From: Ajit Khaparde Date: Sun, 20 Feb 2011 11:42:07 +0000 (+0000) Subject: be2net: add code to display temperature of ASIC X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=609ff3b;p=deliverable%2Flinux.git be2net: add code to display temperature of ASIC Add support to display temperature of ASIC via ethtool -S From: Somnath K Signed-off-by: Ajit Khaparde Signed-off-by: David S. Miller --- diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h index 7bf8dd4edeb4..46b951f2b045 100644 --- a/drivers/net/benet/be.h +++ b/drivers/net/benet/be.h @@ -225,6 +225,10 @@ struct be_rx_obj { u32 cache_line_barrier[15]; }; +struct be_drv_stats { + u8 be_on_die_temperature; +}; + struct be_vf_cfg { unsigned char vf_mac_addr[ETH_ALEN]; u32 vf_if_handle; @@ -234,6 +238,7 @@ struct be_vf_cfg { }; #define BE_INVALID_PMAC_ID 0xffffffff + struct be_adapter { struct pci_dev *pdev; struct net_device *netdev; @@ -269,6 +274,7 @@ struct be_adapter { u32 big_page_size; /* Compounded page size shared by rx wrbs */ u8 msix_vec_next_idx; + struct be_drv_stats drv_stats; struct vlan_group *vlan_grp; u16 vlans_added; @@ -281,6 +287,7 @@ struct be_adapter { struct be_dma_mem stats_cmd; /* Work queue used to perform periodic tasks like getting statistics */ struct delayed_work work; + u16 work_counter; /* Ethtool knobs and info */ bool rx_csum; /* BE card must perform rx-checksumming */ diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c index 59d25acf4374..ff62aaea9a45 100644 --- a/drivers/net/benet/be_cmds.c +++ b/drivers/net/benet/be_cmds.c @@ -18,6 +18,9 @@ #include "be.h" #include "be_cmds.h" +/* Must be a power of 2 or else MODULO will BUG_ON */ +static int be_get_temp_freq = 32; + static void be_mcc_notify(struct be_adapter *adapter) { struct be_queue_info *mccq = &adapter->mcc_obj.q; @@ -1069,6 +1072,9 @@ int be_cmd_get_stats(struct be_adapter *adapter, struct be_dma_mem *nonemb_cmd) struct be_sge *sge; int status = 0; + if (MODULO(adapter->work_counter, be_get_temp_freq) == 0) + be_cmd_get_die_temperature(adapter); + spin_lock_bh(&adapter->mcc_lock); wrb = wrb_from_mccq(adapter); @@ -1136,6 +1142,44 @@ err: return status; } +/* Uses synchronous mcc */ +int be_cmd_get_die_temperature(struct be_adapter *adapter) +{ + struct be_mcc_wrb *wrb; + struct be_cmd_req_get_cntl_addnl_attribs *req; + int status; + + spin_lock_bh(&adapter->mcc_lock); + + wrb = wrb_from_mccq(adapter); + if (!wrb) { + status = -EBUSY; + goto err; + } + req = embedded_payload(wrb); + + be_wrb_hdr_prepare(wrb, sizeof(*req), true, 0, + OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES); + + be_cmd_hdr_prepare(&req->hdr, CMD_SUBSYSTEM_COMMON, + OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES, sizeof(*req)); + + status = be_mcc_notify_wait(adapter); + if (!status) { + struct be_cmd_resp_get_cntl_addnl_attribs *resp = + embedded_payload(wrb); + adapter->drv_stats.be_on_die_temperature = + resp->on_die_temperature; + } + /* If IOCTL fails once, do not bother issuing it again */ + else + be_get_temp_freq = 0; + +err: + spin_unlock_bh(&adapter->mcc_lock); + return status; +} + /* Uses Mbox */ int be_cmd_get_fw_ver(struct be_adapter *adapter, char *fw_ver) { diff --git a/drivers/net/benet/be_cmds.h b/drivers/net/benet/be_cmds.h index a5af2963e7ef..6e89de82a5e9 100644 --- a/drivers/net/benet/be_cmds.h +++ b/drivers/net/benet/be_cmds.h @@ -189,6 +189,7 @@ struct be_mcc_mailbox { #define OPCODE_COMMON_GET_BEACON_STATE 70 #define OPCODE_COMMON_READ_TRANSRECV_DATA 73 #define OPCODE_COMMON_GET_PHY_DETAILS 102 +#define OPCODE_COMMON_GET_CNTL_ADDITIONAL_ATTRIBUTES 121 #define OPCODE_ETH_RSS_CONFIG 1 #define OPCODE_ETH_ACPI_CONFIG 2 @@ -668,6 +669,20 @@ struct be_cmd_resp_get_stats { struct be_hw_stats hw_stats; }; +struct be_cmd_req_get_cntl_addnl_attribs { + struct be_cmd_req_hdr hdr; + u8 rsvd[8]; +}; + +struct be_cmd_resp_get_cntl_addnl_attribs { + struct be_cmd_resp_hdr hdr; + u16 ipl_file_number; + u8 ipl_file_version; + u8 rsvd0; + u8 on_die_temperature; /* in degrees centigrade*/ + u8 rsvd1[3]; +}; + struct be_cmd_req_vlan_config { struct be_cmd_req_hdr hdr; u8 interface_id; @@ -1099,4 +1114,5 @@ extern int be_cmd_get_phy_info(struct be_adapter *adapter, struct be_dma_mem *cmd); extern int be_cmd_set_qos(struct be_adapter *adapter, u32 bps, u32 domain); extern void be_detect_dump_ue(struct be_adapter *adapter); +extern int be_cmd_get_die_temperature(struct be_adapter *adapter); diff --git a/drivers/net/benet/be_ethtool.c b/drivers/net/benet/be_ethtool.c index 0833cbdb9b53..47666933c55a 100644 --- a/drivers/net/benet/be_ethtool.c +++ b/drivers/net/benet/be_ethtool.c @@ -27,7 +27,7 @@ struct be_ethtool_stat { }; enum {NETSTAT, PORTSTAT, MISCSTAT, DRVSTAT_TX, DRVSTAT_RX, ERXSTAT, - PMEMSTAT}; + PMEMSTAT, DRVSTAT}; #define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \ offsetof(_struct, field) #define NETSTAT_INFO(field) #field, NETSTAT,\ @@ -46,6 +46,9 @@ enum {NETSTAT, PORTSTAT, MISCSTAT, DRVSTAT_TX, DRVSTAT_RX, ERXSTAT, FIELDINFO(struct be_erx_stats, field) #define PMEMSTAT_INFO(field) #field, PMEMSTAT,\ FIELDINFO(struct be_pmem_stats, field) +#define DRVSTAT_INFO(field) #field, DRVSTAT,\ + FIELDINFO(struct be_drv_stats, \ + field) static const struct be_ethtool_stat et_stats[] = { {NETSTAT_INFO(rx_packets)}, @@ -105,7 +108,8 @@ static const struct be_ethtool_stat et_stats[] = { {MISCSTAT_INFO(rx_drops_mtu)}, {MISCSTAT_INFO(port0_jabber_events)}, {MISCSTAT_INFO(port1_jabber_events)}, - {PMEMSTAT_INFO(eth_red_drops)} + {PMEMSTAT_INFO(eth_red_drops)}, + {DRVSTAT_INFO(be_on_die_temperature)} }; #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats) @@ -285,6 +289,9 @@ be_get_ethtool_stats(struct net_device *netdev, case PMEMSTAT: p = &hw_stats->pmem; break; + case DRVSTAT: + p = &adapter->drv_stats; + break; } p = (u8 *)p + et_stats[i].offset;