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dmaengine: idxd: Modify the dependence of attribute pasid_enabled

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Kernel PASID and user PASID are separately enabled. User needs to know the
user PASID enabling status to decide how to use IDXD device in user space.
This is done via the attribute /sys/bus/dsa/devices/dsa0/pasid_enabled.
It's unnecessary for user to know the kernel PASID enabling status because
user won't use the kernel PASID. But instead of showing the user PASID
enabling status, the attribute shows the kernel PASID enabling status. Fix
the issue by showing the user PASID enabling status in the attribute.

Fixes: 42a1b73852 ("dmaengine: idxd: Separate user and kernel pasid enabling")
Signed-off-by: Rex Zhang <rex.zhang@intel.com>
Acked-by: Fenghua Yu <fenghua.yu@intel.com>
Acked-by: Dave Jiang <dave.jiang@intel.com>
Link: https://lore.kernel.org/r/20230614062706.1743078-1-rex.zhang@intel.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Rex Zhang
2023-06-14 14:27:06 +08:00
committed by Vinod Koul
parent ecc3cfc31f
commit 50c5e6f41d
1 changed files with 1 additions and 1 deletions
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drivers/dma/idxd/sysfs.c
+1 -1
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@@ -1480,7 +1480,7 @@ static ssize_t pasid_enabled_show(struct device *dev,
{
struct idxd_device *idxd = confdev_to_idxd(dev);
return sysfs_emit(buf, "%u\n", device_pasid_enabled(idxd));
return sysfs_emit(buf, "%u\n", device_user_pasid_enabled(idxd));
}
static DEVICE_ATTR_RO(pasid_enabled);