- 10 Apr, 2015 12 commits
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Ondrej Zary authored
aha1542_out are in fact two separate functions. Split them into aha1542_out and aha1542_outb to simplify the code. Signed-off-by:
Ondrej Zary <linux@rainbow-software.org> Reviewed-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
James Bottomley <JBottomley@Odin.com>
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Ondrej Zary authored
Unify aha1542_in and aha1542_in1 functions, they differ only in timeout and printk. Signed-off-by:
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Ondrej Zary authored
Convert the ugly WAIT and WAITd macros into wait_mask function. Signed-off-by:
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Ondrej Zary authored
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Ondrej Zary authored
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Ondrej Zary authored
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Ondrej Zary authored
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Ondrej Zary authored
Convert aha1542_intr_reset macro to inline function Signed-off-by:
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Ondrej Zary authored
Remove HOSTDATA macro and use shost_priv instead Signed-off-by:
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Ondrej Zary authored
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Ondrej Zary authored
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Ondrej Zary authored
Convert aha1542 to use scsi_add_host instead of scsi_module.c Use pnp_driver and isa_driver to manage cards. Signed-off-by:
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- 09 Apr, 2015 25 commits
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Mahesh Rajashekhara authored
Signed-off-by:
Mahesh Rajashekhara <Mahesh.Rajashekhara@pmcs.com> Reviewed-by:
Hannes Reinecke <hare@suse.de> Reviewed-by:
Murthy Bhat <Murthy.Bhat@pmcs.com> Signed-off-by:
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Mahesh Rajashekhara authored
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Mahesh Rajashekhara authored
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Mahesh Rajashekhara authored
After getting the platform shutdown command "VM_CloseAll" response from the firmware, driver was getting configuration IOCTL request from the upper layers and it sends down to firmware. This causes firmware assert issue. This patch fixes the firmware assert issue. During the shutdown, if driver gets commands from the upper layer, driver sends error code to the upper layers. Signed-off-by:
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Mahesh Rajashekhara authored
This patch fixes the IOP_RESET issue. Sending IOP_RESET command need to wait for only 10 sec instead of 5 minutes in case of firmware does not response IOP_RESET command. Disable interrupt before setup interrupt routine to prevent spurious interrupts. Signed-off-by:
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Mahesh Rajashekhara authored
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Mahesh Rajashekhara authored
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Mahesh Rajashekhara authored
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Mahesh Rajashekhara authored
Also fix up a name truncation problem Signed-off-by:
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Mahesh Rajashekhara authored
The Linux aacriad driver fails to detect the case of SG list count=0 on IOCTL pass-through command and cause intermittent fault. The result is the Linux aacriad driver send down IOCTL pass-through command with one not initialized SG list to firmware when receiving SG list count =0 on pass-through command. Signed-off-by:
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Mahesh Rajashekhara authored
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Brian King authored
Signed-off-by:
Brian King <brking@linux.vnet.ibm.com> Signed-off-by:
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Wen Xiong authored
This patch implements raw mode support for AF DASD in ipr driver which allows for tools to send commands directly to physical devices which are members of RAID arrays when enabled in the firmware. [jejb: fix up whitespace] Signed-off-by: Wen Xiong<wenxiong@linux.vnet.ibm.com> Signed-off-by:
Daniel Kreling <kreling@linux.vnet.ibm.com> Signed-off-by:
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Brian King authored
Re-enable write same support for ipr RAID adapters. Signed-off-by:
Wen Xiong <wenxiong@linux.vnet.ibm.com> Reviewed-by:
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Brian King authored
Fixes a possible oops during adapter initialization in some memory allocation failure error paths scenarios. Reported-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
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Brian King authored
The pci_set_pcie_reset_state has changed semantics to not be callable from interrupt context, so change ipr's usage of the API to comply with this change by ensuring this occurs from a workqueue. Signed-off-by:
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Brian King authored
Currently when performing a reboot with an ipr adapter, the adapter gets shutdown completely, flushing all write cache, as well as performing a full hardware reset of the card during the shutdown phase of the old kernel. This ensures the adapter is in a fully quiesced state across the reboot. There are scenarios, however, such as when performing kexec, where this full adapter shutdown is not required and not desired, since it can make the reboot process take noticeably longer. This patch adds a module parameter to allow for skipping the full shutdown during reboot. Rather than performing a full adapter shutdown and reset, we simply cancel any outstanding error buffers, place the adapter into a state where it has no memory of any DMA addresses from the old kernel, then disable the device. This significantly speeds up kexec boot, particularly in configurations with multiple ipr adapters. Signed-off-by:
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K. Y. Srinivasan authored
Set the tablesize based on the information given by the host. Signed-off-by:
K. Y. Srinivasan <kys@microsoft.com> Reviewed-by:
Long Li <longli@microsoft.com> Tested-by:
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K. Y. Srinivasan authored
The current code assumes that the scatterlists presented are not chained. Fix the code to not make this assumption. Signed-off-by:
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K. Y. Srinivasan authored
We may exit this function without properly freeing up the maapings we may have acquired. Fix the bug. Signed-off-by:
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K. Y. Srinivasan authored
The storage protocol informs the guest of the I/O capabilities of the storage stack. Retrieve this information and use it in the guest. Signed-off-by:
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K. Y. Srinivasan authored
The current code always sent packets without data on the primary channel. Properly distribute sending of packets with no data amongst all available channels. I would like to thank Long Li for noticing this problem. Signed-off-by:
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K. Y. Srinivasan authored
Size the queue depth based on the ringbuffer size. Also accommodate for the fact that we could have multiple channels (ringbuffers) per adaptor. Signed-off-by:
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K. Y. Srinivasan authored
Increase the default ring buffer size as this can significantly improve performance especially on high latency storage back-ends. Signed-off-by:
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Michael Opdenacker authored
This replaces kmalloc + memset by a call to kzalloc This also fixes one checkpatch.pl issue in the process. This improvement was suggested by "make coccicheck" Signed-off-by:
Michael Opdenacker <michael.opdenacker@free-electrons.com> Reviewed-by:
James Bottomley <JBottomley@Parallels.com>
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- 19 Mar, 2015 3 commits
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Christoph Hellwig authored
This effectively reverts commits 85b6c7 ("[SCSI] sd: fix cache flushing on module removal (and individual device removal)" and dc4515ea ("scsi: always increment reference count"). We now never call scsi_device_get from the shutdown path, and the fact that we started grabbing reference there in commit 85b6c7 turned out turned out to create more problems than it solves, and required workarounds for workarounds for workarounds. Move back to properly checking the device state and carefully handle module refcounting. Signed-off-by:Paolo Bonzini <pbonzini@redhat.com> Reviewed-by:
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Christoph Hellwig authored
The device model already takes care of races between ->remove and ->shutdown vs its other methods, and we now take care about locking them out for ->rescan as well. This is a partial revert of commit 39b7f1 ("[SCSI] sd: Fix refcounting"). Signed-off-by: -
Christoph Hellwig authored
Lock the device embedded in the scsi_device to protect against concurrent calls to ->remove. Signed-off-by:
Alan Stern <stern@rowland.harvard.edu> Reviewed-by:
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