- 18 11月, 2009 1 次提交
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由 Dan Williams 提交于
Turning off dca is not an "error", and the dca-enabled state can be viewed from sysfs. Signed-off-by: NDan Williams <dan.j.williams@intel.com>
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- 09 9月, 2009 1 次提交
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由 Dan Williams 提交于
Mark all single use initialization routines with __devinit. Signed-off-by: NMaciej Sosnowski <maciej.sosnowski@intel.com> Signed-off-by: NDan Williams <dan.j.williams@intel.com>
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- 29 7月, 2009 1 次提交
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由 Dan Williams 提交于
When first created the ioat driver was the only inhabitant of drivers/dma/. Now, it is the only multi-file (more than a .c and a .h) driver in the directory. Moving it to an ioat/ subdirectory allows the naming convention to be cleaned up, and allows for future splitting of the source files by hardware version (v1, v2, and v3). Signed-off-by: NMaciej Sosnowski <maciej.sosnowski@intel.com> Signed-off-by: NDan Williams <dan.j.williams@intel.com>
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- 05 3月, 2009 2 次提交
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由 Maciej Sosnowski 提交于
Together with new fixes update driver version and extend copyright dates ranges. Signed-off-by: NMaciej Sosnowski <maciej.sosnowski@intel.com> Signed-off-by: NShannon Nelson <shannon.nelson@intel.com> Acked-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: NDan Williams <dan.j.williams@intel.com>
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由 Maciej Sosnowski 提交于
BIOS versions for systems with I/OAT ver.2 have been found which fail to program APICID_TAG_MAP for DCA. The ioatdma driver should recognize incorrectly set APICID_TAG_MAP and disable DCA in that case. Signed-off-by: NMaciej Sosnowski <maciej.sosnowski@intel.com> Signed-off-by: NShannon Nelson <shannon.nelson@intel.com> Acked-by: NJeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: NDan Williams <dan.j.williams@intel.com>
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- 23 7月, 2008 1 次提交
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由 Maciej Sosnowski 提交于
This patch adds to ioatdma and dca modules support for Intel I/OAT DMA engine ver.3 (aka CB3 device). The main features of I/OAT ver.3 are: * 8 single channel DMA devices (8 channels total) * 8 DCA providers, each can accept 2 requesters * 8-bit TAG values and 32-bit extended APIC IDs Signed-off-by: NMaciej Sosnowski <maciej.sosnowski@intel.com> Signed-off-by: NDan Williams <dan.j.williams@intel.com>
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- 31 3月, 2008 1 次提交
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由 Al Viro 提交于
Signed-off-by: NAl Viro <viro@zeniv.linux.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 15 11月, 2007 1 次提交
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由 Shannon Nelson 提交于
Add support for version 2 of the ioatdma device. This device handles the descriptor chain and DCA services slightly differently: - Instead of moving the dma descriptors between a busy and an idle chain, this new version uses a single circular chain so that we don't have rewrite the next_descriptor pointers as we add new requests, and the device doesn't need to re-read the last descriptor. - The new device has the DCA tags defined internally instead of needing them defined statically. Signed-off-by: NShannon Nelson <shannon.nelson@intel.com> Cc: "Williams, Dan J" <dan.j.williams@intel.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 19 10月, 2007 1 次提交
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由 Shannon Nelson 提交于
Make better use of dev_err(), and catch an error where the transaction creation might fail. Signed-off-by: NShannon Nelson <shannon.nelson@intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 17 10月, 2007 1 次提交
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由 Shannon Nelson 提交于
Add code to connect to the DCA driver and provide cpu tags for use by drivers that would like to use Direct Cache Access hints. [Adrian Bunk] Several Kconfig cleanup items [Andrew Morten, Chris Leech] Fix for using cpu_physical_id() even when built for uni-processor Signed-off-by: NShannon Nelson <shannon.nelson@intel.com> Acked-by: NDavid S. Miller <davem@davemloft.net> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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