kernel/device_manager/IORequest.cpp

116 	const generic_io_vec* vecs, uint32 count, generic_size_t length, uint32 flags)
118 	memcpy(fVecs, vecs, sizeof(generic_io_vec) * count);
130 	fUser = !fPhysical && IS_USER_ADDRESS(vecs[0].base);
175 			VMAddressSpace::KernelID(), "io buffer mapped physical vecs",
282 	kprintf("  vecs:       %" B_PRIuSIZE "\n", fVecCount);
378 		const generic_io_vec* vecs = fDMABuffer->Vecs();
383 		// We iterate through the vecs we have read, moving offset (the device
391 			const generic_io_vec& vec = vecs[i];
460 			const generic_io_vec* vecs = fDMABuffer->Vecs();
472 					if (vecs[i].length <= toSkip) {
473 						toSkip -= vecs[i].length;
488 					if (vecs[vecCount - 1].length <= toSkip) {
489 						toSkip -= vecs[vecCount - 1].length;
499 				const generic_io_vec& vec = vecs[i];
619 	// we need to prepare the vecs for consumption by the drivers
621 		generic_io_vec* vecs = fDMABuffer->Vecs();
625 			generic_io_vec& vec = vecs[i];
635 		generic_io_vec* vecs = fDMABuffer->Vecs();
639 			generic_io_vec& vec = vecs[i];
778 	generic_size_t lastVecSize, const generic_io_vec* vecs, size_t count,
787 	fBuffer->SetVecs(firstVecOffset, lastVecSize, vecs, count, length, flags);
824 	generic_io_vec* vecs = fBuffer->Vecs();
828 		const generic_io_vec& vec = vecs[startVec];
835 	// count vecs
840 		const generic_io_vec& vec = vecs[endVec];
854 		vecs + startVec, endVec - startVec + 1, length, fIsWrite,
1148 	generic_io_vec* vecs = fBuffer->Vecs();
1151 			&& vecs[fVecIndex].length - fVecOffset <= bySize) {
1152 		bySize -= vecs[fVecIndex].length - fVecOffset;
1233 	generic_io_vec* vecs = fBuffer->Vecs();
1237 		if (vecs[0].length > skipBytes) {
1242 		skipBytes -= vecs[0].length;
1243 		vecs++;
1248 		generic_size_t toClear = min_c(size, vecs[0].length - vecOffset);
1249 		status_t error = clearFunction(vecs[0].base + vecOffset, toClear,
1255 		vecs++;
1289 	generic_io_vec* vecs = fBuffer->Vecs();
1293 		if (vecs[0].length > skipBytes) {
1298 		skipBytes -= vecs[0].length;
1299 		vecs++;
1304 		generic_size_t toCopy = min_c(size, vecs[0].length - vecOffset);
1305 		status_t error = copyFunction(buffer, vecs[0].base + vecOffset, toCopy,
1312 		vecs++;