Commit 6014a246 authored by James Smart's avatar James Smart Committed by Martin K. Petersen
Browse files

scsi: lpfc: Add additional debugfs support for CMF 

Dump raw CMF parameter information in debugfs cgn_buffer.

Link: https://lore.kernel.org/r/20211204002644.116455-9-jsmart2021@gmail.com


Co-developed-by: default avatarJustin Tee <justin.tee@broadcom.com>
Signed-off-by: default avatarJustin Tee <justin.tee@broadcom.com>
Signed-off-by: default avatarJames Smart <jsmart2021@gmail.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 05116ef9

drivers/scsi/lpfc/lpfc_debugfs.c

+12 −1
Original line number Diff line number Diff line
@@ -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);

}