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Tell CAM that SPI disconnect works, which in turn will let it use tags.

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This fixes the low "max device openings" count that has lead to poor
performance in FreeBSD 7.0 and 7.1.

Extra thanks goes to Mike Tancsa at Sentex for providing a debug system for
this.
This commit is contained in:
Scott Long 2009-02-20 07:40:54 +00:00
parent 934dec8c2f
commit 9d98ff4d69
1 changed files with 2 additions and 1 deletions
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3
sys/dev/arcmsr/arcmsr.c
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@ -2150,7 +2150,8 @@ static void arcmsr_action(struct cam_sim * psim, union ccb * pccb)
spi->sync_offset=32; spi->sync_offset=32;
spi->bus_width=MSG_EXT_WDTR_BUS_16_BIT; spi->bus_width=MSG_EXT_WDTR_BUS_16_BIT;
scsi->flags = CTS_SCSI_FLAGS_TAG_ENB; scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
spi->valid = CTS_SPI_VALID_SYNC_RATE spi->valid = CTS_SPI_VALID_DISC
| CTS_SPI_VALID_SYNC_RATE
| CTS_SPI_VALID_SYNC_OFFSET | CTS_SPI_VALID_SYNC_OFFSET
| CTS_SPI_VALID_BUS_WIDTH; | CTS_SPI_VALID_BUS_WIDTH;
scsi->valid = CTS_SCSI_VALID_TQ; scsi->valid = CTS_SCSI_VALID_TQ;