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Re: [Qemu-devel] [Qemu-ppc] [PATCH v2 6/6] tests: enable ohci/uhci/xhci


From: David Gibson
Subject: Re: [Qemu-devel] [Qemu-ppc] [PATCH v2 6/6] tests: enable ohci/uhci/xhci tests on PPC64
Date: Wed, 28 Sep 2016 12:45:54 +1000
User-agent: Mutt/1.7.0 (2016-08-17)

On Tue, Sep 27, 2016 at 08:55:59PM +0200, Laurent Vivier wrote:
> Signed-off-by: Laurent Vivier <address@hidden>
> ---
>  tests/Makefile.include    |  8 +++++++-
>  tests/libqos/usb.c        |  2 +-
>  tests/usb-hcd-uhci-test.c | 24 ++++++++++++++++--------
>  3 files changed, 24 insertions(+), 10 deletions(-)
> 
> diff --git a/tests/Makefile.include b/tests/Makefile.include
> index bca2cbc..4136959 100644
> --- a/tests/Makefile.include
> +++ b/tests/Makefile.include
> @@ -270,6 +270,12 @@ check-qtest-ppc64-y += tests/drive_del-test$(EXESUF)
>  check-qtest-ppc64-y += tests/postcopy-test$(EXESUF)
>  check-qtest-ppc64-y += tests/boot-serial-test$(EXESUF)
>  check-qtest-ppc64-y += tests/rtas-test$(EXESUF)
> +check-qtest-ppc64-y += tests/usb-hcd-ohci-test$(EXESUF)
> +gcov-files-ppc64-y += hw/usb/hcd-ohci.c
> +check-qtest-ppc64-y += tests/usb-hcd-uhci-test$(EXESUF)
> +gcov-files-ppc64-y += hw/usb/hcd-uhci.c
> +check-qtest-ppc64-y += tests/usb-hcd-xhci-test$(EXESUF)
> +gcov-files-ppc64-y += hw/usb/hcd-xhci.c
>  
>  check-qtest-sh4-y = tests/endianness-test$(EXESUF)
>  
> @@ -595,7 +601,7 @@ libqos-pc-obj-y += tests/libqos/malloc-pc.o 
> tests/libqos/libqos-pc.o
>  libqos-pc-obj-y += tests/libqos/ahci.o
>  libqos-omap-obj-y = $(libqos-obj-y) tests/libqos/i2c-omap.o
>  libqos-imx-obj-y = $(libqos-obj-y) tests/libqos/i2c-imx.o
> -libqos-usb-obj-y = $(libqos-pc-obj-y) tests/libqos/usb.o
> +libqos-usb-obj-y = $(libqos-spapr-obj-y) $(libqos-pc-obj-y) 
> tests/libqos/usb.o
>  libqos-virtio-obj-y = $(libqos-pc-obj-y) tests/libqos/virtio.o 
> tests/libqos/virtio-pci.o tests/libqos/virtio-mmio.o 
> tests/libqos/malloc-generic.o
>  
>  tests/device-introspect-test$(EXESUF): tests/device-introspect-test.o
> diff --git a/tests/libqos/usb.c b/tests/libqos/usb.c
> index f794d92..25e5f38 100644
> --- a/tests/libqos/usb.c
> +++ b/tests/libqos/usb.c
> @@ -28,7 +28,7 @@ void qusb_pci_init_one(QPCIBus *pcibus, struct qhc *hc, 
> uint32_t devfn, int bar)
>  void uhci_port_test(struct qhc *hc, int port, uint16_t expect)
>  {
>      void *addr = hc->base + 0x10 + 2 * port;
> -    uint16_t value = qpci_io_readw(hc->dev, addr);
> +    uint16_t value = target_le16_to_cpu(qpci_io_readw(hc->dev, addr));

This doesn't look right.  Judging by the code using qpci_io_readw() in
qpci_device_foreach() and in other tests I'm looking at,
qpci_io_readw() (and the others) are expected to return results in
*host native* order - i.e. suitable for immediate comparisons and
masks within qtest code executing on the host.

>      uint16_t mask = ~(UHCI_PORT_WRITE_CLEAR | UHCI_PORT_RSVD1);
>  
>      g_assert((value & mask) == (expect & mask));
> diff --git a/tests/usb-hcd-uhci-test.c b/tests/usb-hcd-uhci-test.c
> index c24063e..4b951ce 100644
> --- a/tests/usb-hcd-uhci-test.c
> +++ b/tests/usb-hcd-uhci-test.c
> @@ -9,9 +9,13 @@
>  
>  #include "qemu/osdep.h"
>  #include "libqtest.h"
> +#include "libqos/libqos.h"
>  #include "libqos/usb.h"
> +#include "libqos/libqos-pc.h"
> +#include "libqos/libqos-spapr.h"
>  #include "hw/usb/uhci-regs.h"
>  
> +static QOSState *qs;
>  
>  static void test_uhci_init(void)
>  {
> @@ -19,13 +23,10 @@ static void test_uhci_init(void)
>  
>  static void test_port(int port)
>  {
> -    QPCIBus *pcibus;
>      struct qhc uhci;
>  
>      g_assert(port > 0);
> -    pcibus = qpci_init_pc(NULL);
> -    g_assert(pcibus != NULL);
> -    qusb_pci_init_one(pcibus, &uhci, QPCI_DEVFN(0x1d, 0), 4);
> +    qusb_pci_init_one(qs->pcibus, &uhci, QPCI_DEVFN(0x1d, 0), 4);
>      uhci_port_test(&uhci, port - 1, UHCI_PORT_CCS);
>  }
>  
> @@ -75,6 +76,7 @@ static void test_usb_storage_hotplug(void)
>  
>  int main(int argc, char **argv)
>  {
> +    const char *arch = qtest_get_arch();
>      int ret;
>  
>      g_test_init(&argc, &argv, NULL);
> @@ -84,11 +86,17 @@ int main(int argc, char **argv)
>      qtest_add_func("/uhci/pci/hotplug", test_uhci_hotplug);
>      qtest_add_func("/uhci/pci/hotplug/usb-storage", 
> test_usb_storage_hotplug);
>  
> -    qtest_start("-device piix3-usb-uhci,id=uhci,addr=1d.0"
> -                " -drive id=drive0,if=none,file=/dev/null,format=raw"
> -                " -device usb-tablet,bus=uhci.0,port=1");
> +    if (strcmp(arch, "i386") == 0 || strcmp(arch, "x86_64") == 0) {
> +        qs = qtest_pc_boot("-device piix3-usb-uhci,id=uhci,addr=1d.0"
> +                           " -drive 
> id=drive0,if=none,file=/dev/null,format=raw"
> +                           " -device usb-tablet,bus=uhci.0,port=1");
> +    } else if (strcmp(arch, "ppc64") == 0) {
> +        qs = qtest_spapr_boot("-device piix3-usb-uhci,id=uhci,addr=1d.0"
> +                           " -drive 
> id=drive0,if=none,file=/dev/null,format=raw"
> +                           " -device usb-tablet,bus=uhci.0,port=1");

Why aren't there similar ifs needed for ohci, ehci and/or xhci?

> +    }
>      ret = g_test_run();
> -    qtest_end();
> +    qtest_shutdown(qs);
>  
>      return ret;
>  }

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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