diff options
Diffstat (limited to 'sys/dev/mpt/mpt_cam.c')
| -rw-r--r-- | sys/dev/mpt/mpt_cam.c | 53 |
1 files changed, 31 insertions, 22 deletions
diff --git a/sys/dev/mpt/mpt_cam.c b/sys/dev/mpt/mpt_cam.c index b5ad94f..d312b67 100644 --- a/sys/dev/mpt/mpt_cam.c +++ b/sys/dev/mpt/mpt_cam.c @@ -1279,8 +1279,9 @@ mpt_execute_req_a64(void *arg, bus_dma_segment_t *dm_segs, int nseg, int error) char *mpt_off; union ccb *ccb; struct mpt_softc *mpt; - int seg, first_lim; - uint32_t flags, nxt_off; + bus_addr_t chain_list_addr; + int first_lim, seg, this_seg_lim; + uint32_t addr, cur_off, flags, nxt_off, tf; void *sglp = NULL; MSG_REQUEST_HEADER *hdrp; SGE_SIMPLE64 *se; @@ -1434,16 +1435,20 @@ bad: se = (SGE_SIMPLE64 *) sglp; for (seg = 0; seg < first_lim; seg++, se++, dm_segs++) { - uint32_t tf; - + tf = flags; memset(se, 0, sizeof (*se)); + MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); se->Address.Low = htole32(dm_segs->ds_addr & 0xffffffff); if (sizeof(bus_addr_t) > 4) { - se->Address.High = - htole32(((uint64_t)dm_segs->ds_addr) >> 32); + addr = ((uint64_t)dm_segs->ds_addr) >> 32; + /* SAS1078 36GB limitation WAR */ + if (mpt->is_1078 && (((uint64_t)dm_segs->ds_addr + + MPI_SGE_LENGTH(se->FlagsLength)) >> 32) == 9) { + addr |= (1 << 31); + tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; + } + se->Address.High = htole32(addr); } - MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); - tf = flags; if (seg == first_lim - 1) { tf |= MPI_SGE_FLAGS_LAST_ELEMENT; } @@ -1468,15 +1473,11 @@ bad: /* * Make up the rest of the data segments out of a chain element - * (contiained in the current request frame) which points to + * (contained in the current request frame) which points to * SIMPLE64 elements in the next request frame, possibly ending * with *another* chain element (if there's more). */ while (seg < nseg) { - int this_seg_lim; - uint32_t tf, cur_off; - bus_addr_t chain_list_addr; - /* * Point to the chain descriptor. Note that the chain * descriptor is at the end of the *previous* list (whether @@ -1504,7 +1505,7 @@ bad: nxt_off += MPT_RQSL(mpt); /* - * Now initialized the chain descriptor. + * Now initialize the chain descriptor. */ memset(ce, 0, sizeof (*ce)); @@ -1554,16 +1555,24 @@ bad: * set the end of list and end of buffer flags. */ while (seg < this_seg_lim) { + tf = flags; memset(se, 0, sizeof (*se)); + MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); se->Address.Low = htole32(dm_segs->ds_addr & 0xffffffff); if (sizeof (bus_addr_t) > 4) { - se->Address.High = - htole32(((uint64_t)dm_segs->ds_addr) >> 32); + addr = ((uint64_t)dm_segs->ds_addr) >> 32; + /* SAS1078 36GB limitation WAR */ + if (mpt->is_1078 && + (((uint64_t)dm_segs->ds_addr + + MPI_SGE_LENGTH(se->FlagsLength)) >> + 32) == 9) { + addr |= (1 << 31); + tf |= MPI_SGE_FLAGS_LOCAL_ADDRESS; + } + se->Address.High = htole32(addr); } - MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); - tf = flags; - if (seg == this_seg_lim - 1) { + if (seg == this_seg_lim - 1) { tf |= MPI_SGE_FLAGS_LAST_ELEMENT; } if (seg == nseg - 1) { @@ -1868,7 +1877,7 @@ bad: /* * Make up the rest of the data segments out of a chain element - * (contiained in the current request frame) which points to + * (contained in the current request frame) which points to * SIMPLE32 elements in the next request frame, possibly ending * with *another* chain element (if there's more). */ @@ -1904,7 +1913,7 @@ bad: nxt_off += MPT_RQSL(mpt); /* - * Now initialized the chain descriptor. + * Now initialize the chain descriptor. */ memset(ce, 0, sizeof (*ce)); @@ -1958,7 +1967,7 @@ bad: MPI_pSGE_SET_LENGTH(se, dm_segs->ds_len); tf = flags; - if (seg == this_seg_lim - 1) { + if (seg == this_seg_lim - 1) { tf |= MPI_SGE_FLAGS_LAST_ELEMENT; } if (seg == nseg - 1) { |
