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| author | marius <marius@FreeBSD.org> | 2011-02-14 21:50:51 +0000 |
|---|---|---|
| committer | marius <marius@FreeBSD.org> | 2011-02-14 21:50:51 +0000 |
| commit | 38e77638a44f19dcca8baf8a19e30750c6c7be94 (patch) | |
| tree | e9d7d89e8be16e2991384a4512a90155d7ceeef0 /sys/dev/isp/isp_freebsd.h | |
| parent | e5e190244192755e197dbd88660bc40f2f01fc66 (diff) | |
| download | FreeBSD-src-38e77638a44f19dcca8baf8a19e30750c6c7be94.zip FreeBSD-src-38e77638a44f19dcca8baf8a19e30750c6c7be94.tar.gz | |
- Use the correct DMA tag/map pair for synchronize the FC scratch area.
- Allocate coherent DMA memory for the request/response queue area and
and the FC scratch area.
These changes allow isp(4) to work properly on sparc64 with usage of the
IOMMU streaming buffers enabled.
Approved by: mjacob
MFC after: 2 weeks
Diffstat (limited to 'sys/dev/isp/isp_freebsd.h')
| -rw-r--r-- | sys/dev/isp/isp_freebsd.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/sys/dev/isp/isp_freebsd.h b/sys/dev/isp/isp_freebsd.h index 44c8bdf..5d21535 100644 --- a/sys/dev/isp/isp_freebsd.h +++ b/sys/dev/isp/isp_freebsd.h @@ -338,15 +338,27 @@ struct isposinfo { #define MAXISPREQUEST(isp) ((IS_FC(isp) || IS_ULTRA2(isp))? 1024 : 256) -#define MEMORYBARRIER(isp, type, offset, size) \ +#define MEMORYBARRIER(isp, type, offset, size, chan) \ switch (type) { \ case SYNC_SFORDEV: \ +{ \ + struct isp_fc *fc = ISP_FC_PC(isp, chan); \ + bus_dmamap_sync(fc->tdmat, fc->tdmap, \ + BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); \ + break; \ +} \ case SYNC_REQUEST: \ bus_dmamap_sync(isp->isp_osinfo.cdmat, \ isp->isp_osinfo.cdmap, \ BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE); \ break; \ case SYNC_SFORCPU: \ +{ \ + struct isp_fc *fc = ISP_FC_PC(isp, chan); \ + bus_dmamap_sync(fc->tdmat, fc->tdmap, \ + BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE); \ + break; \ +} \ case SYNC_RESULT: \ bus_dmamap_sync(isp->isp_osinfo.cdmat, \ isp->isp_osinfo.cdmap, \ |
