From: Thomas Huth <thuth@redhat.com>
To: Pierre Morel <pmorel@linux.ibm.com>, kvm@vger.kernel.org
Cc: linux-s390@vger.kernel.org, frankja@linux.ibm.com,
david@redhat.com, cohuck@redhat.com, imbrenda@linux.ibm.com
Subject: Re: [kvm-unit-tests PATCH v1 2/5] s390x: css: simplifications of the tests
Date: Tue, 2 Feb 2021 18:29:47 +0100 [thread overview]
Message-ID: <daf7ef77-98fc-3e29-d753-78b933a494d5@redhat.com> (raw)
In-Reply-To: <1611930869-25745-3-git-send-email-pmorel@linux.ibm.com>
On 29/01/2021 15.34, Pierre Morel wrote:
> In order to ease the writing of tests based on:
> - interrupt
> - enabling a subchannel
> - using multiple I/O on a channel without disabling it
>
> We do the following simplifications:
> - the I/O interrupt handler is registered on CSS initialization
> - We do not enable again a subchannel in senseid if it is already
> enabled
> - we add a css_enabled() function to test if a subchannel is enabled
>
> Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
> ---
[...]
> diff --git a/s390x/css.c b/s390x/css.c
> index 18dbf01..230f819 100644
> --- a/s390x/css.c
> +++ b/s390x/css.c
> @@ -56,36 +56,27 @@ static void test_enable(void)
> * - We need the test device as the first recognized
> * device by the enumeration.
> */
> -static void test_sense(void)
> +static bool do_test_sense(void)
> {
> struct ccw1 *ccw;
> + bool retval = false;
> int ret;
> int len;
>
> if (!test_device_sid) {
> report_skip("No device");
> - return;
> + return retval;
> }
>
> - ret = css_enable(test_device_sid, IO_SCH_ISC);
> - if (ret) {
> - report(0, "Could not enable the subchannel: %08x",
> - test_device_sid);
> - return;
> + if (!css_enabled(test_device_sid)) {
> + report(0, "enabled subchannel: %08x", test_device_sid);
> + return retval;
> }
>
> - ret = register_io_int_func(css_irq_io);
> - if (ret) {
> - report(0, "Could not register IRQ handler");
> - return;
> - }
> -
> - lowcore_ptr->io_int_param = 0;
> -
> senseid = alloc_io_mem(sizeof(*senseid), 0);
> if (!senseid) {
> report(0, "Allocation of senseid");
> - goto error_senseid;
> + return retval;
> }
>
> ccw = ccw_alloc(CCW_CMD_SENSE_ID, senseid, sizeof(*senseid), CCW_F_SLI);
> @@ -129,16 +120,21 @@ static void test_sense(void)
> report_info("reserved 0x%02x cu_type 0x%04x cu_model 0x%02x dev_type 0x%04x dev_model 0x%02x",
> senseid->reserved, senseid->cu_type, senseid->cu_model,
> senseid->dev_type, senseid->dev_model);
> + report_info("cu_type expected 0x%04x got 0x%04x", (uint16_t)cu_type,
> + senseid->cu_type);
>
> - report(senseid->cu_type == cu_type, "cu_type expected 0x%04x got 0x%04x",
> - (uint16_t)cu_type, senseid->cu_type);
> + retval = senseid->cu_type == cu_type;
>
> error:
> free_io_mem(ccw, sizeof(*ccw));
> error_ccw:
> free_io_mem(senseid, sizeof(*senseid));
> -error_senseid:
> - unregister_io_int_func(css_irq_io);
> + return retval;
> +}
Maybe use "success" as a name for the variable instead of "retval"? ...
since it's a boolean value...
Thomas
next prev parent reply other threads:[~2021-02-02 17:31 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1611930869-25745-1-git-send-email-pmorel@linux.ibm.com>
[not found] ` <1611930869-25745-4-git-send-email-pmorel@linux.ibm.com>
2021-02-02 11:48 ` [kvm-unit-tests PATCH v1 3/5] s390x: css: implementing Set CHannel Monitor Cornelia Huck
2021-02-02 16:15 ` Pierre Morel
2021-02-02 17:32 ` Thomas Huth
2021-02-03 10:09 ` Pierre Morel
[not found] ` <1611930869-25745-6-git-send-email-pmorel@linux.ibm.com>
2021-02-02 11:52 ` [kvm-unit-tests PATCH v1 5/5] s390x: css: testing measurement block format 1 Cornelia Huck
[not found] ` <1611930869-25745-2-git-send-email-pmorel@linux.ibm.com>
2021-02-01 10:01 ` [kvm-unit-tests PATCH v1 1/5] s390x: css: Store CSS Characteristics Janosch Frank
2021-02-01 12:09 ` Pierre Morel
2021-02-02 11:11 ` Cornelia Huck
2021-02-02 14:19 ` Pierre Morel
2021-02-02 17:25 ` Thomas Huth
2021-02-03 10:12 ` Pierre Morel
[not found] ` <1611930869-25745-3-git-send-email-pmorel@linux.ibm.com>
2021-02-01 10:11 ` [kvm-unit-tests PATCH v1 2/5] s390x: css: simplifications of the tests Janosch Frank
2021-02-01 12:15 ` Pierre Morel
2021-02-01 12:22 ` Janosch Frank
2021-02-02 11:23 ` Cornelia Huck
2021-02-02 14:39 ` Pierre Morel
2021-02-02 17:29 ` Thomas Huth [this message]
2021-02-03 10:10 ` Pierre Morel
[not found] ` <1611930869-25745-5-git-send-email-pmorel@linux.ibm.com>
2021-02-02 17:35 ` [kvm-unit-tests PATCH v1 4/5] s390x: css: SCHM tests format 0 Thomas Huth
2021-02-03 10:09 ` Pierre Morel
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