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hv: modify static irq mappings into array of structure

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The patch is replace irq_static_mappings type from 2 dimension array
into structure and one dimension array.

Tracked-On: #1375
Signed-off-by: Wei Liu <weix.w.liu@intel.com>
Reviewed-by: Jason Chen <jason.cj.chen@intel.com>
Acked-by: Eddie Dong <eddie.dong@intel.com>
This commit is contained in:
Wei Liu 2018-09-28 18:24:23 +08:00 committed by lijinxia
parent 1c0a3d9a02
commit c76114714e
2 changed files with 9 additions and 4 deletions
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12
hypervisor/arch/x86/irq.c
View File

@ -17,8 +17,12 @@ static uint32_t vector_to_irq[NR_MAX_VECTOR + 1];
spurious_handler_t spurious_handler;
#define NR_STATIC_MAPPINGS (2U)
static uint32_t irq_static_mappings[NR_STATIC_MAPPINGS][2] = {
struct static_mapping_table {
uint32_t irq;
uint32_t vector;
};
static struct static_mapping_table irq_static_mappings[NR_STATIC_MAPPINGS] = {
{TIMER_IRQ, VECTOR_TIMER},
{NOTIFY_IRQ, VECTOR_NOTIFY_VCPU},
};
@ -444,8 +448,8 @@ static void init_irq_descs(void)
/* init fixed mapping for specific irq and vector */
for (i = 0U; i < NR_STATIC_MAPPINGS; i++) {
uint32_t irq = irq_static_mappings[i][0];
uint32_t vr = irq_static_mappings[i][1];
uint32_t irq = irq_static_mappings[i].irq;
uint32_t vr = irq_static_mappings[i].vector;
irq_desc_array[irq].vector = vr;
vector_to_irq[vr] = irq;

1
hypervisor/include/arch/x86/irq.h
View File

@ -33,6 +33,7 @@
#define NR_IRQS 256U
#define IRQ_INVALID 0xffffffffU
#define NR_STATIC_MAPPINGS (2U)
#define TIMER_IRQ (NR_IRQS - 1U)
#define NOTIFY_IRQ (NR_IRQS - 2U)