Lines Matching defs:buffer
35 struct mutex buf_lock; /* protect buffer and flags */
45 u8 buffer[TPM_BUFSIZE]; /* request/response buffer */
65 * @buf: read buffer
94 if (count < len || len > sizeof(proxy_dev->buffer)) {
101 rc = copy_to_user(buf, proxy_dev->buffer, len);
102 memset(proxy_dev->buffer, 0, len);
120 * @buf: write buffer
139 if (count > sizeof(proxy_dev->buffer) ||
149 if (copy_from_user(proxy_dev->buffer, buf, count)) {
262 * @buf: receive buffer
289 memcpy(buf, proxy_dev->buffer, len);
324 * @buf: send buffer
334 if (count > sizeof(proxy_dev->buffer)) {
336 "Invalid size in send: count=%zd, buffer size=%zd\n",
337 count, sizeof(proxy_dev->buffer));
355 memcpy(proxy_dev->buffer, buf, count);