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powerpc/eeh: Introduce eeh_pe_inject_err()

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The patch defines PCI error types and functions in uapi/asm/eeh.h
and exports function eeh_pe_inject_err(), which will be called by
VFIO driver to inject the specified PCI error to the indicated
PE for testing purpose.

Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Gavin Shan
2015-03-26 16:42:08 +11:00
committed by Michael Ellerman
parent ed3e81ff20
commit ec33d36e5a
3 changed files with 63 additions and 0 deletions
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26
arch/powerpc/include/uapi/asm/eeh.h
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@@ -27,4 +27,30 @@
#define EEH_PE_STATE_STOPPED_DMA 4 /* Stopped DMA only */
#define EEH_PE_STATE_UNAVAIL 5 /* Unavailable */
/* EEH error types and functions */
#define EEH_ERR_TYPE_32 0 /* 32-bits error */
#define EEH_ERR_TYPE_64 1 /* 64-bits error */
#define EEH_ERR_FUNC_MIN 0
#define EEH_ERR_FUNC_LD_MEM_ADDR 0 /* Memory load */
#define EEH_ERR_FUNC_LD_MEM_DATA 1
#define EEH_ERR_FUNC_LD_IO_ADDR 2 /* IO load */
#define EEH_ERR_FUNC_LD_IO_DATA 3
#define EEH_ERR_FUNC_LD_CFG_ADDR 4 /* Config load */
#define EEH_ERR_FUNC_LD_CFG_DATA 5
#define EEH_ERR_FUNC_ST_MEM_ADDR 6 /* Memory store */
#define EEH_ERR_FUNC_ST_MEM_DATA 7
#define EEH_ERR_FUNC_ST_IO_ADDR 8 /* IO store */
#define EEH_ERR_FUNC_ST_IO_DATA 9
#define EEH_ERR_FUNC_ST_CFG_ADDR 10 /* Config store */
#define EEH_ERR_FUNC_ST_CFG_DATA 11
#define EEH_ERR_FUNC_DMA_RD_ADDR 12 /* DMA read */
#define EEH_ERR_FUNC_DMA_RD_DATA 13
#define EEH_ERR_FUNC_DMA_RD_MASTER 14
#define EEH_ERR_FUNC_DMA_RD_TARGET 15
#define EEH_ERR_FUNC_DMA_WR_ADDR 16 /* DMA write */
#define EEH_ERR_FUNC_DMA_WR_DATA 17
#define EEH_ERR_FUNC_DMA_WR_MASTER 18
#define EEH_ERR_FUNC_DMA_WR_TARGET 19
#define EEH_ERR_FUNC_MAX 19
#endif /* _ASM_POWERPC_EEH_H */