1 files changed, 73 insertions, 0 deletions

diff --git a/drivers/dma/ioat/hw.h b/drivers/dma/ioat/hw.h
new file mode 100644
index 000000000000..7481fb13ce00
--- /dev/null
+++ b/drivers/dma/ioat/hw.h
@@ -0,0 +1,73 @@
+/*
+ * Copyright(c) 2004 - 2009 Intel Corporation. All rights reserved.
+ *
+ * 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.
+ *
+ * The full GNU General Public License is included in this distribution in the
+ * file called COPYING.
+ */
+#ifndef _IOAT_HW_H_
+#define _IOAT_HW_H_
+
+/* PCI Configuration Space Values */
+#define IOAT_PCI_VID            0x8086
+#define IOAT_MMIO_BAR           0
+
+/* CB device ID's */
+#define IOAT_PCI_DID_5000       0x1A38
+#define IOAT_PCI_DID_CNB        0x360B
+#define IOAT_PCI_DID_SCNB       0x65FF
+#define IOAT_PCI_DID_SNB        0x402F
+
+#define IOAT_PCI_RID            0x00
+#define IOAT_PCI_SVID           0x8086
+#define IOAT_PCI_SID            0x8086
+#define IOAT_VER_1_2            0x12    /* Version 1.2 */
+#define IOAT_VER_2_0            0x20    /* Version 2.0 */
+#define IOAT_VER_3_0            0x30    /* Version 3.0 */
+
+struct ioat_dma_descriptor {
+        uint32_t        size;
+        union {
+                uint32_t ctl;
+                struct {
+                        unsigned int int_en:1;
+                        unsigned int src_snoop_dis:1;
+                        unsigned int dest_snoop_dis:1;
+                        unsigned int compl_write:1;
+                        unsigned int fence:1;
+                        unsigned int null:1;
+                        unsigned int src_brk:1;
+                        unsigned int dest_brk:1;
+                        unsigned int bundle:1;
+                        unsigned int dest_dca:1;
+                        unsigned int hint:1;
+                        unsigned int rsvd2:13;
+                        unsigned int op:8;
+                } ctl_f;
+        };
+        uint64_t        src_addr;
+        uint64_t        dst_addr;
+        uint64_t        next;
+        uint64_t        rsv1;
+        uint64_t        rsv2;
+        /* store some driver data in an unused portion of the descriptor */
+        union {
+                uint64_t        user1;
+                uint64_t        tx_cnt;
+        };
+        uint64_t        user2;
+};
+#endif