accessors.c File Reference

#include "spebase.h"
#include "create.h"
#include <fcntl.h>
#include <errno.h>
#include <sys/mman.h>

Include dependency graph for accessors.c:

Go to the source code of this file.

Functions
void *	_base_spe_ps_area_get (spe_context_ptr_t spe, enum ps_area area)
void *	_base_spe_ls_area_get (spe_context_ptr_t spe)
	__attribute__ ((noinline))
int	__base_spe_event_source_acquire (spe_context_ptr_t spe, enum fd_name fdesc)
void	__base_spe_event_source_release (struct spe_context *spe, enum fd_name fdesc)
int	__base_spe_spe_dir_get (spe_context_ptr_t spe)
int	__base_spe_stop_event_source_get (spe_context_ptr_t spe)
int	__base_spe_stop_event_target_get (spe_context_ptr_t spe)
int	_base_spe_ls_size_get (spe_context_ptr_t spe)

Function Documentation

__attribute__

(

(noinline)

)

Definition at line 69 of file accessors.c.

{
        return;
}

int __base_spe_event_source_acquire	(	spe_context_ptr_t	spe,
		enum fd_name	fdesc
	)

Definition at line 74 of file accessors.c.

References _base_spe_open_if_closed().

Referenced by _event_spe_event_handler_deregister(), and _event_spe_event_handler_register().

{
        return _base_spe_open_if_closed(spe, fdesc, 0);
}

Here is the call graph for this function:

void __base_spe_event_source_release	(	struct spe_context *	spectx,
		enum fd_name	fdesc
	)

__base_spe_event_source_release releases the file descriptor to the specified event source

Parameters

spectx	Specifies the SPE context
fdesc	Specifies the event source

Definition at line 79 of file accessors.c.

References _base_spe_close_if_open().

{
        _base_spe_close_if_open(spe, fdesc);
}

Here is the call graph for this function:

int __base_spe_spe_dir_get

(

spe_context_ptr_t

spe)

Definition at line 84 of file accessors.c.

References spe_context::base_private, and spe_context_base_priv::fd_spe_dir.

{
        return spe->base_private->fd_spe_dir;
}

int __base_spe_stop_event_source_get

(

spe_context_ptr_t

spe)

speevent users read from this end

Definition at line 92 of file accessors.c.

References spe_context::base_private, and spe_context_base_priv::ev_pipe.

{
        return spe->base_private->ev_pipe[1];
}

int __base_spe_stop_event_target_get

(

spe_context_ptr_t

spe)

speevent writes to this end

Definition at line 100 of file accessors.c.

References spe_context::base_private, and spe_context_base_priv::ev_pipe.

{
        return spe->base_private->ev_pipe[0];
}

void* _base_spe_ls_area_get

(

spe_context_ptr_t

spe)

Definition at line 64 of file accessors.c.

References spe_context::base_private, and spe_context_base_priv::mem_mmap_base.

{
        return spe->base_private->mem_mmap_base;
}

int _base_spe_ls_size_get

(

spe_context_ptr_t

spe)

_base_spe_ls_size_get returns the size of the local store area

Parameters

spectx

Specifies the SPE context

Definition at line 105 of file accessors.c.

References LS_SIZE.

{
        return LS_SIZE;
}

void* _base_spe_ps_area_get	(	spe_context_ptr_t	spe,
		enum ps_area	area
	)

Definition at line 30 of file accessors.c.

References spe_context::base_private, spe_context_base_priv::cntl_mmap_base, spe_context_base_priv::mfc_mmap_base, spe_context_base_priv::mssync_mmap_base, spe_context_base_priv::signal1_mmap_base, spe_context_base_priv::signal2_mmap_base, SPE_CONTROL_AREA, SPE_MFC_COMMAND_AREA, SPE_MSSYNC_AREA, SPE_SIG_NOTIFY_1_AREA, and SPE_SIG_NOTIFY_2_AREA.

{
        void *ptr;

        switch (area) {
                case SPE_MSSYNC_AREA:
                        ptr = spe->base_private->mssync_mmap_base;
                        break;
                case SPE_MFC_COMMAND_AREA:
                        ptr = spe->base_private->mfc_mmap_base;
                        break;
                case SPE_CONTROL_AREA:
                        ptr = spe->base_private->cntl_mmap_base;
                        break;
                case SPE_SIG_NOTIFY_1_AREA:
                        ptr = spe->base_private->signal1_mmap_base;
                        break;
                case SPE_SIG_NOTIFY_2_AREA:
                        ptr = spe->base_private->signal2_mmap_base;
                        break;
                default:
                        errno = EINVAL;
                        return NULL;
                        break;
        }

        if (ptr == MAP_FAILED) {
                errno = EACCES;
                return NULL;
        }

        return ptr;
}