diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4.h | 8 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c | 198 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 26 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4_hw.h | 12 | ||||
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h | 81 |
5 files changed, 325 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h index 5ab5c3133acd..73b1f3aea092 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4.h @@ -290,11 +290,19 @@ enum chip_type { T5_LAST_REV = T5_A1, }; +struct devlog_params { + u32 memtype; /* which memory (EDC0, EDC1, MC) */ + u32 start; /* start of log in firmware memory */ + u32 size; /* size of log */ +}; + struct adapter_params { struct sge_params sge; struct tp_params tp; struct vpd_params vpd; struct pci_params pci; + struct devlog_params devlog; + enum pcie_memwin drv_memwin; unsigned int sf_size; /* serial flash size in bytes */ unsigned int sf_nsec; /* # of flash sectors */ diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c index c98a350d857e..1d3d1c590808 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c @@ -43,6 +43,203 @@ #include "cxgb4_debugfs.h" #include "l2t.h" +/* Firmware Device Log dump. + */ +static const char * const devlog_level_strings[] = { + [FW_DEVLOG_LEVEL_EMERG] = "EMERG", + [FW_DEVLOG_LEVEL_CRIT] = "CRIT", + [FW_DEVLOG_LEVEL_ERR] = "ERR", + [FW_DEVLOG_LEVEL_NOTICE] = "NOTICE", + [FW_DEVLOG_LEVEL_INFO] = "INFO", + [FW_DEVLOG_LEVEL_DEBUG] = "DEBUG" +}; + +static const char * const devlog_facility_strings[] = { + [FW_DEVLOG_FACILITY_CORE] = "CORE", + [FW_DEVLOG_FACILITY_SCHED] = "SCHED", + [FW_DEVLOG_FACILITY_TIMER] = "TIMER", + [FW_DEVLOG_FACILITY_RES] = "RES", + [FW_DEVLOG_FACILITY_HW] = "HW", + [FW_DEVLOG_FACILITY_FLR] = "FLR", + [FW_DEVLOG_FACILITY_DMAQ] = "DMAQ", + [FW_DEVLOG_FACILITY_PHY] = "PHY", + [FW_DEVLOG_FACILITY_MAC] = "MAC", + [FW_DEVLOG_FACILITY_PORT] = "PORT", + [FW_DEVLOG_FACILITY_VI] = "VI", + [FW_DEVLOG_FACILITY_FILTER] = "FILTER", + [FW_DEVLOG_FACILITY_ACL] = "ACL", + [FW_DEVLOG_FACILITY_TM] = "TM", + [FW_DEVLOG_FACILITY_QFC] = "QFC", + [FW_DEVLOG_FACILITY_DCB] = "DCB", + [FW_DEVLOG_FACILITY_ETH] = "ETH", + [FW_DEVLOG_FACILITY_OFLD] = "OFLD", + [FW_DEVLOG_FACILITY_RI] = "RI", + [FW_DEVLOG_FACILITY_ISCSI] = "ISCSI", + [FW_DEVLOG_FACILITY_FCOE] = "FCOE", + [FW_DEVLOG_FACILITY_FOISCSI] = "FOISCSI", + [FW_DEVLOG_FACILITY_FOFCOE] = "FOFCOE" +}; + +/* Information gathered by Device Log Open routine for the display routine. + */ +struct devlog_info { + unsigned int nentries; /* number of entries in log[] */ + unsigned int first; /* first [temporal] entry in log[] */ + struct fw_devlog_e log[0]; /* Firmware Device Log */ +}; + +/* Dump a Firmaware Device Log entry. + */ +static int devlog_show(struct seq_file *seq, void *v) +{ + if (v == SEQ_START_TOKEN) + seq_printf(seq, "%10s %15s %8s %8s %s\n", + "Seq#", "Tstamp", "Level", "Facility", "Message"); + else { + struct devlog_info *dinfo = seq->private; + int fidx = (uintptr_t)v - 2; + unsigned long index; + struct fw_devlog_e *e; + + /* Get a pointer to the log entry to display. Skip unused log + * entries. + */ + index = dinfo->first + fidx; + if (index >= dinfo->nentries) + index -= dinfo->nentries; + e = &dinfo->log[index]; + if (e->timestamp == 0) + return 0; + + /* Print the message. This depends on the firmware using + * exactly the same formating strings as the kernel so we may + * eventually have to put a format interpreter in here ... + */ + seq_printf(seq, "%10d %15llu %8s %8s ", + e->seqno, e->timestamp, + (e->level < ARRAY_SIZE(devlog_level_strings) + ? devlog_level_strings[e->level] + : "UNKNOWN"), + (e->facility < ARRAY_SIZE(devlog_facility_strings) + ? devlog_facility_strings[e->facility] + : "UNKNOWN")); + seq_printf(seq, e->fmt, e->params[0], e->params[1], + e->params[2], e->params[3], e->params[4], + e->params[5], e->params[6], e->params[7]); + } + return 0; +} + +/* Sequential File Operations for Device Log. + */ +static inline void *devlog_get_idx(struct devlog_info *dinfo, loff_t pos) +{ + if (pos > dinfo->nentries) + return NULL; + + return (void *)(uintptr_t)(pos + 1); +} + +static void *devlog_start(struct seq_file *seq, loff_t *pos) +{ + struct devlog_info *dinfo = seq->private; + + return (*pos + ? devlog_get_idx(dinfo, *pos) + : SEQ_START_TOKEN); +} + +static void *devlog_next(struct seq_file *seq, void *v, loff_t *pos) +{ + struct devlog_info *dinfo = seq->private; + + (*pos)++; + return devlog_get_idx(dinfo, *pos); +} + +static void devlog_stop(struct seq_file *seq, void *v) +{ +} + +static const struct seq_operations devlog_seq_ops = { + .start = devlog_start, + .next = devlog_next, + .stop = devlog_stop, + .show = devlog_show +}; + +/* Set up for reading the firmware's device log. We read the entire log here + * and then display it incrementally in devlog_show(). + */ +static int devlog_open(struct inode *inode, struct file *file) +{ + struct adapter *adap = inode->i_private; + struct devlog_params *dparams = &adap->params.devlog; + struct devlog_info *dinfo; + unsigned int index; + u32 fseqno; + int ret; + + /* If we don't know where the log is we can't do anything. + */ + if (dparams->start == 0) + return -ENXIO; + + /* Allocate the space to read in the firmware's device log and set up + * for the iterated call to our display function. + */ + dinfo = __seq_open_private(file, &devlog_seq_ops, + sizeof(*dinfo) + dparams->size); + if (!dinfo) + return -ENOMEM; + + /* Record the basic log buffer information and read in the raw log. + */ + dinfo->nentries = (dparams->size / sizeof(struct fw_devlog_e)); + dinfo->first = 0; + spin_lock(&adap->win0_lock); + ret = t4_memory_rw(adap, adap->params.drv_memwin, dparams->memtype, + dparams->start, dparams->size, (__be32 *)dinfo->log, + T4_MEMORY_READ); + spin_unlock(&adap->win0_lock); + if (ret) { + seq_release_private(inode, file); + return ret; + } + + /* Translate log multi-byte integral elements into host native format + * and determine where the first entry in the log is. + */ + for (fseqno = ~((u32)0), index = 0; index < dinfo->nentries; index++) { + struct fw_devlog_e *e = &dinfo->log[index]; + int i; + __u32 seqno; + + if (e->timestamp == 0) + continue; + + e->timestamp = (__force __be64)be64_to_cpu(e->timestamp); + seqno = be32_to_cpu(e->seqno); + for (i = 0; i < 8; i++) + e->params[i] = + (__force __be32)be32_to_cpu(e->params[i]); + + if (seqno < fseqno) { + fseqno = seqno; + dinfo->first = index; + } + } + return 0; +} + +static const struct file_operations devlog_fops = { + .owner = THIS_MODULE, + .open = devlog_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release_private +}; + static ssize_t mem_read(struct file *file, char __user *buf, size_t count, loff_t *ppos) { @@ -121,6 +318,7 @@ int t4_setup_debugfs(struct adapter *adap) u32 size; static struct t4_debugfs_entry t4_debugfs_files[] = { + { "devlog", &devlog_fops, S_IRUSR, 0 }, { "l2t", &t4_l2t_fops, S_IRUSR, 0}, }; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c index 04e675b8218a..6de41cc6687e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c @@ -5541,6 +5541,8 @@ static int adap_init0(struct adapter *adap) enum dev_state state; u32 params[7], val[7]; struct fw_caps_config_cmd caps_cmd; + struct fw_devlog_cmd devlog_cmd; + u32 devlog_meminfo; int reset = 1; /* Contact FW, advertising Master capability */ @@ -5621,6 +5623,30 @@ static int adap_init0(struct adapter *adap) if (ret < 0) goto bye; + /* Read firmware device log parameters. We really need to find a way + * to get these parameters initialized with some default values (which + * are likely to be correct) for the case where we either don't + * attache to the firmware or it's crashed when we probe the adapter. + * That way we'll still be able to perform early firmware startup + * debugging ... If the request to get the Firmware's Device Log + * parameters fails, we'll live so we don't make that a fatal error. + */ + memset(&devlog_cmd, 0, sizeof(devlog_cmd)); + devlog_cmd.op_to_write = htonl(FW_CMD_OP_V(FW_DEVLOG_CMD) | + FW_CMD_REQUEST_F | FW_CMD_READ_F); + devlog_cmd.retval_len16 = htonl(FW_LEN16(devlog_cmd)); + ret = t4_wr_mbox(adap, adap->mbox, &devlog_cmd, sizeof(devlog_cmd), + &devlog_cmd); + if (ret == 0) { + devlog_meminfo = + ntohl(devlog_cmd.memtype_devlog_memaddr16_devlog); + adap->params.devlog.memtype = + FW_DEVLOG_CMD_MEMTYPE_DEVLOG_G(devlog_meminfo); + adap->params.devlog.start = + FW_DEVLOG_CMD_MEMADDR16_DEVLOG_G(devlog_meminfo) << 4; + adap->params.devlog.size = ntohl(devlog_cmd.memsize_devlog); + } + /* * Find out what ports are available to us. Note that we need to do * this before calling adap_init0_no_config() since it needs nports diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h index c19a90e7f7d1..5e5eee6c6b5e 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h @@ -110,6 +110,18 @@ enum { SGE_INGPADBOUNDARY_SHIFT = 5,/* ingress queue pad boundary */ }; +/* PCI-e memory window access */ +enum pcie_memwin { + MEMWIN_NIC = 0, + MEMWIN_RSVD1 = 1, + MEMWIN_RSVD2 = 2, + MEMWIN_RDMA = 3, + MEMWIN_RSVD4 = 4, + MEMWIN_FOISCSI = 5, + MEMWIN_CSIOSTOR = 6, + MEMWIN_RSVD7 = 7, +}; + struct sge_qstat { /* data written to SGE queue status entries */ __be32 qid; __be16 cidx; diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h index 7c0aec85137a..de8283324f1f 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h @@ -673,6 +673,7 @@ enum fw_cmd_opcodes { FW_RSS_IND_TBL_CMD = 0x20, FW_RSS_GLB_CONFIG_CMD = 0x22, FW_RSS_VI_CONFIG_CMD = 0x23, + FW_DEVLOG_CMD = 0x25, FW_CLIP_CMD = 0x28, FW_LASTC2E_CMD = 0x40, FW_ERROR_CMD = 0x80, @@ -3038,4 +3039,84 @@ enum fw_hdr_flags { FW_HDR_FLAGS_RESET_HALT = 0x00000001, }; +/* length of the formatting string */ +#define FW_DEVLOG_FMT_LEN 192 + +/* maximum number of the formatting string parameters */ +#define FW_DEVLOG_FMT_PARAMS_NUM 8 + +/* priority levels */ +enum fw_devlog_level { + FW_DEVLOG_LEVEL_EMERG = 0x0, + FW_DEVLOG_LEVEL_CRIT = 0x1, + FW_DEVLOG_LEVEL_ERR = 0x2, + FW_DEVLOG_LEVEL_NOTICE = 0x3, + FW_DEVLOG_LEVEL_INFO = 0x4, + FW_DEVLOG_LEVEL_DEBUG = 0x5, + FW_DEVLOG_LEVEL_MAX = 0x5, +}; + +/* facilities that may send a log message */ +enum fw_devlog_facility { + FW_DEVLOG_FACILITY_CORE = 0x00, + FW_DEVLOG_FACILITY_CF = 0x01, + FW_DEVLOG_FACILITY_SCHED = 0x02, + FW_DEVLOG_FACILITY_TIMER = 0x04, + FW_DEVLOG_FACILITY_RES = 0x06, + FW_DEVLOG_FACILITY_HW = 0x08, + FW_DEVLOG_FACILITY_FLR = 0x10, + FW_DEVLOG_FACILITY_DMAQ = 0x12, + FW_DEVLOG_FACILITY_PHY = 0x14, + FW_DEVLOG_FACILITY_MAC = 0x16, + FW_DEVLOG_FACILITY_PORT = 0x18, + FW_DEVLOG_FACILITY_VI = 0x1A, + FW_DEVLOG_FACILITY_FILTER = 0x1C, + FW_DEVLOG_FACILITY_ACL = 0x1E, + FW_DEVLOG_FACILITY_TM = 0x20, + FW_DEVLOG_FACILITY_QFC = 0x22, + FW_DEVLOG_FACILITY_DCB = 0x24, + FW_DEVLOG_FACILITY_ETH = 0x26, + FW_DEVLOG_FACILITY_OFLD = 0x28, + FW_DEVLOG_FACILITY_RI = 0x2A, + FW_DEVLOG_FACILITY_ISCSI = 0x2C, + FW_DEVLOG_FACILITY_FCOE = 0x2E, + FW_DEVLOG_FACILITY_FOISCSI = 0x30, + FW_DEVLOG_FACILITY_FOFCOE = 0x32, + FW_DEVLOG_FACILITY_MAX = 0x32, +}; + +/* log message format */ +struct fw_devlog_e { + __be64 timestamp; + __be32 seqno; + __be16 reserved1; + __u8 level; + __u8 facility; + __u8 fmt[FW_DEVLOG_FMT_LEN]; + __be32 params[FW_DEVLOG_FMT_PARAMS_NUM]; + __be32 reserved3[4]; +}; + +struct fw_devlog_cmd { + __be32 op_to_write; + __be32 retval_len16; + __u8 level; + __u8 r2[7]; + __be32 memtype_devlog_memaddr16_devlog; + __be32 memsize_devlog; + __be32 r3[2]; +}; + +#define FW_DEVLOG_CMD_MEMTYPE_DEVLOG_S 28 +#define FW_DEVLOG_CMD_MEMTYPE_DEVLOG_M 0xf +#define FW_DEVLOG_CMD_MEMTYPE_DEVLOG_G(x) \ + (((x) >> FW_DEVLOG_CMD_MEMTYPE_DEVLOG_S) & \ + FW_DEVLOG_CMD_MEMTYPE_DEVLOG_M) + +#define FW_DEVLOG_CMD_MEMADDR16_DEVLOG_S 0 +#define FW_DEVLOG_CMD_MEMADDR16_DEVLOG_M 0xfffffff +#define FW_DEVLOG_CMD_MEMADDR16_DEVLOG_G(x) \ + (((x) >> FW_DEVLOG_CMD_MEMADDR16_DEVLOG_S) & \ + FW_DEVLOG_CMD_MEMADDR16_DEVLOG_M) + #endif /* _T4FW_INTERFACE_H_ */ |