h"
>>>> #include "hw/pci/pci.h"
>>>> +#include "hw/usb/usb-hcd.h"
>>>> #include "qemu/log.h"
>>>> #include "hw/loader.h"
>>>> #include "hw/ide/pci.h"
>>>> @@ -258,8 +259,8 @@ static void vt82c686b_southbridge_init(PCIBus
>>>> *pci_bus, int slot, qemu_irq intc,
>>>> dev = pci_create_simple(pci_bus, PCI_DEVFN(slot, 1), "via-ide");
>>>> pci_ide_create_devs(dev);
>>>>
>>>> - pci_create_simple(pci_bus, PCI_DEVFN(slot, 2),
>>>> "vt82c686b-usb-uhci");
>>>> - pci_create_simple(pci_bus, PCI_DEVFN(slot, 3),
>>>> "vt82c686b-usb-uhci");
>>>> + pci_create_simple(pci_bus, PCI_DEVFN(slot, 2),
>>>> TYPE_VT82C686B_USB_UHCI);
>>>> + pci_create_simple(pci_bus, PCI_DEVFN(slot, 3),
>>>> TYPE_VT82C686B_USB_UHCI);
>>>>
>>>> *i2c_bus = vt82c686b_pm_init(pci_bus, PCI_DEVFN(slot, 4), 0xeee1,
>>>> NULL);
>>>>
>>>> diff --git a/hw/usb/hcd-uhci.c b/hw/usb/hcd-uhci.c
>>>> index 1d4dd33b6c..da078dc3fa 100644
>>>> --- a/hw/usb/hcd-uhci.c
>>>> +++ b/hw/usb/hcd-uhci.c
>>>> @@ -39,6 +39,7 @@
>>>> #include "qemu/main-loop.h"
>>>> #include "qemu/module.h"
>>>> #include "usb-internal.h"
>>>> +#include "hw/usb/usb-hcd.h"
>>>>
>>>> #define FRAME_TIMER_FREQ 1000
>>>>
>>>> @@ -1358,21 +1359,21 @@ static void uhci_data_class_init(ObjectClass
>>>> *klass, void *data)
>>>>
>>>> static UHCIInfo uhci_info[] = {
>>>> {
>>>> - .name = "piix3-usb-uhci",
>>>> + .name = TYPE_PIIX3_USB_UHCI,
>>>> .vendor_id = PCI_VENDOR_ID_INTEL,
>>>> .device_id = PCI_DEVICE_ID_INTEL_82371SB_2,
>>>> .revision = 0x01,
>>>> .irq_pin = 3,
>>>> .unplug = true,
>>>> },{
>>>> - .name = "piix4-usb-uhci",
>>>> + .name = TYPE_PIIX4_USB_UHCI,
>>>> .vendor_id = PCI_VENDOR_ID_INTEL,
>>>> .device_id = PCI_DEVICE_ID_INTEL_82371AB_2,
>>>> .revision = 0x01,
>>>> .irq_pin = 3,
>>>> .unplug = true,
>>>> },{
>>>> - .name = "vt82c686b-usb-uhci",
>>>> + .name = TYPE_VT82C686B_USB_UHCI,
>>>> .vendor_id = PCI_VENDOR_ID_VIA,
>>>> .device_id = PCI_DEVICE_ID_VIA_UHCI,
>>>> .revision = 0x01,
>>>> @@ -1380,42 +1381,42 @@ static UHCIInfo uhci_info[] = {
>>>> .realize = usb_uhci_vt82c686b_realize,
>>>> .unplug = true,
>>>> },{
>>>> - .name = "ich9-usb-uhci1", /* 00:1d.0 */
>>>> + .name = TYPE_ICH9_USB_UHCI(1), /* 00:1d.0 */
>>>> .vendor_id = PCI_VENDOR_ID_INTEL,
>>>> .device_id = PCI_DEVICE_ID_INTEL_82801I_UHCI1,
>>>> .revision = 0x03,
>>>> .irq_pin = 0,
>>>> .unplug = false,
>>>> },{
>>>> - .name = "ich9-usb-uhci2", /* 00:1d.1 */
>>>> + .name = TYPE_ICH9_USB_UHCI(2), /* 00:1d.1 */
>>>> .vendor_id = PCI_VENDOR_ID_INTEL,
>>>> .device_id = PCI_DEVICE_ID_INTEL_82801I_UHCI2,
>>>> .revision = 0x03,
>>>> .irq_pin = 1,
>>>> .unplug = false,
>>>> },{
>>>> - .name = "ich9-usb-uhci3", /* 00:1d.2 */
>>>> + .name = TYPE_ICH9_USB_UHCI(3), /* 00:1d.2 */
>>>> .vendor_id = PCI_VENDOR_ID_INTEL,
>>>> .device_id = PCI_DEVICE_ID_INTEL_82801I_UHCI3,
>>>> .revision = 0x03,
>>>> .irq_pin = 2,
>>>> .unplug = false,
>>>> },{
>>>> - .name = "ich9-usb-uhci4", /* 00:1a.0 */
>>>> + .name = TYPE_ICH9_USB_UHCI(4), /* 00:1a.0 */
>>>> .vendor_id = PCI_VENDOR_ID_INTEL,
>>>> .device_id = PCI_DEVICE_ID_INTEL_82801I_UHCI4,
>>>> .revision = 0x03,
>>>> .irq_pin = 0,
>>>> .unplug = false,
>>>> },{
>>>> - .name = "ich9-usb-uhci5", /* 00:1a.1 */
>>>> + .name = TYPE_ICH9_USB_UHCI(5), /* 00:1a.1 */
>>>> .vendor_id = PCI_VENDOR_ID_INTEL,
>>>> .device_id = PCI_DEVICE_ID_INTEL_82801I_UHCI5,
>>>> .revision = 0x03,
>>>> .irq_pin = 1,
>>>> .unplug = false,
>>>> },{
>>>> - .name = "ich9-usb-uhci6", /* 00:1a.2 */
>>>> + .name = TYPE_ICH9_USB_UHCI(6), /* 00:1a.2 */
>>>> .vendor_id = PCI_VENDOR_ID_INTEL,
>>>> .device_id = PCI_DEVICE_ID_INTEL_82801I_UHCI6,
>>>> .revision = 0x03,
>>>>
>>
>>
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