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ehea: error handling improvement

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Reset a port's resources only if they're actually in an error state

Signed-off-by: Thomas Klein <tklein@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Thomas Klein
2010-04-20 23:10:55 +00:00
committed by David S. Miller
parent a1aa8822d5
commit ea96ceac80
3 changed files with 62 additions and 26 deletions
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14
drivers/net/ehea/ehea_qmr.h
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@@ -154,6 +154,9 @@ struct ehea_rwqe {
#define EHEA_CQE_STAT_ERR_IP 0x2000
#define EHEA_CQE_STAT_ERR_CRC 0x1000
/* Defines which bad send cqe stati lead to a port reset */
#define EHEA_CQE_STAT_RESET_MASK 0x0002
struct ehea_cqe {
u64 wr_id; /* work request ID from WQE */
u8 type;
@@ -187,6 +190,14 @@ struct ehea_cqe {
#define EHEA_EQE_SM_MECH_NUMBER EHEA_BMASK_IBM(48, 55)
#define EHEA_EQE_SM_PORT_NUMBER EHEA_BMASK_IBM(56, 63)
#define EHEA_AER_RESTYPE_QP 0x8
#define EHEA_AER_RESTYPE_CQ 0x4
#define EHEA_AER_RESTYPE_EQ 0x3
/* Defines which affiliated errors lead to a port reset */
#define EHEA_AER_RESET_MASK 0xFFFFFFFFFEFFFFFFULL
#define EHEA_AERR_RESET_MASK 0xFFFFFFFFFFFFFFFFULL
struct ehea_eqe {
u64 entry;
};
@@ -379,7 +390,8 @@ int ehea_gen_smr(struct ehea_adapter *adapter, struct ehea_mr *old_mr,
int ehea_rem_mr(struct ehea_mr *mr);
void ehea_error_data(struct ehea_adapter *adapter, u64 res_handle);
u64 ehea_error_data(struct ehea_adapter *adapter, u64 res_handle,
u64 *aer, u64 *aerr);
int ehea_add_sect_bmap(unsigned long pfn, unsigned long nr_pages);
int ehea_rem_sect_bmap(unsigned long pfn, unsigned long nr_pages);