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RDMA/ocrdma: For ERX2 irrespective of Qid, num_posted offset is 24

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1) All RQ doorbells are handled by ERX2 and doorbell->num_posted
   offset is constant to bit offset 24 for ERX2 irrspective of Q id.

2) Fixed RESET to INIT state change (from ERR->RST->INIT->RTR case).

Signed-off-by: Naresh Gottumukkala <bgottumukkala@emulex.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Naresh Gottumukkala 2013-08-26 15:27:42 +05:30 committed by Roland Dreier
parent c88bd03ffc
commit f11220ee69
4 changed files with 25 additions and 14 deletions
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21
drivers/infiniband/hw/ocrdma/ocrdma_hw.c
View File

@ -256,11 +256,11 @@ static int ocrdma_get_mbx_cqe_errno(u16 cqe_status)
break;
case OCRDMA_MBX_CQE_STATUS_INSUFFICIENT_RESOURCES:
case OCRDMA_MBX_CQE_STATUS_QUEUE_FLUSHING:
err_num = -EAGAIN;
err_num = -EINVAL;
break;
case OCRDMA_MBX_CQE_STATUS_DMA_FAILED:
default:
err_num = -EIO;
err_num = -EINVAL;
break;
}
return err_num;
@ -1654,6 +1654,14 @@ void ocrdma_flush_qp(struct ocrdma_qp *qp)
spin_unlock_irqrestore(&qp->dev->flush_q_lock, flags);
}
static void ocrdma_init_hwq_ptr(struct ocrdma_qp *qp)
{
qp->sq.head = 0;
qp->sq.tail = 0;
qp->rq.head = 0;
qp->rq.tail = 0;
}
int ocrdma_qp_state_change(struct ocrdma_qp *qp, enum ib_qp_state new_ib_state,
enum ib_qp_state *old_ib_state)
{
@ -1673,8 +1681,12 @@ int ocrdma_qp_state_change(struct ocrdma_qp *qp, enum ib_qp_state new_ib_state,
}
if (new_state == OCRDMA_QPS_ERR)
if (new_state == OCRDMA_QPS_INIT) {
ocrdma_init_hwq_ptr(qp);
ocrdma_del_flush_qp(qp);
} else if (new_state == OCRDMA_QPS_ERR) {
ocrdma_flush_qp(qp);
}
qp->state = new_state;
@ -2317,7 +2329,8 @@ int ocrdma_mbx_modify_srq(struct ocrdma_srq *srq, struct ib_srq_attr *srq_attr)
{
int status = -ENOMEM;
struct ocrdma_modify_srq *cmd;
struct ocrdma_dev *dev = get_ocrdma_dev(srq->ibsrq.device);
struct ocrdma_pd *pd = srq->pd;
struct ocrdma_dev *dev = get_ocrdma_dev(pd->ibpd.device);
cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_CREATE_SRQ, sizeof(*cmd));
if (!cmd)

5
drivers/infiniband/hw/ocrdma/ocrdma_sli.h
View File

@ -95,12 +95,11 @@ enum {
enum {
OCRDMA_DB_RQ_OFFSET = 0xE0,
OCRDMA_DB_GEN2_RQ1_OFFSET = 0x100,
OCRDMA_DB_GEN2_RQ2_OFFSET = 0xC0,
OCRDMA_DB_GEN2_RQ_OFFSET = 0x100,
OCRDMA_DB_SQ_OFFSET = 0x60,
OCRDMA_DB_GEN2_SQ_OFFSET = 0x1C0,
OCRDMA_DB_SRQ_OFFSET = OCRDMA_DB_RQ_OFFSET,
OCRDMA_DB_GEN2_SRQ_OFFSET = OCRDMA_DB_GEN2_RQ1_OFFSET,
OCRDMA_DB_GEN2_SRQ_OFFSET = OCRDMA_DB_GEN2_RQ_OFFSET,
OCRDMA_DB_CQ_OFFSET = 0x120,
OCRDMA_DB_EQ_OFFSET = OCRDMA_DB_CQ_OFFSET,
OCRDMA_DB_MQ_OFFSET = 0x140

12
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
View File

@ -930,9 +930,8 @@ static int ocrdma_copy_qp_uresp(struct ocrdma_qp *qp,
uresp.db_page_size = dev->nic_info.db_page_size;
if (dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) {
uresp.db_sq_offset = OCRDMA_DB_GEN2_SQ_OFFSET;
uresp.db_rq_offset = ((qp->id & 0xFFFF) < 128) ?
OCRDMA_DB_GEN2_RQ1_OFFSET : OCRDMA_DB_GEN2_RQ2_OFFSET;
uresp.db_shift = (qp->id < 128) ? 24 : 16;
uresp.db_rq_offset = OCRDMA_DB_GEN2_RQ_OFFSET;
uresp.db_shift = 24;
} else {
uresp.db_sq_offset = OCRDMA_DB_SQ_OFFSET;
uresp.db_rq_offset = OCRDMA_DB_RQ_OFFSET;
@ -975,8 +974,7 @@ static void ocrdma_set_qp_db(struct ocrdma_dev *dev, struct ocrdma_qp *qp,
OCRDMA_DB_GEN2_SQ_OFFSET;
qp->rq_db = dev->nic_info.db +
(pd->id * dev->nic_info.db_page_size) +
((qp->id < 128) ?
OCRDMA_DB_GEN2_RQ1_OFFSET : OCRDMA_DB_GEN2_RQ2_OFFSET);
OCRDMA_DB_GEN2_RQ_OFFSET;
} else {
qp->sq_db = dev->nic_info.db +
(pd->id * dev->nic_info.db_page_size) +
@ -1399,7 +1397,7 @@ skip_cqe:
spin_unlock_irqrestore(&cq->cq_lock, cq_flags);
}
static void ocrdma_del_flush_qp(struct ocrdma_qp *qp)
void ocrdma_del_flush_qp(struct ocrdma_qp *qp)
{
int found = false;
unsigned long flags;
@ -1496,7 +1494,7 @@ static int ocrdma_copy_srq_uresp(struct ocrdma_dev *dev, struct ocrdma_srq *srq,
uresp.db_page_size = dev->nic_info.db_page_size;
uresp.num_rqe_allocated = srq->rq.max_cnt;
if (dev->nic_info.dev_family == OCRDMA_GEN2_FAMILY) {
uresp.db_rq_offset = OCRDMA_DB_GEN2_RQ1_OFFSET;
uresp.db_rq_offset = OCRDMA_DB_GEN2_RQ_OFFSET;
uresp.db_shift = 24;
} else {
uresp.db_rq_offset = OCRDMA_DB_RQ_OFFSET;

1
drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
View File

@ -72,6 +72,7 @@ int ocrdma_query_qp(struct ib_qp *,
struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_qp_init_attr *);
int ocrdma_destroy_qp(struct ib_qp *);
void ocrdma_del_flush_qp(struct ocrdma_qp *qp);
struct ib_srq *ocrdma_create_srq(struct ib_pd *, struct ib_srq_init_attr *,
struct ib_udata *);