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hw/intc/loongarch_pch_msi: Fix msi vector convertion

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Loongarch pch msi intc connects to extioi controller, the range of irq
number is 64-255.  Add a property for irqbase, so that we can compute
the irq offset from the view of pch_msi controller with the method:

  msi vector (from view of upper extioi intc) - irqbase

Signed-off-by: Mao Bibo <maobibo@loongson.cn>
Message-Id: <20220701030740.2469162-1-maobibo@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Mao Bibo 2022-07-01 11:07:40 +08:00 • committed by Richard Henderson
parent 227e73c986
commit 490c03ab11
3 changed files with 23 additions and 2 deletions
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2
include/hw/intc/loongarch_pch_msi.h
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@ -17,4 +17,6 @@ struct LoongArchPCHMSI {
SysBusDevice parent_obj;
qemu_irq pch_msi_irq[PCH_MSI_IRQ_NUM];
MemoryRegion msi_mmio;
/* irq base passed to upper extioi intc */
unsigned int irq_base;
};