github/acrn-hypervisor
1
0
Fork 0
mirror of https://github.com/projectacrn/acrn-hypervisor.git synced 2026-01-04 23:24:56 +00:00
Code Issues Projects Releases Wiki Activity

hv: pirq: use a bitmap to maintain irq use status

Browse Source 
This commit replaces the "used" field of irq_desc with a bitmap to maintain
the irq use status to save memory and LOC, and improve the efficiency as well.

Signed-off-by: Yan, Like <like.yan@intel.com>
Reviewed-by: Li, Fei1 <fei1.li@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Yan, Like
2018-08-20 22:41:08 +08:00
committed by lijinxia
parent e0d40feaa8
commit 65e01a0cd2
3 changed files with 12 additions and 25 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
hypervisor/include/common/irq.h
View File

@@ -17,17 +17,11 @@ enum irq_mode {
IRQ_DEASSERT,
};
enum irq_use_state {
IRQ_NOT_ASSIGNED = 0,
IRQ_ASSIGNED,
};
typedef int (*irq_action_t)(uint32_t irq, void *priv_data);
/* any field change in below required irq_lock protection with irqsave */
struct irq_desc {
uint32_t irq; /* index to irq_desc_base */
enum irq_use_state used; /* this irq have assigned to device */
uint32_t vector; /* assigned vector */
irq_action_t action; /* callback registered from component */