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iommu/vt-d: Clean/document fault status flags 

So one could decode them without opening the specification.

Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
hifive-unleashed-5.1
Dmitry Safonov 2018-02-12 16:48:21 +00:00 committed by Joerg Roedel
parent d15a339eac
commit b1d03c1d12
1 changed files with 6 additions and 6 deletions
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12
include/linux/intel-iommu.h
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@ -209,12 +209,12 @@
#define DMA_FECTL_IM (((u32)1) << 31)
/* FSTS_REG */
#define DMA_FSTS_PPF ((u32)2)
#define DMA_FSTS_PFO ((u32)1)
#define DMA_FSTS_IQE (1 << 4)
#define DMA_FSTS_ICE (1 << 5)
#define DMA_FSTS_ITE (1 << 6)
#define DMA_FSTS_PRO (1 << 7)
#define DMA_FSTS_PFO (1 << 0) /* Primary Fault Overflow */
#define DMA_FSTS_PPF (1 << 1) /* Primary Pending Fault */
#define DMA_FSTS_IQE (1 << 4) /* Invalidation Queue Error */
#define DMA_FSTS_ICE (1 << 5) /* Invalidation Completion Error */
#define DMA_FSTS_ITE (1 << 6) /* Invalidation Time-out Error */
#define DMA_FSTS_PRO (1 << 7) /* Page Request Overflow */
#define dma_fsts_fault_record_index(s) (((s) >> 8) & 0xff)
/* FRCD_REG, 32 bits access */