[dpdk-dev] [PATCH v7 15/17] raw/ifpga/base: clean fme errors

[Andy Pei]

From: Tianfei zhang <tianfei.zh...@intel.com>

Clean fme errors register when some fme errors occurred.

Signed-off-by: Tianfei zhang <tianfei.zh...@intel.com>
Signed-off-by: Andy Pei <andy....@intel.com>
---
 drivers/raw/ifpga/base/ifpga_fme_error.c | 24 ++----------------------
 drivers/raw/ifpga/ifpga_rawdev.c         | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+), 22 deletions(-)

diff --git a/drivers/raw/ifpga/base/ifpga_fme_error.c 
b/drivers/raw/ifpga/base/ifpga_fme_error.c
index 5d6d630..5905eac 100644
--- a/drivers/raw/ifpga/base/ifpga_fme_error.c
+++ b/drivers/raw/ifpga/base/ifpga_fme_error.c
@@ -48,34 +48,14 @@ static int fme_err_set_clear(struct ifpga_fme_hw *fme, u64 
val)
        struct feature_fme_err *fme_err
                = get_fme_feature_ioaddr_by_index(fme,
                                                  FME_FEATURE_ID_GLOBAL_ERR);
-       struct feature_fme_error0 fme_error0;
-       struct feature_fme_first_error fme_first_err;
-       struct feature_fme_next_error fme_next_err;
-       int ret = 0;
 
        spinlock_lock(&fme->lock);
-       writeq(GENMASK_ULL(63, 0), &fme_err->fme_err_mask);
-
-       fme_error0.csr = readq(&fme_err->fme_err);
-       if (val != fme_error0.csr) {
-               ret = -EBUSY;
-               goto exit;
-       }
-
-       fme_first_err.csr = readq(&fme_err->fme_first_err);
-       fme_next_err.csr = readq(&fme_err->fme_next_err);
 
-       writeq(fme_error0.csr, &fme_err->fme_err);
-       writeq(fme_first_err.csr & FME_FIRST_ERROR_MASK,
-              &fme_err->fme_first_err);
-       writeq(fme_next_err.csr & FME_NEXT_ERROR_MASK,
-              &fme_err->fme_next_err);
+       writeq(val, &fme_err->fme_err);
 
-exit:
-       writeq(FME_ERROR0_MASK_DEFAULT, &fme_err->fme_err_mask);
        spinlock_unlock(&fme->lock);
 
-       return ret;
+       return 0;
 }
 
 static int fme_err_get_revision(struct ifpga_fme_hw *fme, u64 *val)
diff --git a/drivers/raw/ifpga/ifpga_rawdev.c b/drivers/raw/ifpga/ifpga_rawdev.c
index b4e7ec1..5fa40f6 100644
--- a/drivers/raw/ifpga/ifpga_rawdev.c
+++ b/drivers/raw/ifpga/ifpga_rawdev.c
@@ -1178,6 +1178,25 @@ struct ifpga_rawdev *
        return 0;
 }
 
+static int fme_clean_fme_error(struct opae_manager *mgr)
+{
+       u64 val;
+
+       if (ifpga_get_fme_error_prop(mgr, FME_ERR_PROP_ERRORS, &val))
+               return -EINVAL;
+
+       IFPGA_RAWDEV_PMD_DEBUG("before clean 0x%lx\n", val);
+
+       ifpga_set_fme_error_prop(mgr, FME_ERR_PROP_CLEAR, val);
+
+       if (ifpga_get_fme_error_prop(mgr, FME_ERR_PROP_ERRORS, &val))
+               return -EINVAL;
+
+       IFPGA_RAWDEV_PMD_DEBUG("after clean 0x%lx\n", val);
+
+       return 0;
+}
+
 static int
 fme_err_handle_error0(struct opae_manager *mgr)
 {
@@ -1187,6 +1206,9 @@ struct ifpga_rawdev *
        if (ifpga_get_fme_error_prop(mgr, FME_ERR_PROP_ERRORS, &val))
                return -EINVAL;
 
+       if (fme_clean_fme_error(mgr))
+               return -EINVAL;
+
        fme_error0.csr = val;
 
        if (fme_error0.fabric_err)
-- 
1.8.3.1