diff options
Diffstat (limited to 'sys/dev/cxgbe/t4_main.c')
| -rw-r--r-- | sys/dev/cxgbe/t4_main.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/sys/dev/cxgbe/t4_main.c b/sys/dev/cxgbe/t4_main.c index 90e5001..18b813d 100644 --- a/sys/dev/cxgbe/t4_main.c +++ b/sys/dev/cxgbe/t4_main.c @@ -313,6 +313,7 @@ static void clear_filter(struct filter_entry *); static int set_filter_wr(struct adapter *, int); static int del_filter_wr(struct adapter *, int); void filter_rpl(struct adapter *, const struct cpl_set_tcb_rpl *); +static int get_sge_context(struct adapter *, struct t4_sge_context *); static int t4_mod_event(module_t, int, void *); struct t4_pciids { @@ -3417,6 +3418,35 @@ filter_rpl(struct adapter *sc, const struct cpl_set_tcb_rpl *rpl) } } +static int +get_sge_context(struct adapter *sc, struct t4_sge_context *cntxt) +{ + int rc = EINVAL; + + if (cntxt->cid > M_CTXTQID) + return (rc); + + if (cntxt->mem_id != CTXT_EGRESS && cntxt->mem_id != CTXT_INGRESS && + cntxt->mem_id != CTXT_FLM && cntxt->mem_id != CTXT_CNM) + return (rc); + + if (sc->flags & FW_OK) { + ADAPTER_LOCK(sc); /* Avoid parallel t4_wr_mbox */ + rc = -t4_sge_ctxt_rd(sc, sc->mbox, cntxt->cid, cntxt->mem_id, + &cntxt->data[0]); + ADAPTER_UNLOCK(sc); + } + + if (rc != 0) { + /* Read via firmware failed or wasn't even attempted */ + + rc = -t4_sge_ctxt_rd_bd(sc, cntxt->cid, cntxt->mem_id, + &cntxt->data[0]); + } + + return (rc); +} + int t4_os_find_pci_capability(struct adapter *sc, int cap) { @@ -3580,6 +3610,9 @@ t4_ioctl(struct cdev *dev, unsigned long cmd, caddr_t data, int fflag, rc = del_filter(sc, (struct t4_filter *)data); ADAPTER_UNLOCK(sc); break; + case CHELSIO_T4_GET_SGE_CONTEXT: + rc = get_sge_context(sc, (struct t4_sge_context *)data); + break; default: rc = EINVAL; } |
