diff options
| author | Marco Peereboom <marco@cvs.openbsd.org> | 2006-04-16 17:10:09 +0000 |
|---|---|---|
| committer | Marco Peereboom <marco@cvs.openbsd.org> | 2006-04-16 17:10:09 +0000 |
| commit | 9d99ff8efc329d2c3bfff00ab6d3855241ed92e2 (patch) | |
| tree | 3fb9202718b23495bb49a304e7a6a7b96835659f /sys/dev/ic/mfi.c | |
| parent | 5ea3318abe1034f89430f381779ab4746376bae7 (diff) | |
Add get and put ccb functions. Shuffle some more definitions.
Diffstat (limited to 'sys/dev/ic/mfi.c')
| -rw-r--r-- | sys/dev/ic/mfi.c | 37 |
1 files changed, 36 insertions, 1 deletions
diff --git a/sys/dev/ic/mfi.c b/sys/dev/ic/mfi.c index f484d658bde..c3ab1481a59 100644 --- a/sys/dev/ic/mfi.c +++ b/sys/dev/ic/mfi.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mfi.c,v 1.10 2006/04/16 16:53:55 marco Exp $ */ +/* $OpenBSD: mfi.c,v 1.11 2006/04/16 17:10:08 marco Exp $ */ /* * Copyright (c) 2006 Marco Peereboom <marco@peereboom.us> * @@ -67,12 +67,47 @@ struct scsi_device mfi_dev = { NULL, NULL, NULL, NULL }; +struct mfi_ccb *mfi_get_ccb(struct mfi_softc *); +void mfi_put_ccb(struct mfi_ccb *); + u_int32_t mfi_read(struct mfi_softc *, bus_size_t); void mfi_write(struct mfi_softc *, bus_size_t, u_int32_t); struct mfi_mem *mfi_allocmem(struct mfi_softc *, size_t); void mfi_freemem(struct mfi_softc *, struct mfi_mem *); int mfi_transition_firmware(struct mfi_softc *); +struct mfi_ccb * +mfi_get_ccb(struct mfi_softc *sc) +{ + struct mfi_ccb *ccb; + int s; + + s = splbio(); + ccb = TAILQ_LAST(&sc->sc_ccb_freeq, mfi_queue_head); + if (ccb) { + TAILQ_REMOVE(&sc->sc_ccb_freeq, ccb, ccb_link); + ccb->ccb_state = MFI_CCB_READY; + } + splx(s); + + return (ccb); +} + +void +mfi_put_ccb(struct mfi_ccb *ccb) +{ + struct mfi_softc *sc = ccb->ccb_sc; + int s; + + s = splbio(); + ccb->ccb_state = MFI_CCB_FREE; + ccb->ccb_xs = NULL; + ccb->ccb_flags = 0; + ccb->ccb_done = NULL; + TAILQ_INSERT_TAIL(&sc->sc_ccb_freeq, ccb, ccb_link); + splx(s); +} + u_int32_t mfi_read(struct mfi_softc *sc, bus_size_t r) { |