aboutsummaryrefslogtreecommitdiff
path: root/arch/s390/include/asm/dasd.h
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-10-12 12:49:27 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-12 12:49:27 +0200
commit1389ac4b976abdc0555280dfc1aa2c3abcc19641 (patch)
tree1ec51aa0b1e33201f6f4f3bebc657f9ec65f8539 /arch/s390/include/asm/dasd.h
parent69e13ad56f9e2cd81c4f8bfd6267211c10c14c08 (diff)
parentfd048088306656824958e7783ffcee27e241b361 (diff)
Merge branch 'linus' into x86/signal
Conflicts: arch/x86/kernel/signal_64.c
Diffstat (limited to 'arch/s390/include/asm/dasd.h')
-rw-r--r--arch/s390/include/asm/dasd.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/s390/include/asm/dasd.h b/arch/s390/include/asm/dasd.h
index 3f002e13d02..55b2b80cdf6 100644
--- a/arch/s390/include/asm/dasd.h
+++ b/arch/s390/include/asm/dasd.h
@@ -3,6 +3,8 @@
* Author(s)......: Holger Smolinski <Holger.Smolinski@de.ibm.com>
* Bugreports.to..: <Linux390@de.ibm.com>
* (C) IBM Corporation, IBM Deutschland Entwicklung GmbH, 1999,2000
+ * EMC Symmetrix ioctl Copyright EMC Corporation, 2008
+ * Author.........: Nigel Hislop <hislop_nigel@emc.com>
*
* This file is the interface of the DASD device driver, which is exported to user space
* any future changes wrt the API will result in a change of the APIVERSION reported
@@ -202,6 +204,16 @@ typedef struct attrib_data_t {
#define DASD_SEQ_PRESTAGE 0x4
#define DASD_REC_ACCESS 0x5
+/*
+ * Perform EMC Symmetrix I/O
+ */
+typedef struct dasd_symmio_parms {
+ unsigned char reserved[8]; /* compat with older releases */
+ unsigned long long psf_data; /* char * cast to u64 */
+ unsigned long long rssd_result; /* char * cast to u64 */
+ int psf_data_len;
+ int rssd_result_len;
+} __attribute__ ((packed)) dasd_symmio_parms_t;
/********************************************************************************
* SECTION: Definition of IOCTLs
@@ -247,6 +259,7 @@ typedef struct attrib_data_t {
/* Set Attributes (cache operations) */
#define BIODASDSATTR _IOW(DASD_IOCTL_LETTER,2,attrib_data_t)
+#define BIODASDSYMMIO _IOWR(DASD_IOCTL_LETTER, 240, dasd_symmio_parms_t)
#endif /* DASD_H */