Release 4.14 arch/ia64/include/asm/iosapic.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_IA64_IOSAPIC_H
#define __ASM_IA64_IOSAPIC_H
#define IOSAPIC_REG_SELECT 0x0
#define IOSAPIC_WINDOW 0x10
#define IOSAPIC_EOI 0x40
#define IOSAPIC_VERSION 0x1
/*
* Redirection table entry
*/
#define IOSAPIC_RTE_LOW(i) (0x10+i*2)
#define IOSAPIC_RTE_HIGH(i) (0x11+i*2)
#define IOSAPIC_DEST_SHIFT 16
/*
* Delivery mode
*/
#define IOSAPIC_DELIVERY_SHIFT 8
#define IOSAPIC_FIXED 0x0
#define IOSAPIC_LOWEST_PRIORITY 0x1
#define IOSAPIC_PMI 0x2
#define IOSAPIC_NMI 0x4
#define IOSAPIC_INIT 0x5
#define IOSAPIC_EXTINT 0x7
/*
* Interrupt polarity
*/
#define IOSAPIC_POLARITY_SHIFT 13
#define IOSAPIC_POL_HIGH 0
#define IOSAPIC_POL_LOW 1
/*
* Trigger mode
*/
#define IOSAPIC_TRIGGER_SHIFT 15
#define IOSAPIC_EDGE 0
#define IOSAPIC_LEVEL 1
/*
* Mask bit
*/
#define IOSAPIC_MASK_SHIFT 16
#define IOSAPIC_MASK (1<<IOSAPIC_MASK_SHIFT)
#define IOSAPIC_VECTOR_MASK 0xffffff00
#ifndef __ASSEMBLY__
#ifdef CONFIG_IOSAPIC
#define NR_IOSAPICS 256
#define iosapic_pcat_compat_init ia64_native_iosapic_pcat_compat_init
#define __iosapic_read __ia64_native_iosapic_read
#define __iosapic_write __ia64_native_iosapic_write
#define iosapic_get_irq_chip ia64_native_iosapic_get_irq_chip
extern void __init ia64_native_iosapic_pcat_compat_init(void);
extern struct irq_chip *ia64_native_iosapic_get_irq_chip(unsigned long trigger);
static inline unsigned int
__ia64_native_iosapic_read(char __iomem *iosapic, unsigned int reg)
{
writel(reg, iosapic + IOSAPIC_REG_SELECT);
return readl(iosapic + IOSAPIC_WINDOW);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Björn Helgaas | 32 | 94.12% | 1 | 33.33% |
| Isaku Yamahata | 1 | 2.94% | 1 | 33.33% |
| David Mosberger-Tang | 1 | 2.94% | 1 | 33.33% |
| Total | 34 | 100.00% | 3 | 100.00% |
static inline void
__ia64_native_iosapic_write(char __iomem *iosapic, unsigned int reg, u32 val)
{
writel(reg, iosapic + IOSAPIC_REG_SELECT);
writel(val, iosapic + IOSAPIC_WINDOW);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Björn Helgaas | 35 | 94.59% | 1 | 33.33% |
| David Mosberger-Tang | 1 | 2.70% | 1 | 33.33% |
| Isaku Yamahata | 1 | 2.70% | 1 | 33.33% |
| Total | 37 | 100.00% | 3 | 100.00% |
static inline void iosapic_eoi(char __iomem *iosapic, u32 vector)
{
writel(vector, iosapic + IOSAPIC_EOI);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Björn Helgaas | 23 | 95.83% | 1 | 50.00% |
| David Mosberger-Tang | 1 | 4.17% | 1 | 50.00% |
| Total | 24 | 100.00% | 2 | 100.00% |
extern void __init iosapic_system_init (int pcat_compat);
extern int iosapic_init (unsigned long address, unsigned int gsi_base);
extern int iosapic_remove (unsigned int gsi_base);
extern int gsi_to_irq (unsigned int gsi);
extern int iosapic_register_intr (unsigned int gsi, unsigned long polarity,
unsigned long trigger);
extern void iosapic_unregister_intr (unsigned int irq);
extern void iosapic_override_isa_irq (unsigned int isa_irq, unsigned int gsi,
unsigned long polarity,
unsigned long trigger);
extern int __init iosapic_register_platform_intr (u32 int_type,
unsigned int gsi,
int pmi_vector,
u16 eid, u16 id,
unsigned long polarity,
unsigned long trigger);
#ifdef CONFIG_NUMA
extern void map_iosapic_to_node (unsigned int, int);
#endif
#else
#define iosapic_system_init(pcat_compat) do { } while (0)
#define iosapic_init(address,gsi_base) (-EINVAL)
#define iosapic_remove(gsi_base) (-ENODEV)
#define iosapic_register_intr(gsi,polarity,trigger) (gsi)
#define iosapic_unregister_intr(irq) do { } while (0)
#define iosapic_override_isa_irq(isa_irq,gsi,polarity,trigger) do { } while (0)
#define iosapic_register_platform_intr(type,gsi,pmi,eid,id, \
polarity,trigger) (gsi)
#endif
# endif /* !__ASSEMBLY__ */
#endif /* __ASM_IA64_IOSAPIC_H */
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Björn Helgaas | 167 | 35.91% | 5 | 25.00% |
| Linus Torvalds (pre-git) | 140 | 30.11% | 3 | 15.00% |
| Isaku Yamahata | 37 | 7.96% | 1 | 5.00% |
| Kenji Kaneshige | 34 | 7.31% | 2 | 10.00% |
| Linus Torvalds | 32 | 6.88% | 1 | 5.00% |
| Takayoshi Kouchi | 17 | 3.66% | 1 | 5.00% |
| Alex Williamson | 15 | 3.23% | 1 | 5.00% |
| David Mosberger-Tang | 12 | 2.58% | 2 | 10.00% |
| Yasuaki Ishimatsu | 4 | 0.86% | 1 | 5.00% |
| Jes Sorensen | 4 | 0.86% | 1 | 5.00% |
| Peter Chubb | 2 | 0.43% | 1 | 5.00% |
| Greg Kroah-Hartman | 1 | 0.22% | 1 | 5.00% |
| Total | 465 | 100.00% | 20 | 100.00% |
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