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| author | Gary R Hook <gary.hook@amd.com> | 2018-05-01 22:53:00 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2018-05-03 17:33:18 +0300 |
| commit | e7f63ffc1bf19c607a1ad7b89c1389004ee6e9c4 (patch) | |
| tree | 17b77d3be112440e93819f9da473248b07493f14 /drivers/iommu | |
| parent | d64c0486ed50900a3b3b1e22192dc07ad3ad5a8a (diff) | |
| download | linux-e7f63ffc1bf19c607a1ad7b89c1389004ee6e9c4.tar.xz | |
iommu/amd: Update logging information for new event type
A new events have been defined in the AMD IOMMU spec:
0x09 - "invalid PPR request"
Add support for logging this type of event.
Signed-off-by: Gary R Hook <gary.hook@amd.com>
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Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu')
| -rw-r--r-- | drivers/iommu/amd_iommu.c | 10 | ||||
| -rw-r--r-- | drivers/iommu/amd_iommu_types.h | 1 |
2 files changed, 10 insertions, 1 deletions
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c index aecc49aa6fdb..5fef2466da15 100644 --- a/drivers/iommu/amd_iommu.c +++ b/drivers/iommu/amd_iommu.c @@ -545,7 +545,7 @@ static void amd_iommu_report_page_fault(u16 devid, u16 domain_id, static void iommu_print_event(struct amd_iommu *iommu, void *__evt) { struct device *dev = iommu->iommu.dev; - int type, devid, pasid, flags; + int type, devid, pasid, flags, tag; volatile u32 *event = __evt; int count = 0; u64 address; @@ -610,6 +610,14 @@ retry: PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid), pasid, address, flags); break; + case EVENT_TYPE_INV_PPR_REQ: + pasid = ((event[0] >> 16) & 0xFFFF) + | ((event[1] << 6) & 0xF0000); + tag = event[1] & 0x03FF; + dev_err(dev, "INVALID_PPR_REQUEST device=%02x:%02x.%x pasid=0x%05x address=0x%016llx flags=0x%04x]\n", + PCI_BUS_NUM(devid), PCI_SLOT(devid), PCI_FUNC(devid), + pasid, address, flags); + break; default: dev_err(dev, "UNKNOWN event[0]=0x%08x event[1]=0x%08x event[2]=0x%08x event[3]=0x%08x\n", event[0], event[1], event[2], event[3]); diff --git a/drivers/iommu/amd_iommu_types.h b/drivers/iommu/amd_iommu_types.h index 1c9b080276c9..986cbe0cc189 100644 --- a/drivers/iommu/amd_iommu_types.h +++ b/drivers/iommu/amd_iommu_types.h @@ -133,6 +133,7 @@ #define EVENT_TYPE_CMD_HARD_ERR 0x6 #define EVENT_TYPE_IOTLB_INV_TO 0x7 #define EVENT_TYPE_INV_DEV_REQ 0x8 +#define EVENT_TYPE_INV_PPR_REQ 0x9 #define EVENT_DEVID_MASK 0xffff #define EVENT_DEVID_SHIFT 0 #define EVENT_DOMID_MASK 0xffff |