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5985c1216e
irq.c/.h: Added new variables(ctx_rflags, ctx_rip, ctx_cs) in irq_desc On each interrupt this information is populated Added api's to access the irq_desc members profiling.c: profiling_pmi_handler:On each PMI generates gets the context and other information that caused it Tracked-On: projectacrn#1409 Acked-by: Eddie Dong <eddie.dong@intel.com> Signed-off-by: Chinthapally, Manisha <manisha.chinthapally@intel.com>
41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
/*
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* Copyright (C) 2018 Intel Corporation. All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#ifndef COMMON_IRQ_H
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#define COMMON_IRQ_H
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#define IRQF_NONE (0U)
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#define IRQF_LEVEL (1U << 1U) /* 1: level trigger; 0: edge trigger */
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#define IRQF_PT (1U << 2U) /* 1: for passthrough dev */
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typedef void (*irq_action_t)(uint32_t irq, void *priv_data);
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/* any field change in below required irq_lock protection with irqsave */
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struct irq_desc {
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uint32_t irq; /* index to irq_desc_base */
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uint32_t vector; /* assigned vector */
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irq_action_t action; /* callback registered from component */
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void *priv_data; /* irq_action private data */
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uint32_t flags; /* flags for trigger mode/ptdev */
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spinlock_t lock;
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#ifdef PROFILING_ON
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uint64_t ctx_rip;
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uint64_t ctx_rflags;
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uint64_t ctx_cs;
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#endif
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};
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int32_t request_irq(uint32_t req_irq, irq_action_t action_fn, void *priv_data,
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uint32_t flags);
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void free_irq(uint32_t irq);
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void set_irq_trigger_mode(uint32_t irq, bool is_level_trigger);
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#endif /* COMMON_IRQ_H */
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