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 enum qat_comp_num_im_buffers {
20 QAT_NUM_INTERM_BUFS_GEN1 = 12,
21 QAT_NUM_INTERM_BUFS_GEN2 = 20,
22 QAT_NUM_INTERM_BUFS_GEN3 = 20
26 * This struct holds all the data about a QAT pci device
27 * including data about all services it supports.
33 struct qat_sym_dev_private;
34 struct qat_asym_dev_private;
35 struct qat_comp_dev_private;
37 struct qat_pci_device {
39 /* Data used by all services */
40 char name[QAT_DEV_NAME_MAX_LEN];
41 /**< Name of qat pci device */
43 /**< Device instance for this qat pci device */
44 struct rte_pci_device *pci_dev;
45 /**< PCI information. */
46 enum qat_device_gen qat_dev_gen;
47 /**< QAT device generation */
48 rte_spinlock_t arb_csr_lock;
49 /**< lock to protect accesses to the arbiter CSR */
52 /**< Flag indicating the device is attached */
54 struct qat_qp *qps_in_use[QAT_MAX_SERVICES][ADF_MAX_QPS_ON_ANY_SERVICE];
55 /**< links to qps set up for each service, index same as on API */
57 /* Data relating to symmetric crypto service */
58 struct qat_sym_dev_private *sym_dev;
59 /**< link back to cryptodev private data */
60 struct rte_device sym_rte_dev;
61 /**< This represents the crypto sym subset of this pci device.
62 * Register with this rather than with the one in
63 * pci_dev so that its driver can have a crypto-specific name
66 /* Data relating to asymmetric crypto service */
67 struct qat_asym_dev_private *asym_dev;
68 /**< link back to cryptodev private data */
69 struct rte_device asym_rte_dev;
70 /**< This represents the crypto asym subset of this pci device.
71 * Register with this rather than with the one in
72 * pci_dev so that its driver can have a crypto-specific name
75 /* Data relating to compression service */
76 struct qat_comp_dev_private *comp_dev;
77 /**< link back to compressdev private data */
78 struct rte_device comp_rte_dev;
79 /**< This represents the compression subset of this pci device.
80 * Register with this rather than with the one in
81 * pci_dev so that its driver can have a compression-specific name
84 /* Data relating to asymmetric crypto service */
88 struct qat_gen_hw_data {
89 enum qat_device_gen dev_gen;
90 const struct qat_qp_hw_data (*qp_hw_data)[ADF_MAX_QPS_ON_ANY_SERVICE];
91 enum qat_comp_num_im_buffers comp_num_im_bufs_required;
94 extern struct qat_gen_hw_data qat_gen_config[];
96 struct qat_pci_device *
97 qat_pci_device_allocate(struct rte_pci_device *pci_dev);
100 qat_pci_device_release(struct rte_pci_device *pci_dev);
102 struct qat_pci_device *
103 qat_get_qat_dev_from_pci_dev(struct rte_pci_device *pci_dev);
105 /* declaration needed for weak functions */
107 qat_sym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused);
110 qat_asym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused);
113 qat_sym_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
116 qat_asym_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
119 qat_comp_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused);
122 qat_comp_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
124 #endif /* _QAT_DEVICE_H_ */