Revision tags: v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2, v5.15.1, v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11, v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14, v5.10, v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43, v5.4.42, v5.4.41, v5.4.40, v5.4.39, v5.4.38, v5.4.37, v5.4.36, v5.4.35, v5.4.34, v5.4.33, v5.4.32, v5.4.31, v5.4.30, v5.4.29, v5.6, v5.4.28, v5.4.27, v5.4.26, v5.4.25, v5.4.24, v5.4.23, v5.4.22, v5.4.21, v5.4.20, v5.4.19, v5.4.18, v5.4.17, v5.4.16, v5.5, v5.4.15, v5.4.14, v5.4.13, v5.4.12, v5.4.11, v5.4.10, v5.4.9, v5.4.8, v5.4.7, v5.4.6, v5.4.5, v5.4.4, v5.4.3, v5.3.15, v5.4.2, v5.4.1, v5.3.14, v5.4, v5.3.13, v5.3.12, v5.3.11, v5.3.10, v5.3.9, v5.3.8, v5.3.7, v5.3.6, v5.3.5, v5.3.4, v5.3.3, v5.3.2, v5.3.1, v5.3, v5.2.14, v5.3-rc8, v5.2.13, v5.2.12, v5.2.11, v5.2.10, v5.2.9, v5.2.8, v5.2.7, v5.2.6, v5.2.5, v5.2.4, v5.2.3, v5.2.2, v5.2.1, v5.2, v5.1.16, v5.1.15, v5.1.14, v5.1.13, v5.1.12, v5.1.11, v5.1.10, v5.1.9, v5.1.8, v5.1.7, v5.1.6 |
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2874c5fd |
| 27-May-2019 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify it under the terms of th
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 3029 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v5.1.5, v5.1.4, v5.1.3, v5.1.2, v5.1.1, v5.0.14, v5.1, v5.0.13, v5.0.12, v5.0.11, v5.0.10, v5.0.9, v5.0.8, v5.0.7, v5.0.6, v5.0.5, v5.0.4, v5.0.3, v4.19.29, v5.0.2, v4.19.28, v5.0.1, v4.19.27, v5.0, v4.19.26, v4.19.25, v4.19.24, v4.19.23, v4.19.22, v4.19.21, v4.19.20, v4.19.19, v4.19.18, v4.19.17, v4.19.16, v4.19.15, v4.19.14, v4.19.13, v4.19.12, v4.19.11, v4.19.10, v4.19.9, v4.19.8, v4.19.7, v4.19.6, v4.19.5, v4.19.4, v4.18.20, v4.19.3, v4.18.19, v4.19.2, v4.18.18, v4.18.17, v4.19.1, v4.19, v4.18.16, v4.18.15, v4.18.14, v4.18.13, v4.18.12, v4.18.11, v4.18.10, v4.18.9, v4.18.7, v4.18.6, v4.18.5, v4.17.18, v4.18.4, v4.18.3, v4.17.17, v4.18.2, v4.17.16, v4.17.15, v4.18.1, v4.18, v4.17.14, v4.17.13, v4.17.12, v4.17.11, v4.17.10, v4.17.9, v4.17.8, v4.17.7, v4.17.6, v4.17.5 |
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#
943e59fe |
| 05-Jul-2018 |
Cédric Le Goater <clg@kaod.org> |
scsi: cxlflash: fix assignment of the backend operations
commit cd43c221bb5e ("scsi: cxlflash: Isolate external module dependencies") introduced the use of ifdefs to avoid compilation errors when on
scsi: cxlflash: fix assignment of the backend operations
commit cd43c221bb5e ("scsi: cxlflash: Isolate external module dependencies") introduced the use of ifdefs to avoid compilation errors when one of the possible backend driver, CXL or OCXL, is not compiled.
Unfortunately, the wrong defines are used and the backend ops are never assigned, leading to a kernel crash in any case when the cxlflash module is loaded.
Signed-off-by: Cédric Le Goater <clg@kaod.org> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Revision tags: v4.17.4, v4.17.3, v4.17.2, v4.17.1, v4.17 |
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cd43c221 |
| 11-May-2018 |
Uma Krishnan <ukrishn@linux.vnet.ibm.com> |
scsi: cxlflash: Isolate external module dependencies
Depending on the underlying transport, cxlflash has a dependency on either the CXL or OCXL drivers, which are enabled via their Kconfig option. I
scsi: cxlflash: Isolate external module dependencies
Depending on the underlying transport, cxlflash has a dependency on either the CXL or OCXL drivers, which are enabled via their Kconfig option. Instead of having a module wide dependency on these config options, it is better to isolate the object modules that are dependent on the CXL and OCXL drivers and adjust the module dependencies accordingly.
This commit isolates the object files that are dependent on CXL and/or OCXL. The cxl/ocxl fops used in the core driver are tucked under an ifdef to avoid compilation errors.
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
de5d35af |
| 11-May-2018 |
Uma Krishnan <ukrishn@linux.vnet.ibm.com> |
scsi: cxlflash: Abstract hardware dependent assignments
As a staging cleanup to support transport specific builds of the cxlflash module, relocate device dependent assignments to header files. This
scsi: cxlflash: Abstract hardware dependent assignments
As a staging cleanup to support transport specific builds of the cxlflash module, relocate device dependent assignments to header files. This will avoid littering the core driver with conditional compilation logic.
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Revision tags: v4.16 |
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#
07d0c52f |
| 26-Mar-2018 |
Uma Krishnan <ukrishn@linux.vnet.ibm.com> |
scsi: cxlflash: Enable OCXL operations
This commit enables the OCXL operations for the OCXL devices.
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux
scsi: cxlflash: Enable OCXL operations
This commit enables the OCXL operations for the OCXL devices.
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Revision tags: v4.15, v4.13.16, v4.14 |
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#
0d419130 |
| 25-Oct-2017 |
Matthew R. Ochs <mrochs@linux.vnet.ibm.com> |
scsi: cxlflash: Allow cards without WWPN VPD to configure
Currently, all adapters that cxlflash supports must have WWPN VPD keywords to complete configuration. This was required as cards with extern
scsi: cxlflash: Allow cards without WWPN VPD to configure
Currently, all adapters that cxlflash supports must have WWPN VPD keywords to complete configuration. This was required as cards with external FC ports needed to be programmed with WWPNs.
Newer supported cards do not have an external FC interface and therefore do not require WWPN. To support backwards compatibility, these devices have included 'dummy' WWPN VPD with WWPN values of zero. This however places a dependency that all future cards have WWPN VPD, which may not always be the case.
Allow for cards to not have WWPN, designating which cards are expected to have it in order to configure properly.
Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Revision tags: v4.13.5, v4.13, v4.12 |
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bc88ac47 |
| 21-Jun-2017 |
Matthew R. Ochs <mrochs@linux.vnet.ibm.com> |
scsi: cxlflash: Support AFU debug
Adopt the SISLite AFU debug capability to allow future CXL Flash adapters the ability to better debug AFU issues. Update the SISLite header with the changes necessa
scsi: cxlflash: Support AFU debug
Adopt the SISLite AFU debug capability to allow future CXL Flash adapters the ability to better debug AFU issues. Update the SISLite header with the changes necessary to support AFU debug operations and create a host ioctl interface for user debug software. Also update the cxlflash documentation to describe this new host ioctl.
Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
9cf43a36 |
| 21-Jun-2017 |
Matthew R. Ochs <mrochs@linux.vnet.ibm.com> |
scsi: cxlflash: Support LUN provisioning
Adopt the SISLite AFU LUN provisioning capability to allow future CXL Flash adapters the ability to better manage storage. Update the SISLite header with the
scsi: cxlflash: Support LUN provisioning
Adopt the SISLite AFU LUN provisioning capability to allow future CXL Flash adapters the ability to better manage storage. Update the SISLite header with the changes necessary to support LUN provision operations and create a host ioctl interface for user LUN management software. Also update the cxlflash documentation to describe this new host ioctl.
Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
a834a36b |
| 21-Jun-2017 |
Uma Krishnan <ukrishn@linux.vnet.ibm.com> |
scsi: cxlflash: Create character device to provide host management interface
The cxlflash driver currently lacks host management interface. Future devices supported by cxlflash will provide a variet
scsi: cxlflash: Create character device to provide host management interface
The cxlflash driver currently lacks host management interface. Future devices supported by cxlflash will provide a variety of host-wide management functions. Examples include LUN provisioning, hardware debug support, and firmware download.
In order to provide a way to manage the device, a character device will be created during probe of each adapter. This device will support a set of ioctls defined in the SISLite specification from which administrators can manage the adapter.
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Revision tags: v4.10.17, v4.10.16, v4.10.15, v4.10.14, v4.10.13, v4.10.12, v4.10.11 |
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#
78ae028e |
| 12-Apr-2017 |
Matthew R. Ochs <mrochs@linux.vnet.ibm.com> |
scsi: cxlflash: Support dynamic number of FC ports
Transition from a static number of FC ports to a value that is derived during probe. For now, a static value is used but this will later be based o
scsi: cxlflash: Support dynamic number of FC ports
Transition from a static number of FC ports to a value that is derived during probe. For now, a static value is used but this will later be based on the type of card being configured.
Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Revision tags: v4.10.10, v4.10.9, v4.10.8, v4.10.7, v4.10.6, v4.10.5, v4.10.4, v4.10.3, v4.10.2, v4.10.1, v4.10 |
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#
94344520 |
| 16-Feb-2017 |
Matthew R. Ochs <mrochs@linux.vnet.ibm.com> |
scsi: cxlflash: Enable PCI device ID for future IBM CXL Flash AFU
Add support for a future IBM Coherent Accelerator (CXL) flash AFU with an ID of 0x0624.
Signed-off-by: Matthew R. Ochs <mrochs@linu
scsi: cxlflash: Enable PCI device ID for future IBM CXL Flash AFU
Add support for a future IBM Coherent Accelerator (CXL) flash AFU with an ID of 0x0624.
Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Revision tags: v4.9, openbmc-4.4-20161121-1, v4.4.33, v4.4.32, v4.4.31, v4.4.30, v4.4.29, v4.4.28, v4.4.27, v4.7.10, openbmc-4.4-20161021-1, v4.7.9, v4.4.26, v4.7.8, v4.4.25, v4.4.24, v4.7.7, v4.8, v4.4.23, v4.7.6, v4.7.5, v4.4.22, v4.4.21, v4.7.4, v4.7.3, v4.4.20, v4.7.2, v4.4.19, openbmc-4.4-20160819-1, v4.7.1, v4.4.18, v4.4.17, openbmc-4.4-20160804-1, v4.4.16, v4.7, openbmc-4.4-20160722-1, openbmc-20160722-1 |
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#
1e44727a |
| 17-Jul-2016 |
Andrew Donnellan <andrew.donnellan@au1.ibm.com> |
cxl: remove dead Kconfig options
Remove the CXL_KERNEL_API and CXL_EEH Kconfig options, as they were only needed to coordinate the merging of the cxlflash driver. Also remove the stub implementation
cxl: remove dead Kconfig options
Remove the CXL_KERNEL_API and CXL_EEH Kconfig options, as they were only needed to coordinate the merging of the cxlflash driver. Also remove the stub implementation of cxl_perst_reloads_same_image() in cxlflash which is only used if CXL_EEH isn't defined (i.e. never).
Suggested-by: Ian Munsie <imunsie@au1.ibm.com> Signed-off-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Acked-by: Ian Munsie <imunsie@au1.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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Revision tags: openbmc-20160713-1, v4.4.15, v4.6.4, v4.6.3, v4.4.14 |
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#
704c4b0d |
| 15-Jun-2016 |
Uma Krishnan <ukrishn@linux.vnet.ibm.com> |
cxlflash: Shutdown notify support for CXL Flash cards
Some CXL Flash cards need notification of device shutdown in order to flush pending I/Os.
A PCI notification hook for shutdown has been added w
cxlflash: Shutdown notify support for CXL Flash cards
Some CXL Flash cards need notification of device shutdown in order to flush pending I/Os.
A PCI notification hook for shutdown has been added where the driver notifies the card and returns. When the device is removed in the PCI remove path, notification code will wait for shutdown processing to complete.
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Acked-by: Manoj N. Kumar <manoj@linux.vnet.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
96e1b660 |
| 15-Jun-2016 |
Uma Krishnan <ukrishn@linux.vnet.ibm.com> |
cxlflash: Add device dependent flags
Device dependent flags are needed to support functions that are specific to a particular device.
One such case is - some CXL Flash cards need to be notified of
cxlflash: Add device dependent flags
Device dependent flags are needed to support functions that are specific to a particular device.
One such case is - some CXL Flash cards need to be notified of device shutdown. For other CXL devices, this feature does not prove to be useful yet. Such distinct features need to be identified in the driver to bypass or invoke specific functionality.
In this patch, a member 'flags' has been added to device dependent values. These flags will be used and expanded in the future to support various device specific functions.
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Acked-by: Manoj N. Kumar <manoj@linux.vnet.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Revision tags: v4.6.2, v4.4.13, openbmc-20160606-1, v4.6.1, v4.4.12, openbmc-20160521-1, v4.4.11, openbmc-20160518-1, v4.6, v4.4.10, openbmc-20160511-1, openbmc-20160505-1, v4.4.9, v4.4.8, v4.4.7, openbmc-20160329-2, openbmc-20160329-1 |
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#
9526f360 |
| 25-Mar-2016 |
Manoj N. Kumar <manoj@linux.vnet.ibm.com> |
cxlflash: Fix regression issue with re-ordering patch
While running 'sg_reset -H' back to back the following exception was seen:
[ 735.115695] Faulting instruction address: 0xd0000000098c0864 cpu
cxlflash: Fix regression issue with re-ordering patch
While running 'sg_reset -H' back to back the following exception was seen:
[ 735.115695] Faulting instruction address: 0xd0000000098c0864 cpu 0x0: Vector: 300 (Data Access) at [c000000ffffafa80] pc: d0000000098c0864: cxlflash_async_err_irq+0x84/0x5c0 [cxlflash] lr: c00000000013aed0: handle_irq_event_percpu+0xa0/0x310 sp: c000000ffffafd00 msr: 9000000000009033 dar: 2010000 dsisr: 40000000 current = 0xc000000001510880 paca = 0xc00000000fb80000 softe: 0 irq_happened: 0x01 pid = 0, comm = swapper/0
Linux version 4.5.0-491-26f710d+
enter ? for help [c000000ffffafe10] c00000000013aed0 handle_irq_event_percpu+0xa0/0x310 [c000000ffffafed0] c00000000013b1a8 handle_irq_event+0x68/0xc0 [c000000ffffaff00] c0000000001404ec handle_fasteoi_irq+0xec/0x2a0 [c000000ffffaff30] c00000000013a084 generic_handle_irq+0x54/0x80 [c000000ffffaff60] c000000000011130 __do_irq+0x80/0x1d0 [c000000ffffaff90] c000000000024d40 call_do_irq+0x14/0x24 [c000000001573a20] c000000000011318 do_IRQ+0x98/0x140 [c000000001573a70] c000000000002594 hardware_interrupt_common+0x114/0x180
This exception is being hit because the async_err interrupt path performs an MMIO to read the interrupt status register. The MMIO region in this case is not available.
Commit 6ded8b3cbd9a ("cxlflash: Unmap problem state area before detaching master context") re-ordered the sequence in which term_mc() and stop_afu() are called. This introduces a window for interrupts to come in with the problem space area unmapped, that did not exist previously.
The fix is to separate the disabling of all AFU interrupts to a distinct function, term_intr() so that it is the first thing that is done in the tear down process.
To keep the initialization process symmetric, separate the AFU interrupt setup also to a distinct function: init_intr().
Fixes: 6ded8b3cbd9a ("cxlflash: Unmap problem state area before detaching master context") Signed-off-by: Manoj N. Kumar <manoj@linux.vnet.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Revision tags: openbmc-20160321-1, v4.4.6, v4.5, v4.4.5, v4.4.4, v4.4.3, openbmc-20160222-1, v4.4.2, openbmc-20160212-1, openbmc-20160210-1, openbmc-20160202-2, openbmc-20160202-1, v4.4.1, openbmc-20160127-1, openbmc-20160120-1, v4.4, openbmc-20151217-1 |
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#
a2746fb1 |
| 14-Dec-2015 |
Manoj Kumar <manoj@linux.vnet.ibm.com> |
cxlflash: Enable device id for future IBM CXL adapter
This drop enables a future card with a device id of 0x0600 to be recognized by the cxlflash driver.
As per the design, the Accelerator Function
cxlflash: Enable device id for future IBM CXL adapter
This drop enables a future card with a device id of 0x0600 to be recognized by the cxlflash driver.
As per the design, the Accelerator Function Unit (AFU) for this new IBM CXL Flash Adapter retains the same host interface as the previous generation. For the early prototypes of the new card, the driver with this change behaves exactly as the driver prior to this behaved with the earlier generation card. Therefore, no card specific programming has been added. These card specific changes can be staged in later if needed.
Signed-off-by: Manoj N. Kumar <manoj@linux.vnet.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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#
85599218 |
| 14-Dec-2015 |
Uma Krishnan <ukrishn@linux.vnet.ibm.com> |
cxlflash: Removed driver date print
Having a date for the driver requires it to be updated quite often. Removing the date which is not necessary. Also made use of the existing symbol to print the dr
cxlflash: Removed driver date print
Having a date for the driver requires it to be updated quite often. Removing the date which is not necessary. Also made use of the existing symbol to print the driver name.
Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Reviewed-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Revision tags: openbmc-20151210-1, openbmc-20151202-1, openbmc-20151123-1, openbmc-20151118-1, openbmc-20151104-1, v4.3, openbmc-20151102-1, openbmc-20151028-1 |
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#
ef51074a |
| 21-Oct-2015 |
Matthew R. Ochs <mrochs@linux.vnet.ibm.com> |
cxlflash: Fix host link up event handling
Following a link up event, the LUNs available to the host may have changed. Without rescanning the host, the LUN topology is unknown to the user. In such a
cxlflash: Fix host link up event handling
Following a link up event, the LUNs available to the host may have changed. Without rescanning the host, the LUN topology is unknown to the user. In such a state, the user would be unable to locate provisioned resources.
To remedy, the host should be rescanned after a link up event.
Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Manoj N. Kumar <manoj@linux.vnet.ibm.com> Reviewed-by: Brian King <brking@linux.vnet.ibm.com> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Revision tags: v4.3-rc1, v4.2, v4.2-rc8, v4.2-rc7 |
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5cdac81a |
| 13-Aug-2015 |
Matthew R. Ochs <mrochs@linux.vnet.ibm.com> |
cxlflash: Base error recovery support
Introduce support for enhanced I/O error handling.
A device state is added to track 3 possible states of the device:
Normal - the device is operating normally
cxlflash: Base error recovery support
Introduce support for enhanced I/O error handling.
A device state is added to track 3 possible states of the device:
Normal - the device is operating normally and is fully operational
Limbo - the device is in a reset/recovery scenario and its operational status is paused
Failed/terminating - the device has either failed to be reset/recovered or is being terminated (removed); it is no longer operational
All operations are allowed when the device is operating normally. When the device transitions to limbo state, I/O must be paused. To help accomplish this, a wait queue is introduced where existing and new threads can wait until the device is no longer in limbo. When coming out of limbo, threads need to check the state and error out gracefully when encountering the failed state. When the device transitions to the failed/terminating state, normal operations are no longer allowed. Only specially designated operations related to graceful cleanup are permitted.
Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Manoj N. Kumar <manoj@linux.vnet.ibm.com> Reviewed-by: Daniel Axtens <dja@axtens.net> Reviewed-by: Michael Neuling <mikey@neuling.org> Reviewed-by: Wen Xiong <wenxiong@linux.vnet.ibm.com> Reviewed-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Revision tags: v4.2-rc6, v4.2-rc5, v4.2-rc4, v4.2-rc3, v4.2-rc2, v4.2-rc1, v4.1, v4.1-rc8 |
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#
c21e0bbf |
| 09-Jun-2015 |
Matthew R. Ochs <mrochs@linux.vnet.ibm.com> |
cxlflash: Base support for IBM CXL Flash Adapter
SCSI device driver to support filesystem access on the IBM CXL Flash adapter.
Supported-by: Stephen Bates <stephen.bates@pmcs.com> Reviewed-by: Mich
cxlflash: Base support for IBM CXL Flash Adapter
SCSI device driver to support filesystem access on the IBM CXL Flash adapter.
Supported-by: Stephen Bates <stephen.bates@pmcs.com> Reviewed-by: Michael Neuling <mikey@neuling.org> Signed-off-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Manoj N. Kumar <manoj@linux.vnet.ibm.com> Reviewed-by: Brian King <brking@linux.vnet.ibm.com> Signed-off-by: James Bottomley <JBottomley@Odin.com>
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Revision tags: v5.15.10, v5.15.9, v5.15.8, v5.15.7, v5.15.6, v5.15.5, v5.15.4, v5.15.3, v5.15.2, v5.15.1, v5.15, v5.14.14, v5.14.13, v5.14.12, v5.14.11, v5.14.10, v5.14.9, v5.14.8, v5.14.7, v5.14.6, v5.10.67, v5.10.66, v5.14.5, v5.14.4, v5.10.65, v5.14.3, v5.10.64, v5.14.2, v5.10.63, v5.14.1, v5.10.62, v5.14, v5.10.61, v5.10.60, v5.10.53, v5.10.52, v5.10.51, v5.10.50, v5.10.49, v5.13, v5.10.46, v5.10.43, v5.10.42, v5.10.41, v5.10.40, v5.10.39, v5.4.119, v5.10.36, v5.10.35, v5.10.34, v5.4.116, v5.10.33, v5.12, v5.10.32, v5.10.31, v5.10.30, v5.10.27, v5.10.26, v5.10.25, v5.10.24, v5.10.23, v5.10.22, v5.10.21, v5.10.20, v5.10.19, v5.4.101, v5.10.18, v5.10.17, v5.11, v5.10.16, v5.10.15, v5.10.14, v5.10, v5.8.17, v5.8.16, v5.8.15, v5.9, v5.8.14, v5.8.13, v5.8.12, v5.8.11, v5.8.10, v5.8.9, v5.8.8, v5.8.7, v5.8.6, v5.4.62, v5.8.5, v5.8.4, v5.4.61, v5.8.3, v5.4.60, v5.8.2, v5.4.59, v5.8.1, v5.4.58, v5.4.57, v5.4.56, v5.8, v5.7.12, v5.4.55, v5.7.11, v5.4.54, v5.7.10, v5.4.53, v5.4.52, v5.7.9, v5.7.8, v5.4.51, v5.4.50, v5.7.7, v5.4.49, v5.7.6, v5.7.5, v5.4.48, v5.7.4, v5.7.3, v5.4.47, v5.4.46, v5.7.2, v5.4.45, v5.7.1, v5.4.44, v5.7, v5.4.43, v5.4.42, v5.4.41, v5.4.40, v5.4.39, v5.4.38, v5.4.37, v5.4.36, v5.4.35, v5.4.34, v5.4.33, v5.4.32, v5.4.31, v5.4.30, v5.4.29, v5.6, v5.4.28, v5.4.27, v5.4.26, v5.4.25, v5.4.24, v5.4.23, v5.4.22, v5.4.21, v5.4.20, v5.4.19, v5.4.18, v5.4.17, v5.4.16, v5.5, v5.4.15, v5.4.14, v5.4.13, v5.4.12, v5.4.11, v5.4.10, v5.4.9, v5.4.8, v5.4.7, v5.4.6, v5.4.5, v5.4.4, v5.4.3, v5.3.15, v5.4.2, v5.4.1, v5.3.14, v5.4, v5.3.13, v5.3.12, v5.3.11, v5.3.10, v5.3.9, v5.3.8, v5.3.7, v5.3.6, v5.3.5, v5.3.4, v5.3.3, v5.3.2, v5.3.1, v5.3, v5.2.14, v5.3-rc8, v5.2.13, v5.2.12, v5.2.11, v5.2.10, v5.2.9, v5.2.8, v5.2.7, v5.2.6, v5.2.5, v5.2.4, v5.2.3, v5.2.2, v5.2.1, v5.2, v5.1.16, v5.1.15, v5.1.14, v5.1.13, v5.1.12, v5.1.11, v5.1.10, v5.1.9, v5.1.8, v5.1.7, v5.1.6 |
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#
2874c5fd |
| 27-May-2019 |
Thomas Gleixner <tglx@linutronix.de> |
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it u
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 152 Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Revision tags: v5.1.5, v5.1.4, v5.1.3, v5.1.2, v5.1.1, v5.0.14, v5.1, v5.0.13, v5.0.12, v5.0.11, v5.0.10, v5.0.9, v5.0.8, v5.0.7, v5.0.6, v5.0.5, v5.0.4, v5.0.3, v4.19.29, v5.0.2, v4.19.28, v5.0.1, v4.19.27, v5.0, v4.19.26, v4.19.25, v4.19.24, v4.19.23, v4.19.22, v4.19.21, v4.19.20, v4.19.19, v4.19.18, v4.19.17, v4.19.16, v4.19.15, v4.19.14, v4.19.13, v4.19.12, v4.19.11, v4.19.10, v4.19.9, v4.19.8, v4.19.7, v4.19.6, v4.19.5, v4.19.4, v4.18.20, v4.19.3, v4.18.19, v4.19.2, v4.18.18, v4.18.17, v4.19.1, v4.19, v4.18.16, v4.18.15, v4.18.14, v4.18.13, v4.18.12, v4.18.11, v4.18.10, v4.18.9, v4.18.7, v4.18.6, v4.18.5, v4.17.18, v4.18.4, v4.18.3, v4.17.17, v4.18.2, v4.17.16, v4.17.15, v4.18.1, v4.18, v4.17.14, v4.17.13, v4.17.12, v4.17.11, v4.17.10, v4.17.9, v4.17.8, v4.17.7, v4.17.6, v4.17.5 |
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#
943e59fe |
| 05-Jul-2018 |
Cédric Le Goater <clg@kaod.org> |
scsi: cxlflash: fix assignment of the backend operations commit cd43c221bb5e ("scsi: cxlflash: Isolate external module dependencies") introduced the use of ifdefs to avoid compilation er
scsi: cxlflash: fix assignment of the backend operations commit cd43c221bb5e ("scsi: cxlflash: Isolate external module dependencies") introduced the use of ifdefs to avoid compilation errors when one of the possible backend driver, CXL or OCXL, is not compiled. Unfortunately, the wrong defines are used and the backend ops are never assigned, leading to a kernel crash in any case when the cxlflash module is loaded. Signed-off-by: Cédric Le Goater <clg@kaod.org> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Revision tags: v4.17.4, v4.17.3, v4.17.2, v4.17.1, v4.17 |
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cd43c221 |
| 11-May-2018 |
Uma Krishnan <ukrishn@linux.vnet.ibm.com> |
scsi: cxlflash: Isolate external module dependencies Depending on the underlying transport, cxlflash has a dependency on either the CXL or OCXL drivers, which are enabled via their Kconf
scsi: cxlflash: Isolate external module dependencies Depending on the underlying transport, cxlflash has a dependency on either the CXL or OCXL drivers, which are enabled via their Kconfig option. Instead of having a module wide dependency on these config options, it is better to isolate the object modules that are dependent on the CXL and OCXL drivers and adjust the module dependencies accordingly. This commit isolates the object files that are dependent on CXL and/or OCXL. The cxl/ocxl fops used in the core driver are tucked under an ifdef to avoid compilation errors. Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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de5d35af |
| 11-May-2018 |
Uma Krishnan <ukrishn@linux.vnet.ibm.com> |
scsi: cxlflash: Abstract hardware dependent assignments As a staging cleanup to support transport specific builds of the cxlflash module, relocate device dependent assignments to header
scsi: cxlflash: Abstract hardware dependent assignments As a staging cleanup to support transport specific builds of the cxlflash module, relocate device dependent assignments to header files. This will avoid littering the core driver with conditional compilation logic. Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Revision tags: v4.16 |
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07d0c52f |
| 26-Mar-2018 |
Uma Krishnan <ukrishn@linux.vnet.ibm.com> |
scsi: cxlflash: Enable OCXL operations This commit enables the OCXL operations for the OCXL devices. Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Acked-by: Matthew R
scsi: cxlflash: Enable OCXL operations This commit enables the OCXL operations for the OCXL devices. Signed-off-by: Uma Krishnan <ukrishn@linux.vnet.ibm.com> Acked-by: Matthew R. Ochs <mrochs@linux.vnet.ibm.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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