From: Nicholas Piggin <npiggin@gmail.com> To: Thomas Huth <thuth@redhat.com> Cc: Nicholas Piggin <npiggin@gmail.com>, Laurent Vivier <lvivier@redhat.com>, Andrew Jones <andrew.jones@linux.dev>, Paolo Bonzini <pbonzini@redhat.com>, linuxppc-dev@lists.ozlabs.org, kvm@vger.kernel.org Subject: [kvm-unit-tests PATCH v7 18/35] powerpc/sprs: Test hypervisor registers on powernv machine Date: Tue, 19 Mar 2024 17:59:09 +1000 [thread overview] Message-ID: <20240319075926.2422707-19-npiggin@gmail.com> (raw) In-Reply-To: <20240319075926.2422707-1-npiggin@gmail.com> This enables HV privilege registers to be tested with the powernv machine. Acked-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- powerpc/sprs.c | 33 +++++++++++++++++++++++++-------- 1 file changed, 25 insertions(+), 8 deletions(-) diff --git a/powerpc/sprs.c b/powerpc/sprs.c index cb1d6c980..0a82418d6 100644 --- a/powerpc/sprs.c +++ b/powerpc/sprs.c @@ -199,16 +199,16 @@ static const struct spr sprs_power_common[1024] = { [190] = { "HFSCR", 64, HV_RW, }, [256] = { "VRSAVE", 32, RW, }, [259] = { "SPRG3", 64, RO, }, -[284] = { "TBL", 32, HV_WO, }, -[285] = { "TBU", 32, HV_WO, }, -[286] = { "TBU40", 64, HV_WO, }, +[284] = { "TBL", 32, HV_WO, }, /* Things can go a bit wonky with */ +[285] = { "TBU", 32, HV_WO, }, /* Timebase changing. Should save */ +[286] = { "TBU40", 64, HV_WO, }, /* and restore it. */ [304] = { "HSPRG0", 64, HV_RW, }, [305] = { "HSPRG1", 64, HV_RW, }, [306] = { "HDSISR", 32, HV_RW, SPR_INT, }, [307] = { "HDAR", 64, HV_RW, SPR_INT, }, [308] = { "SPURR", 64, HV_RW | OS_RO, SPR_ASYNC, }, [309] = { "PURR", 64, HV_RW | OS_RO, SPR_ASYNC, }, -[313] = { "HRMOR", 64, HV_RW, }, +[313] = { "HRMOR", 64, HV_RW, SPR_HARNESS, }, /* Harness can't cope with HRMOR changing */ [314] = { "HSRR0", 64, HV_RW, SPR_INT, }, [315] = { "HSRR1", 64, HV_RW, SPR_INT, }, [318] = { "LPCR", 64, HV_RW, }, @@ -306,7 +306,7 @@ static const struct spr sprs_power9_10[1024] = { [921] = { "TSCR", 32, HV_RW, }, [922] = { "TTR", 64, HV_RW, }, [1006]= { "TRACE", 64, WO, }, -[1008]= { "HID", 64, HV_RW, }, +[1008]= { "HID", 64, HV_RW, SPR_HARNESS, }, /* HILE would be unhelpful to change */ }; /* This covers POWER8 and POWER9 PMUs */ @@ -350,6 +350,22 @@ static const struct spr sprs_power10_pmu[1024] = { static struct spr sprs[1024]; +static bool spr_read_perms(int spr) +{ + if (cpu_has_hv) + return !!(sprs[spr].access & SPR_HV_READ); + else + return !!(sprs[spr].access & SPR_OS_READ); +} + +static bool spr_write_perms(int spr) +{ + if (cpu_has_hv) + return !!(sprs[spr].access & SPR_HV_WRITE); + else + return !!(sprs[spr].access & SPR_OS_WRITE); +} + static void setup_sprs(void) { int i; @@ -461,7 +477,7 @@ static void get_sprs(uint64_t *v) int i; for (i = 0; i < 1024; i++) { - if (!(sprs[i].access & SPR_OS_READ)) + if (!spr_read_perms(i)) continue; v[i] = __mfspr(i); } @@ -472,8 +488,9 @@ static void set_sprs(uint64_t val) int i; for (i = 0; i < 1024; i++) { - if (!(sprs[i].access & SPR_OS_WRITE)) + if (!spr_write_perms(i)) continue; + if (sprs[i].type & SPR_HARNESS) continue; __mtspr(i, val); @@ -561,7 +578,7 @@ int main(int argc, char **argv) for (i = 0; i < 1024; i++) { bool pass = true; - if (!(sprs[i].access & SPR_OS_READ)) + if (!spr_read_perms(i)) continue; if (sprs[i].width == 32) { -- 2.42.0
WARNING: multiple messages have this Message-ID (diff)
From: Nicholas Piggin <npiggin@gmail.com> To: Thomas Huth <thuth@redhat.com> Cc: Laurent Vivier <lvivier@redhat.com>, kvm@vger.kernel.org, Nicholas Piggin <npiggin@gmail.com>, Andrew Jones <andrew.jones@linux.dev>, Paolo Bonzini <pbonzini@redhat.com>, linuxppc-dev@lists.ozlabs.org Subject: [kvm-unit-tests PATCH v7 18/35] powerpc/sprs: Test hypervisor registers on powernv machine Date: Tue, 19 Mar 2024 17:59:09 +1000 [thread overview] Message-ID: <20240319075926.2422707-19-npiggin@gmail.com> (raw) In-Reply-To: <20240319075926.2422707-1-npiggin@gmail.com> This enables HV privilege registers to be tested with the powernv machine. Acked-by: Thomas Huth <thuth@redhat.com> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> --- powerpc/sprs.c | 33 +++++++++++++++++++++++++-------- 1 file changed, 25 insertions(+), 8 deletions(-) diff --git a/powerpc/sprs.c b/powerpc/sprs.c index cb1d6c980..0a82418d6 100644 --- a/powerpc/sprs.c +++ b/powerpc/sprs.c @@ -199,16 +199,16 @@ static const struct spr sprs_power_common[1024] = { [190] = { "HFSCR", 64, HV_RW, }, [256] = { "VRSAVE", 32, RW, }, [259] = { "SPRG3", 64, RO, }, -[284] = { "TBL", 32, HV_WO, }, -[285] = { "TBU", 32, HV_WO, }, -[286] = { "TBU40", 64, HV_WO, }, +[284] = { "TBL", 32, HV_WO, }, /* Things can go a bit wonky with */ +[285] = { "TBU", 32, HV_WO, }, /* Timebase changing. Should save */ +[286] = { "TBU40", 64, HV_WO, }, /* and restore it. */ [304] = { "HSPRG0", 64, HV_RW, }, [305] = { "HSPRG1", 64, HV_RW, }, [306] = { "HDSISR", 32, HV_RW, SPR_INT, }, [307] = { "HDAR", 64, HV_RW, SPR_INT, }, [308] = { "SPURR", 64, HV_RW | OS_RO, SPR_ASYNC, }, [309] = { "PURR", 64, HV_RW | OS_RO, SPR_ASYNC, }, -[313] = { "HRMOR", 64, HV_RW, }, +[313] = { "HRMOR", 64, HV_RW, SPR_HARNESS, }, /* Harness can't cope with HRMOR changing */ [314] = { "HSRR0", 64, HV_RW, SPR_INT, }, [315] = { "HSRR1", 64, HV_RW, SPR_INT, }, [318] = { "LPCR", 64, HV_RW, }, @@ -306,7 +306,7 @@ static const struct spr sprs_power9_10[1024] = { [921] = { "TSCR", 32, HV_RW, }, [922] = { "TTR", 64, HV_RW, }, [1006]= { "TRACE", 64, WO, }, -[1008]= { "HID", 64, HV_RW, }, +[1008]= { "HID", 64, HV_RW, SPR_HARNESS, }, /* HILE would be unhelpful to change */ }; /* This covers POWER8 and POWER9 PMUs */ @@ -350,6 +350,22 @@ static const struct spr sprs_power10_pmu[1024] = { static struct spr sprs[1024]; +static bool spr_read_perms(int spr) +{ + if (cpu_has_hv) + return !!(sprs[spr].access & SPR_HV_READ); + else + return !!(sprs[spr].access & SPR_OS_READ); +} + +static bool spr_write_perms(int spr) +{ + if (cpu_has_hv) + return !!(sprs[spr].access & SPR_HV_WRITE); + else + return !!(sprs[spr].access & SPR_OS_WRITE); +} + static void setup_sprs(void) { int i; @@ -461,7 +477,7 @@ static void get_sprs(uint64_t *v) int i; for (i = 0; i < 1024; i++) { - if (!(sprs[i].access & SPR_OS_READ)) + if (!spr_read_perms(i)) continue; v[i] = __mfspr(i); } @@ -472,8 +488,9 @@ static void set_sprs(uint64_t val) int i; for (i = 0; i < 1024; i++) { - if (!(sprs[i].access & SPR_OS_WRITE)) + if (!spr_write_perms(i)) continue; + if (sprs[i].type & SPR_HARNESS) continue; __mtspr(i, val); @@ -561,7 +578,7 @@ int main(int argc, char **argv) for (i = 0; i < 1024; i++) { bool pass = true; - if (!(sprs[i].access & SPR_OS_READ)) + if (!spr_read_perms(i)) continue; if (sprs[i].width == 32) { -- 2.42.0
next prev parent reply other threads:[~2024-03-19 8:00 UTC|newest] Thread overview: 82+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-03-19 7:58 [kvm-unit-tests PATCH v7 00/35] migration, powerpc improvements Nicholas Piggin 2024-03-19 7:58 ` Nicholas Piggin 2024-03-19 7:58 ` [kvm-unit-tests PATCH v7 01/35] arch-run: Add functions to help handle migration directives from test Nicholas Piggin 2024-03-19 7:58 ` Nicholas Piggin 2024-03-25 15:54 ` Thomas Huth 2024-03-25 15:54 ` Thomas Huth 2024-03-19 7:58 ` [kvm-unit-tests PATCH v7 02/35] arch-run: Keep infifo open Nicholas Piggin 2024-03-19 7:58 ` Nicholas Piggin 2024-03-19 7:58 ` [kvm-unit-tests PATCH v7 03/35] migration: Add a migrate_skip command Nicholas Piggin 2024-03-19 7:58 ` Nicholas Piggin 2024-03-19 7:58 ` [kvm-unit-tests PATCH v7 04/35] (arm|s390): Use migrate_skip in test cases Nicholas Piggin 2024-03-19 7:58 ` Nicholas Piggin 2024-03-19 7:58 ` [kvm-unit-tests PATCH v7 05/35] arch-run: Add a "continuous" migration option for tests Nicholas Piggin 2024-03-19 7:58 ` Nicholas Piggin 2024-03-19 7:58 ` [kvm-unit-tests PATCH v7 06/35] gitlab-ci: Run migration selftest on s390x and powerpc Nicholas Piggin 2024-03-19 7:58 ` Nicholas Piggin 2024-03-25 16:08 ` Thomas Huth 2024-03-25 16:08 ` Thomas Huth 2024-03-28 8:16 ` Nicholas Piggin 2024-03-28 8:16 ` Nicholas Piggin 2024-03-19 7:58 ` [kvm-unit-tests PATCH v7 07/35] common: add memory dirtying vs migration test Nicholas Piggin 2024-03-19 7:58 ` Nicholas Piggin 2024-03-28 17:37 ` Thomas Huth 2024-03-28 17:37 ` Thomas Huth 2024-04-05 4:54 ` Nicholas Piggin 2024-04-05 4:54 ` Nicholas Piggin 2024-03-19 7:58 ` [kvm-unit-tests PATCH v7 08/35] powerpc: Fix KVM caps on POWER9 hosts Nicholas Piggin 2024-03-19 7:58 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 09/35] powerpc: Fix stack backtrace termination Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 10/35] powerpc: interrupt stack backtracing Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 11/35] powerpc/sprs: Specify SPRs with data rather than code Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 12/35] powerpc/sprs: Avoid taking PMU interrupts caused by register fuzzing Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 13/35] doc: start documentation directory with unittests.cfg doc Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 14/35] scripts: allow machine option to be specified in unittests.cfg Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 15/35] scripts: Accommodate powerpc powernv machine differences Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 16/35] powerpc: Support powernv machine with QEMU TCG Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 17/35] powerpc: Fix emulator illegal instruction test for powernv Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin [this message] 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 18/35] powerpc/sprs: Test hypervisor registers on powernv machine Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 19/35] powerpc: general interrupt tests Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 20/35] powerpc: Add rtas stop-self support Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 21/35] powerpc: Remove broken SMP exception stack setup Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 22/35] powerpc: add SMP and IPI support Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 23/35] powerpc: Permit ACCEL=tcg,thread=single Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 24/35] powerpc: Avoid using larx/stcx. in spinlocks when only one CPU is running Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 25/35] powerpc: Add atomics tests Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 26/35] powerpc: Add timebase tests Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 27/35] powerpc: Add MMU support Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 28/35] common/sieve: Use vmalloc.h for setup_mmu definition Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 29/35] common/sieve: Support machines without MMU Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 30/35] powerpc: Add sieve.c common test Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 31/35] powerpc: add usermode support Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 32/35] powerpc: add pmu tests Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 33/35] configure: Make arch_libdir a first-class entity Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 34/35] powerpc: Remove remnants of ppc64 directory and build structure Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin 2024-03-19 7:59 ` [kvm-unit-tests PATCH v7 35/35] powerpc: gitlab CI update Nicholas Piggin 2024-03-19 7:59 ` Nicholas Piggin
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