crypto: qat - enable dc chaining service

[platform/kernel/linux-rpi.git] / drivers / crypto / intel / qat / qat_common / adf_admin.c

diff --git a/drivers/crypto/intel/qat/qat_common/adf_admin.c b/drivers/crypto/intel/qat/qat_common/adf_admin.c
index ff79082..194d64d 100644 (file)
--- a/drivers/crypto/intel/qat/qat_common/adf_admin.c
+++ b/drivers/crypto/intel/qat/qat_common/adf_admin.c
@@ -8,6 +8,7 @@
 #include <linux/dma-mapping.h>
 #include "adf_accel_devices.h"
 #include "adf_common_drv.h"
+#include "adf_cfg.h"
 #include "adf_heartbeat.h"
 #include "icp_qat_fw_init_admin.h"
 
@@ -212,6 +213,17 @@ int adf_get_fw_timestamp(struct adf_accel_dev *accel_dev, u64 *timestamp)
        return 0;
 }
 
+static int adf_set_chaining(struct adf_accel_dev *accel_dev)
+{
+       u32 ae_mask = GET_HW_DATA(accel_dev)->ae_mask;
+       struct icp_qat_fw_init_admin_resp resp = { };
+       struct icp_qat_fw_init_admin_req req = { };
+
+       req.cmd_id = ICP_QAT_FW_DC_CHAIN_INIT;
+
+       return adf_send_admin(accel_dev, &req, &resp, ae_mask);
+}
+
 static int adf_get_dc_capabilities(struct adf_accel_dev *accel_dev,
                                   u32 *capabilities)
 {
@@ -284,6 +296,19 @@ int adf_send_admin_hb_timer(struct adf_accel_dev *accel_dev, uint32_t ticks)
        return adf_send_admin(accel_dev, &req, &resp, ae_mask);
 }
 
+static bool is_dcc_enabled(struct adf_accel_dev *accel_dev)
+{
+       char services[ADF_CFG_MAX_VAL_LEN_IN_BYTES] = {0};
+       int ret;
+
+       ret = adf_cfg_get_param_value(accel_dev, ADF_GENERAL_SEC,
+                                     ADF_SERVICES_ENABLED, services);
+       if (ret)
+               return false;
+
+       return !strcmp(services, "dcc");
+}
+
 /**
  * adf_send_admin_init() - Function sends init message to FW
  * @accel_dev: Pointer to acceleration device.
@@ -297,6 +322,16 @@ int adf_send_admin_init(struct adf_accel_dev *accel_dev)
        u32 dc_capabilities = 0;
        int ret;
 
+       ret = adf_set_fw_constants(accel_dev);
+       if (ret)
+               return ret;
+
+       if (is_dcc_enabled(accel_dev)) {
+               ret = adf_set_chaining(accel_dev);
+               if (ret)
+                       return ret;
+       }
+
        ret = adf_get_dc_capabilities(accel_dev, &dc_capabilities);
        if (ret) {
                dev_err(&GET_DEV(accel_dev), "Cannot get dc capabilities\n");
@@ -304,10 +339,6 @@ int adf_send_admin_init(struct adf_accel_dev *accel_dev)
        }
        accel_dev->hw_device->extended_dc_capabilities = dc_capabilities;
 
-       ret = adf_set_fw_constants(accel_dev);
-       if (ret)
-               return ret;
-
        return adf_init_ae(accel_dev);
 }
 EXPORT_SYMBOL_GPL(adf_send_admin_init);