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dmaengine: idxd: define table offset multiplier 

Convert table offset multiplier magic number to a define.

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/160407311690.839435.6941865731867828234.stgit@djiang5-desk3.ch.intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Dave Jiang 2020-10-30 08:51:56 -07:00 committed by Vinod Koul
parent 5a71270197
commit 2f8417a967
2 changed files with 9 additions and 10 deletions
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17
drivers/dma/idxd/init.c
View File

@ -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);
}

2
drivers/dma/idxd/registers.h
View File

@ -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 {