powerpc/eeh: Introduce eeh_ops::err_inject

The patch introduces eeh_ops::err_inject(), which allows to inject
specified errors to indicated PE for testing purpose. The functionality
isn't support on pSeries platform. On PowerNV, the functionality
relies on OPAL API opal_pci_err_inject().

Signed-off-by: Mike Qiu <qiudayu@linux.vnet.ibm.com>
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

1 files changed, 2 insertions, 0 deletions

diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h
index 59d3e2a4fc42..4fa15796537a 100644
--- a/arch/powerpc/include/asm/eeh.h
+++ b/arch/powerpc/include/asm/eeh.h
@@ -204,6 +204,8 @@ struct eeh_ops {
         int (*wait_state)(struct eeh_pe *pe, int max_wait);
         int (*get_log)(struct eeh_pe *pe, int severity, char *drv_log, unsigned long len);
         int (*configure_bridge)(struct eeh_pe *pe);
+        int (*err_inject)(struct eeh_pe *pe, int type, int func,
+                          unsigned long addr, unsigned long mask);
         int (*read_config)(struct device_node *dn, int where, int size, u32 *val);
         int (*write_config)(struct device_node *dn, int where, int size, u32 val);
         int (*next_error)(struct eeh_pe **pe);