net/sfc: support regioned NIC DMA memory mapping type
[dpdk.git] / drivers / net / sfc / sfc_mcdi.c
1 /* SPDX-License-Identifier: BSD-3-Clause
2  *
3  * Copyright(c) 2019-2021 Xilinx, Inc.
4  * Copyright(c) 2016-2019 Solarflare Communications Inc.
5  *
6  * This software was jointly developed between OKTET Labs (under contract
7  * for Solarflare) and Solarflare Communications, Inc.
8  */
9
10 #include "sfc_efx_mcdi.h"
11
12 #include "sfc.h"
13 #include "sfc_debug.h"
14 #include "sfc_log.h"
15 #include "sfc_ev.h"
16
17 static sfc_efx_mcdi_dma_alloc_cb sfc_mcdi_dma_alloc;
18 static int
19 sfc_mcdi_dma_alloc(void *cookie, const char *name, size_t len,
20                    efsys_mem_t *esmp)
21 {
22         struct sfc_adapter *sa = cookie;
23
24         return sfc_dma_alloc(sa, name, 0, EFX_NIC_DMA_ADDR_MCDI_BUF, len,
25                              sa->socket_id, esmp);
26 }
27
28 static sfc_efx_mcdi_dma_free_cb sfc_mcdi_dma_free;
29 static void
30 sfc_mcdi_dma_free(void *cookie, efsys_mem_t *esmp)
31 {
32         const struct sfc_adapter *sa = cookie;
33
34         sfc_dma_free(sa, esmp);
35 }
36
37 static sfc_efx_mcdi_sched_restart_cb sfc_mcdi_sched_restart;
38 static void
39 sfc_mcdi_sched_restart(void *cookie)
40 {
41         struct sfc_adapter *sa = cookie;
42
43         sfc_schedule_restart(sa);
44 }
45
46 static sfc_efx_mcdi_mgmt_evq_poll_cb sfc_mcdi_mgmt_evq_poll;
47 static void
48 sfc_mcdi_mgmt_evq_poll(void *cookie)
49 {
50         struct sfc_adapter *sa = cookie;
51
52         sfc_ev_mgmt_qpoll(sa);
53 }
54
55 static const struct sfc_efx_mcdi_ops sfc_mcdi_ops = {
56         .dma_alloc      = sfc_mcdi_dma_alloc,
57         .dma_free       = sfc_mcdi_dma_free,
58         .sched_restart  = sfc_mcdi_sched_restart,
59         .mgmt_evq_poll  = sfc_mcdi_mgmt_evq_poll,
60 };
61
62 int
63 sfc_mcdi_init(struct sfc_adapter *sa)
64 {
65         uint32_t logtype;
66
67         sfc_log_init(sa, "entry");
68
69         logtype = sfc_register_logtype(&sa->priv.shared->pci_addr,
70                                        SFC_LOGTYPE_MCDI_STR,
71                                        RTE_LOG_NOTICE);
72
73         return sfc_efx_mcdi_init(&sa->mcdi, logtype,
74                                  sa->priv.shared->log_prefix, sa->nic,
75                                  &sfc_mcdi_ops, sa);
76 }
77
78 void
79 sfc_mcdi_fini(struct sfc_adapter *sa)
80 {
81         sfc_log_init(sa, "entry");
82         sfc_efx_mcdi_fini(&sa->mcdi);
83 }