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Diffstat (limited to 'drivers/dma/ioatdma.h')
| -rw-r--r-- | drivers/dma/ioatdma.h | 125 |
1 files changed, 0 insertions, 125 deletions
diff --git a/drivers/dma/ioatdma.h b/drivers/dma/ioatdma.h deleted file mode 100644 index a5d3b364416..00000000000 --- a/drivers/dma/ioatdma.h +++ /dev/null @@ -1,125 +0,0 @@ -/* - * Copyright(c) 2004 - 2006 Intel Corporation. All rights reserved. - * - * 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. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * The full GNU General Public License is included in this distribution in the - * file called COPYING. - */ -#ifndef IOATDMA_H -#define IOATDMA_H - -#include <linux/dmaengine.h> -#include "ioatdma_hw.h" -#include <linux/init.h> -#include <linux/dmapool.h> -#include <linux/cache.h> -#include <linux/pci_ids.h> - -#define IOAT_LOW_COMPLETION_MASK 0xffffffc0 - -extern struct list_head dma_device_list; -extern struct list_head dma_client_list; - -/** - * struct ioat_device - internal representation of a IOAT device - * @pdev: PCI-Express device - * @reg_base: MMIO register space base address - * @dma_pool: for allocating DMA descriptors - * @common: embedded struct dma_device - * @msi: Message Signaled Interrupt number - */ - -struct ioat_device { - struct pci_dev *pdev; - void *reg_base; - struct pci_pool *dma_pool; - struct pci_pool *completion_pool; - - struct dma_device common; - u8 msi; -}; - -/** - * struct ioat_dma_chan - internal representation of a DMA channel - * @device: - * @reg_base: - * @sw_in_use: - * @completion: - * @completion_low: - * @completion_high: - * @completed_cookie: last cookie seen completed on cleanup - * @cookie: value of last cookie given to client - * @last_completion: - * @xfercap: - * @desc_lock: - * @free_desc: - * @used_desc: - * @resource: - * @device_node: - */ - -struct ioat_dma_chan { - - void *reg_base; - - dma_cookie_t completed_cookie; - unsigned long last_completion; - - u32 xfercap; /* XFERCAP register value expanded out */ - - spinlock_t cleanup_lock; - spinlock_t desc_lock; - struct list_head free_desc; - struct list_head used_desc; - - int pending; - - struct ioat_device *device; - struct dma_chan common; - - dma_addr_t completion_addr; - union { - u64 full; /* HW completion writeback */ - struct { - u32 low; - u32 high; - }; - } *completion_virt; -}; - -/* wrapper around hardware descriptor format + additional software fields */ - -/** - * struct ioat_desc_sw - wrapper around hardware descriptor - * @hw: hardware DMA descriptor - * @node: - * @cookie: - * @phys: - */ - -struct ioat_desc_sw { - struct ioat_dma_descriptor *hw; - struct list_head node; - dma_cookie_t cookie; - dma_addr_t phys; - DECLARE_PCI_UNMAP_ADDR(src) - DECLARE_PCI_UNMAP_LEN(src_len) - DECLARE_PCI_UNMAP_ADDR(dst) - DECLARE_PCI_UNMAP_LEN(dst_len) -}; - -#endif /* IOATDMA_H */ - |
