xref: /freebsd/sys/dev/ixgbe/ixgbe_sriov.h (revision 2008043f386721d58158e37e0d7e50df8095942d)
1 /******************************************************************************
2 
3   Copyright (c) 2001-2020, 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 
34 
35 #ifndef _IXGBE_SRIOV_H_
36 #define _IXGBE_SRIOV_H_
37 
38 #ifdef PCI_IOV
39 
40 #include <sys/nv.h>
41 #include <sys/iov_schema.h>
42 #include <dev/pci/pci_iov.h>
43 #include <net/iflib.h>
44 #include "ixgbe_mbx.h"
45 
46 #define IXGBE_VF_CTS            (1 << 0) /* VF is clear to send. */
47 #define IXGBE_VF_CAP_MAC        (1 << 1) /* VF is permitted to change MAC. */
48 #define IXGBE_VF_CAP_VLAN       (1 << 2) /* VF is permitted to join vlans. */
49 #define IXGBE_VF_ACTIVE         (1 << 3) /* VF is active. */
50 #define IXGBE_VF_INDEX(vmdq)    ((vmdq) / 32)
51 #define IXGBE_VF_BIT(vmdq)      (1 << ((vmdq) % 32))
52 
53 #define IXGBE_VT_MSG_MASK	0xFFFF
54 
55 #define IXGBE_VT_MSGINFO(msg)	\
56 	(((msg) & IXGBE_VT_MSGINFO_MASK) >> IXGBE_VT_MSGINFO_SHIFT)
57 
58 #define IXGBE_VF_GET_QUEUES_RESP_LEN	5
59 
60 #define IXGBE_API_VER_1_0	0
61 #define IXGBE_API_VER_2_0	1	/* Solaris API.  Not supported. */
62 #define IXGBE_API_VER_1_1	2
63 #define IXGBE_API_VER_UNKNOWN	UINT16_MAX
64 
65 #define IXGBE_NO_VM             0
66 #define IXGBE_32_VM             32
67 #define IXGBE_64_VM             64
68 
69 int  ixgbe_if_iov_vf_add(if_ctx_t, u16, const nvlist_t *);
70 int  ixgbe_if_iov_init(if_ctx_t, u16, const nvlist_t *);
71 void ixgbe_if_iov_uninit(if_ctx_t);
72 void ixgbe_initialize_iov(struct ixgbe_softc *);
73 void ixgbe_recalculate_max_frame(struct ixgbe_softc *);
74 void ixgbe_ping_all_vfs(struct ixgbe_softc *);
75 int  ixgbe_pci_iov_detach(device_t);
76 void ixgbe_define_iov_schemas(device_t, int *);
77 void ixgbe_align_all_queue_indices(struct ixgbe_softc *);
78 int  ixgbe_vf_que_index(int, int, int);
79 u32  ixgbe_get_mtqc(int);
80 u32  ixgbe_get_mrqc(int);
81 
82 /******************************************************************************/
83 #else  /* PCI_IOV */
84 /******************************************************************************/
85 
86 #define ixgbe_add_vf(_a,_b,_c)
87 #define ixgbe_init_iov(_a,_b,_c)
88 #define ixgbe_uninit_iov(_a)
89 #define ixgbe_initialize_iov(_a)
90 #define ixgbe_recalculate_max_frame(_a)
91 #define ixgbe_ping_all_vfs(_a)
92 #define ixgbe_pci_iov_detach(_a) 0
93 #define ixgbe_define_iov_schemas(_a,_b)
94 #define ixgbe_align_all_queue_indices(_a)
95 #define ixgbe_vf_que_index(_a, _b, _c) (_c)
96 #define ixgbe_get_mtqc(_a) IXGBE_MTQC_64Q_1PB
97 #define ixgbe_get_mrqc(_a) 0
98 
99 #endif /* PCI_IOV */
100 
101 void ixgbe_if_init(if_ctx_t ctx);
102 void ixgbe_handle_mbx(void *);
103 
104 #endif
105