diff options
| author | Constantine Sapuntzakis <csapuntz@cvs.openbsd.org> | 1999-12-11 10:15:04 +0000 |
|---|---|---|
| committer | Constantine Sapuntzakis <csapuntz@cvs.openbsd.org> | 1999-12-11 10:15:04 +0000 |
| commit | cd988a82bb394117dcbba6cdf3dca12f3a5794e9 (patch) | |
| tree | c07adeb8c05e0192729cc1c042b08af9e4b62f64 /sys/dev/ic | |
| parent | 14e60a3375593a9e2c2d617dd07085701f83eb35 (diff) | |
ATAPI Tape drive support. Should be considered experimental.
Major restructuring of the code path that sends ATAPI packet commands.
One set of functions works in polling, process, and interrupt contexts.
Diffstat (limited to 'sys/dev/ic')
| -rw-r--r-- | sys/dev/ic/wdcvar.h | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/sys/dev/ic/wdcvar.h b/sys/dev/ic/wdcvar.h index cfe869793ea..c0b18b6574b 100644 --- a/sys/dev/ic/wdcvar.h +++ b/sys/dev/ic/wdcvar.h @@ -1,4 +1,4 @@ -/* $OpenBSD: wdcvar.h,v 1.5 1999/11/17 01:22:56 csapuntz Exp $ */ +/* $OpenBSD: wdcvar.h,v 1.6 1999/12/11 10:15:03 csapuntz Exp $ */ /* $NetBSD: wdcvar.h,v 1.17 1999/04/11 20:50:29 bouyer Exp $ */ /*- @@ -188,6 +188,8 @@ struct wdc_xfer { #define C_POLL 0x0020 /* cmd is polled */ #define C_DMA 0x0040 /* cmd uses DMA */ #define C_SENSE 0x0080 /* cmd is a internal command */ +#define C_MEDIA_ACCESS 0x0100 /* is a media access command */ +#define C_POLL_MACHINE 0x0200 /* machine has a poll hander */ /* Informations about our location */ struct channel_softc *chp; @@ -202,6 +204,19 @@ struct wdc_xfer { LIST_ENTRY(wdc_xfer) free_list; void (*c_start) __P((struct channel_softc *, struct wdc_xfer *)); int (*c_intr) __P((struct channel_softc *, struct wdc_xfer *, int)); + int (*c_done) __P((struct channel_softc *, struct wdc_xfer *, int)); + + /* Used by ATAPISCSI */ + int timeout; + u_int64_t endtime; + int delay; + unsigned int expect_irq:1; + unsigned int claim_irq:1; + + int (*next) __P((struct channel_softc *, struct wdc_xfer *, int)); + + /* Used for tape devices */ + int transfer_len; }; /* |