/* * 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" /* * File that has code which is common between pci(7d) and npe(7d) * It shares the following: * - interrupt code * - pci_tools ioctl code * - name_child code * - set_parent_private_data code */ #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /* * Function prototypes */ static int pci_get_priority(dev_info_t *, ddi_intr_handle_impl_t *, int *); static int pci_enable_intr(dev_info_t *, dev_info_t *, ddi_intr_handle_impl_t *, uint32_t); static void pci_disable_intr(dev_info_t *, dev_info_t *, ddi_intr_handle_impl_t *, uint32_t); /* Extern decalration for pcplusmp module */ extern int (*psm_intr_ops)(dev_info_t *, ddi_intr_handle_impl_t *, psm_intr_op_t, int *); /* * pci_name_child: * * Assign the address portion of the node name */ int pci_common_name_child(dev_info_t *child, char *name, int namelen) { int dev, func, length; char **unit_addr; uint_t n; pci_regspec_t *pci_rp; if (ndi_dev_is_persistent_node(child) == 0) { /* * For .conf node, use "unit-address" property */ if (ddi_prop_lookup_string_array(DDI_DEV_T_ANY, child, DDI_PROP_DONTPASS, "unit-address", &unit_addr, &n) != DDI_PROP_SUCCESS) { cmn_err(CE_WARN, "cannot find unit-address in %s.conf", ddi_get_name(child)); return (DDI_FAILURE); } if (n != 1 || *unit_addr == NULL || **unit_addr == 0) { cmn_err(CE_WARN, "unit-address property in %s.conf" " not well-formed", ddi_get_name(child)); ddi_prop_free(unit_addr); return (DDI_FAILURE); } (void) snprintf(name, namelen, "%s", *unit_addr); ddi_prop_free(unit_addr); return (DDI_SUCCESS); } if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, child, DDI_PROP_DONTPASS, "reg", (int **)&pci_rp, (uint_t *)&length) != DDI_PROP_SUCCESS) { cmn_err(CE_WARN, "cannot find reg property in %s", ddi_get_name(child)); return (DDI_FAILURE); } /* copy the device identifications */ dev = PCI_REG_DEV_G(pci_rp->pci_phys_hi); func = PCI_REG_FUNC_G(pci_rp->pci_phys_hi); /* * free the memory allocated by ddi_prop_lookup_int_array */ ddi_prop_free(pci_rp); if (func != 0) { (void) snprintf(name, namelen, "%x,%x", dev, func); } else { (void) snprintf(name, namelen, "%x", dev); } return (DDI_SUCCESS); } /* * Interrupt related code: * * The following busop is common to npe and pci drivers * bus_introp */ /* * Create the ddi_parent_private_data for a pseudo child. */ void pci_common_set_parent_private_data(dev_info_t *dip) { struct ddi_parent_private_data *pdptr; pdptr = (struct ddi_parent_private_data *)kmem_zalloc( (sizeof (struct ddi_parent_private_data) + sizeof (struct intrspec)), KM_SLEEP); pdptr->par_intr = (struct intrspec *)(pdptr + 1); pdptr->par_nintr = 1; ddi_set_parent_data(dip, pdptr); } /* * pci_get_priority: * Figure out the priority of the device */ static int pci_get_priority(dev_info_t *dip, ddi_intr_handle_impl_t *hdlp, int *pri) { struct intrspec *ispec; DDI_INTR_NEXDBG((CE_CONT, "pci_get_priority: dip = 0x%p, hdlp = %p\n", (void *)dip, (void *)hdlp)); if ((ispec = (struct intrspec *)pci_intx_get_ispec(dip, dip, hdlp->ih_inum)) == NULL) { if (DDI_INTR_IS_MSI_OR_MSIX(hdlp->ih_type)) { int class = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "class-code", -1); *pri = (class == -1) ? 1 : pci_devclass_to_ipl(class); pci_common_set_parent_private_data(hdlp->ih_dip); ispec = (struct intrspec *)pci_intx_get_ispec(dip, dip, hdlp->ih_inum); return (DDI_SUCCESS); } return (DDI_FAILURE); } *pri = ispec->intrspec_pri; return (DDI_SUCCESS); } static int pcie_pci_intr_pri_counter = 0; /* * pci_common_intr_ops: bus_intr_op() function for interrupt support */ int pci_common_intr_ops(dev_info_t *pdip, dev_info_t *rdip, ddi_intr_op_t intr_op, ddi_intr_handle_impl_t *hdlp, void *result) { int priority = 0; int psm_status = 0; int pci_status = 0; int pci_rval, psm_rval = PSM_FAILURE; int types = 0; int pciepci = 0; int i, j, count; int behavior; int cap_ptr; ddi_intrspec_t isp; struct intrspec *ispec; ddi_intr_handle_impl_t tmp_hdl; ddi_intr_msix_t *msix_p; ihdl_plat_t *ihdl_plat_datap; ddi_intr_handle_t *h_array; ddi_acc_handle_t handle; DDI_INTR_NEXDBG((CE_CONT, "pci_common_intr_ops: pdip 0x%p, rdip 0x%p, op %x handle 0x%p\n", (void *)pdip, (void *)rdip, intr_op, (void *)hdlp)); /* Process the request */ switch (intr_op) { case DDI_INTROP_SUPPORTED_TYPES: /* Fixed supported by default */ *(int *)result = DDI_INTR_TYPE_FIXED; /* Figure out if MSI or MSI-X is supported? */ if (pci_msi_get_supported_type(rdip, &types) != DDI_SUCCESS) return (DDI_SUCCESS); if (psm_intr_ops != NULL) { /* * Only support MSI for now, OR it in */ *(int *)result |= (types & DDI_INTR_TYPE_MSI); tmp_hdl.ih_type = *(int *)result; (void) (*psm_intr_ops)(rdip, &tmp_hdl, PSM_INTR_OP_CHECK_MSI, result); DDI_INTR_NEXDBG((CE_CONT, "pci_common_intr_ops: " "rdip: 0x%p supported types: 0x%x\n", (void *)rdip, *(int *)result)); } break; case DDI_INTROP_NAVAIL: case DDI_INTROP_NINTRS: if (DDI_INTR_IS_MSI_OR_MSIX(hdlp->ih_type)) { if (pci_msi_get_nintrs(hdlp->ih_dip, hdlp->ih_type, result) != DDI_SUCCESS) return (DDI_FAILURE); } else { *(int *)result = i_ddi_get_intx_nintrs(hdlp->ih_dip); if (*(int *)result == 0) return (DDI_FAILURE); } break; case DDI_INTROP_ALLOC: /* * MSI or MSIX (figure out number of vectors available) * FIXED interrupts: just return available interrupts */ if (DDI_INTR_IS_MSI_OR_MSIX(hdlp->ih_type) && (psm_intr_ops != NULL) && (pci_get_priority(rdip, hdlp, &priority) == DDI_SUCCESS)) { /* * Following check is a special case for 'pcie_pci'. * This makes sure vectors with the right priority * are allocated for pcie_pci during ALLOC time. */ if (strcmp(ddi_driver_name(rdip), "pcie_pci") == 0) { hdlp->ih_pri = (pcie_pci_intr_pri_counter % 2) ? 4 : 7; pciepci = 1; } else hdlp->ih_pri = priority; behavior = (int)(uintptr_t)hdlp->ih_scratch2; /* * Cache in the config handle and cap_ptr */ if (i_ddi_get_pci_config_handle(rdip) == NULL) { if (pci_config_setup(rdip, &handle) != DDI_SUCCESS) return (DDI_FAILURE); i_ddi_set_pci_config_handle(rdip, handle); } if (i_ddi_get_msi_msix_cap_ptr(rdip) == 0) { char *prop = (hdlp->ih_type == DDI_INTR_TYPE_MSI) ? "pci-msi-capid-pointer" : "pci-msix-capid-pointer"; cap_ptr = ddi_prop_get_int(DDI_DEV_T_ANY, rdip, DDI_PROP_DONTPASS, prop, PCI_CAP_NEXT_PTR_NULL); i_ddi_set_msi_msix_cap_ptr(rdip, cap_ptr); } (void) (*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_ALLOC_VECTORS, result); /* verify behavior flag and take appropriate action */ if ((behavior == DDI_INTR_ALLOC_STRICT) && (*(int *)result < hdlp->ih_scratch1)) { DDI_INTR_NEXDBG((CE_CONT, "pci_common_intr_ops: behavior %x, " "couldn't get enough intrs\n", behavior)); hdlp->ih_scratch1 = *(int *)result; (void) (*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_FREE_VECTORS, NULL); return (DDI_EAGAIN); } if (hdlp->ih_type == DDI_INTR_TYPE_MSIX) { if (!(msix_p = i_ddi_get_msix(hdlp->ih_dip))) { msix_p = pci_msix_init(hdlp->ih_dip); if (msix_p) i_ddi_set_msix(hdlp->ih_dip, msix_p); } } if (pciepci) { /* update priority in ispec */ isp = pci_intx_get_ispec(pdip, rdip, (int)hdlp->ih_inum); ispec = (struct intrspec *)isp; if (ispec) ispec->intrspec_pri = hdlp->ih_pri; ++pcie_pci_intr_pri_counter; } } else if (hdlp->ih_type == DDI_INTR_TYPE_FIXED) { /* Figure out if this device supports MASKING */ pci_rval = pci_intx_get_cap(rdip, &pci_status); if (pci_rval == DDI_SUCCESS && pci_status) hdlp->ih_cap |= pci_status; *(int *)result = 1; /* DDI_INTR_TYPE_FIXED */ } else return (DDI_FAILURE); break; case DDI_INTROP_FREE: if (DDI_INTR_IS_MSI_OR_MSIX(hdlp->ih_type) && (psm_intr_ops != NULL)) { if (i_ddi_intr_get_current_nintrs(hdlp->ih_dip) - 1 == 0) { if (handle = i_ddi_get_pci_config_handle( rdip)) { (void) pci_config_teardown(&handle); i_ddi_set_pci_config_handle(rdip, NULL); } if (cap_ptr = i_ddi_get_msi_msix_cap_ptr(rdip)) i_ddi_set_msi_msix_cap_ptr(rdip, 0); } (void) (*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_FREE_VECTORS, NULL); if (hdlp->ih_type == DDI_INTR_TYPE_MSIX) { msix_p = i_ddi_get_msix(hdlp->ih_dip); if (msix_p && (i_ddi_intr_get_current_nintrs( hdlp->ih_dip) - 1) == 0) { pci_msix_fini(msix_p); i_ddi_set_msix(hdlp->ih_dip, NULL); } } } break; case DDI_INTROP_GETPRI: /* Get the priority */ if (pci_get_priority(rdip, hdlp, &priority) != DDI_SUCCESS) return (DDI_FAILURE); DDI_INTR_NEXDBG((CE_CONT, "pci_common_intr_ops: " "priority = 0x%x\n", priority)); *(int *)result = priority; break; case DDI_INTROP_SETPRI: /* Validate the interrupt priority passed */ if (*(int *)result > LOCK_LEVEL) return (DDI_FAILURE); /* Ensure that PSM is all initialized */ if (psm_intr_ops == NULL) return (DDI_FAILURE); /* Change the priority */ if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_SET_PRI, result) == PSM_FAILURE) return (DDI_FAILURE); /* update ispec */ isp = pci_intx_get_ispec(pdip, rdip, (int)hdlp->ih_inum); ispec = (struct intrspec *)isp; if (ispec) ispec->intrspec_pri = *(int *)result; break; case DDI_INTROP_ADDISR: /* update ispec */ isp = pci_intx_get_ispec(pdip, rdip, (int)hdlp->ih_inum); ispec = (struct intrspec *)isp; if (ispec) { ispec->intrspec_func = hdlp->ih_cb_func; ihdl_plat_datap = (ihdl_plat_t *)hdlp->ih_private; pci_kstat_create(&ihdl_plat_datap->ip_ksp, pdip, hdlp); } break; case DDI_INTROP_REMISR: /* Get the interrupt structure pointer */ isp = pci_intx_get_ispec(pdip, rdip, (int)hdlp->ih_inum); ispec = (struct intrspec *)isp; if (ispec) { ispec->intrspec_func = (uint_t (*)()) 0; ihdl_plat_datap = (ihdl_plat_t *)hdlp->ih_private; if (ihdl_plat_datap->ip_ksp != NULL) pci_kstat_delete(ihdl_plat_datap->ip_ksp); } break; case DDI_INTROP_GETCAP: /* * First check the config space and/or * MSI capability register(s) */ if (DDI_INTR_IS_MSI_OR_MSIX(hdlp->ih_type)) pci_rval = pci_msi_get_cap(rdip, hdlp->ih_type, &pci_status); else if (hdlp->ih_type == DDI_INTR_TYPE_FIXED) pci_rval = pci_intx_get_cap(rdip, &pci_status); /* next check with pcplusmp */ if (psm_intr_ops != NULL) psm_rval = (*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_GET_CAP, &psm_status); DDI_INTR_NEXDBG((CE_CONT, "pci: GETCAP returned psm_rval = %x, " "psm_status = %x, pci_rval = %x, pci_status = %x\n", psm_rval, psm_status, pci_rval, pci_status)); if (psm_rval == PSM_FAILURE && pci_rval == DDI_FAILURE) { *(int *)result = 0; return (DDI_FAILURE); } if (psm_rval == PSM_SUCCESS) *(int *)result = psm_status; if (pci_rval == DDI_SUCCESS) *(int *)result |= pci_status; DDI_INTR_NEXDBG((CE_CONT, "pci: GETCAP returned = %x\n", *(int *)result)); break; case DDI_INTROP_SETCAP: DDI_INTR_NEXDBG((CE_CONT, "pci_common_intr_ops: " "SETCAP cap=0x%x\n", *(int *)result)); if (psm_intr_ops == NULL) return (DDI_FAILURE); if ((*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_SET_CAP, result)) { DDI_INTR_NEXDBG((CE_CONT, "GETCAP: psm_intr_ops" " returned failure\n")); return (DDI_FAILURE); } break; case DDI_INTROP_ENABLE: DDI_INTR_NEXDBG((CE_CONT, "pci_common_intr_ops: ENABLE\n")); if (psm_intr_ops == NULL) return (DDI_FAILURE); if (pci_enable_intr(pdip, rdip, hdlp, hdlp->ih_inum) != DDI_SUCCESS) return (DDI_FAILURE); DDI_INTR_NEXDBG((CE_CONT, "pci_common_intr_ops: ENABLE " "vector=0x%x\n", hdlp->ih_vector)); break; case DDI_INTROP_DISABLE: DDI_INTR_NEXDBG((CE_CONT, "pci_common_intr_ops: DISABLE\n")); if (psm_intr_ops == NULL) return (DDI_FAILURE); pci_disable_intr(pdip, rdip, hdlp, hdlp->ih_inum); DDI_INTR_NEXDBG((CE_CONT, "pci_common_intr_ops: DISABLE " "vector = %x\n", hdlp->ih_vector)); break; case DDI_INTROP_BLOCKENABLE: DDI_INTR_NEXDBG((CE_CONT, "pci_common_intr_ops: " "BLOCKENABLE\n")); if (hdlp->ih_type != DDI_INTR_TYPE_MSI) { DDI_INTR_NEXDBG((CE_CONT, "BLOCKENABLE: not MSI\n")); return (DDI_FAILURE); } /* Check if psm_intr_ops is NULL? */ if (psm_intr_ops == NULL) return (DDI_FAILURE); count = hdlp->ih_scratch1; h_array = (ddi_intr_handle_t *)hdlp->ih_scratch2; for (i = 0; i < count; i++) { hdlp = (ddi_intr_handle_impl_t *)h_array[i]; if (pci_enable_intr(pdip, rdip, hdlp, hdlp->ih_inum) != DDI_SUCCESS) { DDI_INTR_NEXDBG((CE_CONT, "BLOCKENABLE: " "pci_enable_intr failed for %d\n", i)); for (j = 0; j < i; j++) { hdlp = (ddi_intr_handle_impl_t *)h_array[j]; pci_disable_intr(pdip, rdip, hdlp, hdlp->ih_inum); } return (DDI_FAILURE); } DDI_INTR_NEXDBG((CE_CONT, "pci_common_intr_ops: " "BLOCKENABLE inum %x done\n", hdlp->ih_inum)); } break; case DDI_INTROP_BLOCKDISABLE: DDI_INTR_NEXDBG((CE_CONT, "pci_common_intr_ops: " "BLOCKDISABLE\n")); if (hdlp->ih_type != DDI_INTR_TYPE_MSI) { DDI_INTR_NEXDBG((CE_CONT, "BLOCKDISABLE: not MSI\n")); return (DDI_FAILURE); } /* Check if psm_intr_ops is present */ if (psm_intr_ops == NULL) return (DDI_FAILURE); count = hdlp->ih_scratch1; h_array = (ddi_intr_handle_t *)hdlp->ih_scratch2; for (i = 0; i < count; i++) { hdlp = (ddi_intr_handle_impl_t *)h_array[i]; pci_disable_intr(pdip, rdip, hdlp, hdlp->ih_inum); DDI_INTR_NEXDBG((CE_CONT, "pci_common_intr_ops: " "BLOCKDISABLE inum %x done\n", hdlp->ih_inum)); } break; case DDI_INTROP_SETMASK: case DDI_INTROP_CLRMASK: /* * First handle in the config space */ if (intr_op == DDI_INTROP_SETMASK) { if (DDI_INTR_IS_MSI_OR_MSIX(hdlp->ih_type)) pci_status = pci_msi_set_mask(rdip, hdlp->ih_type, hdlp->ih_inum); else if (hdlp->ih_type == DDI_INTR_TYPE_FIXED) pci_status = pci_intx_set_mask(rdip); } else { if (DDI_INTR_IS_MSI_OR_MSIX(hdlp->ih_type)) pci_status = pci_msi_clr_mask(rdip, hdlp->ih_type, hdlp->ih_inum); else if (hdlp->ih_type == DDI_INTR_TYPE_FIXED) pci_status = pci_intx_clr_mask(rdip); } /* For MSI/X; no need to check with pcplusmp */ if (hdlp->ih_type != DDI_INTR_TYPE_FIXED) return (pci_status); /* For fixed interrupts only: handle config space first */ if (hdlp->ih_type == DDI_INTR_TYPE_FIXED && pci_status == DDI_SUCCESS) break; /* For fixed interrupts only: confer with pcplusmp next */ if (psm_intr_ops != NULL) { /* If interrupt is shared; do nothing */ psm_rval = (*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_GET_SHARED, &psm_status); if (psm_rval == PSM_FAILURE || psm_status == 1) return (pci_status); /* Now, pcplusmp should try to set/clear the mask */ if (intr_op == DDI_INTROP_SETMASK) psm_rval = (*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_SET_MASK, NULL); else psm_rval = (*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_CLEAR_MASK, NULL); } return ((psm_rval == PSM_FAILURE) ? DDI_FAILURE : DDI_SUCCESS); case DDI_INTROP_GETPENDING: /* * First check the config space and/or * MSI capability register(s) */ if (DDI_INTR_IS_MSI_OR_MSIX(hdlp->ih_type)) pci_rval = pci_msi_get_pending(rdip, hdlp->ih_type, hdlp->ih_inum, &pci_status); else if (hdlp->ih_type == DDI_INTR_TYPE_FIXED) pci_rval = pci_intx_get_pending(rdip, &pci_status); /* On failure; next try with pcplusmp */ if (pci_rval != DDI_SUCCESS && psm_intr_ops != NULL) psm_rval = (*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_GET_PENDING, &psm_status); DDI_INTR_NEXDBG((CE_CONT, "pci: GETPENDING returned " "psm_rval = %x, psm_status = %x, pci_rval = %x, " "pci_status = %x\n", psm_rval, psm_status, pci_rval, pci_status)); if (psm_rval == PSM_FAILURE && pci_rval == DDI_FAILURE) { *(int *)result = 0; return (DDI_FAILURE); } if (psm_rval != PSM_FAILURE) *(int *)result = psm_status; else if (pci_rval != DDI_FAILURE) *(int *)result = pci_status; DDI_INTR_NEXDBG((CE_CONT, "pci: GETPENDING returned = %x\n", *(int *)result)); break; default: return (i_ddi_intr_ops(pdip, rdip, intr_op, hdlp, result)); } return (DDI_SUCCESS); } int pci_get_intr_from_vecirq(apic_get_intr_t *intrinfo_p, int vecirq, boolean_t is_irq) { ddi_intr_handle_impl_t get_info_ii_hdl; if (is_irq) intrinfo_p->avgi_req_flags |= PSMGI_INTRBY_IRQ; /* * For this locally-declared and used handle, ih_private will contain a * pointer to apic_get_intr_t, not an ihdl_plat_t as used for * global interrupt handling. */ get_info_ii_hdl.ih_private = intrinfo_p; get_info_ii_hdl.ih_vector = (ushort_t)vecirq; if ((*psm_intr_ops)(NULL, &get_info_ii_hdl, PSM_INTR_OP_GET_INTR, NULL) == PSM_FAILURE) return (DDI_FAILURE); return (DDI_SUCCESS); } int pci_get_cpu_from_vecirq(int vecirq, boolean_t is_irq) { int rval; apic_get_intr_t intrinfo; intrinfo.avgi_req_flags = PSMGI_REQ_CPUID; rval = pci_get_intr_from_vecirq(&intrinfo, vecirq, is_irq); if (rval == DDI_SUCCESS) return (intrinfo.avgi_cpu_id); else return (-1); } static int pci_enable_intr(dev_info_t *pdip, dev_info_t *rdip, ddi_intr_handle_impl_t *hdlp, uint32_t inum) { struct intrspec *ispec; int irq; ihdl_plat_t *ihdl_plat_datap = (ihdl_plat_t *)hdlp->ih_private; DDI_INTR_NEXDBG((CE_CONT, "pci_enable_intr: hdlp %p inum %x\n", (void *)hdlp, inum)); /* Translate the interrupt if needed */ ispec = (struct intrspec *)pci_intx_get_ispec(pdip, rdip, (int)inum); if (ispec == NULL) return (DDI_FAILURE); if (DDI_INTR_IS_MSI_OR_MSIX(hdlp->ih_type)) ispec->intrspec_vec = inum; ihdl_plat_datap->ip_ispecp = ispec; /* translate the interrupt if needed */ (void) (*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_XLATE_VECTOR, &irq); DDI_INTR_NEXDBG((CE_CONT, "pci_enable_intr: priority=%x irq=%x\n", hdlp->ih_pri, irq)); /* Add the interrupt handler */ if (!add_avintr((void *)hdlp, hdlp->ih_pri, hdlp->ih_cb_func, DEVI(rdip)->devi_name, irq, hdlp->ih_cb_arg1, hdlp->ih_cb_arg2, &ihdl_plat_datap->ip_ticks, rdip)) return (DDI_FAILURE); /* Note this really is an irq. */ hdlp->ih_vector = (ushort_t)irq; return (DDI_SUCCESS); } static void pci_disable_intr(dev_info_t *pdip, dev_info_t *rdip, ddi_intr_handle_impl_t *hdlp, uint32_t inum) { int irq; struct intrspec *ispec; ihdl_plat_t *ihdl_plat_datap = (ihdl_plat_t *)hdlp->ih_private; DDI_INTR_NEXDBG((CE_CONT, "pci_disable_intr: \n")); ispec = (struct intrspec *)pci_intx_get_ispec(pdip, rdip, (int)inum); if (ispec == NULL) return; if (DDI_INTR_IS_MSI_OR_MSIX(hdlp->ih_type)) ispec->intrspec_vec = inum; ihdl_plat_datap->ip_ispecp = ispec; /* translate the interrupt if needed */ (void) (*psm_intr_ops)(rdip, hdlp, PSM_INTR_OP_XLATE_VECTOR, &irq); /* Disable the interrupt handler */ rem_avintr((void *)hdlp, hdlp->ih_pri, hdlp->ih_cb_func, irq); ihdl_plat_datap->ip_ispecp = NULL; } /* * Miscellaneous library function */ int pci_common_get_reg_prop(dev_info_t *dip, pci_regspec_t *pci_rp) { int i; int number; int assigned_addr_len; uint_t phys_hi = pci_rp->pci_phys_hi; pci_regspec_t *assigned_addr; if (((phys_hi & PCI_REG_ADDR_M) == PCI_ADDR_CONFIG) || (phys_hi & PCI_RELOCAT_B)) return (DDI_SUCCESS); /* * the "reg" property specifies relocatable, get and interpret the * "assigned-addresses" property. */ if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "assigned-addresses", (int **)&assigned_addr, (uint_t *)&assigned_addr_len) != DDI_PROP_SUCCESS) return (DDI_FAILURE); /* * Scan the "assigned-addresses" for one that matches the specified * "reg" property entry. */ phys_hi &= PCI_CONF_ADDR_MASK; number = assigned_addr_len / (sizeof (pci_regspec_t) / sizeof (int)); for (i = 0; i < number; i++) { if ((assigned_addr[i].pci_phys_hi & PCI_CONF_ADDR_MASK) == phys_hi) { pci_rp->pci_phys_mid = assigned_addr[i].pci_phys_mid; pci_rp->pci_phys_low = assigned_addr[i].pci_phys_low; ddi_prop_free(assigned_addr); return (DDI_SUCCESS); } } ddi_prop_free(assigned_addr); return (DDI_FAILURE); } /* * For pci_tools */ int pci_common_ioctl(dev_info_t *dip, dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp, int *rvalp) { int rv = ENOTTY; minor_t minor = getminor(dev); switch (PCIHP_AP_MINOR_NUM_TO_PCI_DEVNUM(minor)) { case PCI_TOOL_REG_MINOR_NUM: switch (cmd) { case PCITOOL_DEVICE_SET_REG: case PCITOOL_DEVICE_GET_REG: /* Require full privileges. */ if (secpolicy_kmdb(credp)) rv = EPERM; else rv = pcitool_dev_reg_ops(dip, (void *)arg, cmd, mode); break; case PCITOOL_NEXUS_SET_REG: case PCITOOL_NEXUS_GET_REG: /* Require full privileges. */ if (secpolicy_kmdb(credp)) rv = EPERM; else rv = pcitool_bus_reg_ops(dip, (void *)arg, cmd, mode); break; } break; case PCI_TOOL_INTR_MINOR_NUM: switch (cmd) { case PCITOOL_DEVICE_SET_INTR: /* Require PRIV_SYS_RES_CONFIG, same as psradm */ if (secpolicy_ponline(credp)) { rv = EPERM; break; } /*FALLTHRU*/ /* These require no special privileges. */ case PCITOOL_DEVICE_GET_INTR: case PCITOOL_DEVICE_NUM_INTR: rv = pcitool_intr_admn(dip, (void *)arg, cmd, mode); break; } break; /* * All non-PCItool ioctls go through here, including: * devctl ioctls with minor number PCIHP_DEVCTL_MINOR and * those for attachment points with where minor number is the * device number. */ default: rv = (pcihp_get_cb_ops())->cb_ioctl(dev, cmd, arg, mode, credp, rvalp); break; } return (rv); } int pci_common_ctlops_poke(peekpoke_ctlops_t *in_args) { size_t size = in_args->size; uintptr_t dev_addr = in_args->dev_addr; uintptr_t host_addr = in_args->host_addr; ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle; ddi_acc_hdl_t *hdlp = (ddi_acc_hdl_t *)in_args->handle; size_t repcount = in_args->repcount; uint_t flags = in_args->flags; int err = DDI_SUCCESS; /* * if no handle then this is a poke. We have to return failure here * as we have no way of knowing whether this is a MEM or IO space access */ if (in_args->handle == NULL) return (DDI_FAILURE); /* * rest of this function is actually for cautious puts */ for (; repcount; repcount--) { if (hp->ahi_acc_attr == DDI_ACCATTR_CONFIG_SPACE) { switch (size) { case sizeof (uint8_t): pci_config_wr8(hp, (uint8_t *)dev_addr, *(uint8_t *)host_addr); break; case sizeof (uint16_t): pci_config_wr16(hp, (uint16_t *)dev_addr, *(uint16_t *)host_addr); break; case sizeof (uint32_t): pci_config_wr32(hp, (uint32_t *)dev_addr, *(uint32_t *)host_addr); break; case sizeof (uint64_t): pci_config_wr64(hp, (uint64_t *)dev_addr, *(uint64_t *)host_addr); break; default: err = DDI_FAILURE; break; } } else if (hp->ahi_acc_attr & DDI_ACCATTR_IO_SPACE) { if (hdlp->ah_acc.devacc_attr_endian_flags == DDI_STRUCTURE_BE_ACC) { switch (size) { case sizeof (uint8_t): i_ddi_io_put8(hp, (uint8_t *)dev_addr, *(uint8_t *)host_addr); break; case sizeof (uint16_t): i_ddi_io_swap_put16(hp, (uint16_t *)dev_addr, *(uint16_t *)host_addr); break; case sizeof (uint32_t): i_ddi_io_swap_put32(hp, (uint32_t *)dev_addr, *(uint32_t *)host_addr); break; /* * note the 64-bit case is a dummy * function - so no need to swap */ case sizeof (uint64_t): i_ddi_io_put64(hp, (uint64_t *)dev_addr, *(uint64_t *)host_addr); break; default: err = DDI_FAILURE; break; } } else { switch (size) { case sizeof (uint8_t): i_ddi_io_put8(hp, (uint8_t *)dev_addr, *(uint8_t *)host_addr); break; case sizeof (uint16_t): i_ddi_io_put16(hp, (uint16_t *)dev_addr, *(uint16_t *)host_addr); break; case sizeof (uint32_t): i_ddi_io_put32(hp, (uint32_t *)dev_addr, *(uint32_t *)host_addr); break; case sizeof (uint64_t): i_ddi_io_put64(hp, (uint64_t *)dev_addr, *(uint64_t *)host_addr); break; default: err = DDI_FAILURE; break; } } } else { if (hdlp->ah_acc.devacc_attr_endian_flags == DDI_STRUCTURE_BE_ACC) { switch (size) { case sizeof (uint8_t): *(uint8_t *)dev_addr = *(uint8_t *)host_addr; break; case sizeof (uint16_t): *(uint16_t *)dev_addr = ddi_swap16(*(uint16_t *)host_addr); break; case sizeof (uint32_t): *(uint32_t *)dev_addr = ddi_swap32(*(uint32_t *)host_addr); break; case sizeof (uint64_t): *(uint64_t *)dev_addr = ddi_swap64(*(uint64_t *)host_addr); break; default: err = DDI_FAILURE; break; } } else { switch (size) { case sizeof (uint8_t): *(uint8_t *)dev_addr = *(uint8_t *)host_addr; break; case sizeof (uint16_t): *(uint16_t *)dev_addr = *(uint16_t *)host_addr; break; case sizeof (uint32_t): *(uint32_t *)dev_addr = *(uint32_t *)host_addr; break; case sizeof (uint64_t): *(uint64_t *)dev_addr = *(uint64_t *)host_addr; break; default: err = DDI_FAILURE; break; } } } host_addr += size; if (flags == DDI_DEV_AUTOINCR) dev_addr += size; } return (err); } int pci_fm_acc_setup(ddi_acc_hdl_t *hp, off_t offset, off_t len) { ddi_acc_impl_t *ap = (ddi_acc_impl_t *)hp->ah_platform_private; /* endian-ness check */ if (hp->ah_acc.devacc_attr_endian_flags == DDI_STRUCTURE_BE_ACC) return (DDI_FAILURE); /* * range check */ if ((offset >= PCI_CONF_HDR_SIZE) || (len > PCI_CONF_HDR_SIZE) || (offset + len > PCI_CONF_HDR_SIZE)) return (DDI_FAILURE); ap->ahi_acc_attr |= DDI_ACCATTR_CONFIG_SPACE; /* * always use cautious mechanism for config space gets */ ap->ahi_get8 = i_ddi_caut_get8; ap->ahi_get16 = i_ddi_caut_get16; ap->ahi_get32 = i_ddi_caut_get32; ap->ahi_get64 = i_ddi_caut_get64; ap->ahi_rep_get8 = i_ddi_caut_rep_get8; ap->ahi_rep_get16 = i_ddi_caut_rep_get16; ap->ahi_rep_get32 = i_ddi_caut_rep_get32; ap->ahi_rep_get64 = i_ddi_caut_rep_get64; if (hp->ah_acc.devacc_attr_access == DDI_CAUTIOUS_ACC) { ap->ahi_put8 = i_ddi_caut_put8; ap->ahi_put16 = i_ddi_caut_put16; ap->ahi_put32 = i_ddi_caut_put32; ap->ahi_put64 = i_ddi_caut_put64; ap->ahi_rep_put8 = i_ddi_caut_rep_put8; ap->ahi_rep_put16 = i_ddi_caut_rep_put16; ap->ahi_rep_put32 = i_ddi_caut_rep_put32; ap->ahi_rep_put64 = i_ddi_caut_rep_put64; } else { ap->ahi_put8 = pci_config_wr8; ap->ahi_put16 = pci_config_wr16; ap->ahi_put32 = pci_config_wr32; ap->ahi_put64 = pci_config_wr64; ap->ahi_rep_put8 = pci_config_rep_wr8; ap->ahi_rep_put16 = pci_config_rep_wr16; ap->ahi_rep_put32 = pci_config_rep_wr32; ap->ahi_rep_put64 = pci_config_rep_wr64; } /* Initialize to default check/notify functions */ ap->ahi_fault_check = i_ddi_acc_fault_check; ap->ahi_fault_notify = i_ddi_acc_fault_notify; ap->ahi_fault = 0; impl_acc_err_init(hp); return (DDI_SUCCESS); } int pci_common_ctlops_peek(peekpoke_ctlops_t *in_args) { size_t size = in_args->size; uintptr_t dev_addr = in_args->dev_addr; uintptr_t host_addr = in_args->host_addr; ddi_acc_impl_t *hp = (ddi_acc_impl_t *)in_args->handle; ddi_acc_hdl_t *hdlp = (ddi_acc_hdl_t *)in_args->handle; size_t repcount = in_args->repcount; uint_t flags = in_args->flags; int err = DDI_SUCCESS; /* * if no handle then this is a peek. We have to return failure here * as we have no way of knowing whether this is a MEM or IO space access */ if (in_args->handle == NULL) return (DDI_FAILURE); for (; repcount; repcount--) { if (hp->ahi_acc_attr == DDI_ACCATTR_CONFIG_SPACE) { switch (size) { case sizeof (uint8_t): *(uint8_t *)host_addr = pci_config_rd8(hp, (uint8_t *)dev_addr); break; case sizeof (uint16_t): *(uint16_t *)host_addr = pci_config_rd16(hp, (uint16_t *)dev_addr); break; case sizeof (uint32_t): *(uint32_t *)host_addr = pci_config_rd32(hp, (uint32_t *)dev_addr); break; case sizeof (uint64_t): *(uint64_t *)host_addr = pci_config_rd64(hp, (uint64_t *)dev_addr); break; default: err = DDI_FAILURE; break; } } else if (hp->ahi_acc_attr & DDI_ACCATTR_IO_SPACE) { if (hdlp->ah_acc.devacc_attr_endian_flags == DDI_STRUCTURE_BE_ACC) { switch (size) { case sizeof (uint8_t): *(uint8_t *)host_addr = i_ddi_io_get8(hp, (uint8_t *)dev_addr); break; case sizeof (uint16_t): *(uint16_t *)host_addr = i_ddi_io_swap_get16(hp, (uint16_t *)dev_addr); break; case sizeof (uint32_t): *(uint32_t *)host_addr = i_ddi_io_swap_get32(hp, (uint32_t *)dev_addr); break; /* * note the 64-bit case is a dummy * function - so no need to swap */ case sizeof (uint64_t): *(uint64_t *)host_addr = i_ddi_io_get64(hp, (uint64_t *)dev_addr); break; default: err = DDI_FAILURE; break; } } else { switch (size) { case sizeof (uint8_t): *(uint8_t *)host_addr = i_ddi_io_get8(hp, (uint8_t *)dev_addr); break; case sizeof (uint16_t): *(uint16_t *)host_addr = i_ddi_io_get16(hp, (uint16_t *)dev_addr); break; case sizeof (uint32_t): *(uint32_t *)host_addr = i_ddi_io_get32(hp, (uint32_t *)dev_addr); break; case sizeof (uint64_t): *(uint64_t *)host_addr = i_ddi_io_get64(hp, (uint64_t *)dev_addr); break; default: err = DDI_FAILURE; break; } } } else { if (hdlp->ah_acc.devacc_attr_endian_flags == DDI_STRUCTURE_BE_ACC) { switch (in_args->size) { case sizeof (uint8_t): *(uint8_t *)host_addr = *(uint8_t *)dev_addr; break; case sizeof (uint16_t): *(uint16_t *)host_addr = ddi_swap16(*(uint16_t *)dev_addr); break; case sizeof (uint32_t): *(uint32_t *)host_addr = ddi_swap32(*(uint32_t *)dev_addr); break; case sizeof (uint64_t): *(uint64_t *)host_addr = ddi_swap64(*(uint64_t *)dev_addr); break; default: err = DDI_FAILURE; break; } } else { switch (in_args->size) { case sizeof (uint8_t): *(uint8_t *)host_addr = *(uint8_t *)dev_addr; break; case sizeof (uint16_t): *(uint16_t *)host_addr = *(uint16_t *)dev_addr; break; case sizeof (uint32_t): *(uint32_t *)host_addr = *(uint32_t *)dev_addr; break; case sizeof (uint64_t): *(uint64_t *)host_addr = *(uint64_t *)dev_addr; break; default: err = DDI_FAILURE; break; } } } host_addr += size; if (flags == DDI_DEV_AUTOINCR) dev_addr += size; } return (err); } /*ARGSUSED*/ int pci_common_peekpoke(dev_info_t *dip, dev_info_t *rdip, ddi_ctl_enum_t ctlop, void *arg, void *result) { if (ctlop == DDI_CTLOPS_PEEK) return (pci_common_ctlops_peek((peekpoke_ctlops_t *)arg)); else return (pci_common_ctlops_poke((peekpoke_ctlops_t *)arg)); } /* * These are the get and put functions to be shared with drivers. The * mutex locking is done inside the functions referenced, rather than * here, and is thus shared across PCI child drivers and any other * consumers of PCI config space (such as the ACPI subsystem). * * The configuration space addresses come in as pointers. This is fine on * a 32-bit system, where the VM space and configuration space are the same * size. It's not such a good idea on a 64-bit system, where memory * addresses are twice as large as configuration space addresses. At some * point in the call tree we need to take a stand and say "you are 32-bit * from this time forth", and this seems like a nice self-contained place. */ uint8_t pci_config_rd8(ddi_acc_impl_t *hdlp, uint8_t *addr) { pci_acc_cfblk_t *cfp; uint8_t rval; int reg; ASSERT64(((uintptr_t)addr >> 32) == 0); reg = (int)(uintptr_t)addr; cfp = (pci_acc_cfblk_t *)&hdlp->ahi_common.ah_bus_private; rval = (*pci_getb_func)(cfp->c_busnum, cfp->c_devnum, cfp->c_funcnum, reg); return (rval); } void pci_config_rep_rd8(ddi_acc_impl_t *hdlp, uint8_t *host_addr, uint8_t *dev_addr, size_t repcount, uint_t flags) { uint8_t *h, *d; h = host_addr; d = dev_addr; if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) *h++ = pci_config_rd8(hdlp, d++); else for (; repcount; repcount--) *h++ = pci_config_rd8(hdlp, d); } uint16_t pci_config_rd16(ddi_acc_impl_t *hdlp, uint16_t *addr) { pci_acc_cfblk_t *cfp; uint16_t rval; int reg; ASSERT64(((uintptr_t)addr >> 32) == 0); reg = (int)(uintptr_t)addr; cfp = (pci_acc_cfblk_t *)&hdlp->ahi_common.ah_bus_private; rval = (*pci_getw_func)(cfp->c_busnum, cfp->c_devnum, cfp->c_funcnum, reg); return (rval); } void pci_config_rep_rd16(ddi_acc_impl_t *hdlp, uint16_t *host_addr, uint16_t *dev_addr, size_t repcount, uint_t flags) { uint16_t *h, *d; h = host_addr; d = dev_addr; if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) *h++ = pci_config_rd16(hdlp, d++); else for (; repcount; repcount--) *h++ = pci_config_rd16(hdlp, d); } uint32_t pci_config_rd32(ddi_acc_impl_t *hdlp, uint32_t *addr) { pci_acc_cfblk_t *cfp; uint32_t rval; int reg; ASSERT64(((uintptr_t)addr >> 32) == 0); reg = (int)(uintptr_t)addr; cfp = (pci_acc_cfblk_t *)&hdlp->ahi_common.ah_bus_private; rval = (*pci_getl_func)(cfp->c_busnum, cfp->c_devnum, cfp->c_funcnum, reg); return (rval); } void pci_config_rep_rd32(ddi_acc_impl_t *hdlp, uint32_t *host_addr, uint32_t *dev_addr, size_t repcount, uint_t flags) { uint32_t *h, *d; h = host_addr; d = dev_addr; if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) *h++ = pci_config_rd32(hdlp, d++); else for (; repcount; repcount--) *h++ = pci_config_rd32(hdlp, d); } void pci_config_wr8(ddi_acc_impl_t *hdlp, uint8_t *addr, uint8_t value) { pci_acc_cfblk_t *cfp; int reg; ASSERT64(((uintptr_t)addr >> 32) == 0); reg = (int)(uintptr_t)addr; cfp = (pci_acc_cfblk_t *)&hdlp->ahi_common.ah_bus_private; (*pci_putb_func)(cfp->c_busnum, cfp->c_devnum, cfp->c_funcnum, reg, value); } void pci_config_rep_wr8(ddi_acc_impl_t *hdlp, uint8_t *host_addr, uint8_t *dev_addr, size_t repcount, uint_t flags) { uint8_t *h, *d; h = host_addr; d = dev_addr; if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) pci_config_wr8(hdlp, d++, *h++); else for (; repcount; repcount--) pci_config_wr8(hdlp, d, *h++); } void pci_config_wr16(ddi_acc_impl_t *hdlp, uint16_t *addr, uint16_t value) { pci_acc_cfblk_t *cfp; int reg; ASSERT64(((uintptr_t)addr >> 32) == 0); reg = (int)(uintptr_t)addr; cfp = (pci_acc_cfblk_t *)&hdlp->ahi_common.ah_bus_private; (*pci_putw_func)(cfp->c_busnum, cfp->c_devnum, cfp->c_funcnum, reg, value); } void pci_config_rep_wr16(ddi_acc_impl_t *hdlp, uint16_t *host_addr, uint16_t *dev_addr, size_t repcount, uint_t flags) { uint16_t *h, *d; h = host_addr; d = dev_addr; if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) pci_config_wr16(hdlp, d++, *h++); else for (; repcount; repcount--) pci_config_wr16(hdlp, d, *h++); } void pci_config_wr32(ddi_acc_impl_t *hdlp, uint32_t *addr, uint32_t value) { pci_acc_cfblk_t *cfp; int reg; ASSERT64(((uintptr_t)addr >> 32) == 0); reg = (int)(uintptr_t)addr; cfp = (pci_acc_cfblk_t *)&hdlp->ahi_common.ah_bus_private; (*pci_putl_func)(cfp->c_busnum, cfp->c_devnum, cfp->c_funcnum, reg, value); } void pci_config_rep_wr32(ddi_acc_impl_t *hdlp, uint32_t *host_addr, uint32_t *dev_addr, size_t repcount, uint_t flags) { uint32_t *h, *d; h = host_addr; d = dev_addr; if (flags == DDI_DEV_AUTOINCR) for (; repcount; repcount--) pci_config_wr32(hdlp, d++, *h++); else for (; repcount; repcount--) pci_config_wr32(hdlp, d, *h++); } uint64_t pci_config_rd64(ddi_acc_impl_t *hdlp, uint64_t *addr) { uint32_t lw_val; uint32_t hi_val; uint32_t *dp; uint64_t val; dp = (uint32_t *)addr; lw_val = pci_config_rd32(hdlp, dp); dp++; hi_val = pci_config_rd32(hdlp, dp); val = ((uint64_t)hi_val << 32) | lw_val; return (val); } void pci_config_wr64(ddi_acc_impl_t *hdlp, uint64_t *addr, uint64_t value) { uint32_t lw_val; uint32_t hi_val; uint32_t *dp; dp = (uint32_t *)addr; lw_val = (uint32_t)(value & 0xffffffff); hi_val = (uint32_t)(value >> 32); pci_config_wr32(hdlp, dp, lw_val); dp++; pci_config_wr32(hdlp, dp, hi_val); } void pci_config_rep_rd64(ddi_acc_impl_t *hdlp, uint64_t *host_addr, uint64_t *dev_addr, size_t repcount, uint_t flags) { if (flags == DDI_DEV_AUTOINCR) { for (; repcount; repcount--) *host_addr++ = pci_config_rd64(hdlp, dev_addr++); } else { for (; repcount; repcount--) *host_addr++ = pci_config_rd64(hdlp, dev_addr); } } void pci_config_rep_wr64(ddi_acc_impl_t *hdlp, uint64_t *host_addr, uint64_t *dev_addr, size_t repcount, uint_t flags) { if (flags == DDI_DEV_AUTOINCR) { for (; repcount; repcount--) pci_config_wr64(hdlp, host_addr++, *dev_addr++); } else { for (; repcount; repcount--) pci_config_wr64(hdlp, host_addr++, *dev_addr); } } /* * Enable Legacy PCI config space access for the following four north bridges * Host bridge: AMD HyperTransport Technology Configuration * Host bridge: AMD Address Map * Host bridge: AMD DRAM Controller * Host bridge: AMD Miscellaneous Control */ int is_amd_northbridge(dev_info_t *dip) { int vendor_id, device_id; vendor_id = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "vendor-id", -1); device_id = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS, "device-id", -1); if (IS_AMD_NTBRIDGE(vendor_id, device_id)) return (0); return (1); }