/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "px_lib4v.h" #include "px_err.h" #include #include /* mask for the ranges property in calculating the real PFN range */ uint_t px_ranges_phi_mask = ((1 << 28) -1); /* * Hypervisor VPCI services information for the px nexus driver. */ static uint64_t px_vpci_maj_ver; /* Negotiated VPCI API major version */ static uint64_t px_vpci_min_ver; /* Negotiated VPCI API minor version */ static uint_t px_vpci_users = 0; /* VPCI API users */ static hsvc_info_t px_hsvc_vpci = { HSVC_REV_1, NULL, HSVC_GROUP_VPCI, PX_VPCI_MAJOR_VER, PX_VPCI_MINOR_VER, "PX" }; /* * Hypervisor SDIO services information for the px nexus driver. */ static uint64_t px_sdio_min_ver; /* Negotiated SDIO API minor version */ static uint_t px_sdio_users = 0; /* SDIO API users */ static hsvc_info_t px_hsvc_sdio = { HSVC_REV_1, NULL, HSVC_GROUP_SDIO, PX_SDIO_MAJOR_VER, PX_SDIO_MINOR_VER, "PX" }; /* * Hypervisor SDIO ERR services information for the px nexus driver. */ static uint64_t px_sdio_err_min_ver; /* Negotiated SDIO ERR API */ /* minor version */ static uint_t px_sdio_err_users = 0; /* SDIO ERR API users */ static hsvc_info_t px_hsvc_sdio_err = { HSVC_REV_1, NULL, HSVC_GROUP_SDIO_ERR, PX_SDIO_ERR_MAJOR_VER, PX_SDIO_ERR_MINOR_VER, "PX" }; #define CHILD_LOANED "child_loaned" static int px_lib_count_waiting_dev(dev_info_t *); int px_lib_dev_init(dev_info_t *dip, devhandle_t *dev_hdl) { px_nexus_regspec_t *rp; uint_t reglen; int ret; px_t *px_p = DIP_TO_STATE(dip); uint64_t mjrnum; uint64_t mnrnum; DBG(DBG_ATTACH, dip, "px_lib_dev_init: dip 0x%p\n", dip); /* * Check HV intr group api versioning. * This driver uses the old interrupt routines which are supported * in old firmware in the CORE API group and in newer firmware in * the INTR API group. Support for these calls will be dropped * once the INTR API group major goes to 2. */ if ((hsvc_version(HSVC_GROUP_INTR, &mjrnum, &mnrnum) == 0) && (mjrnum > 1)) { cmn_err(CE_WARN, "px: unsupported intr api group: " "maj:0x%lx, min:0x%lx", mjrnum, mnrnum); return (ENOTSUP); } ret = ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "reg", (uchar_t **)&rp, ®len); if (ret != DDI_PROP_SUCCESS) { DBG(DBG_ATTACH, dip, "px_lib_dev_init failed ret=%d\n", ret); return (DDI_FAILURE); } /* * Initilize device handle. The device handle uniquely identifies * a SUN4V device. It consists of the lower 28-bits of the hi-cell * of the first entry of the SUN4V device's "reg" property as * defined by the SUN4V Bus Binding to Open Firmware. */ *dev_hdl = (devhandle_t)((rp->phys_addr >> 32) & DEVHDLE_MASK); ddi_prop_free(rp); /* * hotplug implementation requires this property to be associated with * any indirect PCI config access services */ (void) ddi_prop_update_int(makedevice(ddi_driver_major(dip), PCI_MINOR_NUM(ddi_get_instance(dip), PCI_DEVCTL_MINOR)), dip, PCI_BUS_CONF_MAP_PROP, 1); DBG(DBG_ATTACH, dip, "px_lib_dev_init: dev_hdl 0x%llx\n", *dev_hdl); /* * If a /pci node has a pci-intx-not-supported property, this property * represents that the fabric doesn't support fixed interrupt. */ if (!ddi_prop_exists(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "pci-intx-not-supported")) { DBG(DBG_ATTACH, dip, "px_lib_dev_init: " "pci-intx-not-supported is not found, dip=0x%p\n", dip); px_p->px_supp_intr_types |= DDI_INTR_TYPE_FIXED; } /* * Negotiate the API version for VPCI hypervisor services. */ if (px_vpci_users == 0) { if ((ret = hsvc_register(&px_hsvc_vpci, &px_vpci_min_ver)) == 0) { px_vpci_maj_ver = px_hsvc_vpci.hsvc_major; goto hv_negotiation_complete; } /* * Negotiation with the latest known VPCI hypervisor services * failed. Fallback to version 1.0. */ px_hsvc_vpci.hsvc_major = PX_HSVC_MAJOR_VER_1; px_hsvc_vpci.hsvc_minor = PX_HSVC_MINOR_VER_0; if ((ret = hsvc_register(&px_hsvc_vpci, &px_vpci_min_ver)) == 0) { px_vpci_maj_ver = px_hsvc_vpci.hsvc_major; goto hv_negotiation_complete; } cmn_err(CE_WARN, "%s: cannot negotiate hypervisor services " "group: 0x%lx major: 0x%lx minor: 0x%lx errno: %d\n", px_hsvc_vpci.hsvc_modname, px_hsvc_vpci.hsvc_group, px_hsvc_vpci.hsvc_major, px_hsvc_vpci.hsvc_minor, ret); return (DDI_FAILURE); } hv_negotiation_complete: px_vpci_users++; DBG(DBG_ATTACH, dip, "px_lib_dev_init: negotiated VPCI API version, " "major 0x%lx minor 0x%lx\n", px_vpci_maj_ver, px_vpci_min_ver); /* * Negotiate the API version for SDIO hypervisor services. */ if ((px_sdio_users == 0) && ((ret = hsvc_register(&px_hsvc_sdio, &px_sdio_min_ver)) != 0)) { DBG(DBG_ATTACH, dip, "%s: cannot negotiate hypervisor " "services group: 0x%lx major: 0x%lx minor: 0x%lx " "errno: %d\n", px_hsvc_sdio.hsvc_modname, px_hsvc_sdio.hsvc_group, px_hsvc_sdio.hsvc_major, px_hsvc_sdio.hsvc_minor, ret); } else { px_sdio_users++; DBG(DBG_ATTACH, dip, "px_lib_dev_init: negotiated SDIO API" "version, major 0x%lx minor 0x%lx\n", px_hsvc_sdio.hsvc_major, px_sdio_min_ver); } /* * Negotiate the API version for SDIO ERR hypervisor services. */ if ((px_sdio_err_users == 0) && ((ret = hsvc_register(&px_hsvc_sdio_err, &px_sdio_err_min_ver)) != 0)) { DBG(DBG_ATTACH, dip, "%s: cannot negotiate SDIO ERR hypervisor " "services group: 0x%lx major: 0x%lx minor: 0x%lx " "errno: %d\n", px_hsvc_sdio_err.hsvc_modname, px_hsvc_sdio_err.hsvc_group, px_hsvc_sdio_err.hsvc_major, px_hsvc_sdio_err.hsvc_minor, ret); } else { px_sdio_err_users++; DBG(DBG_ATTACH, dip, "px_lib_dev_init: negotiated SDIO ERR API " "version, major 0x%lx minor 0x%lx\n", px_hsvc_sdio_err.hsvc_major, px_sdio_err_min_ver); } /* * Find out the number of dev we need to wait under this RC * before we issue fabric sync hypercall */ px_p->px_plat_p = (void *)(uintptr_t)px_lib_count_waiting_dev(dip); DBG(DBG_ATTACH, dip, "Found %d bridges need waiting under RC %p", (int)(uintptr_t)px_p->px_plat_p, dip); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_dev_fini(dev_info_t *dip) { DBG(DBG_DETACH, dip, "px_lib_dev_fini: dip 0x%p\n", dip); (void) ddi_prop_remove(makedevice(ddi_driver_major(dip), PCI_MINOR_NUM(ddi_get_instance(dip), PCI_DEVCTL_MINOR)), dip, PCI_BUS_CONF_MAP_PROP); if (--px_vpci_users == 0) (void) hsvc_unregister(&px_hsvc_vpci); if (--px_sdio_users == 0) (void) hsvc_unregister(&px_hsvc_sdio); if (--px_sdio_err_users == 0) (void) hsvc_unregister(&px_hsvc_sdio_err); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_intr_devino_to_sysino(dev_info_t *dip, devino_t devino, sysino_t *sysino) { uint64_t ret; DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: dip 0x%p " "devino 0x%x\n", dip, devino); if ((ret = hvio_intr_devino_to_sysino(DIP_TO_HANDLE(dip), devino, sysino)) != H_EOK) { DBG(DBG_LIB_INT, dip, "hvio_intr_devino_to_sysino failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_INT, dip, "px_lib_intr_devino_to_sysino: sysino 0x%llx\n", *sysino); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_intr_getvalid(dev_info_t *dip, sysino_t sysino, intr_valid_state_t *intr_valid_state) { uint64_t ret; DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: dip 0x%p sysino 0x%llx\n", dip, sysino); if ((ret = hvio_intr_getvalid(sysino, (int *)intr_valid_state)) != H_EOK) { DBG(DBG_LIB_INT, dip, "hvio_intr_getvalid failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_INT, dip, "px_lib_intr_getvalid: intr_valid_state 0x%x\n", *intr_valid_state); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_intr_setvalid(dev_info_t *dip, sysino_t sysino, intr_valid_state_t intr_valid_state) { uint64_t ret; DBG(DBG_LIB_INT, dip, "px_lib_intr_setvalid: dip 0x%p sysino 0x%llx " "intr_valid_state 0x%x\n", dip, sysino, intr_valid_state); if ((ret = hvio_intr_setvalid(sysino, intr_valid_state)) != H_EOK) { DBG(DBG_LIB_INT, dip, "hvio_intr_setvalid failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_intr_getstate(dev_info_t *dip, sysino_t sysino, intr_state_t *intr_state) { uint64_t ret; DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: dip 0x%p sysino 0x%llx\n", dip, sysino); if ((ret = hvio_intr_getstate(sysino, (int *)intr_state)) != H_EOK) { DBG(DBG_LIB_INT, dip, "hvio_intr_getstate failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_INT, dip, "px_lib_intr_getstate: intr_state 0x%x\n", *intr_state); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_intr_setstate(dev_info_t *dip, sysino_t sysino, intr_state_t intr_state) { uint64_t ret; DBG(DBG_LIB_INT, dip, "px_lib_intr_setstate: dip 0x%p sysino 0x%llx " "intr_state 0x%x\n", dip, sysino, intr_state); if ((ret = hvio_intr_setstate(sysino, intr_state)) != H_EOK) { DBG(DBG_LIB_INT, dip, "hvio_intr_setstate failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_intr_gettarget(dev_info_t *dip, sysino_t sysino, cpuid_t *cpuid) { uint64_t ret; DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: dip 0x%p sysino 0x%llx\n", dip, sysino); if ((ret = hvio_intr_gettarget(sysino, cpuid)) != H_EOK) { DBG(DBG_LIB_INT, dip, "hvio_intr_gettarget failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_INT, dip, "px_lib_intr_gettarget: cpuid 0x%x\n", *cpuid); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_intr_settarget(dev_info_t *dip, sysino_t sysino, cpuid_t cpuid) { uint64_t ret; DBG(DBG_LIB_INT, dip, "px_lib_intr_settarget: dip 0x%p sysino 0x%llx " "cpuid 0x%x\n", dip, sysino, cpuid); ret = hvio_intr_settarget(sysino, cpuid); if (ret == H_ECPUERROR) { cmn_err(CE_PANIC, "px_lib_intr_settarget: hvio_intr_settarget failed, " "ret = 0x%lx, cpuid = 0x%x, sysino = 0x%lx\n", ret, cpuid, sysino); } else if (ret != H_EOK) { DBG(DBG_LIB_INT, dip, "hvio_intr_settarget failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_intr_reset(dev_info_t *dip) { px_t *px_p = DIP_TO_STATE(dip); px_ib_t *ib_p = px_p->px_ib_p; px_ino_t *ino_p; DBG(DBG_LIB_INT, dip, "px_lib_intr_reset: dip 0x%p\n", dip); mutex_enter(&ib_p->ib_ino_lst_mutex); /* Reset all Interrupts */ for (ino_p = ib_p->ib_ino_lst; ino_p; ino_p = ino_p->ino_next_p) { if (px_lib_intr_setstate(dip, ino_p->ino_sysino, INTR_IDLE_STATE) != DDI_SUCCESS) return (BF_FATAL); } mutex_exit(&ib_p->ib_ino_lst_mutex); return (BF_NONE); } /*ARGSUSED*/ int px_lib_iommu_map(dev_info_t *dip, tsbid_t tsbid, pages_t pages, io_attributes_t attr, void *addr, size_t pfn_index, int flags) { tsbnum_t tsb_num = PCI_TSBID_TO_TSBNUM(tsbid); tsbindex_t tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid); io_page_list_t *pfns, *pfn_p; pages_t ttes_mapped = 0; int i, err = DDI_SUCCESS; DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: dip 0x%p tsbid 0x%llx " "pages 0x%x attr 0x%llx addr 0x%p pfn_index 0x%llx flags 0x%x\n", dip, tsbid, pages, attr, addr, pfn_index, flags); if ((pfns = pfn_p = kmem_zalloc((pages * sizeof (io_page_list_t)), KM_NOSLEEP)) == NULL) { DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: kmem_zalloc failed\n"); return (DDI_FAILURE); } for (i = 0; i < pages; i++) pfns[i] = MMU_PTOB(PX_ADDR2PFN(addr, pfn_index, flags, i)); /* * If HV VPCI version is 2.0 and higher, pass BDF, phantom function, * and relaxed ordering attributes. Otherwise, pass only read or write * attribute. */ if ((px_vpci_maj_ver == PX_HSVC_MAJOR_VER_1) && (px_vpci_min_ver == PX_HSVC_MINOR_VER_0)) attr = attr & (PCI_MAP_ATTR_READ | PCI_MAP_ATTR_WRITE); while ((ttes_mapped = pfn_p - pfns) < pages) { uintptr_t ra = va_to_pa(pfn_p); pages_t ttes2map; uint64_t ret; ttes2map = (MMU_PAGE_SIZE - P2PHASE(ra, MMU_PAGE_SIZE)) >> 3; ra = MMU_PTOB(MMU_BTOP(ra)); for (ttes2map = MIN(ttes2map, pages - ttes_mapped); ttes2map; ttes2map -= ttes_mapped, pfn_p += ttes_mapped) { ttes_mapped = 0; if ((ret = hvio_iommu_map(DIP_TO_HANDLE(dip), PCI_TSBID(tsb_num, tsb_index + (pfn_p - pfns)), ttes2map, attr, (io_page_list_t *)(ra | ((uintptr_t)pfn_p & MMU_PAGE_OFFSET)), &ttes_mapped)) != H_EOK) { DBG(DBG_LIB_DMA, dip, "hvio_iommu_map failed " "ret 0x%lx\n", ret); ttes_mapped = pfn_p - pfns; err = DDI_FAILURE; goto cleanup; } DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: tsb_num 0x%x " "tsb_index 0x%lx ttes_to_map 0x%lx attr 0x%llx " "ra 0x%p ttes_mapped 0x%x\n", tsb_num, tsb_index + (pfn_p - pfns), ttes2map, attr, ra | ((uintptr_t)pfn_p & MMU_PAGE_OFFSET), ttes_mapped); } } cleanup: if ((err == DDI_FAILURE) && ttes_mapped) (void) px_lib_iommu_demap(dip, tsbid, ttes_mapped); kmem_free(pfns, pages * sizeof (io_page_list_t)); return (err); } /*ARGSUSED*/ int px_lib_iommu_demap(dev_info_t *dip, tsbid_t tsbid, pages_t pages) { tsbnum_t tsb_num = PCI_TSBID_TO_TSBNUM(tsbid); tsbindex_t tsb_index = PCI_TSBID_TO_TSBINDEX(tsbid); pages_t ttes2demap, ttes_demapped = 0; uint64_t ret; DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: dip 0x%p tsbid 0x%llx " "pages 0x%x\n", dip, tsbid, pages); for (ttes2demap = pages; ttes2demap; ttes2demap -= ttes_demapped, tsb_index += ttes_demapped) { if ((ret = hvio_iommu_demap(DIP_TO_HANDLE(dip), PCI_TSBID(tsb_num, tsb_index), ttes2demap, &ttes_demapped)) != H_EOK) { DBG(DBG_LIB_DMA, dip, "hvio_iommu_demap failed, " "ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap: tsb_num 0x%x " "tsb_index 0x%lx ttes_to_demap 0x%lx ttes_demapped 0x%x\n", tsb_num, tsb_index, ttes2demap, ttes_demapped); } return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_iommu_getmap(dev_info_t *dip, tsbid_t tsbid, io_attributes_t *attr_p, r_addr_t *r_addr_p) { uint64_t ret; DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: dip 0x%p tsbid 0x%llx\n", dip, tsbid); if ((ret = hvio_iommu_getmap(DIP_TO_HANDLE(dip), tsbid, attr_p, r_addr_p)) != H_EOK) { DBG(DBG_LIB_DMA, dip, "hvio_iommu_getmap failed, ret 0x%lx\n", ret); return ((ret == H_ENOMAP) ? DDI_DMA_NOMAPPING:DDI_FAILURE); } DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getmap: attr 0x%llx " "r_addr 0x%llx\n", *attr_p, *r_addr_p); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_iommu_detach(px_t *px_p) { return (DDI_SUCCESS); } /*ARGSUSED*/ uint64_t px_get_rng_parent_hi_mask(px_t *px_p) { return (PX_RANGE_PROP_MASK); } /* * Checks dma attributes against system bypass ranges * A sun4v device must be capable of generating the entire 64-bit * address in order to perform bypass DMA. */ /*ARGSUSED*/ int px_lib_dma_bypass_rngchk(dev_info_t *dip, ddi_dma_attr_t *attr_p, uint64_t *lo_p, uint64_t *hi_p) { if ((attr_p->dma_attr_addr_lo != 0ull) || (attr_p->dma_attr_addr_hi != UINT64_MAX)) { return (DDI_DMA_BADATTR); } *lo_p = 0ull; *hi_p = UINT64_MAX; return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_iommu_getbypass(dev_info_t *dip, r_addr_t ra, io_attributes_t attr, io_addr_t *io_addr_p) { uint64_t ret; DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: dip 0x%p ra 0x%llx " "attr 0x%llx\n", dip, ra, attr); /* * If HV VPCI version is 2.0 and higher, pass BDF, phantom function, * and relaxed ordering attributes. Otherwise, pass only read or write * attribute. */ if ((px_vpci_maj_ver == PX_HSVC_MAJOR_VER_1) && (px_vpci_min_ver == PX_HSVC_MINOR_VER_0)) attr &= PCI_MAP_ATTR_READ | PCI_MAP_ATTR_WRITE; if ((ret = hvio_iommu_getbypass(DIP_TO_HANDLE(dip), ra, attr, io_addr_p)) != H_EOK) { DBG(DBG_LIB_DMA, dip, "hvio_iommu_getbypass failed, ret 0x%lx\n", ret); return (ret == H_ENOTSUPPORTED ? DDI_ENOTSUP : DDI_FAILURE); } DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: io_addr 0x%llx\n", *io_addr_p); return (DDI_SUCCESS); } /* * Returns any needed IO address bit(s) for relaxed ordering in IOMMU * bypass mode. */ /* ARGSUSED */ uint64_t px_lib_ro_bypass(dev_info_t *dip, io_attributes_t attr, uint64_t ioaddr) { return (ioaddr); } /*ARGSUSED*/ int px_lib_dma_sync(dev_info_t *dip, dev_info_t *rdip, ddi_dma_handle_t handle, off_t off, size_t len, uint_t cache_flags) { ddi_dma_impl_t *mp = (ddi_dma_impl_t *)handle; uint64_t sync_dir; size_t bytes_synced; int end, idx; off_t pg_off; devhandle_t hdl = DIP_TO_HANDLE(dip); /* need to cache hdl */ DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: dip 0x%p rdip 0x%p " "handle 0x%llx off 0x%x len 0x%x flags 0x%x\n", dip, rdip, handle, off, len, cache_flags); if (!(mp->dmai_flags & PX_DMAI_FLAGS_INUSE)) { cmn_err(CE_WARN, "%s%d: Unbound dma handle %p.", ddi_driver_name(rdip), ddi_get_instance(rdip), (void *)mp); return (DDI_FAILURE); } if (mp->dmai_flags & PX_DMAI_FLAGS_NOSYNC) return (DDI_SUCCESS); if (!len) len = mp->dmai_size; if (mp->dmai_rflags & DDI_DMA_READ) sync_dir = HVIO_DMA_SYNC_DIR_FROM_DEV; else sync_dir = HVIO_DMA_SYNC_DIR_TO_DEV; off += mp->dmai_offset; pg_off = off & MMU_PAGEOFFSET; DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: page offset %x size %x\n", pg_off, len); /* sync on page basis */ end = MMU_BTOPR(off + len - 1); for (idx = MMU_BTOP(off); idx < end; idx++, len -= bytes_synced, pg_off = 0) { size_t bytes_to_sync = bytes_to_sync = MIN(len, MMU_PAGESIZE - pg_off); if (hvio_dma_sync(hdl, MMU_PTOB(PX_GET_MP_PFN(mp, idx)) + pg_off, bytes_to_sync, sync_dir, &bytes_synced) != H_EOK) break; DBG(DBG_LIB_DMA, dip, "px_lib_dma_sync: Called hvio_dma_sync " "ra = %p bytes to sync = %x bytes synced %x\n", MMU_PTOB(PX_GET_MP_PFN(mp, idx)) + pg_off, bytes_to_sync, bytes_synced); if (bytes_to_sync != bytes_synced) break; } return (len ? DDI_FAILURE : DDI_SUCCESS); } /* * MSIQ Functions: */ /*ARGSUSED*/ int px_lib_msiq_init(dev_info_t *dip) { px_t *px_p = DIP_TO_STATE(dip); px_msiq_state_t *msiq_state_p = &px_p->px_ib_p->ib_msiq_state; r_addr_t ra; size_t msiq_size; uint_t rec_cnt; int i, err = DDI_SUCCESS; uint64_t ret; DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_init: dip 0x%p\n", dip); msiq_size = msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t); /* sun4v requires all EQ allocation to be on q size boundary */ if ((msiq_state_p->msiq_buf_p = contig_mem_alloc_align( msiq_state_p->msiq_cnt * msiq_size, msiq_size)) == NULL) { DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_init: Contig alloc failed\n"); return (DDI_FAILURE); } for (i = 0; i < msiq_state_p->msiq_cnt; i++) { msiq_state_p->msiq_p[i].msiq_base_p = (msiqhead_t *) ((caddr_t)msiq_state_p->msiq_buf_p + (i * msiq_size)); ra = (r_addr_t)va_to_pa((caddr_t)msiq_state_p->msiq_buf_p + (i * msiq_size)); if ((ret = hvio_msiq_conf(DIP_TO_HANDLE(dip), (i + msiq_state_p->msiq_1st_msiq_id), ra, msiq_state_p->msiq_rec_cnt)) != H_EOK) { DBG(DBG_LIB_MSIQ, dip, "hvio_msiq_conf failed, ret 0x%lx\n", ret); err = DDI_FAILURE; break; } if ((err = px_lib_msiq_info(dip, (i + msiq_state_p->msiq_1st_msiq_id), &ra, &rec_cnt)) != DDI_SUCCESS) { DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_info failed, ret 0x%x\n", err); err = DDI_FAILURE; break; } DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_init: ra 0x%p rec_cnt 0x%x\n", ra, rec_cnt); } return (err); } /*ARGSUSED*/ int px_lib_msiq_fini(dev_info_t *dip) { px_t *px_p = DIP_TO_STATE(dip); px_msiq_state_t *msiq_state_p = &px_p->px_ib_p->ib_msiq_state; size_t msiq_size; DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_fini: dip 0x%p\n", dip); msiq_size = msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t); if (msiq_state_p->msiq_buf_p != NULL) contig_mem_free(msiq_state_p->msiq_buf_p, msiq_state_p->msiq_cnt * msiq_size); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msiq_info(dev_info_t *dip, msiqid_t msiq_id, r_addr_t *ra_p, uint_t *msiq_rec_cnt_p) { uint64_t ret; DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: dip 0x%p msiq_id 0x%x\n", dip, msiq_id); if ((ret = hvio_msiq_info(DIP_TO_HANDLE(dip), msiq_id, ra_p, msiq_rec_cnt_p)) != H_EOK) { DBG(DBG_LIB_MSIQ, dip, "hvio_msiq_info failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: ra_p 0x%p msiq_rec_cnt 0x%x\n", ra_p, *msiq_rec_cnt_p); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msiq_getvalid(dev_info_t *dip, msiqid_t msiq_id, pci_msiq_valid_state_t *msiq_valid_state) { uint64_t ret; DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: dip 0x%p msiq_id 0x%x\n", dip, msiq_id); if ((ret = hvio_msiq_getvalid(DIP_TO_HANDLE(dip), msiq_id, msiq_valid_state)) != H_EOK) { DBG(DBG_LIB_MSIQ, dip, "hvio_msiq_getvalid failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getvalid: msiq_valid_state 0x%x\n", *msiq_valid_state); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msiq_setvalid(dev_info_t *dip, msiqid_t msiq_id, pci_msiq_valid_state_t msiq_valid_state) { uint64_t ret; DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setvalid: dip 0x%p msiq_id 0x%x " "msiq_valid_state 0x%x\n", dip, msiq_id, msiq_valid_state); if ((ret = hvio_msiq_setvalid(DIP_TO_HANDLE(dip), msiq_id, msiq_valid_state)) != H_EOK) { DBG(DBG_LIB_MSIQ, dip, "hvio_msiq_setvalid failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msiq_getstate(dev_info_t *dip, msiqid_t msiq_id, pci_msiq_state_t *msiq_state) { uint64_t ret; DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: dip 0x%p msiq_id 0x%x\n", dip, msiq_id); if ((ret = hvio_msiq_getstate(DIP_TO_HANDLE(dip), msiq_id, msiq_state)) != H_EOK) { DBG(DBG_LIB_MSIQ, dip, "hvio_msiq_getstate failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_getstate: msiq_state 0x%x\n", *msiq_state); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msiq_setstate(dev_info_t *dip, msiqid_t msiq_id, pci_msiq_state_t msiq_state) { uint64_t ret; DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_setstate: dip 0x%p msiq_id 0x%x " "msiq_state 0x%x\n", dip, msiq_id, msiq_state); if ((ret = hvio_msiq_setstate(DIP_TO_HANDLE(dip), msiq_id, msiq_state)) != H_EOK) { DBG(DBG_LIB_MSIQ, dip, "hvio_msiq_setstate failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msiq_gethead(dev_info_t *dip, msiqid_t msiq_id, msiqhead_t *msiq_head_p) { uint64_t ret; DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gethead: dip 0x%p msiq_id 0x%x\n", dip, msiq_id); if ((ret = hvio_msiq_gethead(DIP_TO_HANDLE(dip), msiq_id, msiq_head_p)) != H_EOK) { DBG(DBG_LIB_MSIQ, dip, "hvio_msiq_gethead failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } *msiq_head_p = (*msiq_head_p / sizeof (msiq_rec_t)); DBG(DBG_LIB_MSIQ, dip, "px_msiq_gethead: msiq_head 0x%x\n", *msiq_head_p); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msiq_sethead(dev_info_t *dip, msiqid_t msiq_id, msiqhead_t msiq_head) { uint64_t ret; DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_sethead: dip 0x%p msiq_id 0x%x " "msiq_head 0x%x\n", dip, msiq_id, msiq_head); if ((ret = hvio_msiq_sethead(DIP_TO_HANDLE(dip), msiq_id, msiq_head * sizeof (msiq_rec_t))) != H_EOK) { DBG(DBG_LIB_MSIQ, dip, "hvio_msiq_sethead failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msiq_gettail(dev_info_t *dip, msiqid_t msiq_id, msiqtail_t *msiq_tail_p) { uint64_t ret; DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: dip 0x%p msiq_id 0x%x\n", dip, msiq_id); if ((ret = hvio_msiq_gettail(DIP_TO_HANDLE(dip), msiq_id, msiq_tail_p)) != H_EOK) { DBG(DBG_LIB_MSIQ, dip, "hvio_msiq_gettail failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } *msiq_tail_p = (*msiq_tail_p / sizeof (msiq_rec_t)); DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: msiq_tail 0x%x\n", *msiq_tail_p); return (DDI_SUCCESS); } /*ARGSUSED*/ void px_lib_get_msiq_rec(dev_info_t *dip, msiqhead_t *msiq_head_p, msiq_rec_t *msiq_rec_p) { msiq_rec_t *curr_msiq_rec_p = (msiq_rec_t *)msiq_head_p; DBG(DBG_LIB_MSIQ, dip, "px_lib_get_msiq_rec: dip 0x%p\n", dip); if (!curr_msiq_rec_p->msiq_rec_type) { /* Set msiq_rec_type to zero */ msiq_rec_p->msiq_rec_type = 0; return; } *msiq_rec_p = *curr_msiq_rec_p; } /*ARGSUSED*/ void px_lib_clr_msiq_rec(dev_info_t *dip, msiqhead_t *msiq_head_p) { msiq_rec_t *curr_msiq_rec_p = (msiq_rec_t *)msiq_head_p; DBG(DBG_LIB_MSIQ, dip, "px_lib_clr_msiq_rec: dip 0x%p\n", dip); /* Zero out msiq_rec_type field */ curr_msiq_rec_p->msiq_rec_type = 0; } /* * MSI Functions: */ /*ARGSUSED*/ int px_lib_msi_init(dev_info_t *dip) { DBG(DBG_LIB_MSI, dip, "px_lib_msi_init: dip 0x%p\n", dip); /* Noop */ return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msi_getmsiq(dev_info_t *dip, msinum_t msi_num, msiqid_t *msiq_id) { uint64_t ret; DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: dip 0x%p msi_num 0x%x\n", dip, msi_num); if ((ret = hvio_msi_getmsiq(DIP_TO_HANDLE(dip), msi_num, msiq_id)) != H_EOK) { DBG(DBG_LIB_MSI, dip, "hvio_msi_getmsiq failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_MSI, dip, "px_lib_msi_getmsiq: msiq_id 0x%x\n", *msiq_id); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msi_setmsiq(dev_info_t *dip, msinum_t msi_num, msiqid_t msiq_id, msi_type_t msitype) { uint64_t ret; DBG(DBG_LIB_MSI, dip, "px_lib_msi_setmsiq: dip 0x%p msi_num 0x%x " "msq_id 0x%x\n", dip, msi_num, msiq_id); if ((ret = hvio_msi_setmsiq(DIP_TO_HANDLE(dip), msi_num, msiq_id, msitype)) != H_EOK) { DBG(DBG_LIB_MSI, dip, "hvio_msi_setmsiq failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msi_getvalid(dev_info_t *dip, msinum_t msi_num, pci_msi_valid_state_t *msi_valid_state) { uint64_t ret; DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: dip 0x%p msi_num 0x%x\n", dip, msi_num); if ((ret = hvio_msi_getvalid(DIP_TO_HANDLE(dip), msi_num, msi_valid_state)) != H_EOK) { DBG(DBG_LIB_MSI, dip, "hvio_msi_getvalid failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_MSI, dip, "px_lib_msi_getvalid: msiq_id 0x%x\n", *msi_valid_state); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msi_setvalid(dev_info_t *dip, msinum_t msi_num, pci_msi_valid_state_t msi_valid_state) { uint64_t ret; DBG(DBG_LIB_MSI, dip, "px_lib_msi_setvalid: dip 0x%p msi_num 0x%x " "msi_valid_state 0x%x\n", dip, msi_num, msi_valid_state); if ((ret = hvio_msi_setvalid(DIP_TO_HANDLE(dip), msi_num, msi_valid_state)) != H_EOK) { DBG(DBG_LIB_MSI, dip, "hvio_msi_setvalid failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msi_getstate(dev_info_t *dip, msinum_t msi_num, pci_msi_state_t *msi_state) { uint64_t ret; DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: dip 0x%p msi_num 0x%x\n", dip, msi_num); if ((ret = hvio_msi_getstate(DIP_TO_HANDLE(dip), msi_num, msi_state)) != H_EOK) { DBG(DBG_LIB_MSI, dip, "hvio_msi_getstate failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_MSI, dip, "px_lib_msi_getstate: msi_state 0x%x\n", *msi_state); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msi_setstate(dev_info_t *dip, msinum_t msi_num, pci_msi_state_t msi_state) { uint64_t ret; DBG(DBG_LIB_MSI, dip, "px_lib_msi_setstate: dip 0x%p msi_num 0x%x " "msi_state 0x%x\n", dip, msi_num, msi_state); if ((ret = hvio_msi_setstate(DIP_TO_HANDLE(dip), msi_num, msi_state)) != H_EOK) { DBG(DBG_LIB_MSI, dip, "hvio_msi_setstate failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } /* * MSG Functions: */ /*ARGSUSED*/ int px_lib_msg_getmsiq(dev_info_t *dip, pcie_msg_type_t msg_type, msiqid_t *msiq_id) { uint64_t ret; DBG(DBG_LIB_MSG, dip, "px_lib_msg_getmsiq: dip 0x%p msg_type 0x%x\n", dip, msg_type); if ((ret = hvio_msg_getmsiq(DIP_TO_HANDLE(dip), msg_type, msiq_id)) != H_EOK) { DBG(DBG_LIB_MSG, dip, "hvio_msg_getmsiq failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_MSI, dip, "px_lib_msg_getmsiq: msiq_id 0x%x\n", *msiq_id); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msg_setmsiq(dev_info_t *dip, pcie_msg_type_t msg_type, msiqid_t msiq_id) { uint64_t ret; DBG(DBG_LIB_MSG, dip, "px_lib_msg_setmsiq: dip 0x%p msg_type 0x%x " "msq_id 0x%x\n", dip, msg_type, msiq_id); if ((ret = hvio_msg_setmsiq(DIP_TO_HANDLE(dip), msg_type, msiq_id)) != H_EOK) { DBG(DBG_LIB_MSG, dip, "hvio_msg_setmsiq failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msg_getvalid(dev_info_t *dip, pcie_msg_type_t msg_type, pcie_msg_valid_state_t *msg_valid_state) { uint64_t ret; DBG(DBG_LIB_MSG, dip, "px_lib_msg_getvalid: dip 0x%p msg_type 0x%x\n", dip, msg_type); if ((ret = hvio_msg_getvalid(DIP_TO_HANDLE(dip), msg_type, msg_valid_state)) != H_EOK) { DBG(DBG_LIB_MSG, dip, "hvio_msg_getvalid failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_MSI, dip, "px_lib_msg_getvalid: msg_valid_state 0x%x\n", *msg_valid_state); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msg_setvalid(dev_info_t *dip, pcie_msg_type_t msg_type, pcie_msg_valid_state_t msg_valid_state) { uint64_t ret; DBG(DBG_LIB_MSG, dip, "px_lib_msg_setvalid: dip 0x%p msg_type 0x%x " "msg_valid_state 0x%x\n", dip, msg_type, msg_valid_state); if ((ret = hvio_msg_setvalid(DIP_TO_HANDLE(dip), msg_type, msg_valid_state)) != H_EOK) { DBG(DBG_LIB_MSG, dip, "hvio_msg_setvalid failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } /* * Suspend/Resume Functions: * Currently unsupported by hypervisor and all functions are noops. */ /*ARGSUSED*/ int px_lib_suspend(dev_info_t *dip) { DBG(DBG_ATTACH, dip, "px_lib_suspend: Not supported\n"); /* Not supported */ return (DDI_FAILURE); } /*ARGSUSED*/ void px_lib_resume(dev_info_t *dip) { DBG(DBG_ATTACH, dip, "px_lib_resume: Not supported\n"); /* Noop */ } /* * Misc Functions: * Currently unsupported by hypervisor and all functions are noops. */ /*ARGSUSED*/ static int px_lib_config_get(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off, uint8_t size, pci_cfg_data_t *data_p) { uint64_t ret; DBG(DBG_LIB_CFG, dip, "px_lib_config_get: dip 0x%p, bdf 0x%llx " "off 0x%x size 0x%x\n", dip, bdf, off, size); if ((ret = hvio_config_get(DIP_TO_HANDLE(dip), bdf, off, size, data_p)) != H_EOK) { DBG(DBG_LIB_CFG, dip, "hvio_config_get failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_CFG, dip, "px_config_get: data 0x%x\n", data_p->dw); return (DDI_SUCCESS); } /*ARGSUSED*/ static int px_lib_config_put(dev_info_t *dip, pci_device_t bdf, pci_config_offset_t off, uint8_t size, pci_cfg_data_t data) { uint64_t ret; DBG(DBG_LIB_CFG, dip, "px_lib_config_put: dip 0x%p, bdf 0x%llx " "off 0x%x size 0x%x data 0x%llx\n", dip, bdf, off, size, data.qw); if ((ret = hvio_config_put(DIP_TO_HANDLE(dip), bdf, off, size, data)) != H_EOK) { DBG(DBG_LIB_CFG, dip, "hvio_config_put failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } static uint32_t px_pci_config_get(ddi_acc_impl_t *handle, uint32_t *addr, int size) { px_config_acc_pvt_t *px_pvt = (px_config_acc_pvt_t *) handle->ahi_common.ah_bus_private; pcie_bus_t *busp = NULL; dev_info_t *cdip = NULL; uint32_t pci_dev_addr = px_pvt->raddr; uint32_t vaddr = px_pvt->vaddr; uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff; uint64_t rdata = 0; if (px_lib_config_get(px_pvt->dip, pci_dev_addr, off, size, (pci_cfg_data_t *)&rdata) != DDI_SUCCESS) /* XXX update error kstats */ return (0xffffffff); if (cdip = pcie_find_dip_by_bdf(px_pvt->dip, pci_dev_addr >> 8)) busp = PCIE_DIP2BUS(cdip); /* * This can be called early, before busp or busp->bus_dom has * been initialized, so check both before invoking * PCIE_IS_ASSIGNED. */ if (busp && PCIE_BUS2DOM(busp) && PCIE_IS_ASSIGNED(busp)) { if (off == PCI_CONF_VENID && size == 2) rdata = busp->bus_dev_ven_id & 0xffff; else if (off == PCI_CONF_DEVID && size == 2) rdata = busp->bus_dev_ven_id >> 16; else if (off == PCI_CONF_VENID && size == 4) rdata = busp->bus_dev_ven_id; } return ((uint32_t)rdata); } static void px_pci_config_put(ddi_acc_impl_t *handle, uint32_t *addr, int size, pci_cfg_data_t wdata) { px_config_acc_pvt_t *px_pvt = (px_config_acc_pvt_t *) handle->ahi_common.ah_bus_private; uint32_t pci_dev_addr = px_pvt->raddr; uint32_t vaddr = px_pvt->vaddr; uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff; if (px_lib_config_put(px_pvt->dip, pci_dev_addr, off, size, wdata) != DDI_SUCCESS) { /*EMPTY*/ /* XXX update error kstats */ } } static uint8_t px_pci_config_get8(ddi_acc_impl_t *handle, uint8_t *addr) { return ((uint8_t)px_pci_config_get(handle, (uint32_t *)addr, 1)); } static uint16_t px_pci_config_get16(ddi_acc_impl_t *handle, uint16_t *addr) { return ((uint16_t)px_pci_config_get(handle, (uint32_t *)addr, 2)); } static uint32_t px_pci_config_get32(ddi_acc_impl_t *handle, uint32_t *addr) { return ((uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4)); } static uint64_t px_pci_config_get64(ddi_acc_impl_t *handle, uint64_t *addr) { uint32_t rdatah, rdatal; rdatal = (uint32_t)px_pci_config_get(handle, (uint32_t *)addr, 4); rdatah = (uint32_t)px_pci_config_get(handle, (uint32_t *)((char *)addr+4), 4); return (((uint64_t)rdatah << 32) | rdatal); } static void px_pci_config_put8(ddi_acc_impl_t *handle, uint8_t *addr, uint8_t data) { pci_cfg_data_t wdata = { 0 }; wdata.qw = (uint8_t)data; px_pci_config_put(handle, (uint32_t *)addr, 1, wdata); } static void px_pci_config_put16(ddi_acc_impl_t *handle, uint16_t *addr, uint16_t data) { pci_cfg_data_t wdata = { 0 }; wdata.qw = (uint16_t)data; px_pci_config_put(handle, (uint32_t *)addr, 2, wdata); } static void px_pci_config_put32(ddi_acc_impl_t *handle, uint32_t *addr, uint32_t data) { pci_cfg_data_t wdata = { 0 }; wdata.qw = (uint32_t)data; px_pci_config_put(handle, (uint32_t *)addr, 4, wdata); } static void px_pci_config_put64(ddi_acc_impl_t *handle, uint64_t *addr, uint64_t data) { pci_cfg_data_t wdata = { 0 }; wdata.qw = (uint32_t)(data & 0xffffffff); px_pci_config_put(handle, (uint32_t *)addr, 4, wdata); wdata.qw = (uint32_t)((data >> 32) & 0xffffffff); px_pci_config_put(handle, (uint32_t *)((char *)addr+4), 4, wdata); } static void px_pci_config_rep_get8(ddi_acc_impl_t *handle, uint8_t *host_addr, uint8_t *dev_addr, size_t repcount, uint_t flags) { if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) *host_addr++ = px_pci_config_get8(handle, dev_addr++); else for (; repcount; repcount--) *host_addr++ = px_pci_config_get8(handle, dev_addr); } /* * Function to rep read 16 bit data off the PCI configuration space behind * the 21554's host interface. */ static void px_pci_config_rep_get16(ddi_acc_impl_t *handle, uint16_t *host_addr, uint16_t *dev_addr, size_t repcount, uint_t flags) { if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) *host_addr++ = px_pci_config_get16(handle, dev_addr++); else for (; repcount; repcount--) *host_addr++ = px_pci_config_get16(handle, dev_addr); } /* * Function to rep read 32 bit data off the PCI configuration space behind * the 21554's host interface. */ static void px_pci_config_rep_get32(ddi_acc_impl_t *handle, uint32_t *host_addr, uint32_t *dev_addr, size_t repcount, uint_t flags) { if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) *host_addr++ = px_pci_config_get32(handle, dev_addr++); else for (; repcount; repcount--) *host_addr++ = px_pci_config_get32(handle, dev_addr); } /* * Function to rep read 64 bit data off the PCI configuration space behind * the 21554's host interface. */ static void px_pci_config_rep_get64(ddi_acc_impl_t *handle, uint64_t *host_addr, uint64_t *dev_addr, size_t repcount, uint_t flags) { if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) *host_addr++ = px_pci_config_get64(handle, dev_addr++); else for (; repcount; repcount--) *host_addr++ = px_pci_config_get64(handle, dev_addr); } /* * Function to rep write 8 bit data into the PCI configuration space behind * the 21554's host interface. */ static void px_pci_config_rep_put8(ddi_acc_impl_t *handle, uint8_t *host_addr, uint8_t *dev_addr, size_t repcount, uint_t flags) { if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) px_pci_config_put8(handle, dev_addr++, *host_addr++); else for (; repcount; repcount--) px_pci_config_put8(handle, dev_addr, *host_addr++); } /* * Function to rep write 16 bit data into the PCI configuration space behind * the 21554's host interface. */ static void px_pci_config_rep_put16(ddi_acc_impl_t *handle, uint16_t *host_addr, uint16_t *dev_addr, size_t repcount, uint_t flags) { if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) px_pci_config_put16(handle, dev_addr++, *host_addr++); else for (; repcount; repcount--) px_pci_config_put16(handle, dev_addr, *host_addr++); } /* * Function to rep write 32 bit data into the PCI configuration space behind * the 21554's host interface. */ static void px_pci_config_rep_put32(ddi_acc_impl_t *handle, uint32_t *host_addr, uint32_t *dev_addr, size_t repcount, uint_t flags) { if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) px_pci_config_put32(handle, dev_addr++, *host_addr++); else for (; repcount; repcount--) px_pci_config_put32(handle, dev_addr, *host_addr++); } /* * Function to rep write 64 bit data into the PCI configuration space behind * the 21554's host interface. */ static void px_pci_config_rep_put64(ddi_acc_impl_t *handle, uint64_t *host_addr, uint64_t *dev_addr, size_t repcount, uint_t flags) { if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) px_pci_config_put64(handle, dev_addr++, *host_addr++); else for (; repcount; repcount--) px_pci_config_put64(handle, dev_addr, *host_addr++); } /* * Provide a private access handle to route config access calls to Hypervisor. * Beware: Do all error checking for config space accesses before calling * this function. ie. do error checking from the calling function. * Due to a lack of meaningful error code in DDI, the gauranteed return of * DDI_SUCCESS from here makes the code organization readable/easier from * the generic code. */ /*ARGSUSED*/ int px_lib_map_vconfig(dev_info_t *dip, ddi_map_req_t *mp, pci_config_offset_t off, pci_regspec_t *rp, caddr_t *addrp) { int fmcap; ndi_err_t *errp; on_trap_data_t *otp; ddi_acc_hdl_t *hp; ddi_acc_impl_t *ap; uchar_t busnum; /* bus number */ uchar_t devnum; /* device number */ uchar_t funcnum; /* function number */ px_config_acc_pvt_t *px_pvt; hp = (ddi_acc_hdl_t *)mp->map_handlep; ap = (ddi_acc_impl_t *)hp->ah_platform_private; /* Check for mapping teardown operation */ if ((mp->map_op == DDI_MO_UNMAP) || (mp->map_op == DDI_MO_UNLOCK)) { /* free up memory allocated for the private access handle. */ px_pvt = (px_config_acc_pvt_t *)hp->ah_bus_private; kmem_free((void *)px_pvt, sizeof (px_config_acc_pvt_t)); /* unmap operation of PCI IO/config space. */ return (DDI_SUCCESS); } fmcap = ddi_fm_capable(dip); if (DDI_FM_ACC_ERR_CAP(fmcap)) { errp = ((ddi_acc_impl_t *)hp)->ahi_err; otp = (on_trap_data_t *)errp->err_ontrap; otp->ot_handle = (void *)(hp); otp->ot_prot = OT_DATA_ACCESS; errp->err_status = DDI_FM_OK; errp->err_expected = DDI_FM_ERR_UNEXPECTED; errp->err_cf = px_err_cfg_hdl_check; } ap->ahi_get8 = px_pci_config_get8; ap->ahi_get16 = px_pci_config_get16; ap->ahi_get32 = px_pci_config_get32; ap->ahi_get64 = px_pci_config_get64; ap->ahi_put8 = px_pci_config_put8; ap->ahi_put16 = px_pci_config_put16; ap->ahi_put32 = px_pci_config_put32; ap->ahi_put64 = px_pci_config_put64; ap->ahi_rep_get8 = px_pci_config_rep_get8; ap->ahi_rep_get16 = px_pci_config_rep_get16; ap->ahi_rep_get32 = px_pci_config_rep_get32; ap->ahi_rep_get64 = px_pci_config_rep_get64; ap->ahi_rep_put8 = px_pci_config_rep_put8; ap->ahi_rep_put16 = px_pci_config_rep_put16; ap->ahi_rep_put32 = px_pci_config_rep_put32; ap->ahi_rep_put64 = px_pci_config_rep_put64; /* Initialize to default check/notify functions */ ap->ahi_fault = 0; ap->ahi_fault_check = i_ddi_acc_fault_check; ap->ahi_fault_notify = i_ddi_acc_fault_notify; /* allocate memory for our private handle */ px_pvt = (px_config_acc_pvt_t *) kmem_zalloc(sizeof (px_config_acc_pvt_t), KM_SLEEP); hp->ah_bus_private = (void *)px_pvt; busnum = PCI_REG_BUS_G(rp->pci_phys_hi); devnum = PCI_REG_DEV_G(rp->pci_phys_hi); funcnum = PCI_REG_FUNC_G(rp->pci_phys_hi); /* set up private data for use during IO routines */ /* addr needed by the HV APIs */ px_pvt->raddr = busnum << 16 | devnum << 11 | funcnum << 8; /* * Address that specifies the actual offset into the 256MB * memory mapped configuration space, 4K per device. * First 12bits form the offset into 4K config space. * This address is only used during the IO routines to calculate * the offset at which the transaction must be performed. * Drivers bypassing DDI functions to access PCI config space will * panic the system since the following is a bogus virtual address. */ px_pvt->vaddr = busnum << 20 | devnum << 15 | funcnum << 12 | off; px_pvt->dip = dip; DBG(DBG_LIB_CFG, dip, "px_config_setup: raddr 0x%x, vaddr 0x%x\n", px_pvt->raddr, px_pvt->vaddr); *addrp = (caddr_t)(uintptr_t)px_pvt->vaddr; return (DDI_SUCCESS); } /*ARGSUSED*/ void px_lib_map_attr_check(ddi_map_req_t *mp) { } /* * px_lib_log_safeacc_err: * Imitate a cpu/mem trap call when a peek/poke fails. * This will initiate something similar to px_fm_callback. */ static void px_lib_log_safeacc_err(px_t *px_p, ddi_acc_handle_t handle, int fme_flag, r_addr_t addr) { uint32_t addr_high, addr_low; pcie_req_id_t bdf = PCIE_INVALID_BDF; pci_ranges_t *ranges_p; int range_len, i; ddi_acc_impl_t *hp = (ddi_acc_impl_t *)handle; ddi_fm_error_t derr; if (px_fm_enter(px_p) != DDI_SUCCESS) return; derr.fme_status = DDI_FM_NONFATAL; derr.fme_version = DDI_FME_VERSION; derr.fme_flag = fme_flag; derr.fme_ena = fm_ena_generate(0, FM_ENA_FMT1); derr.fme_acc_handle = handle; if (hp) hp->ahi_err->err_expected = DDI_FM_ERR_EXPECTED; addr_high = (uint32_t)(addr >> 32); addr_low = (uint32_t)addr; /* * Make sure this failed load came from this PCIe port. Check by * matching the upper 32 bits of the address with the ranges property. */ range_len = px_p->px_ranges_length / sizeof (pci_ranges_t); i = 0; for (ranges_p = px_p->px_ranges_p; i < range_len; i++, ranges_p++) { if (ranges_p->parent_high == addr_high) { switch (ranges_p->child_high & PCI_ADDR_MASK) { case PCI_ADDR_CONFIG: bdf = (pcie_req_id_t)(addr_low >> 12); break; default: bdf = PCIE_INVALID_BDF; break; } break; } } (void) px_rp_en_q(px_p, bdf, addr, 0); (void) px_scan_fabric(px_p, px_p->px_dip, &derr); px_fm_exit(px_p); } #ifdef DEBUG int px_peekfault_cnt = 0; int px_pokefault_cnt = 0; #endif /* DEBUG */ /* * Do a safe write to a device. * * When this function is given a handle (cautious access), all errors are * suppressed. * * When this function is not given a handle (poke), only Unsupported Request * and Completer Abort errors are suppressed. * * In all cases, all errors are returned in the function return status. */ int px_lib_ctlops_poke(dev_info_t *dip, dev_info_t *rdip, peekpoke_ctlops_t *in_args) { px_t *px_p = DIP_TO_STATE(dip); px_pec_t *pec_p = px_p->px_pec_p; ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle; size_t repcount = in_args->repcount; size_t size = in_args->size; uintptr_t dev_addr = in_args->dev_addr; uintptr_t host_addr = in_args->host_addr; int err = DDI_SUCCESS; uint64_t hvio_poke_status; uint32_t wrt_stat; r_addr_t ra; uint64_t pokeval; pcie_req_id_t bdf; ra = (r_addr_t)va_to_pa((void *)dev_addr); for (; repcount; repcount--) { switch (size) { case sizeof (uint8_t): pokeval = *(uint8_t *)host_addr; break; case sizeof (uint16_t): pokeval = *(uint16_t *)host_addr; break; case sizeof (uint32_t): pokeval = *(uint32_t *)host_addr; break; case sizeof (uint64_t): pokeval = *(uint64_t *)host_addr; break; default: DBG(DBG_MAP, px_p->px_dip, "poke: invalid size %d passed\n", size); err = DDI_FAILURE; goto done; } /* * Grab pokefault mutex since hypervisor does not guarantee * poke serialization. */ if (hp) { i_ndi_busop_access_enter(hp->ahi_common.ah_dip, (ddi_acc_handle_t)hp); pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED; } else { mutex_enter(&pec_p->pec_pokefault_mutex); pec_p->pec_safeacc_type = DDI_FM_ERR_POKE; } if (pcie_get_bdf_from_dip(rdip, &bdf) != DDI_SUCCESS) { err = DDI_FAILURE; goto done; } hvio_poke_status = hvio_poke(px_p->px_dev_hdl, ra, size, pokeval, bdf << 8, &wrt_stat); if ((hvio_poke_status != H_EOK) || (wrt_stat != H_EOK)) { err = DDI_FAILURE; #ifdef DEBUG px_pokefault_cnt++; #endif /* * For CAUTIOUS and POKE access, notify FMA to * cleanup. Imitate a cpu/mem trap call like in sun4u. */ px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp, (hp ? DDI_FM_ERR_EXPECTED : DDI_FM_ERR_POKE), ra); pec_p->pec_ontrap_data = NULL; pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED; if (hp) { i_ndi_busop_access_exit(hp->ahi_common.ah_dip, (ddi_acc_handle_t)hp); } else { mutex_exit(&pec_p->pec_pokefault_mutex); } goto done; } pec_p->pec_ontrap_data = NULL; pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED; if (hp) { i_ndi_busop_access_exit(hp->ahi_common.ah_dip, (ddi_acc_handle_t)hp); } else { mutex_exit(&pec_p->pec_pokefault_mutex); } host_addr += size; if (in_args->flags == DDI_DEV_AUTOINCR) { dev_addr += size; ra = (r_addr_t)va_to_pa((void *)dev_addr); } } done: return (err); } /*ARGSUSED*/ int px_lib_ctlops_peek(dev_info_t *dip, dev_info_t *rdip, peekpoke_ctlops_t *in_args, void *result) { px_t *px_p = DIP_TO_STATE(dip); px_pec_t *pec_p = px_p->px_pec_p; ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle; size_t repcount = in_args->repcount; uintptr_t dev_addr = in_args->dev_addr; uintptr_t host_addr = in_args->host_addr; r_addr_t ra; uint32_t read_status; uint64_t hvio_peek_status; uint64_t peekval; int err = DDI_SUCCESS; result = (void *)in_args->host_addr; ra = (r_addr_t)va_to_pa((void *)dev_addr); for (; repcount; repcount--) { /* Lock pokefault mutex so read doesn't mask a poke fault. */ if (hp) { i_ndi_busop_access_enter(hp->ahi_common.ah_dip, (ddi_acc_handle_t)hp); pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED; } else { mutex_enter(&pec_p->pec_pokefault_mutex); pec_p->pec_safeacc_type = DDI_FM_ERR_PEEK; } hvio_peek_status = hvio_peek(px_p->px_dev_hdl, ra, in_args->size, &read_status, &peekval); if ((hvio_peek_status != H_EOK) || (read_status != H_EOK)) { err = DDI_FAILURE; /* * For CAUTIOUS and PEEK access, notify FMA to * cleanup. Imitate a cpu/mem trap call like in sun4u. */ px_lib_log_safeacc_err(px_p, (ddi_acc_handle_t)hp, (hp ? DDI_FM_ERR_EXPECTED : DDI_FM_ERR_PEEK), ra); /* Stuff FFs in host addr if peek. */ if (hp == NULL) { int i; uint8_t *ff_addr = (uint8_t *)host_addr; for (i = 0; i < in_args->size; i++) *ff_addr++ = 0xff; } #ifdef DEBUG px_peekfault_cnt++; #endif pec_p->pec_ontrap_data = NULL; pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED; if (hp) { i_ndi_busop_access_exit(hp->ahi_common.ah_dip, (ddi_acc_handle_t)hp); } else { mutex_exit(&pec_p->pec_pokefault_mutex); } goto done; } pec_p->pec_ontrap_data = NULL; pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED; if (hp) { i_ndi_busop_access_exit(hp->ahi_common.ah_dip, (ddi_acc_handle_t)hp); } else { mutex_exit(&pec_p->pec_pokefault_mutex); } switch (in_args->size) { case sizeof (uint8_t): *(uint8_t *)host_addr = (uint8_t)peekval; break; case sizeof (uint16_t): *(uint16_t *)host_addr = (uint16_t)peekval; break; case sizeof (uint32_t): *(uint32_t *)host_addr = (uint32_t)peekval; break; case sizeof (uint64_t): *(uint64_t *)host_addr = (uint64_t)peekval; break; default: DBG(DBG_MAP, px_p->px_dip, "peek: invalid size %d passed\n", in_args->size); err = DDI_FAILURE; goto done; } host_addr += in_args->size; if (in_args->flags == DDI_DEV_AUTOINCR) { dev_addr += in_args->size; ra = (r_addr_t)va_to_pa((void *)dev_addr); } } done: return (err); } /* add interrupt vector */ int px_err_add_intr(px_fault_t *px_fault_p) { px_t *px_p = DIP_TO_STATE(px_fault_p->px_fh_dip); DBG(DBG_LIB_INT, px_p->px_dip, "px_err_add_intr: calling add_ivintr"); VERIFY(add_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL, (intrfunc)px_fault_p->px_err_func, (caddr_t)px_fault_p, NULL, (caddr_t)&px_fault_p->px_intr_payload[0]) == 0); DBG(DBG_LIB_INT, px_p->px_dip, "px_err_add_intr: ib_intr_enable "); px_ib_intr_enable(px_p, intr_dist_cpuid(), px_fault_p->px_intr_ino); return (DDI_SUCCESS); } /* remove interrupt vector */ void px_err_rem_intr(px_fault_t *px_fault_p) { px_t *px_p = DIP_TO_STATE(px_fault_p->px_fh_dip); px_ib_intr_disable(px_p->px_ib_p, px_fault_p->px_intr_ino, IB_INTR_WAIT); VERIFY(rem_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL) == 0); } void px_cb_intr_redist(void *arg) { px_t *px_p = (px_t *)arg; px_ib_intr_dist_en(px_p->px_dip, intr_dist_cpuid(), px_p->px_inos[PX_INTR_XBC], B_FALSE); } int px_cb_add_intr(px_fault_t *f_p) { px_t *px_p = DIP_TO_STATE(f_p->px_fh_dip); DBG(DBG_LIB_INT, px_p->px_dip, "px_err_add_intr: calling add_ivintr"); VERIFY(add_ivintr(f_p->px_fh_sysino, PX_ERR_PIL, (intrfunc)f_p->px_err_func, (caddr_t)f_p, NULL, (caddr_t)&f_p->px_intr_payload[0]) == 0); intr_dist_add(px_cb_intr_redist, px_p); DBG(DBG_LIB_INT, px_p->px_dip, "px_err_add_intr: ib_intr_enable "); px_ib_intr_enable(px_p, intr_dist_cpuid(), f_p->px_intr_ino); return (DDI_SUCCESS); } void px_cb_rem_intr(px_fault_t *f_p) { intr_dist_rem(px_cb_intr_redist, DIP_TO_STATE(f_p->px_fh_dip)); px_err_rem_intr(f_p); } #ifdef FMA void px_fill_rc_status(px_fault_t *px_fault_p, pciex_rc_error_regs_t *rc_status) { px_pec_err_t *err_pkt; err_pkt = (px_pec_err_t *)px_fault_p->px_intr_payload; /* initialise all the structure members */ rc_status->status_valid = 0; if (err_pkt->pec_descr.P) { /* PCI Status Register */ rc_status->pci_err_status = err_pkt->pci_err_status; rc_status->status_valid |= PCI_ERR_STATUS_VALID; } if (err_pkt->pec_descr.E) { /* PCIe Status Register */ rc_status->pcie_err_status = err_pkt->pcie_err_status; rc_status->status_valid |= PCIE_ERR_STATUS_VALID; } if (err_pkt->pec_descr.U) { rc_status->ue_status = err_pkt->ue_reg_status; rc_status->status_valid |= UE_STATUS_VALID; } if (err_pkt->pec_descr.H) { rc_status->ue_hdr1 = err_pkt->hdr[0]; rc_status->status_valid |= UE_HDR1_VALID; } if (err_pkt->pec_descr.I) { rc_status->ue_hdr2 = err_pkt->hdr[1]; rc_status->status_valid |= UE_HDR2_VALID; } /* ue_fst_err_ptr - not available for sun4v?? */ if (err_pkt->pec_descr.S) { rc_status->source_id = err_pkt->err_src_reg; rc_status->status_valid |= SOURCE_ID_VALID; } if (err_pkt->pec_descr.R) { rc_status->root_err_status = err_pkt->root_err_status; rc_status->status_valid |= CE_STATUS_VALID; } } #endif /*ARGSUSED*/ int px_lib_pmctl(int cmd, px_t *px_p) { return (DDI_FAILURE); } /*ARGSUSED*/ uint_t px_pmeq_intr(caddr_t arg) { return (DDI_INTR_CLAIMED); } /* * fetch the config space base addr of the root complex * note this depends on px structure being initialized */ uint64_t px_lib_get_cfgacc_base(dev_info_t *dip) { int instance = DIP_TO_INST(dip); px_t *px_p = INST_TO_STATE(instance); return (px_p->px_dev_hdl); } void px_panic_domain(px_t *px_p, pcie_req_id_t bdf) { uint64_t ret; dev_info_t *dip = px_p->px_dip; DBG(DBG_ERR_INTR, dip, "px_panic_domain: handle 0x%lx, ino %d, " "bdf<<8 0x%lx\n", (uint64_t)DIP_TO_HANDLE(dip), px_p->px_cb_fault.px_intr_ino, (pci_device_t)bdf << 8); if ((ret = pci_error_send(DIP_TO_HANDLE(dip), px_p->px_cb_fault.px_intr_ino, (pci_device_t)bdf << 8)) != H_EOK) { DBG(DBG_ERR_INTR, dip, "pci_error_send failed, ret 0x%lx\n", ret); } else DBG(DBG_ERR_INTR, dip, "pci_error_send worked\n"); } /*ARGSUSED*/ int px_lib_hotplug_init(dev_info_t *dip, void *arg) { return (DDI_ENOTSUP); } /*ARGSUSED*/ void px_lib_hotplug_uninit(dev_info_t *dip) { } /*ARGSUSED*/ void px_hp_intr_redist(px_t *px_p) { } /* Dummy cpr add callback */ /*ARGSUSED*/ void px_cpr_add_callb(px_t *px_p) { } /* Dummy cpr rem callback */ /*ARGSUSED*/ void px_cpr_rem_callb(px_t *px_p) { } /*ARGSUSED*/ boolean_t px_lib_is_in_drain_state(px_t *px_p) { return (B_FALSE); } /* * There is no IOAPI to get the BDF of the pcie root port nexus at this moment. * Assume it is 0x0000, until otherwise noted. For now, all sun4v platforms * have programmed the BDF to be 0x0000. */ /*ARGSUSED*/ pcie_req_id_t px_lib_get_bdf(px_t *px_p) { return (0x0000); } int px_lib_get_root_complex_mps(px_t *px_p, dev_info_t *dip, int *mps) { pci_device_t bdf = px_lib_get_bdf(px_p); if (hvio_get_rp_mps_cap(DIP_TO_HANDLE(dip), bdf, mps) == H_EOK) return (DDI_SUCCESS); else return (DDI_FAILURE); } int px_lib_set_root_complex_mps(px_t *px_p, dev_info_t *dip, int mps) { pci_device_t bdf = px_lib_get_bdf(px_p); if (hvio_set_rp_mps(DIP_TO_HANDLE(dip), bdf, mps) == H_EOK) return (DDI_SUCCESS); else return (DDI_FAILURE); } static int px_lib_do_count_waiting_dev(dev_info_t *dip, void *arg) { int *count = (int *)arg; dev_info_t *cdip = ddi_get_child(dip); while (cdip != NULL) { /* check if this is an assigned device */ if (ddi_prop_exists(DDI_DEV_T_NONE, cdip, DDI_PROP_DONTPASS, "ddi-assigned")) { DBG(DBG_ATTACH, dip, "px_lib_do_count_waiting_dev: " "Found an assigned dev %p, under bridge %p", cdip, dip); /* * Mark this bridge as needing waiting for * CHILD_LOANED will be removed after bridge reports * its readyness back to px driver */ if (ddi_prop_update_int(DDI_DEV_T_NONE, dip, CHILD_LOANED, 1) == DDI_PROP_SUCCESS) (*count)++; break; } cdip = ddi_get_next_sibling(cdip); } return (DDI_WALK_CONTINUE); } static int px_lib_count_waiting_dev(dev_info_t *dip) { int circular_count; int count = 0; /* No need to continue if this system is not SDIO capable */ if (px_sdio_users == 0) return (0); /* see if px iteslf has assigned children */ (void) px_lib_do_count_waiting_dev(dip, &count); /* scan dev under this px */ ndi_devi_enter(dip, &circular_count); ddi_walk_devs(ddi_get_child(dip), px_lib_do_count_waiting_dev, &count); ndi_devi_exit(dip, circular_count); return (count); } /* Called from px/bridge driver directly to report its readyness */ int px_lib_fabric_sync(dev_info_t *dip) { px_t *px; dev_info_t *rcdip; int waitdev; /* No need to continue if this system is not SDIO capable */ if (px_sdio_users == 0) return (DDI_SUCCESS); /* a valid bridge w/ assigned dev under it? */ if (ddi_prop_remove(DDI_DEV_T_NONE, dip, CHILD_LOANED) != DDI_PROP_SUCCESS) return (DDI_FAILURE); /* find out RC dip */ for (rcdip = dip; rcdip != NULL; rcdip = ddi_get_parent(rcdip)) { if (PCIE_DIP2BUS(rcdip) && PCIE_IS_RC(PCIE_DIP2BUS(rcdip))) break; } if ((rcdip == NULL) || ((px = (px_t *)DIP_TO_STATE(rcdip)) == NULL)) return (DDI_FAILURE); /* are we ready? */ waitdev = (int)(uintptr_t)px->px_plat_p; ASSERT(waitdev); DBG(DBG_CTLOPS, rcdip, "px_lib_fabric_sync: " "Px/bridge %p is ready, %d left", rcdip, waitdev - 1); --waitdev; px->px_plat_p = (void *)(uintptr_t)waitdev; if (waitdev != 0) return (DDI_SUCCESS); /* notify hpyervisor */ DBG(DBG_CTLOPS, rcdip, "px_lib_fabric_sync: " "Notifying HV that RC %p is ready users=%d", rcdip, px_sdio_users); if (pci_iov_root_configured(px->px_dev_hdl) != H_EOK) return (DDI_FAILURE); return (DDI_SUCCESS); }