diff options
| author |   Devesh Sharma <devesh.sharma@avagotech.com> | 2015-05-19 11:32:33 +0530 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2015-05-18 10:25:24 -0400 |
| commit | 5e6f9237f8e676e8a9110b4dafed36b1dd0b5d84 (patch) | |
| tree | 9244dc592e675de1066d9d41a5d35e25b5c5106f /drivers/infiniband/hw/ocrdma | |
| parent | RDMA/ocrdma: Fix EQ destroy failure during driver unload (diff) | |
| download | linux-dev-5e6f9237f8e676e8a9110b4dafed36b1dd0b5d84.tar.xz linux-dev-5e6f9237f8e676e8a9110b4dafed36b1dd0b5d84.zip | |
RDMA/ocrdma: Report EQ full fatal error
Detect when Event Queue (EQ) becomes full and print a warning message.
Signed-off-by: Devesh Sharma <devesh.sharma@avagotech.com>
Signed-off-by: Selvin Xavier <selvin.xavier@avagotech.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/ocrdma')
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_hw.c | 6 | ||||
| -rw-r--r-- | drivers/infiniband/hw/ocrdma/ocrdma_sli.h | 7 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c index 3a5ea5afc2a2..65759acb12dc 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_hw.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_hw.c @@ -933,12 +933,18 @@ static irqreturn_t ocrdma_irq_handler(int irq, void *handle) struct ocrdma_eqe eqe; struct ocrdma_eqe *ptr; u16 cq_id; + u8 mcode; int budget = eq->cq_cnt; do { ptr = ocrdma_get_eqe(eq); eqe = *ptr; ocrdma_le32_to_cpu(&eqe, sizeof(eqe)); + mcode = (eqe.id_valid & OCRDMA_EQE_MAJOR_CODE_MASK) + >> OCRDMA_EQE_MAJOR_CODE_SHIFT; + if (mcode == OCRDMA_MAJOR_CODE_SENTINAL) + pr_err("EQ full on eqid = 0x%x, eqe = 0x%x\n", + eq->q.id, eqe.id_valid); if ((eqe.id_valid & OCRDMA_EQE_VALID_MASK) == 0) break; diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h index 243c87c8bd65..baf9b8a0f278 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_sli.h +++ b/drivers/infiniband/hw/ocrdma/ocrdma_sli.h @@ -1624,12 +1624,19 @@ struct ocrdma_delete_ah_tbl_rsp { enum { OCRDMA_EQE_VALID_SHIFT = 0, OCRDMA_EQE_VALID_MASK = BIT(0), + OCRDMA_EQE_MAJOR_CODE_MASK = 0x0E, + OCRDMA_EQE_MAJOR_CODE_SHIFT = 0x01, OCRDMA_EQE_FOR_CQE_MASK = 0xFFFE, OCRDMA_EQE_RESOURCE_ID_SHIFT = 16, OCRDMA_EQE_RESOURCE_ID_MASK = 0xFFFF << OCRDMA_EQE_RESOURCE_ID_SHIFT, }; +enum major_code { + OCRDMA_MAJOR_CODE_COMPLETION = 0x00, + OCRDMA_MAJOR_CODE_SENTINAL = 0x01 +}; + struct ocrdma_eqe { u32 id_valid; }; |