X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Finfiniband%2Fulp%2Fipoib%2Fipoib_fs.c;h=f1cb83688b318ef62d0cf6240019e23db74676f7;hb=refs%2Fheads%2Fvserver;hp=a84e5fe0f1933d8e06acacd0b3ea86b4b1612381;hpb=f7f1b0f1e2fbadeab12d24236000e778aa9b1ead;p=linux-2.6.git diff --git a/drivers/infiniband/ulp/ipoib/ipoib_fs.c b/drivers/infiniband/ulp/ipoib/ipoib_fs.c index a84e5fe0f..f1cb83688 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_fs.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_fs.c @@ -43,6 +43,18 @@ struct file_operations; static struct dentry *ipoib_root; +static void format_gid(union ib_gid *gid, char *buf) +{ + int i, n; + + for (n = 0, i = 0; i < 8; ++i) { + n += sprintf(buf + n, "%x", + be16_to_cpu(((__be16 *) gid->raw)[i])); + if (i < 7) + buf[n++] = ':'; + } +} + static void *ipoib_mcg_seq_start(struct seq_file *file, loff_t *pos) { struct ipoib_mcast_iter *iter; @@ -54,7 +66,7 @@ static void *ipoib_mcg_seq_start(struct seq_file *file, loff_t *pos) while (n--) { if (ipoib_mcast_iter_next(iter)) { - ipoib_mcast_iter_free(iter); + kfree(iter); return NULL; } } @@ -70,7 +82,7 @@ static void *ipoib_mcg_seq_next(struct seq_file *file, void *iter_ptr, (*pos)++; if (ipoib_mcast_iter_next(iter)) { - ipoib_mcast_iter_free(iter); + kfree(iter); return NULL; } @@ -87,32 +99,32 @@ static int ipoib_mcg_seq_show(struct seq_file *file, void *iter_ptr) struct ipoib_mcast_iter *iter = iter_ptr; char gid_buf[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"]; union ib_gid mgid; - int i, n; unsigned long created; unsigned int queuelen, complete, send_only; - if (iter) { - ipoib_mcast_iter_read(iter, &mgid, &created, &queuelen, - &complete, &send_only); + if (!iter) + return 0; - for (n = 0, i = 0; i < sizeof mgid / 2; ++i) { - n += sprintf(gid_buf + n, "%x", - be16_to_cpu(((u16 *)mgid.raw)[i])); - if (i < sizeof mgid / 2 - 1) - gid_buf[n++] = ':'; - } - } + ipoib_mcast_iter_read(iter, &mgid, &created, &queuelen, + &complete, &send_only); - seq_printf(file, "GID: %*s", -(1 + (int) sizeof gid_buf), gid_buf); + format_gid(&mgid, gid_buf); seq_printf(file, - " created: %10ld queuelen: %4d complete: %d send_only: %d\n", - created, queuelen, complete, send_only); + "GID: %s\n" + " created: %10ld\n" + " queuelen: %9d\n" + " complete: %9s\n" + " send_only: %8s\n" + "\n", + gid_buf, created, queuelen, + complete ? "yes" : "no", + send_only ? "yes" : "no"); return 0; } -static struct seq_operations ipoib_seq_ops = { +static struct seq_operations ipoib_mcg_seq_ops = { .start = ipoib_mcg_seq_start, .next = ipoib_mcg_seq_next, .stop = ipoib_mcg_seq_stop, @@ -124,17 +136,17 @@ static int ipoib_mcg_open(struct inode *inode, struct file *file) struct seq_file *seq; int ret; - ret = seq_open(file, &ipoib_seq_ops); + ret = seq_open(file, &ipoib_mcg_seq_ops); if (ret) return ret; seq = file->private_data; - seq->private = inode->u.generic_ip; + seq->private = inode->i_private; return 0; } -static struct file_operations ipoib_fops = { +static struct file_operations ipoib_mcg_fops = { .owner = THIS_MODULE, .open = ipoib_mcg_open, .read = seq_read, @@ -142,25 +154,138 @@ static struct file_operations ipoib_fops = { .release = seq_release }; -int ipoib_create_debug_file(struct net_device *dev) +static void *ipoib_path_seq_start(struct seq_file *file, loff_t *pos) +{ + struct ipoib_path_iter *iter; + loff_t n = *pos; + + iter = ipoib_path_iter_init(file->private); + if (!iter) + return NULL; + + while (n--) { + if (ipoib_path_iter_next(iter)) { + kfree(iter); + return NULL; + } + } + + return iter; +} + +static void *ipoib_path_seq_next(struct seq_file *file, void *iter_ptr, + loff_t *pos) +{ + struct ipoib_path_iter *iter = iter_ptr; + + (*pos)++; + + if (ipoib_path_iter_next(iter)) { + kfree(iter); + return NULL; + } + + return iter; +} + +static void ipoib_path_seq_stop(struct seq_file *file, void *iter_ptr) +{ + /* nothing for now */ +} + +static int ipoib_path_seq_show(struct seq_file *file, void *iter_ptr) +{ + struct ipoib_path_iter *iter = iter_ptr; + char gid_buf[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff"]; + struct ipoib_path path; + int rate; + + if (!iter) + return 0; + + ipoib_path_iter_read(iter, &path); + + format_gid(&path.pathrec.dgid, gid_buf); + + seq_printf(file, + "GID: %s\n" + " complete: %6s\n", + gid_buf, path.pathrec.dlid ? "yes" : "no"); + + if (path.pathrec.dlid) { + rate = ib_rate_to_mult(path.pathrec.rate) * 25; + + seq_printf(file, + " DLID: 0x%04x\n" + " SL: %12d\n" + " rate: %*d%s Gb/sec\n", + be16_to_cpu(path.pathrec.dlid), + path.pathrec.sl, + 10 - ((rate % 10) ? 2 : 0), + rate / 10, rate % 10 ? ".5" : ""); + } + + seq_putc(file, '\n'); + + return 0; +} + +static struct seq_operations ipoib_path_seq_ops = { + .start = ipoib_path_seq_start, + .next = ipoib_path_seq_next, + .stop = ipoib_path_seq_stop, + .show = ipoib_path_seq_show, +}; + +static int ipoib_path_open(struct inode *inode, struct file *file) +{ + struct seq_file *seq; + int ret; + + ret = seq_open(file, &ipoib_path_seq_ops); + if (ret) + return ret; + + seq = file->private_data; + seq->private = inode->i_private; + + return 0; +} + +static struct file_operations ipoib_path_fops = { + .owner = THIS_MODULE, + .open = ipoib_path_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release +}; + +void ipoib_create_debug_files(struct net_device *dev) { struct ipoib_dev_priv *priv = netdev_priv(dev); - char name[IFNAMSIZ + sizeof "_mcg"]; + char name[IFNAMSIZ + sizeof "_path"]; snprintf(name, sizeof name, "%s_mcg", dev->name); - priv->mcg_dentry = debugfs_create_file(name, S_IFREG | S_IRUGO, - ipoib_root, dev, &ipoib_fops); - - return priv->mcg_dentry ? 0 : -ENOMEM; + ipoib_root, dev, &ipoib_mcg_fops); + if (!priv->mcg_dentry) + ipoib_warn(priv, "failed to create mcg debug file\n"); + + snprintf(name, sizeof name, "%s_path", dev->name); + priv->path_dentry = debugfs_create_file(name, S_IFREG | S_IRUGO, + ipoib_root, dev, &ipoib_path_fops); + if (!priv->path_dentry) + ipoib_warn(priv, "failed to create path debug file\n"); } -void ipoib_delete_debug_file(struct net_device *dev) +void ipoib_delete_debug_files(struct net_device *dev) { struct ipoib_dev_priv *priv = netdev_priv(dev); if (priv->mcg_dentry) debugfs_remove(priv->mcg_dentry); + if (priv->path_dentry) + debugfs_remove(priv->path_dentry); } int ipoib_register_debugfs(void)