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Code Issues Releases Activity

Redo dma tag creation to correctly reflect the boundary and segment

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limitations inherent to the isp1000 on SBus cards.
This commit is contained in:
Matt Jacob 2002-09-23 05:03:34 +00:00
parent 435a93378f
commit f777264584
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=103823
1 changed files with 7 additions and 8 deletions
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15
sys/dev/isp/isp_sbus.c
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@ -477,7 +477,6 @@ isp_sbus_mbxdma(struct ispsoftc *isp)
caddr_t base; caddr_t base;
u_int32_t len; u_int32_t len;
int i, error, ns; int i, error, ns;
bus_size_t bl;
struct imush im; struct imush im;
/* /*
@ -488,17 +487,16 @@ isp_sbus_mbxdma(struct ispsoftc *isp)
} }
ISP_UNLOCK(isp); ISP_UNLOCK(isp);
bl = BUS_SPACE_MAXADDR_24BIT;
if (bus_dma_tag_create(NULL, 1, 0, BUS_SPACE_MAXADDR, if (bus_dma_tag_create(NULL, 1, BUS_SPACE_MAXADDR_24BIT-1,
BUS_SPACE_MAXADDR, NULL, NULL, BUS_SPACE_MAXSIZE, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR_32BIT,
ISP_NSEGS, bl, 0, &sbs->dmat)) { NULL, NULL, BUS_SPACE_MAXSIZE_32BIT, ISP_NSEGS,
BUS_SPACE_MAXADDR_24BIT, 0, &sbs->dmat)) {
isp_prt(isp, ISP_LOGERR, "could not create master dma tag"); isp_prt(isp, ISP_LOGERR, "could not create master dma tag");
ISP_LOCK(isp); ISP_LOCK(isp);
return(1); return(1);
} }
len = sizeof (XS_T **) * isp->isp_maxcmds; len = sizeof (XS_T **) * isp->isp_maxcmds;
isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO); isp->isp_xflist = (XS_T **) malloc(len, M_DEVBUF, M_WAITOK | M_ZERO);
if (isp->isp_xflist == NULL) { if (isp->isp_xflist == NULL) {
@ -522,8 +520,9 @@ isp_sbus_mbxdma(struct ispsoftc *isp)
len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp)); len += ISP_QUEUE_SIZE(RESULT_QUEUE_LEN(isp));
ns = (len / PAGE_SIZE) + 1; ns = (len / PAGE_SIZE) + 1;
if (bus_dma_tag_create(sbs->dmat, QENTRY_LEN, 0, BUS_SPACE_MAXADDR, if (bus_dma_tag_create(sbs->dmat, QENTRY_LEN, BUS_SPACE_MAXADDR_24BIT-1,
BUS_SPACE_MAXADDR, NULL, NULL, len, ns, bl, 0, &isp->isp_cdmat)) { BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR_32BIT, NULL, NULL,
len, ns, BUS_SPACE_MAXADDR_24BIT, 0, &isp->isp_cdmat)) {
isp_prt(isp, ISP_LOGERR, isp_prt(isp, ISP_LOGERR,
"cannot create a dma tag for control spaces"); "cannot create a dma tag for control spaces");
free(sbs->dmaps, M_DEVBUF); free(sbs->dmaps, M_DEVBUF);