libxcoder  5.2.0
ni_p2p_ioctl.h
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21 
22 /*!*****************************************************************************
23  * \file ni_p2p_ioctl.h
24  *
25  * \brief Definitions related to NETINT P2P kernel driver interface
26  ******************************************************************************/
27 
28 #ifndef _NETINT_IOCTL_H
29 #define _NETINT_IOCTL_H
30 
31 #define NI_DMABUF_READ_FENCE (1 << 0)
32 #define NI_DMABUF_SYNC_FILE_OUT_FENCE (1 << 1)
33 #define NI_DMABUF_SYNC_FILE_IN_FENCE (1 << 2)
34 
35 #define NI_DMABUF_MAX_SGL_ENTRY 128
36 
37 enum
38 {
41 };
42 
44 {
45  int fd;
46  unsigned int flags;
47  int domain;
48  int bus;
49  int dev;
50  int fn;
51  int bar;
52  unsigned long offset;
53  unsigned long length;
54 };
55 
57  int fd;
58  unsigned int flags; // reserved for future use
59  int domain;
60  int bus;
61  int dev;
62  int fn;
63  int nents;
65 #ifdef __linux__
67 #else
69 #endif
70 };
71 
73 {
74  int fd;
75  unsigned int len;
76  int dir;
77  unsigned char *data;
78 };
79 
81 {
82  int fd;
83  int fence_fd;
84  unsigned int flags;
85 };
86 
88 {
89  int fd;
90 };
91 
92 #define NETINT_IOCTL_ID _IO('N', 0x80)
93 #define NETINT_IOCTL_EXPORT_DMABUF \
94  _IOWR('N', 0x81, struct netint_iocmd_export_dmabuf)
95 #define NETINT_IOCTL_ATTACH_RFENCE \
96  _IOW('N', 0x82, struct netint_iocmd_attach_rfence)
97 #define NETINT_IOCTL_SIGNAL_RFENCE \
98  _IOW('N', 0x83, struct netint_iocmd_signal_rfence)
99 #define NETINT_IOCTL_ISSUE_REQ \
100  _IOW('N', 0x85, struct netint_iocmd_issue_request)
101 #define NETINT_IOCTL_IMPORT_DMABUF \
102  _IOW('N', 0x88, struct netint_iocmd_import_dmabuf)
103 #endif /* _NETINT_IOCTL_H */
netint_iocmd_issue_request::len
unsigned int len
Definition: ni_p2p_ioctl.h:75
netint_iocmd_attach_rfence
Definition: ni_p2p_ioctl.h:80
netint_iocmd_attach_rfence::fence_fd
int fence_fd
Definition: ni_p2p_ioctl.h:83
netint_iocmd_import_dmabuf::dma_addr
unsigned long dma_addr[NI_DMABUF_MAX_SGL_ENTRY]
Definition: ni_p2p_ioctl.h:68
netint_iocmd_issue_request::dir
int dir
Definition: ni_p2p_ioctl.h:76
netint_iocmd_export_dmabuf::bar
int bar
Definition: ni_p2p_ioctl.h:51
NI_DMABUF_MAX_SGL_ENTRY
#define NI_DMABUF_MAX_SGL_ENTRY
Definition: ni_p2p_ioctl.h:35
netint_iocmd_export_dmabuf::bus
int bus
Definition: ni_p2p_ioctl.h:48
netint_iocmd_import_dmabuf::dma_len
unsigned int dma_len[NI_DMABUF_MAX_SGL_ENTRY]
Definition: ni_p2p_ioctl.h:64
netint_iocmd_export_dmabuf
Definition: ni_p2p_ioctl.h:43
NI_DMABUF_WRITE_TO_DEVICE
@ NI_DMABUF_WRITE_TO_DEVICE
Definition: ni_p2p_ioctl.h:40
netint_iocmd_attach_rfence::flags
unsigned int flags
Definition: ni_p2p_ioctl.h:84
netint_iocmd_import_dmabuf::fn
int fn
Definition: ni_p2p_ioctl.h:62
netint_iocmd_import_dmabuf::fd
int fd
Definition: ni_p2p_ioctl.h:57
netint_iocmd_issue_request::fd
int fd
Definition: ni_p2p_ioctl.h:74
netint_iocmd_import_dmabuf::domain
int domain
Definition: ni_p2p_ioctl.h:59
netint_iocmd_export_dmabuf::flags
unsigned int flags
Definition: ni_p2p_ioctl.h:46
netint_iocmd_export_dmabuf::fn
int fn
Definition: ni_p2p_ioctl.h:50
netint_iocmd_signal_rfence::fd
int fd
Definition: ni_p2p_ioctl.h:89
netint_iocmd_import_dmabuf
Definition: ni_p2p_ioctl.h:56
netint_iocmd_export_dmabuf::domain
int domain
Definition: ni_p2p_ioctl.h:47
netint_iocmd_issue_request::data
unsigned char * data
Definition: ni_p2p_ioctl.h:77
netint_iocmd_attach_rfence::fd
int fd
Definition: ni_p2p_ioctl.h:82
netint_iocmd_export_dmabuf::length
unsigned long length
Definition: ni_p2p_ioctl.h:53
NI_DMABUF_READ_FROM_DEVICE
@ NI_DMABUF_READ_FROM_DEVICE
Definition: ni_p2p_ioctl.h:39
netint_iocmd_export_dmabuf::fd
int fd
Definition: ni_p2p_ioctl.h:45
netint_iocmd_issue_request
Definition: ni_p2p_ioctl.h:72
netint_iocmd_export_dmabuf::dev
int dev
Definition: ni_p2p_ioctl.h:49
netint_iocmd_import_dmabuf::flags
unsigned int flags
Definition: ni_p2p_ioctl.h:58
netint_iocmd_import_dmabuf::nents
int nents
Definition: ni_p2p_ioctl.h:63
netint_iocmd_import_dmabuf::dev
int dev
Definition: ni_p2p_ioctl.h:61
netint_iocmd_signal_rfence
Definition: ni_p2p_ioctl.h:87
netint_iocmd_export_dmabuf::offset
unsigned long offset
Definition: ni_p2p_ioctl.h:52
netint_iocmd_import_dmabuf::bus
int bus
Definition: ni_p2p_ioctl.h:60