1 /* SPDX-License-Identifier: BSD-3-Clause */
2 /* Copyright(c) 2007-2025 Intel Corporation */
3 #include "qat_freebsd.h"
4 #include "adf_common_drv.h"
5 #include "adf_cfg_device.h"
6 #include "adf_cfg_dev_dbg.h"
7 #include <sys/bus.h>
8 #include <sys/libkern.h>
9 #include <sys/lock.h>
10 #include <sys/kernel.h>
11 #include <sys/sbuf.h>
12 #include <sys/sx.h>
13 #include <sys/systm.h>
14 #include <sys/malloc.h>
15 #include <sys/priv.h>
16
qat_dev_cfg_show(SYSCTL_HANDLER_ARGS)17 static int qat_dev_cfg_show(SYSCTL_HANDLER_ARGS)
18 {
19 struct adf_cfg_device_data *dev_cfg;
20 struct adf_cfg_section *sec;
21 struct adf_cfg_key_val *ptr;
22 struct sbuf sb;
23 int error;
24
25 if (priv_check(curthread, PRIV_DRIVER) != 0)
26 return EPERM;
27
28 sbuf_new_for_sysctl(&sb, NULL, 128, req);
29 dev_cfg = arg1;
30 sx_slock(&dev_cfg->lock);
31 list_for_each_entry(sec, &dev_cfg->sec_list, list)
32 {
33 sbuf_printf(&sb, "[%s]\n", sec->name);
34 list_for_each_entry(ptr, &sec->param_head, list)
35 {
36 sbuf_printf(&sb, "%s = %s\n", ptr->key, ptr->val);
37 }
38 }
39 sx_sunlock(&dev_cfg->lock);
40 error = sbuf_finish(&sb);
41 sbuf_delete(&sb);
42 return error;
43 }
44
45 int
adf_cfg_dev_dbg_add(struct adf_accel_dev * accel_dev)46 adf_cfg_dev_dbg_add(struct adf_accel_dev *accel_dev)
47 {
48 struct adf_cfg_device_data *dev_cfg_data = accel_dev->cfg;
49 device_t dev;
50
51 dev = GET_DEV(accel_dev);
52 dev_cfg_data->debug =
53 SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
54 SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
55 OID_AUTO,
56 "dev_cfg",
57 CTLFLAG_RD | CTLTYPE_STRING,
58 dev_cfg_data,
59 0,
60 qat_dev_cfg_show,
61 "A",
62 "Device configuration");
63
64 if (!dev_cfg_data->debug) {
65 device_printf(dev, "Failed to create qat cfg sysctl.\n");
66 return ENXIO;
67 }
68 return 0;
69 }
70
71 void
adf_cfg_dev_dbg_remove(struct adf_accel_dev * accel_dev)72 adf_cfg_dev_dbg_remove(struct adf_accel_dev *accel_dev)
73 {
74 struct adf_cfg_device_data *dev_cfg_data = accel_dev->cfg;
75
76 if (dev_cfg_data->dev) {
77 adf_cfg_device_clear(dev_cfg_data->dev, accel_dev);
78 free(dev_cfg_data->dev, M_QAT);
79 dev_cfg_data->dev = NULL;
80 }
81 }
82