diff options
Diffstat (limited to 'usr/src/uts/sun4/io/px/px_pci.c')
| -rw-r--r-- | usr/src/uts/sun4/io/px/px_pci.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/usr/src/uts/sun4/io/px/px_pci.c b/usr/src/uts/sun4/io/px/px_pci.c index c3f6ac5e0b..02be175437 100644 --- a/usr/src/uts/sun4/io/px/px_pci.c +++ b/usr/src/uts/sun4/io/px/px_pci.c @@ -50,6 +50,13 @@ #include "px_pci.h" #include "px_debug.h" +/* + * PXB MSI tunable: + * + * By default MSI is enabled on all supported platforms. + */ +boolean_t pxb_enable_msi = B_TRUE; + static int pxb_bus_map(dev_info_t *, dev_info_t *, ddi_map_req_t *, off_t, off_t, caddr_t *); static int pxb_ctlops(dev_info_t *, dev_info_t *, ddi_ctl_enum_t, @@ -370,10 +377,7 @@ pxb_attach(dev_info_t *devi, ddi_attach_cmd_t cmd) goto fail; } - /* Do not support FIXED interrupts at this time, only MSI */ - intr_types &= ~DDI_INTR_TYPE_FIXED; - - if (intr_types & DDI_INTR_TYPE_MSI) { + if ((intr_types & DDI_INTR_TYPE_MSI) && pxb_enable_msi) { if (pxb_intr_init(pxb, DDI_INTR_TYPE_MSI) == DDI_SUCCESS) intr_types = DDI_INTR_TYPE_MSI; else @@ -935,7 +939,7 @@ pxb_intr_init(pxb_devstate_t *pxb, int intr_type) { pxb->pxb_init_flags |= PXB_INIT_HTABLE; ret = ddi_intr_alloc(dip, pxb->pxb_htable, intr_type, - 0, request, &count, 0); + 0, request, &count, DDI_INTR_ALLOC_NORMAL); if ((ret != DDI_SUCCESS) || (count == 0)) { DBG(DBG_ATTACH, dip, "ddi_intr_alloc() ret: %d ask: %d actual: %d\n", |