diff options
Diffstat (limited to 'arch/x86/include/asm/irq.h')
| -rw-r--r-- | arch/x86/include/asm/irq.h | 32 |
1 files changed, 8 insertions, 24 deletions
diff --git a/arch/x86/include/asm/irq.h b/arch/x86/include/asm/irq.h index 9ac91f2296..e5c916070c 100644 --- a/arch/x86/include/asm/irq.h +++ b/arch/x86/include/asm/irq.h @@ -22,6 +22,11 @@ enum pirq_config { PIRQ_VIA_IBASE }; +struct pirq_regmap { + int link; + int offset; +}; + /** * Intel interrupt router control block * @@ -30,6 +35,7 @@ enum pirq_config { * @config: PIRQ_VIA_PCI or PIRQ_VIA_IBASE * @link_base: link value base number * @link_num: number of PIRQ links supported + * @has_regmap: has mapping table between PIRQ link and routing register offset * @irq_mask: IRQ mask reprenting the 16 IRQs in 8259, bit N is 1 means * IRQ N is available to be routed * @lb_bdf: irq router's PCI bus/device/function number encoding @@ -41,6 +47,8 @@ struct irq_router { int config; u32 link_base; int link_num; + bool has_regmap; + struct pirq_regmap *regmap; u16 irq_mask; u32 bdf; u32 ibase; @@ -54,30 +62,6 @@ struct pirq_routing { int pirq; }; -/** - * pirq_reg_to_linkno() - Convert a PIRQ routing register offset to link number - * - * @reg: PIRQ routing register offset from the base address - * @base: PIRQ routing register block base address - * @return: PIRQ link number (0 for PIRQA, 1 for PIRQB, etc) - */ -static inline int pirq_reg_to_linkno(int reg, int base) -{ - return reg - base; -} - -/** - * pirq_linkno_to_reg() - Convert a PIRQ link number to routing register offset - * - * @linkno: PIRQ link number (0 for PIRQA, 1 for PIRQB, etc) - * @base: PIRQ routing register block base address - * @return: PIRQ routing register offset from the base address - */ -static inline int pirq_linkno_to_reg(int linkno, int base) -{ - return linkno + base; -} - #define PIRQ_BITMAP 0xdef8 #endif /* _ARCH_IRQ_H_ */ |