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IHK: support for using Linux work IRQ as IKC interrupt (optional)

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Change-Id: I2a0e59a47c229fd9271866199c3c4d30e1ddd7f9
This commit is contained in:
Balazs Gerofi
2019-04-02 23:20:14 +09:00
parent 4d252c2bb2
commit 3fda54ece8
9 changed files with 78 additions and 10 deletions
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25
arch/arm64/kernel/irq-gic-v2.c
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@@ -31,10 +31,9 @@ void *cpu_base;
* function, it is not necessary to perform the disable/enable
* interrupts in this function as gic_raise_softirq() .
*/
static void arm64_raise_sgi_gicv2(unsigned int cpuid, unsigned int vector)
static void __arm64_raise_sgi_gicv2(unsigned int hw_cpuid, unsigned int vector)
{
/* Build interrupt destination of the target cpu */
unsigned int hw_cpuid = ihk_mc_get_cpu_info()->hw_ids[cpuid];
uint8_t cpu_target_list = gic_hwid_to_affinity(hw_cpuid);
/*
@@ -50,6 +49,23 @@ static void arm64_raise_sgi_gicv2(unsigned int cpuid, unsigned int vector)
);
}
static void arm64_raise_sgi_gicv2(uint32_t cpuid, uint32_t vector)
{
/* Build interrupt destination of the target CPU */
uint32_t hw_cpuid = ihk_mc_get_cpu_info()->hw_ids[cpuid];
__arm64_raise_sgi_gicv2(hw_cpuid, vector);
}
static void arm64_raise_sgi_to_host_gicv2(uint32_t cpuid, uint32_t vector)
{
/* Build interrupt destination of the target Linux/host CPU */
uint32_t hw_cpuid = ihk_mc_get_apicid(cpuid);
__arm64_raise_sgi_gicv2(hw_cpuid, vector);
}
/**
* arm64_raise_spi_gicv2
* @ref.impl nothing.
@@ -77,6 +93,11 @@ static void arm64_raise_spi_gicv2(unsigned int cpuid, unsigned int vector)
);
}
void arm64_issue_host_ipi_gicv2(uint32_t cpuid, uint32_t vector)
{
arm64_raise_sgi_to_host_gicv2(cpuid, vector);
}
/**
* arm64_issue_ipi_gicv2
* @param cpuid : hardware cpu id