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_comp_dev_private;
36 struct qat_pci_device {
38 /* Data used by all services */
39 char name[QAT_DEV_NAME_MAX_LEN];
40 /**< Name of qat pci device */
42 /**< Device instance for this qat pci device */
43 struct rte_pci_device *pci_dev;
44 /**< PCI information. */
45 enum qat_device_gen qat_dev_gen;
46 /**< QAT device generation */
47 rte_spinlock_t arb_csr_lock;
48 /**< lock to protect accesses to the arbiter CSR */
51 /**< Flag indicating the device is attached */
53 struct qat_qp *qps_in_use[QAT_MAX_SERVICES][ADF_MAX_QPS_ON_ANY_SERVICE];
54 /**< links to qps set up for each service, index same as on API */
56 /* Data relating to symmetric crypto service */
57 struct qat_sym_dev_private *sym_dev;
58 /**< link back to cryptodev private data */
59 struct rte_device sym_rte_dev;
60 /**< This represents the crypto subset of this pci device.
61 * Register with this rather than with the one in
62 * pci_dev so that its driver can have a crypto-specific name
65 /* Data relating to compression service */
66 struct qat_comp_dev_private *comp_dev;
67 /**< link back to compressdev private data */
68 struct rte_device comp_rte_dev;
69 /**< This represents the compression subset of this pci device.
70 * Register with this rather than with the one in
71 * pci_dev so that its driver can have a compression-specific name
74 /* Data relating to asymmetric crypto service */
78 struct qat_gen_hw_data {
79 enum qat_device_gen dev_gen;
80 const struct qat_qp_hw_data (*qp_hw_data)[ADF_MAX_QPS_ON_ANY_SERVICE];
81 enum qat_comp_num_im_buffers comp_num_im_bufs_required;
84 extern struct qat_gen_hw_data qat_gen_config[];
86 struct qat_pci_device *
87 qat_pci_device_allocate(struct rte_pci_device *pci_dev);
90 qat_pci_device_release(struct rte_pci_device *pci_dev);
92 struct qat_pci_device *
93 qat_get_qat_dev_from_pci_dev(struct rte_pci_device *pci_dev);
95 /* declaration needed for weak functions */
97 qat_sym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused);
100 qat_asym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused);
103 qat_sym_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
106 qat_asym_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
109 qat_comp_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused);
112 qat_comp_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
114 #endif /* _QAT_DEVICE_H_ */