| 337 | } |
| 338 | |
| 339 | void * |
| 340 | crypto_cursor_segbase(struct crypto_buffer_cursor *cc) |
| 341 | { |
| 342 | switch (cc->cc_type) { |
| 343 | case CRYPTO_BUF_CONTIG: |
| 344 | return (cc->cc_buf); |
| 345 | case CRYPTO_BUF_MBUF: |
| 346 | if (cc->cc_mbuf == NULL) |
| 347 | return (NULL); |
| 348 | KASSERT((cc->cc_mbuf->m_flags & M_EXTPG) == 0, |
| 349 | ("%s: not supported for unmapped mbufs", __func__)); |
| 350 | return (mtod(cc->cc_mbuf, char *) + cc->cc_offset); |
| 351 | case CRYPTO_BUF_VMPAGE: |
| 352 | return ((char *)PHYS_TO_DMAP(VM_PAGE_TO_PHYS( |
| 353 | *cc->cc_vmpage)) + cc->cc_offset); |
| 354 | case CRYPTO_BUF_UIO: |
| 355 | return ((char *)cc->cc_iov->iov_base + cc->cc_offset); |
| 356 | default: |
| 357 | #ifdef INVARIANTS |
| 358 | panic("%s: invalid buffer type %d", __func__, cc->cc_type); |
| 359 | #endif |
| 360 | return (NULL); |
| 361 | } |
| 362 | } |
| 363 | |
| 364 | size_t |
| 365 | crypto_cursor_seglen(struct crypto_buffer_cursor *cc) |
no test coverage detected