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authorTadeusz Struk <tadeusz.struk@intel.com>2015-12-04 16:56:28 -0800
committerHerbert Xu <herbert@gondor.apana.org.au>2015-12-09 20:03:51 +0800
commit1a72d3a6d1d9a08705546eba14f0390c565ccd24 (patch)
treebf555f7ef5970492ca39596fd7955cb4281fab76 /drivers/crypto/qat/qat_common/qat_crypto.c
parentb0272276d903d87160df37f0f56af56cbda59801 (diff)
crypto: qat - move isr files to qat common so that they can be reused
Move qat_isr.c and qat_isrvf.c files to qat_common dir so that they can be reused by all devices. Remove adf_drv.h files because thay are not longer needed. Move adf_dev_configure() function to qat_common so it can be reused. Also some minor updates to common code for multidevice. Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/qat/qat_common/qat_crypto.c')
-rw-r--r--drivers/crypto/qat/qat_common/qat_crypto.c92
1 files changed, 92 insertions, 0 deletions
diff --git a/drivers/crypto/qat/qat_common/qat_crypto.c b/drivers/crypto/qat/qat_common/qat_crypto.c
index 94254028f904..4d0c65b073ec 100644
--- a/drivers/crypto/qat/qat_common/qat_crypto.c
+++ b/drivers/crypto/qat/qat_common/qat_crypto.c
@@ -49,6 +49,7 @@
#include "adf_accel_devices.h"
#include "adf_common_drv.h"
#include "adf_transport.h"
+#include "adf_transport_access_macros.h"
#include "adf_cfg.h"
#include "adf_cfg_strings.h"
#include "qat_crypto.h"
@@ -159,6 +160,97 @@ struct qat_crypto_instance *qat_crypto_get_instance_node(int node)
return inst;
}
+/**
+ * qat_crypto_dev_config() - create dev config required to create crypto inst.
+ *
+ * @accel_dev: Pointer to acceleration device.
+ *
+ * Function creates device configuration required to create crypto instances
+ *
+ * Return: 0 on success, error code otherwise.
+ */
+int qat_crypto_dev_config(struct adf_accel_dev *accel_dev)
+{
+ int cpus = num_online_cpus();
+ int banks = GET_MAX_BANKS(accel_dev);
+ int instances = min(cpus, banks);
+ char key[ADF_CFG_MAX_KEY_LEN_IN_BYTES];
+ int i;
+ unsigned long val;
+
+ if (adf_cfg_section_add(accel_dev, ADF_KERNEL_SEC))
+ goto err;
+ if (adf_cfg_section_add(accel_dev, "Accelerator0"))
+ goto err;
+ for (i = 0; i < instances; i++) {
+ val = i;
+ snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_BANK_NUM, i);
+ if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+ key, (void *)&val, ADF_DEC))
+ goto err;
+
+ snprintf(key, sizeof(key), ADF_CY "%d" ADF_ETRMGR_CORE_AFFINITY,
+ i);
+ if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+ key, (void *)&val, ADF_DEC))
+ goto err;
+
+ snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_SIZE, i);
+ val = 128;
+ if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+ key, (void *)&val, ADF_DEC))
+ goto err;
+
+ val = 512;
+ snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_SIZE, i);
+ if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+ key, (void *)&val, ADF_DEC))
+ goto err;
+
+ val = 0;
+ snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_TX, i);
+ if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+ key, (void *)&val, ADF_DEC))
+ goto err;
+
+ val = 2;
+ snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_TX, i);
+ if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+ key, (void *)&val, ADF_DEC))
+ goto err;
+
+ val = 8;
+ snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_ASYM_RX, i);
+ if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+ key, (void *)&val, ADF_DEC))
+ goto err;
+
+ val = 10;
+ snprintf(key, sizeof(key), ADF_CY "%d" ADF_RING_SYM_RX, i);
+ if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+ key, (void *)&val, ADF_DEC))
+ goto err;
+
+ val = ADF_COALESCING_DEF_TIME;
+ snprintf(key, sizeof(key), ADF_ETRMGR_COALESCE_TIMER_FORMAT, i);
+ if (adf_cfg_add_key_value_param(accel_dev, "Accelerator0",
+ key, (void *)&val, ADF_DEC))
+ goto err;
+ }
+
+ val = i;
+ if (adf_cfg_add_key_value_param(accel_dev, ADF_KERNEL_SEC,
+ ADF_NUM_CY, (void *)&val, ADF_DEC))
+ goto err;
+
+ set_bit(ADF_STATUS_CONFIGURED, &accel_dev->status);
+ return 0;
+err:
+ dev_err(&GET_DEV(accel_dev), "Failed to start QAT accel dev\n");
+ return -EINVAL;
+}
+EXPORT_SYMBOL_GPL(qat_crypto_dev_config);
+
static int qat_crypto_create_instances(struct adf_accel_dev *accel_dev)
{
int i;