mirror of https://github.com/F-Stack/f-stack.git
148 lines
4.1 KiB
C
148 lines
4.1 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright(c) 2018 Intel Corporation
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*/
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#ifndef _QAT_DEVICE_H_
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#define _QAT_DEVICE_H_
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#include <rte_bus_pci.h>
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#include "qat_common.h"
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#include "qat_logs.h"
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#include "adf_transport_access_macros.h"
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#include "qat_qp.h"
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#define QAT_DETACHED (0)
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#define QAT_ATTACHED (1)
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#define QAT_DEV_NAME_MAX_LEN 64
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#define SYM_ENQ_THRESHOLD_NAME "qat_sym_enq_threshold"
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#define ASYM_ENQ_THRESHOLD_NAME "qat_asym_enq_threshold"
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#define COMP_ENQ_THRESHOLD_NAME "qat_comp_enq_threshold"
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#define MAX_QP_THRESHOLD_SIZE 32
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struct qat_dev_cmd_param {
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const char *name;
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uint16_t val;
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};
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enum qat_comp_num_im_buffers {
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QAT_NUM_INTERM_BUFS_GEN1 = 12,
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QAT_NUM_INTERM_BUFS_GEN2 = 20,
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QAT_NUM_INTERM_BUFS_GEN3 = 20
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};
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struct qat_device_info {
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const struct rte_memzone *mz;
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/**< mz to store the qat_pci_device so it can be
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* shared across processes
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*/
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struct rte_pci_device *pci_dev;
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struct rte_device sym_rte_dev;
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/**< This represents the crypto sym subset of this pci device.
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* Register with this rather than with the one in
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* pci_dev so that its driver can have a crypto-specific name
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*/
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struct rte_device asym_rte_dev;
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/**< This represents the crypto asym subset of this pci device.
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* Register with this rather than with the one in
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* pci_dev so that its driver can have a crypto-specific name
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*/
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struct rte_device comp_rte_dev;
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/**< This represents the compression subset of this pci device.
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* Register with this rather than with the one in
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* pci_dev so that its driver can have a compression-specific name
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*/
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};
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extern struct qat_device_info qat_pci_devs[];
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struct qat_sym_dev_private;
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struct qat_asym_dev_private;
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struct qat_comp_dev_private;
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/*
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* This struct holds all the data about a QAT pci device
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* including data about all services it supports.
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* It contains
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* - hw_data
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* - config data
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* - runtime data
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* Note: as this data can be shared in a multi-process scenario,
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* any pointers in it must also point to shared memory.
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*/
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struct qat_pci_device {
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/* Data used by all services */
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char name[QAT_DEV_NAME_MAX_LEN];
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/**< Name of qat pci device */
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uint8_t qat_dev_id;
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/**< Id of device instance for this qat pci device */
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enum qat_device_gen qat_dev_gen;
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/**< QAT device generation */
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rte_spinlock_t arb_csr_lock;
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/**< lock to protect accesses to the arbiter CSR */
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struct qat_qp *qps_in_use[QAT_MAX_SERVICES][ADF_MAX_QPS_ON_ANY_SERVICE];
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/**< links to qps set up for each service, index same as on API */
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/* Data relating to symmetric crypto service */
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struct qat_sym_dev_private *sym_dev;
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/**< link back to cryptodev private data */
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int qat_sym_driver_id;
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/**< Symmetric driver id used by this device */
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/* Data relating to asymmetric crypto service */
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struct qat_asym_dev_private *asym_dev;
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/**< link back to cryptodev private data */
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int qat_asym_driver_id;
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/**< Symmetric driver id used by this device */
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/* Data relating to compression service */
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struct qat_comp_dev_private *comp_dev;
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/**< link back to compressdev private data */
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};
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struct qat_gen_hw_data {
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enum qat_device_gen dev_gen;
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const struct qat_qp_hw_data (*qp_hw_data)[ADF_MAX_QPS_ON_ANY_SERVICE];
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enum qat_comp_num_im_buffers comp_num_im_bufs_required;
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};
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extern struct qat_gen_hw_data qat_gen_config[];
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struct qat_pci_device *
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qat_pci_device_allocate(struct rte_pci_device *pci_dev,
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struct qat_dev_cmd_param *qat_dev_cmd_param);
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struct qat_pci_device *
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qat_get_qat_dev_from_pci_dev(struct rte_pci_device *pci_dev);
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/* declaration needed for weak functions */
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int
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qat_sym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused,
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struct qat_dev_cmd_param *qat_dev_cmd_param);
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int
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qat_asym_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused,
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struct qat_dev_cmd_param *qat_dev_cmd_param);
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int
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qat_sym_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
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int
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qat_asym_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
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int
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qat_comp_dev_create(struct qat_pci_device *qat_pci_dev __rte_unused,
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struct qat_dev_cmd_param *qat_dev_cmd_param);
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int
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qat_comp_dev_destroy(struct qat_pci_device *qat_pci_dev __rte_unused);
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#endif /* _QAT_DEVICE_H_ */
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