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Date: Wed, 23 Jul 2008 11:53:55 -0700 From: Dan Williams <dan.j.williams@...el.com> To: Linus Torvalds <torvalds@...ux-foundation.org>, Andrew Morton <akpm@...ux-foundation.org> Cc: Saeed Bishara <saeed@...vell.com>, Maciej Sosnowski <maciej.sosnowski@...el.com>, Haavard Skinnemoen <hskinnemoen@...el.com>, linux-kernel <linux-kernel@...r.kernel.org>, NeilBrown <neilb@...e.de> Subject: [git pull] async-tx/dmaengine update for 2.6.27 (resend) Hi Linus, please pull from: git://git.kernel.org/pub/scm/linux/kernel/git/djbw/async_tx.git for-linus ...to receive: The following changes since commit 0a2ce2ffc358da96792d514c1024b72c52be9cc1: David Howells (1): Fix FRV minimum slab/kmalloc alignment Dan Williams (12): async_tx: fix async_memset compile error dmaengine: remove arch dependency from DMADEVICES dmaengine: track the number of clients using a channel dmaengine: add DMA_COMPL_SKIP_{SRC,DEST}_UNMAP flags to control dma unmap async_tx: ensure the xor destination buffer remains dma-mapped async_tx: fix handling of the "out of descriptor" condition in async_xor async_tx: export async_tx_quiesce async_tx: remove depend_tx from async_tx_sync_epilog async_tx: make async_tx_test_ack a boolean routine iop_adma: directly reclaim descriptors on allocation failure iop_adma: document how to calculate the minimum descriptor pool size iop_adma: cleanup iop_chan_xor_slot_count Haavard Skinnemoen (5): dmaengine: Couple DMA channels to their physical DMA device dmatest: Simple DMA memcpy test client dmaengine: Add dma_client parameter to device_alloc_chan_resources dmaengine: Add slave DMA interface dmaengine: Driver for the Synopsys DesignWare DMA controller Kay Sievers (1): iop-adma: fix platform driver hotplug/coldplug Li Yang (1): fsldma: fix incorrect exit path for initialization Li Zefan (1): async_tx: list_for_each_entry_rcu() cleanup Maciej Sosnowski (3): I/OAT: Add watchdog/reset functionality to ioatdma I/OAT: tcp_dma_copybreak default value dependent on I/OAT version I/OAT: I/OAT version 3.0 support Saeed Bishara (1): dmaengine: DMA engine driver for Marvell XOR engine arch/avr32/mach-at32ap/at32ap700x.c | 27 +- crypto/async_tx/async_memcpy.c | 12 +- crypto/async_tx/async_memset.c | 12 +- crypto/async_tx/async_tx.c | 33 +- crypto/async_tx/async_xor.c | 262 +++--- drivers/dca/dca-core.c | 131 +++- drivers/dca/dca-sysfs.c | 3 +- drivers/dma/Kconfig | 37 +- drivers/dma/Makefile | 3 + drivers/dma/dmaengine.c | 35 +- drivers/dma/dmatest.c | 444 +++++++++ drivers/dma/dw_dmac.c | 1122 +++++++++++++++++++++++ drivers/dma/dw_dmac_regs.h | 225 +++++ drivers/dma/fsldma.c | 38 +- drivers/dma/ioat.c | 15 + drivers/dma/ioat_dca.c | 244 +++++- drivers/dma/ioat_dma.c | 402 ++++++++- drivers/dma/ioatdma.h | 28 +- drivers/dma/ioatdma_hw.h | 1 + drivers/dma/ioatdma_registers.h | 20 + drivers/dma/iop-adma.c | 53 +- drivers/dma/mv_xor.c | 1375 ++++++++++++++++++++++++++++ drivers/dma/mv_xor.h | 183 ++++ include/asm-arm/arch-iop13xx/adma.h | 18 +- include/asm-arm/hardware/iop3xx-adma.h | 4 +- include/asm-arm/plat-orion/mv_xor.h | 28 + include/asm-avr32/arch-at32ap/at32ap700x.h | 16 + include/linux/async_tx.h | 11 +- include/linux/dca.h | 7 +- include/linux/dmaengine.h | 69 ++- include/linux/dw_dmac.h | 62 ++ include/linux/pci_ids.h | 8 + net/core/user_dma.c | 1 + 33 files changed, 4590 insertions(+), 339 deletions(-) create mode 100644 drivers/dma/dmatest.c create mode 100644 drivers/dma/dw_dmac.c create mode 100644 drivers/dma/dw_dmac_regs.h create mode 100644 drivers/dma/mv_xor.c create mode 100644 drivers/dma/mv_xor.h create mode 100644 include/asm-arm/plat-orion/mv_xor.h create mode 100644 include/linux/dw_dmac.h Some additional commits [1] have been appended to this tree since the initial pull request [2]. The new commits are either simple cleanups (iop-adma), fixes confirmed to address known issues (xor-unmap, xor-out-of-descriptors, ioat-watchdog), or new hardware support (ioat-v3). Here is the description from the previous request: > This update brings two new drivers, an expansion of the dmaengine > infrastructure to enable device-to-memory dma, as well as a mechanism > for exclusive client-channel associations. Also notable for developers > is the addition of the dmatest client for dmaengine driver validation. > > One api extension was made to allow intelligent clients more control > over dma-unmapping. There is a follow on patch brewing to use this > capability to fix a case where xor buffers are unmapped too early. It > is not an urgent concern since the only xor offload engine drivers in > mainline are for configurations where dma-unmap is a nop. Thanks, Dan [1] Dan Williams (8): async_tx: ensure the xor destination buffer remains dma-mapped async_tx: fix handling of the "out of descriptor" condition in async_xor async_tx: export async_tx_quiesce async_tx: remove depend_tx from async_tx_sync_epilog async_tx: make async_tx_test_ack a boolean routine iop_adma: directly reclaim descriptors on allocation failure iop_adma: document how to calculate the minimum descriptor pool size iop_adma: cleanup iop_chan_xor_slot_count Li Zefan (1): async_tx: list_for_each_entry_rcu() cleanup Maciej Sosnowski (3): I/OAT: Add watchdog/reset functionality to ioatdma I/OAT: tcp_dma_copybreak default value dependent on I/OAT version I/OAT: I/OAT version 3.0 support [2] http://marc.info/?l=linux-kernel&m=121633721126732&w=2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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