diff options
| author | Eric Auger <eric.auger@redhat.com> | 2018-05-04 18:05:51 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-05-04 18:49:18 +0100 |
| commit | 6a736033d343e0e5774849fa0eef88f2582c364a (patch) | |
| tree | 63ee937cc3e0e3a664692d4bbf64db37247ca726 /hw/arm/smmuv3-internal.h | |
| parent | 10a83cb9887eddb1b504ecf3b189159db949178e (diff) | |
hw/arm/smmuv3: Wired IRQ and GERROR helpers
We introduce some helpers to handle wired IRQs and especially
GERROR interrupt. SMMU writes GERROR register on GERROR event
and SW acks GERROR interrupts by setting GERRORn.
The Wired interrupts are edge sensitive hence the pulse usage.
Signed-off-by: Eric Auger <eric.auger@redhat.com>
Signed-off-by: Prem Mallappa <prem.mallappa@broadcom.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1524665762-31355-6-git-send-email-eric.auger@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/arm/smmuv3-internal.h')
| -rw-r--r-- | hw/arm/smmuv3-internal.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/arm/smmuv3-internal.h b/hw/arm/smmuv3-internal.h index 8da38d46c0..e27c128c07 100644 --- a/hw/arm/smmuv3-internal.h +++ b/hw/arm/smmuv3-internal.h @@ -139,4 +139,18 @@ static inline uint32_t smmuv3_idreg(int regoffset) return smmuv3_ids[regoffset / 4]; } +static inline bool smmuv3_eventq_irq_enabled(SMMUv3State *s) +{ + return FIELD_EX32(s->irq_ctrl, IRQ_CTRL, EVENTQ_IRQEN); +} + +static inline bool smmuv3_gerror_irq_enabled(SMMUv3State *s) +{ + return FIELD_EX32(s->irq_ctrl, IRQ_CTRL, GERROR_IRQEN); +} + +/* public until callers get introduced */ +void smmuv3_trigger_irq(SMMUv3State *s, SMMUIrq irq, uint32_t gerror_mask); +void smmuv3_write_gerrorn(SMMUv3State *s, uint32_t gerrorn); + #endif |