[v2,097/148] net/ice/base: support for firmware sanitization

Message ID 2ff3a8120eca7a18b79c6752c9a9cf173dd13523.1718204529.git.anatoly.burakov@intel.com (mailing list archive)
State Superseded
Delegated to: Bruce Richardson
Headers
Series Update net/ice base driver to latest upstream snapshot |

Checks

Context Check Description
ci/checkpatch warning coding style issues

Commit Message

Anatoly Burakov June 12, 2024, 3:01 p.m. UTC
  From: Ian Stokes <ian.stokes@intel.com>

Add support for AQ 0x070C. Includes ice_nvm_sanitize and a helper
function ice_nvm_sanitize_operate to facilitate the operate request.

Signed-off-by: Fabio Pricoco <fabio.pricoco@intel.com>
Signed-off-by: Ian Stokes <ian.stokes@intel.com>
---
 drivers/net/ice/base/ice_adminq_cmd.h | 25 ++++++++++++
 drivers/net/ice/base/ice_nvm.c        | 57 +++++++++++++++++++++++++++
 drivers/net/ice/base/ice_nvm.h        |  2 +
 3 files changed, 84 insertions(+)
  

Patch

diff --git a/drivers/net/ice/base/ice_adminq_cmd.h b/drivers/net/ice/base/ice_adminq_cmd.h
index 358f637000..2c3ae88fa4 100644
--- a/drivers/net/ice/base/ice_adminq_cmd.h
+++ b/drivers/net/ice/base/ice_adminq_cmd.h
@@ -2025,6 +2025,29 @@  struct ice_aqc_nvm_checksum {
 	u8 rsvd2[12];
 };
 
+/* Used for NVM Sanitization command - 0x070C */
+struct ice_aqc_nvm_sanitization {
+	u8 cmd_flags;
+#define ICE_AQ_NVM_SANITIZE_REQ_READ				0
+#define ICE_AQ_NVM_SANITIZE_REQ_OPERATE				BIT(0)
+
+#define ICE_AQ_NVM_SANITIZE_READ_SUBJECT_NVM_BITS		0
+#define ICE_AQ_NVM_SANITIZE_READ_SUBJECT_NVM_STATE		BIT(1)
+#define ICE_AQ_NVM_SANITIZE_OPERATE_SUBJECT_CLEAR		0
+	u8 values;
+#define ICE_AQ_NVM_SANITIZE_NVM_BITS_HOST_CLEAN_SUPPORT		BIT(0)
+#define ICE_AQ_NVM_SANITIZE_NVM_BITS_BMC_CLEAN_SUPPORT		BIT(2)
+#define ICE_AQ_NVM_SANITIZE_NVM_STATE_HOST_CLEAN_DONE		BIT(0)
+#define ICE_AQ_NVM_SANITIZE_NVM_STATE_HOST_CLEAN_SUCCESS	BIT(1)
+#define ICE_AQ_NVM_SANITIZE_NVM_STATE_BMC_CLEAN_DONE		BIT(2)
+#define ICE_AQ_NVM_SANITIZE_NVM_STATE_BMC_CLEAN_SUCCESS		BIT(3)
+#define ICE_AQ_NVM_SANITIZE_OPERATE_HOST_CLEAN_DONE		BIT(0)
+#define ICE_AQ_NVM_SANITIZE_OPERATE_HOST_CLEAN_SUCCESS		BIT(1)
+#define ICE_AQ_NVM_SANITIZE_OPERATE_BMC_CLEAN_DONE		BIT(2)
+#define ICE_AQ_NVM_SANITIZE_OPERATE_BMC_CLEAN_SUCCESS		BIT(3)
+	u8 reserved[14];
+};
+
 /* Get LLDP MIB (indirect 0x0A00)
  * Note: This is also used by the LLDP MIB Change Event (0x0A01)
  * as the format is the same.
@@ -3092,6 +3115,7 @@  struct ice_aq_desc {
 		struct ice_aqc_nvm nvm;
 		struct ice_aqc_nvm_cfg nvm_cfg;
 		struct ice_aqc_nvm_checksum nvm_checksum;
+		struct ice_aqc_nvm_sanitization sanitization;
 		struct ice_aqc_set_query_pfc_mode set_query_pfc_mode;
 		struct ice_aqc_lldp_get_mib lldp_get_mib;
 		struct ice_aqc_lldp_set_mib_change lldp_set_event;
@@ -3343,6 +3367,7 @@  enum ice_adminq_opc {
 	ice_aqc_opc_nvm_sr_dump				= 0x0707,
 	ice_aqc_opc_nvm_save_factory_settings		= 0x0708,
 	ice_aqc_opc_nvm_update_empr			= 0x0709,
+	ice_aqc_opc_nvm_sanitization			= 0x070C,
 
 	/* LLDP commands */
 	ice_aqc_opc_lldp_get_mib			= 0x0A00,
diff --git a/drivers/net/ice/base/ice_nvm.c b/drivers/net/ice/base/ice_nvm.c
index 811bbc9bbc..b0d238f7e0 100644
--- a/drivers/net/ice/base/ice_nvm.c
+++ b/drivers/net/ice/base/ice_nvm.c
@@ -1427,3 +1427,60 @@  ice_handle_nvm_access(struct ice_hw *hw, struct ice_nvm_access_cmd *cmd,
 		return ICE_ERR_PARAM;
 	}
 }
+
+/**
+ * ice_nvm_sanitize_operate - Clear the user data
+ * @hw: pointer to the HW struct
+ *
+ * Clear user data from NVM using AQ command (0x070C).
+ *
+ * Return: the exit code of the operation.
+ */
+s32 ice_nvm_sanitize_operate(struct ice_hw *hw)
+{
+	s32 status;
+	u8 values;
+
+	u8 cmd_flags = ICE_AQ_NVM_SANITIZE_REQ_OPERATE |
+		       ICE_AQ_NVM_SANITIZE_OPERATE_SUBJECT_CLEAR;
+
+	status = ice_nvm_sanitize(hw, cmd_flags, &values);
+	if (status)
+		return status;
+	if ((!(values & ICE_AQ_NVM_SANITIZE_OPERATE_HOST_CLEAN_DONE) &&
+	     !(values & ICE_AQ_NVM_SANITIZE_OPERATE_BMC_CLEAN_DONE)) ||
+	    ((values & ICE_AQ_NVM_SANITIZE_OPERATE_HOST_CLEAN_DONE) &&
+	     !(values & ICE_AQ_NVM_SANITIZE_OPERATE_HOST_CLEAN_SUCCESS)) ||
+	    ((values & ICE_AQ_NVM_SANITIZE_OPERATE_BMC_CLEAN_DONE) &&
+	     !(values & ICE_AQ_NVM_SANITIZE_OPERATE_BMC_CLEAN_SUCCESS)))
+		return ICE_ERR_AQ_ERROR;
+
+	return ICE_SUCCESS;
+}
+
+/**
+ * ice_nvm_sanitize - Sanitize NVM
+ * @hw: pointer to the HW struct
+ * @cmd_flags: flag to the ACI command
+ * @values: values returned from the command
+ *
+ * Sanitize NVM using AQ command (0x070C).
+ *
+ * Return: the exit code of the operation.
+ */
+s32 ice_nvm_sanitize(struct ice_hw *hw, u8 cmd_flags, u8 *values)
+{
+	struct ice_aqc_nvm_sanitization *cmd;
+	struct ice_aq_desc desc;
+	s32 status;
+
+	cmd = &desc.params.sanitization;
+	ice_fill_dflt_direct_cmd_desc(&desc, ice_aqc_opc_nvm_sanitization);
+	cmd->cmd_flags = cmd_flags;
+
+	status = ice_aq_send_cmd(hw, &desc, NULL, 0, NULL);
+	if (values)
+		*values = cmd->values;
+
+	return status;
+}
diff --git a/drivers/net/ice/base/ice_nvm.h b/drivers/net/ice/base/ice_nvm.h
index 552e4659b7..66443c2694 100644
--- a/drivers/net/ice/base/ice_nvm.h
+++ b/drivers/net/ice/base/ice_nvm.h
@@ -108,4 +108,6 @@  int
 ice_read_sr_buf(struct ice_hw *hw, u16 offset, u16 *words, u16 *data);
 int ice_nvm_validate_checksum(struct ice_hw *hw);
 int ice_nvm_recalculate_checksum(struct ice_hw *hw);
+s32 ice_nvm_sanitize_operate(struct ice_hw *hw);
+s32 ice_nvm_sanitize(struct ice_hw *hw, u8 cmd_flags, u8 *values);
 #endif /* _ICE_NVM_H_ */