common/qat: add gen-specific queue pair function

This patch adds the queue pair data structure and function
prototypes for different QAT generations.

Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
Acked-by: Ciara Power <ciara.power@intel.com>

diff --git a/drivers/common/qat/qat_qp.c b/drivers/common/qat/qat_qp.c
index b8c6000e86ab06030381b69ef406403bf482a089..27994036b8115ca7b7d52b06c9caf9936d941c66 100644 (file)
--- a/drivers/common/qat/qat_qp.c
+++ b/drivers/common/qat/qat_qp.c
@@ -34,6 +34,9 @@
        ADF_CSR_WR(csr_addr, ADF_ARB_RINGSRVARBEN_OFFSET + \
        (ADF_ARB_REG_SLOT * index), value)
 
+struct qat_qp_hw_spec_funcs*
+       qat_qp_hw_spec[QAT_N_GENS];
+
 __extension__
 const struct qat_qp_hw_data qat_gen1_qps[QAT_MAX_SERVICES]
                                         [ADF_MAX_QPS_ON_ANY_SERVICE] = {

diff --git a/drivers/common/qat/qat_qp.h b/drivers/common/qat/qat_qp.h
index e1627197fadf97a51d5a6c60d81a0e0cf8720663..726cd2ef618e6b922170d461bc9ea0e803c07489 100644 (file)
--- a/drivers/common/qat/qat_qp.h
+++ b/drivers/common/qat/qat_qp.h
@@ -7,8 +7,6 @@
 #include "qat_common.h"
 #include "adf_transport_access_macros.h"
 
-struct qat_pci_device;
-
 #define QAT_CSR_HEAD_WRITE_THRESH 32U
 /* number of requests to accumulate before writing head CSR */
 
@@ -24,37 +22,7 @@ struct qat_pci_device;
 #define QAT_GEN4_BUNDLE_NUM             4
 #define QAT_GEN4_QPS_PER_BUNDLE_NUM     1
 
-/**
- * Structure with data needed for creation of queue pair.
- */
-struct qat_qp_hw_data {
-       enum qat_service_type service_type;
-       uint8_t hw_bundle_num;
-       uint8_t tx_ring_num;
-       uint8_t rx_ring_num;
-       uint16_t tx_msg_size;
-       uint16_t rx_msg_size;
-};
-
-/**
- * Structure with data needed for creation of queue pair on gen4.
- */
-struct qat_qp_gen4_data {
-       struct qat_qp_hw_data qat_qp_hw_data;
-       uint8_t reserved;
-       uint8_t valid;
-};
-
-/**
- * Structure with data needed for creation of queue pair.
- */
-struct qat_qp_config {
-       const struct qat_qp_hw_data *hw;
-       uint32_t nb_descriptors;
-       uint32_t cookie_size;
-       int socket_id;
-       const char *service_str;
-};
+struct qat_pci_device;
 
 /**
  * Structure associated with each queue.
@@ -96,8 +64,28 @@ struct qat_qp {
        uint16_t min_enq_burst_threshold;
 } __rte_cache_aligned;
 
-extern const struct qat_qp_hw_data qat_gen1_qps[][ADF_MAX_QPS_ON_ANY_SERVICE];
-extern const struct qat_qp_hw_data qat_gen3_qps[][ADF_MAX_QPS_ON_ANY_SERVICE];
+/**
+ * Structure with data needed for creation of queue pair.
+ */
+struct qat_qp_hw_data {
+       enum qat_service_type service_type;
+       uint8_t hw_bundle_num;
+       uint8_t tx_ring_num;
+       uint8_t rx_ring_num;
+       uint16_t tx_msg_size;
+       uint16_t rx_msg_size;
+};
+
+/**
+ * Structure with data needed for creation of queue pair.
+ */
+struct qat_qp_config {
+       const struct qat_qp_hw_data *hw;
+       uint32_t nb_descriptors;
+       uint32_t cookie_size;
+       int socket_id;
+       const char *service_str;
+};
 
 uint16_t
 qat_enqueue_op_burst(void *qp, void **ops, uint16_t nb_ops);
@@ -136,4 +124,49 @@ qat_select_valid_queue(struct qat_pci_device *qat_dev, int qp_id,
 int
 qat_read_qp_config(struct qat_pci_device *qat_dev);
 
+/**
+ * Function prototypes for GENx specific queue pair operations.
+ **/
+typedef int (*qat_qp_rings_per_service_t)
+               (struct qat_pci_device *, enum qat_service_type);
+
+typedef void (*qat_qp_build_ring_base_t)(void *, struct qat_queue *);
+
+typedef void (*qat_qp_adf_arb_enable_t)(const struct qat_queue *, void *,
+               rte_spinlock_t *);
+
+typedef void (*qat_qp_adf_arb_disable_t)(const struct qat_queue *, void *,
+               rte_spinlock_t *);
+
+typedef void (*qat_qp_adf_configure_queues_t)(struct qat_qp *);
+
+typedef void (*qat_qp_csr_write_tail_t)(struct qat_qp *qp, struct qat_queue *q);
+
+typedef void (*qat_qp_csr_write_head_t)(struct qat_qp *qp, struct qat_queue *q,
+               uint32_t new_head);
+
+typedef void (*qat_qp_csr_setup_t)(struct qat_pci_device*, void *,
+               struct qat_qp *);
+
+typedef const struct qat_qp_hw_data * (*qat_qp_get_hw_data_t)(
+               struct qat_pci_device *dev, enum qat_service_type service_type,
+               uint16_t qp_id);
+
+struct qat_qp_hw_spec_funcs {
+       qat_qp_rings_per_service_t      qat_qp_rings_per_service;
+       qat_qp_build_ring_base_t        qat_qp_build_ring_base;
+       qat_qp_adf_arb_enable_t         qat_qp_adf_arb_enable;
+       qat_qp_adf_arb_disable_t        qat_qp_adf_arb_disable;
+       qat_qp_adf_configure_queues_t   qat_qp_adf_configure_queues;
+       qat_qp_csr_write_tail_t         qat_qp_csr_write_tail;
+       qat_qp_csr_write_head_t         qat_qp_csr_write_head;
+       qat_qp_csr_setup_t              qat_qp_csr_setup;
+       qat_qp_get_hw_data_t            qat_qp_get_hw_data;
+};
+
+extern struct qat_qp_hw_spec_funcs *qat_qp_hw_spec[];
+
+extern const struct qat_qp_hw_data qat_gen1_qps[][ADF_MAX_QPS_ON_ANY_SERVICE];
+extern const struct qat_qp_hw_data qat_gen3_qps[][ADF_MAX_QPS_ON_ANY_SERVICE];
+
 #endif /* _QAT_QP_H_ */