| Commit message (Collapse) | Author | Age | Files | Lines |
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And simplify the interrupt handler by splitting the INTx case that needs
to deal with shared interrupts into a separate helper.
[mkp: typo fixage]
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Jim Gill <jgill@vmware.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The vmw_pvscsi driver reports most successful aborts as FAILED to the
scsi error handler. This is do to a misunderstanding of how
completion_done() works and its interaction with a successful wait using
wait_for_completion_timeout(). The vmw_pvscsi driver is expecting
completion_done() to always return true if complete() has been called on
the completion structure. But completion_done() returns true after
complete() has been called only if no function like
wait_for_completion_timeout() has seen the completion and cleared it as
part of successfully waiting for the completion.
Instead of using completion_done(), vmw_pvscsi should just use the
return value from wait_for_completion_timeout() to know if the wait
timed out or not.
[mkp: bumped driver version per request]
Signed-off-by: David Jeffery <djeffery@redhat.com>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Acked-by: Jim Gill <jgill@vmware.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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[mkp: Updated MAINTAINERS]
Signed-off-by: Jim Gill <jgill@vmware.com>
Acked-by: Arvind Kumar <arvindkumar@vmware.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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The driver is missing calls to pci_dma_mapping_error() after
performing the DMA mapping, which caused DMA-API warning to
show up in dmesg's output. Though that happens only when
DMA_API_DEBUG option is enabled. This change fixes the issue
and makes pvscsi_map_buffers() function more robust.
Signed-off-by: Arvind Kumar <arvindkumar@vmware.com>
Cc: Josh Boyer <jwboyer@fedoraproject.org>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Signed-off-by: Josh Boyer <jwboyer@fedoraproject.org>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
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Move PCI_VENDOR_ID_VMWARE from device-specific files to pci_ids.h.
It is useful to always have access to it, especially when accessing
subsystem_vendor_id on emulated devices.
[bhelgaas: keep pci_ids.h sorted and use lower-case hex]
Signed-off-by: Francesco Ruggeri <fruggeri@arista.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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This change is about the following:
(1) If the number of targets is 16+ then default ring_pages to 32.
(2) Change default queue depth (per device) to 254.
(3) Implement change_queue_depth function so that queue_depth per device can
be changed at run time. Honors the request only if coming from sysfs.
(4) Clean up the info returned by modinfo.
Signed-off-by: Arvind Kumar <arvindkumar@vmware.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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This change allows pvscsi driver to coalesce I/O requests
before issuing them. The number of I/O's coalesced can be
dynamically configured based on the workload.
Signed-off-by: Rishi Mehta <rmehta@vmware.com>
Signed-off-by: Arvind Kumar <arvindkumar@vmware.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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This change ensures that pvscsi_abort() function returns SUCCESS
only when the command in question was actually completed, otherwise
returns FAILURE. The code before change, was causing a bug where
driver tries to complete a command to the mid-layer while the mid-layer
has already requested the driver to abort that command, in response
to which the driver has responded with SUCCESS causing mid-layer
to free the command struct.
Signed-off-by: Arvind Kumar <arvindkumar@vmware.com>
Tested-by: Ewan Milne <emilne@redhat.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Fetch the config page from the device to learn max target id to set
host->max_id.
Also, fix some indentation issues and update the 'Maintained by' field.
Signed-off-by: Arvind Kumar <arvindkumar@vmware.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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This is a driver for VMware's paravirtualized SCSI device,
which should improve disk performance for guests running
under control of VMware hypervisors that support such devices.
Signed-off-by: Alok N Kataria <akataria@vmware.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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