On Mon, 1 Mar 2021 12:46:59 +0100 Pierre Morel <pmorel@xxxxxxxxxxxxx> wrote: > We tests the update of the Mesurement Block (MB) format 0 > and format 1 using a serie of senseid requests. > > *Warning*: One of the tests for format-1 will unexpectedly fail for QEMU elf > unless the QEMU patch "css: SCHIB measurement block origin must be aligned" > is applied. > With Protected Virtualization, the PGM is correctly recognized. > > The MB format 1 is only provided if the Extended mesurement Block > feature is available. > > This feature is exposed by the CSS characteristics general features > stored by the Store Channel Subsystem Characteristics CHSC command, > consequently, we implement the CHSC instruction call and the SCSC CHSC > command. > > In order to ease the writing of new tests using: > - interrupt > - enablement of a subchannel > - multiple I/O on a subchannel > > We do the following simplifications: > - we create a CSS initialization routine > - we register the I/O interrupt handler on CSS initialization > - we do not enable or disable a subchannel in the senseid test, > assuming this test is done after the enable test, this allows > to create traffic using the SSCH used by senseid. > - we add a css_enabled() function to test if a subchannel is enabled. > > @Connie, I restructured the patches but I did not modify the > functionalities, so I kept your R-B, I hope you are OK with this. Yes, that's fine with me. > > Regards, > Pierre > > Pierre Morel (6): > s390x: css: Store CSS Characteristics > s390x: css: simplifications of the tests > s390x: css: extending the subchannel modifying functions > s390x: css: implementing Set CHannel Monitor > s390x: css: testing measurement block format 0 > s390x: css: testing measurement block format 1 > > lib/s390x/css.h | 116 +++++++++++++++++++++- > lib/s390x/css_lib.c | 232 +++++++++++++++++++++++++++++++++++++++++--- > s390x/css.c | 228 +++++++++++++++++++++++++++++++++++++++---- > 3 files changed, 542 insertions(+), 34 deletions(-) >
