diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_base.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_base.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index ec3f57732e9..1d2374b5a0a 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -77,6 +77,17 @@ static int msix_disable = -1; 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) + * + * 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)"); + int mpt2sas_fwfault_debug; MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault " "and halt firmware - (default=0)"); @@ -3588,6 +3599,8 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) goto out_free_resources; mpt2sas_base_start_watchdog(ioc); + if (diag_buffer_enable != 0) + mpt2sas_enable_diag_buffer(ioc, diag_buffer_enable); return 0; out_free_resources: |