Lines Matching +full:emc +full:- +full:mode +full:- +full:4
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
6 * EMC Symmetrix ioctl Copyright EMC Corporation, 2008
7 * Author.........: Nigel Hislop <hislop_nigel@emc.com>
11 * to userspace by the DASDAPIVER-ioctl
40 char type[4]; /* from discipline.name, 'none' for unknown */
110 char type[4]; /* from discipline.name, 'none' for unknown */
121 * Read Subsystem Data - Performance Statistics
126 unsigned char data_format:4;
190 * 4/12: invalidate track
194 #define DASD_FMT_INT_INVAL 4 /* invalidate tracks */
222 /* Blocksize/data-length of a record was wrong */
226 #define DASD_FMT_ERR_RECORD_ID 4
227 /* If key-length was != 0 */
236 unsigned char operation:3; /* cache operation mode */
237 unsigned char reserved:5; /* cache operation mode */
251 * Perform EMC Symmetrix I/O
268 __u8 mode:1; member
283 * Here ist how the ioctl-nr should be used:
284 * 0 - 31 DASD driver itself
285 * 32 - 239 still open
286 * 240 - 255 reserved for EMC
296 #define BIODASDSLCK _IO(DASD_IOCTL_LETTER,4) /* steal lock */
318 #define BIODASDPSRD _IOR(DASD_IOCTL_LETTER,4,dasd_rssd_perf_stats_t)