diff options
Diffstat (limited to 'drivers/net/benet/be_cmds.c')
| -rw-r--r-- | drivers/net/benet/be_cmds.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c index ff62aaea9a45..1822ecdadc7e 100644 --- a/drivers/net/benet/be_cmds.c +++ b/drivers/net/benet/be_cmds.c @@ -1954,3 +1954,57 @@ err: spin_unlock_bh(&adapter->mcc_lock); return status; } + +int be_cmd_get_cntl_attributes(struct be_adapter *adapter) +{ + struct be_mcc_wrb *wrb; + struct be_cmd_req_cntl_attribs *req; + struct be_cmd_resp_cntl_attribs *resp; + struct be_sge *sge; + int status; + int payload_len = max(sizeof(*req), sizeof(*resp)); + struct mgmt_controller_attrib *attribs; + struct be_dma_mem attribs_cmd; + + memset(&attribs_cmd, 0, sizeof(struct be_dma_mem)); + attribs_cmd.size = sizeof(struct be_cmd_resp_cntl_attribs); + attribs_cmd.va = pci_alloc_consistent(adapter->pdev, attribs_cmd.size, + &attribs_cmd.dma); + if (!attribs_cmd.va) { + dev_err(&adapter->pdev->dev, + "Memory allocation failure\n"); + return -ENOMEM; + } + + if (mutex_lock_interruptible(&adapter->mbox_lock)) + return -1; + + wrb = wrb_from_mbox(adapter); + if (!wrb) { + status = -EBUSY; + goto err; + } + req = attribs_cmd.va; + sge = nonembedded_sgl(wrb); + + be_wrb_hdr_prepare(wrb, payload_len, false, 1, + OPCODE_COMMON_GET_CNTL_ATTRIBUTES); + be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, + OPCODE_COMMON_GET_CNTL_ATTRIBUTES, payload_len); + sge->pa_hi = cpu_to_le32(upper_32_bits(attribs_cmd.dma)); + sge->pa_lo = cpu_to_le32(attribs_cmd.dma & 0xFFFFFFFF); + sge->len = cpu_to_le32(attribs_cmd.size); + + status = be_mbox_notify_wait(adapter); + if (!status) { + attribs = (struct mgmt_controller_attrib *)( attribs_cmd.va + + sizeof(struct be_cmd_resp_hdr)); + adapter->hba_port_num = attribs->hba_attribs.phy_port; + } + +err: + mutex_unlock(&adapter->mbox_lock); + pci_free_consistent(adapter->pdev, attribs_cmd.size, attribs_cmd.va, + attribs_cmd.dma); + return status; +} |
