1/******************************************************************************
2
3 Copyright (c) 2013-2015, Intel Corporation
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
8
9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
11
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
15
16 3. Neither the name of the Intel Corporation nor the names of its
17 contributors may be used to endorse or promote products derived from
18 this software without specific prior written permission.
19
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 POSSIBILITY OF SUCH DAMAGE.
31
32******************************************************************************/
| 1/******************************************************************************
2
3 Copyright (c) 2013-2015, Intel Corporation
4 All rights reserved.
5
6 Redistribution and use in source and binary forms, with or without
7 modification, are permitted provided that the following conditions are met:
8
9 1. Redistributions of source code must retain the above copyright notice,
10 this list of conditions and the following disclaimer.
11
12 2. Redistributions in binary form must reproduce the above copyright
13 notice, this list of conditions and the following disclaimer in the
14 documentation and/or other materials provided with the distribution.
15
16 3. Neither the name of the Intel Corporation nor the names of its
17 contributors may be used to endorse or promote products derived from
18 this software without specific prior written permission.
19
20 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
24 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 POSSIBILITY OF SUCH DAMAGE.
31
32******************************************************************************/
|
33/*$FreeBSD: head/sys/dev/ixl/ixl_pf_qmgr.h 303816 2016-08-07 18:12:36Z sbruno $*/
| 33/*$FreeBSD: stable/11/sys/dev/ixl/ixl_pf_qmgr.h 303967 2016-08-11 19:13:30Z sbruno $*/
|
34
35
36#include "ixl_pf.h"
37
38#ifndef _IXL_PF_QMGR_H_
39#define _IXL_PF_QMGR_H_
40
41/*
42 * Primarily manages the queues that need to be allocated to VSIs.
43 *
44 * Cardinality: There should only be one of these in a PF.
45 * Lifetime: Created and initialized in attach(); destroyed in detach().
46 */
47
48#define IXL_MAX_SCATTERED_QUEUES 16
49#define IXL_MAX_CONTIGUOUS_QUEUES_XL710 64
50#define IXL_MAX_CONTIGUOUS_QUEUES_X722 128
51
52/* Structures */
53
54/* Manager */
55struct ixl_pf_qmgr_qinfo {
56 bool allocated;
57 bool tx_enabled;
58 bool rx_enabled;
59 bool tx_configured;
60 bool rx_configured;
61};
62
63struct ixl_pf_qmgr {
64 u16 num_queues;
65 struct ixl_pf_qmgr_qinfo *qinfo;
66};
67
68/* Tag */
69enum ixl_pf_qmgr_qalloc_type {
70 IXL_PF_QALLOC_CONTIGUOUS,
71 IXL_PF_QALLOC_SCATTERED
72};
73
74struct ixl_pf_qtag {
75 struct ixl_pf_qmgr *qmgr;
76 enum ixl_pf_qmgr_qalloc_type type;
77 u16 qidx[IXL_MAX_SCATTERED_QUEUES];
78 u16 num_allocated;
79 u16 num_active;
80};
81
82/* Public manager functions */
83int ixl_pf_qmgr_init(struct ixl_pf_qmgr *qmgr, u16 num_queues);
84void ixl_pf_qmgr_destroy(struct ixl_pf_qmgr *qmgr);
85
86int ixl_pf_qmgr_get_num_queues(struct ixl_pf_qmgr *qmgr);
87int ixl_pf_qmgr_get_first_free(struct ixl_pf_qmgr *qmgr, u16 start);
88int ixl_pf_qmgr_get_num_free(struct ixl_pf_qmgr *qmgr);
89
90/* Allocate queues for a VF VSI */
91int ixl_pf_qmgr_alloc_scattered(struct ixl_pf_qmgr *qmgr, u16 num, struct ixl_pf_qtag *qtag);
92/* Allocate queues for the LAN VSIs, or X722 VF VSIs */
93int ixl_pf_qmgr_alloc_contiguous(struct ixl_pf_qmgr *qmgr, u16 num, struct ixl_pf_qtag *qtag);
94/* Release a queue allocation */
95int ixl_pf_qmgr_release(struct ixl_pf_qmgr *qmgr, struct ixl_pf_qtag *qtag);
96
97/* Help manage queues used in VFs */
98/* Typically hardware refers to RX as 0 and TX as 1, so continue that convention here */
99void ixl_pf_qmgr_mark_queue_enabled(struct ixl_pf_qtag *qtag, u16 vsi_qidx, bool tx);
100void ixl_pf_qmgr_mark_queue_disabled(struct ixl_pf_qtag *qtag, u16 vsi_qidx, bool tx);
101void ixl_pf_qmgr_mark_queue_configured(struct ixl_pf_qtag *qtag, u16 vsi_qidx, bool tx);
102bool ixl_pf_qmgr_is_queue_enabled(struct ixl_pf_qtag *qtag, u16 vsi_qidx, bool tx);
103bool ixl_pf_qmgr_is_queue_configured(struct ixl_pf_qtag *qtag, u16 vsi_qidx, bool tx);
104
105/* Public tag functions */
106u16 ixl_pf_qidx_from_vsi_qidx(struct ixl_pf_qtag *qtag, u16 index);
107
108#endif /* _IXL_PF_QMGR_H_ */
109
| 34
35
36#include "ixl_pf.h"
37
38#ifndef _IXL_PF_QMGR_H_
39#define _IXL_PF_QMGR_H_
40
41/*
42 * Primarily manages the queues that need to be allocated to VSIs.
43 *
44 * Cardinality: There should only be one of these in a PF.
45 * Lifetime: Created and initialized in attach(); destroyed in detach().
46 */
47
48#define IXL_MAX_SCATTERED_QUEUES 16
49#define IXL_MAX_CONTIGUOUS_QUEUES_XL710 64
50#define IXL_MAX_CONTIGUOUS_QUEUES_X722 128
51
52/* Structures */
53
54/* Manager */
55struct ixl_pf_qmgr_qinfo {
56 bool allocated;
57 bool tx_enabled;
58 bool rx_enabled;
59 bool tx_configured;
60 bool rx_configured;
61};
62
63struct ixl_pf_qmgr {
64 u16 num_queues;
65 struct ixl_pf_qmgr_qinfo *qinfo;
66};
67
68/* Tag */
69enum ixl_pf_qmgr_qalloc_type {
70 IXL_PF_QALLOC_CONTIGUOUS,
71 IXL_PF_QALLOC_SCATTERED
72};
73
74struct ixl_pf_qtag {
75 struct ixl_pf_qmgr *qmgr;
76 enum ixl_pf_qmgr_qalloc_type type;
77 u16 qidx[IXL_MAX_SCATTERED_QUEUES];
78 u16 num_allocated;
79 u16 num_active;
80};
81
82/* Public manager functions */
83int ixl_pf_qmgr_init(struct ixl_pf_qmgr *qmgr, u16 num_queues);
84void ixl_pf_qmgr_destroy(struct ixl_pf_qmgr *qmgr);
85
86int ixl_pf_qmgr_get_num_queues(struct ixl_pf_qmgr *qmgr);
87int ixl_pf_qmgr_get_first_free(struct ixl_pf_qmgr *qmgr, u16 start);
88int ixl_pf_qmgr_get_num_free(struct ixl_pf_qmgr *qmgr);
89
90/* Allocate queues for a VF VSI */
91int ixl_pf_qmgr_alloc_scattered(struct ixl_pf_qmgr *qmgr, u16 num, struct ixl_pf_qtag *qtag);
92/* Allocate queues for the LAN VSIs, or X722 VF VSIs */
93int ixl_pf_qmgr_alloc_contiguous(struct ixl_pf_qmgr *qmgr, u16 num, struct ixl_pf_qtag *qtag);
94/* Release a queue allocation */
95int ixl_pf_qmgr_release(struct ixl_pf_qmgr *qmgr, struct ixl_pf_qtag *qtag);
96
97/* Help manage queues used in VFs */
98/* Typically hardware refers to RX as 0 and TX as 1, so continue that convention here */
99void ixl_pf_qmgr_mark_queue_enabled(struct ixl_pf_qtag *qtag, u16 vsi_qidx, bool tx);
100void ixl_pf_qmgr_mark_queue_disabled(struct ixl_pf_qtag *qtag, u16 vsi_qidx, bool tx);
101void ixl_pf_qmgr_mark_queue_configured(struct ixl_pf_qtag *qtag, u16 vsi_qidx, bool tx);
102bool ixl_pf_qmgr_is_queue_enabled(struct ixl_pf_qtag *qtag, u16 vsi_qidx, bool tx);
103bool ixl_pf_qmgr_is_queue_configured(struct ixl_pf_qtag *qtag, u16 vsi_qidx, bool tx);
104
105/* Public tag functions */
106u16 ixl_pf_qidx_from_vsi_qidx(struct ixl_pf_qtag *qtag, u16 index);
107
108#endif /* _IXL_PF_QMGR_H_ */
109
|