1 /* SPDX-License-Identifier: BSD-3-Clause */
2 /* Copyright(c) 2007-2022 Intel Corporation */
3 /* $FreeBSD$ */
4 #include "qat_freebsd.h"
5 #include "adf_common_drv.h"
6 #include "adf_cfg_device.h"
7 #include "adf_cfg_dev_dbg.h"
8 #include <sys/bus.h>
9 #include <sys/libkern.h>
10 #include <sys/lock.h>
11 #include <sys/kernel.h>
12 #include <sys/sbuf.h>
13 #include <sys/sx.h>
14 #include <sys/systm.h>
15 #include <sys/malloc.h>
16 
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 	sbuf_new_for_sysctl(&sb, NULL, 128, req);
26 	dev_cfg = arg1;
27 	sx_slock(&dev_cfg->lock);
28 	list_for_each_entry(sec, &dev_cfg->sec_list, list)
29 	{
30 		sbuf_printf(&sb, "[%s]\n", sec->name);
31 		list_for_each_entry(ptr, &sec->param_head, list)
32 		{
33 			sbuf_printf(&sb, "%s = %s\n", ptr->key, ptr->val);
34 		}
35 	}
36 	sx_sunlock(&dev_cfg->lock);
37 	error = sbuf_finish(&sb);
38 	sbuf_delete(&sb);
39 	return error;
40 }
41 
42 int
43 adf_cfg_dev_dbg_add(struct adf_accel_dev *accel_dev)
44 {
45 	struct adf_cfg_device_data *dev_cfg_data = accel_dev->cfg;
46 	device_t dev;
47 
48 	dev = GET_DEV(accel_dev);
49 	dev_cfg_data->debug =
50 	    SYSCTL_ADD_PROC(device_get_sysctl_ctx(dev),
51 			    SYSCTL_CHILDREN(device_get_sysctl_tree(dev)),
52 			    OID_AUTO,
53 			    "dev_cfg",
54 			    CTLFLAG_RD | CTLTYPE_STRING,
55 			    dev_cfg_data,
56 			    0,
57 			    qat_dev_cfg_show,
58 			    "A",
59 			    "Device configuration");
60 
61 	if (!dev_cfg_data->debug) {
62 		device_printf(dev, "Failed to create qat cfg sysctl.\n");
63 		return ENXIO;
64 	}
65 	return 0;
66 }
67 
68 void
69 adf_cfg_dev_dbg_remove(struct adf_accel_dev *accel_dev)
70 {
71 	struct adf_cfg_device_data *dev_cfg_data = accel_dev->cfg;
72 
73 	if (dev_cfg_data->dev) {
74 		adf_cfg_device_clear(dev_cfg_data->dev, accel_dev);
75 		free(dev_cfg_data->dev, M_QAT);
76 		dev_cfg_data->dev = NULL;
77 	}
78 }
79