1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018 Intel Corporation
7 #include <rte_bus_pci.h>
9 #include "qat_common.h"
11 #include "adf_transport_access_macros.h"
14 #define QAT_DETACHED (0)
15 #define QAT_ATTACHED (1)
17 #define QAT_DEV_NAME_MAX_LEN 64
19 #define SYM_ENQ_THRESHOLD_NAME "qat_sym_enq_threshold"
20 #define ASYM_ENQ_THRESHOLD_NAME "qat_asym_enq_threshold"
21 #define COMP_ENQ_THRESHOLD_NAME "qat_comp_enq_threshold"
22 #define MAX_QP_THRESHOLD_SIZE 32
24 struct qat_dev_cmd_param {
29 enum qat_comp_num_im_buffers {
30 QAT_NUM_INTERM_BUFS_GEN1 = 12,
31 QAT_NUM_INTERM_BUFS_GEN2 = 20,
32 QAT_NUM_INTERM_BUFS_GEN3 = 64
35 struct qat_device_info {
36 const struct rte_memzone *mz;
37 /**< mz to store the qat_pci_device so it can be
38 * shared across processes
40 struct rte_pci_device *pci_dev;
41 struct rte_device sym_rte_dev;
42 /**< This represents the crypto sym subset of this pci device.
43 * Register with this rather than with the one in
44 * pci_dev so that its driver can have a crypto-specific name
47 struct rte_device asym_rte_dev;
48 /**< This represents the crypto asym subset of this pci device.
49 * Register with this rather than with the one in
50 * pci_dev so that its driver can have a crypto-specific name
53 struct rte_device comp_rte_dev;
54 /**< This represents the compression subset of this pci device.
55 * Register with this rather than with the one in
56 * pci_dev so that its driver can have a compression-specific name
60 extern struct qat_device_info qat_pci_devs[];
62 struct qat_sym_dev_private;
63 struct qat_asym_dev_private;
64 struct qat_comp_dev_private;
67 * This struct holds all the data about a QAT pci device
68 * including data about all services it supports.
73 * Note: as this data can be shared in a multi-process scenario,
74 * any pointers in it must also point to shared memory.
76 struct qat_pci_device {
78 /* Data used by all services */
79 char name[QAT_DEV_NAME_MAX_LEN];
80 /**< Name of qat pci device */
82 /**< Id of device instance for this qat pci device */
83 enum qat_device_gen qat_dev_gen;
84 /**< QAT device generation */
85 rte_spinlock_t arb_csr_lock;
86 /**< lock to protect accesses to the arbiter CSR */
88 struct qat_qp *qps_in_use[QAT_MAX_SERVICES][ADF_MAX_QPS_ON_ANY_SERVICE];
89 /**< links to qps set up for each service, index same as on API */
91 /* Data relating to symmetric crypto service */
92 struct qat_sym_dev_private *sym_dev;
93 /**< link back to cryptodev private data */
95 int qat_sym_driver_id;
96 /**< Symmetric driver id used by this device */
98 /* Data relating to asymmetric crypto service */
99 struct qat_asym_dev_private *asym_dev;
100 /**< link back to cryptodev private data */
102 int qat_asym_driver_id;
103 /**< Symmetric driver id used by this device */
105 /* Data relating to compression service */
106 struct qat_comp_dev_private *comp_dev;
107 /**< link back to compressdev private data */
108 struct qat_qp_hw_data qp_gen4_data[QAT_GEN4_BUNDLE_NUM]
109 [QAT_GEN4_QPS_PER_BUNDLE_NUM];
110 /**< Data of ring configuration on gen4 */
111 void *misc_bar_io_addr;
112 /**< Address of misc bar */
115 struct qat_gen_hw_data {
116 enum qat_device_gen dev_gen;
117 const struct qat_qp_hw_data (*qp_hw_data)[ADF_MAX_QPS_ON_ANY_SERVICE];
118 enum qat_comp_num_im_buffers comp_num_im_bufs_required;
119 struct qat_pf2vf_dev *pf2vf_dev;
122 struct qat_pf2vf_dev {
123 uint32_t pf2vf_offset;
124 uint32_t vf2pf_offset;
125 int pf2vf_type_shift;
126 uint32_t pf2vf_type_mask;
127 int pf2vf_data_shift;
128 uint32_t pf2vf_data_mask;
131 extern struct qat_gen_hw_data qat_gen_config[];
133 struct qat_pci_device *
134 qat_pci_device_allocate(struct rte_pci_device *pci_dev,
135 struct qat_dev_cmd_param *qat_dev_cmd_param);
137 struct qat_pci_device *
138 qat_get_qat_dev_from_pci_dev(struct rte_pci_device *pci_dev);
140 /* declaration needed for weak functions */
142 qat_sym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused,
143 struct qat_dev_cmd_param *qat_dev_cmd_param);
146 qat_asym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused,
147 struct qat_dev_cmd_param *qat_dev_cmd_param);
150 qat_sym_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
153 qat_asym_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
156 qat_comp_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused,
157 struct qat_dev_cmd_param *qat_dev_cmd_param);
160 qat_comp_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
163 qat_query_svc(struct qat_pci_device *qat_pci_dev, uint8_t *ret);
165 #endif /* _QAT_DEVICE_H_ */