This patch added the operation for cmd, and added some functions
for initializing eq table and selecting cmd mode.

Signed-off-by: Wei Hu <xavier.hu...@huawei.com>
Signed-off-by: Nenglong Zhao <zhaonengl...@hisilicon.com>
Signed-off-by: Lijun Ou <ouli...@huawei.com>
---
PATCH v9:
This fixes the comments given by Leon Romanovsky over the PATCH v8:
  Link: https://lkml.org/lkml/2016/6/9/65

PATCH v8/v7/v6:
- No change over the PATCH v5

PATCH v5:
- The initial patch which was redesigned based on the second patch
  in PATCH v4
---
---
 drivers/infiniband/hw/hns/hns_roce_common.h | 49 +++++++++++++++++++
 drivers/infiniband/hw/hns/hns_roce_device.h | 55 ++++++++++++++++++++-
 drivers/infiniband/hw/hns/hns_roce_hw_v1.c  | 75 +++++++++++++++++++++++++++++
 drivers/infiniband/hw/hns/hns_roce_hw_v1.h  | 36 ++++++++++++++
 drivers/infiniband/hw/hns/hns_roce_main.c   |  7 +++
 5 files changed, 221 insertions(+), 1 deletion(-)
 create mode 100644 drivers/infiniband/hw/hns/hns_roce_common.h

diff --git a/drivers/infiniband/hw/hns/hns_roce_common.h 
b/drivers/infiniband/hw/hns/hns_roce_common.h
new file mode 100644
index 0000000..4cc4761
--- /dev/null
+++ b/drivers/infiniband/hw/hns/hns_roce_common.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (c) 2016 Hisilicon Limited.
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the
+ * OpenIB.org BSD license below:
+ *
+ *     Redistribution and use in source and binary forms, with or
+ *     without modification, are permitted provided that the following
+ *     conditions are met:
+ *
+ *      - Redistributions of source code must retain the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer.
+ *
+ *      - Redistributions in binary form must reproduce the above
+ *        copyright notice, this list of conditions and the following
+ *        disclaimer in the documentation and/or other materials
+ *        provided with the distribution.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
+ * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
+ * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+
+#ifndef _HNS_ROCE_COMMON_H
+#define _HNS_ROCE_COMMON_H
+
+#define roce_read(dev, reg)            readl((dev)->reg_base + (reg))
+
+/*************ROCEE_REG DEFINITION****************/
+#define ROCEE_VENDOR_ID_REG                    0x0
+#define ROCEE_VENDOR_PART_ID_REG               0x4
+
+#define ROCEE_HW_VERSION_REG                   0x8
+
+#define ROCEE_SYS_IMAGE_GUID_L_REG             0xC
+#define ROCEE_SYS_IMAGE_GUID_H_REG             0x10
+
+#define ROCEE_ACK_DELAY_REG                    0x14
+
+#endif /* _HNS_ROCE_COMMON_H */
diff --git a/drivers/infiniband/hw/hns/hns_roce_device.h 
b/drivers/infiniband/hw/hns/hns_roce_device.h
index b857c76..e01ea34 100644
--- a/drivers/infiniband/hw/hns/hns_roce_device.h
+++ b/drivers/infiniband/hw/hns/hns_roce_device.h
@@ -45,6 +45,12 @@
 #define DRV_NAME "hns_roce"
 
 #define HNS_ROCE_MAX_IRQ_NUM                   34
+
+#define HNS_ROCE_COMP_VEC_NUM                  32
+
+#define HNS_ROCE_AEQE_VEC_NUM                  1
+#define HNS_ROCE_AEQE_OF_VEC_NUM               1
+
 #define HNS_ROCE_MAX_PORTS                     6
 
 struct hns_roce_ib_iboe {
@@ -53,11 +59,52 @@ struct hns_roce_ib_iboe {
 };
 
 struct hns_roce_caps {
-       u8                      num_ports;
+       u64             fw_ver;
+       u8              num_ports;
+       int             gid_table_len[HNS_ROCE_MAX_PORTS];
+       int             pkey_table_len[HNS_ROCE_MAX_PORTS];
+       int             local_ca_ack_delay;
+       int             num_uars;
+       u32             phy_num_uars;
+       u32             max_sq_sg;      /* 2 */
+       u32             max_sq_inline;  /* 32 */
+       u32             max_rq_sg;      /* 2 */
+       int             num_qps;        /* 256k */
+       u32             max_wqes;       /* 16k */
+       u32             max_sq_desc_sz; /* 64 */
+       u32             max_rq_desc_sz; /* 64 */
+       int             max_qp_init_rdma;
+       int             max_qp_dest_rdma;
+       int             sqp_start;
+       int             num_cqs;
+       int             max_cqes;
+       int             reserved_cqs;
+       int             num_aeq_vectors;        /* 1 */
+       int             num_comp_vectors;       /* 32 ceq */
+       int             num_other_vectors;
+       int             num_mtpts;
+       u32             num_mtt_segs;
+       int             reserved_mtts;
+       int             reserved_mrws;
+       int             reserved_uars;
+       int             num_pds;
+       int             reserved_pds;
+       u32             mtt_entry_sz;
+       u32             cq_entry_sz;
+       u32             page_size_cap;
+       u32             reserved_lkey;
+       int             mtpt_entry_sz;
+       int             qpc_entry_sz;
+       int             irrl_entry_sz;
+       int             cqc_entry_sz;
+       int             aeqe_depth;
+       int             ceqe_depth[HNS_ROCE_COMP_VEC_NUM];
+       enum ib_mtu     max_mtu;
 };
 
 struct hns_roce_hw {
        int (*reset)(struct hns_roce_dev *hr_dev, bool enable);
+       void (*hw_profile)(struct hns_roce_dev *hr_dev);
 };
 
 struct hns_roce_dev {
@@ -70,6 +117,12 @@ struct hns_roce_dev {
        u8 __iomem              *reg_base;
        struct hns_roce_caps    caps;
 
+       u64                     fw_ver;
+       u64                     sys_image_guid;
+       u32                     vendor_id;
+       u32                     vendor_part_id;
+       u32                     hw_rev;
+
        int                     cmd_mod;
        int                     loop_idc;
        struct hns_roce_hw      *hw;
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c 
b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
index 198be3b..45b4662 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.c
@@ -35,6 +35,7 @@
 #include <linux/of_address.h>
 #include <linux/of_platform.h>
 #include <linux/platform_device.h>
+#include "hns_roce_common.h"
 #include "hns_roce_device.h"
 #include "hns_roce_hw_v1.h"
 
@@ -67,6 +68,80 @@ int hns_roce_v1_reset(struct hns_roce_dev *hr_dev, bool 
enable)
                return ret;
 }
 
+void hns_roce_v1_profile(struct hns_roce_dev *hr_dev)
+{
+       int i = 0;
+       struct hns_roce_caps *caps = &hr_dev->caps;
+
+       hr_dev->vendor_id = le32_to_cpu(roce_read(hr_dev, ROCEE_VENDOR_ID_REG));
+       hr_dev->vendor_part_id = le32_to_cpu(roce_read(hr_dev,
+                                            ROCEE_VENDOR_PART_ID_REG));
+       hr_dev->hw_rev = le32_to_cpu(roce_read(hr_dev, ROCEE_HW_VERSION_REG));
+       hr_dev->fw_ver = 0;
+
+       hr_dev->sys_image_guid = le32_to_cpu(roce_read(hr_dev,
+                                            ROCEE_SYS_IMAGE_GUID_L_REG)) |
+                               ((u64)le32_to_cpu(roce_read(hr_dev,
+                                           ROCEE_SYS_IMAGE_GUID_H_REG)) << 32);
+
+       caps->fw_ver            = hr_dev->hw_rev;
+       caps->num_qps           = HNS_ROCE_V1_MAX_QP_NUM;
+       caps->max_wqes          = HNS_ROCE_V1_MAX_WQE_NUM;
+       caps->num_cqs           = HNS_ROCE_V1_MAX_CQ_NUM;
+       caps->max_cqes          = HNS_ROCE_V1_MAX_CQE_NUM;
+       caps->max_sq_sg         = HNS_ROCE_V1_SG_NUM;
+       caps->max_rq_sg         = HNS_ROCE_V1_SG_NUM;
+       caps->max_sq_inline     = HNS_ROCE_V1_INLINE_SIZE;
+       caps->num_uars          = HNS_ROCE_V1_UAR_NUM;
+       caps->phy_num_uars      = HNS_ROCE_V1_PHY_UAR_NUM;
+       caps->num_aeq_vectors   = HNS_ROCE_AEQE_VEC_NUM;
+       caps->num_comp_vectors  = HNS_ROCE_COMP_VEC_NUM;
+       caps->num_other_vectors = HNS_ROCE_AEQE_OF_VEC_NUM;
+       caps->num_mtpts         = HNS_ROCE_V1_MAX_MTPT_NUM;
+       caps->num_mtt_segs      = HNS_ROCE_V1_MAX_MTT_SEGS;
+       caps->num_pds           = HNS_ROCE_V1_MAX_PD_NUM;
+       caps->max_qp_init_rdma  = HNS_ROCE_V1_MAX_QP_INIT_RDMA;
+       caps->max_qp_dest_rdma  = HNS_ROCE_V1_MAX_QP_DEST_RDMA;
+       caps->max_sq_desc_sz    = HNS_ROCE_V1_MAX_SQ_DESC_SZ;
+       caps->max_rq_desc_sz    = HNS_ROCE_V1_MAX_RQ_DESC_SZ;
+       caps->qpc_entry_sz      = HNS_ROCE_V1_QPC_ENTRY_SIZE;
+       caps->irrl_entry_sz     = HNS_ROCE_V1_IRRL_ENTRY_SIZE;
+       caps->cqc_entry_sz      = HNS_ROCE_V1_CQC_ENTRY_SIZE;
+       caps->mtpt_entry_sz     = HNS_ROCE_V1_MTPT_ENTRY_SIZE;
+       caps->mtt_entry_sz      = HNS_ROCE_V1_MTT_ENTRY_SIZE;
+       caps->cq_entry_sz       = HNS_ROCE_V1_CQE_ENTRY_SIZE;
+       caps->page_size_cap     = HNS_ROCE_V1_PAGE_SIZE_SUPPORT;
+       caps->sqp_start         = 0;
+       caps->reserved_lkey     = 0;
+       caps->reserved_pds      = 0;
+       caps->reserved_mrws     = 1;
+       caps->reserved_mtts     = 0;
+       caps->reserved_uars     = 0;
+       caps->reserved_cqs      = 0;
+
+       for (i = 0; i < caps->num_ports; i++)
+               caps->pkey_table_len[i] = 1;
+
+       for (i = 0; i < caps->num_ports; i++) {
+               /* Six ports shared 16 GID in v1 engine */
+               if (i >= (HNS_ROCE_V1_GID_NUM % caps->num_ports))
+                       caps->gid_table_len[i] = HNS_ROCE_V1_GID_NUM /
+                                                caps->num_ports;
+               else
+                       caps->gid_table_len[i] = HNS_ROCE_V1_GID_NUM /
+                                                caps->num_ports + 1;
+       }
+
+       for (i = 0; i < caps->num_comp_vectors; i++)
+               caps->ceqe_depth[i] = HNS_ROCE_V1_NUM_COMP_EQE;
+
+       caps->aeqe_depth = HNS_ROCE_V1_NUM_ASYNC_EQE;
+       caps->local_ca_ack_delay = le32_to_cpu(roce_read(hr_dev,
+                                                        ROCEE_ACK_DELAY_REG));
+       caps->max_mtu = IB_MTU_2048;
+}
+
 struct hns_roce_hw hns_roce_hw_v1 = {
        .reset = hns_roce_v1_reset,
+       .hw_profile = hns_roce_v1_profile,
 };
diff --git a/drivers/infiniband/hw/hns/hns_roce_hw_v1.h 
b/drivers/infiniband/hw/hns/hns_roce_hw_v1.h
index a8c0c1d..31a9a6d 100644
--- a/drivers/infiniband/hw/hns/hns_roce_hw_v1.h
+++ b/drivers/infiniband/hw/hns/hns_roce_hw_v1.h
@@ -33,6 +33,42 @@
 #ifndef _HNS_ROCE_HW_V1_H
 #define _HNS_ROCE_HW_V1_H
 
+#define HNS_ROCE_V1_MAX_PD_NUM                         0x8000
+#define HNS_ROCE_V1_MAX_CQ_NUM                         0x10000
+#define HNS_ROCE_V1_MAX_CQE_NUM                                0x8000
+
+#define HNS_ROCE_V1_MAX_QP_NUM                         0x40000
+#define HNS_ROCE_V1_MAX_WQE_NUM                                0x4000
+
+#define HNS_ROCE_V1_MAX_MTPT_NUM                       0x80000
+
+#define HNS_ROCE_V1_MAX_MTT_SEGS                       0x100000
+
+#define HNS_ROCE_V1_MAX_QP_INIT_RDMA                   128
+#define HNS_ROCE_V1_MAX_QP_DEST_RDMA                   128
+
+#define HNS_ROCE_V1_MAX_SQ_DESC_SZ                     64
+#define HNS_ROCE_V1_MAX_RQ_DESC_SZ                     64
+#define HNS_ROCE_V1_SG_NUM                             2
+#define HNS_ROCE_V1_INLINE_SIZE                                32
+
+#define HNS_ROCE_V1_UAR_NUM                            256
+#define HNS_ROCE_V1_PHY_UAR_NUM                                8
+
+#define HNS_ROCE_V1_GID_NUM                            16
+
+#define HNS_ROCE_V1_NUM_COMP_EQE                       0x8000
+#define HNS_ROCE_V1_NUM_ASYNC_EQE                      0x400
+
+#define HNS_ROCE_V1_QPC_ENTRY_SIZE                     256
+#define HNS_ROCE_V1_IRRL_ENTRY_SIZE                    8
+#define HNS_ROCE_V1_CQC_ENTRY_SIZE                     64
+#define HNS_ROCE_V1_MTPT_ENTRY_SIZE                    64
+#define HNS_ROCE_V1_MTT_ENTRY_SIZE                     64
+
+#define HNS_ROCE_V1_CQE_ENTRY_SIZE                     32
+#define HNS_ROCE_V1_PAGE_SIZE_SUPPORT                  0xFFFFF000
+
 #define SLEEP_TIME_INTERVAL                            20
 
 extern int hns_dsaf_roce_reset(struct fwnode_handle *dsaf_fwnode, bool enable);
diff --git a/drivers/infiniband/hw/hns/hns_roce_main.c 
b/drivers/infiniband/hw/hns/hns_roce_main.c
index d5ccce2..b487b57 100644
--- a/drivers/infiniband/hw/hns/hns_roce_main.c
+++ b/drivers/infiniband/hw/hns/hns_roce_main.c
@@ -125,6 +125,11 @@ static int hns_roce_engine_reset(struct hns_roce_dev 
*hr_dev, bool enable)
        return hr_dev->hw->reset(hr_dev, enable);
 }
 
+static void hns_roce_profile_init(struct hns_roce_dev *hr_dev)
+{
+       hr_dev->hw->hw_profile(hr_dev);
+}
+
 /**
 * hns_roce_probe - RoCE driver entrance
 * @pdev: pointer to platform device
@@ -169,6 +174,8 @@ static int hns_roce_probe(struct platform_device *pdev)
                goto error_failed_get_cfg;
        }
 
+       hns_roce_profile_init(hr_dev);
+
 error_failed_get_cfg:
        ib_dealloc_device(&hr_dev->ib_dev);
 
-- 
1.9.1

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