[dpdk-dev] [PATCH 12/27] net/ice/base: add function for NVM checksum verification

[Qi Zhang]

AQ 0x0706 lets user to verify and recalculate NVM checksum. The usage
depends on command flags.

Signed-off-by: Milena Olech <milena.olech at intel.com>
Signed-off-by: Qi Zhang <qi.z.zhang at intel.com>
---
 drivers/net/ice/base/ice_nvm.c | 28 ++++++++++++++++++++++++++++
 drivers/net/ice/base/ice_nvm.h |  1 +
 2 files changed, 29 insertions(+)

diff --git a/drivers/net/ice/base/ice_nvm.c b/drivers/net/ice/base/ice_nvm.c
index c807ce9ebc..45310bfc6b 100644
--- a/drivers/net/ice/base/ice_nvm.c
+++ b/drivers/net/ice/base/ice_nvm.c
@@ -1077,6 +1077,34 @@ enum ice_status ice_nvm_validate_checksum(struct ice_hw *hw)
 	return status;
 }
 
+/**
+ * ice_nvm_recalculate_checksum
+ * @hw: pointer to the HW struct
+ *
+ * Recalculate NVM PFA checksum (0x0706)
+ */
+enum ice_status ice_nvm_recalculate_checksum(struct ice_hw *hw)
+{
+	struct ice_aqc_nvm_checksum *cmd;
+	struct ice_aq_desc desc;
+	enum ice_status status;
+
+	status = ice_acquire_nvm(hw, ICE_RES_READ);
+	if (status)
+		return status;
+
+	cmd = &desc.params.nvm_checksum;
+
+	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_checksum);
+	cmd->flags = ICE_AQC_NVM_CHECKSUM_RECALC;
+
+	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
+
+	ice_release_nvm(hw);
+
+	return status;
+}
+
 /**
  * ice_nvm_access_get_features - Return the NVM access features structure
  * @cmd: NVM access command to process
diff --git a/drivers/net/ice/base/ice_nvm.h b/drivers/net/ice/base/ice_nvm.h
index 52f79ca5c9..48b71950e9 100644
--- a/drivers/net/ice/base/ice_nvm.h
+++ b/drivers/net/ice/base/ice_nvm.h
@@ -119,4 +119,5 @@ enum ice_status ice_read_sr_word(struct ice_hw *hw, u16 offset, u16 *data);
 enum ice_status
 ice_read_sr_buf(struct ice_hw *hw, u16 offset, u16 *words, u16 *data);
 enum ice_status ice_nvm_validate_checksum(struct ice_hw *hw);
+enum ice_status ice_nvm_recalculate_checksum(struct ice_hw *hw);
 #endif /* _ICE_NVM_H_ */
-- 
2.26.2