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Code Issues Releases Activity

Don't allow for more than one segment for the control space since

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we're not set up to deal with that.

MFC after:	1 week
This commit is contained in:
Matt Jacob 2012-11-02 14:37:21 +00:00
parent 140dedb81c
commit 8e1b6e7aec
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=242479
1 changed files with 2 additions and 3 deletions
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5
sys/dev/isp/isp_pci.c
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@ -1524,7 +1524,7 @@ isp_pci_mbxdma(ispsoftc_t *isp)
{
caddr_t base;
uint32_t len, nsegs;
int i, error, ns, cmap = 0;
int i, error, cmap = 0;
bus_size_t slim; /* segment size */
bus_addr_t llim; /* low limit of unavailable dma */
bus_addr_t hlim; /* high limit of unavailable dma */
@ -1633,13 +1633,12 @@ isp_pci_mbxdma(ispsoftc_t *isp)
if (isp->isp_type >= ISP_HA_FC_2300) {
len += (N_XCMDS * XCMD_SIZE);
}
ns = (len / PAGE_SIZE) + 1;
/*
* Create a tag for the control spaces. We don't always need this
* to be 32 bits, but we do this for simplicity and speed's sake.
*/
if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, slim, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, len, ns, slim, 0, &isp->isp_osinfo.cdmat)) {
if (isp_dma_tag_create(isp->isp_osinfo.dmat, QENTRY_LEN, slim, BUS_SPACE_MAXADDR_32BIT, BUS_SPACE_MAXADDR, NULL, NULL, len, 1, slim, 0, &isp->isp_osinfo.cdmat)) {
isp_prt(isp, ISP_LOGERR, "cannot create a dma tag for control spaces");
free(isp->isp_osinfo.pcmd_pool, M_DEVBUF);
free(isp->isp_xflist, M_DEVBUF);