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scsi: lpfc: Add additional debugfs support for CMF

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Dump raw CMF parameter information in debugfs cgn_buffer.

Link: https://lore.kernel.org/r/20211204002644.116455-9-jsmart2021@gmail.com
Co-developed-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: Justin Tee <justin.tee@broadcom.com>
Signed-off-by: James Smart <jsmart2021@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
James Smart 2021-12-03 16:26:43 -08:00 committed by Martin K. Petersen
parent 05116ef9c4
commit 6014a2468f
1 changed files with 12 additions and 1 deletions
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13
drivers/scsi/lpfc/lpfc_debugfs.c
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@ -5484,7 +5484,7 @@ lpfc_cgn_buffer_read(struct file *file, char __user *buf, size_t nbytes,
if (len > (LPFC_CGN_BUF_SIZE - LPFC_DEBUG_OUT_LINE_SZ)) {
len += scnprintf(buffer + len, LPFC_CGN_BUF_SIZE - len,
"Truncated . . .\n");
break;
goto out;
}
len += scnprintf(buffer + len, LPFC_CGN_BUF_SIZE - len,
"%03x: %08x %08x %08x %08x "
@ -5495,6 +5495,17 @@ lpfc_cgn_buffer_read(struct file *file, char __user *buf, size_t nbytes,
cnt += 32;
ptr += 8;
}
if (len > (LPFC_CGN_BUF_SIZE - LPFC_DEBUG_OUT_LINE_SZ)) {
len += scnprintf(buffer + len, LPFC_CGN_BUF_SIZE - len,
"Truncated . . .\n");
goto out;
}
len += scnprintf(buffer + len, LPFC_CGN_BUF_SIZE - len,
"Parameter Data\n");
ptr = (uint32_t *)&phba->cgn_p;
len += scnprintf(buffer + len, LPFC_CGN_BUF_SIZE - len,
"%08x %08x %08x %08x\n",
*ptr, *(ptr + 1), *(ptr + 2), *(ptr + 3));
out:
return simple_read_from_buffer(buf, nbytes, ppos, buffer, len);
}