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| author | Heiko Carstens <hca@linux.ibm.com> | 2024-03-07 15:28:06 +0300 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2024-03-13 11:23:46 +0300 |
| commit | 1bcf7f48b7d40547eda6bfd1ea0bfed9cf9ec54f (patch) | |
| tree | de81b064a81a98e184ec619615e87ef6c7b61c47 /arch/s390/include/asm/scsw.h | |
| parent | 8b19e145e82f1bf1419541de7ad823f5cb7a4ec3 (diff) | |
| download | linux-1bcf7f48b7d40547eda6bfd1ea0bfed9cf9ec54f.tar.xz | |
s390/cio: use bitwise types to allow for type checking
Change types of I/O structure members which contain physical addresses to
dma32_t and dma64_t bitwise types.
This allows to make use of sparse (aka "make C=1") to find incorrect usage
of physical addresses.
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/include/asm/scsw.h')
| -rw-r--r-- | arch/s390/include/asm/scsw.h | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/arch/s390/include/asm/scsw.h b/arch/s390/include/asm/scsw.h index 322bdcd4b616..56003e26cdbf 100644 --- a/arch/s390/include/asm/scsw.h +++ b/arch/s390/include/asm/scsw.h @@ -11,6 +11,7 @@ #include <linux/types.h> #include <asm/css_chars.h> +#include <asm/dma-types.h> #include <asm/cio.h> /** @@ -53,7 +54,7 @@ struct cmd_scsw { __u32 fctl : 3; __u32 actl : 7; __u32 stctl : 5; - __u32 cpa; + dma32_t cpa; __u32 dstat : 8; __u32 cstat : 8; __u32 count : 16; @@ -93,7 +94,7 @@ struct tm_scsw { u32 fctl:3; u32 actl:7; u32 stctl:5; - u32 tcw; + dma32_t tcw; u32 dstat:8; u32 cstat:8; u32 fcxs:8; @@ -125,7 +126,7 @@ struct eadm_scsw { u32 fctl:3; u32 actl:7; u32 stctl:5; - u32 aob; + dma32_t aob; u32 dstat:8; u32 cstat:8; u32:16; |