From 61ddb0d8f200af2da56f0922ffabfa7c5627ad15 Mon Sep 17 00:00:00 2001 From: Christian Gromm Date: Mon, 23 Jan 2017 11:40:19 +0100 Subject: update driver package This patch updates the driver package to v1.4.0-stable. Change-Id: I8cb5f5287c49ea7fc178816d3713099a6e3079a8 Signed-off-by: Christian Gromm --- driver/mostcore/core.c | 97 ++++++++++++++++++++++++++------------------------ 1 file changed, 51 insertions(+), 46 deletions(-) (limited to 'driver/mostcore/core.c') diff --git a/driver/mostcore/core.c b/driver/mostcore/core.c index 81dbac9..4c580d1 100644 --- a/driver/mostcore/core.c +++ b/driver/mostcore/core.c @@ -51,7 +51,7 @@ struct most_c_obj { u16 channel_id; bool is_poisoned; struct mutex start_mutex; - struct mutex nq_mutex; + struct mutex nq_mutex; /* nq thread synchronization */ int is_starving; struct most_interface *iface; struct most_inst_obj *inst; @@ -83,10 +83,13 @@ struct most_inst_obj { static const struct { int most_ch_data_type; char *name; -} ch_data_type[] = { { MOST_CH_CONTROL, "control\n" }, +} ch_data_type[] = { + { MOST_CH_CONTROL, "control\n" }, { MOST_CH_ASYNC, "async\n" }, { MOST_CH_SYNC, "sync\n" }, - { MOST_CH_ISOC_AVP, "isoc_avp\n"} }; + { MOST_CH_ISOC, "isoc\n"}, + { MOST_CH_ISOC, "isoc_avp\n"}, +}; #define to_inst_obj(d) container_of(d, struct most_inst_obj, kobj) @@ -261,11 +264,11 @@ static ssize_t show_available_directions(struct most_c_obj *c, strcpy(buf, ""); if (c->iface->channel_vector[i].direction & MOST_CH_RX) - strcat(buf, "dir_rx "); + strcat(buf, "rx "); if (c->iface->channel_vector[i].direction & MOST_CH_TX) - strcat(buf, "dir_tx "); + strcat(buf, "tx "); strcat(buf, "\n"); - return strlen(buf) + 1; + return strlen(buf); } static ssize_t show_available_datatypes(struct most_c_obj *c, @@ -281,10 +284,10 @@ static ssize_t show_available_datatypes(struct most_c_obj *c, strcat(buf, "async "); if (c->iface->channel_vector[i].data_type & MOST_CH_SYNC) strcat(buf, "sync "); - if (c->iface->channel_vector[i].data_type & MOST_CH_ISOC_AVP) - strcat(buf, "isoc_avp "); + if (c->iface->channel_vector[i].data_type & MOST_CH_ISOC) + strcat(buf, "isoc "); strcat(buf, "\n"); - return strlen(buf) + 1; + return strlen(buf); } static @@ -392,9 +395,9 @@ static ssize_t show_set_direction(struct most_c_obj *c, char *buf) { if (c->cfg.direction & MOST_CH_TX) - return snprintf(buf, PAGE_SIZE, "dir_tx\n"); + return snprintf(buf, PAGE_SIZE, "tx\n"); else if (c->cfg.direction & MOST_CH_RX) - return snprintf(buf, PAGE_SIZE, "dir_rx\n"); + return snprintf(buf, PAGE_SIZE, "rx\n"); return snprintf(buf, PAGE_SIZE, "unconfigured\n"); } @@ -405,8 +408,12 @@ static ssize_t store_set_direction(struct most_c_obj *c, { if (!strcmp(buf, "dir_rx\n")) { c->cfg.direction = MOST_CH_RX; + } else if (!strcmp(buf, "rx\n")) { + c->cfg.direction = MOST_CH_RX; } else if (!strcmp(buf, "dir_tx\n")) { c->cfg.direction = MOST_CH_TX; + } else if (!strcmp(buf, "tx\n")) { + c->cfg.direction = MOST_CH_TX; } else { pr_info("WARN: invalid attribute settings\n"); return -EINVAL; @@ -756,8 +763,6 @@ struct most_aim_obj { struct kobject kobj; struct list_head list; struct most_aim *driver; - char add_link[STRING_SIZE]; - char remove_link[STRING_SIZE]; }; #define to_aim_obj(d) container_of(d, struct most_aim_obj, kobj) @@ -848,7 +853,23 @@ static ssize_t show_add_link(struct most_aim_obj *aim_obj, struct most_aim_attribute *attr, char *buf) { - return snprintf(buf, PAGE_SIZE, "%s\n", aim_obj->add_link); + struct most_c_obj *c; + struct most_inst_obj *i; + int offs = 0; + + list_for_each_entry(i, &instance_list, list) { + list_for_each_entry(c, &i->channel_list, list) { + if (c->aim0.ptr == aim_obj->driver || + c->aim1.ptr == aim_obj->driver) { + offs += snprintf(buf + offs, PAGE_SIZE - offs, + "%s:%s\n", + kobject_name(&i->kobj), + kobject_name(&c->kobj)); + } + } + } + + return offs; } /** @@ -862,16 +883,16 @@ static ssize_t show_add_link(struct most_aim_obj *aim_obj, * * Examples: * - * Input: "mdev0:ch0@ep_81:my_channel\n" or - * "mdev0:ch0@ep_81:my_channel" + * Input: "mdev0:ch6:my_channel\n" or + * "mdev0:ch6:my_channel" * - * Output: *a -> "mdev0", *b -> "ch0@ep_81", *c -> "my_channel" + * Output: *a -> "mdev0", *b -> "ch6", *c -> "my_channel" * - * Input: "mdev0:ch0@ep_81\n" - * Output: *a -> "mdev0", *b -> "ch0@ep_81", *c -> "" + * Input: "mdev1:ep81\n" + * Output: *a -> "mdev1", *b -> "ep81", *c -> "" * - * Input: "mdev0:ch0@ep_81" - * Output: *a -> "mdev0", *b -> "ch0@ep_81", *c == NULL + * Input: "mdev1:ep81" + * Output: *a -> "mdev1", *b -> "ep81", *c == NULL */ static int split_string(char *buf, char **a, char **b, char **c) { @@ -939,11 +960,11 @@ most_c_obj *get_channel_by_name(char *mdev, char *mdev_ch) * Searches for a pair of device and channel and probes the AIM * * Example: - * (1) echo -n -e "mdev0:ch0@ep_81:my_rxchannel\n" >add_link - * (2) echo -n -e "mdev0:ch0@ep_81\n" >add_link + * (1) echo "mdev0:ch6:my_rxchannel" >add_link + * (2) echo "mdev1:ep81" >add_link * * (1) would create the device node /dev/my_rxchannel - * (2) would create the device node /dev/mdev0-ch0@ep_81 + * (2) would create the device node /dev/mdev1-ep81 */ static ssize_t store_add_link(struct most_aim_obj *aim_obj, struct most_aim_attribute *attr, @@ -961,7 +982,6 @@ static ssize_t store_add_link(struct most_aim_obj *aim_obj, size_t max_len = min_t(size_t, len + 1, STRING_SIZE); strlcpy(buffer, buf, max_len); - strlcpy(aim_obj->add_link, buf, max_len); ret = split_string(buffer, &mdev, &mdev_ch, &mdev_devnod); if (ret) @@ -998,13 +1018,6 @@ static ssize_t store_add_link(struct most_aim_obj *aim_obj, static struct most_aim_attribute most_aim_attr_add_link = __ATTR(add_link, S_IRUGO | S_IWUSR, show_add_link, store_add_link); -static ssize_t show_remove_link(struct most_aim_obj *aim_obj, - struct most_aim_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%s\n", aim_obj->remove_link); -} - /** * store_remove_link - store function for remove_link attribute * @aim_obj: pointer to AIM object @@ -1013,7 +1026,7 @@ static ssize_t show_remove_link(struct most_aim_obj *aim_obj, * @len: buffer length * * Example: - * echo -n -e "mdev0:ch0@ep_81\n" >remove_link + * echo "mdev0:ep81" >remove_link */ static ssize_t store_remove_link(struct most_aim_obj *aim_obj, struct most_aim_attribute *attr, @@ -1028,7 +1041,6 @@ static ssize_t store_remove_link(struct most_aim_obj *aim_obj, size_t max_len = min_t(size_t, len + 1, STRING_SIZE); strlcpy(buffer, buf, max_len); - strlcpy(aim_obj->remove_link, buf, max_len); ret = split_string(buffer, &mdev, &mdev_ch, NULL); if (ret) return ret; @@ -1047,8 +1059,7 @@ static ssize_t store_remove_link(struct most_aim_obj *aim_obj, } static struct most_aim_attribute most_aim_attr_remove_link = - __ATTR(remove_link, S_IRUGO | S_IWUSR, show_remove_link, - store_remove_link); + __ATTR(remove_link, S_IWUSR, NULL, store_remove_link); static struct attribute *most_aim_def_attrs[] = { &most_aim_attr_add_link.attr, @@ -1307,17 +1318,14 @@ _exit: /** * most_submit_mbo - submits an MBO to fifo * @mbo: pointer to the MBO - * */ -int most_submit_mbo(struct mbo *mbo) +void most_submit_mbo(struct mbo *mbo) { - if (unlikely((!mbo) || (!mbo->context))) { - pr_err("Bad MBO or missing channel reference\n"); - return -EINVAL; - } + if (WARN_ONCE(!mbo || !mbo->context, + "bad mbo or missing channel reference\n")) + return; nq_hdm_mbo(mbo); - return 0; } EXPORT_SYMBOL_GPL(most_submit_mbo); @@ -1741,9 +1749,6 @@ struct kobject *most_register_interface(struct most_interface *iface) if (!name_suffix) snprintf(channel_name, STRING_SIZE, "ch%d", i); - else if (name_suffix[0] == '@') - snprintf(channel_name, STRING_SIZE, "ch%d%s", i, - name_suffix); else snprintf(channel_name, STRING_SIZE, "%s", name_suffix); -- cgit 1.2.3-korg