X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=drivers%2Fscsi%2Ffnic%2Ffnic_main.c;h=d601ac543c52bd1f24b50a760c240ab2c374f62c;hb=4d7007b49d523d8f954ae047118d82c130f673ce;hp=fcecbb7281aaff7629392f44cc1912876c454ce3;hpb=14eb5d905d16ecd33e5e3113eb44cfa2bb47e7d7;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git

diff --git a/drivers/scsi/fnic/fnic_main.c b/drivers/scsi/fnic/fnic_main.c
index fcecbb7..d601ac5 100644
--- a/drivers/scsi/fnic/fnic_main.c
+++ b/drivers/scsi/fnic/fnic_main.c
@@ -68,6 +68,10 @@ unsigned int fnic_log_level;
 module_param(fnic_log_level, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(fnic_log_level, "bit mask of fnic logging levels");
 
+unsigned int fnic_trace_max_pages = 16;
+module_param(fnic_trace_max_pages, uint, S_IRUGO|S_IWUSR);
+MODULE_PARM_DESC(fnic_trace_max_pages, "Total allocated memory pages "
+					"for fnic trace buffer");
 
 static struct libfc_function_template fnic_transport_template = {
 	.frame_send = fnic_send,
@@ -861,6 +865,14 @@ static int __init fnic_init_module(void)
 
 	printk(KERN_INFO PFX "%s, ver %s\n", DRV_DESCRIPTION, DRV_VERSION);
 
+	/* Allocate memory for trace buffer */
+	err = fnic_trace_buf_init();
+	if (err < 0) {
+		printk(KERN_ERR PFX "Trace buffer initialization Failed "
+				  "Fnic Tracing utility is disabled\n");
+		fnic_trace_free();
+	}
+
 	/* Create a cache for allocation of default size sgls */
 	len = sizeof(struct fnic_dflt_sgl_list);
 	fnic_sgl_cache[FNIC_SGL_CACHE_DFLT] = kmem_cache_create
@@ -931,6 +943,7 @@ err_create_fnic_ioreq_slab:
 err_create_fnic_sgl_slab_max:
 	kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
 err_create_fnic_sgl_slab_dflt:
+	fnic_trace_free();
 	return err;
 }
 
@@ -942,6 +955,7 @@ static void __exit fnic_cleanup_module(void)
 	kmem_cache_destroy(fnic_sgl_cache[FNIC_SGL_CACHE_DFLT]);
 	kmem_cache_destroy(fnic_io_req_cache);
 	fc_release_transport(fnic_fc_transport);
+	fnic_trace_free();
 }
 
 module_init(fnic_init_module);