scsi: qla2xxx: Check the size of firmware data structures at compile time

Since the next patch will modify several firmware data structures, add
compile time checks that verify that these structures have the correct
size.

Cc: Himanshu Madhani <hmadhani@marvell.com>
Cc: Giridhar Malavali <gmalavali@marvell.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Acked-by: Himanshu Madhani <hmadhani@marvell.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 35f62f1..73ddd02 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -7285,6 +7285,30 @@ qla2x00_module_init(void)
 {
        int ret = 0;
 
+       BUILD_BUG_ON(sizeof(cmd_entry_t) != 64);
+       BUILD_BUG_ON(sizeof(cont_a64_entry_t) != 64);
+       BUILD_BUG_ON(sizeof(cont_entry_t) != 64);
+       BUILD_BUG_ON(sizeof(init_cb_t) != 96);
+       BUILD_BUG_ON(sizeof(ms_iocb_entry_t) != 64);
+       BUILD_BUG_ON(sizeof(request_t) != 64);
+       BUILD_BUG_ON(sizeof(struct access_chip_84xx) != 64);
+       BUILD_BUG_ON(sizeof(struct cmd_bidir) != 64);
+       BUILD_BUG_ON(sizeof(struct cmd_nvme) != 64);
+       BUILD_BUG_ON(sizeof(struct cmd_type_6) != 64);
+       BUILD_BUG_ON(sizeof(struct cmd_type_7) != 64);
+       BUILD_BUG_ON(sizeof(struct cmd_type_7_fx00) != 64);
+       BUILD_BUG_ON(sizeof(struct cmd_type_crc_2) != 64);
+       BUILD_BUG_ON(sizeof(struct ct_entry_24xx) != 64);
+       BUILD_BUG_ON(sizeof(struct ctio_crc2_to_fw) != 64);
+       BUILD_BUG_ON(sizeof(struct els_entry_24xx) != 64);
+       BUILD_BUG_ON(sizeof(struct fxdisc_entry_fx00) != 64);
+       BUILD_BUG_ON(sizeof(struct init_cb_24xx) != 128);
+       BUILD_BUG_ON(sizeof(struct init_cb_81xx) != 128);
+       BUILD_BUG_ON(sizeof(struct pt_ls4_request) != 64);
+       BUILD_BUG_ON(sizeof(struct sns_cmd_pkt) != 2064);
+       BUILD_BUG_ON(sizeof(struct verify_chip_entry_84xx) != 64);
+       BUILD_BUG_ON(sizeof(struct vf_evfp_entry_24xx) != 56);
+
        /* Allocate cache for SRBs. */
        srb_cachep = kmem_cache_create("qla2xxx_srbs", sizeof(srb_t), 0,
            SLAB_HWCACHE_ALIGN, NULL);

diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c
index dfacc42..420c6cd 100644 (file)
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -7372,6 +7372,9 @@ int __init qlt_init(void)
 {
        int ret;
 
+       BUILD_BUG_ON(sizeof(struct ctio7_to_24xx) != 64);
+       BUILD_BUG_ON(sizeof(struct ctio_to_2xxx) != 64);
+
        if (!qlt_parse_ini_mode()) {
                ql_log(ql_log_fatal, NULL, 0xe06b,
                    "qlt_parse_ini_mode() failed\n");