static int __init intel_fw_logging_init(void)
{
int length = 0;
oshob_base = get_oshob_addr();
if (oshob_base == NULL)
return -EINVAL;
length = create_fwerr_log(log_buffer, oshob_base);
if (length != 0) {
#ifdef CONFIG_PROC_FS
ipanic_faberr = create_proc_entry("ipanic_fabric_err",
S_IFREG | S_IRUGO, NULL);
if (ipanic_faberr == 0) {
pr_err("Fail creating procfile ipanic_fabric_err\n");
return -ENOMEM;
}
ipanic_faberr->read_proc = intel_fw_logging_proc_read;
ipanic_faberr->write_proc = NULL;
ipanic_faberr->size = length;
#endif /* CONFIG_PROC_FS */
/* Dump log as error to console */
pr_err("%s", log_buffer);
/* Clear fabric error region inside OSHOB if neccessary */
intel_scu_ipc_simple_command(IPCMSG_CLEAR_FABERROR, 0);
}
iounmap(oshob_base);
return 0;
}
static int __init intel_fw_logging_init(void)
{
int length = 0;
int err = 0;
u32 scu_trace_size;
u32 trace_size;
oshob_base = get_oshob_addr();
if (oshob_base == NULL)
return -EINVAL;
/*
* Calculate size of SCU extra trace buffer. Size of the buffer
* is given by SCU. Make sanity check in case of incorrect data.
* We don't want to allocate all of the memory for trace dump.
*/
trace_size = intel_scu_ipc_get_scu_trace_buffer_size();
if (trace_size > MAX_SCU_EXTRA_DUMP_SIZE)
trace_size = 0;
/*
* Buffer size is in bytes. We will dump 32-bit hex values + header.
* Calculate number of lines and assume constant number of
* characters per line.
*/
scu_trace_size = ((trace_size / sizeof(u32)) + 2) *
CHAR_PER_LINE_EXTRA_TRACE;
/* Allocate buffer for traditional trace and extra trace */
log_buffer = vzalloc(MAX_FULL_SIZE + scu_trace_size);
if (!log_buffer) {
err = -ENOMEM;
goto err_nomem;
}
length = create_fwerr_log(log_buffer, oshob_base);
if (!length)
goto err_nolog;
length = dump_scu_extented_trace(log_buffer, length,
trace_size);
#ifdef CONFIG_PROC_FS
ipanic_faberr = create_proc_entry("ipanic_fabric_err",
S_IFREG | S_IRUGO, NULL);
if (ipanic_faberr == 0) {
pr_err("Fail creating procfile ipanic_fabric_err\n");
err = -ENOMEM;
goto err_procfail;
}
ipanic_faberr->read_proc = intel_fw_logging_proc_read;
ipanic_faberr->write_proc = NULL;
ipanic_faberr->size = length;
#endif /* CONFIG_PROC_FS */
/* Dump log as error to console */
pr_err("%s", log_buffer);
/* Clear fabric error region inside OSHOB if neccessary */
intel_scu_ipc_simple_command(IPCMSG_CLEAR_FABERROR, 0);
goto leave;
err_procfail:
err_nolog:
vfree(log_buffer);
err_nomem:
leave:
iounmap(oshob_base);
return err;
}
