raw/ifpga: support lightweight FPGA image

if fpga image support lightweight feature, set afu uuid to all 0, ipn3ke
representor will not be probed.

Signed-off-by: Andy Pei <andy.pei@intel.com>

diff --git a/drivers/raw/ifpga/ifpga_rawdev.c b/drivers/raw/ifpga/ifpga_rawdev.c
index 73f0f8c..2865627 100644 (file)
--- a/drivers/raw/ifpga/ifpga_rawdev.c
+++ b/drivers/raw/ifpga/ifpga_rawdev.c
@@ -836,6 +836,8 @@ ifpga_rawdev_pr(struct rte_rawdev *dev,
        rte_rawdev_obj_t pr_conf)
 {
        struct opae_adapter *adapter;
+       struct opae_manager *mgr;
+       struct opae_board_info *info;
        struct rte_afu_pr_conf *afu_pr_conf;
        int ret;
        struct uuid uuid;
@@ -862,22 +864,40 @@ ifpga_rawdev_pr(struct rte_rawdev *dev,
                }
        }
 
-       acc = opae_adapter_get_acc(adapter, afu_pr_conf->afu_id.port);
-       if (!acc)
-               return -ENODEV;
+       mgr = opae_adapter_get_mgr(adapter);
+       if (!mgr) {
+               IFPGA_RAWDEV_PMD_ERR("opae_manager of opae_adapter is NULL");
+               return -1;
+       }
 
-       ret = opae_acc_get_uuid(acc, &uuid);
-       if (ret)
-               return ret;
+       if (ifpga_mgr_ops.get_board_info(mgr, &info)) {
+               IFPGA_RAWDEV_PMD_ERR("ifpga manager get_board_info fail!");
+               return -1;
+       }
+
+       if (info->lightweight) {
+               /* set uuid to all 0, when fpga is lightweight image */
+               memset(&afu_pr_conf->afu_id.uuid.uuid_low, 0, sizeof(u64));
+               memset(&afu_pr_conf->afu_id.uuid.uuid_high, 0, sizeof(u64));
+       } else {
+               acc = opae_adapter_get_acc(adapter, afu_pr_conf->afu_id.port);
+               if (!acc)
+                       return -ENODEV;
 
-       rte_memcpy(&afu_pr_conf->afu_id.uuid.uuid_low, uuid.b, sizeof(u64));
-       rte_memcpy(&afu_pr_conf->afu_id.uuid.uuid_high,
-               uuid.b + 8, sizeof(u64));
+               ret = opae_acc_get_uuid(acc, &uuid);
+               if (ret)
+                       return ret;
 
-       IFPGA_RAWDEV_PMD_INFO("%s: uuid_l=0x%lx, uuid_h=0x%lx\n", __func__,
-               (unsigned long)afu_pr_conf->afu_id.uuid.uuid_low,
-               (unsigned long)afu_pr_conf->afu_id.uuid.uuid_high);
+               rte_memcpy(&afu_pr_conf->afu_id.uuid.uuid_low, uuid.b,
+                       sizeof(u64));
+               rte_memcpy(&afu_pr_conf->afu_id.uuid.uuid_high, uuid.b + 8,
+                       sizeof(u64));
 
+               IFPGA_RAWDEV_PMD_INFO("%s: uuid_l=0x%lx, uuid_h=0x%lx\n",
+                       __func__,
+                       (unsigned long)afu_pr_conf->afu_id.uuid.uuid_low,
+                       (unsigned long)afu_pr_conf->afu_id.uuid.uuid_high);
+               }
        return 0;
 }