#include <linux/kernel.h> /* For printk. */
#include <linux/string.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
#include <linux/ipmi_msgdefs.h> /* for completion codes */
#include "ipmi_si_sm.h"
#define SMIC_DEBUG_ENABLE 1
static int smic_debug = 1;
+module_param(smic_debug, int, 0644);
+MODULE_PARM_DESC(smic_debug, "debug bitmask, 1=enable, 2=messages, 4=states");
enum smic_states {
SMIC_IDLE,
#define SMIC_MAX_ERROR_RETRIES 3
/* Timeouts in microseconds. */
-#define SMIC_RETRY_TIMEOUT 100000
+#define SMIC_RETRY_TIMEOUT 2000000
/* SMIC Flags Register Bits */
#define SMIC_RX_DATA_READY 0x80
#define SMIC_TX_DATA_READY 0x40
+/*
+ * SMIC_SMI and SMIC_EVM_DATA_AVAIL are only used by
+ * a few systems, and then only by Systems Management
+ * Interrupts, not by the OS. Always ignore these bits.
+ *
+ */
#define SMIC_SMI 0x10
#define SMIC_EVM_DATA_AVAIL 0x08
#define SMIC_SMS_DATA_AVAIL 0x04
switch (smic->state) {
case SMIC_IDLE:
/* in IDLE we check for available messages */
- if (flags & (SMIC_SMI |
- SMIC_EVM_DATA_AVAIL | SMIC_SMS_DATA_AVAIL))
+ if (flags & SMIC_SMS_DATA_AVAIL)
{
return SI_SM_ATTN;
}