18d59ecb2SHans Petter Selasky /*- 28d59ecb2SHans Petter Selasky * Copyright (c) 2010 Isilon Systems, Inc. 38d59ecb2SHans Petter Selasky * Copyright (c) 2010 iX Systems, Inc. 48d59ecb2SHans Petter Selasky * Copyright (c) 2010 Panasas, Inc. 5bdff61f8SHans Petter Selasky * Copyright (c) 2013-2016 Mellanox Technologies, Ltd. 68d59ecb2SHans Petter Selasky * All rights reserved. 78d59ecb2SHans Petter Selasky * 88d59ecb2SHans Petter Selasky * Redistribution and use in source and binary forms, with or without 98d59ecb2SHans Petter Selasky * modification, are permitted provided that the following conditions 108d59ecb2SHans Petter Selasky * are met: 118d59ecb2SHans Petter Selasky * 1. Redistributions of source code must retain the above copyright 128d59ecb2SHans Petter Selasky * notice unmodified, this list of conditions, and the following 138d59ecb2SHans Petter Selasky * disclaimer. 148d59ecb2SHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright 158d59ecb2SHans Petter Selasky * notice, this list of conditions and the following disclaimer in the 168d59ecb2SHans Petter Selasky * documentation and/or other materials provided with the distribution. 178d59ecb2SHans Petter Selasky * 188d59ecb2SHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 198d59ecb2SHans Petter Selasky * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 208d59ecb2SHans Petter Selasky * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 218d59ecb2SHans Petter Selasky * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 228d59ecb2SHans Petter Selasky * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 238d59ecb2SHans Petter Selasky * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 248d59ecb2SHans Petter Selasky * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 258d59ecb2SHans Petter Selasky * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 268d59ecb2SHans Petter Selasky * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 278d59ecb2SHans Petter Selasky * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 288d59ecb2SHans Petter Selasky * 298d59ecb2SHans Petter Selasky * $FreeBSD$ 308d59ecb2SHans Petter Selasky */ 318d59ecb2SHans Petter Selasky #ifndef _LINUX_PCI_H_ 328d59ecb2SHans Petter Selasky #define _LINUX_PCI_H_ 338d59ecb2SHans Petter Selasky 348d59ecb2SHans Petter Selasky #define CONFIG_PCI_MSI 358d59ecb2SHans Petter Selasky 368d59ecb2SHans Petter Selasky #include <linux/types.h> 378d59ecb2SHans Petter Selasky 388d59ecb2SHans Petter Selasky #include <sys/param.h> 398d59ecb2SHans Petter Selasky #include <sys/bus.h> 408d59ecb2SHans Petter Selasky #include <sys/pciio.h> 418d59ecb2SHans Petter Selasky #include <sys/rman.h> 428d59ecb2SHans Petter Selasky #include <dev/pci/pcivar.h> 438d59ecb2SHans Petter Selasky #include <dev/pci/pcireg.h> 448d59ecb2SHans Petter Selasky #include <dev/pci/pci_private.h> 458d59ecb2SHans Petter Selasky 468d59ecb2SHans Petter Selasky #include <machine/resource.h> 478d59ecb2SHans Petter Selasky 488d59ecb2SHans Petter Selasky #include <linux/list.h> 498d59ecb2SHans Petter Selasky #include <linux/dmapool.h> 508d59ecb2SHans Petter Selasky #include <linux/dma-mapping.h> 518d59ecb2SHans Petter Selasky #include <linux/compiler.h> 528d59ecb2SHans Petter Selasky #include <linux/errno.h> 538d59ecb2SHans Petter Selasky #include <asm/atomic.h> 548d59ecb2SHans Petter Selasky #include <linux/device.h> 558d59ecb2SHans Petter Selasky 568d59ecb2SHans Petter Selasky struct pci_device_id { 578d59ecb2SHans Petter Selasky uint32_t vendor; 588d59ecb2SHans Petter Selasky uint32_t device; 598d59ecb2SHans Petter Selasky uint32_t subvendor; 608d59ecb2SHans Petter Selasky uint32_t subdevice; 618d59ecb2SHans Petter Selasky uint32_t class_mask; 628d59ecb2SHans Petter Selasky uintptr_t driver_data; 638d59ecb2SHans Petter Selasky }; 648d59ecb2SHans Petter Selasky 658d59ecb2SHans Petter Selasky #define MODULE_DEVICE_TABLE(bus, table) 668d59ecb2SHans Petter Selasky #define PCI_ANY_ID (-1) 6712af734dSHans Petter Selasky #define PCI_VENDOR_ID_APPLE 0x106b 6812af734dSHans Petter Selasky #define PCI_VENDOR_ID_ASUSTEK 0x1043 6912af734dSHans Petter Selasky #define PCI_VENDOR_ID_ATI 0x1002 7012af734dSHans Petter Selasky #define PCI_VENDOR_ID_DELL 0x1028 7112af734dSHans Petter Selasky #define PCI_VENDOR_ID_HP 0x103c 7212af734dSHans Petter Selasky #define PCI_VENDOR_ID_IBM 0x1014 7312af734dSHans Petter Selasky #define PCI_VENDOR_ID_INTEL 0x8086 748d59ecb2SHans Petter Selasky #define PCI_VENDOR_ID_MELLANOX 0x15b3 7512af734dSHans Petter Selasky #define PCI_VENDOR_ID_SERVERWORKS 0x1166 7612af734dSHans Petter Selasky #define PCI_VENDOR_ID_SONY 0x104d 778d59ecb2SHans Petter Selasky #define PCI_VENDOR_ID_TOPSPIN 0x1867 7812af734dSHans Petter Selasky #define PCI_VENDOR_ID_VIA 0x1106 798d59ecb2SHans Petter Selasky #define PCI_DEVICE_ID_MELLANOX_TAVOR 0x5a44 808d59ecb2SHans Petter Selasky #define PCI_DEVICE_ID_MELLANOX_TAVOR_BRIDGE 0x5a46 818d59ecb2SHans Petter Selasky #define PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT 0x6278 828d59ecb2SHans Petter Selasky #define PCI_DEVICE_ID_MELLANOX_ARBEL 0x6282 838d59ecb2SHans Petter Selasky #define PCI_DEVICE_ID_MELLANOX_SINAI_OLD 0x5e8c 848d59ecb2SHans Petter Selasky #define PCI_DEVICE_ID_MELLANOX_SINAI 0x6274 858d59ecb2SHans Petter Selasky 868d59ecb2SHans Petter Selasky #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) 878d59ecb2SHans Petter Selasky #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) 888d59ecb2SHans Petter Selasky #define PCI_FUNC(devfn) ((devfn) & 0x07) 898d59ecb2SHans Petter Selasky 908d59ecb2SHans Petter Selasky #define PCI_VDEVICE(_vendor, _device) \ 918d59ecb2SHans Petter Selasky .vendor = PCI_VENDOR_ID_##_vendor, .device = (_device), \ 928d59ecb2SHans Petter Selasky .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID 938d59ecb2SHans Petter Selasky #define PCI_DEVICE(_vendor, _device) \ 948d59ecb2SHans Petter Selasky .vendor = (_vendor), .device = (_device), \ 958d59ecb2SHans Petter Selasky .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID 968d59ecb2SHans Petter Selasky 978d59ecb2SHans Petter Selasky #define to_pci_dev(n) container_of(n, struct pci_dev, dev) 988d59ecb2SHans Petter Selasky 998d59ecb2SHans Petter Selasky #define PCI_VENDOR_ID PCIR_DEVVENDOR 1008d59ecb2SHans Petter Selasky #define PCI_COMMAND PCIR_COMMAND 1018d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL /* Device Control */ 1028d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCTL PCIER_LINK_CTL /* Link Control */ 1038d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_TYPE PCIEM_FLAGS_TYPE /* Device/Port type */ 1048d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCAP PCIER_DEVICE_CAP /* Device capabilities */ 1058d59ecb2SHans Petter Selasky #define PCI_EXP_DEVSTA PCIER_DEVICE_STA /* Device Status */ 1068d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCAP PCIER_LINK_CAP /* Link Capabilities */ 1078d59ecb2SHans Petter Selasky #define PCI_EXP_LNKSTA PCIER_LINK_STA /* Link Status */ 1088d59ecb2SHans Petter Selasky #define PCI_EXP_SLTCAP PCIER_SLOT_CAP /* Slot Capabilities */ 1098d59ecb2SHans Petter Selasky #define PCI_EXP_SLTCTL PCIER_SLOT_CTL /* Slot Control */ 1108d59ecb2SHans Petter Selasky #define PCI_EXP_SLTSTA PCIER_SLOT_STA /* Slot Status */ 1118d59ecb2SHans Petter Selasky #define PCI_EXP_RTCTL PCIER_ROOT_CTL /* Root Control */ 1128d59ecb2SHans Petter Selasky #define PCI_EXP_RTCAP PCIER_ROOT_CAP /* Root Capabilities */ 1138d59ecb2SHans Petter Selasky #define PCI_EXP_RTSTA PCIER_ROOT_STA /* Root Status */ 1148d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCAP2 PCIER_DEVICE_CAP2 /* Device Capabilities 2 */ 1158d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCTL2 PCIER_DEVICE_CTL2 /* Device Control 2 */ 1168d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCAP2 PCIER_LINK_CAP2 /* Link Capabilities 2 */ 1178d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCTL2 PCIER_LINK_CTL2 /* Link Control 2 */ 1188d59ecb2SHans Petter Selasky #define PCI_EXP_LNKSTA2 PCIER_LINK_STA2 /* Link Status 2 */ 1198d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS PCIER_FLAGS /* Capabilities register */ 1208d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_VERS PCIEM_FLAGS_VERSION /* Capability version */ 1218d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_ROOT_PORT PCIEM_TYPE_ROOT_PORT /* Root Port */ 1228d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_ENDPOINT PCIEM_TYPE_ENDPOINT /* Express Endpoint */ 1238d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_LEG_END PCIEM_TYPE_LEGACY_ENDPOINT /* Legacy Endpoint */ 1248d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_DOWNSTREAM PCIEM_TYPE_DOWNSTREAM_PORT /* Downstream Port */ 1258d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_SLOT PCIEM_FLAGS_SLOT /* Slot implemented */ 1268d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_RC_EC PCIEM_TYPE_ROOT_EC /* Root Complex Event Collector */ 127a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_2_5GB 0x01 /* Supported Link Speed 2.5GT/s */ 128a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_5_0GB 0x02 /* Supported Link Speed 5.0GT/s */ 129a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_MLW 0x03f0 /* Maximum Link Width */ 130a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_2_5GB 0x02 /* Supported Link Speed 2.5GT/s */ 131a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_5_0GB 0x04 /* Supported Link Speed 5.0GT/s */ 132a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_8_0GB 0x08 /* Supported Link Speed 8.0GT/s */ 1338d59ecb2SHans Petter Selasky 13412af734dSHans Petter Selasky #define PCI_EXP_LNKCTL_HAWD PCIEM_LINK_CTL_HAWD 13512af734dSHans Petter Selasky #define PCI_EXP_LNKCAP_CLKPM 0x00040000 13612af734dSHans Petter Selasky #define PCI_EXP_DEVSTA_TRPND 0x0020 13712af734dSHans Petter Selasky 138bdff61f8SHans Petter Selasky #define IORESOURCE_MEM (1 << SYS_RES_MEMORY) 139bdff61f8SHans Petter Selasky #define IORESOURCE_IO (1 << SYS_RES_IOPORT) 140bdff61f8SHans Petter Selasky #define IORESOURCE_IRQ (1 << SYS_RES_IRQ) 1418d59ecb2SHans Petter Selasky 142a65ef215SHans Petter Selasky enum pci_bus_speed { 143a65ef215SHans Petter Selasky PCI_SPEED_UNKNOWN = -1, 144a65ef215SHans Petter Selasky PCIE_SPEED_2_5GT, 145a65ef215SHans Petter Selasky PCIE_SPEED_5_0GT, 146a65ef215SHans Petter Selasky PCIE_SPEED_8_0GT, 147a65ef215SHans Petter Selasky }; 1488d59ecb2SHans Petter Selasky 149a65ef215SHans Petter Selasky enum pcie_link_width { 15012af734dSHans Petter Selasky PCIE_LNK_WIDTH_UNKNOWN = 0xFF, 151a65ef215SHans Petter Selasky }; 152a65ef215SHans Petter Selasky 15312af734dSHans Petter Selasky typedef int pci_power_t; 15412af734dSHans Petter Selasky 15512af734dSHans Petter Selasky #define PCI_D0 PCI_POWERSTATE_D0 15612af734dSHans Petter Selasky #define PCI_D1 PCI_POWERSTATE_D1 15712af734dSHans Petter Selasky #define PCI_D2 PCI_POWERSTATE_D2 15812af734dSHans Petter Selasky #define PCI_D3hot PCI_POWERSTATE_D3 15912af734dSHans Petter Selasky #define PCI_D3cold 4 16012af734dSHans Petter Selasky 16112af734dSHans Petter Selasky #define PCI_POWER_ERROR PCI_POWERSTATE_UNKNOWN 16212af734dSHans Petter Selasky 163a65ef215SHans Petter Selasky struct pci_dev; 1648d59ecb2SHans Petter Selasky 1658d59ecb2SHans Petter Selasky struct pci_driver { 1668d59ecb2SHans Petter Selasky struct list_head links; 1678d59ecb2SHans Petter Selasky char *name; 1688d59ecb2SHans Petter Selasky const struct pci_device_id *id_table; 1698d59ecb2SHans Petter Selasky int (*probe)(struct pci_dev *dev, const struct pci_device_id *id); 1708d59ecb2SHans Petter Selasky void (*remove)(struct pci_dev *dev); 1718d59ecb2SHans Petter Selasky int (*suspend) (struct pci_dev *dev, pm_message_t state); /* Device suspended */ 1728d59ecb2SHans Petter Selasky int (*resume) (struct pci_dev *dev); /* Device woken up */ 1737d133393SHans Petter Selasky void (*shutdown) (struct pci_dev *dev); /* Device shutdown */ 1748d59ecb2SHans Petter Selasky driver_t driver; 1758d59ecb2SHans Petter Selasky devclass_t bsdclass; 1768d59ecb2SHans Petter Selasky const struct pci_error_handlers *err_handler; 1778d59ecb2SHans Petter Selasky }; 1788d59ecb2SHans Petter Selasky 1798d59ecb2SHans Petter Selasky extern struct list_head pci_drivers; 1808d59ecb2SHans Petter Selasky extern struct list_head pci_devices; 1818d59ecb2SHans Petter Selasky extern spinlock_t pci_lock; 1828d59ecb2SHans Petter Selasky 1838d59ecb2SHans Petter Selasky #define __devexit_p(x) x 1848d59ecb2SHans Petter Selasky 1858d59ecb2SHans Petter Selasky struct pci_dev { 1868d59ecb2SHans Petter Selasky struct device dev; 1878d59ecb2SHans Petter Selasky struct list_head links; 1888d59ecb2SHans Petter Selasky struct pci_driver *pdrv; 1898d59ecb2SHans Petter Selasky uint64_t dma_mask; 1908d59ecb2SHans Petter Selasky uint16_t device; 1918d59ecb2SHans Petter Selasky uint16_t vendor; 1928d59ecb2SHans Petter Selasky unsigned int irq; 1938d59ecb2SHans Petter Selasky unsigned int devfn; 1948d59ecb2SHans Petter Selasky u8 revision; 1958d59ecb2SHans Petter Selasky }; 1968d59ecb2SHans Petter Selasky 1978d59ecb2SHans Petter Selasky static inline struct resource_list_entry * 198e996b07cSHans Petter Selasky linux_pci_get_rle(struct pci_dev *pdev, int type, int rid) 1998d59ecb2SHans Petter Selasky { 2008d59ecb2SHans Petter Selasky struct pci_devinfo *dinfo; 2018d59ecb2SHans Petter Selasky struct resource_list *rl; 2028d59ecb2SHans Petter Selasky 2038d59ecb2SHans Petter Selasky dinfo = device_get_ivars(pdev->dev.bsddev); 2048d59ecb2SHans Petter Selasky rl = &dinfo->resources; 2058d59ecb2SHans Petter Selasky return resource_list_find(rl, type, rid); 2068d59ecb2SHans Petter Selasky } 2078d59ecb2SHans Petter Selasky 2088d59ecb2SHans Petter Selasky static inline struct resource_list_entry * 209e996b07cSHans Petter Selasky linux_pci_get_bar(struct pci_dev *pdev, int bar) 2108d59ecb2SHans Petter Selasky { 2118d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 2128d59ecb2SHans Petter Selasky 2138d59ecb2SHans Petter Selasky bar = PCIR_BAR(bar); 214e996b07cSHans Petter Selasky if ((rle = linux_pci_get_rle(pdev, SYS_RES_MEMORY, bar)) == NULL) 215e996b07cSHans Petter Selasky rle = linux_pci_get_rle(pdev, SYS_RES_IOPORT, bar); 2168d59ecb2SHans Petter Selasky return (rle); 2178d59ecb2SHans Petter Selasky } 2188d59ecb2SHans Petter Selasky 2198d59ecb2SHans Petter Selasky static inline struct device * 220e996b07cSHans Petter Selasky linux_pci_find_irq_dev(unsigned int irq) 2218d59ecb2SHans Petter Selasky { 2228d59ecb2SHans Petter Selasky struct pci_dev *pdev; 2238d59ecb2SHans Petter Selasky 2248d59ecb2SHans Petter Selasky spin_lock(&pci_lock); 2258d59ecb2SHans Petter Selasky list_for_each_entry(pdev, &pci_devices, links) { 2268d59ecb2SHans Petter Selasky if (irq == pdev->dev.irq) 2278d59ecb2SHans Petter Selasky break; 2288d59ecb2SHans Petter Selasky if (irq >= pdev->dev.msix && irq < pdev->dev.msix_max) 2298d59ecb2SHans Petter Selasky break; 2308d59ecb2SHans Petter Selasky } 2318d59ecb2SHans Petter Selasky spin_unlock(&pci_lock); 2328d59ecb2SHans Petter Selasky if (pdev) 2338d59ecb2SHans Petter Selasky return &pdev->dev; 2348d59ecb2SHans Petter Selasky return (NULL); 2358d59ecb2SHans Petter Selasky } 2368d59ecb2SHans Petter Selasky 2378d59ecb2SHans Petter Selasky static inline unsigned long 2388d59ecb2SHans Petter Selasky pci_resource_start(struct pci_dev *pdev, int bar) 2398d59ecb2SHans Petter Selasky { 2408d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 2418d59ecb2SHans Petter Selasky 242e996b07cSHans Petter Selasky if ((rle = linux_pci_get_bar(pdev, bar)) == NULL) 2438d59ecb2SHans Petter Selasky return (0); 2448d59ecb2SHans Petter Selasky return rle->start; 2458d59ecb2SHans Petter Selasky } 2468d59ecb2SHans Petter Selasky 2478d59ecb2SHans Petter Selasky static inline unsigned long 2488d59ecb2SHans Petter Selasky pci_resource_len(struct pci_dev *pdev, int bar) 2498d59ecb2SHans Petter Selasky { 2508d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 2518d59ecb2SHans Petter Selasky 252e996b07cSHans Petter Selasky if ((rle = linux_pci_get_bar(pdev, bar)) == NULL) 2538d59ecb2SHans Petter Selasky return (0); 2548d59ecb2SHans Petter Selasky return rle->count; 2558d59ecb2SHans Petter Selasky } 2568d59ecb2SHans Petter Selasky 257bdff61f8SHans Petter Selasky static inline int 258bdff61f8SHans Petter Selasky pci_resource_type(struct pci_dev *pdev, int bar) 259bdff61f8SHans Petter Selasky { 2606faefea0SSepherosa Ziehau struct pci_map *pm; 261bdff61f8SHans Petter Selasky 2626faefea0SSepherosa Ziehau pm = pci_find_bar(pdev->dev.bsddev, PCIR_BAR(bar)); 2636faefea0SSepherosa Ziehau if (!pm) 264bdff61f8SHans Petter Selasky return (-1); 2656faefea0SSepherosa Ziehau 2666faefea0SSepherosa Ziehau if (PCI_BAR_IO(pm->pm_value)) 2676faefea0SSepherosa Ziehau return (SYS_RES_IOPORT); 2686faefea0SSepherosa Ziehau else 2696faefea0SSepherosa Ziehau return (SYS_RES_MEMORY); 270bdff61f8SHans Petter Selasky } 271bdff61f8SHans Petter Selasky 2728d59ecb2SHans Petter Selasky /* 2738d59ecb2SHans Petter Selasky * All drivers just seem to want to inspect the type not flags. 2748d59ecb2SHans Petter Selasky */ 2758d59ecb2SHans Petter Selasky static inline int 2768d59ecb2SHans Petter Selasky pci_resource_flags(struct pci_dev *pdev, int bar) 2778d59ecb2SHans Petter Selasky { 278bdff61f8SHans Petter Selasky int type; 2798d59ecb2SHans Petter Selasky 280bdff61f8SHans Petter Selasky type = pci_resource_type(pdev, bar); 281bdff61f8SHans Petter Selasky if (type < 0) 2828d59ecb2SHans Petter Selasky return (0); 283bdff61f8SHans Petter Selasky return (1 << type); 2848d59ecb2SHans Petter Selasky } 2858d59ecb2SHans Petter Selasky 2868d59ecb2SHans Petter Selasky static inline const char * 2878d59ecb2SHans Petter Selasky pci_name(struct pci_dev *d) 2888d59ecb2SHans Petter Selasky { 2898d59ecb2SHans Petter Selasky 2908d59ecb2SHans Petter Selasky return device_get_desc(d->dev.bsddev); 2918d59ecb2SHans Petter Selasky } 2928d59ecb2SHans Petter Selasky 2938d59ecb2SHans Petter Selasky static inline void * 2948d59ecb2SHans Petter Selasky pci_get_drvdata(struct pci_dev *pdev) 2958d59ecb2SHans Petter Selasky { 2968d59ecb2SHans Petter Selasky 2978d59ecb2SHans Petter Selasky return dev_get_drvdata(&pdev->dev); 2988d59ecb2SHans Petter Selasky } 2998d59ecb2SHans Petter Selasky 3008d59ecb2SHans Petter Selasky static inline void 3018d59ecb2SHans Petter Selasky pci_set_drvdata(struct pci_dev *pdev, void *data) 3028d59ecb2SHans Petter Selasky { 3038d59ecb2SHans Petter Selasky 3048d59ecb2SHans Petter Selasky dev_set_drvdata(&pdev->dev, data); 3058d59ecb2SHans Petter Selasky } 3068d59ecb2SHans Petter Selasky 3078d59ecb2SHans Petter Selasky static inline int 3088d59ecb2SHans Petter Selasky pci_enable_device(struct pci_dev *pdev) 3098d59ecb2SHans Petter Selasky { 3108d59ecb2SHans Petter Selasky 3118d59ecb2SHans Petter Selasky pci_enable_io(pdev->dev.bsddev, SYS_RES_IOPORT); 3128d59ecb2SHans Petter Selasky pci_enable_io(pdev->dev.bsddev, SYS_RES_MEMORY); 3138d59ecb2SHans Petter Selasky return (0); 3148d59ecb2SHans Petter Selasky } 3158d59ecb2SHans Petter Selasky 3168d59ecb2SHans Petter Selasky static inline void 3178d59ecb2SHans Petter Selasky pci_disable_device(struct pci_dev *pdev) 3188d59ecb2SHans Petter Selasky { 3198d59ecb2SHans Petter Selasky } 3208d59ecb2SHans Petter Selasky 3218d59ecb2SHans Petter Selasky static inline int 3228d59ecb2SHans Petter Selasky pci_set_master(struct pci_dev *pdev) 3238d59ecb2SHans Petter Selasky { 3248d59ecb2SHans Petter Selasky 3258d59ecb2SHans Petter Selasky pci_enable_busmaster(pdev->dev.bsddev); 3268d59ecb2SHans Petter Selasky return (0); 3278d59ecb2SHans Petter Selasky } 3288d59ecb2SHans Petter Selasky 3298d59ecb2SHans Petter Selasky static inline int 33012af734dSHans Petter Selasky pci_set_power_state(struct pci_dev *pdev, int state) 33112af734dSHans Petter Selasky { 33212af734dSHans Petter Selasky 33312af734dSHans Petter Selasky pci_set_powerstate(pdev->dev.bsddev, state); 33412af734dSHans Petter Selasky return (0); 33512af734dSHans Petter Selasky } 33612af734dSHans Petter Selasky 33712af734dSHans Petter Selasky static inline int 3388d59ecb2SHans Petter Selasky pci_clear_master(struct pci_dev *pdev) 3398d59ecb2SHans Petter Selasky { 3408d59ecb2SHans Petter Selasky 3418d59ecb2SHans Petter Selasky pci_disable_busmaster(pdev->dev.bsddev); 3428d59ecb2SHans Petter Selasky return (0); 3438d59ecb2SHans Petter Selasky } 3448d59ecb2SHans Petter Selasky 3458d59ecb2SHans Petter Selasky static inline int 3468d59ecb2SHans Petter Selasky pci_request_region(struct pci_dev *pdev, int bar, const char *res_name) 3478d59ecb2SHans Petter Selasky { 3488d59ecb2SHans Petter Selasky int rid; 3498d59ecb2SHans Petter Selasky int type; 3508d59ecb2SHans Petter Selasky 351bdff61f8SHans Petter Selasky type = pci_resource_type(pdev, bar); 352bdff61f8SHans Petter Selasky if (type < 0) 3538d59ecb2SHans Petter Selasky return (-ENODEV); 3548d59ecb2SHans Petter Selasky rid = PCIR_BAR(bar); 3558d59ecb2SHans Petter Selasky if (bus_alloc_resource_any(pdev->dev.bsddev, type, &rid, 3568d59ecb2SHans Petter Selasky RF_ACTIVE) == NULL) 3578d59ecb2SHans Petter Selasky return (-EINVAL); 3588d59ecb2SHans Petter Selasky return (0); 3598d59ecb2SHans Petter Selasky } 3608d59ecb2SHans Petter Selasky 3618d59ecb2SHans Petter Selasky static inline void 3628d59ecb2SHans Petter Selasky pci_release_region(struct pci_dev *pdev, int bar) 3638d59ecb2SHans Petter Selasky { 3648d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 3658d59ecb2SHans Petter Selasky 366e996b07cSHans Petter Selasky if ((rle = linux_pci_get_bar(pdev, bar)) == NULL) 3678d59ecb2SHans Petter Selasky return; 3688d59ecb2SHans Petter Selasky bus_release_resource(pdev->dev.bsddev, rle->type, rle->rid, rle->res); 3698d59ecb2SHans Petter Selasky } 3708d59ecb2SHans Petter Selasky 3718d59ecb2SHans Petter Selasky static inline void 3728d59ecb2SHans Petter Selasky pci_release_regions(struct pci_dev *pdev) 3738d59ecb2SHans Petter Selasky { 3748d59ecb2SHans Petter Selasky int i; 3758d59ecb2SHans Petter Selasky 3768d59ecb2SHans Petter Selasky for (i = 0; i <= PCIR_MAX_BAR_0; i++) 3778d59ecb2SHans Petter Selasky pci_release_region(pdev, i); 3788d59ecb2SHans Petter Selasky } 3798d59ecb2SHans Petter Selasky 3808d59ecb2SHans Petter Selasky static inline int 3818d59ecb2SHans Petter Selasky pci_request_regions(struct pci_dev *pdev, const char *res_name) 3828d59ecb2SHans Petter Selasky { 3838d59ecb2SHans Petter Selasky int error; 3848d59ecb2SHans Petter Selasky int i; 3858d59ecb2SHans Petter Selasky 3868d59ecb2SHans Petter Selasky for (i = 0; i <= PCIR_MAX_BAR_0; i++) { 3878d59ecb2SHans Petter Selasky error = pci_request_region(pdev, i, res_name); 3888d59ecb2SHans Petter Selasky if (error && error != -ENODEV) { 3898d59ecb2SHans Petter Selasky pci_release_regions(pdev); 3908d59ecb2SHans Petter Selasky return (error); 3918d59ecb2SHans Petter Selasky } 3928d59ecb2SHans Petter Selasky } 3938d59ecb2SHans Petter Selasky return (0); 3948d59ecb2SHans Petter Selasky } 3958d59ecb2SHans Petter Selasky 3968d59ecb2SHans Petter Selasky static inline void 3978d59ecb2SHans Petter Selasky pci_disable_msix(struct pci_dev *pdev) 3988d59ecb2SHans Petter Selasky { 3998d59ecb2SHans Petter Selasky 4008d59ecb2SHans Petter Selasky pci_release_msi(pdev->dev.bsddev); 4018d59ecb2SHans Petter Selasky } 4028d59ecb2SHans Petter Selasky 40312af734dSHans Petter Selasky static inline bus_addr_t 40412af734dSHans Petter Selasky pci_bus_address(struct pci_dev *pdev, int bar) 40512af734dSHans Petter Selasky { 40612af734dSHans Petter Selasky 40712af734dSHans Petter Selasky return (pci_resource_start(pdev, bar)); 40812af734dSHans Petter Selasky } 40912af734dSHans Petter Selasky 4108d59ecb2SHans Petter Selasky #define PCI_CAP_ID_EXP PCIY_EXPRESS 4118d59ecb2SHans Petter Selasky #define PCI_CAP_ID_PCIX PCIY_PCIX 41212af734dSHans Petter Selasky #define PCI_CAP_ID_AGP PCIY_AGP 41312af734dSHans Petter Selasky #define PCI_CAP_ID_PM PCIY_PMG 4148d59ecb2SHans Petter Selasky 41512af734dSHans Petter Selasky #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL 41612af734dSHans Petter Selasky #define PCI_EXP_DEVCTL_PAYLOAD PCIEM_CTL_MAX_PAYLOAD 41712af734dSHans Petter Selasky #define PCI_EXP_DEVCTL_READRQ PCIEM_CTL_MAX_READ_REQUEST 41812af734dSHans Petter Selasky #define PCI_EXP_LNKCTL PCIER_LINK_CTL 41912af734dSHans Petter Selasky #define PCI_EXP_LNKSTA PCIER_LINK_STA 4208d59ecb2SHans Petter Selasky 4218d59ecb2SHans Petter Selasky static inline int 4228d59ecb2SHans Petter Selasky pci_find_capability(struct pci_dev *pdev, int capid) 4238d59ecb2SHans Petter Selasky { 4248d59ecb2SHans Petter Selasky int reg; 4258d59ecb2SHans Petter Selasky 4268d59ecb2SHans Petter Selasky if (pci_find_cap(pdev->dev.bsddev, capid, ®)) 4278d59ecb2SHans Petter Selasky return (0); 4288d59ecb2SHans Petter Selasky return (reg); 4298d59ecb2SHans Petter Selasky } 4308d59ecb2SHans Petter Selasky 4318d59ecb2SHans Petter Selasky static inline int pci_pcie_cap(struct pci_dev *dev) 4328d59ecb2SHans Petter Selasky { 4338d59ecb2SHans Petter Selasky return pci_find_capability(dev, PCI_CAP_ID_EXP); 4348d59ecb2SHans Petter Selasky } 4358d59ecb2SHans Petter Selasky 4368d59ecb2SHans Petter Selasky 4378d59ecb2SHans Petter Selasky static inline int 4388d59ecb2SHans Petter Selasky pci_read_config_byte(struct pci_dev *pdev, int where, u8 *val) 4398d59ecb2SHans Petter Selasky { 4408d59ecb2SHans Petter Selasky 4418d59ecb2SHans Petter Selasky *val = (u8)pci_read_config(pdev->dev.bsddev, where, 1); 4428d59ecb2SHans Petter Selasky return (0); 4438d59ecb2SHans Petter Selasky } 4448d59ecb2SHans Petter Selasky 4458d59ecb2SHans Petter Selasky static inline int 4468d59ecb2SHans Petter Selasky pci_read_config_word(struct pci_dev *pdev, int where, u16 *val) 4478d59ecb2SHans Petter Selasky { 4488d59ecb2SHans Petter Selasky 4498d59ecb2SHans Petter Selasky *val = (u16)pci_read_config(pdev->dev.bsddev, where, 2); 4508d59ecb2SHans Petter Selasky return (0); 4518d59ecb2SHans Petter Selasky } 4528d59ecb2SHans Petter Selasky 4538d59ecb2SHans Petter Selasky static inline int 4548d59ecb2SHans Petter Selasky pci_read_config_dword(struct pci_dev *pdev, int where, u32 *val) 4558d59ecb2SHans Petter Selasky { 4568d59ecb2SHans Petter Selasky 4578d59ecb2SHans Petter Selasky *val = (u32)pci_read_config(pdev->dev.bsddev, where, 4); 4588d59ecb2SHans Petter Selasky return (0); 4598d59ecb2SHans Petter Selasky } 4608d59ecb2SHans Petter Selasky 4618d59ecb2SHans Petter Selasky static inline int 4628d59ecb2SHans Petter Selasky pci_write_config_byte(struct pci_dev *pdev, int where, u8 val) 4638d59ecb2SHans Petter Selasky { 4648d59ecb2SHans Petter Selasky 4658d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 1); 4668d59ecb2SHans Petter Selasky return (0); 4678d59ecb2SHans Petter Selasky } 4688d59ecb2SHans Petter Selasky 4698d59ecb2SHans Petter Selasky static inline int 4708d59ecb2SHans Petter Selasky pci_write_config_word(struct pci_dev *pdev, int where, u16 val) 4718d59ecb2SHans Petter Selasky { 4728d59ecb2SHans Petter Selasky 4738d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 2); 4748d59ecb2SHans Petter Selasky return (0); 4758d59ecb2SHans Petter Selasky } 4768d59ecb2SHans Petter Selasky 4778d59ecb2SHans Petter Selasky static inline int 4788d59ecb2SHans Petter Selasky pci_write_config_dword(struct pci_dev *pdev, int where, u32 val) 4798d59ecb2SHans Petter Selasky { 4808d59ecb2SHans Petter Selasky 4818d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 4); 4828d59ecb2SHans Petter Selasky return (0); 4838d59ecb2SHans Petter Selasky } 4848d59ecb2SHans Petter Selasky 4858d59ecb2SHans Petter Selasky extern int pci_register_driver(struct pci_driver *pdrv); 4868d59ecb2SHans Petter Selasky extern void pci_unregister_driver(struct pci_driver *pdrv); 4878d59ecb2SHans Petter Selasky 4888d59ecb2SHans Petter Selasky struct msix_entry { 4898d59ecb2SHans Petter Selasky int entry; 4908d59ecb2SHans Petter Selasky int vector; 4918d59ecb2SHans Petter Selasky }; 4928d59ecb2SHans Petter Selasky 4938d59ecb2SHans Petter Selasky /* 4948d59ecb2SHans Petter Selasky * Enable msix, positive errors indicate actual number of available 4958d59ecb2SHans Petter Selasky * vectors. Negative errors are failures. 4968d59ecb2SHans Petter Selasky * 4978d59ecb2SHans Petter Selasky * NB: define added to prevent this definition of pci_enable_msix from 4988d59ecb2SHans Petter Selasky * clashing with the native FreeBSD version. 4998d59ecb2SHans Petter Selasky */ 5008d59ecb2SHans Petter Selasky #define pci_enable_msix linux_pci_enable_msix 5018d59ecb2SHans Petter Selasky static inline int 5028d59ecb2SHans Petter Selasky pci_enable_msix(struct pci_dev *pdev, struct msix_entry *entries, int nreq) 5038d59ecb2SHans Petter Selasky { 5048d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 5058d59ecb2SHans Petter Selasky int error; 5068d59ecb2SHans Petter Selasky int avail; 5078d59ecb2SHans Petter Selasky int i; 5088d59ecb2SHans Petter Selasky 5098d59ecb2SHans Petter Selasky avail = pci_msix_count(pdev->dev.bsddev); 5108d59ecb2SHans Petter Selasky if (avail < nreq) { 5118d59ecb2SHans Petter Selasky if (avail == 0) 5128d59ecb2SHans Petter Selasky return -EINVAL; 5138d59ecb2SHans Petter Selasky return avail; 5148d59ecb2SHans Petter Selasky } 5158d59ecb2SHans Petter Selasky avail = nreq; 5168d59ecb2SHans Petter Selasky if ((error = -pci_alloc_msix(pdev->dev.bsddev, &avail)) != 0) 5178d59ecb2SHans Petter Selasky return error; 5188d59ecb2SHans Petter Selasky /* 5198d59ecb2SHans Petter Selasky * Handle case where "pci_alloc_msix()" may allocate less 5208d59ecb2SHans Petter Selasky * interrupts than available and return with no error: 5218d59ecb2SHans Petter Selasky */ 5228d59ecb2SHans Petter Selasky if (avail < nreq) { 5238d59ecb2SHans Petter Selasky pci_release_msi(pdev->dev.bsddev); 5248d59ecb2SHans Petter Selasky return avail; 5258d59ecb2SHans Petter Selasky } 526e996b07cSHans Petter Selasky rle = linux_pci_get_rle(pdev, SYS_RES_IRQ, 1); 5278d59ecb2SHans Petter Selasky pdev->dev.msix = rle->start; 5288d59ecb2SHans Petter Selasky pdev->dev.msix_max = rle->start + avail; 5298d59ecb2SHans Petter Selasky for (i = 0; i < nreq; i++) 5308d59ecb2SHans Petter Selasky entries[i].vector = pdev->dev.msix + i; 5318d59ecb2SHans Petter Selasky return (0); 5328d59ecb2SHans Petter Selasky } 5338d59ecb2SHans Petter Selasky 5348d59ecb2SHans Petter Selasky #define pci_enable_msix_range linux_pci_enable_msix_range 5358d59ecb2SHans Petter Selasky static inline int 5368d59ecb2SHans Petter Selasky pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries, 5378d59ecb2SHans Petter Selasky int minvec, int maxvec) 5388d59ecb2SHans Petter Selasky { 5398d59ecb2SHans Petter Selasky int nvec = maxvec; 5408d59ecb2SHans Petter Selasky int rc; 5418d59ecb2SHans Petter Selasky 5428d59ecb2SHans Petter Selasky if (maxvec < minvec) 5438d59ecb2SHans Petter Selasky return (-ERANGE); 5448d59ecb2SHans Petter Selasky 5458d59ecb2SHans Petter Selasky do { 5468d59ecb2SHans Petter Selasky rc = pci_enable_msix(dev, entries, nvec); 5478d59ecb2SHans Petter Selasky if (rc < 0) { 5488d59ecb2SHans Petter Selasky return (rc); 5498d59ecb2SHans Petter Selasky } else if (rc > 0) { 5508d59ecb2SHans Petter Selasky if (rc < minvec) 5518d59ecb2SHans Petter Selasky return (-ENOSPC); 5528d59ecb2SHans Petter Selasky nvec = rc; 5538d59ecb2SHans Petter Selasky } 5548d59ecb2SHans Petter Selasky } while (rc); 5558d59ecb2SHans Petter Selasky return (nvec); 5568d59ecb2SHans Petter Selasky } 5578d59ecb2SHans Petter Selasky 5588d59ecb2SHans Petter Selasky static inline int pci_channel_offline(struct pci_dev *pdev) 5598d59ecb2SHans Petter Selasky { 5608d59ecb2SHans Petter Selasky return false; 5618d59ecb2SHans Petter Selasky } 5628d59ecb2SHans Petter Selasky 5638d59ecb2SHans Petter Selasky static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn) 5648d59ecb2SHans Petter Selasky { 5658d59ecb2SHans Petter Selasky return -ENODEV; 5668d59ecb2SHans Petter Selasky } 5678d59ecb2SHans Petter Selasky static inline void pci_disable_sriov(struct pci_dev *dev) 5688d59ecb2SHans Petter Selasky { 5698d59ecb2SHans Petter Selasky } 5708d59ecb2SHans Petter Selasky 5718d59ecb2SHans Petter Selasky #define DEFINE_PCI_DEVICE_TABLE(_table) \ 5728d59ecb2SHans Petter Selasky const struct pci_device_id _table[] __devinitdata 5738d59ecb2SHans Petter Selasky 5748d59ecb2SHans Petter Selasky 5758d59ecb2SHans Petter Selasky /* XXX This should not be necessary. */ 5768d59ecb2SHans Petter Selasky #define pcix_set_mmrbc(d, v) 0 5778d59ecb2SHans Petter Selasky #define pcix_get_max_mmrbc(d) 0 5788d59ecb2SHans Petter Selasky #define pcie_set_readrq(d, v) 0 5798d59ecb2SHans Petter Selasky 5808d59ecb2SHans Petter Selasky #define PCI_DMA_BIDIRECTIONAL 0 5818d59ecb2SHans Petter Selasky #define PCI_DMA_TODEVICE 1 5828d59ecb2SHans Petter Selasky #define PCI_DMA_FROMDEVICE 2 5838d59ecb2SHans Petter Selasky #define PCI_DMA_NONE 3 5848d59ecb2SHans Petter Selasky 5858d59ecb2SHans Petter Selasky #define pci_pool dma_pool 5861724ded4SHans Petter Selasky #define pci_pool_destroy(...) dma_pool_destroy(__VA_ARGS__) 5871724ded4SHans Petter Selasky #define pci_pool_alloc(...) dma_pool_alloc(__VA_ARGS__) 5881724ded4SHans Petter Selasky #define pci_pool_free(...) dma_pool_free(__VA_ARGS__) 5898d59ecb2SHans Petter Selasky #define pci_pool_create(_name, _pdev, _size, _align, _alloc) \ 5908d59ecb2SHans Petter Selasky dma_pool_create(_name, &(_pdev)->dev, _size, _align, _alloc) 5918d59ecb2SHans Petter Selasky #define pci_free_consistent(_hwdev, _size, _vaddr, _dma_handle) \ 5928d59ecb2SHans Petter Selasky dma_free_coherent((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 5938d59ecb2SHans Petter Selasky _size, _vaddr, _dma_handle) 5948d59ecb2SHans Petter Selasky #define pci_map_sg(_hwdev, _sg, _nents, _dir) \ 5958d59ecb2SHans Petter Selasky dma_map_sg((_hwdev) == NULL ? NULL : &(_hwdev->dev), \ 5968d59ecb2SHans Petter Selasky _sg, _nents, (enum dma_data_direction)_dir) 5978d59ecb2SHans Petter Selasky #define pci_map_single(_hwdev, _ptr, _size, _dir) \ 5988d59ecb2SHans Petter Selasky dma_map_single((_hwdev) == NULL ? NULL : &(_hwdev->dev), \ 5998d59ecb2SHans Petter Selasky (_ptr), (_size), (enum dma_data_direction)_dir) 6008d59ecb2SHans Petter Selasky #define pci_unmap_single(_hwdev, _addr, _size, _dir) \ 6018d59ecb2SHans Petter Selasky dma_unmap_single((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 6028d59ecb2SHans Petter Selasky _addr, _size, (enum dma_data_direction)_dir) 6038d59ecb2SHans Petter Selasky #define pci_unmap_sg(_hwdev, _sg, _nents, _dir) \ 6048d59ecb2SHans Petter Selasky dma_unmap_sg((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 6058d59ecb2SHans Petter Selasky _sg, _nents, (enum dma_data_direction)_dir) 6068d59ecb2SHans Petter Selasky #define pci_map_page(_hwdev, _page, _offset, _size, _dir) \ 6078d59ecb2SHans Petter Selasky dma_map_page((_hwdev) == NULL ? NULL : &(_hwdev)->dev, _page,\ 6088d59ecb2SHans Petter Selasky _offset, _size, (enum dma_data_direction)_dir) 6098d59ecb2SHans Petter Selasky #define pci_unmap_page(_hwdev, _dma_address, _size, _dir) \ 6108d59ecb2SHans Petter Selasky dma_unmap_page((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 6118d59ecb2SHans Petter Selasky _dma_address, _size, (enum dma_data_direction)_dir) 6128d59ecb2SHans Petter Selasky #define pci_set_dma_mask(_pdev, mask) dma_set_mask(&(_pdev)->dev, (mask)) 6138d59ecb2SHans Petter Selasky #define pci_dma_mapping_error(_pdev, _dma_addr) \ 6148d59ecb2SHans Petter Selasky dma_mapping_error(&(_pdev)->dev, _dma_addr) 6158d59ecb2SHans Petter Selasky #define pci_set_consistent_dma_mask(_pdev, _mask) \ 6168d59ecb2SHans Petter Selasky dma_set_coherent_mask(&(_pdev)->dev, (_mask)) 6178d59ecb2SHans Petter Selasky #define DECLARE_PCI_UNMAP_ADDR(x) DEFINE_DMA_UNMAP_ADDR(x); 6188d59ecb2SHans Petter Selasky #define DECLARE_PCI_UNMAP_LEN(x) DEFINE_DMA_UNMAP_LEN(x); 6198d59ecb2SHans Petter Selasky #define pci_unmap_addr dma_unmap_addr 6208d59ecb2SHans Petter Selasky #define pci_unmap_addr_set dma_unmap_addr_set 6218d59ecb2SHans Petter Selasky #define pci_unmap_len dma_unmap_len 6228d59ecb2SHans Petter Selasky #define pci_unmap_len_set dma_unmap_len_set 6238d59ecb2SHans Petter Selasky 6248d59ecb2SHans Petter Selasky typedef unsigned int __bitwise pci_channel_state_t; 6258d59ecb2SHans Petter Selasky typedef unsigned int __bitwise pci_ers_result_t; 6268d59ecb2SHans Petter Selasky 6278d59ecb2SHans Petter Selasky enum pci_channel_state { 628a65ef215SHans Petter Selasky pci_channel_io_normal = 1, 629a65ef215SHans Petter Selasky pci_channel_io_frozen = 2, 630a65ef215SHans Petter Selasky pci_channel_io_perm_failure = 3, 6318d59ecb2SHans Petter Selasky }; 6328d59ecb2SHans Petter Selasky 6338d59ecb2SHans Petter Selasky enum pci_ers_result { 634a65ef215SHans Petter Selasky PCI_ERS_RESULT_NONE = 1, 635a65ef215SHans Petter Selasky PCI_ERS_RESULT_CAN_RECOVER = 2, 636a65ef215SHans Petter Selasky PCI_ERS_RESULT_NEED_RESET = 3, 637a65ef215SHans Petter Selasky PCI_ERS_RESULT_DISCONNECT = 4, 638a65ef215SHans Petter Selasky PCI_ERS_RESULT_RECOVERED = 5, 6398d59ecb2SHans Petter Selasky }; 6408d59ecb2SHans Petter Selasky 6418d59ecb2SHans Petter Selasky 6428d59ecb2SHans Petter Selasky /* PCI bus error event callbacks */ 6438d59ecb2SHans Petter Selasky struct pci_error_handlers { 6448d59ecb2SHans Petter Selasky pci_ers_result_t (*error_detected)(struct pci_dev *dev, 6458d59ecb2SHans Petter Selasky enum pci_channel_state error); 6468d59ecb2SHans Petter Selasky pci_ers_result_t (*mmio_enabled)(struct pci_dev *dev); 6478d59ecb2SHans Petter Selasky pci_ers_result_t (*link_reset)(struct pci_dev *dev); 6488d59ecb2SHans Petter Selasky pci_ers_result_t (*slot_reset)(struct pci_dev *dev); 6498d59ecb2SHans Petter Selasky void (*resume)(struct pci_dev *dev); 6508d59ecb2SHans Petter Selasky }; 6518d59ecb2SHans Petter Selasky 652a65ef215SHans Petter Selasky /* FreeBSD does not support SRIOV - yet */ 6538d59ecb2SHans Petter Selasky static inline struct pci_dev *pci_physfn(struct pci_dev *dev) 6548d59ecb2SHans Petter Selasky { 6558d59ecb2SHans Petter Selasky return dev; 6568d59ecb2SHans Petter Selasky } 6578d59ecb2SHans Petter Selasky 6588d59ecb2SHans Petter Selasky static inline bool pci_is_pcie(struct pci_dev *dev) 6598d59ecb2SHans Petter Selasky { 6608d59ecb2SHans Petter Selasky return !!pci_pcie_cap(dev); 6618d59ecb2SHans Petter Selasky } 6628d59ecb2SHans Petter Selasky 6638d59ecb2SHans Petter Selasky static inline u16 pcie_flags_reg(struct pci_dev *dev) 6648d59ecb2SHans Petter Selasky { 6658d59ecb2SHans Petter Selasky int pos; 6668d59ecb2SHans Petter Selasky u16 reg16; 6678d59ecb2SHans Petter Selasky 6688d59ecb2SHans Petter Selasky pos = pci_find_capability(dev, PCI_CAP_ID_EXP); 6698d59ecb2SHans Petter Selasky if (!pos) 6708d59ecb2SHans Petter Selasky return 0; 6718d59ecb2SHans Petter Selasky 6728d59ecb2SHans Petter Selasky pci_read_config_word(dev, pos + PCI_EXP_FLAGS, ®16); 6738d59ecb2SHans Petter Selasky 6748d59ecb2SHans Petter Selasky return reg16; 6758d59ecb2SHans Petter Selasky } 6768d59ecb2SHans Petter Selasky 6778d59ecb2SHans Petter Selasky 6788d59ecb2SHans Petter Selasky static inline int pci_pcie_type(struct pci_dev *dev) 6798d59ecb2SHans Petter Selasky { 6808d59ecb2SHans Petter Selasky return (pcie_flags_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4; 6818d59ecb2SHans Petter Selasky } 6828d59ecb2SHans Petter Selasky 6838d59ecb2SHans Petter Selasky static inline int pcie_cap_version(struct pci_dev *dev) 6848d59ecb2SHans Petter Selasky { 6858d59ecb2SHans Petter Selasky return pcie_flags_reg(dev) & PCI_EXP_FLAGS_VERS; 6868d59ecb2SHans Petter Selasky } 6878d59ecb2SHans Petter Selasky 6888d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_lnkctl(struct pci_dev *dev) 6898d59ecb2SHans Petter Selasky { 6908d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 6918d59ecb2SHans Petter Selasky 6928d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1 || 6938d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ROOT_PORT || 6948d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ENDPOINT || 6958d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_LEG_END; 6968d59ecb2SHans Petter Selasky } 6978d59ecb2SHans Petter Selasky 6988d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_devctl(const struct pci_dev *dev) 6998d59ecb2SHans Petter Selasky { 7008d59ecb2SHans Petter Selasky return true; 7018d59ecb2SHans Petter Selasky } 7028d59ecb2SHans Petter Selasky 7038d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_sltctl(struct pci_dev *dev) 7048d59ecb2SHans Petter Selasky { 7058d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 7068d59ecb2SHans Petter Selasky 7078d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1 || 7088d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ROOT_PORT || 7098d59ecb2SHans Petter Selasky (type == PCI_EXP_TYPE_DOWNSTREAM && 7108d59ecb2SHans Petter Selasky pcie_flags_reg(dev) & PCI_EXP_FLAGS_SLOT); 7118d59ecb2SHans Petter Selasky } 7128d59ecb2SHans Petter Selasky 7138d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_rtctl(struct pci_dev *dev) 7148d59ecb2SHans Petter Selasky { 7158d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 7168d59ecb2SHans Petter Selasky 7178d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1 || 7188d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ROOT_PORT || 7198d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_RC_EC; 7208d59ecb2SHans Petter Selasky } 7218d59ecb2SHans Petter Selasky 7228d59ecb2SHans Petter Selasky static bool pcie_capability_reg_implemented(struct pci_dev *dev, int pos) 7238d59ecb2SHans Petter Selasky { 7248d59ecb2SHans Petter Selasky if (!pci_is_pcie(dev)) 7258d59ecb2SHans Petter Selasky return false; 7268d59ecb2SHans Petter Selasky 7278d59ecb2SHans Petter Selasky switch (pos) { 7288d59ecb2SHans Petter Selasky case PCI_EXP_FLAGS_TYPE: 7298d59ecb2SHans Petter Selasky return true; 7308d59ecb2SHans Petter Selasky case PCI_EXP_DEVCAP: 7318d59ecb2SHans Petter Selasky case PCI_EXP_DEVCTL: 7328d59ecb2SHans Petter Selasky case PCI_EXP_DEVSTA: 7338d59ecb2SHans Petter Selasky return pcie_cap_has_devctl(dev); 7348d59ecb2SHans Petter Selasky case PCI_EXP_LNKCAP: 7358d59ecb2SHans Petter Selasky case PCI_EXP_LNKCTL: 7368d59ecb2SHans Petter Selasky case PCI_EXP_LNKSTA: 7378d59ecb2SHans Petter Selasky return pcie_cap_has_lnkctl(dev); 7388d59ecb2SHans Petter Selasky case PCI_EXP_SLTCAP: 7398d59ecb2SHans Petter Selasky case PCI_EXP_SLTCTL: 7408d59ecb2SHans Petter Selasky case PCI_EXP_SLTSTA: 7418d59ecb2SHans Petter Selasky return pcie_cap_has_sltctl(dev); 7428d59ecb2SHans Petter Selasky case PCI_EXP_RTCTL: 7438d59ecb2SHans Petter Selasky case PCI_EXP_RTCAP: 7448d59ecb2SHans Petter Selasky case PCI_EXP_RTSTA: 7458d59ecb2SHans Petter Selasky return pcie_cap_has_rtctl(dev); 7468d59ecb2SHans Petter Selasky case PCI_EXP_DEVCAP2: 7478d59ecb2SHans Petter Selasky case PCI_EXP_DEVCTL2: 7488d59ecb2SHans Petter Selasky case PCI_EXP_LNKCAP2: 7498d59ecb2SHans Petter Selasky case PCI_EXP_LNKCTL2: 7508d59ecb2SHans Petter Selasky case PCI_EXP_LNKSTA2: 7518d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1; 7528d59ecb2SHans Petter Selasky default: 7538d59ecb2SHans Petter Selasky return false; 7548d59ecb2SHans Petter Selasky } 7558d59ecb2SHans Petter Selasky } 7568d59ecb2SHans Petter Selasky 75712af734dSHans Petter Selasky static inline int 75812af734dSHans Petter Selasky pcie_capability_read_dword(struct pci_dev *dev, int pos, u32 *dst) 759a65ef215SHans Petter Selasky { 760a65ef215SHans Petter Selasky if (pos & 3) 761a65ef215SHans Petter Selasky return -EINVAL; 762a65ef215SHans Petter Selasky 763a65ef215SHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 764a65ef215SHans Petter Selasky return -EINVAL; 765a65ef215SHans Petter Selasky 766a65ef215SHans Petter Selasky return pci_read_config_dword(dev, pci_pcie_cap(dev) + pos, dst); 767a65ef215SHans Petter Selasky } 7688d59ecb2SHans Petter Selasky 76912af734dSHans Petter Selasky static inline int 77012af734dSHans Petter Selasky pcie_capability_read_word(struct pci_dev *dev, int pos, u16 *dst) 77112af734dSHans Petter Selasky { 77212af734dSHans Petter Selasky if (pos & 3) 77312af734dSHans Petter Selasky return -EINVAL; 77412af734dSHans Petter Selasky 77512af734dSHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 77612af734dSHans Petter Selasky return -EINVAL; 77712af734dSHans Petter Selasky 77812af734dSHans Petter Selasky return pci_read_config_word(dev, pci_pcie_cap(dev) + pos, dst); 77912af734dSHans Petter Selasky } 78012af734dSHans Petter Selasky 78112af734dSHans Petter Selasky static inline int 78212af734dSHans Petter Selasky pcie_capability_write_word(struct pci_dev *dev, int pos, u16 val) 7838d59ecb2SHans Petter Selasky { 7848d59ecb2SHans Petter Selasky if (pos & 1) 7858d59ecb2SHans Petter Selasky return -EINVAL; 7868d59ecb2SHans Petter Selasky 7878d59ecb2SHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 7888d59ecb2SHans Petter Selasky return 0; 7898d59ecb2SHans Petter Selasky 7908d59ecb2SHans Petter Selasky return pci_write_config_word(dev, pci_pcie_cap(dev) + pos, val); 7918d59ecb2SHans Petter Selasky } 7928d59ecb2SHans Petter Selasky 793a65ef215SHans Petter Selasky static inline int pcie_get_minimum_link(struct pci_dev *dev, 794a65ef215SHans Petter Selasky enum pci_bus_speed *speed, enum pcie_link_width *width) 795a65ef215SHans Petter Selasky { 796a65ef215SHans Petter Selasky *speed = PCI_SPEED_UNKNOWN; 797a65ef215SHans Petter Selasky *width = PCIE_LNK_WIDTH_UNKNOWN; 798a65ef215SHans Petter Selasky return (0); 799a65ef215SHans Petter Selasky } 800a65ef215SHans Petter Selasky 801a65ef215SHans Petter Selasky static inline int 802a65ef215SHans Petter Selasky pci_num_vf(struct pci_dev *dev) 803a65ef215SHans Petter Selasky { 804a65ef215SHans Petter Selasky return (0); 805a65ef215SHans Petter Selasky } 806a65ef215SHans Petter Selasky 8078d59ecb2SHans Petter Selasky #endif /* _LINUX_PCI_H_ */ 808