linux-toradex.git/drivers/scsi/stex.c, branch v5.0 Linux kernel for Apalis and Colibri modules scsi: remove the use_clustering flag 2018-12-19T04:19:21+00:00 Christoph Hellwig hch@lst.de 2018-12-13T15:17:09+00:00 4af14d113bcf95c12d1462ba623b7e7117bd3fb3 The same effects can be achieved by setting the dma_boundary to PAGE_SIZE - 1 and the max_segment_size to PAGE_SIZE, so shift those settings into the drivers. Note that in many cases the setting might be bogus, but this keeps the status quo. [mkp: fix myrs and myrb] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> 
The same effects can be achieved by setting the dma_boundary to
PAGE_SIZE - 1 and the max_segment_size to PAGE_SIZE, so shift those
settings into the drivers.  Note that in many cases the setting might
be bogus, but this keeps the status quo.

[mkp: fix myrs and myrb]

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
scsi: make sure all drivers set the use_clustering flag 2018-12-19T04:08:07+00:00 Christoph Hellwig hch@lst.de 2018-12-13T15:17:01+00:00 4dd4130a722fb046e941010cf5576aed252bb58a A few drivers were not setting the use_clustering flag at all and thus default to disable. Fix them up to explicitly set this field in preparation for additional cleanups. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> 
A few drivers were not setting the use_clustering flag at all and thus
default to disable.  Fix them up to explicitly set this field in
preparation for additional cleanups.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
scsi: stex: use dma_set_mask_and_coherent 2018-11-15T19:27:08+00:00 Christoph Hellwig hch@lst.de 2018-10-18T13:10:23+00:00 b5a4ad1db5fd6d1093e415e1949421d65c4a44a0 The driver currently uses pci_set_dma_mask despite otherwise using the generic DMA API. Switch it over to the better generic DMA API. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> 
The driver currently uses pci_set_dma_mask despite otherwise using the
generic DMA API.  Switch it over to the better generic DMA API.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
scsi: stex: make S6flag static 2017-04-26T22:32:29+00:00 Colin Ian King colin.king@canonical.com 2017-04-25T17:36:19+00:00 9385c5be5ce03d023a1cd860376aed7fd1f3a5b3 This module specific flag can be made static as it does not need to be in global scope. Signed-off-by: Colin Ian King <colin.king@canonical.com> Acked-by: Charles Chiou <charles.chiou@tw.promise.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> 
This module specific flag can be made static as it does not need to be
in global scope.

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Acked-by: Charles Chiou <charles.chiou@tw.promise.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
scsi: stex: Add S6 support 2017-03-15T23:22:10+00:00 Charles charles.chiou@tw.promise.com 2017-02-17T02:52:38+00:00 61b745fa63dbac366104c3585c0866562a8292be 1. Add reboot notifier and register it in stex_probe for all supported device. 2. For all supported device in restart flow, we get a callback from notifier and set S6flag for stex_shutdown & stex_hba_stop to send restart command to FW. Signed-off-by: Charles.Chiou <charles.chiou@tw.promise.com> Signed-off-by: Paul.Lyu <paul.lyu@tw.promise.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> 
1. Add reboot notifier and register it in stex_probe for all supported
   device.

2. For all supported device in restart flow, we get a callback from
   notifier and set S6flag for stex_shutdown & stex_hba_stop to send
   restart command to FW.

Signed-off-by: Charles.Chiou <charles.chiou@tw.promise.com>
Signed-off-by: Paul.Lyu <paul.lyu@tw.promise.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
scsi: stex: Support Pegasus 3 product 2017-03-15T23:20:13+00:00 Charles charles.chiou@tw.promise.com 2017-02-17T02:51:34+00:00 d65702272c8d35afc8d7e85fa8100a914f0b787f Pegasus series is a RAID support product using Thunderbolt technology. The newest product, Pegasus 3(P3) supports Thunderbolt 3 technology with a different chip. 1. Change driver version. 2. Add P3 VID, DID and define it's device address. 3. P3 use msi interrupt, so stex_request_irq P3 type enable msi. 4. For hibernation, use msi_lock in stex_ss_handshake to prevent msi register write again when handshaking. 5. P3 doesn't need read() as flush. 6. In stex_ss_intr & stex_abort, P3 only clear interrupt register when getting vendor defined interrupt. Signed-off-by: Charles.Chiou <charles.chiou@tw.promise.com> Signed-off-by: Paul.Lyu <paul.lyu@tw.promise.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> 
Pegasus series is a RAID support product using Thunderbolt technology.
The newest product, Pegasus 3(P3) supports Thunderbolt 3 technology with
a different chip.

1. Change driver version.

2. Add P3 VID, DID and define it's device address.

3. P3 use msi interrupt, so stex_request_irq P3 type enable msi.

4. For hibernation, use msi_lock in stex_ss_handshake to prevent msi
   register write again when handshaking.

5. P3 doesn't need read() as flush.

6. In stex_ss_intr & stex_abort, P3 only clear interrupt register when
   getting vendor defined interrupt.

Signed-off-by: Charles.Chiou <charles.chiou@tw.promise.com>
Signed-off-by: Paul.Lyu <paul.lyu@tw.promise.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
stex: Add S3/S4 support 2016-02-24T02:27:02+00:00 Charles charles.chiou@tw.promise.com 2016-02-22T12:07:09+00:00 797150b98a34a27356195d5888c8eac0e2cc6b65 Add S3/S4 support, add .suspend and .resume function in pci_driver. In .suspend handler, driver send S3/S4 signal to the device. Signed-off-by: Charles Chiou <charles.chiou@tw.promise.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> 
Add S3/S4 support, add .suspend and .resume function in pci_driver.  In
.suspend handler, driver send S3/S4 signal to the device.

Signed-off-by: Charles Chiou <charles.chiou@tw.promise.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
stex: Add hotplug support 2016-02-24T02:27:02+00:00 Charles charles.chiou@tw.promise.com 2016-02-22T12:04:25+00:00 45b42adbec68872529e4e24ba7570de367240818 1. Add hotplug support. Pegasus support surprise removal. To this end, I use return_abnormal_state function to return DID_NO_CONNECT for all commands which sent to driver. 2. Remove stex_hba_stop in stex_remove because we cannot send command to device after hotplug. 3. Add new device status: MU_STATE_STOP, MU_STATE_NOCONNECT, MU_STATE_STOP. MU_STATE_STOP is currently not referenced. MU_STATE_NOCONNECT represent that device is plugged out from the host. 4. Use return_abnormal_function() to substitute part of code in stex_do_reset. Signed-off-by: Charles Chiou <charles.chiou@tw.promise.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> 
1. Add hotplug support. Pegasus support surprise removal. To this end, I
   use return_abnormal_state function to return DID_NO_CONNECT for all
   commands which sent to driver.

2. Remove stex_hba_stop in stex_remove because we cannot send command to
   device after hotplug.

3. Add new device status: MU_STATE_STOP, MU_STATE_NOCONNECT,
   MU_STATE_STOP. MU_STATE_STOP is currently not referenced.
   MU_STATE_NOCONNECT represent that device is plugged out from the
   host.

4. Use return_abnormal_function() to substitute part of code in
   stex_do_reset.

Signed-off-by: Charles Chiou <charles.chiou@tw.promise.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
stex: Support to Pegasus series. 2016-02-24T02:27:02+00:00 Charles charles.chiou@tw.promise.com 2016-02-22T12:02:02+00:00 1ec364e6a33a748c30411737b01257b1c976d297 Pegasus is a high performace hardware RAID solution designed to unleash the raw power of Thunderbolt technology. 1. Add code to distinct SuperTrack and Pegasus series by sub device ID. It should support backward compatibility. 2. Change the driver version. Signed-off-by: Charles Chiou <charles.chiou@tw.promise.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> 
Pegasus is a high performace hardware RAID solution designed to unleash
the raw power of Thunderbolt technology.

1. Add code to distinct SuperTrack and Pegasus series by sub device ID.
   It should support backward compatibility.

2. Change the driver version.

Signed-off-by: Charles Chiou <charles.chiou@tw.promise.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
stex: Remove use of struct timeval 2015-11-10T01:42:19+00:00 Tina Ruchandani ruchandani.tina@gmail.com 2015-10-30T08:30:40+00:00 0da39687a15403251bdfd1c6fb18025c0607326b Function stex_gettime uses 'struct timeval' whose tv_sec value will overflow on 32-bit systems in year 2038 and beyond. This patch replaces the use of struct timeval and do_gettimeofday with ktime_get_real_seconds, which returns a 64-bit seconds value. Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: James Bottomley <JBottomley@Odin.com> 
Function stex_gettime uses 'struct timeval' whose tv_sec value
will overflow on 32-bit systems in year 2038 and beyond. This patch
replaces the use of struct timeval and do_gettimeofday with
ktime_get_real_seconds, which returns a 64-bit seconds value.

Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Tina Ruchandani <ruchandani.tina@gmail.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>