xeneva-source-reference/devhw_8h_source.html

#ifndef __DEVHW_H__

#define __DEVHW_H__


#include <aurora.h>

#include <process.h>


extern void AuHwdevInitialize(void);


extern void AuInputSrvInitialize(void);


extern bool AuHwdevCallerAllowed(AuProcess* proc);


extern bool AuHwdevClaimsPci(int bus, int dev, int func);


extern bool AuHwdevOwnsDma(AuProcess* proc, uint64_t phys, uint64_t len);


extern bool AuHwdevHandleIsDevice(AuProcess* proc, int fd, uint16_t vendor,

    uint16_t device);


extern void* AuHwdevHandleObject(AuProcess* proc, int fd);


extern bool AuHwdevHandleOwnsDma(AuProcess* proc, int fd, uint64_t phys,

    uint64_t len);


extern AuProcess* AuHwdevCurrentProcess(void);


#endif

uint64_t
COMPILER_DEPENDENT_UINT64 uint64_t
Definition acefiex.h:165

uint16_t
unsigned short int uint16_t
Definition acefiex.h:162

vendor
uint16_t vendor
Definition devhw.c:88

AuInputSrvInitialize
void AuInputSrvInitialize(void)
AuInputSrvInitialize – register /dev/inputsrv (see BaseHdr/inputsrv.h)
Definition devinputsrv.c:89

AuHwdevHandleIsDevice
bool AuHwdevHandleIsDevice(AuProcess *proc, int fd, uint16_t vendor, uint16_t device)
Validate that fd is the caller's PCI function with the requested ID.
Definition devhw.c:253

AuHwdevInitialize
void AuHwdevInitialize(void)
AuHwdevInitialize – register /dev/hwdev (hardware access for user-space drivers, see BaseHdr/hwdev....
Definition devhw.c:657

AuHwdevCallerAllowed
bool AuHwdevCallerAllowed(AuProcess *proc)
AuHwdevCallerAllowed – true when proc is in the MISC_DAEMONS group. Checked on every privileged opera...
Definition devhw.c:121

AuHwdevClaimsPci
bool AuHwdevClaimsPci(int bus, int dev, int func)
True when a live user-space hwdev capability owns this PCI function.
Definition devhw.c:102

AuHwdevHandleObject
void * AuHwdevHandleObject(AuProcess *proc, int fd)
Return the opaque kernel object for one exact caller handle.
Definition devhw.c:259

AuHwdevHandleOwnsDma
bool AuHwdevHandleOwnsDma(AuProcess *proc, int fd, uint64_t phys, uint64_t len)
Validate a DMA range against one exact hwdev capability.
Definition devhw.c:263

AuHwdevCurrentProcess
AuProcess * AuHwdevCurrentProcess(void)
AuHwdevCurrentProcess – the process running the current thread.
Definition devhw.c:111

AuHwdevOwnsDma
bool AuHwdevOwnsDma(AuProcess *proc, uint64_t phys, uint64_t len)
AuHwdevOwnsDma – true when [phys, phys+len) lies inside a DMA buffer that proc allocated through one ...
Definition devhw.c:219

dev
const struct device * dev
Definition drm_print.h:519

len
size_t len
Definition initial.c:23

phys
char phys[]

process.h

_au_proc_
Definition process.h:126

device
Definition fs.h:255

fd
Definition file.h:140