/* * 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 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "px_lib4v.h" #include "px_err.h" /* 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_min_ver; /* Negotiated VPCI API minor version */ static uint_t px_vpci_users = 0; /* VPCI API users */ static hsvc_info_t px_hsvc = { HSVC_REV_1, NULL, HSVC_GROUP_VPCI, PX_VPCI_MAJOR_VER, PX_VPCI_MINOR_VER, "PX" }; int px_lib_dev_init(dev_info_t *dip, devhandle_t *dev_hdl) { px_nexus_regspec_t *rp; uint_t reglen; int ret; DBG(DBG_ATTACH, dip, "px_lib_dev_init: dip 0x%p\n", dip); 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), PCIHP_AP_MINOR_NUM(ddi_get_instance(dip), PCIHP_DEVCTL_MINOR)), dip, PCI_BUS_CONF_MAP_PROP, 1); DBG(DBG_ATTACH, dip, "px_lib_dev_init: dev_hdl 0x%llx\n", *dev_hdl); /* * Negotiate the API version for VPCI hypervisor services. */ if (px_vpci_users++) return (DDI_SUCCESS); if ((ret = hsvc_register(&px_hsvc, &px_vpci_min_ver)) != 0) { cmn_err(CE_WARN, "%s: cannot negotiate hypervisor services " "group: 0x%lx major: 0x%lx minor: 0x%lx errno: %d\n", px_hsvc.hsvc_modname, px_hsvc.hsvc_group, px_hsvc.hsvc_major, px_hsvc.hsvc_minor, ret); return (DDI_FAILURE); } DBG(DBG_ATTACH, dip, "px_lib_dev_init: negotiated VPCI API version, " "major 0x%lx minor 0x%lx\n", px_hsvc.hsvc_major, px_vpci_min_ver); 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), PCIHP_AP_MINOR_NUM(ddi_get_instance(dip), PCIHP_DEVCTL_MINOR)), dip, PCI_BUS_CONF_MAP_PROP); if (--px_vpci_users == 0) (void) hsvc_unregister(&px_hsvc); 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); if ((ret = hvio_intr_settarget(sysino, cpuid)) != 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_ib_ino_info_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) { 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%x 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)); 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%x " "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%x r_addr 0x%llx\n", *attr_p, *r_addr_p); return (DDI_SUCCESS); } /* * 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(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%x\n", dip, ra, attr); 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); } /*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; px_dvma_addr_t dvma_addr, pg_off; size_t num_sync; uint64_t status = H_EOK; 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; pg_off = mp->dmai_offset; /* start min */ dvma_addr = MAX(off, pg_off); /* lo */ pg_off += mp->dmai_size; /* end max */ pg_off = MIN(off + len, pg_off); /* hi */ if (dvma_addr >= pg_off) { /* lo >= hi ? */ cmn_err(CE_WARN, "%s%d: %lx + %lx out of window [%lx,%lx]", ddi_driver_name(rdip), ddi_get_instance(rdip), off, len, mp->dmai_offset, mp->dmai_offset + mp->dmai_size); return (DDI_FAILURE); } len = pg_off - dvma_addr; /* sz = hi - lo */ dvma_addr += mp->dmai_mapping; /* start addr */ if (mp->dmai_rflags & DDI_DMA_READ) sync_dir = HVIO_DMA_SYNC_DIR_FROM_DEV; else sync_dir = HVIO_DMA_SYNC_DIR_TO_DEV; for (; ((len > 0) && (status == H_EOK)); len -= num_sync) { status = hvio_dma_sync(DIP_TO_HANDLE(dip), dvma_addr, len, sync_dir, &num_sync); dvma_addr += num_sync; } return ((status == H_EOK) ? DDI_SUCCESS : DDI_FAILURE); } /* * 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; uint64_t *msiq_addr, 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_addr = (uint64_t *)(((uint64_t)msiq_state_p->msiq_buf_p + (MMU_PAGE_SIZE - 1)) >> MMU_PAGE_SHIFT << MMU_PAGE_SHIFT); msiq_size = msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t); for (i = 0; i < msiq_state_p->msiq_cnt; i++) { ra = (r_addr_t)va_to_pa((caddr_t)msiq_addr + (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) { DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_fini: dip 0x%p\n", dip); 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, px_msiq_t *msiq_p, msiq_rec_t *msiq_rec_p) { msiq_rec_t *curr_msiq_rec_p = (msiq_rec_t *)msiq_p->msiq_curr; DBG(DBG_LIB_MSIQ, dip, "px_lib_get_msiq_rec: dip 0x%p\n", dip); if (!curr_msiq_rec_p->msiq_rec_type) return; *msiq_rec_p = *curr_msiq_rec_p; /* 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*/ uint64_t px_lib_get_cb(dev_info_t *dip) { return (DDI_SUCCESS); } /*ARGSUSED*/ void px_lib_set_cb(dev_info_t *dip, uint64_t val) { /* Noop */ } /*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; uint32_t pci_dev_addr = px_pvt->raddr; uint32_t vaddr = px_pvt->vaddr; uint16_t off = (uint16_t)(uintptr_t)(addr - vaddr) & 0xfff; uint32_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); return (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) { 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); } 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) { ddi_acc_impl_t *hp = (ddi_acc_impl_t *)handle; px_cb_t *cb_p = px_p->px_cb_p; ddi_fm_error_t derr; 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; mutex_enter(&cb_p->xbc_fm_mutex); (void) ndi_fm_handler_dispatch(px_p->px_dip, NULL, &derr); mutex_exit(&cb_p->xbc_fm_mutex); } #ifdef DEBUG int px_peekfault_cnt = 0; int px_pokefault_cnt = 0; #endif /* DEBUG */ static int px_lib_bdf_from_dip(dev_info_t *rdip, uint32_t *bdf) { /* Start with an array of 8 reg spaces for now to cover most devices. */ pci_regspec_t regspec_array[8]; pci_regspec_t *regspec = regspec_array; int buflen = sizeof (regspec_array); boolean_t kmalloced = B_FALSE; int status; status = ddi_getlongprop_buf(DDI_DEV_T_ANY, rdip, DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen); /* If need more space, fallback to kmem_alloc. */ if (status == DDI_PROP_BUF_TOO_SMALL) { regspec = kmem_alloc(buflen, KM_SLEEP); status = ddi_getlongprop_buf(DDI_DEV_T_ANY, rdip, DDI_PROP_DONTPASS, "reg", (caddr_t)regspec, &buflen); kmalloced = B_TRUE; } /* Get phys_hi from first element. All have same bdf. */ if (status == DDI_PROP_SUCCESS) *bdf = regspec->pci_phys_hi & (PCI_REG_BDFR_M ^ PCI_REG_REG_M); if (kmalloced) kmem_free(regspec, buflen); return ((status == DDI_PROP_SUCCESS) ? DDI_SUCCESS : DDI_FAILURE); } /* * 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 bdf; uint32_t wrt_stat; r_addr_t ra; uint64_t pokeval; /* * Used only to notify error handling peek/poke is occuring * One scenario is when a fabric err as a result of peek/poke. * However there is no way to guarantee that the fabric error * handler will occur in the window where otd is set. */ on_trap_data_t otd; if (px_lib_bdf_from_dip(rdip, &bdf) != DDI_SUCCESS) { DBG(DBG_LIB_DMA, px_p->px_dip, "poke: px_lib_bdf_from_dip failed\n"); err = DDI_FAILURE; goto done; } 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; } pec_p->pec_ontrap_data = &otd; hvio_poke_status = hvio_poke(px_p->px_dev_hdl, ra, size, pokeval, bdf, &wrt_stat); if (otd.ot_trap & OT_DATA_ACCESS) err = DDI_FAILURE; 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)); 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; /* * Used only to notify error handling peek/poke is occuring * One scenario is when a fabric err as a result of peek/poke. * However there is no way to guarantee that the fabric error * handler will occur in the window where otd is set. */ on_trap_data_t otd; 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; } pec_p->pec_ontrap_data = &otd; 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)); /* 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) { int ret; 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"); ret = add_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL, px_fault_p->px_err_func, (caddr_t)px_fault_p, (caddr_t)&px_fault_p->px_intr_payload[0]); if (ret != DDI_SUCCESS) { DBG(DBG_LIB_INT, px_p->px_dip, "add_ivintr returns %d, faultp: %p", ret, px_fault_p); return (ret); } 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 (ret); } /* 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); rem_ivintr(px_fault_p->px_fh_sysino, NULL); } #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); } /* * Unprotected raw reads/writes of fabric device's config space. * Only used for temporary PCI-E Fabric Error Handling. */ uint32_t px_fab_get(px_t *px_p, pcie_req_id_t bdf, uint16_t offset) { uint32_t data = 0; (void) hvio_config_get(px_p->px_dev_hdl, (bdf << PX_RA_BDF_SHIFT), offset, 4, (pci_cfg_data_t *)&data); return (data); } void px_fab_set(px_t *px_p, pcie_req_id_t bdf, uint16_t offset, uint32_t val) { pci_cfg_data_t wdata = { 0 }; wdata.qw = (uint32_t)val; (void) hvio_config_put(px_p->px_dev_hdl, (bdf << PX_RA_BDF_SHIFT), offset, 4, wdata); } /*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) { } /* 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) { }