diff options
-rw-r--r-- | drivers/net/ethernet/emulex/benet/be.h | 5 | ||||
-rw-r--r-- | drivers/net/ethernet/emulex/benet/be_cmds.c | 81 | ||||
-rw-r--r-- | drivers/net/ethernet/emulex/benet/be_cmds.h | 8 |
3 files changed, 67 insertions, 27 deletions
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h index ad69cf89491c..4bc18efb7053 100644 --- a/drivers/net/ethernet/emulex/benet/be.h +++ b/drivers/net/ethernet/emulex/benet/be.h @@ -162,6 +162,11 @@ static inline void queue_head_inc(struct be_queue_info *q) index_inc(&q->head, q->len); } +static inline void index_dec(u16 *index, u16 limit) +{ + *index = MODULO((*index - 1), limit); +} + static inline void queue_tail_inc(struct be_queue_info *q) { index_inc(&q->tail, q->len); diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c index 4e07e58286a1..2673081aaf2f 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.c +++ b/drivers/net/ethernet/emulex/benet/be_cmds.c @@ -61,10 +61,21 @@ static inline void be_mcc_compl_use(struct be_mcc_compl *compl) compl->flags = 0; } +static struct be_cmd_resp_hdr *be_decode_resp_hdr(u32 tag0, u32 tag1) +{ + unsigned long addr; + + addr = tag1; + addr = ((addr << 16) << 16) | tag0; + return (void *)addr; +} + static int be_mcc_compl_process(struct be_adapter *adapter, - struct be_mcc_compl *compl) + struct be_mcc_compl *compl) { u16 compl_status, extd_status; + struct be_cmd_resp_hdr *resp_hdr; + u8 opcode = 0, subsystem = 0; /* Just swap the status to host endian; mcc tag is opaquely copied * from mcc_wrb */ @@ -73,32 +84,36 @@ static int be_mcc_compl_process(struct be_adapter *adapter, compl_status = (compl->status >> CQE_STATUS_COMPL_SHIFT) & CQE_STATUS_COMPL_MASK; - if (((compl->tag0 == OPCODE_COMMON_WRITE_FLASHROM) || - (compl->tag0 == OPCODE_COMMON_WRITE_OBJECT)) && - (compl->tag1 == CMD_SUBSYSTEM_COMMON)) { + resp_hdr = be_decode_resp_hdr(compl->tag0, compl->tag1); + + if (resp_hdr) { + opcode = resp_hdr->opcode; + subsystem = resp_hdr->subsystem; + } + + if (((opcode == OPCODE_COMMON_WRITE_FLASHROM) || + (opcode == OPCODE_COMMON_WRITE_OBJECT)) && + (subsystem == CMD_SUBSYSTEM_COMMON)) { adapter->flash_status = compl_status; complete(&adapter->flash_compl); } if (compl_status == MCC_STATUS_SUCCESS) { - if (((compl->tag0 == OPCODE_ETH_GET_STATISTICS) || - (compl->tag0 == OPCODE_ETH_GET_PPORT_STATS)) && - (compl->tag1 == CMD_SUBSYSTEM_ETH)) { + if (((opcode == OPCODE_ETH_GET_STATISTICS) || + (opcode == OPCODE_ETH_GET_PPORT_STATS)) && + (subsystem == CMD_SUBSYSTEM_ETH)) { be_parse_stats(adapter); adapter->stats_cmd_sent = false; } - if (compl->tag0 == - OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES) { - struct be_mcc_wrb *mcc_wrb = - queue_index_node(&adapter->mcc_obj.q, - compl->tag1); + if (opcode == OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES && + subsystem == CMD_SUBSYSTEM_COMMON) { struct be_cmd_resp_get_cntl_addnl_attribs *resp = - embedded_payload(mcc_wrb); + (void *)resp_hdr; adapter->drv_stats.be_on_die_temperature = resp->on_die_temperature; } } else { - if (compl->tag0 == OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES) + if (opcode == OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES) be_get_temp_freq = 0; if (compl_status == MCC_STATUS_NOT_SUPPORTED || @@ -108,13 +123,13 @@ static int be_mcc_compl_process(struct be_adapter *adapter, if (compl_status == MCC_STATUS_UNAUTHORIZED_REQUEST) { dev_warn(&adapter->pdev->dev, "This domain(VM) is not " "permitted to execute this cmd (opcode %d)\n", - compl->tag0); + opcode); } else { extd_status = (compl->status >> CQE_STATUS_EXTD_SHIFT) & CQE_STATUS_EXTD_MASK; dev_err(&adapter->pdev->dev, "Cmd (opcode %d) failed:" "status %d, extd-status %d\n", - compl->tag0, compl_status, extd_status); + opcode, compl_status, extd_status); } } done: @@ -286,7 +301,7 @@ static int be_mcc_wait_compl(struct be_adapter *adapter) if (i == mcc_timeout) { dev_err(&adapter->pdev->dev, "FW not responding\n"); adapter->fw_timeout = true; - return -1; + return -EIO; } return status; } @@ -294,8 +309,26 @@ static int be_mcc_wait_compl(struct be_adapter *adapter) /* Notify MCC requests and wait for completion */ static int be_mcc_notify_wait(struct be_adapter *adapter) { + int status; + struct be_mcc_wrb *wrb; + struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; + u16 index = mcc_obj->q.head; + struct be_cmd_resp_hdr *resp; + + index_dec(&index, mcc_obj->q.len); + wrb = queue_index_node(&mcc_obj->q, index); + + resp = be_decode_resp_hdr(wrb->tag0, wrb->tag1); + be_mcc_notify(adapter); - return be_mcc_wait_compl(adapter); + + status = be_mcc_wait_compl(adapter); + if (status == -EIO) + goto out; + + status = resp->status; +out: + return status; } static int be_mbox_db_ready_wait(struct be_adapter *adapter, void __iomem *db) @@ -435,14 +468,17 @@ static void be_wrb_cmd_hdr_prepare(struct be_cmd_req_hdr *req_hdr, struct be_mcc_wrb *wrb, struct be_dma_mem *mem) { struct be_sge *sge; + unsigned long addr = (unsigned long)req_hdr; + u64 req_addr = addr; req_hdr->opcode = opcode; req_hdr->subsystem = subsystem; req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr)); req_hdr->version = 0; - wrb->tag0 = opcode; - wrb->tag1 = subsystem; + wrb->tag0 = req_addr & 0xFFFFFFFF; + wrb->tag1 = upper_32_bits(req_addr); + wrb->payload_length = cmd_len; if (mem) { wrb->embedded |= (1 & MCC_WRB_SGE_CNT_MASK) << @@ -1283,13 +1319,10 @@ int be_cmd_get_die_temperature(struct be_adapter *adapter) { struct be_mcc_wrb *wrb; struct be_cmd_req_get_cntl_addnl_attribs *req; - u16 mccq_index; int status; spin_lock_bh(&adapter->mcc_lock); - mccq_index = adapter->mcc_obj.q.head; - wrb = wrb_from_mccq(adapter); if (!wrb) { status = -EBUSY; @@ -1301,8 +1334,6 @@ int be_cmd_get_die_temperature(struct be_adapter *adapter) OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES, sizeof(*req), wrb, NULL); - wrb->tag1 = mccq_index; - be_mcc_notify(adapter); err: diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h index 3c543610906a..944f031bd31e 100644 --- a/drivers/net/ethernet/emulex/benet/be_cmds.h +++ b/drivers/net/ethernet/emulex/benet/be_cmds.h @@ -225,8 +225,12 @@ struct be_cmd_req_hdr { #define RESP_HDR_INFO_OPCODE_SHIFT 0 /* bits 0 - 7 */ #define RESP_HDR_INFO_SUBSYS_SHIFT 8 /* bits 8 - 15 */ struct be_cmd_resp_hdr { - u32 info; /* dword 0 */ - u32 status; /* dword 1 */ + u8 opcode; /* dword 0 */ + u8 subsystem; /* dword 0 */ + u8 rsvd[2]; /* dword 0 */ + u8 status; /* dword 1 */ + u8 add_status; /* dword 1 */ + u8 rsvd1[2]; /* dword 1 */ u32 response_length; /* dword 2 */ u32 actual_resp_len; /* dword 3 */ }; |