diff options
| author | gibbs <gibbs@FreeBSD.org> | 1998-12-13 00:05:04 +0000 |
|---|---|---|
| committer | gibbs <gibbs@FreeBSD.org> | 1998-12-13 00:05:04 +0000 |
| commit | 9bdc2c6395f2a14cb3f64472024d64f663780251 (patch) | |
| tree | 4be2cb9ea68b0689a4cd4acef50d6a21dbc01033 /sys/dev/aha | |
| parent | 2b1b55401189f2d9aa79d72c43df5dbc776ae56b (diff) | |
| download | FreeBSD-src-9bdc2c6395f2a14cb3f64472024d64f663780251.zip FreeBSD-src-9bdc2c6395f2a14cb3f64472024d64f663780251.tar.gz | |
Pull in fixes similar to those recently committed to the bt driver:
- For transactions of 0 length, us a non-residual checking CCB type.
- Preserve command status if our interrupt handler completes a command
while we are polling for completion in aha_cmd.
Diffstat (limited to 'sys/dev/aha')
| -rw-r--r-- | sys/dev/aha/aha.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/sys/dev/aha/aha.c b/sys/dev/aha/aha.c index 0fe69c0..82845c2 100644 --- a/sys/dev/aha/aha.c +++ b/sys/dev/aha/aha.c @@ -55,7 +55,7 @@ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * - * $Id: aha.c,v 1.13 1998/11/25 19:12:56 imp Exp $ + * $Id: aha.c,v 1.14 1998/12/04 22:54:44 archie Exp $ */ #include <sys/param.h> @@ -1181,7 +1181,7 @@ ahaexecuteccb(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) bus_dmamap_sync(aha->buffer_dmat, accb->dmamap, op); } else { - accb->hccb.opcode = INITIATOR_CCB_WRESID; + accb->hccb.opcode = INITIATOR_CCB; ahautoa24(0, accb->hccb.data_len); ahautoa24(0, accb->hccb.data_addr); } @@ -1547,11 +1547,13 @@ aha_cmd(struct aha_softc *aha, aha_op_t opcode, u_int8_t *params, u_int intstat; u_int reply_buf_size; int s; + int cmd_complete; /* No data returned to start */ reply_buf_size = reply_len; reply_len = 0; intstat = 0; + cmd_complete = 0; aha->command_cmp = 0; /* @@ -1587,10 +1589,13 @@ aha_cmd(struct aha_softc *aha, aha_op_t opcode, u_int8_t *params, status = aha_inb(aha, STATUS_REG); intstat = aha_inb(aha, INTSTAT_REG); if ((intstat & (INTR_PENDING|CMD_COMPLETE)) - == (INTR_PENDING|CMD_COMPLETE)) + == (INTR_PENDING|CMD_COMPLETE)) { + cmd_complete = 1; break; + } if (aha->command_cmp != 0) { status = aha->latched_status; + cmd_complete = 1; break; } if ((status & DATAIN_REG_READY) != 0) @@ -1610,7 +1615,7 @@ aha_cmd(struct aha_softc *aha, aha_op_t opcode, u_int8_t *params, * For all other commands, we wait for any output data * and the final comand completion interrupt. */ - while (--cmd_timeout) { + while (cmd_complete == 0 && --cmd_timeout) { status = aha_inb(aha, STATUS_REG); intstat = aha_inb(aha, INTSTAT_REG); |
