^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * configfs.c - Implementation of configfs interface to the driver stack
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2013-2015 Microchip Technology Germany II GmbH & Co. KG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/configfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/most.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #define MAX_STRING_SIZE 80
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) struct mdev_link {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) struct config_item item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) bool create_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) bool destroy_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) u16 num_buffers;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) u16 buffer_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) u16 subbuffer_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) u16 packets_per_xact;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) u16 dbr_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) char datatype[MAX_STRING_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) char direction[MAX_STRING_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) char name[MAX_STRING_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) char device[MAX_STRING_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) char channel[MAX_STRING_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) char comp[MAX_STRING_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) char comp_params[MAX_STRING_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) static struct list_head mdev_link_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) static int set_cfg_buffer_size(struct mdev_link *link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) return most_set_cfg_buffer_size(link->device, link->channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) link->buffer_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) static int set_cfg_subbuffer_size(struct mdev_link *link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) return most_set_cfg_subbuffer_size(link->device, link->channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) link->subbuffer_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) static int set_cfg_dbr_size(struct mdev_link *link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) return most_set_cfg_dbr_size(link->device, link->channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) link->dbr_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) static int set_cfg_num_buffers(struct mdev_link *link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) return most_set_cfg_num_buffers(link->device, link->channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) link->num_buffers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static int set_cfg_packets_xact(struct mdev_link *link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) return most_set_cfg_packets_xact(link->device, link->channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) link->packets_per_xact);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) static int set_cfg_direction(struct mdev_link *link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) return most_set_cfg_direction(link->device, link->channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) link->direction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static int set_cfg_datatype(struct mdev_link *link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) return most_set_cfg_datatype(link->device, link->channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) link->datatype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) static int (*set_config_val[])(struct mdev_link *link) = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) set_cfg_buffer_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) set_cfg_subbuffer_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) set_cfg_dbr_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) set_cfg_num_buffers,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) set_cfg_packets_xact,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) set_cfg_direction,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) set_cfg_datatype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) static struct mdev_link *to_mdev_link(struct config_item *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) return container_of(item, struct mdev_link, item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) static int set_config_and_add_link(struct mdev_link *mdev_link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) for (i = 0; i < ARRAY_SIZE(set_config_val); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) ret = set_config_val[i](mdev_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) if (ret < 0 && ret != -ENODEV) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) pr_err("Config failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) return most_add_link(mdev_link->device, mdev_link->channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) mdev_link->comp, mdev_link->name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) mdev_link->comp_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) static ssize_t mdev_link_create_link_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) bool tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) ret = kstrtobool(page, &tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) if (!tmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) ret = set_config_and_add_link(mdev_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) if (ret && ret != -ENODEV)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) list_add_tail(&mdev_link->list, &mdev_link_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) mdev_link->create_link = tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) mdev_link->destroy_link = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static ssize_t mdev_link_destroy_link_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) bool tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) ret = kstrtobool(page, &tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) if (!tmp)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) ret = most_remove_link(mdev_link->device, mdev_link->channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) mdev_link->comp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) if (!list_empty(&mdev_link_list))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) list_del(&mdev_link->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) mdev_link->destroy_link = tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) static ssize_t mdev_link_direction_show(struct config_item *item, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) return snprintf(page, PAGE_SIZE, "%s\n", to_mdev_link(item)->direction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) static ssize_t mdev_link_direction_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) if (!sysfs_streq(page, "dir_rx") && !sysfs_streq(page, "rx") &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) !sysfs_streq(page, "dir_tx") && !sysfs_streq(page, "tx"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) strcpy(mdev_link->direction, page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) strim(mdev_link->direction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) static ssize_t mdev_link_datatype_show(struct config_item *item, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) return snprintf(page, PAGE_SIZE, "%s\n", to_mdev_link(item)->datatype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) static ssize_t mdev_link_datatype_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) if (!sysfs_streq(page, "control") && !sysfs_streq(page, "async") &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) !sysfs_streq(page, "sync") && !sysfs_streq(page, "isoc") &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) !sysfs_streq(page, "isoc_avp"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) strcpy(mdev_link->datatype, page);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) strim(mdev_link->datatype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) static ssize_t mdev_link_device_show(struct config_item *item, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) return snprintf(page, PAGE_SIZE, "%s\n", to_mdev_link(item)->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) static ssize_t mdev_link_device_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) strlcpy(mdev_link->device, page, sizeof(mdev_link->device));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) strim(mdev_link->device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) static ssize_t mdev_link_channel_show(struct config_item *item, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) return snprintf(page, PAGE_SIZE, "%s\n", to_mdev_link(item)->channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) static ssize_t mdev_link_channel_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) strlcpy(mdev_link->channel, page, sizeof(mdev_link->channel));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) strim(mdev_link->channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) static ssize_t mdev_link_comp_show(struct config_item *item, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) return snprintf(page, PAGE_SIZE, "%s\n", to_mdev_link(item)->comp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) static ssize_t mdev_link_comp_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) strlcpy(mdev_link->comp, page, sizeof(mdev_link->comp));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) strim(mdev_link->comp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) static ssize_t mdev_link_comp_params_show(struct config_item *item, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) return snprintf(page, PAGE_SIZE, "%s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) to_mdev_link(item)->comp_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) static ssize_t mdev_link_comp_params_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) strlcpy(mdev_link->comp_params, page, sizeof(mdev_link->comp_params));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) strim(mdev_link->comp_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) static ssize_t mdev_link_num_buffers_show(struct config_item *item, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) return snprintf(page, PAGE_SIZE, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) to_mdev_link(item)->num_buffers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) static ssize_t mdev_link_num_buffers_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) ret = kstrtou16(page, 0, &mdev_link->num_buffers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) static ssize_t mdev_link_buffer_size_show(struct config_item *item, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) return snprintf(page, PAGE_SIZE, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) to_mdev_link(item)->buffer_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) static ssize_t mdev_link_buffer_size_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) ret = kstrtou16(page, 0, &mdev_link->buffer_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) static ssize_t mdev_link_subbuffer_size_show(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) return snprintf(page, PAGE_SIZE, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) to_mdev_link(item)->subbuffer_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) static ssize_t mdev_link_subbuffer_size_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) ret = kstrtou16(page, 0, &mdev_link->subbuffer_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) static ssize_t mdev_link_packets_per_xact_show(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) return snprintf(page, PAGE_SIZE, "%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) to_mdev_link(item)->packets_per_xact);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) static ssize_t mdev_link_packets_per_xact_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) ret = kstrtou16(page, 0, &mdev_link->packets_per_xact);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) static ssize_t mdev_link_dbr_size_show(struct config_item *item, char *page)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) return snprintf(page, PAGE_SIZE, "%d\n", to_mdev_link(item)->dbr_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) static ssize_t mdev_link_dbr_size_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) ret = kstrtou16(page, 0, &mdev_link->dbr_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) CONFIGFS_ATTR_WO(mdev_link_, create_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) CONFIGFS_ATTR_WO(mdev_link_, destroy_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) CONFIGFS_ATTR(mdev_link_, device);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) CONFIGFS_ATTR(mdev_link_, channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) CONFIGFS_ATTR(mdev_link_, comp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) CONFIGFS_ATTR(mdev_link_, comp_params);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) CONFIGFS_ATTR(mdev_link_, num_buffers);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) CONFIGFS_ATTR(mdev_link_, buffer_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) CONFIGFS_ATTR(mdev_link_, subbuffer_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) CONFIGFS_ATTR(mdev_link_, packets_per_xact);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) CONFIGFS_ATTR(mdev_link_, datatype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) CONFIGFS_ATTR(mdev_link_, direction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) CONFIGFS_ATTR(mdev_link_, dbr_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) static struct configfs_attribute *mdev_link_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) &mdev_link_attr_create_link,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) &mdev_link_attr_destroy_link,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) &mdev_link_attr_device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) &mdev_link_attr_channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) &mdev_link_attr_comp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) &mdev_link_attr_comp_params,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) &mdev_link_attr_num_buffers,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) &mdev_link_attr_buffer_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) &mdev_link_attr_subbuffer_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) &mdev_link_attr_packets_per_xact,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) &mdev_link_attr_datatype,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) &mdev_link_attr_direction,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) &mdev_link_attr_dbr_size,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) static void mdev_link_release(struct config_item *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) struct mdev_link *mdev_link = to_mdev_link(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) if (mdev_link->destroy_link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) goto free_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) ret = most_remove_link(mdev_link->device, mdev_link->channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) mdev_link->comp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) pr_err("Removing link failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) goto free_item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) if (!list_empty(&mdev_link_list))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) list_del(&mdev_link->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) free_item:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) kfree(to_mdev_link(item));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) static struct configfs_item_operations mdev_link_item_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) .release = mdev_link_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) static const struct config_item_type mdev_link_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) .ct_item_ops = &mdev_link_item_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) .ct_attrs = mdev_link_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) .ct_owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) struct most_common {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) struct config_group group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) struct module *mod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) struct configfs_subsystem subsys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) static struct most_common *to_most_common(struct configfs_subsystem *subsys)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) return container_of(subsys, struct most_common, subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) static struct config_item *most_common_make_item(struct config_group *group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) struct mdev_link *mdev_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) struct most_common *mc = to_most_common(group->cg_subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) mdev_link = kzalloc(sizeof(*mdev_link), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 430) if (!mdev_link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 431) return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 432)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) if (!try_module_get(mc->mod)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) kfree(mdev_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) return ERR_PTR(-ENOLCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) config_item_init_type_name(&mdev_link->item, name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) &mdev_link_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) if (!strcmp(group->cg_item.ci_namebuf, "most_cdev"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) strcpy(mdev_link->comp, "cdev");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) else if (!strcmp(group->cg_item.ci_namebuf, "most_net"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) strcpy(mdev_link->comp, "net");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) else if (!strcmp(group->cg_item.ci_namebuf, "most_video"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) strcpy(mdev_link->comp, "video");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) strcpy(mdev_link->name, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) return &mdev_link->item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) static void most_common_release(struct config_item *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) struct config_group *group = to_config_group(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) kfree(to_most_common(group->cg_subsys));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) static struct configfs_item_operations most_common_item_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) .release = most_common_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) static void most_common_disconnect(struct config_group *group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) struct config_item *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) struct most_common *mc = to_most_common(group->cg_subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) module_put(mc->mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) static struct configfs_group_operations most_common_group_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) .make_item = most_common_make_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) .disconnect_notify = most_common_disconnect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) static const struct config_item_type most_common_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) .ct_item_ops = &most_common_item_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) .ct_group_ops = &most_common_group_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) .ct_owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) static struct most_common most_cdev = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) .subsys = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) .su_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) .cg_item = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) .ci_namebuf = "most_cdev",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) .ci_type = &most_common_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) static struct most_common most_net = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) .subsys = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) .su_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) .cg_item = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) .ci_namebuf = "most_net",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) .ci_type = &most_common_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) static struct most_common most_video = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) .subsys = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) .su_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) .cg_item = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) .ci_namebuf = "most_video",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) .ci_type = &most_common_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) struct most_snd_grp {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) struct config_group group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) bool create_card;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) static struct most_snd_grp *to_most_snd_grp(struct config_item *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) return container_of(to_config_group(item), struct most_snd_grp, group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) static struct config_item *most_snd_grp_make_item(struct config_group *group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525) const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) struct mdev_link *mdev_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) mdev_link = kzalloc(sizeof(*mdev_link), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530) if (!mdev_link)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) config_item_init_type_name(&mdev_link->item, name, &mdev_link_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) mdev_link->create_link = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) strcpy(mdev_link->name, name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536) strcpy(mdev_link->comp, "sound");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) return &mdev_link->item;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 540) static ssize_t most_snd_grp_create_card_store(struct config_item *item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 541) const char *page, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 542) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) struct most_snd_grp *snd_grp = to_most_snd_grp(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) bool tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) ret = kstrtobool(page, &tmp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) if (tmp) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) ret = most_cfg_complete("sound");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555) snd_grp->create_card = tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559) CONFIGFS_ATTR_WO(most_snd_grp_, create_card);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) static struct configfs_attribute *most_snd_grp_attrs[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) &most_snd_grp_attr_create_card,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566) static void most_snd_grp_release(struct config_item *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) struct most_snd_grp *group = to_most_snd_grp(item);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) list_del(&group->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) kfree(group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 572) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 573)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 574) static struct configfs_item_operations most_snd_grp_item_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) .release = most_snd_grp_release,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) static struct configfs_group_operations most_snd_grp_group_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) .make_item = most_snd_grp_make_item,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582) static const struct config_item_type most_snd_grp_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) .ct_item_ops = &most_snd_grp_item_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) .ct_group_ops = &most_snd_grp_group_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) .ct_attrs = most_snd_grp_attrs,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) .ct_owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) struct most_sound {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) struct configfs_subsystem subsys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) struct list_head soundcard_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) struct module *mod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) static struct config_group *most_sound_make_group(struct config_group *group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) const char *name)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) struct most_snd_grp *most;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) struct most_sound *ms = container_of(group->cg_subsys,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) struct most_sound, subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) list_for_each_entry(most, &ms->soundcard_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) if (!most->create_card) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) pr_info("adapter configuration still in progress.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) return ERR_PTR(-EPROTO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608) if (!try_module_get(ms->mod))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) return ERR_PTR(-ENOLCK);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) most = kzalloc(sizeof(*most), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) if (!most) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) module_put(ms->mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613) return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) config_group_init_type_name(&most->group, name, &most_snd_grp_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) list_add_tail(&most->list, &ms->soundcard_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) return &most->group;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) static void most_sound_disconnect(struct config_group *group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621) struct config_item *item)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) struct most_sound *ms = container_of(group->cg_subsys,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) struct most_sound, subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) module_put(ms->mod);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628) static struct configfs_group_operations most_sound_group_ops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) .make_group = most_sound_make_group,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) .disconnect_notify = most_sound_disconnect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) static const struct config_item_type most_sound_type = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) .ct_group_ops = &most_sound_group_ops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) .ct_owner = THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638) static struct most_sound most_sound_subsys = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) .subsys = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640) .su_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) .cg_item = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) .ci_namebuf = "most_sound",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) .ci_type = &most_sound_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) int most_register_configfs_subsys(struct most_component *c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653) if (!strcmp(c->name, "cdev")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) most_cdev.mod = c->mod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655) ret = configfs_register_subsystem(&most_cdev.subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) } else if (!strcmp(c->name, "net")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) most_net.mod = c->mod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) ret = configfs_register_subsystem(&most_net.subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) } else if (!strcmp(c->name, "video")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) most_video.mod = c->mod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) ret = configfs_register_subsystem(&most_video.subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 662) } else if (!strcmp(c->name, "sound")) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 663) most_sound_subsys.mod = c->mod;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 664) ret = configfs_register_subsystem(&most_sound_subsys.subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) pr_err("Error %d while registering subsystem %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) ret, c->name);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) EXPORT_SYMBOL_GPL(most_register_configfs_subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677) void most_interface_register_notify(const char *mdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) bool register_snd_card = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680) struct mdev_link *mdev_link;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) list_for_each_entry(mdev_link, &mdev_link_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683) if (!strcmp(mdev_link->device, mdev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) set_config_and_add_link(mdev_link);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) if (!strcmp(mdev_link->comp, "sound"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) register_snd_card = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) if (register_snd_card)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690) most_cfg_complete("sound");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 692)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 693) void most_deregister_configfs_subsys(struct most_component *c)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 694) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) if (!strcmp(c->name, "cdev"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) configfs_unregister_subsystem(&most_cdev.subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) else if (!strcmp(c->name, "net"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) configfs_unregister_subsystem(&most_net.subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) else if (!strcmp(c->name, "video"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) configfs_unregister_subsystem(&most_video.subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) else if (!strcmp(c->name, "sound"))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) configfs_unregister_subsystem(&most_sound_subsys.subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) EXPORT_SYMBOL_GPL(most_deregister_configfs_subsys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) int __init configfs_init(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) config_group_init(&most_cdev.subsys.su_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709) mutex_init(&most_cdev.subsys.su_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) config_group_init(&most_net.subsys.su_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712) mutex_init(&most_net.subsys.su_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) config_group_init(&most_video.subsys.su_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) mutex_init(&most_video.subsys.su_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717) config_group_init(&most_sound_subsys.subsys.su_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) mutex_init(&most_sound_subsys.subsys.su_mutex);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) INIT_LIST_HEAD(&most_sound_subsys.soundcard_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) INIT_LIST_HEAD(&mdev_link_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) }
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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