diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_ctl.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_ctl.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c index 99a332d76f5..8dfc5f6a39b 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c @@ -1230,7 +1230,7 @@ _ctl_btdh_mapping(void __user *arg) /** * _ctl_diag_capability - return diag buffer capability * @ioc: per adapter object - * @buffer_type: specifies either TRACE or SNAPSHOT + * @buffer_type: specifies either TRACE, SNAPSHOT, or EXTENDED * * returns 1 when diag buffer support is enabled in firmware */ @@ -1250,6 +1250,10 @@ _ctl_diag_capability(struct MPT2SAS_ADAPTER *ioc, u8 buffer_type) MPI2_IOCFACTS_CAPABILITY_SNAPSHOT_BUFFER) rc = 1; break; + case MPI2_DIAG_BUF_TYPE_EXTENDED: + if (ioc->facts.IOCCapabilities & + MPI2_IOCFACTS_CAPABILITY_EXTENDED_BUFFER) + rc = 1; } return rc; @@ -1460,6 +1464,16 @@ mpt2sas_enable_diag_buffer(struct MPT2SAS_ADAPTER *ioc, u8 bits_to_register) diag_register.unique_id = 0x7075901; _ctl_diag_register_2(ioc, &diag_register); } + + if (bits_to_register & 4) { + printk(MPT2SAS_INFO_FMT "registering extended buffer support\n", + ioc->name); + diag_register.buffer_type = MPI2_DIAG_BUF_TYPE_EXTENDED; + /* register for 2MB buffers */ + diag_register.requested_buffer_size = 2 * (1024 * 1024); + diag_register.unique_id = 0x7075901; + _ctl_diag_register_2(ioc, &diag_register); + } } /** @@ -1652,7 +1666,7 @@ _ctl_diag_query(void __user *arg) /** * _ctl_send_release - Diag Release Message * @ioc: per adapter object - * @buffer_type - specifies either TRACE or SNAPSHOT + * @buffer_type - specifies either TRACE, SNAPSHOT, or EXTENDED * @issue_reset - specifies whether host reset is required. * */ |