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path: root/drivers/message/fusion/mptscsih.c
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Diffstat (limited to 'drivers/message/fusion/mptscsih.c')
-rw-r--r--drivers/message/fusion/mptscsih.c47
1 files changed, 21 insertions, 26 deletions
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index a0078ae5b9b8..364c49cb7482 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -2234,13 +2234,27 @@ mptscsih_slave_destroy(struct scsi_device *device)
2234 } 2234 }
2235} 2235}
2236 2236
2237static void 2237/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2238mptscsih_set_queue_depth(struct scsi_device *device, MPT_SCSI_HOST *hd, 2238/*
2239 VirtDevice *pTarget, int qdepth) 2239 * mptscsih_change_queue_depth - This function will set a devices queue depth
2240 * @sdev: per scsi_device pointer
2241 * @qdepth: requested queue depth
2242 *
2243 * Adding support for new 'change_queue_depth' api.
2244*/
2245int
2246mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth)
2240{ 2247{
2248 MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *)sdev->host->hostdata;
2249 VirtDevice *pTarget;
2241 int max_depth; 2250 int max_depth;
2242 int tagged; 2251 int tagged;
2243 2252
2253 if (hd == NULL)
2254 return 0;
2255 if (!(pTarget = hd->Targets[sdev->id]))
2256 return 0;
2257
2244 if (hd->ioc->bus_type == SCSI) { 2258 if (hd->ioc->bus_type == SCSI) {
2245 if (pTarget->tflags & MPT_TARGET_FLAGS_VALID_INQUIRY) { 2259 if (pTarget->tflags & MPT_TARGET_FLAGS_VALID_INQUIRY) {
2246 if (!(pTarget->tflags & MPT_TARGET_FLAGS_Q_YES)) 2260 if (!(pTarget->tflags & MPT_TARGET_FLAGS_Q_YES))
@@ -2264,10 +2278,10 @@ mptscsih_set_queue_depth(struct scsi_device *device, MPT_SCSI_HOST *hd,
2264 else 2278 else
2265 tagged = MSG_SIMPLE_TAG; 2279 tagged = MSG_SIMPLE_TAG;
2266 2280
2267 scsi_adjust_queue_depth(device, tagged, qdepth); 2281 scsi_adjust_queue_depth(sdev, tagged, qdepth);
2282 return sdev->queue_depth;
2268} 2283}
2269 2284
2270
2271/* 2285/*
2272 * OS entry point to adjust the queue_depths on a per-device basis. 2286 * OS entry point to adjust the queue_depths on a per-device basis.
2273 * Called once per device the bus scan. Use it to force the queue_depth 2287 * Called once per device the bus scan. Use it to force the queue_depth
@@ -2317,7 +2331,7 @@ mptscsih_slave_configure(struct scsi_device *device)
2317 2331
2318 mptscsih_initTarget(hd, device->channel, device->id, device->lun, 2332 mptscsih_initTarget(hd, device->channel, device->id, device->lun,
2319 device->inquiry, device->inquiry_len ); 2333 device->inquiry, device->inquiry_len );
2320 mptscsih_set_queue_depth(device, hd, pTarget, MPT_SCSI_CMD_PER_DEV_HIGH); 2334 mptscsih_change_queue_depth(device, MPT_SCSI_CMD_PER_DEV_HIGH);
2321 2335
2322 dsprintk((MYIOC_s_INFO_FMT 2336 dsprintk((MYIOC_s_INFO_FMT
2323 "Queue depth=%d, tflags=%x\n", 2337 "Queue depth=%d, tflags=%x\n",
@@ -2337,25 +2351,6 @@ slave_configure_exit:
2337 return 0; 2351 return 0;
2338} 2352}
2339 2353
2340ssize_t
2341mptscsih_store_queue_depth(struct device *dev, struct device_attribute *attr, const char *buf, size_t count)
2342{
2343 int depth;
2344 struct scsi_device *sdev = to_scsi_device(dev);
2345 MPT_SCSI_HOST *hd = (MPT_SCSI_HOST *) sdev->host->hostdata;
2346 VirtDevice *pTarget;
2347
2348 depth = simple_strtoul(buf, NULL, 0);
2349 if (depth == 0)
2350 return -EINVAL;
2351 pTarget = hd->Targets[sdev->id];
2352 if (pTarget == NULL)
2353 return -EINVAL;
2354 mptscsih_set_queue_depth(sdev, (MPT_SCSI_HOST *) sdev->host->hostdata,
2355 pTarget, depth);
2356 return count;
2357}
2358
2359/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 2354/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
2360/* 2355/*
2361 * Private routines... 2356 * Private routines...
@@ -5586,7 +5581,7 @@ EXPORT_SYMBOL(mptscsih_taskmgmt_complete);
5586EXPORT_SYMBOL(mptscsih_scandv_complete); 5581EXPORT_SYMBOL(mptscsih_scandv_complete);
5587EXPORT_SYMBOL(mptscsih_event_process); 5582EXPORT_SYMBOL(mptscsih_event_process);
5588EXPORT_SYMBOL(mptscsih_ioc_reset); 5583EXPORT_SYMBOL(mptscsih_ioc_reset);
5589EXPORT_SYMBOL(mptscsih_store_queue_depth); 5584EXPORT_SYMBOL(mptscsih_change_queue_depth);
5590EXPORT_SYMBOL(mptscsih_timer_expired); 5585EXPORT_SYMBOL(mptscsih_timer_expired);
5591 5586
5592/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/ 5587/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/