Move it out of x86/ioapic.c since it can be further re-used. Also, renaming into TRIGGER_*. Signed-off-by: Peter Xu <peterx@xxxxxxxxxx> --- lib/x86/apic.h | 6 ++++++ x86/ioapic.c | 34 ++++++++++++++++------------------ 2 files changed, 22 insertions(+), 18 deletions(-) diff --git a/lib/x86/apic.h b/lib/x86/apic.h index 192268c..699102c 100644 --- a/lib/x86/apic.h +++ b/lib/x86/apic.h @@ -18,6 +18,12 @@ typedef struct { uint8_t dest_id; } ioapic_redir_entry_t; +typedef enum trigger_mode { + TRIGGER_EDGE = 0, + TRIGGER_LEVEL, + TRIGGER_MAX, +} trigger_mode_t; + void mask_pic_interrupts(void); void eoi(void); diff --git a/x86/ioapic.c b/x86/ioapic.c index 314c9bb..e5cc259 100644 --- a/x86/ioapic.c +++ b/x86/ioapic.c @@ -5,10 +5,8 @@ #include "desc.h" #include "isr.h" -#define EDGE_TRIGGERED 0 -#define LEVEL_TRIGGERED 1 - -static void set_ioapic_redir(unsigned line, unsigned vec, unsigned trig_mode) +static void set_ioapic_redir(unsigned line, unsigned vec, + trigger_mode_t trig_mode) { ioapic_redir_entry_t e = { .vector = vec, @@ -89,7 +87,7 @@ static void ioapic_isr_76(isr_regs_t *regs) static void test_ioapic_edge_intr(void) { handle_irq(0x76, ioapic_isr_76); - set_ioapic_redir(0x0e, 0x76, EDGE_TRIGGERED); + set_ioapic_redir(0x0e, 0x76, TRIGGER_EDGE); toggle_irq_line(0x0e); asm volatile ("nop"); report("edge triggered intr", g_isr_76 == 1); @@ -107,7 +105,7 @@ static void ioapic_isr_77(isr_regs_t *regs) static void test_ioapic_level_intr(void) { handle_irq(0x77, ioapic_isr_77); - set_ioapic_redir(0x0e, 0x77, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x77, TRIGGER_LEVEL); set_irq_line(0x0e, 1); asm volatile ("nop"); report("level triggered intr", g_isr_77 == 1); @@ -136,8 +134,8 @@ static void test_ioapic_simultaneous(void) { handle_irq(0x78, ioapic_isr_78); handle_irq(0x66, ioapic_isr_66); - set_ioapic_redir(0x0e, 0x78, EDGE_TRIGGERED); - set_ioapic_redir(0x0f, 0x66, EDGE_TRIGGERED); + set_ioapic_redir(0x0e, 0x78, TRIGGER_EDGE); + set_ioapic_redir(0x0f, 0x66, TRIGGER_EDGE); irq_disable(); toggle_irq_line(0x0f); toggle_irq_line(0x0e); @@ -161,7 +159,7 @@ static void test_ioapic_edge_tmr(bool expected_tmr_before) int tmr_before; handle_irq(0x79, ioapic_isr_79); - set_ioapic_redir(0x0e, 0x79, EDGE_TRIGGERED); + set_ioapic_redir(0x0e, 0x79, TRIGGER_EDGE); tmr_before = apic_read_bit(APIC_TMR, 0x79); toggle_irq_line(0x0e); asm volatile ("nop"); @@ -175,7 +173,7 @@ static void test_ioapic_level_tmr(bool expected_tmr_before) int tmr_before; handle_irq(0x79, ioapic_isr_79); - set_ioapic_redir(0x0e, 0x79, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x79, TRIGGER_LEVEL); tmr_before = apic_read_bit(APIC_TMR, 0x79); set_irq_line(0x0e, 1); asm volatile ("nop"); @@ -206,7 +204,7 @@ static void test_ioapic_edge_tmr_smp(bool expected_tmr_before) g_tmr_79 = -1; handle_irq(0x79, ioapic_isr_79); - set_ioapic_redir(0x0e, 0x79, EDGE_TRIGGERED); + set_ioapic_redir(0x0e, 0x79, TRIGGER_EDGE); tmr_before = apic_read_bit(APIC_TMR, 0x79); on_cpu_async(1, toggle_irq_line_0x0e, 0); i = 0; @@ -231,7 +229,7 @@ static void test_ioapic_level_tmr_smp(bool expected_tmr_before) g_tmr_79 = -1; handle_irq(0x79, ioapic_isr_79); - set_ioapic_redir(0x0e, 0x79, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x79, TRIGGER_LEVEL); tmr_before = apic_read_bit(APIC_TMR, 0x79); on_cpu_async(1, set_irq_line_0x0e, 0); i = 0; @@ -258,7 +256,7 @@ static void ioapic_isr_98(isr_regs_t *regs) static void test_ioapic_level_coalesce(void) { handle_irq(0x98, ioapic_isr_98); - set_ioapic_redir(0x0e, 0x98, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x98, TRIGGER_LEVEL); set_irq_line(0x0e, 1); asm volatile ("nop"); report("coalesce simultaneous level interrupts", g_isr_98 == 1); @@ -276,7 +274,7 @@ static void ioapic_isr_99(isr_regs_t *regs) static void test_ioapic_level_sequential(void) { handle_irq(0x99, ioapic_isr_99); - set_ioapic_redir(0x0e, 0x99, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x99, TRIGGER_LEVEL); set_irq_line(0x0e, 1); set_irq_line(0x0e, 1); asm volatile ("nop"); @@ -298,7 +296,7 @@ static void test_ioapic_level_retrigger(void) int i; handle_irq(0x9a, ioapic_isr_9a); - set_ioapic_redir(0x0e, 0x9a, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x9a, TRIGGER_LEVEL); asm volatile ("cli"); set_irq_line(0x0e, 1); @@ -327,7 +325,7 @@ static void ioapic_isr_81(isr_regs_t *regs) static void test_ioapic_edge_mask(void) { handle_irq(0x81, ioapic_isr_81); - set_ioapic_redir(0x0e, 0x81, EDGE_TRIGGERED); + set_ioapic_redir(0x0e, 0x81, TRIGGER_EDGE); set_mask(0x0e, true); set_irq_line(0x0e, 1); @@ -355,7 +353,7 @@ static void ioapic_isr_82(isr_regs_t *regs) static void test_ioapic_level_mask(void) { handle_irq(0x82, ioapic_isr_82); - set_ioapic_redir(0x0e, 0x82, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x82, TRIGGER_LEVEL); set_mask(0x0e, true); set_irq_line(0x0e, 1); @@ -381,7 +379,7 @@ static void ioapic_isr_83(isr_regs_t *regs) static void test_ioapic_level_retrigger_mask(void) { handle_irq(0x83, ioapic_isr_83); - set_ioapic_redir(0x0e, 0x83, LEVEL_TRIGGERED); + set_ioapic_redir(0x0e, 0x83, TRIGGER_LEVEL); set_irq_line(0x0e, 1); asm volatile ("nop"); -- 2.7.4 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html