Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / block / rsxx / rsxx_cfg.h

diff --git a/kernel/drivers/block/rsxx/rsxx_cfg.h b/kernel/drivers/block/rsxx/rsxx_cfg.h
new file mode 100644 (file)
index 0000000..f384c94
--- /dev/null
+++ b/kernel/drivers/block/rsxx/rsxx_cfg.h
@@ -0,0 +1,72 @@
+/*
+* Filename: rsXX_cfg.h
+*
+*
+* Authors: Joshua Morris <josh.h.morris@us.ibm.com>
+*      Philip Kelleher <pjk1939@linux.vnet.ibm.com>
+*
+* (C) Copyright 2013 IBM Corporation
+*
+* This program is free software; you can redistribute it and/or
+* modify it under the terms of the GNU General Public License as
+* published by the Free Software Foundation; either version 2 of the
+* License, or (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful, but
+* WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+* General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program; if not, write to the Free Software Foundation,
+* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#ifndef __RSXX_CFG_H__
+#define __RSXX_CFG_H__
+
+/* NOTE: Config values will be saved in network byte order (i.e. Big endian) */
+#include <linux/types.h>
+
+/*
+ * The card config version must match the driver's expected version. If it does
+ * not, the DMA interfaces will not be attached and the user will need to
+ * initialize/upgrade the card configuration using the card config utility.
+ */
+#define RSXX_CFG_VERSION       4
+
+struct card_cfg_hdr {
+       __u32   version;
+       __u32   crc;
+};
+
+struct card_cfg_data {
+       __u32   block_size;
+       __u32   stripe_size;
+       __u32   vendor_id;
+       __u32   cache_order;
+       struct {
+               __u32   mode;   /* Disabled, manual, auto-tune... */
+               __u32   count;  /* Number of intr to coalesce     */
+               __u32   latency;/* Max wait time (in ns)          */
+       } intr_coal;
+};
+
+struct rsxx_card_cfg {
+       struct card_cfg_hdr     hdr;
+       struct card_cfg_data    data;
+};
+
+/* Vendor ID Values */
+#define RSXX_VENDOR_ID_IBM             0
+#define RSXX_VENDOR_ID_DSI             1
+#define RSXX_VENDOR_COUNT              2
+
+/* Interrupt Coalescing Values */
+#define RSXX_INTR_COAL_DISABLED           0
+#define RSXX_INTR_COAL_EXPLICIT           1
+#define RSXX_INTR_COAL_AUTO_TUNE          2
+
+
+#endif /* __RSXX_CFG_H__ */
+