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lib: sbi: Add SSE support for PMU events

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Add SSE callbacks registration to PMU driver in order to disable
interrupt delegation for PMU interrupts. When interrupts are
undelegated send the PMU SSE event upon LCOFIP IRQ.

Signed-off-by: Clément Léger <cleger@rivosinc.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Clément Léger
2024-03-21 16:57:18 +01:00
committed by Anup Patel
parent 09ad21445f
commit 06fc453ec1
3 changed files with 60 additions and 0 deletions
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6
lib/sbi/sbi_trap.c
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@@ -223,6 +223,9 @@ static int sbi_trap_nonaia_irq(unsigned long irq)
case IRQ_M_SOFT:
sbi_ipi_process();
break;
case IRQ_PMU_OVF:
sbi_pmu_ovf_irq();
break;
case IRQ_M_EXT:
return sbi_irqchip_process();
default:
@@ -246,6 +249,9 @@ static int sbi_trap_aia_irq(void)
case IRQ_M_SOFT:
sbi_ipi_process();
break;
case IRQ_PMU_OVF:
sbi_pmu_ovf_irq();
break;
case IRQ_M_EXT:
rc = sbi_irqchip_process();
if (rc)