diff options
| author | Hariprasad Shenai <hariprasad@chelsio.com> | 2015-06-09 18:27:51 +0530 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-06-10 22:00:26 -0700 |
| commit | 1968960912243c7261b87111eda28c1343401c68 (patch) | |
| tree | 06a33f11f750527a3bb4201554d7507acdca45f6 /drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c | |
| parent | 26fae93fdafe7f22ecda12e3671901569b3db687 (diff) | |
cxgb4: Add debugfs entry to dump CIM PIF logic analyzer contents
Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c')
| -rw-r--r-- | drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c index 7c9ad630c1cd..eb39564c1dfe 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c @@ -182,6 +182,49 @@ static const struct file_operations cim_la_fops = { .release = seq_release_private }; +static int cim_pif_la_show(struct seq_file *seq, void *v, int idx) +{ + const u32 *p = v; + + if (v == SEQ_START_TOKEN) { + seq_puts(seq, "Cntl ID DataBE Addr Data\n"); + } else if (idx < CIM_PIFLA_SIZE) { + seq_printf(seq, " %02x %02x %04x %08x %08x%08x%08x%08x\n", + (p[5] >> 22) & 0xff, (p[5] >> 16) & 0x3f, + p[5] & 0xffff, p[4], p[3], p[2], p[1], p[0]); + } else { + if (idx == CIM_PIFLA_SIZE) + seq_puts(seq, "\nCntl ID Data\n"); + seq_printf(seq, " %02x %02x %08x%08x%08x%08x\n", + (p[4] >> 6) & 0xff, p[4] & 0x3f, + p[3], p[2], p[1], p[0]); + } + return 0; +} + +static int cim_pif_la_open(struct inode *inode, struct file *file) +{ + struct seq_tab *p; + struct adapter *adap = inode->i_private; + + p = seq_open_tab(file, 2 * CIM_PIFLA_SIZE, 6 * sizeof(u32), 1, + cim_pif_la_show); + if (!p) + return -ENOMEM; + + t4_cim_read_pif_la(adap, (u32 *)p->data, + (u32 *)p->data + 6 * CIM_PIFLA_SIZE, NULL, NULL); + return 0; +} + +static const struct file_operations cim_pif_la_fops = { + .owner = THIS_MODULE, + .open = cim_pif_la_open, + .read = seq_read, + .llseek = seq_lseek, + .release = seq_release_private +}; + static int cim_ma_la_show(struct seq_file *seq, void *v, int idx) { const u32 *p = v; @@ -2174,6 +2217,7 @@ int t4_setup_debugfs(struct adapter *adap) static struct t4_debugfs_entry t4_debugfs_files[] = { { "cim_la", &cim_la_fops, S_IRUSR, 0 }, + { "cim_pif_la", &cim_pif_la_fops, S_IRUSR, 0 }, { "cim_ma_la", &cim_ma_la_fops, S_IRUSR, 0 }, { "cim_qcfg", &cim_qcfg_fops, S_IRUSR, 0 }, { "clk", &clk_debugfs_fops, S_IRUSR, 0 }, |