The ARM rVIC is the simplest PV interrupt controller on this side of the universe. I mean it!
Signed-off-by: Marc Zyngier <[email protected]> --- drivers/irqchip/Kconfig | 6 + drivers/irqchip/Makefile | 1 + drivers/irqchip/irq-rvic.c | 554 +++++++++++++++++++++++++++++++ include/linux/cpuhotplug.h | 1 + include/linux/irqchip/irq-rvic.h | 77 +++++ 5 files changed, 639 insertions(+) create mode 100644 drivers/irqchip/irq-rvic.c create mode 100644 include/linux/irqchip/irq-rvic.h diff --git a/drivers/irqchip/Kconfig b/drivers/irqchip/Kconfig index bfc9719dbcdc..348ff1d06651 100644 --- a/drivers/irqchip/Kconfig +++ b/drivers/irqchip/Kconfig @@ -61,6 +61,12 @@ config ARM_NVIC select IRQ_DOMAIN_HIERARCHY select GENERIC_IRQ_CHIP +config ARM_RVIC + bool + default ARM64 + select IRQ_DOMAIN_HIERARCHY + select GENERIC_IRQ_EFFECTIVE_AFF_MASK + config ARM_VIC bool select IRQ_DOMAIN diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index 133f9c45744a..d2b280efd2e0 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -37,6 +37,7 @@ obj-$(CONFIG_ARM_GIC_V3_ITS_FSL_MC) += irq-gic-v3-its-fsl-mc-msi.o obj-$(CONFIG_PARTITION_PERCPU) += irq-partition-percpu.o obj-$(CONFIG_HISILICON_IRQ_MBIGEN) += irq-mbigen.o obj-$(CONFIG_ARM_NVIC) += irq-nvic.o +obj-$(CONFIG_ARM_RVIC) += irq-rvic.o obj-$(CONFIG_ARM_VIC) += irq-vic.o obj-$(CONFIG_ARMADA_370_XP_IRQ) += irq-armada-370-xp.o obj-$(CONFIG_ATMEL_AIC_IRQ) += irq-atmel-aic-common.o irq-atmel-aic.o diff --git a/drivers/irqchip/irq-rvic.c b/drivers/irqchip/irq-rvic.c new file mode 100644 index 000000000000..6f37aa4318b6 --- /dev/null +++ b/drivers/irqchip/irq-rvic.c @@ -0,0 +1,554 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * A Reduced Virtual Interrupt Controler driver + * + * Initial draft from Alex Shirshikov <[email protected]> + * + * Copyright 2020 Google LLC. + * Author: Marc Zyngier <[email protected]> + */ + + +#define pr_fmt(fmt) "rVIC: " fmt + +#include <linux/arm-smccc.h> +#include <linux/cpuhotplug.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/irqchip.h> +#include <linux/irqdomain.h> + +#include <linux/irqchip/irq-rvic.h> + +#include <asm/exception.h> + +#define RVIC_WARN_INTID_TARGET(r, s, intid, mpid) \ + WARN((r), "Error " s " INTID%ld target %llx (%ld, %ld)\n", \ + (intid), (mpid), \ + RVIC_STATUS_REASON((r)), RVIC_STATUS_INDEX((r))); + +#define RVIC_WARN_INTID(r, s, intid) \ + WARN((r), "Error " s " INTID%ld (%ld, %ld)\n", \ + (intid), \ + RVIC_STATUS_REASON((r)), RVIC_STATUS_INDEX((r))); + +static DEFINE_PER_CPU(unsigned long *, trusted_masked); + +struct rvic_data { + struct fwnode_handle *fwnode; + struct irq_domain *domain; + unsigned int nr_trusted; + unsigned int nr_untrusted; +}; + +static struct rvic_data rvic; + +static inline int rvic_version(unsigned long *version) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_invoke(SMC64_RVIC_VERSION, &res); + if (res.a0 == RVIC_STATUS_SUCCESS) + *version = res.a1; + return res.a0; +} + +static inline unsigned long rvic_info(unsigned long key, + unsigned long *value) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_invoke(SMC64_RVIC_INFO, key, &res); + if (res.a0 == RVIC_STATUS_SUCCESS) + *value = res.a1; + return res.a0; +} + +static inline unsigned long rvic_enable(void) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_invoke(SMC64_RVIC_ENABLE, &res); + return res.a0; +} + +static inline unsigned long rvic_disable(void) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_invoke(SMC64_RVIC_DISABLE, &res); + return res.a0; +} + +static inline unsigned long rvic_set_masked(unsigned long target, + unsigned long intid) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_invoke(SMC64_RVIC_SET_MASKED, target, intid, &res); + return res.a0; +} + +static inline unsigned long rvic_clear_masked(unsigned long target, + unsigned long intid) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_invoke(SMC64_RVIC_CLEAR_MASKED, target, intid, &res); + return res.a0; +} + +static inline unsigned long rvic_is_pending(unsigned long target, + unsigned long intid, + bool *is_pending) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_invoke(SMC64_RVIC_IS_PENDING, target, intid, &res); + if (res.a0 == RVIC_STATUS_SUCCESS) + *is_pending = res.a1; + return res.a0; +} + +static inline unsigned long rvic_signal(unsigned long target, + unsigned long intid) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_invoke(SMC64_RVIC_SIGNAL, target, intid, &res); + return res.a0; +} + +static inline unsigned long rvic_clear_pending(unsigned long target, + unsigned long intid) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_invoke(SMC64_RVIC_CLEAR_PENDING, target, intid, &res); + return res.a0; +} + +static inline unsigned long rvic_acknowledge(unsigned long *intid) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_invoke(SMC64_RVIC_ACKNOWLEDGE, &res); + if (res.a0 == RVIC_STATUS_SUCCESS) + *intid = res.a1; + return res.a0; +} + +static inline unsigned long rvic_resample(unsigned long intid) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_invoke(SMC64_RVIC_RESAMPLE, intid, &res); + return res.a0; +} + +static u64 rvic_irq_to_mpidr(struct irq_data *data, int *cpup) +{ + int cpu; + + if (data->hwirq < rvic.nr_trusted) { + *cpup = smp_processor_id(); + return read_cpuid_mpidr() & MPIDR_HWID_BITMASK; + } + + cpu = cpumask_first(data->common->effective_affinity); + *cpup = cpu; + return cpu_logical_map(cpu) & MPIDR_HWID_BITMASK; +} + +static void rvic_irq_mask(struct irq_data *data) +{ + unsigned long ret; + u64 mpidr; + int cpu; + + mpidr = rvic_irq_to_mpidr(data, &cpu); + pr_debug("%llu irq %d hwirq %ld masked\n", + mpidr, data->irq, data->hwirq); + ret = rvic_set_masked(mpidr, data->hwirq); + RVIC_WARN_INTID_TARGET(ret, "masking", data->hwirq, mpidr); + + if (data->hwirq < rvic.nr_trusted) + set_bit(data->hwirq, per_cpu(trusted_masked, cpu)); +} + +static void rvic_irq_unmask(struct irq_data *data) +{ + unsigned long ret; + u64 mpidr; + int cpu; + + mpidr = rvic_irq_to_mpidr(data, &cpu); + pr_debug("%llu irq %d hwirq %ld unmasked\n", + mpidr, data->irq, data->hwirq); + ret = rvic_clear_masked(mpidr, data->hwirq); + RVIC_WARN_INTID_TARGET(ret, "unmasking", data->hwirq, mpidr); + + if (data->hwirq < rvic.nr_trusted) + clear_bit(data->hwirq, per_cpu(trusted_masked, cpu)); +} + +static void rvic_irq_eoi(struct irq_data *data) +{ + bool masked; + + /* Resampling is only available on trusted interrupts for now */ + if (data->hwirq < rvic.nr_trusted && + (irqd_get_trigger_type(data) & IRQ_TYPE_LEVEL_MASK)) { + unsigned long ret; + + ret = rvic_resample(data->hwirq); + RVIC_WARN_INTID(ret, "resampling", data->hwirq); + } + + /* irqd_irq_masked doesn't work on percpu-devid interrupts. */ + if (data->hwirq < rvic.nr_trusted) + masked = test_bit(data->hwirq, *this_cpu_ptr(&trusted_masked)); + else + masked = irqd_irq_masked(data); + + if (!masked) + rvic_irq_unmask(data); +} + +static void rvic_ipi_send_mask(struct irq_data *data, + const struct cpumask *mask) +{ + int cpu; + + for_each_cpu(cpu, mask) { + u64 mpidr = cpu_logical_map(cpu) & MPIDR_HWID_BITMASK; + unsigned long ret; + + ret = rvic_signal(mpidr, data->hwirq); + RVIC_WARN_INTID_TARGET(ret, "signaling", data->hwirq, mpidr); + } +} + +static int rvic_irq_get_irqchip_state(struct irq_data *data, + enum irqchip_irq_state which, bool *val) +{ + unsigned long ret; + u64 mpidr; + int cpu; + + mpidr = rvic_irq_to_mpidr(data, &cpu); + + switch (which) { + case IRQCHIP_STATE_PENDING: + ret = rvic_is_pending(mpidr, data->hwirq, val); + RVIC_WARN_INTID_TARGET(ret, "getting pending state", + data->hwirq, mpidr); + return ret ? -EINVAL : 0; + + default: + return -EINVAL; + }; +} + +static int rvic_irq_set_irqchip_state(struct irq_data *data, + enum irqchip_irq_state which, bool val) +{ + unsigned long ret; + u64 mpidr; + int cpu; + + mpidr = rvic_irq_to_mpidr(data, &cpu); + + switch (which) { + case IRQCHIP_STATE_PENDING: + if (val) + ret = rvic_signal(mpidr, data->hwirq); + else + ret = rvic_clear_pending(mpidr, data->hwirq); + RVIC_WARN_INTID_TARGET(ret, "setting pending state", + data->hwirq, mpidr); + return ret ? -EINVAL : 0; + + case IRQCHIP_STATE_MASKED: + if (val) + ret = rvic_set_masked(mpidr, data->hwirq); + else + ret = rvic_clear_masked(mpidr, data->hwirq); + RVIC_WARN_INTID_TARGET(ret, "setting masked state", + data->hwirq, mpidr); + return ret ? -EINVAL : 0; + + default: + return -EINVAL; + } + +} + +static int rvic_irq_retrigger(struct irq_data *data) +{ + return !!rvic_irq_set_irqchip_state(data, IRQCHIP_STATE_PENDING, true); +} + +static int rvic_set_type(struct irq_data *data, unsigned int type) +{ + /* + * Nothing to do here, we're always edge under the hood. Just + * weed out untrusted interrupts, as they cannot be level yet. + */ + switch (type) { + case IRQ_TYPE_LEVEL_HIGH: + if (data->hwirq >= rvic.nr_trusted) + return -EINVAL; + + fallthrough; + case IRQ_TYPE_EDGE_RISING: + return 0; + default: + return -EINVAL; + } +} + +static struct irq_chip rvic_chip = { + .name = "rvic", + .irq_mask = rvic_irq_mask, + .irq_unmask = rvic_irq_unmask, + .irq_eoi = rvic_irq_eoi, + .ipi_send_mask = rvic_ipi_send_mask, + .irq_get_irqchip_state = rvic_irq_get_irqchip_state, + .irq_set_irqchip_state = rvic_irq_set_irqchip_state, + .irq_retrigger = rvic_irq_retrigger, + .irq_set_type = rvic_set_type, +}; + +static asmlinkage void __exception_irq_entry rvic_handle_irq(struct pt_regs *regs) +{ + unsigned long ret, intid; + int err; + + ret = rvic_acknowledge(&intid); + if (unlikely(ret == RVIC_STATUS_NO_INTERRUPTS)) { + pr_debug("CPU%d: Spurious interrupt\n", smp_processor_id()); + return; + } + + if ((unlikely(ret))) { + WARN(1, "rVIC: Error acknowledging interrupt (%ld, %ld)\n", + RVIC_STATUS_REASON(ret), + RVIC_STATUS_INDEX(ret)); + return; + } + + if (unlikely(intid >= (rvic.nr_trusted + rvic.nr_untrusted))) { + WARN(1, "Unexpected intid out of range (%lu)\n", intid); + return; + } + + pr_debug("CPU%d: IRQ%ld\n", smp_processor_id(), intid); + err = handle_domain_irq(rvic.domain, intid, regs); + WARN_ONCE(err, "Unexpected interrupt received %d\n", err); +} + +static int rvic_irq_domain_alloc(struct irq_domain *domain, unsigned int virq, + unsigned int nr_irqs, void *arg) +{ + struct irq_fwspec *fwspec = arg; + unsigned int type = IRQ_TYPE_NONE; + irq_hw_number_t hwirq; + int i, ret; + + ret = irq_domain_translate_twocell(domain, fwspec, &hwirq, &type); + if (ret) + return ret; + + for (i = 0; i < nr_irqs; i++) { + unsigned int intid = hwirq + i; + unsigned int irq = virq + i; + + if (intid < 16) { + irq_set_percpu_devid(irq); + irq_domain_set_info(domain, irq, intid, &rvic_chip, + domain->host_data, + handle_percpu_devid_fasteoi_ipi, + NULL, NULL); + } else if (intid < rvic.nr_trusted) { + irq_set_percpu_devid(irq); + irq_domain_set_info(domain, irq, intid, &rvic_chip, + domain->host_data, + handle_percpu_devid_irq, + NULL, NULL); + } else { + return -EINVAL; + } + } + + return 0; +} + +static void rvic_irq_domain_free(struct irq_domain *domain, unsigned int virq, + unsigned int nr_irqs) +{ + int i; + + for (i = 0; i < nr_irqs; i++) { + struct irq_data *d = irq_domain_get_irq_data(domain, virq + i); + irq_set_handler(virq + i, NULL); + irq_domain_reset_irq_data(d); + } +} + +static const struct irq_domain_ops rvic_irq_domain_ops = { + .translate = irq_domain_translate_twocell, + .alloc = rvic_irq_domain_alloc, + .free = rvic_irq_domain_free, +}; + +static int rvic_cpu_starting(unsigned int cpu) +{ + u64 mpidr = read_cpuid_mpidr() & MPIDR_HWID_BITMASK; + unsigned long ret; + int i; + + rvic_disable(); + + for (i = 0; i < (rvic.nr_trusted + rvic.nr_untrusted); i++) { + rvic_set_masked(mpidr, i); + rvic_clear_pending(mpidr, i); + } + + ret = rvic_enable(); + if (ret != RVIC_STATUS_SUCCESS) { + pr_err("rVIC: error enabling instance (%ld, %ld)\n", + RVIC_STATUS_REASON(ret), + RVIC_STATUS_INDEX(ret)); + return -ENXIO; + } + + return 0; +} + +static int rvic_cpu_dying(unsigned int cpu) +{ + unsigned long ret; + + ret = rvic_disable(); + if (ret != RVIC_STATUS_SUCCESS) { + pr_err("rVIC: error disabling instance (%ld, %ld)\n", + RVIC_STATUS_REASON(ret), + RVIC_STATUS_INDEX(ret)); + return -ENXIO; + } + + return 0; +} + +static void __init rvic_smp_init(struct fwnode_handle *fwnode) +{ + struct irq_fwspec ipi_fwspec = { + .fwnode = fwnode, + .param_count = 2, + .param[0] = 0, + .param[1] = IRQ_TYPE_EDGE_RISING, + }; + int base_ipi; + + cpuhp_setup_state(CPUHP_AP_IRQ_RVIC_STARTING, "irqchip/rvic:starting", + rvic_cpu_starting, rvic_cpu_dying); + + base_ipi = __irq_domain_alloc_irqs(rvic.domain, -1, 16, + NUMA_NO_NODE, &ipi_fwspec, + false, NULL); + if (WARN_ON(base_ipi < 0)) + return; + + set_smp_ipi_range(base_ipi, 16); +} + +static int __init rvic_init(struct device_node *node, + struct device_node *parent) +{ + unsigned long ret, version, val; + int cpu; + + if (arm_smccc_get_version() < ARM_SMCCC_VERSION_1_1) { + pr_err("SMCCC 1.1 required, abording\n"); + return -EINVAL; + } + + rvic.fwnode = of_node_to_fwnode(node); + + ret = rvic_version(&version); + if (ret != RVIC_STATUS_SUCCESS) { + pr_err("error retrieving version (%ld, %ld)\n", + RVIC_STATUS_REASON(ret), + RVIC_STATUS_INDEX(ret)); + return -ENXIO; + } + + if (version < RVIC_VERSION(0, 3)) { + pr_err("version (%ld, %ld) too old, expected min. (%d, %d)\n", + RVIC_VERSION_MAJOR(version), + RVIC_VERSION_MINOR(version), + 0, 3); + return -ENXIO; + } + + ret = rvic_info(RVIC_INFO_KEY_NR_TRUSTED_INTERRUPTS, &val); + if (ret != RVIC_STATUS_SUCCESS) { + pr_err("error retrieving nr of trusted interrupts (%ld, %ld)\n", + RVIC_STATUS_REASON(ret), + RVIC_STATUS_INDEX(ret)); + return -ENXIO; + } + + rvic.nr_trusted = val; + + ret = rvic_info(RVIC_INFO_KEY_NR_UNTRUSTED_INTERRUPTS, &val); + if (ret != RVIC_STATUS_SUCCESS) { + pr_err("error retrieving nr of untrusted interrupts (%ld, %ld)\n", + RVIC_STATUS_REASON(ret), + RVIC_STATUS_INDEX(ret)); + return -ENXIO; + } + + rvic.nr_untrusted = val; + + pr_info("probed %u trusted interrupts, %u untrusted interrupts\n", + rvic.nr_trusted, rvic.nr_untrusted); + + rvic.domain = irq_domain_create_linear(rvic.fwnode, + rvic.nr_trusted + rvic.nr_untrusted, + &rvic_irq_domain_ops, &rvic); + if (!rvic.domain) { + pr_warn("Failed to allocate irq domain\n"); + return -ENOMEM; + } + + for_each_possible_cpu(cpu) { + unsigned long *map = bitmap_alloc(rvic.nr_trusted, GFP_KERNEL); + + if (!map) { + pr_warn("Failed to allocate trusted bitmap (CPU %d)\n", + cpu); + goto free_percpu; + } + + /* Default to masked */ + bitmap_fill(map, rvic.nr_trusted); + per_cpu(trusted_masked, cpu) = map; + } + + rvic_smp_init(rvic.fwnode); + set_handle_irq(rvic_handle_irq); + + return 0; + +free_percpu: + for_each_possible_cpu(cpu) + kfree(per_cpu(trusted_masked, cpu)); + + irq_domain_remove(rvic.domain); + + return -ENOMEM; +} + +IRQCHIP_DECLARE(rvic, "arm,rvic", rvic_init); diff --git a/include/linux/cpuhotplug.h b/include/linux/cpuhotplug.h index 3215023d4852..ddaa57157af0 100644 --- a/include/linux/cpuhotplug.h +++ b/include/linux/cpuhotplug.h @@ -101,6 +101,7 @@ enum cpuhp_state { CPUHP_AP_IRQ_HIP04_STARTING, CPUHP_AP_IRQ_ARMADA_XP_STARTING, CPUHP_AP_IRQ_BCM2836_STARTING, + CPUHP_AP_IRQ_RVIC_STARTING, CPUHP_AP_IRQ_MIPS_GIC_STARTING, CPUHP_AP_IRQ_RISCV_STARTING, CPUHP_AP_IRQ_SIFIVE_PLIC_STARTING, diff --git a/include/linux/irqchip/irq-rvic.h b/include/linux/irqchip/irq-rvic.h new file mode 100644 index 000000000000..0176ca7d3c30 --- /dev/null +++ b/include/linux/irqchip/irq-rvic.h @@ -0,0 +1,77 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Definitions for rVIC/rVID PV interrupt controller architecture. + * + * Copyright 2020 Google LLC. + * Author: Marc Zyngier <[email protected]> + * + * WARNING: All these constants are subject to change until the spec is final. + */ + +#ifndef __IRQCHIP_IRQ_RVIC_H__ +#define __IRQCHIP_IRQ_RVIC_H__ + +#include <linux/bitfield.h> + +/* Versioning */ +#define RVIx_VERSION_MAJOR_MASK GENMASK(31, 16) +#define RVIx_VERSION_MINOR_MASK GENMASK(15, 0) + +#define RVIx_VERSION(M, m) \ + (FIELD_PREP(RVIx_VERSION_MAJOR_MASK, (M)) | \ + FIELD_PREP(RVIx_VERSION_MINOR_MASK, (m))) + +#define RVIx_VERSION_MAJOR(v) FIELD_GET(RVIx_VERSION_MAJOR_MASK, (v)) +#define RVIx_VERSION_MINOR(v) FIELD_GET(RVIx_VERSION_MINOR_MASK, (v)) + +/* Error reporting */ +#define RVIx_STATUS_REASON_MASK GENMASK(7, 0) +#define RVIx_STATUS_INDEX_MASK GENMASK(15, 8) + +#define RVIx_STATUS_PACK(r,i) \ + (FIELD_PREP(RVIx_STATUS_REASON_MASK, (r)) | \ + FIELD_PREP(RVIx_STATUS_INDEX_MASK, (i))) + +#define RVIx_STATUS_REASON(c) FIELD_GET(RVIx_STATUS_REASON_MASK, (c)) +#define RVIx_STATUS_INDEX(c) FIELD_GET(RVIx_STATUS_INDEX_MASK, (c)) + +#define RVIx_STATUS_SUCCESS 0 +#define RVIx_STATUS_ERROR_PARAMETER 1 +#define RVIx_STATUS_INVALID_CPU 2 +#define RVIx_STATUS_DISABLED 3 +#define RVIx_STATUS_NO_INTERRUPTS 4 + +/* rVIC functions */ +#define SMC64_RVIC_BASE 0xc5000200 +#define SMC64_RVIC_FN(n) (SMC64_RVIC_BASE + (n)) + +#define SMC64_RVIC_VERSION SMC64_RVIC_FN(0) +#define SMC64_RVIC_INFO SMC64_RVIC_FN(1) +#define SMC64_RVIC_ENABLE SMC64_RVIC_FN(2) +#define SMC64_RVIC_DISABLE SMC64_RVIC_FN(3) +#define SMC64_RVIC_SET_MASKED SMC64_RVIC_FN(4) +#define SMC64_RVIC_CLEAR_MASKED SMC64_RVIC_FN(5) +#define SMC64_RVIC_IS_PENDING SMC64_RVIC_FN(6) +#define SMC64_RVIC_SIGNAL SMC64_RVIC_FN(7) +#define SMC64_RVIC_CLEAR_PENDING SMC64_RVIC_FN(8) +#define SMC64_RVIC_ACKNOWLEDGE SMC64_RVIC_FN(9) +#define SMC64_RVIC_RESAMPLE SMC64_RVIC_FN(10) + +#define RVIC_INFO_KEY_NR_TRUSTED_INTERRUPTS 0 +#define RVIC_INFO_KEY_NR_UNTRUSTED_INTERRUPTS 1 + +#define RVIC_VERSION(M, m) RVIx_VERSION((M), (m)) + +#define RVIC_VERSION_MAJOR(v) RVIx_VERSION_MAJOR((v)) +#define RVIC_VERSION_MINOR(v) RVIx_VERSION_MINOR((v)) + +#define RVIC_STATUS_REASON(c) RVIx_STATUS_REASON((c)) +#define RVIC_STATUS_INDEX(c) RVIx_STATUS_INDEX((c)) + +#define RVIC_STATUS_SUCCESS RVIx_STATUS_SUCCESS +#define RVIC_STATUS_ERROR_PARAMETER RVIx_STATUS_ERROR_PARAMETER +#define RVIC_STATUS_INVALID_CPU RVIx_STATUS_INVALID_CPU +#define RVIC_STATUS_DISABLED RVIx_STATUS_DISABLED +#define RVIC_STATUS_NO_INTERRUPTS RVIx_STATUS_NO_INTERRUPTS + +#endif /* __IRQCHIP_IRQ_RVIC_H__ */ -- 2.27.0 _______________________________________________ kvmarm mailing list [email protected] https://lists.cs.columbia.edu/mailman/listinfo/kvmarm
