/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (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 2005 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 #include "px_tools_var.h" #include #include #include #include "px_lib4u.h" #include "px_err.h" #pragma weak jbus_stst_order extern void jbus_stst_order(); ulong_t px_mmu_dvma_end = 0xfffffffful; uint_t px_ranges_phi_mask = 0xfffffffful; static int px_goto_l23ready(px_t *px_p); static int px_goto_l0(px_t *px_p); static int px_pre_pwron_check(px_t *px_p); static uint32_t px_identity_chip(px_t *px_p); static void px_lib_clr_errs(px_t *px_p, px_pec_t *pec_p); /* * px_lib_map_registers * * This function is called from the attach routine to map the registers * accessed by this driver. * * used by: px_attach() * * return value: DDI_FAILURE on failure */ int px_lib_map_regs(pxu_t *pxu_p, dev_info_t *dip) { ddi_device_acc_attr_t attr; px_reg_bank_t reg_bank = PX_REG_CSR; DBG(DBG_ATTACH, dip, "px_lib_map_regs: pxu_p:0x%p, dip 0x%p\n", pxu_p, dip); attr.devacc_attr_version = DDI_DEVICE_ATTR_V0; attr.devacc_attr_dataorder = DDI_STRICTORDER_ACC; attr.devacc_attr_endian_flags = DDI_NEVERSWAP_ACC; /* * PCI CSR Base */ if (ddi_regs_map_setup(dip, reg_bank, &pxu_p->px_address[reg_bank], 0, 0, &attr, &pxu_p->px_ac[reg_bank]) != DDI_SUCCESS) { goto fail; } reg_bank++; /* * XBUS CSR Base */ if (ddi_regs_map_setup(dip, reg_bank, &pxu_p->px_address[reg_bank], 0, 0, &attr, &pxu_p->px_ac[reg_bank]) != DDI_SUCCESS) { goto fail; } pxu_p->px_address[reg_bank] -= FIRE_CONTROL_STATUS; done: for (; reg_bank >= PX_REG_CSR; reg_bank--) { DBG(DBG_ATTACH, dip, "reg_bank 0x%x address 0x%p\n", reg_bank, pxu_p->px_address[reg_bank]); } return (DDI_SUCCESS); fail: cmn_err(CE_WARN, "%s%d: unable to map reg entry %d\n", ddi_driver_name(dip), ddi_get_instance(dip), reg_bank); for (reg_bank--; reg_bank >= PX_REG_CSR; reg_bank--) { pxu_p->px_address[reg_bank] = NULL; ddi_regs_map_free(&pxu_p->px_ac[reg_bank]); } return (DDI_FAILURE); } /* * px_lib_unmap_regs: * * This routine unmaps the registers mapped by map_px_registers. * * used by: px_detach(), and error conditions in px_attach() * * return value: none */ void px_lib_unmap_regs(pxu_t *pxu_p) { int i; for (i = 0; i < PX_REG_MAX; i++) { if (pxu_p->px_ac[i]) ddi_regs_map_free(&pxu_p->px_ac[i]); } } int px_lib_dev_init(dev_info_t *dip, devhandle_t *dev_hdl) { px_t *px_p = DIP_TO_STATE(dip); caddr_t xbc_csr_base, csr_base; px_dvma_range_prop_t px_dvma_range; uint32_t chip_id; pxu_t *pxu_p; DBG(DBG_ATTACH, dip, "px_lib_dev_init: dip 0x%p\n", dip); if ((chip_id = px_identity_chip(px_p)) == PX_CHIP_UNIDENTIFIED) return (DDI_FAILURE); switch (chip_id) { case FIRE_VER_10: cmn_err(CE_WARN, "FIRE Hardware Version 1.0 is not supported"); return (DDI_FAILURE); case FIRE_VER_20: DBG(DBG_ATTACH, dip, "FIRE Hardware Version 2.0\n"); break; default: cmn_err(CE_WARN, "%s%d: FIRE Hardware Version Unknown\n", ddi_driver_name(dip), ddi_get_instance(dip)); return (DDI_FAILURE); } /* * Allocate platform specific structure and link it to * the px state structure. */ pxu_p = kmem_zalloc(sizeof (pxu_t), KM_SLEEP); pxu_p->chip_id = chip_id; pxu_p->portid = ddi_getprop(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "portid", -1); /* Map in the registers */ if (px_lib_map_regs(pxu_p, dip) == DDI_FAILURE) { kmem_free(pxu_p, sizeof (pxu_t)); return (DDI_FAILURE); } xbc_csr_base = (caddr_t)pxu_p->px_address[PX_REG_XBC]; csr_base = (caddr_t)pxu_p->px_address[PX_REG_CSR]; pxu_p->tsb_cookie = iommu_tsb_alloc(pxu_p->portid); pxu_p->tsb_size = iommu_tsb_cookie_to_size(pxu_p->tsb_cookie); pxu_p->tsb_vaddr = iommu_tsb_cookie_to_va(pxu_p->tsb_cookie); /* * Create "virtual-dma" property to support child devices * needing to know DVMA range. */ px_dvma_range.dvma_base = (uint32_t)px_mmu_dvma_end + 1 - ((pxu_p->tsb_size >> 3) << MMU_PAGE_SHIFT); px_dvma_range.dvma_len = (uint32_t) px_mmu_dvma_end - px_dvma_range.dvma_base + 1; (void) ddi_prop_create(DDI_DEV_T_NONE, dip, DDI_PROP_CANSLEEP, "virtual-dma", (caddr_t)&px_dvma_range, sizeof (px_dvma_range_prop_t)); /* * Initilize all fire hardware specific blocks. */ hvio_cb_init(xbc_csr_base, pxu_p); hvio_ib_init(csr_base, pxu_p); hvio_pec_init(csr_base, pxu_p); hvio_mmu_init(csr_base, pxu_p); px_p->px_plat_p = (void *)pxu_p; /* * Initialize all the interrupt handlers */ px_err_reg_enable(px_p, PX_ERR_JBC); px_err_reg_enable(px_p, PX_ERR_MMU); px_err_reg_enable(px_p, PX_ERR_IMU); px_err_reg_enable(px_p, PX_ERR_TLU_UE); px_err_reg_enable(px_p, PX_ERR_TLU_CE); px_err_reg_enable(px_p, PX_ERR_TLU_OE); px_err_reg_enable(px_p, PX_ERR_ILU); px_err_reg_enable(px_p, PX_ERR_LPU_LINK); px_err_reg_enable(px_p, PX_ERR_LPU_PHY); px_err_reg_enable(px_p, PX_ERR_LPU_RX); px_err_reg_enable(px_p, PX_ERR_LPU_TX); px_err_reg_enable(px_p, PX_ERR_LPU_LTSSM); px_err_reg_enable(px_p, PX_ERR_LPU_GIGABLZ); /* Initilize device handle */ *dev_hdl = (devhandle_t)csr_base; DBG(DBG_ATTACH, dip, "px_lib_dev_init: dev_hdl 0x%llx\n", *dev_hdl); return (DDI_SUCCESS); } int px_lib_dev_fini(dev_info_t *dip) { px_t *px_p = DIP_TO_STATE(dip); pxu_t *pxu_p = (pxu_t *)px_p->px_plat_p; DBG(DBG_DETACH, dip, "px_lib_dev_fini: dip 0x%p\n", dip); /* * Deinitialize all the interrupt handlers */ px_err_reg_disable(px_p, PX_ERR_JBC); px_err_reg_disable(px_p, PX_ERR_MMU); px_err_reg_disable(px_p, PX_ERR_IMU); px_err_reg_disable(px_p, PX_ERR_TLU_UE); px_err_reg_disable(px_p, PX_ERR_TLU_CE); px_err_reg_disable(px_p, PX_ERR_TLU_OE); px_err_reg_disable(px_p, PX_ERR_ILU); px_err_reg_disable(px_p, PX_ERR_LPU_LINK); px_err_reg_disable(px_p, PX_ERR_LPU_PHY); px_err_reg_disable(px_p, PX_ERR_LPU_RX); px_err_reg_disable(px_p, PX_ERR_LPU_TX); px_err_reg_disable(px_p, PX_ERR_LPU_LTSSM); px_err_reg_disable(px_p, PX_ERR_LPU_GIGABLZ); iommu_tsb_free(pxu_p->tsb_cookie); px_lib_unmap_regs((pxu_t *)px_p->px_plat_p); kmem_free(px_p->px_plat_p, sizeof (pxu_t)); px_p->px_plat_p = NULL; return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_intr_devino_to_sysino(dev_info_t *dip, devino_t devino, sysino_t *sysino) { px_t *px_p = DIP_TO_STATE(dip); pxu_t *pxu_p = (pxu_t *)px_p->px_plat_p; 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), pxu_p, 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(DIP_TO_HANDLE(dip), sysino, 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(DIP_TO_HANDLE(dip), 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(DIP_TO_HANDLE(dip), sysino, 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(DIP_TO_HANDLE(dip), 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(DIP_TO_HANDLE(dip), 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(DIP_TO_HANDLE(dip), 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) { devino_t ino; sysino_t sysino; DBG(DBG_LIB_INT, dip, "px_lib_intr_reset: dip 0x%p\n", dip); /* Reset all Interrupts */ for (ino = 0; ino < INTERRUPT_MAPPING_ENTRIES; ino++) { if (px_lib_intr_devino_to_sysino(dip, ino, &sysino) != DDI_SUCCESS) return (BF_FATAL); if (px_lib_intr_setstate(dip, sysino, INTR_IDLE_STATE) != DDI_SUCCESS) return (BF_FATAL); } return (BF_NONE); } /*ARGSUSED*/ int px_lib_iommu_map(dev_info_t *dip, tsbid_t tsbid, pages_t pages, io_attributes_t io_attributes, void *addr, size_t pfn_index, int flag) { px_t *px_p = DIP_TO_STATE(dip); pxu_t *pxu_p = (pxu_t *)px_p->px_plat_p; uint64_t ret; DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map: dip 0x%p tsbid 0x%llx " "pages 0x%x atrr 0x%x addr 0x%p pfn_index 0x%llx, flag 0x%x\n", dip, tsbid, pages, io_attributes, addr, pfn_index, flag); if ((ret = hvio_iommu_map(px_p->px_dev_hdl, pxu_p, tsbid, pages, io_attributes, addr, pfn_index, flag)) != H_EOK) { DBG(DBG_LIB_DMA, dip, "px_lib_iommu_map failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_iommu_demap(dev_info_t *dip, tsbid_t tsbid, pages_t pages) { px_t *px_p = DIP_TO_STATE(dip); pxu_t *pxu_p = (pxu_t *)px_p->px_plat_p; 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); if ((ret = hvio_iommu_demap(px_p->px_dev_hdl, pxu_p, tsbid, pages)) != H_EOK) { DBG(DBG_LIB_DMA, dip, "px_lib_iommu_demap failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_iommu_getmap(dev_info_t *dip, tsbid_t tsbid, io_attributes_t *attributes_p, r_addr_t *r_addr_p) { px_t *px_p = DIP_TO_STATE(dip); pxu_t *pxu_p = (pxu_t *)px_p->px_plat_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), pxu_p, tsbid, attributes_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", *attributes_p, *r_addr_p); return (DDI_SUCCESS); } /* * Checks dma attributes against system bypass ranges * The bypass range is determined by the hardware. Return them so the * common code can do generic checking against them. */ /*ARGSUSED*/ int px_lib_dma_bypass_rngchk(ddi_dma_attr_t *attrp, uint64_t *lo_p, uint64_t *hi_p) { *lo_p = MMU_BYPASS_BASE; *hi_p = MMU_BYPASS_END; return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_iommu_getbypass(dev_info_t *dip, r_addr_t ra, io_attributes_t io_attributes, 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, io_attributes); if ((ret = hvio_iommu_getbypass(DIP_TO_HANDLE(dip), ra, io_attributes, io_addr_p)) != H_EOK) { DBG(DBG_LIB_DMA, dip, "hvio_iommu_getbypass failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_DMA, dip, "px_lib_iommu_getbypass: io_addr 0x%llx\n", *io_addr_p); return (DDI_SUCCESS); } /* * bus dma sync entry point. */ /*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; 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); /* * jbus_stst_order is found only in certain cpu modules. * Just return success if not present. */ if (&jbus_stst_order == NULL) return (DDI_SUCCESS); if (!(mp->dmai_flags & 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 & DMAI_FLAGS_NOSYNC) return (DDI_SUCCESS); /* * No flush needed when sending data from memory to device. * Nothing to do to "sync" memory to what device would already see. */ if (!(mp->dmai_rflags & DDI_DMA_READ) || ((cache_flags & PX_DMA_SYNC_DDI_FLAGS) == DDI_DMA_SYNC_FORDEV)) return (DDI_SUCCESS); /* * Perform necessary cpu workaround to ensure jbus ordering. * CPU's internal "invalidate FIFOs" are flushed. */ #if !defined(lint) kpreempt_disable(); #endif jbus_stst_order(); #if !defined(lint) kpreempt_enable(); #endif return (DDI_SUCCESS); } /* * MSIQ Functions: */ /*ARGSUSED*/ int px_lib_msiq_init(dev_info_t *dip) { px_t *px_p = DIP_TO_STATE(dip); pxu_t *pxu_p = (pxu_t *)px_p->px_plat_p; px_msiq_state_t *msiq_state_p = &px_p->px_ib_p->ib_msiq_state; caddr_t msiq_addr; px_dvma_addr_t pg_index; size_t size; int ret; DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_init: dip 0x%p\n", dip); /* * Map the EQ memory into the Fire MMU (has to be 512KB aligned) * and then initialize the base address register. * * Allocate entries from Fire IOMMU so that the resulting address * is properly aligned. Calculate the index of the first allocated * entry. Note: The size of the mapping is assumed to be a multiple * of the page size. */ msiq_addr = (caddr_t)(((uint64_t)msiq_state_p->msiq_buf_p + (MMU_PAGE_SIZE - 1)) >> MMU_PAGE_SHIFT << MMU_PAGE_SHIFT); size = msiq_state_p->msiq_cnt * msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t); pxu_p->msiq_mapped_p = vmem_xalloc(px_p->px_mmu_p->mmu_dvma_map, size, (512 * 1024), 0, 0, NULL, NULL, VM_NOSLEEP | VM_BESTFIT); if (pxu_p->msiq_mapped_p == NULL) return (DDI_FAILURE); pg_index = MMU_PAGE_INDEX(px_p->px_mmu_p, MMU_BTOP((ulong_t)pxu_p->msiq_mapped_p)); if ((ret = px_lib_iommu_map(px_p->px_dip, PCI_TSBID(0, pg_index), MMU_BTOP(size), PCI_MAP_ATTR_WRITE, (void *)msiq_addr, 0, MMU_MAP_BUF)) != DDI_SUCCESS) { DBG(DBG_LIB_MSIQ, dip, "hvio_msiq_init failed, ret 0x%lx\n", ret); (void) px_lib_msiq_fini(dip); return (DDI_FAILURE); } (void) hvio_msiq_init(DIP_TO_HANDLE(dip), pxu_p); return (DDI_SUCCESS); } /*ARGSUSED*/ int px_lib_msiq_fini(dev_info_t *dip) { px_t *px_p = DIP_TO_STATE(dip); pxu_t *pxu_p = (pxu_t *)px_p->px_plat_p; px_msiq_state_t *msiq_state_p = &px_p->px_ib_p->ib_msiq_state; px_dvma_addr_t pg_index; size_t size; DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_fini: dip 0x%p\n", dip); /* * Unmap and free the EQ memory that had been mapped * into the Fire IOMMU. */ size = msiq_state_p->msiq_cnt * msiq_state_p->msiq_rec_cnt * sizeof (msiq_rec_t); pg_index = MMU_PAGE_INDEX(px_p->px_mmu_p, MMU_BTOP((ulong_t)pxu_p->msiq_mapped_p)); (void) px_lib_iommu_demap(px_p->px_dip, PCI_TSBID(0, pg_index), MMU_BTOP(size)); /* Free the entries from the Fire MMU */ vmem_xfree(px_p->px_mmu_p->mmu_dvma_map, (void *)pxu_p->msiq_mapped_p, 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) { 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; size_t msiq_size; DBG(DBG_LIB_MSIQ, dip, "px_msiq_info: dip 0x%p msiq_id 0x%x\n", dip, msiq_id); 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); ra_p = (r_addr_t *)((caddr_t)msiq_addr + (msiq_id * msiq_size)); *msiq_rec_cnt_p = msiq_state_p->msiq_rec_cnt; 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) { 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)) != H_EOK) { DBG(DBG_LIB_MSIQ, dip, "hvio_msiq_gethead failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gethead: msiq_head 0x%x\n", *msiq_head); 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)) != 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) { 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)) != H_EOK) { DBG(DBG_LIB_MSIQ, dip, "hvio_msiq_gettail failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } DBG(DBG_LIB_MSIQ, dip, "px_lib_msiq_gettail: msiq_tail 0x%x\n", *msiq_tail); 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) { eq_rec_t *eq_rec_p = (eq_rec_t *)msiq_p->msiq_curr; DBG(DBG_LIB_MSIQ, dip, "px_lib_get_msiq_rec: dip 0x%p eq_rec_p 0x%p\n", dip, eq_rec_p); if (!eq_rec_p->eq_rec_fmt_type) { /* Set msiq_rec_type to zero */ msiq_rec_p->msiq_rec_type = 0; return; } DBG(DBG_LIB_MSIQ, dip, "px_lib_get_msiq_rec: EQ RECORD, " "eq_rec_rid 0x%llx eq_rec_fmt_type 0x%llx " "eq_rec_len 0x%llx eq_rec_addr0 0x%llx " "eq_rec_addr1 0x%llx eq_rec_data0 0x%llx " "eq_rec_data1 0x%llx\n", eq_rec_p->eq_rec_rid, eq_rec_p->eq_rec_fmt_type, eq_rec_p->eq_rec_len, eq_rec_p->eq_rec_addr0, eq_rec_p->eq_rec_addr1, eq_rec_p->eq_rec_data0, eq_rec_p->eq_rec_data1); /* * Only upper 4 bits of eq_rec_fmt_type is used * to identify the EQ record type. */ switch (eq_rec_p->eq_rec_fmt_type >> 3) { case EQ_REC_MSI32: msiq_rec_p->msiq_rec_type = MSI32_REC; msiq_rec_p->msiq_rec_data.msi.msi_data = eq_rec_p->eq_rec_data0; break; case EQ_REC_MSI64: msiq_rec_p->msiq_rec_type = MSI64_REC; msiq_rec_p->msiq_rec_data.msi.msi_data = eq_rec_p->eq_rec_data0; break; case EQ_REC_MSG: msiq_rec_p->msiq_rec_type = MSG_REC; msiq_rec_p->msiq_rec_data.msg.msg_route = eq_rec_p->eq_rec_fmt_type & 7; msiq_rec_p->msiq_rec_data.msg.msg_targ = eq_rec_p->eq_rec_rid; msiq_rec_p->msiq_rec_data.msg.msg_code = eq_rec_p->eq_rec_data0; break; default: cmn_err(CE_WARN, "%s%d: px_lib_get_msiq_rec: " "0x%lx is an unknown EQ record type", ddi_driver_name(dip), ddi_get_instance(dip), eq_rec_p->eq_rec_fmt_type); break; } msiq_rec_p->msiq_rec_rid = eq_rec_p->eq_rec_rid; msiq_rec_p->msiq_rec_msi_addr = ((eq_rec_p->eq_rec_addr1 << 16) | (eq_rec_p->eq_rec_addr0 << 2)); /* Zero out eq_rec_fmt_type field */ eq_rec_p->eq_rec_fmt_type = 0; } /* * MSI Functions: */ /*ARGSUSED*/ int px_lib_msi_init(dev_info_t *dip) { px_t *px_p = DIP_TO_STATE(dip); px_msi_state_t *msi_state_p = &px_p->px_ib_p->ib_msi_state; uint64_t ret; DBG(DBG_LIB_MSI, dip, "px_lib_msi_init: dip 0x%p\n", dip); if ((ret = hvio_msi_init(DIP_TO_HANDLE(dip), msi_state_p->msi_addr32, msi_state_p->msi_addr64)) != H_EOK) { DBG(DBG_LIB_MSIQ, dip, "px_lib_msi_init failed, ret 0x%lx\n", ret); return (DDI_FAILURE); } 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)) != 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_msi_setstate: dip 0x%p msg_type 0x%x " "msiq_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 */ int px_lib_suspend(dev_info_t *dip) { px_t *px_p = DIP_TO_STATE(dip); pxu_t *pxu_p = (pxu_t *)px_p->px_plat_p; devhandle_t dev_hdl, xbus_dev_hdl; uint64_t ret; DBG(DBG_DETACH, dip, "px_lib_suspend: dip 0x%p\n", dip); dev_hdl = (devhandle_t)pxu_p->px_address[PX_REG_CSR]; xbus_dev_hdl = (devhandle_t)pxu_p->px_address[PX_REG_XBC]; if ((ret = hvio_suspend(dev_hdl, pxu_p)) == H_EOK) { px_p->px_cb_p->xbc_attachcnt--; if (px_p->px_cb_p->xbc_attachcnt == 0) if ((ret = hvio_cb_suspend(xbus_dev_hdl, pxu_p)) != H_EOK) px_p->px_cb_p->xbc_attachcnt++; } return ((ret != H_EOK) ? DDI_FAILURE: DDI_SUCCESS); } void px_lib_resume(dev_info_t *dip) { px_t *px_p = DIP_TO_STATE(dip); pxu_t *pxu_p = (pxu_t *)px_p->px_plat_p; devhandle_t dev_hdl, xbus_dev_hdl; devino_t pec_ino = px_p->px_inos[PX_INTR_PEC]; devino_t xbc_ino = px_p->px_inos[PX_INTR_XBC]; DBG(DBG_ATTACH, dip, "px_lib_resume: dip 0x%p\n", dip); dev_hdl = (devhandle_t)pxu_p->px_address[PX_REG_CSR]; xbus_dev_hdl = (devhandle_t)pxu_p->px_address[PX_REG_XBC]; px_p->px_cb_p->xbc_attachcnt++; if (px_p->px_cb_p->xbc_attachcnt == 1) hvio_cb_resume(dev_hdl, xbus_dev_hdl, xbc_ino, pxu_p); hvio_resume(dev_hdl, pec_ino, pxu_p); } /* * PCI tool Functions: * Currently unsupported by hypervisor */ /*ARGSUSED*/ int px_lib_tools_dev_reg_ops(dev_info_t *dip, void *arg, int cmd, int mode) { px_t *px_p = DIP_TO_STATE(dip); DBG(DBG_TOOLS, dip, "px_lib_tools_dev_reg_ops: dip 0x%p arg 0x%p " "cmd 0x%x mode 0x%x\n", dip, arg, cmd, mode); return (px_dev_reg_ops(dip, arg, cmd, mode, px_p)); } /*ARGSUSED*/ int px_lib_tools_bus_reg_ops(dev_info_t *dip, void *arg, int cmd, int mode) { DBG(DBG_TOOLS, dip, "px_lib_tools_bus_reg_ops: dip 0x%p arg 0x%p " "cmd 0x%x mode 0x%x\n", dip, arg, cmd, mode); return (px_bus_reg_ops(dip, arg, cmd, mode)); } /*ARGSUSED*/ int px_lib_tools_intr_admn(dev_info_t *dip, void *arg, int cmd, int mode) { px_t *px_p = DIP_TO_STATE(dip); DBG(DBG_TOOLS, dip, "px_lib_tools_intr_admn: dip 0x%p arg 0x%p " "cmd 0x%x mode 0x%x\n", dip, arg, cmd, mode); return (px_intr_admn(dip, arg, cmd, mode, px_p)); } /* * Misc Functions: * Currently unsupported by hypervisor */ uint64_t px_lib_get_cb(dev_info_t *dip) { px_t *px_p = DIP_TO_STATE(dip); pxu_t *pxu_p = (pxu_t *)px_p->px_plat_p; return (CSR_XR((caddr_t)pxu_p->px_address[PX_REG_XBC], JBUS_SCRATCH_1)); } void px_lib_set_cb(dev_info_t *dip, uint64_t val) { px_t *px_p = DIP_TO_STATE(dip); pxu_t *pxu_p = (pxu_t *)px_p->px_plat_p; CSR_XS((caddr_t)pxu_p->px_address[PX_REG_XBC], JBUS_SCRATCH_1, val); } /*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) { /* * No special config space access services in this layer. */ return (DDI_FAILURE); } static void px_lib_clr_errs(px_t *px_p, px_pec_t *pec_p) { dev_info_t *rpdip = px_p->px_dip; px_cb_t *cb_p = px_p->px_cb_p; int err = PX_OK, ret; int acctype = pec_p->pec_safeacc_type; ddi_fm_error_t derr; /* Create the derr */ bzero(&derr, sizeof (ddi_fm_error_t)); derr.fme_version = DDI_FME_VERSION; derr.fme_ena = fm_ena_generate(0, FM_ENA_FMT1); derr.fme_flag = acctype; if (acctype == DDI_FM_ERR_EXPECTED) { derr.fme_status = DDI_FM_NONFATAL; ndi_fm_acc_err_set(pec_p->pec_acc_hdl, &derr); } mutex_enter(&cb_p->xbc_fm_mutex); /* send ereport/handle/clear fire registers */ err = px_err_handle(px_p, &derr, PX_LIB_CALL, B_TRUE); /* Check all child devices for errors */ ret = ndi_fm_handler_dispatch(rpdip, NULL, &derr); mutex_exit(&cb_p->xbc_fm_mutex); /* * PX_FATAL_HW indicates a condition recovered from Fatal-Reset, * therefore it does not cause panic. */ if ((err & (PX_FATAL_GOS | PX_FATAL_SW)) || (ret == DDI_FM_FATAL)) fm_panic("Fatal System Port Error has occurred\n"); } #ifdef DEBUG int px_peekfault_cnt = 0; int px_pokefault_cnt = 0; #endif /* DEBUG */ /*ARGSUSED*/ static int px_lib_do_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; int err = DDI_SUCCESS; on_trap_data_t otd; mutex_enter(&pec_p->pec_pokefault_mutex); pec_p->pec_ontrap_data = &otd; pec_p->pec_safeacc_type = DDI_FM_ERR_POKE; /* Set up protected environment. */ if (!on_trap(&otd, OT_DATA_ACCESS)) { uintptr_t tramp = otd.ot_trampoline; otd.ot_trampoline = (uintptr_t)&poke_fault; err = do_poke(in_args->size, (void *)in_args->dev_addr, (void *)in_args->host_addr); otd.ot_trampoline = tramp; } else err = DDI_FAILURE; px_lib_clr_errs(px_p, pec_p); if (otd.ot_trap & OT_DATA_ACCESS) err = DDI_FAILURE; /* Take down protected environment. */ no_trap(); pec_p->pec_ontrap_data = NULL; pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED; mutex_exit(&pec_p->pec_pokefault_mutex); #ifdef DEBUG if (err == DDI_FAILURE) px_pokefault_cnt++; #endif return (err); } /*ARGSUSED*/ static int px_lib_do_caut_put(dev_info_t *dip, dev_info_t *rdip, peekpoke_ctlops_t *cautacc_ctlops_arg) { size_t size = cautacc_ctlops_arg->size; uintptr_t dev_addr = cautacc_ctlops_arg->dev_addr; uintptr_t host_addr = cautacc_ctlops_arg->host_addr; ddi_acc_impl_t *hp = (ddi_acc_impl_t *)cautacc_ctlops_arg->handle; size_t repcount = cautacc_ctlops_arg->repcount; uint_t flags = cautacc_ctlops_arg->flags; px_t *px_p = DIP_TO_STATE(dip); px_pec_t *pec_p = px_p->px_pec_p; int err = DDI_SUCCESS; /* * Note that i_ndi_busop_access_enter ends up grabbing the pokefault * mutex. */ i_ndi_busop_access_enter(hp->ahi_common.ah_dip, (ddi_acc_handle_t)hp); pec_p->pec_ontrap_data = (on_trap_data_t *)hp->ahi_err->err_ontrap; pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED; hp->ahi_err->err_expected = DDI_FM_ERR_EXPECTED; if (!i_ddi_ontrap((ddi_acc_handle_t)hp)) { for (; repcount; repcount--) { switch (size) { case sizeof (uint8_t): i_ddi_put8(hp, (uint8_t *)dev_addr, *(uint8_t *)host_addr); break; case sizeof (uint16_t): i_ddi_put16(hp, (uint16_t *)dev_addr, *(uint16_t *)host_addr); break; case sizeof (uint32_t): i_ddi_put32(hp, (uint32_t *)dev_addr, *(uint32_t *)host_addr); break; case sizeof (uint64_t): i_ddi_put64(hp, (uint64_t *)dev_addr, *(uint64_t *)host_addr); break; } host_addr += size; if (flags == DDI_DEV_AUTOINCR) dev_addr += size; px_lib_clr_errs(px_p, pec_p); if (pec_p->pec_ontrap_data->ot_trap & OT_DATA_ACCESS) { err = DDI_FAILURE; #ifdef DEBUG px_pokefault_cnt++; #endif break; } } } i_ddi_notrap((ddi_acc_handle_t)hp); pec_p->pec_ontrap_data = NULL; pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED; i_ndi_busop_access_exit(hp->ahi_common.ah_dip, (ddi_acc_handle_t)hp); hp->ahi_err->err_expected = DDI_FM_ERR_UNEXPECTED; return (err); } int px_lib_ctlops_poke(dev_info_t *dip, dev_info_t *rdip, peekpoke_ctlops_t *in_args) { return (in_args->handle ? px_lib_do_caut_put(dip, rdip, in_args) : px_lib_do_poke(dip, rdip, in_args)); } /*ARGSUSED*/ static int px_lib_do_peek(dev_info_t *dip, peekpoke_ctlops_t *in_args) { px_t *px_p = DIP_TO_STATE(dip); px_pec_t *pec_p = px_p->px_pec_p; int err = DDI_SUCCESS; on_trap_data_t otd; mutex_enter(&pec_p->pec_pokefault_mutex); pec_p->pec_safeacc_type = DDI_FM_ERR_PEEK; if (!on_trap(&otd, OT_DATA_ACCESS)) { uintptr_t tramp = otd.ot_trampoline; otd.ot_trampoline = (uintptr_t)&peek_fault; err = do_peek(in_args->size, (void *)in_args->dev_addr, (void *)in_args->host_addr); otd.ot_trampoline = tramp; } else err = DDI_FAILURE; no_trap(); pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED; mutex_exit(&pec_p->pec_pokefault_mutex); #ifdef DEBUG if (err == DDI_FAILURE) px_peekfault_cnt++; #endif return (err); } static int px_lib_do_caut_get(dev_info_t *dip, peekpoke_ctlops_t *cautacc_ctlops_arg) { size_t size = cautacc_ctlops_arg->size; uintptr_t dev_addr = cautacc_ctlops_arg->dev_addr; uintptr_t host_addr = cautacc_ctlops_arg->host_addr; ddi_acc_impl_t *hp = (ddi_acc_impl_t *)cautacc_ctlops_arg->handle; size_t repcount = cautacc_ctlops_arg->repcount; uint_t flags = cautacc_ctlops_arg->flags; px_t *px_p = DIP_TO_STATE(dip); px_pec_t *pec_p = px_p->px_pec_p; int err = DDI_SUCCESS; /* * Note that i_ndi_busop_access_enter ends up grabbing the pokefault * mutex. */ i_ndi_busop_access_enter(hp->ahi_common.ah_dip, (ddi_acc_handle_t)hp); pec_p->pec_ontrap_data = (on_trap_data_t *)hp->ahi_err->err_ontrap; pec_p->pec_safeacc_type = DDI_FM_ERR_EXPECTED; hp->ahi_err->err_expected = DDI_FM_ERR_EXPECTED; if (repcount == 1) { if (!i_ddi_ontrap((ddi_acc_handle_t)hp)) { i_ddi_caut_get(size, (void *)dev_addr, (void *)host_addr); } else { int i; uint8_t *ff_addr = (uint8_t *)host_addr; for (i = 0; i < size; i++) *ff_addr++ = 0xff; err = DDI_FAILURE; #ifdef DEBUG px_peekfault_cnt++; #endif } } else { if (!i_ddi_ontrap((ddi_acc_handle_t)hp)) { for (; repcount; repcount--) { i_ddi_caut_get(size, (void *)dev_addr, (void *)host_addr); host_addr += size; if (flags == DDI_DEV_AUTOINCR) dev_addr += size; } } else { err = DDI_FAILURE; #ifdef DEBUG px_peekfault_cnt++; #endif } } i_ddi_notrap((ddi_acc_handle_t)hp); pec_p->pec_ontrap_data = NULL; pec_p->pec_safeacc_type = DDI_FM_ERR_UNEXPECTED; i_ndi_busop_access_exit(hp->ahi_common.ah_dip, (ddi_acc_handle_t)hp); hp->ahi_err->err_expected = DDI_FM_ERR_UNEXPECTED; return (err); } /*ARGSUSED*/ int px_lib_ctlops_peek(dev_info_t *dip, dev_info_t *rdip, peekpoke_ctlops_t *in_args, void *result) { result = (void *)in_args->host_addr; return (in_args->handle ? px_lib_do_caut_get(dip, in_args) : px_lib_do_peek(dip, in_args)); } /* * implements PPM interface */ int px_lib_pmctl(int cmd, px_t *px_p) { ASSERT((cmd & ~PPMREQ_MASK) == PPMREQ); switch (cmd) { case PPMREQ_PRE_PWR_OFF: /* * Currently there is no device power management for * the root complex (fire). When there is we need to make * sure that it is at full power before trying to send the * PME_Turn_Off message. */ DBG(DBG_PWR, px_p->px_dip, "ioctl: request to send PME_Turn_Off\n"); return (px_goto_l23ready(px_p)); case PPMREQ_PRE_PWR_ON: DBG(DBG_PWR, px_p->px_dip, "ioctl: PRE_PWR_ON request\n"); return (px_pre_pwron_check(px_p)); case PPMREQ_POST_PWR_ON: DBG(DBG_PWR, px_p->px_dip, "ioctl: POST_PWR_ON request\n"); return (px_goto_l0(px_p)); default: return (DDI_FAILURE); } } #define MSEC_TO_USEC 1000 /* * sends PME_Turn_Off message to put the link in L2/L3 ready state. * called by px_ioctl. * returns DDI_SUCCESS or DDI_FAILURE * 1. Wait for link to be in L1 state (link status reg) * 2. write to PME_Turn_off reg to boradcast * 3. set timeout * 4. If timeout, return failure. * 5. If PM_TO_Ack, wait till link is in L2/L3 ready */ static int px_goto_l23ready(px_t *px_p) { pcie_pwr_t *pwr_p; pxu_t *pxu_p = (pxu_t *)px_p->px_plat_p; caddr_t csr_base = (caddr_t)pxu_p->px_address[PX_REG_CSR]; int ret = DDI_SUCCESS; clock_t end, timeleft; int mutex_held = 1; /* If no PM info, return failure */ if (!PCIE_PMINFO(px_p->px_dip) || !(pwr_p = PCIE_NEXUS_PMINFO(px_p->px_dip))) return (DDI_FAILURE); mutex_enter(&pwr_p->pwr_lock); mutex_enter(&px_p->px_l23ready_lock); /* Clear the PME_To_ACK receieved flag */ px_p->px_pm_flags &= ~PX_PMETOACK_RECVD; /* * When P25 is the downstream device, after receiving * PME_To_ACK, fire will go to Detect state, which causes * the link down event. Inform FMA that this is expected. * In case of all other cards complaint with the pci express * spec, this will happen when the power is re-applied. FMA * code will clear this flag after one instance of LDN. Since * there will not be a LDN event for the spec compliant cards, * we need to clear the flag after receiving PME_To_ACK. */ px_p->px_pm_flags |= PX_LDN_EXPECTED; if (px_send_pme_turnoff(csr_base) != DDI_SUCCESS) { ret = DDI_FAILURE; goto l23ready_done; } px_p->px_pm_flags |= PX_PME_TURNOFF_PENDING; end = ddi_get_lbolt() + drv_usectohz(px_pme_to_ack_timeout); while (!(px_p->px_pm_flags & PX_PMETOACK_RECVD)) { timeleft = cv_timedwait(&px_p->px_l23ready_cv, &px_p->px_l23ready_lock, end); /* * if cv_timedwait returns -1, it is either * 1) timed out or * 2) there was a pre-mature wakeup but by the time * cv_timedwait is called again end < lbolt i.e. * end is in the past. * 3) By the time we make first cv_timedwait call, * end < lbolt is true. */ if (timeleft == -1) break; } if (!(px_p->px_pm_flags & PX_PMETOACK_RECVD)) { /* * Either timedout or interrupt didn't get a * chance to grab the mutex and set the flag. * release the mutex and delay for sometime. * This will 1) give a chance for interrupt to * set the flag 2) creates a delay between two * consequetive requests. */ mutex_exit(&px_p->px_l23ready_lock); delay(drv_usectohz(50 * MSEC_TO_USEC)); mutex_held = 0; if (!(px_p->px_pm_flags & PX_PMETOACK_RECVD)) { ret = DDI_FAILURE; DBG(DBG_PWR, px_p->px_dip, " Timed out while waiting" " for PME_TO_ACK\n"); } } px_p->px_pm_flags &= ~(PX_PME_TURNOFF_PENDING | PX_PMETOACK_RECVD | PX_LDN_EXPECTED); l23ready_done: if (mutex_held) mutex_exit(&px_p->px_l23ready_lock); /* * Wait till link is in L1 idle, if sending PME_Turn_Off * was succesful. */ if (ret == DDI_SUCCESS) { if (px_link_wait4l1idle(csr_base) != DDI_SUCCESS) { DBG(DBG_PWR, px_p->px_dip, " Link is not at L1" " even though we received PME_To_ACK.\n"); /* * Workaround for hardware bug with P25. * Due to a hardware bug with P25, link state * will be Detect state rather than L1 after * link is transitioned to L23Ready state. Since * we don't know whether link is L23ready state * without Fire's state being L1_idle, we delay * here just to make sure that we wait till link * is transitioned to L23Ready state. */ delay(drv_usectohz(100 * MSEC_TO_USEC)); } pwr_p->pwr_link_lvl = PM_LEVEL_L3; } mutex_exit(&pwr_p->pwr_lock); return (ret); } /* * Message interrupt handler intended to be shared for both * PME and PME_TO_ACK msg handling, currently only handles * PME_To_ACK message. */ uint_t px_pmeq_intr(caddr_t arg) { px_t *px_p = (px_t *)arg; DBG(DBG_PWR, px_p->px_dip, " PME_To_ACK received \n"); mutex_enter(&px_p->px_l23ready_lock); cv_broadcast(&px_p->px_l23ready_cv); if (px_p->px_pm_flags & PX_PME_TURNOFF_PENDING) { px_p->px_pm_flags |= PX_PMETOACK_RECVD; } else { /* * This maybe the second ack received. If so then, * we should be receiving it during wait4L1 stage. */ px_p->px_pmetoack_ignored++; } mutex_exit(&px_p->px_l23ready_lock); return (DDI_INTR_CLAIMED); } static int px_pre_pwron_check(px_t *px_p) { pcie_pwr_t *pwr_p; /* If no PM info, return failure */ if (!PCIE_PMINFO(px_p->px_dip) || !(pwr_p = PCIE_NEXUS_PMINFO(px_p->px_dip))) return (DDI_FAILURE); /* * For the spec compliant downstream cards link down * is expected when the device is powered on. */ px_p->px_pm_flags |= PX_LDN_EXPECTED; return (pwr_p->pwr_link_lvl == PM_LEVEL_L3 ? DDI_SUCCESS : DDI_FAILURE); } static int px_goto_l0(px_t *px_p) { pcie_pwr_t *pwr_p; pxu_t *pxu_p = (pxu_t *)px_p->px_plat_p; caddr_t csr_base = (caddr_t)pxu_p->px_address[PX_REG_CSR]; int ret = DDI_SUCCESS; clock_t end, timeleft; int mutex_held = 1; /* If no PM info, return failure */ if (!PCIE_PMINFO(px_p->px_dip) || !(pwr_p = PCIE_NEXUS_PMINFO(px_p->px_dip))) return (DDI_FAILURE); mutex_enter(&pwr_p->pwr_lock); mutex_enter(&px_p->px_lupsoft_lock); /* Clear the LINKUP_RECVD receieved flag */ px_p->px_pm_flags &= ~PX_LINKUP_RECVD; /* * Set flags LUP_EXPECTED to inform FMA code that LUP is * expected as part of link training and no ereports should * be posted for this event. FMA code will clear this flag * after one instance of this event. In case of P25, there * will not be a LDN event. So clear the flag set at PRE_PWRON * time. */ px_p->px_pm_flags |= PX_LUP_EXPECTED; px_p->px_pm_flags &= ~PX_LDN_EXPECTED; if (px_link_retrain(csr_base) != DDI_SUCCESS) { ret = DDI_FAILURE; goto l0_done; } px_p->px_pm_flags |= PX_LINKUP_PENDING; end = ddi_get_lbolt() + drv_usectohz(px_linkup_timeout); while (!(px_p->px_pm_flags & PX_LINKUP_RECVD)) { timeleft = cv_timedwait(&px_p->px_lup_cv, &px_p->px_lupsoft_lock, end); /* * if cv_timedwait returns -1, it is either * 1) timed out or * 2) there was a pre-mature wakeup but by the time * cv_timedwait is called again end < lbolt i.e. * end is in the past. * 3) By the time we make first cv_timedwait call, * end < lbolt is true. */ if (timeleft == -1) break; } if (!(px_p->px_pm_flags & PX_LINKUP_RECVD)) { /* * Either timedout or interrupt didn't get a * chance to grab the mutex and set the flag. * release the mutex and delay for sometime. * This will 1) give a chance for interrupt to * set the flag 2) creates a delay between two * consequetive requests. */ mutex_exit(&px_p->px_lupsoft_lock); mutex_held = 0; delay(drv_usectohz(50 * MSEC_TO_USEC)); if (!(px_p->px_pm_flags & PX_LINKUP_RECVD)) { ret = DDI_FAILURE; DBG(DBG_PWR, px_p->px_dip, " Timed out while waiting" " for link up\n"); } } px_p->px_pm_flags &= ~(PX_LINKUP_PENDING | PX_LINKUP_RECVD | PX_LUP_EXPECTED); l0_done: if (mutex_held) mutex_exit(&px_p->px_lupsoft_lock); px_enable_detect_quiet(csr_base); if (ret == DDI_SUCCESS) pwr_p->pwr_link_lvl = PM_LEVEL_L0; mutex_exit(&pwr_p->pwr_lock); return (ret); } uint_t px_lup_softintr(caddr_t arg) { px_t *px_p = (px_t *)arg; DBG(DBG_PWR, px_p->px_dip, " Link up soft interrupt received \n"); mutex_enter(&px_p->px_lup_lock); if (!(px_p->px_lupsoft_pending > 0)) { /* Spurious */ mutex_exit(&px_p->px_lup_lock); return (DDI_INTR_UNCLAIMED); } px_p->px_lupsoft_pending--; if (px_p->px_lupsoft_pending > 0) { /* More than one lup soft intr posted - unlikely */ mutex_exit(&px_p->px_lup_lock); return (DDI_INTR_UNCLAIMED); } mutex_exit(&px_p->px_lup_lock); mutex_enter(&px_p->px_lupsoft_lock); cv_broadcast(&px_p->px_lup_cv); if (px_p->px_pm_flags & PX_LINKUP_PENDING) { px_p->px_pm_flags |= PX_LINKUP_RECVD; } else { /* Nobody waiting for this! */ px_p->px_lup_ignored++; } mutex_exit(&px_p->px_lupsoft_lock); return (DDI_INTR_CLAIMED); } /* * Extract the drivers binding name to identify which chip we're binding to. * Whenever a new bus bridge is created, the driver alias entry should be * added here to identify the device if needed. If a device isn't added, * the identity defaults to PX_CHIP_UNIDENTIFIED. */ static uint32_t px_identity_chip(px_t *px_p) { dev_info_t *dip = px_p->px_dip; char *name = ddi_binding_name(dip); uint32_t revision = 0; revision = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "module-revision#", 0); /* Check for Fire driver binding name */ if ((strcmp(name, "pci108e,80f0") == 0) || (strcmp(name, "pciex108e,80f0") == 0)) { DBG(DBG_ATTACH, dip, "px_identity_chip: %s%d: " "name %s module-revision %d\n", ddi_driver_name(dip), ddi_get_instance(dip), name, revision); return (PX_CHIP_ID(PX_CHIP_FIRE, revision, 0x00)); } DBG(DBG_ATTACH, dip, "%s%d: Unknown PCI Express Host bridge %s %x\n", ddi_driver_name(dip), ddi_get_instance(dip), name, revision); return (PX_CHIP_UNIDENTIFIED); } int px_err_add_intr(px_fault_t *px_fault_p) { dev_info_t *dip = px_fault_p->px_fh_dip; px_t *px_p = DIP_TO_STATE(dip); VERIFY(add_ivintr(px_fault_p->px_fh_sysino, PX_ERR_PIL, px_fault_p->px_err_func, (caddr_t)px_fault_p, NULL) == 0); px_ib_intr_enable(px_p, intr_dist_cpuid(), px_fault_p->px_intr_ino); return (DDI_SUCCESS); } void px_err_rem_intr(px_fault_t *px_fault_p) { dev_info_t *dip = px_fault_p->px_fh_dip; px_t *px_p = DIP_TO_STATE(dip); rem_ivintr(px_fault_p->px_fh_sysino, NULL); px_ib_intr_disable(px_p->px_ib_p, px_fault_p->px_intr_ino, IB_INTR_WAIT); } #ifdef FMA void px_fill_rc_status(px_fault_t *px_fault_p, pciex_rc_error_regs_t *rc_status) { /* populate the rc_status by reading the registers - TBD */ } #endif /* FMA */