Commit 2f8417a9 authored by Dave Jiang's avatar Dave Jiang Committed by Vinod Koul
Browse files

dmaengine: idxd: define table offset multiplier 



Convert table offset multiplier magic number to a define.

Signed-off-by: default avatarDave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/160407311690.839435.6941865731867828234.stgit@djiang5-desk3.ch.intel.com


Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 5a712701

drivers/dma/idxd/init.c

+7 −10
Original line number Diff line number Diff line
@@ -214,17 +214,14 @@ static void idxd_read_table_offsets(struct idxd_device *idxd) 
	struct device *dev = &idxd->pdev->dev;



	offsets.bits[0] = ioread64(idxd->reg_base + IDXD_TABLE_OFFSET);

	offsets.bits[1] = ioread64(idxd->reg_base + IDXD_TABLE_OFFSET

			+ sizeof(u64));

	idxd->grpcfg_offset = offsets.grpcfg * 0x100;

	offsets.bits[1] = ioread64(idxd->reg_base + IDXD_TABLE_OFFSET + sizeof(u64));

	idxd->grpcfg_offset = offsets.grpcfg * IDXD_TABLE_MULT;

	dev_dbg(dev, "IDXD Group Config Offset: %#x\n", idxd->grpcfg_offset);

	idxd->wqcfg_offset = offsets.wqcfg * 0x100;

	dev_dbg(dev, "IDXD Work Queue Config Offset: %#x\n",

		idxd->wqcfg_offset);

	idxd->msix_perm_offset = offsets.msix_perm * 0x100;

	dev_dbg(dev, "IDXD MSIX Permission Offset: %#x\n",

		idxd->msix_perm_offset);

	idxd->perfmon_offset = offsets.perfmon * 0x100;

	idxd->wqcfg_offset = offsets.wqcfg * IDXD_TABLE_MULT;

	dev_dbg(dev, "IDXD Work Queue Config Offset: %#x\n", idxd->wqcfg_offset);

	idxd->msix_perm_offset = offsets.msix_perm * IDXD_TABLE_MULT;

	dev_dbg(dev, "IDXD MSIX Permission Offset: %#x\n", idxd->msix_perm_offset);

	idxd->perfmon_offset = offsets.perfmon * IDXD_TABLE_MULT;

	dev_dbg(dev, "IDXD Perfmon Offset: %#x\n", idxd->perfmon_offset);

}

drivers/dma/idxd/registers.h

+2 −0
Original line number Diff line number Diff line
@@ -102,6 +102,8 @@ union offsets_reg { 
	u64 bits[2];

} __packed;



#define IDXD_TABLE_MULT			0x100



#define IDXD_GENCFG_OFFSET		0x80

union gencfg_reg {

	struct {