14f788dceSadam radfordRelease Date : Wed. May 11, 2011 17:00:00 PST 2010 - 24f788dceSadam radford (emaild-id:megaraidlinux@lsi.com) 34f788dceSadam radford Adam Radford 44f788dceSadam radfordCurrent Version : 00.00.05.38-rc1 54f788dceSadam radfordOld Version : 00.00.05.34-rc1 64f788dceSadam radford 1. Remove MSI-X black list, use MFI_REG_STATE.ready.msiEnable. 74f788dceSadam radford 2. Remove un-used function megasas_return_cmd_for_smid(). 84f788dceSadam radford 3. Check MFI_REG_STATE.fault.resetAdapter in megasas_reset_fusion(). 94f788dceSadam radford 4. Disable interrupts/free_irq() in megasas_shutdown(). 104f788dceSadam radford 5. Fix bug where AENs could be lost in probe() and resume(). 114f788dceSadam radford 6. Convert 6,10,12 byte CDB's to 16 byte CDB for large LBA's for FastPath 124f788dceSadam radford IO. 134f788dceSadam radford 7. Add 1078 OCR support. 144f788dceSadam radford------------------------------------------------------------------------------- 1500fa2b19Sadam radfordRelease Date : Thu. Feb 24, 2011 17:00:00 PST 2010 - 1600fa2b19Sadam radford (emaild-id:megaraidlinux@lsi.com) 1700fa2b19Sadam radford Adam Radford 1800fa2b19Sadam radfordCurrent Version : 00.00.05.34-rc1 1900fa2b19Sadam radfordOld Version : 00.00.05.29-rc1 2000fa2b19Sadam radford 1. Fix some failure gotos from megasas_probe_one(), etc. 2100fa2b19Sadam radford 2. Add missing check_and_restore_queue_depth() call in 2200fa2b19Sadam radford complete_cmd_fusion(). 2300fa2b19Sadam radford 3. Enable MSI-X before calling megasas_init_fw(). 2400fa2b19Sadam radford 4. Call tasklet_schedule() even if outbound_intr_status == 0 for MFI based 2500fa2b19Sadam radford boards in MSI-X mode. 2600fa2b19Sadam radford 5. Fix megasas_probe_one() to clear PCI_MSIX_FLAGS_ENABLE in msi control 2700fa2b19Sadam radford register in kdump kernel. 2800fa2b19Sadam radford 6. Fix megasas_get_cmd() to only print "Command pool empty" if 2900fa2b19Sadam radford megasas_dbg_lvl is set. 3000fa2b19Sadam radford 7. Fix megasas_build_dcdb_fusion() to not filter by TYPE_DISK. 3100fa2b19Sadam radford 8. Fix megasas_build_dcdb_fusion() to use io_request->LUN[1] field. 3200fa2b19Sadam radford 9. Add MR_EVT_CFG_CLEARED to megasas_aen_polling(). 3300fa2b19Sadam radford 10. Fix tasklet_init() in megasas_init_fw() to use instancet->tasklet. 3400fa2b19Sadam radford 11. Fix fault state handling in megasas_transition_to_ready(). 3500fa2b19Sadam radford 12. Fix max_sectors setting for IEEE SGL's. 3600fa2b19Sadam radford 13. Fix iMR OCR support to work correctly. 3700fa2b19Sadam radford------------------------------------------------------------------------------- 385f7bb3a4Sadam radfordRelease Date : Tues. Dec 14, 2010 17:00:00 PST 2010 - 395f7bb3a4Sadam radford (emaild-id:megaraidlinux@lsi.com) 405f7bb3a4Sadam radford Adam Radford 415f7bb3a4Sadam radfordCurrent Version : 00.00.05.29-rc1 425f7bb3a4Sadam radfordOld Version : 00.00.04.31-rc1 435f7bb3a4Sadam radford 1. Rename megaraid_sas.c to megaraid_sas_base.c. 445f7bb3a4Sadam radford 2. Update GPL headers. 455f7bb3a4Sadam radford 3. Add MSI-X support and 'msix_disable' module parameter. 465f7bb3a4Sadam radford 4. Use lowest memory bar (for SR-IOV VF support). 475f7bb3a4Sadam radford 5. Add struct megasas_instance_temlate changes, and change all code to use 485f7bb3a4Sadam radford new instance entries: 495f7bb3a4Sadam radford 505f7bb3a4Sadam radford irqreturn_t (*service_isr )(int irq, void *devp); 515f7bb3a4Sadam radford void (*tasklet)(unsigned long); 525f7bb3a4Sadam radford u32 (*init_adapter)(struct megasas_instance *); 535f7bb3a4Sadam radford u32 (*build_and_issue_cmd) (struct megasas_instance *, 545f7bb3a4Sadam radford struct scsi_cmnd *); 555f7bb3a4Sadam radford void (*issue_dcmd) (struct megasas_instance *instance, 565f7bb3a4Sadam radford struct megasas_cmd *cmd); 575f7bb3a4Sadam radford 585f7bb3a4Sadam radford 6. Add code to support MegaRAID 9265/9285 controllers device id (0x5b). 595f7bb3a4Sadam radford------------------------------------------------------------------------------- 60e340c353SYang, Bo1 Release Date : Thur. May 03, 2010 09:12:45 PST 2009 - 61e340c353SYang, Bo (emaild-id:megaraidlinux@lsi.com) 62e340c353SYang, Bo Bo Yang 63e340c353SYang, Bo 64e340c353SYang, Bo2 Current Version : 00.00.04.31-rc1 65e340c353SYang, Bo3 Older Version : 00.00.04.17.1-rc1 66e340c353SYang, Bo 67e340c353SYang, Bo1. Add the Online Controller Reset (OCR) to the Driver. 68e340c353SYang, Bo OCR is the new feature for megaraid_sas driver which 69e340c353SYang, Bo will allow the fw to do the chip reset which will not 70e340c353SYang, Bo affact the OS behavious. 71e340c353SYang, Bo 72e340c353SYang, Bo To add the OCR support, driver need to do: 73e340c353SYang, Bo a). reset the controller chips -- Xscale and Gen2 which 74e340c353SYang, Bo will change the function calls and add the reset function 75e340c353SYang, Bo related to this two chips. 76e340c353SYang, Bo 77e340c353SYang, Bo b). during the reset, driver will store the pending cmds 78e340c353SYang, Bo which not returned by FW to driver's pending queue. Driver 79e340c353SYang, Bo will re-issue those pending cmds again to FW after the OCR 80e340c353SYang, Bo finished. 81e340c353SYang, Bo 82e340c353SYang, Bo c). In driver's timeout routine, driver will report to 83e340c353SYang, Bo OS as reset. Also driver's queue routine will block the 84e340c353SYang, Bo cmds until the OCR finished. 85e340c353SYang, Bo 86e340c353SYang, Bo d). in Driver's ISR routine, if driver get the FW state as 87e340c353SYang, Bo state change, FW in Failure status and FW support online controller 88e340c353SYang, Bo reset (OCR), driver will start to do the controller reset. 89e340c353SYang, Bo 90e340c353SYang, Bo e). In driver's IOCTL routine, the application cmds will wait for the 91e340c353SYang, Bo OCR to finish, then issue the cmds to FW. 92e340c353SYang, Bo 93e340c353SYang, Bo f). Before driver kill adapter, driver will do last chance of 94e340c353SYang, Bo OCR to see if driver can bring back the FW. 95e340c353SYang, Bo 96e340c353SYang, Bo2. Add the support update flag to the driver to tell LSI megaraid_sas 97e340c353SYang, Bo application which driver will support the device update. So application 98e340c353SYang, Bo will not need to do the device update after application add/del the device 99e340c353SYang, Bo from the system. 100e340c353SYang, Bo3. In driver's timeout routine, driver will do three time reset if fw is in 101e340c353SYang, Bo failed state. Driver will kill adapter if can't bring back FW after the 102e340c353SYang, Bo this three times reset. 103e340c353SYang, Bo4. Add the input parameter max_sectors to 1MB support to our GEN2 controller. 104e340c353SYang, Bo customer can use the input paramenter max_sectors to add 1MB support to GEN2 105e340c353SYang, Bo controller. 106e340c353SYang, Bo 10763bad45dSYang, Bo1 Release Date : Thur. Oct 29, 2009 09:12:45 PST 2009 - 10863bad45dSYang, Bo (emaild-id:megaraidlinux@lsi.com) 10963bad45dSYang, Bo Bo Yang 11063bad45dSYang, Bo 11163bad45dSYang, Bo2 Current Version : 00.00.04.17.1-rc1 11263bad45dSYang, Bo3 Older Version : 00.00.04.12 11363bad45dSYang, Bo 11463bad45dSYang, Bo1. Add the pad_0 in mfi frame structure to 0 to fix the 11563bad45dSYang, Bo context value larger than 32bit value issue. 11663bad45dSYang, Bo 11763bad45dSYang, Bo2. Add the logic drive list to the driver. Driver will 11863bad45dSYang, Bo keep the logic drive list internal after driver load. 11963bad45dSYang, Bo 12063bad45dSYang, Bo3. driver fixed the device update issue after get the AEN 12163bad45dSYang, Bo PD delete/ADD, LD add/delete from FW. 12263bad45dSYang, Bo 123a0b77368SYang, Bo1 Release Date : Tues. July 28, 2009 10:12:45 PST 2009 - 124a0b77368SYang, Bo (emaild-id:megaraidlinux@lsi.com) 125a0b77368SYang, Bo Bo Yang 126a0b77368SYang, Bo 127a0b77368SYang, Bo2 Current Version : 00.00.04.12 128a0b77368SYang, Bo3 Older Version : 00.00.04.10 129a0b77368SYang, Bo 130a0b77368SYang, Bo1. Change the AEN sys PD update from scsi_scan to 131a0b77368SYang, Bo scsi_add_device and scsi_remove_device. 132a0b77368SYang, Bo2. Takeoff the debug print-out in aen_polling routine. 133a0b77368SYang, Bo 134a0b77368SYang, Bo1 Release Date : Thur. July 02, 2009 10:12:45 PST 2009 - 135a0b77368SYang, Bo (emaild-id:megaraidlinux@lsi.com) 136a0b77368SYang, Bo Bo Yang 137a0b77368SYang, Bo 138a0b77368SYang, Bo2 Current Version : 00.00.04.10 139a0b77368SYang, Bo3 Older Version : 00.00.04.08 140a0b77368SYang, Bo 141a0b77368SYang, Bo1. Add the 3 mins timeout during the controller initialize. 142a0b77368SYang, Bo2. Add the fix for 64bit sense date errors. 143a0b77368SYang, Bo 144a0b77368SYang, Bo1 Release Date : Tues. May 05, 2009 10:12:45 PST 2009 - 145a0b77368SYang, Bo (emaild-id:megaraidlinux@lsi.com) 146a0b77368SYang, Bo Bo Yang 147a0b77368SYang, Bo 148a0b77368SYang, Bo2 Current Version : 00.00.04.08 149a0b77368SYang, Bo3 Older Version : 00.00.04.06 150a0b77368SYang, Bo 151a0b77368SYang, Bo1. Add the fix of pending in FW after deleted the logic drives. 152a0b77368SYang, Bo2. Add the fix of deallocating memory after get pdlist. 153a0b77368SYang, Bo 154a0b77368SYang, Bo1 Release Date : Tues. March 26, 2009 10:12:45 PST 2009 - 155a0b77368SYang, Bo (emaild-id:megaraidlinux@lsi.com) 156a0b77368SYang, Bo Bo Yang 157a0b77368SYang, Bo 158a0b77368SYang, Bo2 Current Version : 00.00.04.06 159a0b77368SYang, Bo3 Older Version : 00.00.04.04 160a0b77368SYang, Bo 161a0b77368SYang, Bo1. Add the fix of the driver cmd empty fix of the driver cmd empty. 162a0b77368SYang, Bo2. Add the fix of the driver MSM AEN CMD cause the system slow. 163a0b77368SYang, Bo 164a0b77368SYang, Bo1 Release Date : Tues. March 03, 2009 10:12:45 PST 2009 - 165a0b77368SYang, Bo (emaild-id:megaraidlinux@lsi.com) 166a0b77368SYang, Bo Bo Yang 167a0b77368SYang, Bo 168a0b77368SYang, Bo2 Current Version : 00.00.04.04 169a0b77368SYang, Bo3 Older Version : 00.00.04.01 170a0b77368SYang, Bo 171a0b77368SYang, Bo1. Add the Tape drive fix to the driver: If the command is for 172a0b77368SYang, Bo the tape device, set the pthru timeout to the os layer timeout value. 173a0b77368SYang, Bo 174a0b77368SYang, Bo2. Add Poll_wait mechanism to Gen-2 Linux driv. 175a0b77368SYang, Bo In the aen handler, driver needs to wakeup poll handler similar to 176a0b77368SYang, Bo the way it raises SIGIO. 177a0b77368SYang, Bo 178a0b77368SYang, Bo3. Add new controller new SAS2 support to the driver. 179a0b77368SYang, Bo 180a0b77368SYang, Bo4. Report the unconfigured PD (system PD) to OS. 181a0b77368SYang, Bo 182a0b77368SYang, Bo5. Add the IEEE SGL support to the driver 183a0b77368SYang, Bo 184a0b77368SYang, Bo6. Reasign the Application cmds to SAS2 controller 18524541f99SYang, Bo 18624541f99SYang, Bo1 Release Date : Thur.July. 24 11:41:51 PST 2008 - 18724541f99SYang, Bo (emaild-id:megaraidlinux@lsi.com) 18824541f99SYang, Bo Sumant Patro 18924541f99SYang, Bo Bo Yang 19024541f99SYang, Bo 19124541f99SYang, Bo2 Current Version : 00.00.04.01 19224541f99SYang, Bo3 Older Version : 00.00.03.22 19324541f99SYang, Bo 19424541f99SYang, Bo1. Add the new controller (0078, 0079) support to the driver 19524541f99SYang, Bo Those controllers are LSI's next generatation(gen2) SAS controllers. 19624541f99SYang, Bo 19724541f99SYang, Bo1 Release Date : Mon.June. 23 10:12:45 PST 2008 - 19824541f99SYang, Bo (emaild-id:megaraidlinux@lsi.com) 19924541f99SYang, Bo Sumant Patro 20024541f99SYang, Bo Bo Yang 20124541f99SYang, Bo 20224541f99SYang, Bo2 Current Version : 00.00.03.22 20324541f99SYang, Bo3 Older Version : 00.00.03.20 20424541f99SYang, Bo 20524541f99SYang, Bo1. Add shutdown DCMD cmd to the shutdown routine to make FW shutdown proper. 20624541f99SYang, Bo2. Unexpected interrupt occurs in HWR Linux driver, add the dumy readl pci flush will fix this issue. 20724541f99SYang, Bo 208127ce971Sbo yang1 Release Date : Mon. March 10 11:02:31 PDT 2008 - 209127ce971Sbo yang (emaild-id:megaraidlinux@lsi.com) 210127ce971Sbo yang Sumant Patro 211127ce971Sbo yang Bo Yang 212127ce971Sbo yang 213127ce971Sbo yang2 Current Version : 00.00.03.20-RC1 214127ce971Sbo yang3 Older Version : 00.00.03.16 215127ce971Sbo yang 216127ce971Sbo yang1. Rollback the sense info implementation 217127ce971Sbo yang Sense buffer ptr data type in the ioctl path is reverted back 218127ce971Sbo yang to u32 * as in previous versions of driver. 219127ce971Sbo yang 220127ce971Sbo yang2. Fixed the driver frame count. 221127ce971Sbo yang When Driver sent wrong frame count to firmware. As this 222127ce971Sbo yang particular command is sent to drive, FW is seeing continuous 223127ce971Sbo yang chip resets and so the command will timeout. 224127ce971Sbo yang 225127ce971Sbo yang3. Add the new controller(1078DE) support to the driver 226127ce971Sbo yang and Increase the max_wait to 60 from 10 in the controller 227127ce971Sbo yang operational status. With this max_wait increase, driver will 228127ce971Sbo yang make sure the FW will finish the pending cmd for KDUMP case. 229127ce971Sbo yang 230f28cd7cfSbo yang1 Release Date : Thur. Nov. 07 16:30:43 PST 2007 - 231f28cd7cfSbo yang (emaild-id:megaraidlinux@lsi.com) 232f28cd7cfSbo yang Sumant Patro 233f28cd7cfSbo yang Bo Yang 234f28cd7cfSbo yang 235f28cd7cfSbo yang2 Current Version : 00.00.03.16 236f28cd7cfSbo yang3 Older Version : 00.00.03.15 237f28cd7cfSbo yang 238f28cd7cfSbo yang1. Increased MFI_POLL_TIMEOUT_SECS to 60 seconds from 10. FW may take 239f28cd7cfSbo yang a max of 60 seconds to respond to the INIT cmd. 240f28cd7cfSbo yang 241f28cd7cfSbo yang1 Release Date : Fri. Sep. 07 16:30:43 PST 2007 - 242f28cd7cfSbo yang (emaild-id:megaraidlinux@lsi.com) 243f28cd7cfSbo yang Sumant Patro 244f28cd7cfSbo yang Bo Yang 245f28cd7cfSbo yang 246f28cd7cfSbo yang2 Current Version : 00.00.03.15 247f28cd7cfSbo yang3 Older Version : 00.00.03.14 248f28cd7cfSbo yang 249f28cd7cfSbo yang1. Added module parameter "poll_mode_io" to support for "polling" 250f28cd7cfSbo yang (reduced interrupt operation). In this mode, IO completion 251f28cd7cfSbo yang interrupts are delayed. At the end of initiating IOs, the 252f28cd7cfSbo yang driver schedules for cmd completion if there are pending cmds 253f28cd7cfSbo yang to be completed. A timer-based interrupt has also been added 254f28cd7cfSbo yang to prevent IO completion processing from being delayed 255f28cd7cfSbo yang indefinitely in the case that no new IOs are initiated. 256f28cd7cfSbo yang 257f28cd7cfSbo yang1 Release Date : Fri. Sep. 07 16:30:43 PST 2007 - 258f28cd7cfSbo yang (emaild-id:megaraidlinux@lsi.com) 259f28cd7cfSbo yang Sumant Patro 260f28cd7cfSbo yang Bo Yang 261f28cd7cfSbo yang 262f28cd7cfSbo yang2 Current Version : 00.00.03.14 263f28cd7cfSbo yang3 Older Version : 00.00.03.13 264f28cd7cfSbo yang 265f28cd7cfSbo yang1. Setting the max_sectors_per_req based on max SGL supported by the 266f28cd7cfSbo yang FW. Prior versions calculated this value from controller info 267f28cd7cfSbo yang (max_sectors_1, max_sectors_2). For certain controllers/FW, 268f28cd7cfSbo yang this was resulting in a value greater than max SGL supported 269f28cd7cfSbo yang by the FW. Issue was first reported by users running LUKS+XFS 270f28cd7cfSbo yang with megaraid_sas. Thanks to RB for providing the logs and 271f28cd7cfSbo yang duplication steps that helped to get to the root cause of the 272f28cd7cfSbo yang issue. 2. Increased MFI_POLL_TIMEOUT_SECS to 60 seconds from 273f28cd7cfSbo yang 10. FW may take a max of 60 seconds to respond to the INIT 274f28cd7cfSbo yang cmd. 275f28cd7cfSbo yang 276f28cd7cfSbo yang1 Release Date : Fri. June. 15 16:30:43 PST 2007 - 277f28cd7cfSbo yang (emaild-id:megaraidlinux@lsi.com) 278f28cd7cfSbo yang Sumant Patro 279f28cd7cfSbo yang Bo Yang 280f28cd7cfSbo yang 281f28cd7cfSbo yang2 Current Version : 00.00.03.13 282f28cd7cfSbo yang3 Older Version : 00.00.03.12 283f28cd7cfSbo yang 284f28cd7cfSbo yang1. Added the megasas_reset_timer routine to intercept cmd timeout and throttle io. 285f28cd7cfSbo yang 286f28cd7cfSbo yangOn Fri, 2007-03-16 at 16:44 -0600, James Bottomley wrote: 287f28cd7cfSbo yangIt looks like megaraid_sas at least needs this to throttle its commands 288f28cd7cfSbo yang> as they begin to time out. The code keeps the existing transport 289f28cd7cfSbo yang> template use of eh_timed_out (and allows the transport to override the 290f28cd7cfSbo yang> host if they both have this callback). 291f28cd7cfSbo yang> 292f28cd7cfSbo yang> James 293f28cd7cfSbo yang 294f28cd7cfSbo yang1 Release Date : Sat May. 12 16:30:43 PST 2007 - 295f28cd7cfSbo yang (emaild-id:megaraidlinux@lsi.com) 296f28cd7cfSbo yang Sumant Patro 297f28cd7cfSbo yang Bo Yang 298f28cd7cfSbo yang 299f28cd7cfSbo yang2 Current Version : 00.00.03.12 300f28cd7cfSbo yang3 Older Version : 00.00.03.11 301f28cd7cfSbo yang 302f28cd7cfSbo yang1. When MegaSAS driver receives reset call from OS, driver waits in reset 303f28cd7cfSbo yangroutine for max 3 minutes for all pending command completion. Now driver will 304f28cd7cfSbo yangcall completion routine every 5 seconds from the reset routine instead of 305f28cd7cfSbo yangwaiting for depending on cmd completion from isr path. 306f28cd7cfSbo yang 307f28cd7cfSbo yang1 Release Date : Mon Apr. 30 10:25:52 PST 2007 - 308f28cd7cfSbo yang (emaild-id:megaraidlinux@lsi.com) 309f28cd7cfSbo yang Sumant Patro 310f28cd7cfSbo yang Bo Yang 311f28cd7cfSbo yang 312f28cd7cfSbo yang2 Current Version : 00.00.03.11 313f28cd7cfSbo yang3 Older Version : 00.00.03.09 314f28cd7cfSbo yang 315f28cd7cfSbo yang 1. Memory Manager for IOCTL removed for 2.6 kernels. 316f28cd7cfSbo yang pci_alloc_consistent replaced by dma_alloc_coherent. With this 317f28cd7cfSbo yang change there is no need of memory manager in the driver code 318f28cd7cfSbo yang 319f28cd7cfSbo yang On Wed, 2007-02-07 at 13:30 -0800, Andrew Morton wrote: 320f28cd7cfSbo yang > I suspect all this horror is due to stupidity in the DMA API. 321f28cd7cfSbo yang > 322f28cd7cfSbo yang > pci_alloc_consistent() just goes and assumes GFP_ATOMIC, whereas 323f28cd7cfSbo yang > the caller (megasas_mgmt_fw_ioctl) would have been perfectly happy 324f28cd7cfSbo yang > to use GFP_KERNEL. 325f28cd7cfSbo yang > 326f28cd7cfSbo yang > I bet this fixes it 327f28cd7cfSbo yang 328f28cd7cfSbo yang It does, but the DMA API was expanded to cope with this exact case, so 329f28cd7cfSbo yang use dma_alloc_coherent() directly in the megaraid code instead. The dev 330f28cd7cfSbo yang is just &pci_dev->dev. 331f28cd7cfSbo yang 332f28cd7cfSbo yang James <James.Bottomley@SteelEye.com> 333f28cd7cfSbo yang 334f28cd7cfSbo yang 3. SYNCHRONIZE_CACHE is not supported by FW and thus blocked by driver. 335f28cd7cfSbo yang 4. Hibernation support added 336f28cd7cfSbo yang 5. Performing diskdump while running IO in RHEL 4 was failing. Fixed. 337f28cd7cfSbo yang 338f28cd7cfSbo yang1 Release Date : Fri Feb. 09 14:36:28 PST 2007 - 339f28cd7cfSbo yang (emaild-id:megaraidlinux@lsi.com) 340f28cd7cfSbo yang Sumant Patro 341f28cd7cfSbo yang Bo Yang 342f28cd7cfSbo yang 343f28cd7cfSbo yang2 Current Version : 00.00.03.09 344f28cd7cfSbo yang3 Older Version : 00.00.03.08 345f28cd7cfSbo yang 346f28cd7cfSbo yangi. Under heavy IO mid-layer prints "DRIVER_TIMEOUT" errors 347f28cd7cfSbo yang 348f28cd7cfSbo yang The driver now waits for 10 seconds to elapse instead of 5 (as in 349f28cd7cfSbo yang previous release) to resume IO. 350f28cd7cfSbo yang 351f28cd7cfSbo yang1 Release Date : Mon Feb. 05 11:35:24 PST 2007 - 352f28cd7cfSbo yang (emaild-id:megaraidlinux@lsi.com) 353f28cd7cfSbo yang Sumant Patro 354f28cd7cfSbo yang Bo Yang 355f28cd7cfSbo yang2 Current Version : 00.00.03.08 356f28cd7cfSbo yang3 Older Version : 00.00.03.07 357f28cd7cfSbo yang 358f28cd7cfSbo yangi. Under heavy IO mid-layer prints "DRIVER_TIMEOUT" errors 359f28cd7cfSbo yang 360f28cd7cfSbo yang Fix: The driver is now throttling IO. 361f28cd7cfSbo yang Checks added in megasas_queue_command to know if FW is able to 362f28cd7cfSbo yang process commands within timeout period. If number of retries 363f28cd7cfSbo yang is 2 or greater,the driver stops sending cmd to FW temporarily. IO is 364f28cd7cfSbo yang resumed if pending cmd count reduces to 16 or 5 seconds has elapsed 365f28cd7cfSbo yang from the time cmds were last sent to FW. 366f28cd7cfSbo yang 367f28cd7cfSbo yangii. FW enables WCE bit in Mode Sense cmd for drives that are configured 368f28cd7cfSbo yang as WriteBack. The OS may send "SYNCHRONIZE_CACHE" cmd when Logical 369f28cd7cfSbo yang Disks are exposed with WCE=1. User is advised to enable Write Back 370f28cd7cfSbo yang mode only when the controller has battery backup. At this time 371f28cd7cfSbo yang Synhronize cache is not supported by the FW. Driver will short-cycle 372af901ca1SAndré Goddard Rosa the cmd and return success without sending down to FW. 373f28cd7cfSbo yang 374f28cd7cfSbo yang1 Release Date : Sun Jan. 14 11:21:32 PDT 2007 - 375f28cd7cfSbo yang Sumant Patro <Sumant.Patro@lsil.com>/Bo Yang 376f28cd7cfSbo yang2 Current Version : 00.00.03.07 377f28cd7cfSbo yang3 Older Version : 00.00.03.06 378f28cd7cfSbo yang 379f28cd7cfSbo yangi. bios_param entry added in scsi_host_template that returns disk geometry 380f28cd7cfSbo yang information. 381f28cd7cfSbo yang 382f28cd7cfSbo yang1 Release Date : Fri Oct 20 11:21:32 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com>/Bo Yang 383f28cd7cfSbo yang2 Current Version : 00.00.03.06 384f28cd7cfSbo yang3 Older Version : 00.00.03.05 385f28cd7cfSbo yang 386f28cd7cfSbo yang1. Added new memory management module to support the IOCTL memory allocation. For IOCTL we try to allocate from the memory pool created during driver initialization. If mem pool is empty then we allocate at run time. 387f28cd7cfSbo yang2. Added check in megasas_queue_command and dpc/isr routine to see if we have already declared adapter dead 388f28cd7cfSbo yang (hw_crit_error=1). If hw_crit_error==1, now we donot accept any processing of pending cmds/accept any cmd from OS 389e4a082c7SSumant Patro 3902a3681e5SSumant Patro1 Release Date : Mon Oct 02 11:21:32 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com> 3912a3681e5SSumant Patro2 Current Version : 00.00.03.05 3922a3681e5SSumant Patro3 Older Version : 00.00.03.04 3932a3681e5SSumant Patro 3942a3681e5SSumant Patroi. PCI_DEVICE macro used 3952a3681e5SSumant Patro 3962a3681e5SSumant Patro Convert the pci_device_id-table of the megaraid_sas-driver to the PCI_DEVICE-macro, to safe some lines. 3972a3681e5SSumant Patro 3982a3681e5SSumant Patro - Henrik Kretzschmar <henne@nachtwindheim.de> 3992a3681e5SSumant Patroii. All compiler warnings removed 4002a3681e5SSumant Patroiii. megasas_ctrl_info struct reverted to 3.02 release 4012a3681e5SSumant Patroiv. Default value of megasas_dbg_lvl set to 0 4022a3681e5SSumant Patrov. Removing in megasas_exit the sysfs entry created for megasas_dbg_lvl 4032a3681e5SSumant Patrovi. In megasas_teardown_frame_pool(), cmd->frame was passed instead of 4042a3681e5SSumant Patro cmd->sense to pci_pool_free. Fixed. Bug was pointed out by 4052a3681e5SSumant Patro Eric Sesterhenn 4062a3681e5SSumant Patro 4072a3681e5SSumant Patro1 Release Date : Wed Sep 13 14:22:51 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com> 4082a3681e5SSumant Patro2 Current Version : 00.00.03.04 4092a3681e5SSumant Patro3 Older Version : 00.00.03.03 4102a3681e5SSumant Patro 4112a3681e5SSumant Patroi. Added Reboot notify 4122a3681e5SSumant Patroii. Reduced by 1 max cmds sent to FW from Driver to make the reply_q_sz same 4132a3681e5SSumant Patro as Max Cmds FW can support 4142a3681e5SSumant Patro 4152a3681e5SSumant Patro1 Release Date : Tue Aug 22 16:33:14 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com> 4162a3681e5SSumant Patro2 Current Version : 00.00.03.03 4172a3681e5SSumant Patro3 Older Version : 00.00.03.02 4182a3681e5SSumant Patro 4192a3681e5SSumant Patroi. Send stop adapter to FW & Dump pending FW cmds before declaring adapter dead. 4202a3681e5SSumant Patro New varible added to set dbg level. 4212a3681e5SSumant Patroii. Disable interrupt made as fn pointer as they are different for 1068 / 1078 4222a3681e5SSumant Patroiii. Frame count optimization. Main frame can contain 2 SGE for 64 bit SGLs and 4232a3681e5SSumant Patro 3 SGE for 32 bit SGL 4242a3681e5SSumant Patroiv. Tasklet added for cmd completion 4252a3681e5SSumant Patrov. If FW in operational state before firing INIT, now we send RESET Flag to FW instead of just READY. This is used to do soft reset. 4262a3681e5SSumant Patrovi. megasas_ctrl_prop structure updated (based on FW struct) 4272a3681e5SSumant Patrovii. Added print : FW now in Ready State during initialization 4282a3681e5SSumant Patro 4292a3681e5SSumant Patro1 Release Date : Sun Aug 06 22:49:52 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com> 4302a3681e5SSumant Patro2 Current Version : 00.00.03.02 4312a3681e5SSumant Patro3 Older Version : 00.00.03.01 4322a3681e5SSumant Patro 4332a3681e5SSumant Patroi. Added FW tranistion state for Hotplug scenario 4342a3681e5SSumant Patro 4350e98936cSSumant Patro1 Release Date : Sun May 14 22:49:52 PDT 2006 - Sumant Patro <Sumant.Patro@lsil.com> 4360e98936cSSumant Patro2 Current Version : 00.00.03.01 4370e98936cSSumant Patro3 Older Version : 00.00.02.04 4380e98936cSSumant Patro 4390e98936cSSumant Patroi. Added support for ZCR controller. 4400e98936cSSumant Patro 4410e98936cSSumant Patro New device id 0x413 added. 4420e98936cSSumant Patro 4430e98936cSSumant Patroii. Bug fix : Disable controller interrupt before firing INIT cmd to FW. 4440e98936cSSumant Patro 4450e98936cSSumant Patro Interrupt is enabled after required initialization is over. 4460e98936cSSumant Patro This is done to ensure that driver is ready to handle interrupts when 4470e98936cSSumant Patro it is generated by the controller. 4480e98936cSSumant Patro 4490e98936cSSumant Patro -Sumant Patro <Sumant.Patro@lsil.com> 4500e98936cSSumant Patro 451e4a082c7SSumant Patro1 Release Date : Wed Feb 03 14:31:44 PST 2006 - Sumant Patro <Sumant.Patro@lsil.com> 452e4a082c7SSumant Patro2 Current Version : 00.00.02.04 453e4a082c7SSumant Patro3 Older Version : 00.00.02.04 454e4a082c7SSumant Patro 455e4a082c7SSumant Patroi. Remove superflous instance_lock 456e4a082c7SSumant Patro 457e4a082c7SSumant Patro gets rid of the otherwise superflous instance_lock and avoids an unsave 458e4a082c7SSumant Patro unsynchronized access in the error handler. 459e4a082c7SSumant Patro 460e4a082c7SSumant Patro - Christoph Hellwig <hch@lst.de> 461e4a082c7SSumant Patro 462e4a082c7SSumant Patro 463f9876f0bSSumant Patro1 Release Date : Wed Feb 03 14:31:44 PST 2006 - Sumant Patro <Sumant.Patro@lsil.com> 464f9876f0bSSumant Patro2 Current Version : 00.00.02.04 465f9876f0bSSumant Patro3 Older Version : 00.00.02.04 466f9876f0bSSumant Patro 467f9876f0bSSumant Patroi. Support for 1078 type (ppc IOP) controller, device id : 0x60 added. 468f9876f0bSSumant Patro During initialization, depending on the device id, the template members 469f9876f0bSSumant Patro are initialized with function pointers specific to the ppc or 470f9876f0bSSumant Patro xscale controllers. 471f9876f0bSSumant Patro 472f9876f0bSSumant Patro -Sumant Patro <Sumant.Patro@lsil.com> 473f9876f0bSSumant Patro 474122da302SJoshua Giles1 Release Date : Fri Feb 03 14:16:25 PST 2006 - Sumant Patro 475122da302SJoshua Giles <Sumant.Patro@lsil.com> 476122da302SJoshua Giles2 Current Version : 00.00.02.04 477122da302SJoshua Giles3 Older Version : 00.00.02.02 478122da302SJoshua Gilesi. Register 16 byte CDB capability with scsi midlayer 479122da302SJoshua Giles 480122da302SJoshua Giles "Ths patch properly registers the 16 byte command length capability of the 481122da302SJoshua Giles megaraid_sas controlled hardware with the scsi midlayer. All megaraid_sas 482122da302SJoshua Giles hardware supports 16 byte CDB's." 483122da302SJoshua Giles 484122da302SJoshua Giles -Joshua Giles <joshua_giles@dell.com> 485122da302SJoshua Giles 4861341c939SSumant Patro1 Release Date : Mon Jan 23 14:09:01 PST 2006 - Sumant Patro <Sumant.Patro@lsil.com> 4871341c939SSumant Patro2 Current Version : 00.00.02.02 4881341c939SSumant Patro3 Older Version : 00.00.02.01 4891341c939SSumant Patro 4901341c939SSumant Patroi. New template defined to represent each family of controllers (identified by processor used). 4911341c939SSumant Patro The template will have defintions that will be initialised to appropritae values for a specific family of controllers. The template definition has four function pointers. During driver initialisation the function pointers will be set based on the controller family type. This change is done to support new controllers that has different processors and thus different register set. 4921341c939SSumant Patro 4931341c939SSumant Patro -Sumant Patro <Sumant.Patro@lsil.com> 4941341c939SSumant Patro 495cb59aa6aSSumant Patro1 Release Date : Mon Dec 19 14:36:26 PST 2005 - Sumant Patro <Sumant.Patro@lsil.com> 496cb59aa6aSSumant Patro2 Current Version : 00.00.02.00-rc4 497cb59aa6aSSumant Patro3 Older Version : 00.00.02.01 498cb59aa6aSSumant Patro 499cb59aa6aSSumant Patroi. Code reorganized to remove code duplication in megasas_build_cmd. 500cb59aa6aSSumant Patro 501cb59aa6aSSumant Patro "There's a lot of duplicate code megasas_build_cmd. Move that out of the different codepathes and merge the reminder of megasas_build_cmd into megasas_queue_command" 502cb59aa6aSSumant Patro 503cb59aa6aSSumant Patro - Christoph Hellwig <hch@lst.de> 504cb59aa6aSSumant Patro 505cb59aa6aSSumant Patroii. Defined MEGASAS_IOC_FIRMWARE32 for code paths that handles 32 bit applications in 64 bit systems. 506cb59aa6aSSumant Patro 507cb59aa6aSSumant Patro "MEGASAS_IOC_FIRMWARE can't be redefined if CONFIG_COMPAT is set, we need to define a MEGASAS_IOC_FIRMWARE32 define so native binaries continue to work" 508cb59aa6aSSumant Patro 509cb59aa6aSSumant Patro - Christoph Hellwig <hch@lst.de> 510