* PURPOSE. See the GNU General Public License for more details.
*/
-
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/ctype.h>
#include "dgnc_driver.h"
#include "dgnc_mgmt.h"
-
static ssize_t dgnc_driver_version_show(struct device_driver *ddp, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%s\n", DG_PART);
}
static DRIVER_ATTR(version, S_IRUSR, dgnc_driver_version_show, NULL);
-
static ssize_t dgnc_driver_boards_show(struct device_driver *ddp, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", dgnc_NumBoards);
}
static DRIVER_ATTR(boards, S_IRUSR, dgnc_driver_boards_show, NULL);
-
static ssize_t dgnc_driver_maxboards_show(struct device_driver *ddp, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%d\n", MAXBOARDS);
}
static DRIVER_ATTR(maxboards, S_IRUSR, dgnc_driver_maxboards_show, NULL);
-
static ssize_t dgnc_driver_pollrate_show(struct device_driver *ddp, char *buf)
{
return snprintf(buf, PAGE_SIZE, "%dms\n", dgnc_poll_tick);
}
-static ssize_t dgnc_driver_pollrate_store(struct device_driver *ddp, const char *buf, size_t count)
+static ssize_t dgnc_driver_pollrate_store(struct device_driver *ddp,
+ const char *buf, size_t count)
{
+ unsigned long flags;
+ int tick;
int ret;
- ret = sscanf(buf, "%d\n", &dgnc_poll_tick);
+ ret = sscanf(buf, "%d\n", &tick);
if (ret != 1)
return -EINVAL;
+
+ spin_lock_irqsave(&dgnc_poll_lock, flags);
+ dgnc_poll_tick = tick;
+ spin_unlock_irqrestore(&dgnc_poll_lock, flags);
+
return count;
}
-static DRIVER_ATTR(pollrate, (S_IRUSR | S_IWUSR), dgnc_driver_pollrate_show, dgnc_driver_pollrate_store);
-
+static DRIVER_ATTR(pollrate, (S_IRUSR | S_IWUSR), dgnc_driver_pollrate_show,
+ dgnc_driver_pollrate_store);
void dgnc_create_driver_sysfiles(struct pci_driver *dgnc_driver)
{
pr_err("DGNC: sysfs driver_create_file failed!\n");
}
-
void dgnc_remove_driver_sysfiles(struct pci_driver *dgnc_driver)
{
struct device_driver *driverfs = &dgnc_driver->driver;
driver_remove_file(driverfs, &driver_attr_pollrate);
}
-
#define DGNC_VERIFY_BOARD(p, bd) \
do { \
if (!p) \
return 0; \
} while (0)
-
-
-static ssize_t dgnc_vpd_show(struct device *p, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_vpd_show(struct device *p, struct device_attribute *attr,
+ char *buf)
{
struct dgnc_board *bd;
int count = 0;
DGNC_VERIFY_BOARD(p, bd);
- count += sprintf(buf + count, "\n 0 1 2 3 4 5 6 7 8 9 A B C D E F");
+ count += sprintf(buf + count,
+ "\n 0 1 2 3 4 5 6 7 8 9 A B C D E F");
for (i = 0; i < 0x40 * 2; i++) {
if (!(i % 16))
count += sprintf(buf + count, "\n%04X ", i * 2);
}
static DEVICE_ATTR(vpd, S_IRUSR, dgnc_vpd_show, NULL);
-static ssize_t dgnc_serial_number_show(struct device *p, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_serial_number_show(struct device *p,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
int count = 0;
}
static DEVICE_ATTR(serial_number, S_IRUSR, dgnc_serial_number_show, NULL);
-
-static ssize_t dgnc_ports_state_show(struct device *p, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_ports_state_show(struct device *p,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
int count = 0;
}
static DEVICE_ATTR(ports_state, S_IRUSR, dgnc_ports_state_show, NULL);
-
-static ssize_t dgnc_ports_baud_show(struct device *p, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_ports_baud_show(struct device *p,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
int count = 0;
for (i = 0; i < bd->nasync; i++) {
count += snprintf(buf + count, PAGE_SIZE - count,
- "%d %d\n", bd->channels[i]->ch_portnum, bd->channels[i]->ch_old_baud);
+ "%d %d\n", bd->channels[i]->ch_portnum,
+ bd->channels[i]->ch_old_baud);
}
return count;
}
static DEVICE_ATTR(ports_baud, S_IRUSR, dgnc_ports_baud_show, NULL);
-
-static ssize_t dgnc_ports_msignals_show(struct device *p, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_ports_msignals_show(struct device *p,
+ struct device_attribute *attr,
+ char *buf)
{
struct dgnc_board *bd;
int count = 0;
for (i = 0; i < bd->nasync; i++) {
if (bd->channels[i]->ch_open_count) {
count += snprintf(buf + count, PAGE_SIZE - count,
- "%d %s %s %s %s %s %s\n", bd->channels[i]->ch_portnum,
+ "%d %s %s %s %s %s %s\n",
+ bd->channels[i]->ch_portnum,
(bd->channels[i]->ch_mostat & UART_MCR_RTS) ? "RTS" : "",
(bd->channels[i]->ch_mistat & UART_MSR_CTS) ? "CTS" : "",
(bd->channels[i]->ch_mostat & UART_MCR_DTR) ? "DTR" : "",
}
static DEVICE_ATTR(ports_msignals, S_IRUSR, dgnc_ports_msignals_show, NULL);
-
-static ssize_t dgnc_ports_iflag_show(struct device *p, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_ports_iflag_show(struct device *p,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
int count = 0;
for (i = 0; i < bd->nasync; i++) {
count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_c_iflag);
+ bd->channels[i]->ch_portnum,
+ bd->channels[i]->ch_c_iflag);
}
return count;
}
static DEVICE_ATTR(ports_iflag, S_IRUSR, dgnc_ports_iflag_show, NULL);
-
-static ssize_t dgnc_ports_cflag_show(struct device *p, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_ports_cflag_show(struct device *p,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
int count = 0;
for (i = 0; i < bd->nasync; i++) {
count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_c_cflag);
+ bd->channels[i]->ch_portnum,
+ bd->channels[i]->ch_c_cflag);
}
return count;
}
static DEVICE_ATTR(ports_cflag, S_IRUSR, dgnc_ports_cflag_show, NULL);
-
-static ssize_t dgnc_ports_oflag_show(struct device *p, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_ports_oflag_show(struct device *p,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
int count = 0;
for (i = 0; i < bd->nasync; i++) {
count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_c_oflag);
+ bd->channels[i]->ch_portnum,
+ bd->channels[i]->ch_c_oflag);
}
return count;
}
static DEVICE_ATTR(ports_oflag, S_IRUSR, dgnc_ports_oflag_show, NULL);
-
-static ssize_t dgnc_ports_lflag_show(struct device *p, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_ports_lflag_show(struct device *p,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
int count = 0;
for (i = 0; i < bd->nasync; i++) {
count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_c_lflag);
+ bd->channels[i]->ch_portnum,
+ bd->channels[i]->ch_c_lflag);
}
return count;
}
static DEVICE_ATTR(ports_lflag, S_IRUSR, dgnc_ports_lflag_show, NULL);
-
-static ssize_t dgnc_ports_digi_flag_show(struct device *p, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_ports_digi_flag_show(struct device *p,
+ struct device_attribute *attr,
+ char *buf)
{
struct dgnc_board *bd;
int count = 0;
for (i = 0; i < bd->nasync; i++) {
count += snprintf(buf + count, PAGE_SIZE - count, "%d %x\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_digi.digi_flags);
+ bd->channels[i]->ch_portnum,
+ bd->channels[i]->ch_digi.digi_flags);
}
return count;
}
static DEVICE_ATTR(ports_digi_flag, S_IRUSR, dgnc_ports_digi_flag_show, NULL);
-
-static ssize_t dgnc_ports_rxcount_show(struct device *p, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_ports_rxcount_show(struct device *p,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
int count = 0;
for (i = 0; i < bd->nasync; i++) {
count += snprintf(buf + count, PAGE_SIZE - count, "%d %ld\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_rxcount);
+ bd->channels[i]->ch_portnum,
+ bd->channels[i]->ch_rxcount);
}
return count;
}
static DEVICE_ATTR(ports_rxcount, S_IRUSR, dgnc_ports_rxcount_show, NULL);
-
-static ssize_t dgnc_ports_txcount_show(struct device *p, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_ports_txcount_show(struct device *p,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
int count = 0;
for (i = 0; i < bd->nasync; i++) {
count += snprintf(buf + count, PAGE_SIZE - count, "%d %ld\n",
- bd->channels[i]->ch_portnum, bd->channels[i]->ch_txcount);
+ bd->channels[i]->ch_portnum,
+ bd->channels[i]->ch_txcount);
}
return count;
}
static DEVICE_ATTR(ports_txcount, S_IRUSR, dgnc_ports_txcount_show, NULL);
-
/* this function creates the sys files that will export each signal status
* to sysfs each value will be put in a separate filename
*/
int rc = 0;
dev_set_drvdata(&bd->pdev->dev, bd);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_state);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_baud);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_msignals);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_iflag);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_cflag);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_oflag);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_lflag);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_digi_flag);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_rxcount);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_ports_txcount);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_vpd);
- rc |= device_create_file(&(bd->pdev->dev), &dev_attr_serial_number);
+ rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_state);
+ rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_baud);
+ rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_msignals);
+ rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_iflag);
+ rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_cflag);
+ rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_oflag);
+ rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_lflag);
+ rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_digi_flag);
+ rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_rxcount);
+ rc |= device_create_file(&bd->pdev->dev, &dev_attr_ports_txcount);
+ rc |= device_create_file(&bd->pdev->dev, &dev_attr_vpd);
+ rc |= device_create_file(&bd->pdev->dev, &dev_attr_serial_number);
if (rc)
dev_err(&bd->pdev->dev, "dgnc: sysfs device_create_file failed!\n");
}
-
/* removes all the sys files created for that port */
void dgnc_remove_ports_sysfiles(struct dgnc_board *bd)
{
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_state);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_baud);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_msignals);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_iflag);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_cflag);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_oflag);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_lflag);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_digi_flag);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_rxcount);
- device_remove_file(&(bd->pdev->dev), &dev_attr_ports_txcount);
- device_remove_file(&(bd->pdev->dev), &dev_attr_vpd);
- device_remove_file(&(bd->pdev->dev), &dev_attr_serial_number);
+ device_remove_file(&bd->pdev->dev, &dev_attr_ports_state);
+ device_remove_file(&bd->pdev->dev, &dev_attr_ports_baud);
+ device_remove_file(&bd->pdev->dev, &dev_attr_ports_msignals);
+ device_remove_file(&bd->pdev->dev, &dev_attr_ports_iflag);
+ device_remove_file(&bd->pdev->dev, &dev_attr_ports_cflag);
+ device_remove_file(&bd->pdev->dev, &dev_attr_ports_oflag);
+ device_remove_file(&bd->pdev->dev, &dev_attr_ports_lflag);
+ device_remove_file(&bd->pdev->dev, &dev_attr_ports_digi_flag);
+ device_remove_file(&bd->pdev->dev, &dev_attr_ports_rxcount);
+ device_remove_file(&bd->pdev->dev, &dev_attr_ports_txcount);
+ device_remove_file(&bd->pdev->dev, &dev_attr_vpd);
+ device_remove_file(&bd->pdev->dev, &dev_attr_serial_number);
}
-
-static ssize_t dgnc_tty_state_show(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_tty_state_show(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
struct channel_t *ch;
if (bd->state != BOARD_READY)
return 0;
- return snprintf(buf, PAGE_SIZE, "%s", un->un_open_count ? "Open" : "Closed");
+ return snprintf(buf, PAGE_SIZE, "%s",
+ un->un_open_count ? "Open" : "Closed");
}
static DEVICE_ATTR(state, S_IRUSR, dgnc_tty_state_show, NULL);
-
-static ssize_t dgnc_tty_baud_show(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_tty_baud_show(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
struct channel_t *ch;
}
static DEVICE_ATTR(baud, S_IRUSR, dgnc_tty_baud_show, NULL);
-
-static ssize_t dgnc_tty_msignals_show(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_tty_msignals_show(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
struct channel_t *ch;
}
static DEVICE_ATTR(msignals, S_IRUSR, dgnc_tty_msignals_show, NULL);
-
-static ssize_t dgnc_tty_iflag_show(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_tty_iflag_show(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
struct channel_t *ch;
}
static DEVICE_ATTR(iflag, S_IRUSR, dgnc_tty_iflag_show, NULL);
-
-static ssize_t dgnc_tty_cflag_show(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_tty_cflag_show(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
struct channel_t *ch;
}
static DEVICE_ATTR(cflag, S_IRUSR, dgnc_tty_cflag_show, NULL);
-
-static ssize_t dgnc_tty_oflag_show(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_tty_oflag_show(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
struct channel_t *ch;
}
static DEVICE_ATTR(oflag, S_IRUSR, dgnc_tty_oflag_show, NULL);
-
-static ssize_t dgnc_tty_lflag_show(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_tty_lflag_show(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
struct channel_t *ch;
}
static DEVICE_ATTR(lflag, S_IRUSR, dgnc_tty_lflag_show, NULL);
-
-static ssize_t dgnc_tty_digi_flag_show(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_tty_digi_flag_show(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
struct channel_t *ch;
}
static DEVICE_ATTR(digi_flag, S_IRUSR, dgnc_tty_digi_flag_show, NULL);
-
-static ssize_t dgnc_tty_rxcount_show(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_tty_rxcount_show(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
struct channel_t *ch;
}
static DEVICE_ATTR(rxcount, S_IRUSR, dgnc_tty_rxcount_show, NULL);
-
-static ssize_t dgnc_tty_txcount_show(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_tty_txcount_show(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
struct channel_t *ch;
}
static DEVICE_ATTR(txcount, S_IRUSR, dgnc_tty_txcount_show, NULL);
-
-static ssize_t dgnc_tty_name_show(struct device *d, struct device_attribute *attr, char *buf)
+static ssize_t dgnc_tty_name_show(struct device *d,
+ struct device_attribute *attr, char *buf)
{
struct dgnc_board *bd;
struct channel_t *ch;
}
static DEVICE_ATTR(custom_name, S_IRUSR, dgnc_tty_name_show, NULL);
-
static struct attribute *dgnc_sysfs_tty_entries[] = {
&dev_attr_state.attr,
&dev_attr_baud.attr,
NULL
};
-
static struct attribute_group dgnc_tty_attribute_group = {
.name = NULL,
.attrs = dgnc_sysfs_tty_entries,
};
-
void dgnc_create_tty_sysfs(struct un_t *un, struct device *c)
{
int ret;
}
dev_set_drvdata(c, un);
-
}
-
void dgnc_remove_tty_sysfs(struct device *c)
{
sysfs_remove_group(&c->kobj, &dgnc_tty_attribute_group);
Code Review / kvmfornfv.git / blobdiff