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author | mjacob <mjacob@FreeBSD.org> | 2003-03-25 07:02:45 +0000 |
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committer | mjacob <mjacob@FreeBSD.org> | 2003-03-25 07:02:45 +0000 |
commit | e0acfd53c9660c7f11e697f5c53f7e73de01e078 (patch) | |
tree | e16b7658cda9493c561c0057202084d81449dcb2 /sys/dev | |
parent | 7cb68ba07423313b147ba372535629d2e5819c62 (diff) | |
download | FreeBSD-src-e0acfd53c9660c7f11e697f5c53f7e73de01e078.zip FreeBSD-src-e0acfd53c9660c7f11e697f5c53f7e73de01e078.tar.gz |
Add an explanatory comment about what operational modes in xfwopt are.
Diffstat (limited to 'sys/dev')
-rw-r--r-- | sys/dev/isp/ispmbox.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/sys/dev/isp/ispmbox.h b/sys/dev/isp/ispmbox.h index 678c989..ac8d89e 100644 --- a/sys/dev/isp/ispmbox.h +++ b/sys/dev/isp/ispmbox.h @@ -649,12 +649,16 @@ typedef struct isp_icb { #define ICBXOPT_LOOP_2_PTP (2 << 4) #define ICBXOPT_PTP_2_LOOP (3 << 4) +/* + * The lower 4 bits of the xfwoptions field are the OPERATION MODE bits. + * RIO is not defined for the 23XX cards + */ #define ICBXOPT_RIO_OFF 0 #define ICBXOPT_RIO_16BIT 1 #define ICBXOPT_RIO_32BIT 2 #define ICBXOPT_RIO_16BIT_IOCB 3 #define ICBXOPT_RIO_32BIT_IOCB 4 -#define ICBXOPT_ZIO 5 +#define ICBXOPT_ZIO 5 #define ICBZOPT_ENA_RDXFR_RDY 0x01 #define ICBZOPT_ENA_OOF (1 << 6) /* out of order frame handling */ |