From d2db9eea7901d83e494340c93d131fc1fd463e4c Mon Sep 17 00:00:00 2001 From: Jan-Bernd Themann Date: Fri, 9 Feb 2007 09:10:51 +0100 Subject: ehea: Fixed error recovery Error recovery for QP errors: Reset QPs and dump error information Signed-off-by: Jan-Bernd Themann Signed-off-by: Jeff Garzik --- drivers/net/ehea/ehea_qmr.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) (limited to 'drivers/net/ehea/ehea_qmr.c') diff --git a/drivers/net/ehea/ehea_qmr.c b/drivers/net/ehea/ehea_qmr.c index f143e13b229..96ff3b67999 100644 --- a/drivers/net/ehea/ehea_qmr.c +++ b/drivers/net/ehea/ehea_qmr.c @@ -486,6 +486,7 @@ int ehea_destroy_qp(struct ehea_qp *qp) if (!qp) return 0; + ehea_h_disable_and_get_hea(qp->adapter->handle, qp->fw_handle); hret = ehea_h_free_resource(qp->adapter->handle, qp->fw_handle); if (hret != H_SUCCESS) { ehea_error("destroy_qp failed"); @@ -581,4 +582,45 @@ out: return ret; } +void print_error_data(u64 *data) +{ + int length; + u64 type = EHEA_BMASK_GET(ERROR_DATA_TYPE, data[2]); + u64 resource = data[1]; + + length = EHEA_BMASK_GET(ERROR_DATA_LENGTH, data[0]); + + if (length > EHEA_PAGESIZE) + length = EHEA_PAGESIZE; + + if (type == 0x8) /* Queue Pair */ + ehea_error("QP (resource=%lX) state: AER=0x%lX, AERR=0x%lX, " + "port=%lX", resource, data[6], data[12], data[22]); + + ehea_dump(data, length, "error data"); +} + +void ehea_error_data(struct ehea_adapter *adapter, u64 res_handle) +{ + unsigned long ret; + u64 *rblock; + + rblock = kzalloc(PAGE_SIZE, GFP_KERNEL); + if (!rblock) { + ehea_error("Cannot allocate rblock memory."); + return; + } + ret = ehea_h_error_data(adapter->handle, + res_handle, + rblock); + + if (ret == H_R_STATE) + ehea_error("No error data is available: %lX.", res_handle); + else if (ret == H_SUCCESS) + print_error_data(rblock); + else + ehea_error("Error data could not be fetched: %lX", res_handle); + + kfree(rblock); +} -- cgit v1.2.3