From b22da3d8526a935aa31e086e63f60ff3246cb61c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 09 Dec 2023 07:24:11 +0000
Subject: [PATCH] add stmac read mac form eeprom
---
kernel/drivers/char/ipmi/ipmi_bt_sm.c | 70 ++++++++++++++++++----------------
1 files changed, 37 insertions(+), 33 deletions(-)
diff --git a/kernel/drivers/char/ipmi/ipmi_bt_sm.c b/kernel/drivers/char/ipmi/ipmi_bt_sm.c
index 97d6856..f41f789 100644
--- a/kernel/drivers/char/ipmi/ipmi_bt_sm.c
+++ b/kernel/drivers/char/ipmi/ipmi_bt_sm.c
@@ -8,6 +8,8 @@
* Author: Rocky Craig <first.last@hp.com>
*/
+#define DEBUG /* So dev_dbg() is always available. */
+
#include <linux/kernel.h> /* For printk. */
#include <linux/string.h>
#include <linux/module.h>
@@ -211,15 +213,17 @@
if (bt->state == BT_STATE_LONG_BUSY)
return IPMI_NODE_BUSY_ERR;
- if (bt->state != BT_STATE_IDLE)
+ if (bt->state != BT_STATE_IDLE) {
+ dev_warn(bt->io->dev, "BT in invalid state %d\n", bt->state);
return IPMI_NOT_IN_MY_STATE_ERR;
+ }
if (bt_debug & BT_DEBUG_MSG) {
- printk(KERN_WARNING "BT: +++++++++++++++++ New command\n");
- printk(KERN_WARNING "BT: NetFn/LUN CMD [%d data]:", size - 2);
+ dev_dbg(bt->io->dev, "+++++++++++++++++ New command\n");
+ dev_dbg(bt->io->dev, "NetFn/LUN CMD [%d data]:", size - 2);
for (i = 0; i < size; i ++)
- printk(" %02x", data[i]);
- printk("\n");
+ pr_cont(" %02x", data[i]);
+ pr_cont("\n");
}
bt->write_data[0] = size + 1; /* all data plus seq byte */
bt->write_data[1] = *data; /* NetFn/LUN */
@@ -260,10 +264,10 @@
memcpy(data + 2, bt->read_data + 4, msg_len - 2);
if (bt_debug & BT_DEBUG_MSG) {
- printk(KERN_WARNING "BT: result %d bytes:", msg_len);
+ dev_dbg(bt->io->dev, "result %d bytes:", msg_len);
for (i = 0; i < msg_len; i++)
- printk(" %02x", data[i]);
- printk("\n");
+ pr_cont(" %02x", data[i]);
+ pr_cont("\n");
}
return msg_len;
}
@@ -274,8 +278,7 @@
static void reset_flags(struct si_sm_data *bt)
{
if (bt_debug)
- printk(KERN_WARNING "IPMI BT: flag reset %s\n",
- status2txt(BT_STATUS));
+ dev_dbg(bt->io->dev, "flag reset %s\n", status2txt(BT_STATUS));
if (BT_STATUS & BT_H_BUSY)
BT_CONTROL(BT_H_BUSY); /* force clear */
BT_CONTROL(BT_CLR_WR_PTR); /* always reset */
@@ -301,14 +304,14 @@
BT_CONTROL(BT_B2H_ATN); /* some BMCs are stubborn */
BT_CONTROL(BT_CLR_RD_PTR); /* always reset */
if (bt_debug)
- printk(KERN_WARNING "IPMI BT: stale response %s; ",
+ dev_dbg(bt->io->dev, "stale response %s; ",
status2txt(BT_STATUS));
size = BMC2HOST;
for (i = 0; i < size ; i++)
BMC2HOST;
BT_CONTROL(BT_H_BUSY); /* now clear */
if (bt_debug)
- printk("drained %d bytes\n", size + 1);
+ pr_cont("drained %d bytes\n", size + 1);
}
static inline void write_all_bytes(struct si_sm_data *bt)
@@ -316,11 +319,11 @@
int i;
if (bt_debug & BT_DEBUG_MSG) {
- printk(KERN_WARNING "BT: write %d bytes seq=0x%02X",
+ dev_dbg(bt->io->dev, "write %d bytes seq=0x%02X",
bt->write_count, bt->seq);
for (i = 0; i < bt->write_count; i++)
- printk(" %02x", bt->write_data[i]);
- printk("\n");
+ pr_cont(" %02x", bt->write_data[i]);
+ pr_cont("\n");
}
for (i = 0; i < bt->write_count; i++)
HOST2BMC(bt->write_data[i]);
@@ -340,8 +343,8 @@
if (bt->read_count < 4 || bt->read_count >= IPMI_MAX_MSG_LENGTH) {
if (bt_debug & BT_DEBUG_MSG)
- printk(KERN_WARNING "BT: bad raw rsp len=%d\n",
- bt->read_count);
+ dev_dbg(bt->io->dev,
+ "bad raw rsp len=%d\n", bt->read_count);
bt->truncated = 1;
return 1; /* let next XACTION START clean it up */
}
@@ -352,13 +355,13 @@
if (bt_debug & BT_DEBUG_MSG) {
int max = bt->read_count;
- printk(KERN_WARNING "BT: got %d bytes seq=0x%02X",
- max, bt->read_data[2]);
+ dev_dbg(bt->io->dev,
+ "got %d bytes seq=0x%02X", max, bt->read_data[2]);
if (max > 16)
max = 16;
for (i = 0; i < max; i++)
- printk(KERN_CONT " %02x", bt->read_data[i]);
- printk(KERN_CONT "%s\n", bt->read_count == max ? "" : " ...");
+ pr_cont(" %02x", bt->read_data[i]);
+ pr_cont("%s\n", bt->read_count == max ? "" : " ...");
}
/* per the spec, the (NetFn[1], Seq[2], Cmd[3]) tuples must match */
@@ -368,10 +371,11 @@
return 1;
if (bt_debug & BT_DEBUG_MSG)
- printk(KERN_WARNING "IPMI BT: bad packet: "
- "want 0x(%02X, %02X, %02X) got (%02X, %02X, %02X)\n",
- bt->write_data[1] | 0x04, bt->write_data[2], bt->write_data[3],
- bt->read_data[1], bt->read_data[2], bt->read_data[3]);
+ dev_dbg(bt->io->dev,
+ "IPMI BT: bad packet: want 0x(%02X, %02X, %02X) got (%02X, %02X, %02X)\n",
+ bt->write_data[1] | 0x04, bt->write_data[2],
+ bt->write_data[3],
+ bt->read_data[1], bt->read_data[2], bt->read_data[3]);
return 0;
}
@@ -394,8 +398,8 @@
break;
}
- printk(KERN_WARNING "IPMI BT: %s in %s %s ", /* open-ended line */
- reason, STATE2TXT, STATUS2TXT);
+ dev_warn(bt->io->dev, "IPMI BT: %s in %s %s ", /* open-ended line */
+ reason, STATE2TXT, STATUS2TXT);
/*
* Per the IPMI spec, retries are based on the sequence number
@@ -403,20 +407,20 @@
*/
(bt->error_retries)++;
if (bt->error_retries < bt->BT_CAP_retries) {
- printk("%d retries left\n",
+ pr_cont("%d retries left\n",
bt->BT_CAP_retries - bt->error_retries);
bt->state = BT_STATE_RESTART;
return SI_SM_CALL_WITHOUT_DELAY;
}
- printk(KERN_WARNING "failed %d retries, sending error response\n",
- bt->BT_CAP_retries);
+ dev_warn(bt->io->dev, "failed %d retries, sending error response\n",
+ bt->BT_CAP_retries);
if (!bt->nonzero_status)
- printk(KERN_ERR "IPMI BT: stuck, try power cycle\n");
+ dev_err(bt->io->dev, "stuck, try power cycle\n");
/* this is most likely during insmod */
else if (bt->seq <= (unsigned char)(bt->BT_CAP_retries & 0xFF)) {
- printk(KERN_WARNING "IPMI: BT reset (takes 5 secs)\n");
+ dev_warn(bt->io->dev, "BT reset (takes 5 secs)\n");
bt->state = BT_STATE_RESET1;
return SI_SM_CALL_WITHOUT_DELAY;
}
@@ -452,7 +456,7 @@
status = BT_STATUS;
bt->nonzero_status |= status;
if ((bt_debug & BT_DEBUG_STATES) && (bt->state != last_printed)) {
- printk(KERN_WARNING "BT: %s %s TO=%ld - %ld \n",
+ dev_dbg(bt->io->dev, "BT: %s %s TO=%ld - %ld\n",
STATE2TXT,
STATUS2TXT,
bt->timeout,
--
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