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Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_base.c')
-rw-r--r--drivers/scsi/mpt2sas/mpt2sas_base.c15
1 files changed, 11 insertions, 4 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c
index 1d2374b5a0a..935cfc769cb 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_base.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_base.c
@@ -78,15 +78,16 @@ module_param(msix_disable, int, 0);
MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)");
/* diag_buffer_enable is bitwise
- * bit 0 set = MPI2_DIAG_BUF_TYPE_TRACE(1)
- * bit 1 set = MPI2_DIAG_BUF_TYPE_SNAPSHOT(2)
+ * bit 0 set = TRACE
+ * bit 1 set = SNAPSHOT
+ * bit 2 set = EXTENDED
*
* Either bit can be set, or both
*/
static int diag_buffer_enable;
module_param(diag_buffer_enable, int, 0);
-MODULE_PARM_DESC(diag_buffer_enable, " enable diag buffer at driver load "
- "time (TRACE=1/SNAP=2/default=0)");
+MODULE_PARM_DESC(diag_buffer_enable, " post diag buffers "
+ "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)");
int mpt2sas_fwfault_debug;
MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault "
@@ -1765,6 +1766,12 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc)
}
if (ioc->facts.IOCCapabilities &
+ MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) {
+ printk(KERN_INFO "%sDiag Extended Buffer", i ? "," : "");
+ i++;
+ }
+
+ if (ioc->facts.IOCCapabilities &
MPI2_IOCFACTS_CAPABILITY_TASK_SET_FULL_HANDLING) {
printk("%sTask Set Full", i ? "," : "");
i++;