[SCSI] mpt2sas: Add Extended Type for Diagnostic Buffer support
Added tests for registry entries of EXBuffSize, EXImmed, and EXType to
support the new Extended diag buffer type. Modified code where necessary to
handle the new ExtendedType field in the F/W diagnostic Post and Release
messages.
Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com>
Signed-off-by: Eric Moore <Eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
index 99a332d..8dfc5f6 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c
@@ -1230,7 +1230,7 @@
/**
* _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 @@
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 @@
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_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.
*
*/