diff options
Diffstat (limited to 'drivers/s390/net/qeth_proc.c')
| -rw-r--r-- | drivers/s390/net/qeth_proc.c | 126 |
1 files changed, 69 insertions, 57 deletions
diff --git a/drivers/s390/net/qeth_proc.c b/drivers/s390/net/qeth_proc.c index 04719196fd2..f2ccfea8fdb 100644 --- a/drivers/s390/net/qeth_proc.c +++ b/drivers/s390/net/qeth_proc.c @@ -27,23 +27,33 @@ const char *VERSION_QETH_PROC_C = "$Revision: 1.13 $"; #define QETH_PROCFILE_NAME "qeth" static struct proc_dir_entry *qeth_procfile; +static int +qeth_procfile_seq_match(struct device *dev, void *data) +{ + return 1; +} + static void * qeth_procfile_seq_start(struct seq_file *s, loff_t *offset) { - struct list_head *next_card = NULL; - int i = 0; + struct device *dev; + loff_t nr; down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); - if (*offset == 0) + nr = *offset; + if (nr == 0) return SEQ_START_TOKEN; - /* get card at pos *offset */ - list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices) - if (++i == *offset) - return next_card; + dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL, + NULL, qeth_procfile_seq_match); - return NULL; + /* get card at pos *offset */ + nr = *offset; + while (nr-- > 1 && dev) + dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev, + NULL, qeth_procfile_seq_match); + return (void *) dev; } static void @@ -55,23 +65,21 @@ qeth_procfile_seq_stop(struct seq_file *s, void* it) static void * qeth_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset) { - struct list_head *next_card = NULL; - struct list_head *current_card; + struct device *prev, *next; if (it == SEQ_START_TOKEN) { - next_card = qeth_ccwgroup_driver.driver.devices.next; - if (next_card->next == next_card) /* list empty */ - return NULL; - (*offset)++; - } else { - current_card = (struct list_head *)it; - if (current_card->next == &qeth_ccwgroup_driver.driver.devices) - return NULL; /* end of list reached */ - next_card = current_card->next; - (*offset)++; + next = driver_find_device(&qeth_ccwgroup_driver.driver, + NULL, NULL, qeth_procfile_seq_match); + if (next) + (*offset)++; + return (void *) next; } - - return next_card; + prev = (struct device *) it; + next = driver_find_device(&qeth_ccwgroup_driver.driver, + prev, NULL, qeth_procfile_seq_match); + if (next) + (*offset)++; + return (void *) next; } static inline const char * @@ -126,7 +134,7 @@ qeth_procfile_seq_show(struct seq_file *s, void *it) "-------------- ---- ------ ---------- ---- " "---- ----- -----\n"); } else { - device = list_entry(it, struct device, driver_list); + device = (struct device *) it; card = device->driver_data; seq_printf(s, "%s/%s/%s x%02X %-10s %-14s %-4i ", CARD_RDEV_ID(card), @@ -180,17 +188,20 @@ static struct proc_dir_entry *qeth_perf_procfile; static void * qeth_perf_procfile_seq_start(struct seq_file *s, loff_t *offset) { - struct list_head *next_card = NULL; - int i = 0; + struct device *dev = NULL; + int nr; down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); /* get card at pos *offset */ - list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices){ - if (i == *offset) - return next_card; - i++; - } - return NULL; + dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL, NULL, + qeth_procfile_seq_match); + + /* get card at pos *offset */ + nr = *offset; + while (nr-- > 1 && dev) + dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev, + NULL, qeth_procfile_seq_match); + return (void *) dev; } static void @@ -202,12 +213,14 @@ qeth_perf_procfile_seq_stop(struct seq_file *s, void* it) static void * qeth_perf_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset) { - struct list_head *current_card = (struct list_head *)it; + struct device *prev, *next; - if (current_card->next == &qeth_ccwgroup_driver.driver.devices) - return NULL; /* end of list reached */ - (*offset)++; - return current_card->next; + prev = (struct device *) it; + next = driver_find_device(&qeth_ccwgroup_driver.driver, prev, + NULL, qeth_procfile_seq_match); + if (next) + (*offset)++; + return (void *) next; } static int @@ -216,7 +229,7 @@ qeth_perf_procfile_seq_show(struct seq_file *s, void *it) struct device *device; struct qeth_card *card; - device = list_entry(it, struct device, driver_list); + device = (struct device *) it; card = device->driver_data; seq_printf(s, "For card with devnos %s/%s/%s (%s):\n", CARD_RDEV_ID(card), @@ -318,8 +331,8 @@ static struct proc_dir_entry *qeth_ipato_procfile; static void * qeth_ipato_procfile_seq_start(struct seq_file *s, loff_t *offset) { - struct list_head *next_card = NULL; - int i = 0; + struct device *dev; + loff_t nr; down_read(&qeth_ccwgroup_driver.driver.bus->subsys.rwsem); /* TODO: finish this */ @@ -328,13 +341,16 @@ qeth_ipato_procfile_seq_start(struct seq_file *s, loff_t *offset) * output driver settings then; * else output setting for respective card */ + + dev = driver_find_device(&qeth_ccwgroup_driver.driver, NULL, NULL, + qeth_procfile_seq_match); + /* get card at pos *offset */ - list_for_each(next_card, &qeth_ccwgroup_driver.driver.devices){ - if (i == *offset) - return next_card; - i++; - } - return NULL; + nr = *offset; + while (nr-- > 1 && dev) + dev = driver_find_device(&qeth_ccwgroup_driver.driver, dev, + NULL, qeth_procfile_seq_match); + return (void *) dev; } static void @@ -346,18 +362,14 @@ qeth_ipato_procfile_seq_stop(struct seq_file *s, void* it) static void * qeth_ipato_procfile_seq_next(struct seq_file *s, void *it, loff_t *offset) { - struct list_head *current_card = (struct list_head *)it; + struct device *prev, *next; - /* TODO: finish this */ - /* - * maybe SEQ_SATRT_TOKEN can be returned for offset 0 - * output driver settings then; - * else output setting for respective card - */ - if (current_card->next == &qeth_ccwgroup_driver.driver.devices) - return NULL; /* end of list reached */ - (*offset)++; - return current_card->next; + prev = (struct device *) it; + next = driver_find_device(&qeth_ccwgroup_driver.driver, prev, + NULL, qeth_procfile_seq_match); + if (next) + (*offset)++; + return (void *) next; } static int @@ -372,7 +384,7 @@ qeth_ipato_procfile_seq_show(struct seq_file *s, void *it) * output driver settings then; * else output setting for respective card */ - device = list_entry(it, struct device, driver_list); + device = (struct device *) it; card = device->driver_data; return 0; |