diff options
| author | Heiko Carstens | 2024-03-07 13:28:06 +0100 |
|---|---|---|
| committer | Heiko Carstens | 2024-03-13 09:23:46 +0100 |
| commit | 1bcf7f48b7d40547eda6bfd1ea0bfed9cf9ec54f (patch) | |
| tree | de81b064a81a98e184ec619615e87ef6c7b61c47 /drivers/s390 | |
| parent | 8b19e145e82f1bf1419541de7ad823f5cb7a4ec3 (diff) | |
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 'drivers/s390')
| -rw-r--r-- | drivers/s390/cio/chsc.h | 4 | ||||
| -rw-r--r-- | drivers/s390/cio/orb.h | 9 |
2 files changed, 8 insertions, 5 deletions
diff --git a/drivers/s390/cio/chsc.h b/drivers/s390/cio/chsc.h index d1caacb08e67..5d51c3f41f20 100644 --- a/drivers/s390/cio/chsc.h +++ b/drivers/s390/cio/chsc.h @@ -91,8 +91,8 @@ struct chsc_scssc_area { u16:16; u32:32; u32:32; - u64 summary_indicator_addr; - u64 subchannel_indicator_addr; + dma64_t summary_indicator_addr; + dma64_t subchannel_indicator_addr; u32 ks:4; u32 kc:4; u32:21; diff --git a/drivers/s390/cio/orb.h b/drivers/s390/cio/orb.h index a2d3778b2c95..14d2a1822b50 100644 --- a/drivers/s390/cio/orb.h +++ b/drivers/s390/cio/orb.h @@ -12,6 +12,9 @@ #ifndef S390_ORB_H #define S390_ORB_H +#include <linux/types.h> +#include <asm/dma-types.h> + /* * Command-mode operation request block */ @@ -34,7 +37,7 @@ struct cmd_orb { u32 ils:1; /* incorrect length */ u32 zero:6; /* reserved zeros */ u32 orbx:1; /* ORB extension control */ - u32 cpa; /* channel program address */ + dma32_t cpa; /* channel program address */ } __packed __aligned(4); /* @@ -49,7 +52,7 @@ struct tm_orb { u32 lpm:8; u32:7; u32 x:1; - u32 tcw; + dma32_t tcw; u32 prio:8; u32:8; u32 rsvpgm:8; @@ -71,7 +74,7 @@ struct eadm_orb { u32 compat2:1; u32:21; u32 x:1; - u32 aob; + dma32_t aob; u32 css_prio:8; u32:8; u32 scm_prio:8; |