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; 616373e95eSMark Johnston uint32_t class; 628d59ecb2SHans Petter Selasky uint32_t class_mask; 638d59ecb2SHans Petter Selasky uintptr_t driver_data; 648d59ecb2SHans Petter Selasky }; 658d59ecb2SHans Petter Selasky 668d59ecb2SHans Petter Selasky #define MODULE_DEVICE_TABLE(bus, table) 67ecf29cf1SMark Johnston 68ecf29cf1SMark Johnston #define PCI_BASE_CLASS_DISPLAY 0x03 69ecf29cf1SMark Johnston #define PCI_CLASS_DISPLAY_VGA 0x0300 70ecf29cf1SMark Johnston #define PCI_CLASS_DISPLAY_OTHER 0x0380 71ecf29cf1SMark Johnston #define PCI_BASE_CLASS_BRIDGE 0x06 72ecf29cf1SMark Johnston #define PCI_CLASS_BRIDGE_ISA 0x0601 73ecf29cf1SMark Johnston 74232028b3SHans Petter Selasky #define PCI_ANY_ID -1U 7512af734dSHans Petter Selasky #define PCI_VENDOR_ID_APPLE 0x106b 7612af734dSHans Petter Selasky #define PCI_VENDOR_ID_ASUSTEK 0x1043 7712af734dSHans Petter Selasky #define PCI_VENDOR_ID_ATI 0x1002 7812af734dSHans Petter Selasky #define PCI_VENDOR_ID_DELL 0x1028 7912af734dSHans Petter Selasky #define PCI_VENDOR_ID_HP 0x103c 8012af734dSHans Petter Selasky #define PCI_VENDOR_ID_IBM 0x1014 8112af734dSHans Petter Selasky #define PCI_VENDOR_ID_INTEL 0x8086 828d59ecb2SHans Petter Selasky #define PCI_VENDOR_ID_MELLANOX 0x15b3 83cb564d24SMark Johnston #define PCI_VENDOR_ID_REDHAT_QUMRANET 0x1af4 8412af734dSHans Petter Selasky #define PCI_VENDOR_ID_SERVERWORKS 0x1166 8512af734dSHans Petter Selasky #define PCI_VENDOR_ID_SONY 0x104d 868d59ecb2SHans Petter Selasky #define PCI_VENDOR_ID_TOPSPIN 0x1867 8712af734dSHans Petter Selasky #define PCI_VENDOR_ID_VIA 0x1106 88cb564d24SMark Johnston #define PCI_SUBVENDOR_ID_REDHAT_QUMRANET 0x1af4 89cb564d24SMark Johnston #define PCI_DEVICE_ID_ATI_RADEON_QY 0x5159 908d59ecb2SHans Petter Selasky #define PCI_DEVICE_ID_MELLANOX_TAVOR 0x5a44 918d59ecb2SHans Petter Selasky #define PCI_DEVICE_ID_MELLANOX_TAVOR_BRIDGE 0x5a46 928d59ecb2SHans Petter Selasky #define PCI_DEVICE_ID_MELLANOX_ARBEL_COMPAT 0x6278 938d59ecb2SHans Petter Selasky #define PCI_DEVICE_ID_MELLANOX_ARBEL 0x6282 948d59ecb2SHans Petter Selasky #define PCI_DEVICE_ID_MELLANOX_SINAI_OLD 0x5e8c 958d59ecb2SHans Petter Selasky #define PCI_DEVICE_ID_MELLANOX_SINAI 0x6274 96cb564d24SMark Johnston #define PCI_SUBDEVICE_ID_QEMU 0x1100 978d59ecb2SHans Petter Selasky 988d59ecb2SHans Petter Selasky #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) 998d59ecb2SHans Petter Selasky #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) 1008d59ecb2SHans Petter Selasky #define PCI_FUNC(devfn) ((devfn) & 0x07) 10113a5c70bSHans Petter Selasky #define PCI_BUS_NUM(devfn) (((devfn) >> 8) & 0xff) 1028d59ecb2SHans Petter Selasky 1038d59ecb2SHans Petter Selasky #define PCI_VDEVICE(_vendor, _device) \ 1048d59ecb2SHans Petter Selasky .vendor = PCI_VENDOR_ID_##_vendor, .device = (_device), \ 1058d59ecb2SHans Petter Selasky .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID 1068d59ecb2SHans Petter Selasky #define PCI_DEVICE(_vendor, _device) \ 1078d59ecb2SHans Petter Selasky .vendor = (_vendor), .device = (_device), \ 1088d59ecb2SHans Petter Selasky .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID 1098d59ecb2SHans Petter Selasky 1108d59ecb2SHans Petter Selasky #define to_pci_dev(n) container_of(n, struct pci_dev, dev) 1118d59ecb2SHans Petter Selasky 1128d59ecb2SHans Petter Selasky #define PCI_VENDOR_ID PCIR_DEVVENDOR 1138d59ecb2SHans Petter Selasky #define PCI_COMMAND PCIR_COMMAND 1148d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL /* Device Control */ 1158d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCTL PCIER_LINK_CTL /* Link Control */ 1168d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_TYPE PCIEM_FLAGS_TYPE /* Device/Port type */ 1178d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCAP PCIER_DEVICE_CAP /* Device capabilities */ 1188d59ecb2SHans Petter Selasky #define PCI_EXP_DEVSTA PCIER_DEVICE_STA /* Device Status */ 1198d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCAP PCIER_LINK_CAP /* Link Capabilities */ 1208d59ecb2SHans Petter Selasky #define PCI_EXP_LNKSTA PCIER_LINK_STA /* Link Status */ 1218d59ecb2SHans Petter Selasky #define PCI_EXP_SLTCAP PCIER_SLOT_CAP /* Slot Capabilities */ 1228d59ecb2SHans Petter Selasky #define PCI_EXP_SLTCTL PCIER_SLOT_CTL /* Slot Control */ 1238d59ecb2SHans Petter Selasky #define PCI_EXP_SLTSTA PCIER_SLOT_STA /* Slot Status */ 1248d59ecb2SHans Petter Selasky #define PCI_EXP_RTCTL PCIER_ROOT_CTL /* Root Control */ 1258d59ecb2SHans Petter Selasky #define PCI_EXP_RTCAP PCIER_ROOT_CAP /* Root Capabilities */ 1268d59ecb2SHans Petter Selasky #define PCI_EXP_RTSTA PCIER_ROOT_STA /* Root Status */ 1278d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCAP2 PCIER_DEVICE_CAP2 /* Device Capabilities 2 */ 1288d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCTL2 PCIER_DEVICE_CTL2 /* Device Control 2 */ 1298d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCAP2 PCIER_LINK_CAP2 /* Link Capabilities 2 */ 1308d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCTL2 PCIER_LINK_CTL2 /* Link Control 2 */ 1318d59ecb2SHans Petter Selasky #define PCI_EXP_LNKSTA2 PCIER_LINK_STA2 /* Link Status 2 */ 1328d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS PCIER_FLAGS /* Capabilities register */ 1338d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_VERS PCIEM_FLAGS_VERSION /* Capability version */ 1348d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_ROOT_PORT PCIEM_TYPE_ROOT_PORT /* Root Port */ 1358d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_ENDPOINT PCIEM_TYPE_ENDPOINT /* Express Endpoint */ 1368d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_LEG_END PCIEM_TYPE_LEGACY_ENDPOINT /* Legacy Endpoint */ 1378d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_DOWNSTREAM PCIEM_TYPE_DOWNSTREAM_PORT /* Downstream Port */ 1388d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_SLOT PCIEM_FLAGS_SLOT /* Slot implemented */ 1398d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_RC_EC PCIEM_TYPE_ROOT_EC /* Root Complex Event Collector */ 140a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_2_5GB 0x01 /* Supported Link Speed 2.5GT/s */ 141a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_5_0GB 0x02 /* Supported Link Speed 5.0GT/s */ 142ab62989aSHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_8_0GB 0x04 /* Supported Link Speed 8.0GT/s */ 143ab62989aSHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_16_0GB 0x08 /* Supported Link Speed 16.0GT/s */ 144a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_MLW 0x03f0 /* Maximum Link Width */ 145a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_2_5GB 0x02 /* Supported Link Speed 2.5GT/s */ 146a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_5_0GB 0x04 /* Supported Link Speed 5.0GT/s */ 147a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_8_0GB 0x08 /* Supported Link Speed 8.0GT/s */ 148ab62989aSHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_16_0GB 0x10 /* Supported Link Speed 16.0GT/s */ 1498d59ecb2SHans Petter Selasky 15012af734dSHans Petter Selasky #define PCI_EXP_LNKCTL_HAWD PCIEM_LINK_CTL_HAWD 15112af734dSHans Petter Selasky #define PCI_EXP_LNKCAP_CLKPM 0x00040000 15212af734dSHans Petter Selasky #define PCI_EXP_DEVSTA_TRPND 0x0020 15312af734dSHans Petter Selasky 154bdff61f8SHans Petter Selasky #define IORESOURCE_MEM (1 << SYS_RES_MEMORY) 155bdff61f8SHans Petter Selasky #define IORESOURCE_IO (1 << SYS_RES_IOPORT) 156bdff61f8SHans Petter Selasky #define IORESOURCE_IRQ (1 << SYS_RES_IRQ) 1578d59ecb2SHans Petter Selasky 158a65ef215SHans Petter Selasky enum pci_bus_speed { 159a65ef215SHans Petter Selasky PCI_SPEED_UNKNOWN = -1, 160a65ef215SHans Petter Selasky PCIE_SPEED_2_5GT, 161a65ef215SHans Petter Selasky PCIE_SPEED_5_0GT, 162a65ef215SHans Petter Selasky PCIE_SPEED_8_0GT, 163ab62989aSHans Petter Selasky PCIE_SPEED_16_0GT, 164a65ef215SHans Petter Selasky }; 1658d59ecb2SHans Petter Selasky 166a65ef215SHans Petter Selasky enum pcie_link_width { 167ab62989aSHans Petter Selasky PCIE_LNK_WIDTH_RESRV = 0x00, 168ab62989aSHans Petter Selasky PCIE_LNK_X1 = 0x01, 169ab62989aSHans Petter Selasky PCIE_LNK_X2 = 0x02, 170ab62989aSHans Petter Selasky PCIE_LNK_X4 = 0x04, 171ab62989aSHans Petter Selasky PCIE_LNK_X8 = 0x08, 172ab62989aSHans Petter Selasky PCIE_LNK_X12 = 0x0c, 173ab62989aSHans Petter Selasky PCIE_LNK_X16 = 0x10, 174ab62989aSHans Petter Selasky PCIE_LNK_X32 = 0x20, 175ab62989aSHans Petter Selasky PCIE_LNK_WIDTH_UNKNOWN = 0xff, 176a65ef215SHans Petter Selasky }; 177a65ef215SHans Petter Selasky 17812af734dSHans Petter Selasky typedef int pci_power_t; 17912af734dSHans Petter Selasky 18012af734dSHans Petter Selasky #define PCI_D0 PCI_POWERSTATE_D0 18112af734dSHans Petter Selasky #define PCI_D1 PCI_POWERSTATE_D1 18212af734dSHans Petter Selasky #define PCI_D2 PCI_POWERSTATE_D2 18312af734dSHans Petter Selasky #define PCI_D3hot PCI_POWERSTATE_D3 18412af734dSHans Petter Selasky #define PCI_D3cold 4 18512af734dSHans Petter Selasky 18612af734dSHans Petter Selasky #define PCI_POWER_ERROR PCI_POWERSTATE_UNKNOWN 18712af734dSHans Petter Selasky 188a65ef215SHans Petter Selasky struct pci_dev; 1898d59ecb2SHans Petter Selasky 1908d59ecb2SHans Petter Selasky struct pci_driver { 1918d59ecb2SHans Petter Selasky struct list_head links; 1928d59ecb2SHans Petter Selasky char *name; 1938d59ecb2SHans Petter Selasky const struct pci_device_id *id_table; 1948d59ecb2SHans Petter Selasky int (*probe)(struct pci_dev *dev, const struct pci_device_id *id); 1958d59ecb2SHans Petter Selasky void (*remove)(struct pci_dev *dev); 1968d59ecb2SHans Petter Selasky int (*suspend) (struct pci_dev *dev, pm_message_t state); /* Device suspended */ 1978d59ecb2SHans Petter Selasky int (*resume) (struct pci_dev *dev); /* Device woken up */ 1987d133393SHans Petter Selasky void (*shutdown) (struct pci_dev *dev); /* Device shutdown */ 199b38dc0a1SMark Johnston driver_t bsddriver; 2008d59ecb2SHans Petter Selasky devclass_t bsdclass; 20188156ba5SMark Johnston struct device_driver driver; 2028d59ecb2SHans Petter Selasky const struct pci_error_handlers *err_handler; 2030b7bd01aSMark Johnston bool isdrm; 2040b7bd01aSMark Johnston }; 2050b7bd01aSMark Johnston 2060b7bd01aSMark Johnston struct pci_bus { 2070b7bd01aSMark Johnston struct pci_dev *self; 2080b7bd01aSMark Johnston int number; 2098d59ecb2SHans Petter Selasky }; 2108d59ecb2SHans Petter Selasky 2118d59ecb2SHans Petter Selasky extern struct list_head pci_drivers; 2128d59ecb2SHans Petter Selasky extern struct list_head pci_devices; 2138d59ecb2SHans Petter Selasky extern spinlock_t pci_lock; 2148d59ecb2SHans Petter Selasky 2158d59ecb2SHans Petter Selasky #define __devexit_p(x) x 2168d59ecb2SHans Petter Selasky 2178d59ecb2SHans Petter Selasky struct pci_dev { 2188d59ecb2SHans Petter Selasky struct device dev; 2198d59ecb2SHans Petter Selasky struct list_head links; 2208d59ecb2SHans Petter Selasky struct pci_driver *pdrv; 2210b7bd01aSMark Johnston struct pci_bus *bus; 2228d59ecb2SHans Petter Selasky uint64_t dma_mask; 2238d59ecb2SHans Petter Selasky uint16_t device; 2248d59ecb2SHans Petter Selasky uint16_t vendor; 225f2ec04a3SMark Johnston uint16_t subsystem_vendor; 226f2ec04a3SMark Johnston uint16_t subsystem_device; 2278d59ecb2SHans Petter Selasky unsigned int irq; 2288d59ecb2SHans Petter Selasky unsigned int devfn; 2296373e95eSMark Johnston uint32_t class; 2306373e95eSMark Johnston uint8_t revision; 2318d59ecb2SHans Petter Selasky }; 2328d59ecb2SHans Petter Selasky 2338d59ecb2SHans Petter Selasky static inline struct resource_list_entry * 234e996b07cSHans Petter Selasky linux_pci_get_rle(struct pci_dev *pdev, int type, int rid) 2358d59ecb2SHans Petter Selasky { 2368d59ecb2SHans Petter Selasky struct pci_devinfo *dinfo; 2378d59ecb2SHans Petter Selasky struct resource_list *rl; 2388d59ecb2SHans Petter Selasky 2398d59ecb2SHans Petter Selasky dinfo = device_get_ivars(pdev->dev.bsddev); 2408d59ecb2SHans Petter Selasky rl = &dinfo->resources; 2418d59ecb2SHans Petter Selasky return resource_list_find(rl, type, rid); 2428d59ecb2SHans Petter Selasky } 2438d59ecb2SHans Petter Selasky 2448d59ecb2SHans Petter Selasky static inline struct resource_list_entry * 245e996b07cSHans Petter Selasky linux_pci_get_bar(struct pci_dev *pdev, int bar) 2468d59ecb2SHans Petter Selasky { 2478d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 2488d59ecb2SHans Petter Selasky 2498d59ecb2SHans Petter Selasky bar = PCIR_BAR(bar); 250e996b07cSHans Petter Selasky if ((rle = linux_pci_get_rle(pdev, SYS_RES_MEMORY, bar)) == NULL) 251e996b07cSHans Petter Selasky rle = linux_pci_get_rle(pdev, SYS_RES_IOPORT, bar); 2528d59ecb2SHans Petter Selasky return (rle); 2538d59ecb2SHans Petter Selasky } 2548d59ecb2SHans Petter Selasky 2558d59ecb2SHans Petter Selasky static inline struct device * 256e996b07cSHans Petter Selasky linux_pci_find_irq_dev(unsigned int irq) 2578d59ecb2SHans Petter Selasky { 2588d59ecb2SHans Petter Selasky struct pci_dev *pdev; 2592f02a9e1SConrad Meyer struct device *found; 2608d59ecb2SHans Petter Selasky 2612f02a9e1SConrad Meyer found = NULL; 2628d59ecb2SHans Petter Selasky spin_lock(&pci_lock); 2638d59ecb2SHans Petter Selasky list_for_each_entry(pdev, &pci_devices, links) { 2642f02a9e1SConrad Meyer if (irq == pdev->dev.irq || 2652f02a9e1SConrad Meyer (irq >= pdev->dev.msix && irq < pdev->dev.msix_max)) { 2662f02a9e1SConrad Meyer found = &pdev->dev; 2678d59ecb2SHans Petter Selasky break; 2688d59ecb2SHans Petter Selasky } 2692f02a9e1SConrad Meyer } 2708d59ecb2SHans Petter Selasky spin_unlock(&pci_lock); 2712f02a9e1SConrad Meyer return (found); 2728d59ecb2SHans Petter Selasky } 2738d59ecb2SHans Petter Selasky 2748d59ecb2SHans Petter Selasky static inline unsigned long 2758d59ecb2SHans Petter Selasky pci_resource_start(struct pci_dev *pdev, int bar) 2768d59ecb2SHans Petter Selasky { 2778d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 2788d59ecb2SHans Petter Selasky 279e996b07cSHans Petter Selasky if ((rle = linux_pci_get_bar(pdev, bar)) == NULL) 2808d59ecb2SHans Petter Selasky return (0); 2818d59ecb2SHans Petter Selasky return rle->start; 2828d59ecb2SHans Petter Selasky } 2838d59ecb2SHans Petter Selasky 2848d59ecb2SHans Petter Selasky static inline unsigned long 2858d59ecb2SHans Petter Selasky pci_resource_len(struct pci_dev *pdev, int bar) 2868d59ecb2SHans Petter Selasky { 2878d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 2888d59ecb2SHans Petter Selasky 289e996b07cSHans Petter Selasky if ((rle = linux_pci_get_bar(pdev, bar)) == NULL) 2908d59ecb2SHans Petter Selasky return (0); 2918d59ecb2SHans Petter Selasky return rle->count; 2928d59ecb2SHans Petter Selasky } 2938d59ecb2SHans Petter Selasky 294bdff61f8SHans Petter Selasky static inline int 295bdff61f8SHans Petter Selasky pci_resource_type(struct pci_dev *pdev, int bar) 296bdff61f8SHans Petter Selasky { 2976faefea0SSepherosa Ziehau struct pci_map *pm; 298bdff61f8SHans Petter Selasky 2996faefea0SSepherosa Ziehau pm = pci_find_bar(pdev->dev.bsddev, PCIR_BAR(bar)); 3006faefea0SSepherosa Ziehau if (!pm) 301bdff61f8SHans Petter Selasky return (-1); 3026faefea0SSepherosa Ziehau 3036faefea0SSepherosa Ziehau if (PCI_BAR_IO(pm->pm_value)) 3046faefea0SSepherosa Ziehau return (SYS_RES_IOPORT); 3056faefea0SSepherosa Ziehau else 3066faefea0SSepherosa Ziehau return (SYS_RES_MEMORY); 307bdff61f8SHans Petter Selasky } 308bdff61f8SHans Petter Selasky 3098d59ecb2SHans Petter Selasky /* 3108d59ecb2SHans Petter Selasky * All drivers just seem to want to inspect the type not flags. 3118d59ecb2SHans Petter Selasky */ 3128d59ecb2SHans Petter Selasky static inline int 3138d59ecb2SHans Petter Selasky pci_resource_flags(struct pci_dev *pdev, int bar) 3148d59ecb2SHans Petter Selasky { 315bdff61f8SHans Petter Selasky int type; 3168d59ecb2SHans Petter Selasky 317bdff61f8SHans Petter Selasky type = pci_resource_type(pdev, bar); 318bdff61f8SHans Petter Selasky if (type < 0) 3198d59ecb2SHans Petter Selasky return (0); 320bdff61f8SHans Petter Selasky return (1 << type); 3218d59ecb2SHans Petter Selasky } 3228d59ecb2SHans Petter Selasky 3238d59ecb2SHans Petter Selasky static inline const char * 3248d59ecb2SHans Petter Selasky pci_name(struct pci_dev *d) 3258d59ecb2SHans Petter Selasky { 3268d59ecb2SHans Petter Selasky 3278d59ecb2SHans Petter Selasky return device_get_desc(d->dev.bsddev); 3288d59ecb2SHans Petter Selasky } 3298d59ecb2SHans Petter Selasky 3308d59ecb2SHans Petter Selasky static inline void * 3318d59ecb2SHans Petter Selasky pci_get_drvdata(struct pci_dev *pdev) 3328d59ecb2SHans Petter Selasky { 3338d59ecb2SHans Petter Selasky 3348d59ecb2SHans Petter Selasky return dev_get_drvdata(&pdev->dev); 3358d59ecb2SHans Petter Selasky } 3368d59ecb2SHans Petter Selasky 3378d59ecb2SHans Petter Selasky static inline void 3388d59ecb2SHans Petter Selasky pci_set_drvdata(struct pci_dev *pdev, void *data) 3398d59ecb2SHans Petter Selasky { 3408d59ecb2SHans Petter Selasky 3418d59ecb2SHans Petter Selasky dev_set_drvdata(&pdev->dev, data); 3428d59ecb2SHans Petter Selasky } 3438d59ecb2SHans Petter Selasky 3448d59ecb2SHans Petter Selasky static inline int 3458d59ecb2SHans Petter Selasky pci_enable_device(struct pci_dev *pdev) 3468d59ecb2SHans Petter Selasky { 3478d59ecb2SHans Petter Selasky 3488d59ecb2SHans Petter Selasky pci_enable_io(pdev->dev.bsddev, SYS_RES_IOPORT); 3498d59ecb2SHans Petter Selasky pci_enable_io(pdev->dev.bsddev, SYS_RES_MEMORY); 3508d59ecb2SHans Petter Selasky return (0); 3518d59ecb2SHans Petter Selasky } 3528d59ecb2SHans Petter Selasky 3538d59ecb2SHans Petter Selasky static inline void 3548d59ecb2SHans Petter Selasky pci_disable_device(struct pci_dev *pdev) 3558d59ecb2SHans Petter Selasky { 356f67b5de7SMark Johnston 357f67b5de7SMark Johnston pci_disable_io(pdev->dev.bsddev, SYS_RES_IOPORT); 358f67b5de7SMark Johnston pci_disable_io(pdev->dev.bsddev, SYS_RES_MEMORY); 359555deb3cSHans Petter Selasky pci_disable_busmaster(pdev->dev.bsddev); 3608d59ecb2SHans Petter Selasky } 3618d59ecb2SHans Petter Selasky 3628d59ecb2SHans Petter Selasky static inline int 3638d59ecb2SHans Petter Selasky pci_set_master(struct pci_dev *pdev) 3648d59ecb2SHans Petter Selasky { 3658d59ecb2SHans Petter Selasky 3668d59ecb2SHans Petter Selasky pci_enable_busmaster(pdev->dev.bsddev); 3678d59ecb2SHans Petter Selasky return (0); 3688d59ecb2SHans Petter Selasky } 3698d59ecb2SHans Petter Selasky 3708d59ecb2SHans Petter Selasky static inline int 37112af734dSHans Petter Selasky pci_set_power_state(struct pci_dev *pdev, int state) 37212af734dSHans Petter Selasky { 37312af734dSHans Petter Selasky 37412af734dSHans Petter Selasky pci_set_powerstate(pdev->dev.bsddev, state); 37512af734dSHans Petter Selasky return (0); 37612af734dSHans Petter Selasky } 37712af734dSHans Petter Selasky 37812af734dSHans Petter Selasky static inline int 3798d59ecb2SHans Petter Selasky pci_clear_master(struct pci_dev *pdev) 3808d59ecb2SHans Petter Selasky { 3818d59ecb2SHans Petter Selasky 3828d59ecb2SHans Petter Selasky pci_disable_busmaster(pdev->dev.bsddev); 3838d59ecb2SHans Petter Selasky return (0); 3848d59ecb2SHans Petter Selasky } 3858d59ecb2SHans Petter Selasky 3868d59ecb2SHans Petter Selasky static inline int 3878d59ecb2SHans Petter Selasky pci_request_region(struct pci_dev *pdev, int bar, const char *res_name) 3888d59ecb2SHans Petter Selasky { 3898d59ecb2SHans Petter Selasky int rid; 3908d59ecb2SHans Petter Selasky int type; 3918d59ecb2SHans Petter Selasky 392bdff61f8SHans Petter Selasky type = pci_resource_type(pdev, bar); 393bdff61f8SHans Petter Selasky if (type < 0) 3948d59ecb2SHans Petter Selasky return (-ENODEV); 3958d59ecb2SHans Petter Selasky rid = PCIR_BAR(bar); 3968d59ecb2SHans Petter Selasky if (bus_alloc_resource_any(pdev->dev.bsddev, type, &rid, 3978d59ecb2SHans Petter Selasky RF_ACTIVE) == NULL) 3988d59ecb2SHans Petter Selasky return (-EINVAL); 3998d59ecb2SHans Petter Selasky return (0); 4008d59ecb2SHans Petter Selasky } 4018d59ecb2SHans Petter Selasky 4028d59ecb2SHans Petter Selasky static inline void 4038d59ecb2SHans Petter Selasky pci_release_region(struct pci_dev *pdev, int bar) 4048d59ecb2SHans Petter Selasky { 4058d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 4068d59ecb2SHans Petter Selasky 407e996b07cSHans Petter Selasky if ((rle = linux_pci_get_bar(pdev, bar)) == NULL) 4088d59ecb2SHans Petter Selasky return; 4098d59ecb2SHans Petter Selasky bus_release_resource(pdev->dev.bsddev, rle->type, rle->rid, rle->res); 4108d59ecb2SHans Petter Selasky } 4118d59ecb2SHans Petter Selasky 4128d59ecb2SHans Petter Selasky static inline void 4138d59ecb2SHans Petter Selasky pci_release_regions(struct pci_dev *pdev) 4148d59ecb2SHans Petter Selasky { 4158d59ecb2SHans Petter Selasky int i; 4168d59ecb2SHans Petter Selasky 4178d59ecb2SHans Petter Selasky for (i = 0; i <= PCIR_MAX_BAR_0; i++) 4188d59ecb2SHans Petter Selasky pci_release_region(pdev, i); 4198d59ecb2SHans Petter Selasky } 4208d59ecb2SHans Petter Selasky 4218d59ecb2SHans Petter Selasky static inline int 4228d59ecb2SHans Petter Selasky pci_request_regions(struct pci_dev *pdev, const char *res_name) 4238d59ecb2SHans Petter Selasky { 4248d59ecb2SHans Petter Selasky int error; 4258d59ecb2SHans Petter Selasky int i; 4268d59ecb2SHans Petter Selasky 4278d59ecb2SHans Petter Selasky for (i = 0; i <= PCIR_MAX_BAR_0; i++) { 4288d59ecb2SHans Petter Selasky error = pci_request_region(pdev, i, res_name); 4298d59ecb2SHans Petter Selasky if (error && error != -ENODEV) { 4308d59ecb2SHans Petter Selasky pci_release_regions(pdev); 4318d59ecb2SHans Petter Selasky return (error); 4328d59ecb2SHans Petter Selasky } 4338d59ecb2SHans Petter Selasky } 4348d59ecb2SHans Petter Selasky return (0); 4358d59ecb2SHans Petter Selasky } 4368d59ecb2SHans Petter Selasky 4378d59ecb2SHans Petter Selasky static inline void 4388d59ecb2SHans Petter Selasky pci_disable_msix(struct pci_dev *pdev) 4398d59ecb2SHans Petter Selasky { 4408d59ecb2SHans Petter Selasky 4418d59ecb2SHans Petter Selasky pci_release_msi(pdev->dev.bsddev); 442e1992aa1SHans Petter Selasky 443e1992aa1SHans Petter Selasky /* 444e1992aa1SHans Petter Selasky * The MSIX IRQ numbers associated with this PCI device are no 445e1992aa1SHans Petter Selasky * longer valid and might be re-assigned. Make sure 446e1992aa1SHans Petter Selasky * linux_pci_find_irq_dev() does no longer see them by 447e1992aa1SHans Petter Selasky * resetting their references to zero: 448e1992aa1SHans Petter Selasky */ 449e1992aa1SHans Petter Selasky pdev->dev.msix = 0; 450e1992aa1SHans Petter Selasky pdev->dev.msix_max = 0; 4518d59ecb2SHans Petter Selasky } 4528d59ecb2SHans Petter Selasky 45312af734dSHans Petter Selasky static inline bus_addr_t 45412af734dSHans Petter Selasky pci_bus_address(struct pci_dev *pdev, int bar) 45512af734dSHans Petter Selasky { 45612af734dSHans Petter Selasky 45712af734dSHans Petter Selasky return (pci_resource_start(pdev, bar)); 45812af734dSHans Petter Selasky } 45912af734dSHans Petter Selasky 4608d59ecb2SHans Petter Selasky #define PCI_CAP_ID_EXP PCIY_EXPRESS 4618d59ecb2SHans Petter Selasky #define PCI_CAP_ID_PCIX PCIY_PCIX 46212af734dSHans Petter Selasky #define PCI_CAP_ID_AGP PCIY_AGP 46312af734dSHans Petter Selasky #define PCI_CAP_ID_PM PCIY_PMG 4648d59ecb2SHans Petter Selasky 46512af734dSHans Petter Selasky #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL 46612af734dSHans Petter Selasky #define PCI_EXP_DEVCTL_PAYLOAD PCIEM_CTL_MAX_PAYLOAD 46712af734dSHans Petter Selasky #define PCI_EXP_DEVCTL_READRQ PCIEM_CTL_MAX_READ_REQUEST 46812af734dSHans Petter Selasky #define PCI_EXP_LNKCTL PCIER_LINK_CTL 46912af734dSHans Petter Selasky #define PCI_EXP_LNKSTA PCIER_LINK_STA 4708d59ecb2SHans Petter Selasky 4718d59ecb2SHans Petter Selasky static inline int 4728d59ecb2SHans Petter Selasky pci_find_capability(struct pci_dev *pdev, int capid) 4738d59ecb2SHans Petter Selasky { 4748d59ecb2SHans Petter Selasky int reg; 4758d59ecb2SHans Petter Selasky 4768d59ecb2SHans Petter Selasky if (pci_find_cap(pdev->dev.bsddev, capid, ®)) 4778d59ecb2SHans Petter Selasky return (0); 4788d59ecb2SHans Petter Selasky return (reg); 4798d59ecb2SHans Petter Selasky } 4808d59ecb2SHans Petter Selasky 4818d59ecb2SHans Petter Selasky static inline int pci_pcie_cap(struct pci_dev *dev) 4828d59ecb2SHans Petter Selasky { 4838d59ecb2SHans Petter Selasky return pci_find_capability(dev, PCI_CAP_ID_EXP); 4848d59ecb2SHans Petter Selasky } 4858d59ecb2SHans Petter Selasky 4868d59ecb2SHans Petter Selasky 4878d59ecb2SHans Petter Selasky static inline int 4888d59ecb2SHans Petter Selasky pci_read_config_byte(struct pci_dev *pdev, int where, u8 *val) 4898d59ecb2SHans Petter Selasky { 4908d59ecb2SHans Petter Selasky 4918d59ecb2SHans Petter Selasky *val = (u8)pci_read_config(pdev->dev.bsddev, where, 1); 4928d59ecb2SHans Petter Selasky return (0); 4938d59ecb2SHans Petter Selasky } 4948d59ecb2SHans Petter Selasky 4958d59ecb2SHans Petter Selasky static inline int 4968d59ecb2SHans Petter Selasky pci_read_config_word(struct pci_dev *pdev, int where, u16 *val) 4978d59ecb2SHans Petter Selasky { 4988d59ecb2SHans Petter Selasky 4998d59ecb2SHans Petter Selasky *val = (u16)pci_read_config(pdev->dev.bsddev, where, 2); 5008d59ecb2SHans Petter Selasky return (0); 5018d59ecb2SHans Petter Selasky } 5028d59ecb2SHans Petter Selasky 5038d59ecb2SHans Petter Selasky static inline int 5048d59ecb2SHans Petter Selasky pci_read_config_dword(struct pci_dev *pdev, int where, u32 *val) 5058d59ecb2SHans Petter Selasky { 5068d59ecb2SHans Petter Selasky 5078d59ecb2SHans Petter Selasky *val = (u32)pci_read_config(pdev->dev.bsddev, where, 4); 5088d59ecb2SHans Petter Selasky return (0); 5098d59ecb2SHans Petter Selasky } 5108d59ecb2SHans Petter Selasky 5118d59ecb2SHans Petter Selasky static inline int 5128d59ecb2SHans Petter Selasky pci_write_config_byte(struct pci_dev *pdev, int where, u8 val) 5138d59ecb2SHans Petter Selasky { 5148d59ecb2SHans Petter Selasky 5158d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 1); 5168d59ecb2SHans Petter Selasky return (0); 5178d59ecb2SHans Petter Selasky } 5188d59ecb2SHans Petter Selasky 5198d59ecb2SHans Petter Selasky static inline int 5208d59ecb2SHans Petter Selasky pci_write_config_word(struct pci_dev *pdev, int where, u16 val) 5218d59ecb2SHans Petter Selasky { 5228d59ecb2SHans Petter Selasky 5238d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 2); 5248d59ecb2SHans Petter Selasky return (0); 5258d59ecb2SHans Petter Selasky } 5268d59ecb2SHans Petter Selasky 5278d59ecb2SHans Petter Selasky static inline int 5288d59ecb2SHans Petter Selasky pci_write_config_dword(struct pci_dev *pdev, int where, u32 val) 5298d59ecb2SHans Petter Selasky { 5308d59ecb2SHans Petter Selasky 5318d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 4); 5328d59ecb2SHans Petter Selasky return (0); 5338d59ecb2SHans Petter Selasky } 5348d59ecb2SHans Petter Selasky 5350b7bd01aSMark Johnston int linux_pci_register_driver(struct pci_driver *pdrv); 5360b7bd01aSMark Johnston int linux_pci_register_drm_driver(struct pci_driver *pdrv); 5370b7bd01aSMark Johnston void linux_pci_unregister_driver(struct pci_driver *pdrv); 5380b7bd01aSMark Johnston 5390b7bd01aSMark Johnston #define pci_register_driver(pdrv) linux_pci_register_driver(pdrv) 5400b7bd01aSMark Johnston #define pci_unregister_driver(pdrv) linux_pci_unregister_driver(pdrv) 5418d59ecb2SHans Petter Selasky 5428d59ecb2SHans Petter Selasky struct msix_entry { 5438d59ecb2SHans Petter Selasky int entry; 5448d59ecb2SHans Petter Selasky int vector; 5458d59ecb2SHans Petter Selasky }; 5468d59ecb2SHans Petter Selasky 5478d59ecb2SHans Petter Selasky /* 5488d59ecb2SHans Petter Selasky * Enable msix, positive errors indicate actual number of available 5498d59ecb2SHans Petter Selasky * vectors. Negative errors are failures. 5508d59ecb2SHans Petter Selasky * 5518d59ecb2SHans Petter Selasky * NB: define added to prevent this definition of pci_enable_msix from 5528d59ecb2SHans Petter Selasky * clashing with the native FreeBSD version. 5538d59ecb2SHans Petter Selasky */ 554fa0d4f31SHans Petter Selasky #define pci_enable_msix(...) \ 555fa0d4f31SHans Petter Selasky linux_pci_enable_msix(__VA_ARGS__) 556fa0d4f31SHans Petter Selasky 5578d59ecb2SHans Petter Selasky static inline int 5588d59ecb2SHans Petter Selasky pci_enable_msix(struct pci_dev *pdev, struct msix_entry *entries, int nreq) 5598d59ecb2SHans Petter Selasky { 5608d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 5618d59ecb2SHans Petter Selasky int error; 5628d59ecb2SHans Petter Selasky int avail; 5638d59ecb2SHans Petter Selasky int i; 5648d59ecb2SHans Petter Selasky 5658d59ecb2SHans Petter Selasky avail = pci_msix_count(pdev->dev.bsddev); 5668d59ecb2SHans Petter Selasky if (avail < nreq) { 5678d59ecb2SHans Petter Selasky if (avail == 0) 5688d59ecb2SHans Petter Selasky return -EINVAL; 5698d59ecb2SHans Petter Selasky return avail; 5708d59ecb2SHans Petter Selasky } 5718d59ecb2SHans Petter Selasky avail = nreq; 5728d59ecb2SHans Petter Selasky if ((error = -pci_alloc_msix(pdev->dev.bsddev, &avail)) != 0) 5738d59ecb2SHans Petter Selasky return error; 5748d59ecb2SHans Petter Selasky /* 5758d59ecb2SHans Petter Selasky * Handle case where "pci_alloc_msix()" may allocate less 5768d59ecb2SHans Petter Selasky * interrupts than available and return with no error: 5778d59ecb2SHans Petter Selasky */ 5788d59ecb2SHans Petter Selasky if (avail < nreq) { 5798d59ecb2SHans Petter Selasky pci_release_msi(pdev->dev.bsddev); 5808d59ecb2SHans Petter Selasky return avail; 5818d59ecb2SHans Petter Selasky } 582e996b07cSHans Petter Selasky rle = linux_pci_get_rle(pdev, SYS_RES_IRQ, 1); 5838d59ecb2SHans Petter Selasky pdev->dev.msix = rle->start; 5848d59ecb2SHans Petter Selasky pdev->dev.msix_max = rle->start + avail; 5858d59ecb2SHans Petter Selasky for (i = 0; i < nreq; i++) 5868d59ecb2SHans Petter Selasky entries[i].vector = pdev->dev.msix + i; 5878d59ecb2SHans Petter Selasky return (0); 5888d59ecb2SHans Petter Selasky } 5898d59ecb2SHans Petter Selasky 590fa0d4f31SHans Petter Selasky #define pci_enable_msix_range(...) \ 591fa0d4f31SHans Petter Selasky linux_pci_enable_msix_range(__VA_ARGS__) 592fa0d4f31SHans Petter Selasky 5938d59ecb2SHans Petter Selasky static inline int 5948d59ecb2SHans Petter Selasky pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries, 5958d59ecb2SHans Petter Selasky int minvec, int maxvec) 5968d59ecb2SHans Petter Selasky { 5978d59ecb2SHans Petter Selasky int nvec = maxvec; 5988d59ecb2SHans Petter Selasky int rc; 5998d59ecb2SHans Petter Selasky 6008d59ecb2SHans Petter Selasky if (maxvec < minvec) 6018d59ecb2SHans Petter Selasky return (-ERANGE); 6028d59ecb2SHans Petter Selasky 6038d59ecb2SHans Petter Selasky do { 6048d59ecb2SHans Petter Selasky rc = pci_enable_msix(dev, entries, nvec); 6058d59ecb2SHans Petter Selasky if (rc < 0) { 6068d59ecb2SHans Petter Selasky return (rc); 6078d59ecb2SHans Petter Selasky } else if (rc > 0) { 6088d59ecb2SHans Petter Selasky if (rc < minvec) 6098d59ecb2SHans Petter Selasky return (-ENOSPC); 6108d59ecb2SHans Petter Selasky nvec = rc; 6118d59ecb2SHans Petter Selasky } 6128d59ecb2SHans Petter Selasky } while (rc); 6138d59ecb2SHans Petter Selasky return (nvec); 6148d59ecb2SHans Petter Selasky } 6158d59ecb2SHans Petter Selasky 616452d59e1SSlava Shwartsman static inline int 617452d59e1SSlava Shwartsman pci_channel_offline(struct pci_dev *pdev) 6188d59ecb2SHans Petter Selasky { 619452d59e1SSlava Shwartsman 620452d59e1SSlava Shwartsman return (pci_get_vendor(pdev->dev.bsddev) == 0xffff); 6218d59ecb2SHans Petter Selasky } 6228d59ecb2SHans Petter Selasky 6238d59ecb2SHans Petter Selasky static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn) 6248d59ecb2SHans Petter Selasky { 6258d59ecb2SHans Petter Selasky return -ENODEV; 6268d59ecb2SHans Petter Selasky } 6278d59ecb2SHans Petter Selasky static inline void pci_disable_sriov(struct pci_dev *dev) 6288d59ecb2SHans Petter Selasky { 6298d59ecb2SHans Petter Selasky } 6308d59ecb2SHans Petter Selasky 6318d59ecb2SHans Petter Selasky #define DEFINE_PCI_DEVICE_TABLE(_table) \ 6328d59ecb2SHans Petter Selasky const struct pci_device_id _table[] __devinitdata 6338d59ecb2SHans Petter Selasky 6348d59ecb2SHans Petter Selasky 6358d59ecb2SHans Petter Selasky /* XXX This should not be necessary. */ 6368d59ecb2SHans Petter Selasky #define pcix_set_mmrbc(d, v) 0 6378d59ecb2SHans Petter Selasky #define pcix_get_max_mmrbc(d) 0 6388d59ecb2SHans Petter Selasky #define pcie_set_readrq(d, v) 0 6398d59ecb2SHans Petter Selasky 6408d59ecb2SHans Petter Selasky #define PCI_DMA_BIDIRECTIONAL 0 6418d59ecb2SHans Petter Selasky #define PCI_DMA_TODEVICE 1 6428d59ecb2SHans Petter Selasky #define PCI_DMA_FROMDEVICE 2 6438d59ecb2SHans Petter Selasky #define PCI_DMA_NONE 3 6448d59ecb2SHans Petter Selasky 6458d59ecb2SHans Petter Selasky #define pci_pool dma_pool 6461724ded4SHans Petter Selasky #define pci_pool_destroy(...) dma_pool_destroy(__VA_ARGS__) 6471724ded4SHans Petter Selasky #define pci_pool_alloc(...) dma_pool_alloc(__VA_ARGS__) 6481724ded4SHans Petter Selasky #define pci_pool_free(...) dma_pool_free(__VA_ARGS__) 6498d59ecb2SHans Petter Selasky #define pci_pool_create(_name, _pdev, _size, _align, _alloc) \ 6508d59ecb2SHans Petter Selasky dma_pool_create(_name, &(_pdev)->dev, _size, _align, _alloc) 6518d59ecb2SHans Petter Selasky #define pci_free_consistent(_hwdev, _size, _vaddr, _dma_handle) \ 6528d59ecb2SHans Petter Selasky dma_free_coherent((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 6538d59ecb2SHans Petter Selasky _size, _vaddr, _dma_handle) 6548d59ecb2SHans Petter Selasky #define pci_map_sg(_hwdev, _sg, _nents, _dir) \ 6558d59ecb2SHans Petter Selasky dma_map_sg((_hwdev) == NULL ? NULL : &(_hwdev->dev), \ 6568d59ecb2SHans Petter Selasky _sg, _nents, (enum dma_data_direction)_dir) 6578d59ecb2SHans Petter Selasky #define pci_map_single(_hwdev, _ptr, _size, _dir) \ 6588d59ecb2SHans Petter Selasky dma_map_single((_hwdev) == NULL ? NULL : &(_hwdev->dev), \ 6598d59ecb2SHans Petter Selasky (_ptr), (_size), (enum dma_data_direction)_dir) 6608d59ecb2SHans Petter Selasky #define pci_unmap_single(_hwdev, _addr, _size, _dir) \ 6618d59ecb2SHans Petter Selasky dma_unmap_single((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 6628d59ecb2SHans Petter Selasky _addr, _size, (enum dma_data_direction)_dir) 6638d59ecb2SHans Petter Selasky #define pci_unmap_sg(_hwdev, _sg, _nents, _dir) \ 6648d59ecb2SHans Petter Selasky dma_unmap_sg((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 6658d59ecb2SHans Petter Selasky _sg, _nents, (enum dma_data_direction)_dir) 6668d59ecb2SHans Petter Selasky #define pci_map_page(_hwdev, _page, _offset, _size, _dir) \ 6678d59ecb2SHans Petter Selasky dma_map_page((_hwdev) == NULL ? NULL : &(_hwdev)->dev, _page,\ 6688d59ecb2SHans Petter Selasky _offset, _size, (enum dma_data_direction)_dir) 6698d59ecb2SHans Petter Selasky #define pci_unmap_page(_hwdev, _dma_address, _size, _dir) \ 6708d59ecb2SHans Petter Selasky dma_unmap_page((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 6718d59ecb2SHans Petter Selasky _dma_address, _size, (enum dma_data_direction)_dir) 6728d59ecb2SHans Petter Selasky #define pci_set_dma_mask(_pdev, mask) dma_set_mask(&(_pdev)->dev, (mask)) 6738d59ecb2SHans Petter Selasky #define pci_dma_mapping_error(_pdev, _dma_addr) \ 6748d59ecb2SHans Petter Selasky dma_mapping_error(&(_pdev)->dev, _dma_addr) 6758d59ecb2SHans Petter Selasky #define pci_set_consistent_dma_mask(_pdev, _mask) \ 6768d59ecb2SHans Petter Selasky dma_set_coherent_mask(&(_pdev)->dev, (_mask)) 6778d59ecb2SHans Petter Selasky #define DECLARE_PCI_UNMAP_ADDR(x) DEFINE_DMA_UNMAP_ADDR(x); 6788d59ecb2SHans Petter Selasky #define DECLARE_PCI_UNMAP_LEN(x) DEFINE_DMA_UNMAP_LEN(x); 6798d59ecb2SHans Petter Selasky #define pci_unmap_addr dma_unmap_addr 6808d59ecb2SHans Petter Selasky #define pci_unmap_addr_set dma_unmap_addr_set 6818d59ecb2SHans Petter Selasky #define pci_unmap_len dma_unmap_len 6828d59ecb2SHans Petter Selasky #define pci_unmap_len_set dma_unmap_len_set 6838d59ecb2SHans Petter Selasky 6848d59ecb2SHans Petter Selasky typedef unsigned int __bitwise pci_channel_state_t; 6858d59ecb2SHans Petter Selasky typedef unsigned int __bitwise pci_ers_result_t; 6868d59ecb2SHans Petter Selasky 6878d59ecb2SHans Petter Selasky enum pci_channel_state { 688a65ef215SHans Petter Selasky pci_channel_io_normal = 1, 689a65ef215SHans Petter Selasky pci_channel_io_frozen = 2, 690a65ef215SHans Petter Selasky pci_channel_io_perm_failure = 3, 6918d59ecb2SHans Petter Selasky }; 6928d59ecb2SHans Petter Selasky 6938d59ecb2SHans Petter Selasky enum pci_ers_result { 694a65ef215SHans Petter Selasky PCI_ERS_RESULT_NONE = 1, 695a65ef215SHans Petter Selasky PCI_ERS_RESULT_CAN_RECOVER = 2, 696a65ef215SHans Petter Selasky PCI_ERS_RESULT_NEED_RESET = 3, 697a65ef215SHans Petter Selasky PCI_ERS_RESULT_DISCONNECT = 4, 698a65ef215SHans Petter Selasky PCI_ERS_RESULT_RECOVERED = 5, 6998d59ecb2SHans Petter Selasky }; 7008d59ecb2SHans Petter Selasky 7018d59ecb2SHans Petter Selasky 7028d59ecb2SHans Petter Selasky /* PCI bus error event callbacks */ 7038d59ecb2SHans Petter Selasky struct pci_error_handlers { 7048d59ecb2SHans Petter Selasky pci_ers_result_t (*error_detected)(struct pci_dev *dev, 7058d59ecb2SHans Petter Selasky enum pci_channel_state error); 7068d59ecb2SHans Petter Selasky pci_ers_result_t (*mmio_enabled)(struct pci_dev *dev); 7078d59ecb2SHans Petter Selasky pci_ers_result_t (*link_reset)(struct pci_dev *dev); 7088d59ecb2SHans Petter Selasky pci_ers_result_t (*slot_reset)(struct pci_dev *dev); 7098d59ecb2SHans Petter Selasky void (*resume)(struct pci_dev *dev); 7108d59ecb2SHans Petter Selasky }; 7118d59ecb2SHans Petter Selasky 712a65ef215SHans Petter Selasky /* FreeBSD does not support SRIOV - yet */ 7138d59ecb2SHans Petter Selasky static inline struct pci_dev *pci_physfn(struct pci_dev *dev) 7148d59ecb2SHans Petter Selasky { 7158d59ecb2SHans Petter Selasky return dev; 7168d59ecb2SHans Petter Selasky } 7178d59ecb2SHans Petter Selasky 7188d59ecb2SHans Petter Selasky static inline bool pci_is_pcie(struct pci_dev *dev) 7198d59ecb2SHans Petter Selasky { 7208d59ecb2SHans Petter Selasky return !!pci_pcie_cap(dev); 7218d59ecb2SHans Petter Selasky } 7228d59ecb2SHans Petter Selasky 7238d59ecb2SHans Petter Selasky static inline u16 pcie_flags_reg(struct pci_dev *dev) 7248d59ecb2SHans Petter Selasky { 7258d59ecb2SHans Petter Selasky int pos; 7268d59ecb2SHans Petter Selasky u16 reg16; 7278d59ecb2SHans Petter Selasky 7288d59ecb2SHans Petter Selasky pos = pci_find_capability(dev, PCI_CAP_ID_EXP); 7298d59ecb2SHans Petter Selasky if (!pos) 7308d59ecb2SHans Petter Selasky return 0; 7318d59ecb2SHans Petter Selasky 7328d59ecb2SHans Petter Selasky pci_read_config_word(dev, pos + PCI_EXP_FLAGS, ®16); 7338d59ecb2SHans Petter Selasky 7348d59ecb2SHans Petter Selasky return reg16; 7358d59ecb2SHans Petter Selasky } 7368d59ecb2SHans Petter Selasky 7378d59ecb2SHans Petter Selasky 7388d59ecb2SHans Petter Selasky static inline int pci_pcie_type(struct pci_dev *dev) 7398d59ecb2SHans Petter Selasky { 7408d59ecb2SHans Petter Selasky return (pcie_flags_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4; 7418d59ecb2SHans Petter Selasky } 7428d59ecb2SHans Petter Selasky 7438d59ecb2SHans Petter Selasky static inline int pcie_cap_version(struct pci_dev *dev) 7448d59ecb2SHans Petter Selasky { 7458d59ecb2SHans Petter Selasky return pcie_flags_reg(dev) & PCI_EXP_FLAGS_VERS; 7468d59ecb2SHans Petter Selasky } 7478d59ecb2SHans Petter Selasky 7488d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_lnkctl(struct pci_dev *dev) 7498d59ecb2SHans Petter Selasky { 7508d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 7518d59ecb2SHans Petter Selasky 7528d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1 || 7538d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ROOT_PORT || 7548d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ENDPOINT || 7558d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_LEG_END; 7568d59ecb2SHans Petter Selasky } 7578d59ecb2SHans Petter Selasky 7588d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_devctl(const struct pci_dev *dev) 7598d59ecb2SHans Petter Selasky { 7608d59ecb2SHans Petter Selasky return true; 7618d59ecb2SHans Petter Selasky } 7628d59ecb2SHans Petter Selasky 7638d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_sltctl(struct pci_dev *dev) 7648d59ecb2SHans Petter Selasky { 7658d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 7668d59ecb2SHans Petter Selasky 76783630517SEd Maste return pcie_cap_version(dev) > 1 || type == PCI_EXP_TYPE_ROOT_PORT || 7688d59ecb2SHans Petter Selasky (type == PCI_EXP_TYPE_DOWNSTREAM && 7698d59ecb2SHans Petter Selasky pcie_flags_reg(dev) & PCI_EXP_FLAGS_SLOT); 7708d59ecb2SHans Petter Selasky } 7718d59ecb2SHans Petter Selasky 7728d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_rtctl(struct pci_dev *dev) 7738d59ecb2SHans Petter Selasky { 7748d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 7758d59ecb2SHans Petter Selasky 77683630517SEd Maste return pcie_cap_version(dev) > 1 || type == PCI_EXP_TYPE_ROOT_PORT || 7778d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_RC_EC; 7788d59ecb2SHans Petter Selasky } 7798d59ecb2SHans Petter Selasky 7808d59ecb2SHans Petter Selasky static bool pcie_capability_reg_implemented(struct pci_dev *dev, int pos) 7818d59ecb2SHans Petter Selasky { 7828d59ecb2SHans Petter Selasky if (!pci_is_pcie(dev)) 7838d59ecb2SHans Petter Selasky return false; 7848d59ecb2SHans Petter Selasky 7858d59ecb2SHans Petter Selasky switch (pos) { 7868d59ecb2SHans Petter Selasky case PCI_EXP_FLAGS_TYPE: 7878d59ecb2SHans Petter Selasky return true; 7888d59ecb2SHans Petter Selasky case PCI_EXP_DEVCAP: 7898d59ecb2SHans Petter Selasky case PCI_EXP_DEVCTL: 7908d59ecb2SHans Petter Selasky case PCI_EXP_DEVSTA: 7918d59ecb2SHans Petter Selasky return pcie_cap_has_devctl(dev); 7928d59ecb2SHans Petter Selasky case PCI_EXP_LNKCAP: 7938d59ecb2SHans Petter Selasky case PCI_EXP_LNKCTL: 7948d59ecb2SHans Petter Selasky case PCI_EXP_LNKSTA: 7958d59ecb2SHans Petter Selasky return pcie_cap_has_lnkctl(dev); 7968d59ecb2SHans Petter Selasky case PCI_EXP_SLTCAP: 7978d59ecb2SHans Petter Selasky case PCI_EXP_SLTCTL: 7988d59ecb2SHans Petter Selasky case PCI_EXP_SLTSTA: 7998d59ecb2SHans Petter Selasky return pcie_cap_has_sltctl(dev); 8008d59ecb2SHans Petter Selasky case PCI_EXP_RTCTL: 8018d59ecb2SHans Petter Selasky case PCI_EXP_RTCAP: 8028d59ecb2SHans Petter Selasky case PCI_EXP_RTSTA: 8038d59ecb2SHans Petter Selasky return pcie_cap_has_rtctl(dev); 8048d59ecb2SHans Petter Selasky case PCI_EXP_DEVCAP2: 8058d59ecb2SHans Petter Selasky case PCI_EXP_DEVCTL2: 8068d59ecb2SHans Petter Selasky case PCI_EXP_LNKCAP2: 8078d59ecb2SHans Petter Selasky case PCI_EXP_LNKCTL2: 8088d59ecb2SHans Petter Selasky case PCI_EXP_LNKSTA2: 8098d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1; 8108d59ecb2SHans Petter Selasky default: 8118d59ecb2SHans Petter Selasky return false; 8128d59ecb2SHans Petter Selasky } 8138d59ecb2SHans Petter Selasky } 8148d59ecb2SHans Petter Selasky 81512af734dSHans Petter Selasky static inline int 81612af734dSHans Petter Selasky pcie_capability_read_dword(struct pci_dev *dev, int pos, u32 *dst) 817a65ef215SHans Petter Selasky { 818a65ef215SHans Petter Selasky if (pos & 3) 819a65ef215SHans Petter Selasky return -EINVAL; 820a65ef215SHans Petter Selasky 821a65ef215SHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 822a65ef215SHans Petter Selasky return -EINVAL; 823a65ef215SHans Petter Selasky 824a65ef215SHans Petter Selasky return pci_read_config_dword(dev, pci_pcie_cap(dev) + pos, dst); 825a65ef215SHans Petter Selasky } 8268d59ecb2SHans Petter Selasky 82712af734dSHans Petter Selasky static inline int 82812af734dSHans Petter Selasky pcie_capability_read_word(struct pci_dev *dev, int pos, u16 *dst) 82912af734dSHans Petter Selasky { 83012af734dSHans Petter Selasky if (pos & 3) 83112af734dSHans Petter Selasky return -EINVAL; 83212af734dSHans Petter Selasky 83312af734dSHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 83412af734dSHans Petter Selasky return -EINVAL; 83512af734dSHans Petter Selasky 83612af734dSHans Petter Selasky return pci_read_config_word(dev, pci_pcie_cap(dev) + pos, dst); 83712af734dSHans Petter Selasky } 83812af734dSHans Petter Selasky 83912af734dSHans Petter Selasky static inline int 84012af734dSHans Petter Selasky pcie_capability_write_word(struct pci_dev *dev, int pos, u16 val) 8418d59ecb2SHans Petter Selasky { 8428d59ecb2SHans Petter Selasky if (pos & 1) 8438d59ecb2SHans Petter Selasky return -EINVAL; 8448d59ecb2SHans Petter Selasky 8458d59ecb2SHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 8468d59ecb2SHans Petter Selasky return 0; 8478d59ecb2SHans Petter Selasky 8488d59ecb2SHans Petter Selasky return pci_write_config_word(dev, pci_pcie_cap(dev) + pos, val); 8498d59ecb2SHans Petter Selasky } 8508d59ecb2SHans Petter Selasky 851a65ef215SHans Petter Selasky static inline int pcie_get_minimum_link(struct pci_dev *dev, 852a65ef215SHans Petter Selasky enum pci_bus_speed *speed, enum pcie_link_width *width) 853a65ef215SHans Petter Selasky { 854a65ef215SHans Petter Selasky *speed = PCI_SPEED_UNKNOWN; 855a65ef215SHans Petter Selasky *width = PCIE_LNK_WIDTH_UNKNOWN; 856a65ef215SHans Petter Selasky return (0); 857a65ef215SHans Petter Selasky } 858a65ef215SHans Petter Selasky 859a65ef215SHans Petter Selasky static inline int 860a65ef215SHans Petter Selasky pci_num_vf(struct pci_dev *dev) 861a65ef215SHans Petter Selasky { 862a65ef215SHans Petter Selasky return (0); 863a65ef215SHans Petter Selasky } 864a65ef215SHans Petter Selasky 865ab62989aSHans Petter Selasky static inline enum pci_bus_speed 866ab62989aSHans Petter Selasky pcie_get_speed_cap(struct pci_dev *dev) 867ab62989aSHans Petter Selasky { 868ab62989aSHans Petter Selasky device_t root; 869ab62989aSHans Petter Selasky uint32_t lnkcap, lnkcap2; 870ab62989aSHans Petter Selasky int error, pos; 871ab62989aSHans Petter Selasky 872ab62989aSHans Petter Selasky root = device_get_parent(dev->dev.bsddev); 873ab62989aSHans Petter Selasky if (root == NULL) 874ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 875ab62989aSHans Petter Selasky root = device_get_parent(root); 876ab62989aSHans Petter Selasky if (root == NULL) 877ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 878ab62989aSHans Petter Selasky root = device_get_parent(root); 879ab62989aSHans Petter Selasky if (root == NULL) 880ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 881ab62989aSHans Petter Selasky 882ab62989aSHans Petter Selasky if (pci_get_vendor(root) == PCI_VENDOR_ID_VIA || 883ab62989aSHans Petter Selasky pci_get_vendor(root) == PCI_VENDOR_ID_SERVERWORKS) 884ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 885ab62989aSHans Petter Selasky 886ab62989aSHans Petter Selasky if ((error = pci_find_cap(root, PCIY_EXPRESS, &pos)) != 0) 887ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 888ab62989aSHans Petter Selasky 889ab62989aSHans Petter Selasky lnkcap2 = pci_read_config(root, pos + PCIER_LINK_CAP2, 4); 890ab62989aSHans Petter Selasky 891ab62989aSHans Petter Selasky if (lnkcap2) { /* PCIe r3.0-compliant */ 892ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_2_5GB) 893ab62989aSHans Petter Selasky return (PCIE_SPEED_2_5GT); 894ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_5_0GB) 895ab62989aSHans Petter Selasky return (PCIE_SPEED_5_0GT); 896ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB) 897ab62989aSHans Petter Selasky return (PCIE_SPEED_8_0GT); 898ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_16_0GB) 899ab62989aSHans Petter Selasky return (PCIE_SPEED_16_0GT); 900ab62989aSHans Petter Selasky } else { /* pre-r3.0 */ 901ab62989aSHans Petter Selasky lnkcap = pci_read_config(root, pos + PCIER_LINK_CAP, 4); 902ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_2_5GB) 903ab62989aSHans Petter Selasky return (PCIE_SPEED_2_5GT); 904ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_5_0GB) 905ab62989aSHans Petter Selasky return (PCIE_SPEED_5_0GT); 906ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_8_0GB) 907ab62989aSHans Petter Selasky return (PCIE_SPEED_8_0GT); 908ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_16_0GB) 909ab62989aSHans Petter Selasky return (PCIE_SPEED_16_0GT); 910ab62989aSHans Petter Selasky } 911ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 912ab62989aSHans Petter Selasky } 913ab62989aSHans Petter Selasky 914ab62989aSHans Petter Selasky static inline enum pcie_link_width 915ab62989aSHans Petter Selasky pcie_get_width_cap(struct pci_dev *dev) 916ab62989aSHans Petter Selasky { 917ab62989aSHans Petter Selasky uint32_t lnkcap; 918ab62989aSHans Petter Selasky 919ab62989aSHans Petter Selasky pcie_capability_read_dword(dev, PCI_EXP_LNKCAP, &lnkcap); 920ab62989aSHans Petter Selasky if (lnkcap) 921ab62989aSHans Petter Selasky return ((lnkcap & PCI_EXP_LNKCAP_MLW) >> 4); 922ab62989aSHans Petter Selasky 923ab62989aSHans Petter Selasky return (PCIE_LNK_WIDTH_UNKNOWN); 924ab62989aSHans Petter Selasky } 925ab62989aSHans Petter Selasky 9268d59ecb2SHans Petter Selasky #endif /* _LINUX_PCI_H_ */ 927