From: Long Li <lon...@microsoft.com>

Software client needs to register with the RDMA management interface on
the SoC to access more features, including querying device capabilities
and RC queue pair.

Signed-off-by: Long Li <lon...@microsoft.com>
---
 drivers/infiniband/hw/mana/device.c           | 24 +++++++++++++++----
 drivers/infiniband/hw/mana/main.c             |  4 ++--
 drivers/infiniband/hw/mana/qp.c               | 15 ++++++------
 .../net/ethernet/microsoft/mana/gdma_main.c   |  5 ++++
 include/net/mana/gdma.h                       |  4 ++++
 5 files changed, 38 insertions(+), 14 deletions(-)

diff --git a/drivers/infiniband/hw/mana/device.c 
b/drivers/infiniband/hw/mana/device.c
index d4541b8707e4..fe025e13a45c 100644
--- a/drivers/infiniband/hw/mana/device.c
+++ b/drivers/infiniband/hw/mana/device.c
@@ -68,7 +68,6 @@ static int mana_ib_probe(struct auxiliary_device *adev,
        ibdev_dbg(&dev->ib_dev, "mdev=%p id=%d num_ports=%d\n", mdev,
                  mdev->dev_id.as_uint32, dev->ib_dev.phys_port_cnt);
 
-       dev->gdma_dev = mdev;
        dev->ib_dev.node_type = RDMA_NODE_IB_CA;
 
        /*
@@ -78,16 +77,28 @@ static int mana_ib_probe(struct auxiliary_device *adev,
        dev->ib_dev.num_comp_vectors = 1;
        dev->ib_dev.dev.parent = mdev->gdma_context->dev;
 
-       ret = ib_register_device(&dev->ib_dev, "mana_%d",
-                                mdev->gdma_context->dev);
+       ret = mana_gd_register_device(&mdev->gdma_context->mana_ib);
        if (ret) {
-               ib_dealloc_device(&dev->ib_dev);
-               return ret;
+               ibdev_err(&dev->ib_dev, "Failed to register device, ret %d",
+                         ret);
+               goto free_ib_device;
        }
+       dev->gdma_dev = &mdev->gdma_context->mana_ib;
+
+       ret = ib_register_device(&dev->ib_dev, "mana_%d",
+                                mdev->gdma_context->dev);
+       if (ret)
+               goto deregister_device;
 
        dev_set_drvdata(&adev->dev, dev);
 
        return 0;
+
+deregister_device:
+       mana_gd_deregister_device(dev->gdma_dev);
+free_ib_device:
+       ib_dealloc_device(&dev->ib_dev);
+       return ret;
 }
 
 static void mana_ib_remove(struct auxiliary_device *adev)
@@ -95,6 +106,9 @@ static void mana_ib_remove(struct auxiliary_device *adev)
        struct mana_ib_dev *dev = dev_get_drvdata(&adev->dev);
 
        ib_unregister_device(&dev->ib_dev);
+
+       mana_gd_deregister_device(dev->gdma_dev);
+
        ib_dealloc_device(&dev->ib_dev);
 }
 
diff --git a/drivers/infiniband/hw/mana/main.c 
b/drivers/infiniband/hw/mana/main.c
index 7be4c3adb4e2..53730306ed9b 100644
--- a/drivers/infiniband/hw/mana/main.c
+++ b/drivers/infiniband/hw/mana/main.c
@@ -8,7 +8,7 @@
 void mana_ib_uncfg_vport(struct mana_ib_dev *dev, struct mana_ib_pd *pd,
                         u32 port)
 {
-       struct gdma_dev *gd = dev->gdma_dev;
+       struct gdma_dev *gd = &dev->gdma_dev->gdma_context->mana;
        struct mana_port_context *mpc;
        struct net_device *ndev;
        struct mana_context *mc;
@@ -31,7 +31,7 @@ void mana_ib_uncfg_vport(struct mana_ib_dev *dev, struct 
mana_ib_pd *pd,
 int mana_ib_cfg_vport(struct mana_ib_dev *dev, u32 port, struct mana_ib_pd *pd,
                      u32 doorbell_id)
 {
-       struct gdma_dev *mdev = dev->gdma_dev;
+       struct gdma_dev *mdev = &dev->gdma_dev->gdma_context->mana;
        struct mana_port_context *mpc;
        struct mana_context *mc;
        struct net_device *ndev;
diff --git a/drivers/infiniband/hw/mana/qp.c b/drivers/infiniband/hw/mana/qp.c
index 4b3b5b274e84..ae45d28eef5e 100644
--- a/drivers/infiniband/hw/mana/qp.c
+++ b/drivers/infiniband/hw/mana/qp.c
@@ -21,8 +21,8 @@ static int mana_ib_cfg_vport_steering(struct mana_ib_dev *dev,
        u32 req_buf_size;
        int i, err;
 
-       mdev = dev->gdma_dev;
-       gc = mdev->gdma_context;
+       gc = dev->gdma_dev->gdma_context;
+       mdev = &gc->mana;
 
        req_buf_size =
                sizeof(*req) + sizeof(mana_handle_t) * MANA_INDIRECT_TABLE_SIZE;
@@ -102,20 +102,21 @@ static int mana_ib_create_qp_rss(struct ib_qp *ibqp, 
struct ib_pd *pd,
        struct ib_rwq_ind_table *ind_tbl = attr->rwq_ind_tbl;
        struct mana_ib_create_qp_rss_resp resp = {};
        struct mana_ib_create_qp_rss ucmd = {};
-       struct gdma_dev *gd = mdev->gdma_dev;
        mana_handle_t *mana_ind_table;
        struct mana_port_context *mpc;
+       unsigned int ind_tbl_size;
        struct mana_context *mc;
        struct net_device *ndev;
        struct mana_ib_cq *cq;
        struct mana_ib_wq *wq;
-       unsigned int ind_tbl_size;
+       struct gdma_dev *gd;
        struct ib_cq *ibcq;
        struct ib_wq *ibwq;
        int i = 0;
        u32 port;
        int ret;
 
+       gd = &mdev->gdma_dev->gdma_context->mana;
        mc = gd->driver_data;
 
        if (!udata || udata->inlen < sizeof(ucmd))
@@ -266,8 +267,8 @@ static int mana_ib_create_qp_raw(struct ib_qp *ibqp, struct 
ib_pd *ibpd,
        struct mana_ib_ucontext *mana_ucontext =
                rdma_udata_to_drv_context(udata, struct mana_ib_ucontext,
                                          ibucontext);
+       struct gdma_dev *gd = &mdev->gdma_dev->gdma_context->mana;
        struct mana_ib_create_qp_resp resp = {};
-       struct gdma_dev *gd = mdev->gdma_dev;
        struct mana_ib_create_qp ucmd = {};
        struct mana_obj_spec wq_spec = {};
        struct mana_obj_spec cq_spec = {};
@@ -437,7 +438,7 @@ static int mana_ib_destroy_qp_rss(struct mana_ib_qp *qp,
 {
        struct mana_ib_dev *mdev =
                container_of(qp->ibqp.device, struct mana_ib_dev, ib_dev);
-       struct gdma_dev *gd = mdev->gdma_dev;
+       struct gdma_dev *gd = &mdev->gdma_dev->gdma_context->mana;
        struct mana_port_context *mpc;
        struct mana_context *mc;
        struct net_device *ndev;
@@ -464,7 +465,7 @@ static int mana_ib_destroy_qp_raw(struct mana_ib_qp *qp, 
struct ib_udata *udata)
 {
        struct mana_ib_dev *mdev =
                container_of(qp->ibqp.device, struct mana_ib_dev, ib_dev);
-       struct gdma_dev *gd = mdev->gdma_dev;
+       struct gdma_dev *gd = &mdev->gdma_dev->gdma_context->mana;
        struct ib_pd *ibpd = qp->ibqp.pd;
        struct mana_port_context *mpc;
        struct mana_context *mc;
diff --git a/drivers/net/ethernet/microsoft/mana/gdma_main.c 
b/drivers/net/ethernet/microsoft/mana/gdma_main.c
index 6367de0c2c2e..e6e71e3c357c 100644
--- a/drivers/net/ethernet/microsoft/mana/gdma_main.c
+++ b/drivers/net/ethernet/microsoft/mana/gdma_main.c
@@ -158,6 +158,9 @@ static int mana_gd_detect_devices(struct pci_dev *pdev)
                if (dev_type == GDMA_DEVICE_MANA) {
                        gc->mana.gdma_context = gc;
                        gc->mana.dev_id = dev;
+               } else if (dev_type == GDMA_DEVICE_MANA_IB) {
+                       gc->mana_ib.dev_id = dev;
+                       gc->mana_ib.gdma_context = gc;
                }
        }
 
@@ -971,6 +974,7 @@ int mana_gd_register_device(struct gdma_dev *gd)
 
        return 0;
 }
+EXPORT_SYMBOL_NS(mana_gd_register_device, NET_MANA);
 
 int mana_gd_deregister_device(struct gdma_dev *gd)
 {
@@ -1001,6 +1005,7 @@ int mana_gd_deregister_device(struct gdma_dev *gd)
 
        return err;
 }
+EXPORT_SYMBOL_NS(mana_gd_deregister_device, NET_MANA);
 
 u32 mana_gd_wq_avail_space(struct gdma_queue *wq)
 {
diff --git a/include/net/mana/gdma.h b/include/net/mana/gdma.h
index 88b6ef7ce1a6..000f0d7670f7 100644
--- a/include/net/mana/gdma.h
+++ b/include/net/mana/gdma.h
@@ -66,6 +66,7 @@ enum {
        GDMA_DEVICE_NONE        = 0,
        GDMA_DEVICE_HWC         = 1,
        GDMA_DEVICE_MANA        = 2,
+       GDMA_DEVICE_MANA_IB     = 3,
 };
 
 struct gdma_resource {
@@ -387,6 +388,9 @@ struct gdma_context {
 
        /* Azure network adapter */
        struct gdma_dev         mana;
+
+       /* Azure RDMA adapter */
+       struct gdma_dev         mana_ib;
 };
 
 #define MAX_NUM_GDMA_DEVICES   4
-- 
2.25.1


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