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| author | Thomas Gleixner <tglx@linutronix.de> | 2020-08-26 14:16:40 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-09-16 17:52:30 +0300 |
| commit | 874d9b3a958897e914982962fa25b3bb9dc07988 (patch) | |
| tree | 1b56281bd7d9e2c2bbe0d31b8885bea89ffc7f0f /arch/x86/include/asm/hw_irq.h | |
| parent | 6b6256e616f7e10c4434cfcd32371fc33ca94e48 (diff) | |
| download | linux-874d9b3a958897e914982962fa25b3bb9dc07988.tar.xz | |
x86/irq: Prepare consolidation of irq_alloc_info
struct irq_alloc_info is a horrible zoo of unnamed structs in a union. Many
of the struct fields can be generic and don't have to be type specific like
hpet_id, ioapic_id...
Provide a generic set of members to prepare for the consolidation. The goal
is to make irq_alloc_info have the same basic member as the generic
msi_alloc_info so generic MSI domain ops can be reused and yet more mess
can be avoided when (non-PCI) device MSI support comes along.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20200826112331.849577844@linutronix.de
Diffstat (limited to 'arch/x86/include/asm/hw_irq.h')
| -rw-r--r-- | arch/x86/include/asm/hw_irq.h | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index 91b064da6ce5..b0e15f617675 100644 --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -44,10 +44,25 @@ enum irq_alloc_type { X86_IRQ_ALLOC_TYPE_HPET_GET_PARENT, }; +/** + * irq_alloc_info - X86 specific interrupt allocation info + * @type: X86 specific allocation type + * @flags: Flags for allocation tweaks + * @devid: Device ID for allocations + * @hwirq: Associated hw interrupt number in the domain + * @mask: CPU mask for vector allocation + * @desc: Pointer to msi descriptor + * @data: Allocation specific data + */ struct irq_alloc_info { enum irq_alloc_type type; u32 flags; - const struct cpumask *mask; /* CPU mask for vector allocation */ + u32 devid; + irq_hw_number_t hwirq; + const struct cpumask *mask; + struct msi_desc *desc; + void *data; + union { int unused; #ifdef CONFIG_HPET_TIMER @@ -88,11 +103,6 @@ struct irq_alloc_info { char *uv_name; }; #endif -#if IS_ENABLED(CONFIG_VMD) - struct { - struct msi_desc *desc; - }; -#endif }; }; |