net/vhost: fix potential memory leak on close
[dpdk.git] / drivers / common / qat / qat_common.h
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2018 Intel Corporation
3  */
4 #ifndef _QAT_COMMON_H_
5 #define _QAT_COMMON_H_
6
7 #include <stdint.h>
8
9 #include <rte_mbuf.h>
10
11 /**< Intel(R) QAT device name for PCI registration */
12 #define QAT_PCI_NAME    qat
13 #define QAT_64_BTYE_ALIGN_MASK (~0x3f)
14
15 /* Intel(R) QuickAssist Technology device generation is enumerated
16  * from one according to the generation of the device
17  */
18 enum qat_device_gen {
19         QAT_GEN1 = 1,
20         QAT_GEN2,
21         QAT_GEN3
22 };
23
24 enum qat_service_type {
25         QAT_SERVICE_ASYMMETRIC = 0,
26         QAT_SERVICE_SYMMETRIC,
27         QAT_SERVICE_COMPRESSION,
28         QAT_SERVICE_INVALID
29 };
30
31 #define QAT_MAX_SERVICES                (QAT_SERVICE_INVALID)
32
33 /**< Common struct for scatter-gather list operations */
34 struct qat_flat_buf {
35         uint32_t len;
36         uint32_t resrvd;
37         uint64_t addr;
38 } __rte_packed;
39
40 #define qat_sgl_hdr  struct { \
41         uint64_t resrvd; \
42         uint32_t num_bufs; \
43         uint32_t num_mapped_bufs; \
44 }
45
46 __extension__
47 struct qat_sgl {
48         qat_sgl_hdr;
49         /* flexible array of flat buffers*/
50         struct qat_flat_buf buffers[0];
51 } __rte_packed __rte_cache_aligned;
52
53 /** Common, i.e. not service-specific, statistics */
54 struct qat_common_stats {
55         uint64_t enqueued_count;
56         /**< Count of all operations enqueued */
57         uint64_t dequeued_count;
58         /**< Count of all operations dequeued */
59
60         uint64_t enqueue_err_count;
61         /**< Total error count on operations enqueued */
62         uint64_t dequeue_err_count;
63         /**< Total error count on operations dequeued */
64         uint64_t threshold_hit_count;
65         /**< Total number of times min qp threshold condition was fulfilled */
66
67 };
68
69 struct qat_pci_device;
70
71 int
72 qat_sgl_fill_array(struct rte_mbuf *buf, int64_t offset,
73                 void *list_in, uint32_t data_len,
74                 const uint16_t max_segs);
75 void
76 qat_stats_get(struct qat_pci_device *dev,
77                 struct qat_common_stats *stats,
78                 enum qat_service_type service);
79 void
80 qat_stats_reset(struct qat_pci_device *dev,
81                 enum qat_service_type service);
82
83 #endif /* _QAT_COMMON_H_ */