5113f6f70
 김현기
kernel add
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
#ifndef __ASM_GENERIC_MSI_H
#define __ASM_GENERIC_MSI_H
#include <linux/types.h>
#ifndef NUM_MSI_ALLOC_SCRATCHPAD_REGS
# define NUM_MSI_ALLOC_SCRATCHPAD_REGS 2
#endif
struct msi_desc;
/**
* struct msi_alloc_info - Default structure for MSI interrupt allocation.
* @desc: Pointer to msi descriptor
* @hwirq: Associated hw interrupt number in the domain
* @scratchpad: Storage for implementation specific scratch data
*
* Architectures can provide their own implementation by not including
* asm-generic/msi.h into their arch specific header file.
*/
typedef struct msi_alloc_info {
struct msi_desc *desc;
irq_hw_number_t hwirq;
union {
unsigned long ul;
void *ptr;
} scratchpad[NUM_MSI_ALLOC_SCRATCHPAD_REGS];
} msi_alloc_info_t;
#define GENERIC_MSI_DOMAIN_OPS 1
#endif
|