int cpt_dump_link(struct cpt_context * ctx)
{
struct net *net = get_exec_env()->ve_netns;
struct net_device *dev;
cpt_open_section(ctx, CPT_SECT_NET_DEVICE);
for_each_netdev(net, dev) {
struct cpt_netdev_image v;
struct cpt_hwaddr_image hw;
loff_t saved_obj;
if (dev->netdev_ops->ndo_cpt == NULL) {
eprintk_ctx("unsupported netdev %s\n", dev->name);
cpt_close_section(ctx);
return -EBUSY;
}
cpt_open_object(NULL, ctx);
v.cpt_next = CPT_NULL;
v.cpt_object = CPT_OBJ_NET_DEVICE;
v.cpt_hdrlen = sizeof(v);
v.cpt_content = CPT_CONTENT_ARRAY;
v.cpt_index = dev->ifindex;
v.cpt_flags = dev->flags;
memcpy(v.cpt_name, dev->name, IFNAMSIZ);
ctx->write(&v, sizeof(v), ctx);
cpt_push_object(&saved_obj, ctx);
cpt_open_object(NULL, ctx);
dev->netdev_ops->ndo_cpt(dev, &cpt_ops, ctx);
/* Dump hardware address */
cpt_open_object(NULL, ctx);
hw.cpt_next = CPT_NULL;
hw.cpt_object = CPT_OBJ_NET_HWADDR;
hw.cpt_hdrlen = sizeof(hw);
hw.cpt_content = CPT_CONTENT_VOID;
if (dev->dev_addrs.count != 1) {
eprintk_ctx("multiple hwaddrs on %s\n", dev->name);
return -EINVAL;
}
BUILD_BUG_ON(sizeof(hw.cpt_dev_addr) != MAX_ADDR_LEN);
memcpy(hw.cpt_dev_addr, dev->dev_addr, sizeof(hw.cpt_dev_addr));
ctx->write(&hw, sizeof(hw), ctx);
cpt_close_object(ctx);
cpt_dump_netstats(dev, ctx);
cpt_pop_object(&saved_obj, ctx);
cpt_close_object(ctx);
}
cpt_close_section(ctx);
return 0;
}
int cpt_dump_content_tty(struct file *file, struct cpt_context *ctx)
{
struct tty_struct *tty = file->private_data;
cpt_object_t *obj;
struct cpt_obj_ref o;
loff_t saved_pos;
obj = lookup_cpt_object(CPT_OBJ_TTY, tty, ctx);
if (!obj)
return -EINVAL;
cpt_push_object(&saved_pos, ctx);
o.cpt_next = sizeof(o);
o.cpt_object = CPT_OBJ_REF;
o.cpt_hdrlen = sizeof(o);
o.cpt_content = CPT_CONTENT_VOID;
o.cpt_pos = obj->o_pos;
ctx->write(&o, sizeof(o), ctx);
cpt_pop_object(&saved_pos, ctx);
return 0;
}
static void cpt_pop(loff_t *p, struct cpt_context *ctx)
{
cpt_close_object(ctx);
cpt_pop_object(p, ctx);
}
int cpt_dump_tty(cpt_object_t *obj, struct cpt_context *ctx)
{
struct tty_struct *tty = obj->o_obj;
struct cpt_tty_image *v;
if (tty->link) {
if (lookup_cpt_object(CPT_OBJ_TTY, tty->link, ctx) == NULL) {
eprintk_ctx("orphan pty %s %d\n", tty->name, tty->driver->subtype == PTY_TYPE_SLAVE);
return -EINVAL;
}
if (tty->link->link != tty) {
eprintk_ctx("bad pty pair\n");
return -EINVAL;
}
if (tty->driver->type == TTY_DRIVER_TYPE_PTY &&
tty->driver->subtype == PTY_TYPE_SLAVE &&
tty->link->count)
obj->o_count++;
}
if (obj->o_count != tty->count) {
eprintk_ctx("tty %s is referenced outside %d %d\n", tty->name, obj->o_count, tty->count);
return -EBUSY;
}
cpt_open_object(obj, ctx);
v = cpt_get_buf(ctx);
v->cpt_next = -1;
v->cpt_object = CPT_OBJ_TTY;
v->cpt_hdrlen = sizeof(*v);
v->cpt_content = CPT_CONTENT_ARRAY;
v->cpt_index = tty->index;
v->cpt_link = -1;
if (tty->link)
v->cpt_link = tty->link->index;
v->cpt_drv_type = tty->driver->type;
v->cpt_drv_subtype = tty->driver->subtype;
v->cpt_drv_flags = tty->driver->flags;
v->cpt_packet = tty->packet;
v->cpt_stopped = tty->stopped;
v->cpt_hw_stopped = tty->hw_stopped;
v->cpt_flow_stopped = tty->flow_stopped;
v->cpt_flags = tty->flags;
v->cpt_ctrl_status = tty->ctrl_status;
v->cpt_canon_data = tty->canon_data;
v->cpt_canon_head = tty->canon_head - tty->read_tail;
v->cpt_canon_column = tty->canon_column;
v->cpt_column = tty->column;
v->cpt_erasing = tty->erasing;
v->cpt_lnext = tty->lnext;
v->cpt_icanon = tty->icanon;
v->cpt_raw = tty->raw;
v->cpt_real_raw = tty->real_raw;
v->cpt_closing = tty->closing;
v->cpt_minimum_to_wake = tty->minimum_to_wake;
v->cpt_pgrp = 0;
if (tty->pgrp) {
v->cpt_pgrp = pid_vnr(tty->pgrp);
if ((int)v->cpt_pgrp < 0) {
dprintk_ctx("cannot map tty->pgrp %d -> %d\n", pid_vnr(tty->pgrp), (int)v->cpt_pgrp);
v->cpt_pgrp = -1;
}
}
v->cpt_session = 0;
if (tty->session) {
v->cpt_session = pid_vnr(tty->session);
if ((int)v->cpt_session < 0) {
eprintk_ctx("cannot map tty->session %d -> %d\n", pid_nr(tty->session), (int)v->cpt_session);
cpt_release_buf(ctx);
return -EINVAL;
}
}
memcpy(v->cpt_name, tty->name, 64);
v->cpt_ws_row = tty->winsize.ws_row;
v->cpt_ws_col = tty->winsize.ws_col;
v->cpt_ws_prow = tty->winsize.ws_ypixel;
v->cpt_ws_pcol = tty->winsize.ws_xpixel;
if (tty->termios == NULL) {
eprintk_ctx("NULL termios");
cpt_release_buf(ctx);
return -EINVAL;
}
v->cpt_c_line = tty->termios->c_line;
v->cpt_c_iflag = tty->termios->c_iflag;
v->cpt_c_oflag = tty->termios->c_oflag;
v->cpt_c_cflag = tty->termios->c_cflag;
v->cpt_c_lflag = tty->termios->c_lflag;
memcpy(v->cpt_c_cc, tty->termios->c_cc, NCCS);
if (NCCS < 32)
memset(v->cpt_c_cc + NCCS, 255, 32 - NCCS);
memcpy(v->cpt_read_flags, tty->read_flags, sizeof(v->cpt_read_flags));
ctx->write(v, sizeof(*v), ctx);
cpt_release_buf(ctx);
if (tty->read_buf && tty->read_cnt) {
struct cpt_obj_bits *v = cpt_get_buf(ctx);
loff_t saved_pos;
cpt_push_object(&saved_pos, ctx);
cpt_open_object(NULL, ctx);
v->cpt_next = CPT_NULL;
v->cpt_object = CPT_OBJ_BITS;
v->cpt_hdrlen = sizeof(*v);
v->cpt_content = CPT_CONTENT_DATA;
v->cpt_size = tty->read_cnt;
ctx->write(v, sizeof(*v), ctx);
cpt_release_buf(ctx);
if (tty->read_cnt) {
int n = min(tty->read_cnt, N_TTY_BUF_SIZE - tty->read_tail);
ctx->write(tty->read_buf + tty->read_tail, n, ctx);
if (tty->read_cnt > n)
ctx->write(tty->read_buf, tty->read_cnt-n, ctx);
ctx->align(ctx);
}
cpt_close_object(ctx);
cpt_pop_object(&saved_pos, ctx);
}
cpt_close_object(ctx);
return 0;
}
