generic/scsi_periph/block.cpp

200 	UnmapSupport* unmapSupport)
202 	unmapSupport->commandSupportFilled = false;
213 		unmapSupport->commandSupportFilled = true;
214 		unmapSupport->unmapSupported = vpdProvisioning.lbpu;
215 		unmapSupport->ws16Supported = vpdProvisioning.lbpws;
216 		unmapSupport->ws10Supported = vpdProvisioning.lbpws10;
228 	UnmapSupport* unmapSupport)
230 	unmapSupport->blockLimitsFilled = false;
241 		unmapSupport->blockLimitsFilled = true;
242 		unmapSupport->maxUnmapLbaCount = B_BENDIAN_TO_HOST_INT32(
244 		unmapSupport->maxUnmapDescriptorCount = B_BENDIAN_TO_HOST_INT32(
246 		unmapSupport->maxWritesameLength = B_BENDIAN_TO_HOST_INT64(
258 determine_unmap_support(const UnmapSupport* unmapSupport,
263 	if (unmapSupport->commandSupportFilled)
265 			" LBPWS10 = %d\n", unmapSupport->unmapSupported,
266 			unmapSupport->ws16Supported, unmapSupport->ws10Supported);
269 	if (unmapSupport->blockLimitsFilled)
274 			unmapSupport->maxUnmapLbaCount,
275 			unmapSupport->maxUnmapDescriptorCount,
276 			unmapSupport->maxWritesameLength);
285 	if (!unmapSupport->commandSupportFilled
286 		|| !unmapSupport->blockLimitsFilled)
289 	if (unmapSupport->unmapSupported
290 		&& unmapSupport->maxUnmapLbaCount > 0
291 		&& unmapSupport->maxUnmapDescriptorCount > 0) {
293 		*maxLbaCount = unmapSupport->maxUnmapLbaCount;
294 		if (unmapSupport->maxUnmapDescriptorCount == UINT32_MAX
295 			|| unmapSupport->maxUnmapDescriptorCount > UNMAP_MAX_DESCRIPTORS) {
299 			*maxDescriptorCount = unmapSupport->maxUnmapDescriptorCount;
303 	if (*unmapCommand == TRIM_NONE && unmapSupport->ws16Supported) {
304 		uint64 maxLength = unmapSupport->maxWritesameLength;
307 			if (unmapSupport->maxUnmapLbaCount > 0)
308 				maxLength = unmapSupport->maxUnmapLbaCount;
317 	if (*unmapCommand == TRIM_NONE && unmapSupport->ws10Supported) {
318 		uint64 maxLength = unmapSupport->maxWritesameLength;
321 			if (unmapSupport->maxUnmapLbaCount > 0)
322 				maxLength = unmapSupport->maxUnmapLbaCount;
385 		UnmapSupport unmapSupport = {0};
391 				&unmapSupport);
398 				&unmapSupport);
403 		determine_unmap_support(&unmapSupport, &unmapCommand,