Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / dma / ioat / hw.h
diff --git a/kernel/drivers/dma/ioat/hw.h b/kernel/drivers/dma/ioat/hw.h
new file mode 100644 (file)
index 0000000..a3e731e
--- /dev/null
@@ -0,0 +1,270 @@
+/*
+ * 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.
+ *
+ * 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_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 PCI_DEVICE_ID_INTEL_IOAT_IVB0  0x0e20
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB1  0x0e21
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB2  0x0e22
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB3  0x0e23
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB4  0x0e24
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB5  0x0e25
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB6  0x0e26
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB7  0x0e27
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB8  0x0e2e
+#define PCI_DEVICE_ID_INTEL_IOAT_IVB9  0x0e2f
+
+#define PCI_DEVICE_ID_INTEL_IOAT_HSW0  0x2f20
+#define PCI_DEVICE_ID_INTEL_IOAT_HSW1  0x2f21
+#define PCI_DEVICE_ID_INTEL_IOAT_HSW2  0x2f22
+#define PCI_DEVICE_ID_INTEL_IOAT_HSW3  0x2f23
+#define PCI_DEVICE_ID_INTEL_IOAT_HSW4  0x2f24
+#define PCI_DEVICE_ID_INTEL_IOAT_HSW5  0x2f25
+#define PCI_DEVICE_ID_INTEL_IOAT_HSW6  0x2f26
+#define PCI_DEVICE_ID_INTEL_IOAT_HSW7  0x2f27
+#define PCI_DEVICE_ID_INTEL_IOAT_HSW8  0x2f2e
+#define PCI_DEVICE_ID_INTEL_IOAT_HSW9  0x2f2f
+
+#define PCI_DEVICE_ID_INTEL_IOAT_BWD0  0x0C50
+#define PCI_DEVICE_ID_INTEL_IOAT_BWD1  0x0C51
+#define PCI_DEVICE_ID_INTEL_IOAT_BWD2  0x0C52
+#define PCI_DEVICE_ID_INTEL_IOAT_BWD3  0x0C53
+
+#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE0        0x6f50
+#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE1        0x6f51
+#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE2        0x6f52
+#define PCI_DEVICE_ID_INTEL_IOAT_BDXDE3        0x6f53
+
+#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 */
+#define IOAT_VER_3_2            0x32    /* Version 3.2 */
+#define IOAT_VER_3_3            0x33    /* Version 3.3 */
+
+
+int system_has_dca_enabled(struct pci_dev *pdev);
+
+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;
+                       #define IOAT_OP_COPY 0x00
+                       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;
+};
+
+struct ioat_xor_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 src_cnt:3;
+                       unsigned int bundle:1;
+                       unsigned int dest_dca:1;
+                       unsigned int hint:1;
+                       unsigned int rsvd:13;
+                       #define IOAT_OP_XOR 0x87
+                       #define IOAT_OP_XOR_VAL 0x88
+                       unsigned int op:8;
+               } ctl_f;
+       };
+       uint64_t        src_addr;
+       uint64_t        dst_addr;
+       uint64_t        next;
+       uint64_t        src_addr2;
+       uint64_t        src_addr3;
+       uint64_t        src_addr4;
+       uint64_t        src_addr5;
+};
+
+struct ioat_xor_ext_descriptor {
+       uint64_t        src_addr6;
+       uint64_t        src_addr7;
+       uint64_t        src_addr8;
+       uint64_t        next;
+       uint64_t        rsvd[4];
+};
+
+struct ioat_pq_descriptor {
+       union {
+               uint32_t        size;
+               uint32_t        dwbes;
+               struct {
+                       unsigned int rsvd:25;
+                       unsigned int p_val_err:1;
+                       unsigned int q_val_err:1;
+                       unsigned int rsvd1:4;
+                       unsigned int wbes:1;
+               } dwbes_f;
+       };
+       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 src_cnt:3;
+                       unsigned int bundle:1;
+                       unsigned int dest_dca:1;
+                       unsigned int hint:1;
+                       unsigned int p_disable:1;
+                       unsigned int q_disable:1;
+                       unsigned int rsvd2:2;
+                       unsigned int wb_en:1;
+                       unsigned int prl_en:1;
+                       unsigned int rsvd3:7;
+                       #define IOAT_OP_PQ 0x89
+                       #define IOAT_OP_PQ_VAL 0x8a
+                       #define IOAT_OP_PQ_16S 0xa0
+                       #define IOAT_OP_PQ_VAL_16S 0xa1
+                       unsigned int op:8;
+               } ctl_f;
+       };
+       uint64_t        src_addr;
+       uint64_t        p_addr;
+       uint64_t        next;
+       uint64_t        src_addr2;
+       union {
+               uint64_t        src_addr3;
+               uint64_t        sed_addr;
+       };
+       uint8_t         coef[8];
+       uint64_t        q_addr;
+};
+
+struct ioat_pq_ext_descriptor {
+       uint64_t        src_addr4;
+       uint64_t        src_addr5;
+       uint64_t        src_addr6;
+       uint64_t        next;
+       uint64_t        src_addr7;
+       uint64_t        src_addr8;
+       uint64_t        rsvd[2];
+};
+
+struct ioat_pq_update_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 src_cnt:3;
+                       unsigned int bundle:1;
+                       unsigned int dest_dca:1;
+                       unsigned int hint:1;
+                       unsigned int p_disable:1;
+                       unsigned int q_disable:1;
+                       unsigned int rsvd:3;
+                       unsigned int coef:8;
+                       #define IOAT_OP_PQ_UP 0x8b
+                       unsigned int op:8;
+               } ctl_f;
+       };
+       uint64_t        src_addr;
+       uint64_t        p_addr;
+       uint64_t        next;
+       uint64_t        src_addr2;
+       uint64_t        p_src;
+       uint64_t        q_src;
+       uint64_t        q_addr;
+};
+
+struct ioat_raw_descriptor {
+       uint64_t        field[8];
+};
+
+struct ioat_pq16a_descriptor {
+       uint8_t coef[8];
+       uint64_t src_addr3;
+       uint64_t src_addr4;
+       uint64_t src_addr5;
+       uint64_t src_addr6;
+       uint64_t src_addr7;
+       uint64_t src_addr8;
+       uint64_t src_addr9;
+};
+
+struct ioat_pq16b_descriptor {
+       uint64_t src_addr10;
+       uint64_t src_addr11;
+       uint64_t src_addr12;
+       uint64_t src_addr13;
+       uint64_t src_addr14;
+       uint64_t src_addr15;
+       uint64_t src_addr16;
+       uint64_t rsvd;
+};
+
+union ioat_sed_pq_descriptor {
+       struct ioat_pq16a_descriptor a;
+       struct ioat_pq16b_descriptor b;
+};
+
+#define SED_SIZE       64
+
+struct ioat_sed_raw_descriptor {
+       uint64_t        a[8];
+       uint64_t        b[8];
+       uint64_t        c[8];
+};
+
+#endif