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powerpc/eeh: Introduce eeh_ops::err_inject

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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>
This commit is contained in:
Gavin Shan
2014-09-30 12:38:56 +10:00
committed by Michael Ellerman
parent 5b64234081
commit 131c123abe
5 changed files with 75 additions and 0 deletions
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2
arch/powerpc/include/asm/eeh.h
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@@ -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);