diff options
Diffstat (limited to 'include/linux/ide.h')
| -rw-r--r-- | include/linux/ide.h | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/include/linux/ide.h b/include/linux/ide.h index 03dc2157a2b..bba2f73b99a 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -724,6 +724,12 @@ enum { PC_FLAG_TIMEDOUT = (1 << 7), }; +/* + * With each packet command, we allocate a buffer of IDE_PC_BUFFER_SIZE bytes. + * This is used for several packet commands (not for READ/WRITE commands). + */ +#define IDE_PC_BUFFER_SIZE 256 + struct ide_atapi_pc { /* actual packet bytes */ u8 c[12]; @@ -753,7 +759,7 @@ struct ide_atapi_pc { * those are more or less driver-specific and some of them are subject * to change/removal later. */ - u8 pc_buf[256]; + u8 pc_buf[IDE_PC_BUFFER_SIZE]; /* idetape only */ struct idetape_bh *bh; @@ -1113,6 +1119,8 @@ void ide_pktcmd_tf_load(ide_drive_t *, u32, u16, u8); int ide_check_atapi_device(ide_drive_t *, const char *); +void ide_init_pc(struct ide_atapi_pc *); + ide_startstop_t ide_pc_intr(ide_drive_t *drive, struct ide_atapi_pc *pc, ide_handler_t *handler, unsigned int timeout, ide_expiry_t *expiry, void (*update_buffers)(ide_drive_t *, struct ide_atapi_pc *), |