File: [Development] / linux-2.6-xfs / include / asm-cris / arch-v32 / hwregs / dma.h (download)
Revision 1.13, Wed Sep 12 17:09:56 2007 UTC (10 years, 1 month ago) by tes.longdrop.melbourne.sgi.com
Branch: MAIN
Changes since 1.12: +0 -0
lines
Update 2.6.x-xfs to 2.6.23-rc4.
Also update fs/xfs with external mainline changes.
There were 12 such missing commits that I detected:
--------
commit ad690ef9e690f6c31f7d310b09ef1314bcec9033
Author: Al Viro <viro@ftp.linux.org.uk>
xfs ioctl __user annotations
commit 20c2df83d25c6a95affe6157a4c9cac4cf5ffaac
Author: Paul Mundt <lethal@linux-sh.org>
mm: Remove slab destructors from kmem_cache_create().
commit d0217ac04ca6591841e5665f518e38064f4e65bd
Author: Nick Piggin <npiggin@suse.de>
mm: fault feedback #1
commit 54cb8821de07f2ffcd28c380ce9b93d5784b40d7
Author: Nick Piggin <npiggin@suse.de>
mm: merge populate and nopage into fault (fixes nonlinear)
commit d00806b183152af6d24f46f0c33f14162ca1262a
Author: Nick Piggin <npiggin@suse.de>
mm: fix fault vs invalidate race for linear mappings
commit a569425512253992cc64ebf8b6d00a62f986db3e
Author: Christoph Hellwig <hch@infradead.org>
knfsd: exportfs: add exportfs.h header
commit 831441862956fffa17b9801db37e6ea1650b0f69
Author: Rafael J. Wysocki <rjw@sisk.pl>
Freezer: make kernel threads nonfreezable by default
commit 8e1f936b73150f5095448a0fee6d4f30a1f9001d
Author: Rusty Russell <rusty@rustcorp.com.au>
mm: clean up and kernelify shrinker registration
commit 5ffc4ef45b3b0a57872f631b4e4ceb8ace0d7496
Author: Jens Axboe <jens.axboe@oracle.com>
sendfile: remove .sendfile from filesystems that use generic_file_sendfile()
commit 8bb7844286fb8c9fce6f65d8288aeb09d03a5e0d
Author: Rafael J. Wysocki <rjw@sisk.pl>
Add suspend-related notifications for CPU hotplug
commit 59c51591a0ac7568824f541f57de967e88adaa07
Author: Michael Opdenacker <michael@free-electrons.com>
Fix occurrences of "the the "
commit 0ceb331433e8aad9c5f441a965d7c681f8b9046f
Author: Dmitriy Monakhov <dmonakhov@openvz.org>
mm: move common segment checks to separate helper function
--------
Merge of 2.6.x-xfs-melb:linux:29656b by kenmcd.
|
/* $Id: dma.h,v 1.13 2007/09/12 17:09:56 tes.longdrop.melbourne.sgi.com Exp $
*
* DMA C definitions and help macros
*
*/
#ifndef dma_h
#define dma_h
/* registers */ /* Really needed, since both are listed in sw.list? */
#include "dma_defs.h"
/* descriptors */
// ------------------------------------------------------------ dma_descr_group
typedef struct dma_descr_group {
struct dma_descr_group *next;
unsigned eol : 1;
unsigned tol : 1;
unsigned bol : 1;
unsigned : 1;
unsigned intr : 1;
unsigned : 2;
unsigned en : 1;
unsigned : 7;
unsigned dis : 1;
unsigned md : 16;
struct dma_descr_group *up;
union {
struct dma_descr_context *context;
struct dma_descr_group *group;
} down;
} dma_descr_group;
// ---------------------------------------------------------- dma_descr_context
typedef struct dma_descr_context {
struct dma_descr_context *next;
unsigned eol : 1;
unsigned : 3;
unsigned intr : 1;
unsigned : 1;
unsigned store_mode : 1;
unsigned en : 1;
unsigned : 7;
unsigned dis : 1;
unsigned md0 : 16;
unsigned md1;
unsigned md2;
unsigned md3;
unsigned md4;
struct dma_descr_data *saved_data;
char *saved_data_buf;
} dma_descr_context;
// ------------------------------------------------------------- dma_descr_data
typedef struct dma_descr_data {
struct dma_descr_data *next;
char *buf;
unsigned eol : 1;
unsigned : 2;
unsigned out_eop : 1;
unsigned intr : 1;
unsigned wait : 1;
unsigned : 2;
unsigned : 3;
unsigned in_eop : 1;
unsigned : 4;
unsigned md : 16;
char *after;
} dma_descr_data;
// --------------------------------------------------------------------- macros
// enable DMA channel
#define DMA_ENABLE( inst ) \
do { reg_dma_rw_cfg e = REG_RD( dma, inst, rw_cfg );\
e.en = regk_dma_yes; \
REG_WR( dma, inst, rw_cfg, e); } while( 0 )
// reset DMA channel
#define DMA_RESET( inst ) \
do { reg_dma_rw_cfg r = REG_RD( dma, inst, rw_cfg );\
r.en = regk_dma_no; \
REG_WR( dma, inst, rw_cfg, r); } while( 0 )
// stop DMA channel
#define DMA_STOP( inst ) \
do { reg_dma_rw_cfg s = REG_RD( dma, inst, rw_cfg );\
s.stop = regk_dma_yes; \
REG_WR( dma, inst, rw_cfg, s); } while( 0 )
// continue DMA channel operation
#define DMA_CONTINUE( inst ) \
do { reg_dma_rw_cfg c = REG_RD( dma, inst, rw_cfg );\
c.stop = regk_dma_no; \
REG_WR( dma, inst, rw_cfg, c); } while( 0 )
// give stream command
#define DMA_WR_CMD( inst, cmd_par ) \
do { reg_dma_rw_stream_cmd r = {0}; \
do { r = REG_RD( dma, inst, rw_stream_cmd ); } while( r.busy ); \
r.cmd = (cmd_par); \
REG_WR( dma, inst, rw_stream_cmd, r ); \
} while( 0 )
// load: g,c,d:burst
#define DMA_START_GROUP( inst, group_descr ) \
do { REG_WR_INT( dma, inst, rw_group, (int) group_descr ); \
DMA_WR_CMD( inst, regk_dma_load_g ); \
DMA_WR_CMD( inst, regk_dma_load_c ); \
DMA_WR_CMD( inst, regk_dma_load_d | regk_dma_burst ); \
} while( 0 )
// load: c,d:burst
#define DMA_START_CONTEXT( inst, ctx_descr ) \
do { REG_WR_INT( dma, inst, rw_group_down, (int) ctx_descr ); \
DMA_WR_CMD( inst, regk_dma_load_c ); \
DMA_WR_CMD( inst, regk_dma_load_d | regk_dma_burst ); \
} while( 0 )
// if the DMA is at the end of the data list, the last data descr is reloaded
#define DMA_CONTINUE_DATA( inst ) \
do { reg_dma_rw_cmd c = {0}; \
c.cont_data = regk_dma_yes;\
REG_WR( dma, inst, rw_cmd, c ); } while( 0 )
#endif
![[BACK]](/icons/back.gif){kind=icon}
Return to dma.h CVS log ![[TXT]](/icons/text.gif){kind=icon}
![[DIR]](/icons/dir.gif){kind=icon}
Up to [Development] / linux-2.6-xfs / include / asm-cris / arch-v32 / hwregs