From 68cbbc3a9d1fc231810b2490bca73b3b444ef542 Mon Sep 17 00:00:00 2001 From: Gavin Shan Date: Thu, 26 Mar 2015 16:42:09 +1100 Subject: drivers/vfio: Support EEH error injection The patch adds one more EEH sub-command (VFIO_EEH_PE_INJECT_ERR) to inject the specified EEH error, which is represented by (struct vfio_eeh_pe_err), to the indicated PE for testing purpose. Signed-off-by: Gavin Shan Reviewed-by: David Gibson Acked-by: Alex Williamson Signed-off-by: Michael Ellerman --- include/uapi/linux/vfio.h | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) (limited to 'include/uapi/linux/vfio.h') diff --git a/include/uapi/linux/vfio.h b/include/uapi/linux/vfio.h index b57b750c222f..e4fa1995f613 100644 --- a/include/uapi/linux/vfio.h +++ b/include/uapi/linux/vfio.h @@ -470,12 +470,23 @@ struct vfio_iommu_spapr_tce_info { * - unfreeze IO/DMA for frozen PE; * - read PE state; * - reset PE; - * - configure PE. + * - configure PE; + * - inject EEH error. */ +struct vfio_eeh_pe_err { + __u32 type; + __u32 func; + __u64 addr; + __u64 mask; +}; + struct vfio_eeh_pe_op { __u32 argsz; __u32 flags; __u32 op; + union { + struct vfio_eeh_pe_err err; + }; }; #define VFIO_EEH_PE_DISABLE 0 /* Disable EEH functionality */ @@ -492,6 +503,7 @@ struct vfio_eeh_pe_op { #define VFIO_EEH_PE_RESET_HOT 6 /* Assert hot reset */ #define VFIO_EEH_PE_RESET_FUNDAMENTAL 7 /* Assert fundamental reset */ #define VFIO_EEH_PE_CONFIGURE 8 /* PE configuration */ +#define VFIO_EEH_PE_INJECT_ERR 9 /* Inject EEH error */ #define VFIO_EEH_PE_OP _IO(VFIO_TYPE, VFIO_BASE + 21) -- cgit v1.2.3-55-g7522