Commit-ID: d8c13085775c72e2d46edc54ed0c803c3a944ddb
Gitweb: http://git.kernel.org/tip/d8c13085775c72e2d46edc54ed0c803c3a944ddb
Author: Joerg Roedel <joerg.roedel@xxxxxxx>
AuthorDate: Wed, 6 Apr 2011 18:51:26 +0200
Committer: Joerg Roedel <joerg.roedel@xxxxxxx>
CommitDate: Thu, 7 Apr 2011 10:46:07 +0200
x86/amd-iommu: Rename iommu_flush_device
This function operates on a struct device, so give it a name
that represents that. As a side effect a new function is
introduced which operates on am iommu and a device-id. It
will be used again in a later patch.
Signed-off-by: Joerg Roedel <joerg.roedel@xxxxxxx>
---
arch/x86/kernel/amd_iommu.c | 26 ++++++++++++++++----------
1 files changed, 16 insertions(+), 10 deletions(-)
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 75c7f8c..3557f22 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -530,21 +530,27 @@ static int iommu_completion_wait(struct amd_iommu *iommu)
return wait_on_sem(&sem);
}
+static int iommu_flush_dte(struct amd_iommu *iommu, u16 devid)
+{
+ struct iommu_cmd cmd;
+
+ build_inv_dte(&cmd, devid);
+
+ return iommu_queue_command(iommu, &cmd);
+}
+
/*
* Command send function for invalidating a device table entry
*/
-static int iommu_flush_device(struct device *dev)
+static int device_flush_dte(struct device *dev)
{
struct amd_iommu *iommu;
- struct iommu_cmd cmd;
u16 devid;
devid = get_device_id(dev);
iommu = amd_iommu_rlookup_table[devid];
- build_inv_dte(&cmd, devid);
-
- return iommu_queue_command(iommu, &cmd);
+ return iommu_flush_dte(iommu, devid);
}
/*
@@ -620,7 +626,7 @@ static void domain_flush_devices(struct protection_domain *domain)
spin_lock_irqsave(&domain->lock, flags);
list_for_each_entry(dev_data, &domain->dev_list, list)
- iommu_flush_device(dev_data->dev);
+ device_flush_dte(dev_data->dev);
spin_unlock_irqrestore(&domain->lock, flags);
}
@@ -1424,7 +1430,7 @@ static void do_attach(struct device *dev, struct protection_domain *domain)
domain->dev_cnt += 1;
/* Flush the DTE entry */
- iommu_flush_device(dev);
+ device_flush_dte(dev);
}
static void do_detach(struct device *dev)
@@ -1447,7 +1453,7 @@ static void do_detach(struct device *dev)
clear_dte_entry(devid);
/* Flush the DTE entry */
- iommu_flush_device(dev);
+ device_flush_dte(dev);
}
/*
@@ -1663,7 +1669,7 @@ static int device_change_notifier(struct notifier_block *nb,
goto out;
}
- iommu_flush_device(dev);
+ device_flush_dte(dev);
iommu_completion_wait(iommu);
out:
@@ -2448,7 +2454,7 @@ static void amd_iommu_detach_device(struct iommu_domain *dom,
if (!iommu)
return;
- iommu_flush_device(dev);
+ device_flush_dte(dev);
iommu_completion_wait(iommu);
}
--
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