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. 7c41d8354SBjoern A. Zeeb * Copyright (c) 2020-2022 The FreeBSD Foundation 8d4a4960cSBjoern A. Zeeb * 9d4a4960cSBjoern A. Zeeb * Portions of this software were developed by Björn Zeeb 10d4a4960cSBjoern A. Zeeb * under sponsorship from the FreeBSD Foundation. 118d59ecb2SHans Petter Selasky * 128d59ecb2SHans Petter Selasky * Redistribution and use in source and binary forms, with or without 138d59ecb2SHans Petter Selasky * modification, are permitted provided that the following conditions 148d59ecb2SHans Petter Selasky * are met: 158d59ecb2SHans Petter Selasky * 1. Redistributions of source code must retain the above copyright 168d59ecb2SHans Petter Selasky * notice unmodified, this list of conditions, and the following 178d59ecb2SHans Petter Selasky * disclaimer. 188d59ecb2SHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright 198d59ecb2SHans Petter Selasky * notice, this list of conditions and the following disclaimer in the 208d59ecb2SHans Petter Selasky * documentation and/or other materials provided with the distribution. 218d59ecb2SHans Petter Selasky * 228d59ecb2SHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 238d59ecb2SHans Petter Selasky * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 248d59ecb2SHans Petter Selasky * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 258d59ecb2SHans Petter Selasky * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 268d59ecb2SHans Petter Selasky * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 278d59ecb2SHans Petter Selasky * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 288d59ecb2SHans Petter Selasky * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 298d59ecb2SHans Petter Selasky * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 308d59ecb2SHans Petter Selasky * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 318d59ecb2SHans Petter Selasky * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 328d59ecb2SHans Petter Selasky * 338d59ecb2SHans Petter Selasky * $FreeBSD$ 348d59ecb2SHans Petter Selasky */ 35307f78f3SVladimir Kondratyev #ifndef _LINUXKPI_LINUX_PCI_H_ 36307f78f3SVladimir Kondratyev #define _LINUXKPI_LINUX_PCI_H_ 378d59ecb2SHans Petter Selasky 388d59ecb2SHans Petter Selasky #define CONFIG_PCI_MSI 398d59ecb2SHans Petter Selasky 408d59ecb2SHans Petter Selasky #include <linux/types.h> 418d59ecb2SHans Petter Selasky 428d59ecb2SHans Petter Selasky #include <sys/param.h> 438d59ecb2SHans Petter Selasky #include <sys/bus.h> 445493c627SBjoern A. Zeeb #include <sys/module.h> 452928e60eSKonstantin Belousov #include <sys/nv.h> 468d59ecb2SHans Petter Selasky #include <sys/pciio.h> 478d59ecb2SHans Petter Selasky #include <sys/rman.h> 488d59ecb2SHans Petter Selasky #include <dev/pci/pcivar.h> 498d59ecb2SHans Petter Selasky #include <dev/pci/pcireg.h> 508d59ecb2SHans Petter Selasky #include <dev/pci/pci_private.h> 518d59ecb2SHans Petter Selasky 528d59ecb2SHans Petter Selasky #include <machine/resource.h> 538d59ecb2SHans Petter Selasky 548d59ecb2SHans Petter Selasky #include <linux/list.h> 558d59ecb2SHans Petter Selasky #include <linux/dmapool.h> 568d59ecb2SHans Petter Selasky #include <linux/dma-mapping.h> 578d59ecb2SHans Petter Selasky #include <linux/compiler.h> 588d59ecb2SHans Petter Selasky #include <linux/errno.h> 598d59ecb2SHans Petter Selasky #include <asm/atomic.h> 608d59ecb2SHans Petter Selasky #include <linux/device.h> 615a402a3aSBjoern A. Zeeb #include <linux/pci_ids.h> 620e981d79SBjoern A. Zeeb #include <linux/pm.h> 638d59ecb2SHans Petter Selasky 648d59ecb2SHans Petter Selasky struct pci_device_id { 658d59ecb2SHans Petter Selasky uint32_t vendor; 668d59ecb2SHans Petter Selasky uint32_t device; 678d59ecb2SHans Petter Selasky uint32_t subvendor; 688d59ecb2SHans Petter Selasky uint32_t subdevice; 696373e95eSMark Johnston uint32_t class; 708d59ecb2SHans Petter Selasky uint32_t class_mask; 718d59ecb2SHans Petter Selasky uintptr_t driver_data; 728d59ecb2SHans Petter Selasky }; 738d59ecb2SHans Petter Selasky 745493c627SBjoern A. Zeeb /* Linux has an empty element at the end of the ID table -> nitems() - 1. */ 755493c627SBjoern A. Zeeb #define MODULE_DEVICE_TABLE(_bus, _table) \ 765493c627SBjoern A. Zeeb \ 775493c627SBjoern A. Zeeb static device_method_t _ ## _bus ## _ ## _table ## _methods[] = { \ 785493c627SBjoern A. Zeeb DEVMETHOD_END \ 795493c627SBjoern A. Zeeb }; \ 805493c627SBjoern A. Zeeb \ 815493c627SBjoern A. Zeeb static driver_t _ ## _bus ## _ ## _table ## _driver = { \ 825493c627SBjoern A. Zeeb "lkpi_" #_bus #_table, \ 835493c627SBjoern A. Zeeb _ ## _bus ## _ ## _table ## _methods, \ 845493c627SBjoern A. Zeeb 0 \ 855493c627SBjoern A. Zeeb }; \ 865493c627SBjoern A. Zeeb \ 875493c627SBjoern A. Zeeb DRIVER_MODULE(lkpi_ ## _table, pci, _ ## _bus ## _ ## _table ## _driver,\ 88a65d0774SJohn Baldwin 0, 0); \ 895493c627SBjoern A. Zeeb \ 905493c627SBjoern A. Zeeb MODULE_PNP_INFO("U32:vendor;U32:device;V32:subvendor;V32:subdevice", \ 915493c627SBjoern A. Zeeb _bus, lkpi_ ## _table, _table, nitems(_table) - 1) 92ecf29cf1SMark Johnston 93232028b3SHans Petter Selasky #define PCI_ANY_ID -1U 948d59ecb2SHans Petter Selasky 958d59ecb2SHans Petter Selasky #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) 968d59ecb2SHans Petter Selasky #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) 978d59ecb2SHans Petter Selasky #define PCI_FUNC(devfn) ((devfn) & 0x07) 9813a5c70bSHans Petter Selasky #define PCI_BUS_NUM(devfn) (((devfn) >> 8) & 0xff) 998d59ecb2SHans Petter Selasky 1008d59ecb2SHans Petter Selasky #define PCI_VDEVICE(_vendor, _device) \ 1018d59ecb2SHans Petter Selasky .vendor = PCI_VENDOR_ID_##_vendor, .device = (_device), \ 1028d59ecb2SHans Petter Selasky .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID 1038d59ecb2SHans Petter Selasky #define PCI_DEVICE(_vendor, _device) \ 1048d59ecb2SHans Petter Selasky .vendor = (_vendor), .device = (_device), \ 1058d59ecb2SHans Petter Selasky .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID 1068d59ecb2SHans Petter Selasky 1078d59ecb2SHans Petter Selasky #define to_pci_dev(n) container_of(n, struct pci_dev, dev) 1088d59ecb2SHans Petter Selasky 10966cc55a0SJean-Sébastien Pédron #define PCI_STD_NUM_BARS 6 110c41d8354SBjoern A. Zeeb #define PCI_VENDOR_ID PCIR_VENDOR 111c41d8354SBjoern A. Zeeb #define PCI_DEVICE_ID PCIR_DEVICE 1128d59ecb2SHans Petter Selasky #define PCI_COMMAND PCIR_COMMAND 113fc1d8409SBjoern A. Zeeb #define PCI_COMMAND_INTX_DISABLE PCIM_CMD_INTxDIS 1148d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL /* Device Control */ 1158d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCTL PCIER_LINK_CTL /* Link Control */ 116fc1d8409SBjoern A. Zeeb #define PCI_EXP_LNKCTL_ASPM_L0S PCIEM_LINK_CTL_ASPMC_L0S 117fc1d8409SBjoern A. Zeeb #define PCI_EXP_LNKCTL_ASPM_L1 PCIEM_LINK_CTL_ASPMC_L1 118c4f52f71SBjoern A. Zeeb #define PCI_EXP_LNKCTL_ASPMC PCIEM_LINK_CTL_ASPMC 119fc1d8409SBjoern A. Zeeb #define PCI_EXP_LNKCTL_CLKREQ_EN PCIEM_LINK_CTL_ECPM /* Enable clock PM */ 120c4f52f71SBjoern A. Zeeb #define PCI_EXP_LNKCTL_HAWD PCIEM_LINK_CTL_HAWD 1218d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_TYPE PCIEM_FLAGS_TYPE /* Device/Port type */ 1228d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCAP PCIER_DEVICE_CAP /* Device capabilities */ 1238d59ecb2SHans Petter Selasky #define PCI_EXP_DEVSTA PCIER_DEVICE_STA /* Device Status */ 1248d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCAP PCIER_LINK_CAP /* Link Capabilities */ 1258d59ecb2SHans Petter Selasky #define PCI_EXP_LNKSTA PCIER_LINK_STA /* Link Status */ 1268d59ecb2SHans Petter Selasky #define PCI_EXP_SLTCAP PCIER_SLOT_CAP /* Slot Capabilities */ 1278d59ecb2SHans Petter Selasky #define PCI_EXP_SLTCTL PCIER_SLOT_CTL /* Slot Control */ 1288d59ecb2SHans Petter Selasky #define PCI_EXP_SLTSTA PCIER_SLOT_STA /* Slot Status */ 1298d59ecb2SHans Petter Selasky #define PCI_EXP_RTCTL PCIER_ROOT_CTL /* Root Control */ 1308d59ecb2SHans Petter Selasky #define PCI_EXP_RTCAP PCIER_ROOT_CAP /* Root Capabilities */ 1318d59ecb2SHans Petter Selasky #define PCI_EXP_RTSTA PCIER_ROOT_STA /* Root Status */ 1328d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCAP2 PCIER_DEVICE_CAP2 /* Device Capabilities 2 */ 1338d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCTL2 PCIER_DEVICE_CTL2 /* Device Control 2 */ 134fc1d8409SBjoern A. Zeeb #define PCI_EXP_DEVCTL2_LTR_EN PCIEM_CTL2_LTR_ENABLE 13585eb99f9SBjoern A. Zeeb #define PCI_EXP_DEVCTL2_COMP_TMOUT_DIS PCIEM_CTL2_COMP_TIMO_DISABLE 1368d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCAP2 PCIER_LINK_CAP2 /* Link Capabilities 2 */ 1378d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCTL2 PCIER_LINK_CTL2 /* Link Control 2 */ 1388d59ecb2SHans Petter Selasky #define PCI_EXP_LNKSTA2 PCIER_LINK_STA2 /* Link Status 2 */ 1398d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS PCIER_FLAGS /* Capabilities register */ 1408d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_VERS PCIEM_FLAGS_VERSION /* Capability version */ 1418d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_ROOT_PORT PCIEM_TYPE_ROOT_PORT /* Root Port */ 1428d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_ENDPOINT PCIEM_TYPE_ENDPOINT /* Express Endpoint */ 1438d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_LEG_END PCIEM_TYPE_LEGACY_ENDPOINT /* Legacy Endpoint */ 1448d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_DOWNSTREAM PCIEM_TYPE_DOWNSTREAM_PORT /* Downstream Port */ 1458d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_SLOT PCIEM_FLAGS_SLOT /* Slot implemented */ 1468d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_RC_EC PCIEM_TYPE_ROOT_EC /* Root Complex Event Collector */ 147a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_2_5GB 0x01 /* Supported Link Speed 2.5GT/s */ 148a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_5_0GB 0x02 /* Supported Link Speed 5.0GT/s */ 1490adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP_SLS_8_0GB 0x03 /* Supported Link Speed 8.0GT/s */ 1500adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP_SLS_16_0GB 0x04 /* Supported Link Speed 16.0GT/s */ 1510adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP_SLS_32_0GB 0x05 /* Supported Link Speed 32.0GT/s */ 1520adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP_SLS_64_0GB 0x06 /* Supported Link Speed 64.0GT/s */ 153a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_MLW 0x03f0 /* Maximum Link Width */ 154a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_2_5GB 0x02 /* Supported Link Speed 2.5GT/s */ 155a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_5_0GB 0x04 /* Supported Link Speed 5.0GT/s */ 156a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_8_0GB 0x08 /* Supported Link Speed 8.0GT/s */ 157ab62989aSHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_16_0GB 0x10 /* Supported Link Speed 16.0GT/s */ 1580adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP2_SLS_32_0GB 0x20 /* Supported Link Speed 32.0GT/s */ 1590adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP2_SLS_64_0GB 0x40 /* Supported Link Speed 64.0GT/s */ 16078a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS 0x000f 16178a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_2_5GT 0x0001 /* Supported Speed 2.5GT/s */ 16278a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_5_0GT 0x0002 /* Supported Speed 5GT/s */ 16378a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_8_0GT 0x0003 /* Supported Speed 8GT/s */ 16478a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_16_0GT 0x0004 /* Supported Speed 16GT/s */ 16578a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_32_0GT 0x0005 /* Supported Speed 32GT/s */ 1660adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCTL2_TLS_64_0GT 0x0006 /* Supported Speed 64GT/s */ 16778a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_ENTER_COMP 0x0010 /* Enter Compliance */ 16878a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TX_MARGIN 0x0380 /* Transmit Margin */ 1698d59ecb2SHans Petter Selasky 1705f2f582cSBjoern A. Zeeb #define PCI_MSI_ADDRESS_LO PCIR_MSI_ADDR 1715f2f582cSBjoern A. Zeeb #define PCI_MSI_ADDRESS_HI PCIR_MSI_ADDR_HIGH 1725f2f582cSBjoern A. Zeeb #define PCI_MSI_FLAGS PCIR_MSI_CTRL 1735f2f582cSBjoern A. Zeeb #define PCI_MSI_FLAGS_ENABLE PCIM_MSICTRL_MSI_ENABLE 1744152ce21SJean-Sébastien Pédron #define PCI_MSIX_FLAGS PCIR_MSIX_CTRL 1754152ce21SJean-Sébastien Pédron #define PCI_MSIX_FLAGS_ENABLE PCIM_MSIXCTRL_MSIX_ENABLE 1765f2f582cSBjoern A. Zeeb 17712af734dSHans Petter Selasky #define PCI_EXP_LNKCAP_CLKPM 0x00040000 17812af734dSHans Petter Selasky #define PCI_EXP_DEVSTA_TRPND 0x0020 17912af734dSHans Petter Selasky 180bdff61f8SHans Petter Selasky #define IORESOURCE_MEM (1 << SYS_RES_MEMORY) 181bdff61f8SHans Petter Selasky #define IORESOURCE_IO (1 << SYS_RES_IOPORT) 182bdff61f8SHans Petter Selasky #define IORESOURCE_IRQ (1 << SYS_RES_IRQ) 1838d59ecb2SHans Petter Selasky 184a65ef215SHans Petter Selasky enum pci_bus_speed { 185a65ef215SHans Petter Selasky PCI_SPEED_UNKNOWN = -1, 186a65ef215SHans Petter Selasky PCIE_SPEED_2_5GT, 187a65ef215SHans Petter Selasky PCIE_SPEED_5_0GT, 188a65ef215SHans Petter Selasky PCIE_SPEED_8_0GT, 189ab62989aSHans Petter Selasky PCIE_SPEED_16_0GT, 1900adc02a9SJean-Sébastien Pédron PCIE_SPEED_32_0GT, 1910adc02a9SJean-Sébastien Pédron PCIE_SPEED_64_0GT, 192a65ef215SHans Petter Selasky }; 1938d59ecb2SHans Petter Selasky 194a65ef215SHans Petter Selasky enum pcie_link_width { 195ab62989aSHans Petter Selasky PCIE_LNK_WIDTH_RESRV = 0x00, 196ab62989aSHans Petter Selasky PCIE_LNK_X1 = 0x01, 197ab62989aSHans Petter Selasky PCIE_LNK_X2 = 0x02, 198ab62989aSHans Petter Selasky PCIE_LNK_X4 = 0x04, 199ab62989aSHans Petter Selasky PCIE_LNK_X8 = 0x08, 200ab62989aSHans Petter Selasky PCIE_LNK_X12 = 0x0c, 201ab62989aSHans Petter Selasky PCIE_LNK_X16 = 0x10, 202ab62989aSHans Petter Selasky PCIE_LNK_X32 = 0x20, 203ab62989aSHans Petter Selasky PCIE_LNK_WIDTH_UNKNOWN = 0xff, 204a65ef215SHans Petter Selasky }; 205a65ef215SHans Petter Selasky 206fc1d8409SBjoern A. Zeeb #define PCIE_LINK_STATE_L0S 0x00000001 207fc1d8409SBjoern A. Zeeb #define PCIE_LINK_STATE_L1 0x00000002 208fc1d8409SBjoern A. Zeeb #define PCIE_LINK_STATE_CLKPM 0x00000004 209fc1d8409SBjoern A. Zeeb 21012af734dSHans Petter Selasky typedef int pci_power_t; 21112af734dSHans Petter Selasky 21212af734dSHans Petter Selasky #define PCI_D0 PCI_POWERSTATE_D0 21312af734dSHans Petter Selasky #define PCI_D1 PCI_POWERSTATE_D1 21412af734dSHans Petter Selasky #define PCI_D2 PCI_POWERSTATE_D2 21512af734dSHans Petter Selasky #define PCI_D3hot PCI_POWERSTATE_D3 21612af734dSHans Petter Selasky #define PCI_D3cold 4 21712af734dSHans Petter Selasky 21812af734dSHans Petter Selasky #define PCI_POWER_ERROR PCI_POWERSTATE_UNKNOWN 21912af734dSHans Petter Selasky 2204cb3cb2dSJake Freeland extern const char *pci_power_names[6]; 2214cb3cb2dSJake Freeland 222fc1d8409SBjoern A. Zeeb #define PCI_ERR_ROOT_COMMAND PCIR_AER_ROOTERR_CMD 223fc1d8409SBjoern A. Zeeb #define PCI_ERR_ROOT_ERR_SRC PCIR_AER_COR_SOURCE_ID 224fc1d8409SBjoern A. Zeeb 225fc1d8409SBjoern A. Zeeb #define PCI_EXT_CAP_ID_ERR PCIZ_AER 226c4f52f71SBjoern A. Zeeb #define PCI_EXT_CAP_ID_L1SS PCIZ_L1PM 227c4f52f71SBjoern A. Zeeb 228c4f52f71SBjoern A. Zeeb #define PCI_L1SS_CTL1 0x8 229c4f52f71SBjoern A. Zeeb #define PCI_L1SS_CTL1_L1SS_MASK 0xf 230fc1d8409SBjoern A. Zeeb 231366d68f2SBjoern A. Zeeb #define PCI_IRQ_LEGACY 0x01 232366d68f2SBjoern A. Zeeb #define PCI_IRQ_MSI 0x02 233366d68f2SBjoern A. Zeeb #define PCI_IRQ_MSIX 0x04 234c41d8354SBjoern A. Zeeb #define PCI_IRQ_ALL_TYPES (PCI_IRQ_MSIX|PCI_IRQ_MSI|PCI_IRQ_LEGACY) 235366d68f2SBjoern A. Zeeb 236a65ef215SHans Petter Selasky struct pci_dev; 2378d59ecb2SHans Petter Selasky 2388d59ecb2SHans Petter Selasky struct pci_driver { 239cf899348SBjoern A. Zeeb struct list_head node; 2408d59ecb2SHans Petter Selasky char *name; 2418d59ecb2SHans Petter Selasky const struct pci_device_id *id_table; 2428d59ecb2SHans Petter Selasky int (*probe)(struct pci_dev *dev, const struct pci_device_id *id); 2438d59ecb2SHans Petter Selasky void (*remove)(struct pci_dev *dev); 2448d59ecb2SHans Petter Selasky int (*suspend) (struct pci_dev *dev, pm_message_t state); /* Device suspended */ 2458d59ecb2SHans Petter Selasky int (*resume) (struct pci_dev *dev); /* Device woken up */ 2467d133393SHans Petter Selasky void (*shutdown) (struct pci_dev *dev); /* Device shutdown */ 247b38dc0a1SMark Johnston driver_t bsddriver; 2488d59ecb2SHans Petter Selasky devclass_t bsdclass; 24988156ba5SMark Johnston struct device_driver driver; 2508d59ecb2SHans Petter Selasky const struct pci_error_handlers *err_handler; 2510b7bd01aSMark Johnston bool isdrm; 252b91dd79bSBjoern A. Zeeb int bsd_probe_return; 2532928e60eSKonstantin Belousov int (*bsd_iov_init)(device_t dev, uint16_t num_vfs, 2542928e60eSKonstantin Belousov const nvlist_t *pf_config); 2552928e60eSKonstantin Belousov void (*bsd_iov_uninit)(device_t dev); 2562928e60eSKonstantin Belousov int (*bsd_iov_add_vf)(device_t dev, uint16_t vfnum, 2572928e60eSKonstantin Belousov const nvlist_t *vf_config); 2580b7bd01aSMark Johnston }; 2590b7bd01aSMark Johnston 2600b7bd01aSMark Johnston struct pci_bus { 2610b7bd01aSMark Johnston struct pci_dev *self; 262937a05baSJustin Hibbits int domain; 2630b7bd01aSMark Johnston int number; 2648d59ecb2SHans Petter Selasky }; 2658d59ecb2SHans Petter Selasky 2668d59ecb2SHans Petter Selasky extern struct list_head pci_drivers; 2678d59ecb2SHans Petter Selasky extern struct list_head pci_devices; 2688d59ecb2SHans Petter Selasky extern spinlock_t pci_lock; 2698d59ecb2SHans Petter Selasky 2708d59ecb2SHans Petter Selasky #define __devexit_p(x) x 2718d59ecb2SHans Petter Selasky 272366d68f2SBjoern A. Zeeb #define module_pci_driver(_driver) \ 273366d68f2SBjoern A. Zeeb \ 274366d68f2SBjoern A. Zeeb static inline int \ 275366d68f2SBjoern A. Zeeb _pci_init(void) \ 276366d68f2SBjoern A. Zeeb { \ 277366d68f2SBjoern A. Zeeb \ 278366d68f2SBjoern A. Zeeb return (linux_pci_register_driver(&_driver)); \ 279366d68f2SBjoern A. Zeeb } \ 280366d68f2SBjoern A. Zeeb \ 281366d68f2SBjoern A. Zeeb static inline void \ 282366d68f2SBjoern A. Zeeb _pci_exit(void) \ 283366d68f2SBjoern A. Zeeb { \ 284366d68f2SBjoern A. Zeeb \ 285366d68f2SBjoern A. Zeeb linux_pci_unregister_driver(&_driver); \ 286366d68f2SBjoern A. Zeeb } \ 287366d68f2SBjoern A. Zeeb \ 288366d68f2SBjoern A. Zeeb module_init(_pci_init); \ 289366d68f2SBjoern A. Zeeb module_exit(_pci_exit) 290366d68f2SBjoern A. Zeeb 2914b56afafSBjoern A. Zeeb struct msi_msg { 2924b56afafSBjoern A. Zeeb uint32_t data; 2934b56afafSBjoern A. Zeeb }; 2944b56afafSBjoern A. Zeeb 2954b56afafSBjoern A. Zeeb struct msi_desc { 2964b56afafSBjoern A. Zeeb struct msi_msg msg; 2974b56afafSBjoern A. Zeeb struct { 2984b56afafSBjoern A. Zeeb bool is_64; 2994b56afafSBjoern A. Zeeb } msi_attrib; 3004b56afafSBjoern A. Zeeb }; 3014b56afafSBjoern A. Zeeb 302d4a4960cSBjoern A. Zeeb /* 303d4a4960cSBjoern A. Zeeb * If we find drivers accessing this from multiple KPIs we may have to 304d4a4960cSBjoern A. Zeeb * refcount objects of this structure. 305d4a4960cSBjoern A. Zeeb */ 3064c274849SEmmanuel Vadot struct pci_mmio_region { 3074c274849SEmmanuel Vadot TAILQ_ENTRY(pci_mmio_region) next; 3084c274849SEmmanuel Vadot struct resource *res; 3094c274849SEmmanuel Vadot int rid; 3104c274849SEmmanuel Vadot int type; 3114c274849SEmmanuel Vadot }; 3124c274849SEmmanuel Vadot 3138d59ecb2SHans Petter Selasky struct pci_dev { 3148d59ecb2SHans Petter Selasky struct device dev; 3158d59ecb2SHans Petter Selasky struct list_head links; 3168d59ecb2SHans Petter Selasky struct pci_driver *pdrv; 3170b7bd01aSMark Johnston struct pci_bus *bus; 3188e106c52SBjoern A. Zeeb struct pci_dev *root; 3194cb3cb2dSJake Freeland pci_power_t current_state; 3208d59ecb2SHans Petter Selasky uint16_t device; 3218d59ecb2SHans Petter Selasky uint16_t vendor; 322f2ec04a3SMark Johnston uint16_t subsystem_vendor; 323f2ec04a3SMark Johnston uint16_t subsystem_device; 3248d59ecb2SHans Petter Selasky unsigned int irq; 3258d59ecb2SHans Petter Selasky unsigned int devfn; 3266373e95eSMark Johnston uint32_t class; 3276373e95eSMark Johnston uint8_t revision; 3284b56afafSBjoern A. Zeeb uint8_t msi_cap; 3294152ce21SJean-Sébastien Pédron uint8_t msix_cap; 330d4a4960cSBjoern A. Zeeb bool managed; /* devres "pcim_*(). */ 331d4a4960cSBjoern A. Zeeb bool want_iomap_res; 3324f109faaSHans Petter Selasky bool msi_enabled; 333d4a4960cSBjoern A. Zeeb bool msix_enabled; 334096104e7SNeel Chauhan phys_addr_t rom; 335096104e7SNeel Chauhan size_t romlen; 3364b56afafSBjoern A. Zeeb /* 3374b56afafSBjoern A. Zeeb * msi_desc should be an array one day? For as long as we only support 3384b56afafSBjoern A. Zeeb * 1 MSI vector this is fine. 3394b56afafSBjoern A. Zeeb */ 3404b56afafSBjoern A. Zeeb struct msi_desc *msi_desc; 3414c274849SEmmanuel Vadot 3424c274849SEmmanuel Vadot TAILQ_HEAD(, pci_mmio_region) mmio; 3438d59ecb2SHans Petter Selasky }; 3448d59ecb2SHans Petter Selasky 345d4a4960cSBjoern A. Zeeb /* We need some meta-struct to keep track of these for devres. */ 346d4a4960cSBjoern A. Zeeb struct pci_devres { 347d4a4960cSBjoern A. Zeeb bool enable_io; 348d4a4960cSBjoern A. Zeeb /* PCIR_MAX_BAR_0 + 1 = 6 => BIT(0..5). */ 349d4a4960cSBjoern A. Zeeb uint8_t region_mask; 350d4a4960cSBjoern A. Zeeb struct resource *region_table[PCIR_MAX_BAR_0 + 1]; /* Not needed. */ 351d4a4960cSBjoern A. Zeeb }; 352d4a4960cSBjoern A. Zeeb struct pcim_iomap_devres { 353d4a4960cSBjoern A. Zeeb void *mmio_table[PCIR_MAX_BAR_0 + 1]; 354d4a4960cSBjoern A. Zeeb struct resource *res_table[PCIR_MAX_BAR_0 + 1]; 355d4a4960cSBjoern A. Zeeb }; 356d4a4960cSBjoern A. Zeeb 3571cdb2534SWarner Losh int pci_request_region(struct pci_dev *pdev, int bar, const char *res_name); 35836b5c440SWarner Losh int pci_alloc_irq_vectors(struct pci_dev *pdev, int minv, int maxv, 35936b5c440SWarner Losh unsigned int flags); 3600d0ca120SBjoern A. Zeeb bool pci_device_is_present(struct pci_dev *pdev); 3611cdb2534SWarner Losh 3628e106c52SBjoern A. Zeeb /* Internal helper function(s). */ 3638e106c52SBjoern A. Zeeb struct pci_dev *lkpinew_pci_dev(device_t); 3643ea682e2SWarner Losh struct pci_devres *lkpi_pci_devres_get_alloc(struct pci_dev *pdev); 365d4a4960cSBjoern A. Zeeb void lkpi_pci_devres_release(struct device *, void *); 3661cdb2534SWarner Losh struct resource *_lkpi_pci_iomap(struct pci_dev *pdev, int bar, int mmio_size); 3672bf3361dSWarner Losh struct pcim_iomap_devres *lkpi_pcim_iomap_devres_find(struct pci_dev *pdev); 368d4a4960cSBjoern A. Zeeb void lkpi_pcim_iomap_table_release(struct device *, void *); 3698f61992dSBjoern A. Zeeb struct pci_dev *lkpi_pci_get_device(uint16_t, uint16_t, struct pci_dev *); 3704b56afafSBjoern A. Zeeb struct msi_desc *lkpi_pci_msi_desc_alloc(int); 3718e106c52SBjoern A. Zeeb 372c41d8354SBjoern A. Zeeb static inline bool 373c41d8354SBjoern A. Zeeb dev_is_pci(struct device *dev) 374c41d8354SBjoern A. Zeeb { 375c41d8354SBjoern A. Zeeb 376c41d8354SBjoern A. Zeeb return (device_get_devclass(dev->bsddev) == devclass_find("pci")); 377c41d8354SBjoern A. Zeeb } 378c41d8354SBjoern A. Zeeb 379d4a4960cSBjoern A. Zeeb static inline int 380d4a4960cSBjoern A. Zeeb pci_resource_type(struct pci_dev *pdev, int bar) 381d4a4960cSBjoern A. Zeeb { 382d4a4960cSBjoern A. Zeeb struct pci_map *pm; 383d4a4960cSBjoern A. Zeeb 384d4a4960cSBjoern A. Zeeb pm = pci_find_bar(pdev->dev.bsddev, PCIR_BAR(bar)); 385d4a4960cSBjoern A. Zeeb if (!pm) 386d4a4960cSBjoern A. Zeeb return (-1); 387d4a4960cSBjoern A. Zeeb 388d4a4960cSBjoern A. Zeeb if (PCI_BAR_IO(pm->pm_value)) 389d4a4960cSBjoern A. Zeeb return (SYS_RES_IOPORT); 390d4a4960cSBjoern A. Zeeb else 391d4a4960cSBjoern A. Zeeb return (SYS_RES_MEMORY); 392d4a4960cSBjoern A. Zeeb } 3938e106c52SBjoern A. Zeeb 39482098c8bSJessica Clarke struct resource_list_entry *linux_pci_reserve_bar(struct pci_dev *pdev, 39582098c8bSJessica Clarke struct resource_list *rl, int type, int rid); 39682098c8bSJessica Clarke 3978d59ecb2SHans Petter Selasky static inline struct resource_list_entry * 39882098c8bSJessica Clarke linux_pci_get_rle(struct pci_dev *pdev, int type, int rid, bool reserve_bar) 3998d59ecb2SHans Petter Selasky { 4008d59ecb2SHans Petter Selasky struct pci_devinfo *dinfo; 4018d59ecb2SHans Petter Selasky struct resource_list *rl; 40282098c8bSJessica Clarke struct resource_list_entry *rle; 4038d59ecb2SHans Petter Selasky 4048d59ecb2SHans Petter Selasky dinfo = device_get_ivars(pdev->dev.bsddev); 4058d59ecb2SHans Petter Selasky rl = &dinfo->resources; 40682098c8bSJessica Clarke rle = resource_list_find(rl, type, rid); 40782098c8bSJessica Clarke /* Reserve resources for this BAR if needed. */ 40882098c8bSJessica Clarke if (rle == NULL && reserve_bar) 40982098c8bSJessica Clarke rle = linux_pci_reserve_bar(pdev, rl, type, rid); 41082098c8bSJessica Clarke return (rle); 4118d59ecb2SHans Petter Selasky } 4128d59ecb2SHans Petter Selasky 4138d59ecb2SHans Petter Selasky static inline struct resource_list_entry * 41482098c8bSJessica Clarke linux_pci_get_bar(struct pci_dev *pdev, int bar, bool reserve) 4158d59ecb2SHans Petter Selasky { 416d4a4960cSBjoern A. Zeeb int type; 4178d59ecb2SHans Petter Selasky 418d4a4960cSBjoern A. Zeeb type = pci_resource_type(pdev, bar); 419d4a4960cSBjoern A. Zeeb if (type < 0) 420d4a4960cSBjoern A. Zeeb return (NULL); 4218d59ecb2SHans Petter Selasky bar = PCIR_BAR(bar); 42282098c8bSJessica Clarke return (linux_pci_get_rle(pdev, type, bar, reserve)); 4238d59ecb2SHans Petter Selasky } 4248d59ecb2SHans Petter Selasky 4258d59ecb2SHans Petter Selasky static inline struct device * 426e996b07cSHans Petter Selasky linux_pci_find_irq_dev(unsigned int irq) 4278d59ecb2SHans Petter Selasky { 4288d59ecb2SHans Petter Selasky struct pci_dev *pdev; 4292f02a9e1SConrad Meyer struct device *found; 4308d59ecb2SHans Petter Selasky 4312f02a9e1SConrad Meyer found = NULL; 4328d59ecb2SHans Petter Selasky spin_lock(&pci_lock); 4338d59ecb2SHans Petter Selasky list_for_each_entry(pdev, &pci_devices, links) { 4342f02a9e1SConrad Meyer if (irq == pdev->dev.irq || 4354f109faaSHans Petter Selasky (irq >= pdev->dev.irq_start && irq < pdev->dev.irq_end)) { 4362f02a9e1SConrad Meyer found = &pdev->dev; 4378d59ecb2SHans Petter Selasky break; 4388d59ecb2SHans Petter Selasky } 4392f02a9e1SConrad Meyer } 4408d59ecb2SHans Petter Selasky spin_unlock(&pci_lock); 4412f02a9e1SConrad Meyer return (found); 4428d59ecb2SHans Petter Selasky } 4438d59ecb2SHans Petter Selasky 4448d59ecb2SHans Petter Selasky /* 4458d59ecb2SHans Petter Selasky * All drivers just seem to want to inspect the type not flags. 4468d59ecb2SHans Petter Selasky */ 4478d59ecb2SHans Petter Selasky static inline int 4488d59ecb2SHans Petter Selasky pci_resource_flags(struct pci_dev *pdev, int bar) 4498d59ecb2SHans Petter Selasky { 450bdff61f8SHans Petter Selasky int type; 4518d59ecb2SHans Petter Selasky 452bdff61f8SHans Petter Selasky type = pci_resource_type(pdev, bar); 453bdff61f8SHans Petter Selasky if (type < 0) 4548d59ecb2SHans Petter Selasky return (0); 455bdff61f8SHans Petter Selasky return (1 << type); 4568d59ecb2SHans Petter Selasky } 4578d59ecb2SHans Petter Selasky 4588d59ecb2SHans Petter Selasky static inline const char * 4598d59ecb2SHans Petter Selasky pci_name(struct pci_dev *d) 4608d59ecb2SHans Petter Selasky { 4618d59ecb2SHans Petter Selasky 4628d59ecb2SHans Petter Selasky return device_get_desc(d->dev.bsddev); 4638d59ecb2SHans Petter Selasky } 4648d59ecb2SHans Petter Selasky 4658d59ecb2SHans Petter Selasky static inline void * 4668d59ecb2SHans Petter Selasky pci_get_drvdata(struct pci_dev *pdev) 4678d59ecb2SHans Petter Selasky { 4688d59ecb2SHans Petter Selasky 4698d59ecb2SHans Petter Selasky return dev_get_drvdata(&pdev->dev); 4708d59ecb2SHans Petter Selasky } 4718d59ecb2SHans Petter Selasky 4728d59ecb2SHans Petter Selasky static inline void 4738d59ecb2SHans Petter Selasky pci_set_drvdata(struct pci_dev *pdev, void *data) 4748d59ecb2SHans Petter Selasky { 4758d59ecb2SHans Petter Selasky 4768d59ecb2SHans Petter Selasky dev_set_drvdata(&pdev->dev, data); 4778d59ecb2SHans Petter Selasky } 4788d59ecb2SHans Petter Selasky 4798e106c52SBjoern A. Zeeb static inline struct pci_dev * 4808e106c52SBjoern A. Zeeb pci_dev_get(struct pci_dev *pdev) 4818e106c52SBjoern A. Zeeb { 4828e106c52SBjoern A. Zeeb 4838e106c52SBjoern A. Zeeb if (pdev != NULL) 4848e106c52SBjoern A. Zeeb get_device(&pdev->dev); 4858e106c52SBjoern A. Zeeb return (pdev); 4868e106c52SBjoern A. Zeeb } 4878e106c52SBjoern A. Zeeb 4881fac2cb4SBjoern A. Zeeb static __inline void 4891fac2cb4SBjoern A. Zeeb pci_dev_put(struct pci_dev *pdev) 4901fac2cb4SBjoern A. Zeeb { 4911fac2cb4SBjoern A. Zeeb 4921fac2cb4SBjoern A. Zeeb if (pdev != NULL) 4931fac2cb4SBjoern A. Zeeb put_device(&pdev->dev); 4941fac2cb4SBjoern A. Zeeb } 4951fac2cb4SBjoern A. Zeeb 4968d59ecb2SHans Petter Selasky static inline int 4978d59ecb2SHans Petter Selasky pci_enable_device(struct pci_dev *pdev) 4988d59ecb2SHans Petter Selasky { 4998d59ecb2SHans Petter Selasky 5008d59ecb2SHans Petter Selasky pci_enable_io(pdev->dev.bsddev, SYS_RES_IOPORT); 5018d59ecb2SHans Petter Selasky pci_enable_io(pdev->dev.bsddev, SYS_RES_MEMORY); 5028d59ecb2SHans Petter Selasky return (0); 5038d59ecb2SHans Petter Selasky } 5048d59ecb2SHans Petter Selasky 5058d59ecb2SHans Petter Selasky static inline void 5068d59ecb2SHans Petter Selasky pci_disable_device(struct pci_dev *pdev) 5078d59ecb2SHans Petter Selasky { 508f67b5de7SMark Johnston 509555deb3cSHans Petter Selasky pci_disable_busmaster(pdev->dev.bsddev); 5108d59ecb2SHans Petter Selasky } 5118d59ecb2SHans Petter Selasky 5128d59ecb2SHans Petter Selasky static inline int 5138d59ecb2SHans Petter Selasky pci_set_master(struct pci_dev *pdev) 5148d59ecb2SHans Petter Selasky { 5158d59ecb2SHans Petter Selasky 5168d59ecb2SHans Petter Selasky pci_enable_busmaster(pdev->dev.bsddev); 5178d59ecb2SHans Petter Selasky return (0); 5188d59ecb2SHans Petter Selasky } 5198d59ecb2SHans Petter Selasky 5208d59ecb2SHans Petter Selasky static inline int 52112af734dSHans Petter Selasky pci_set_power_state(struct pci_dev *pdev, int state) 52212af734dSHans Petter Selasky { 52312af734dSHans Petter Selasky 52412af734dSHans Petter Selasky pci_set_powerstate(pdev->dev.bsddev, state); 52512af734dSHans Petter Selasky return (0); 52612af734dSHans Petter Selasky } 52712af734dSHans Petter Selasky 52812af734dSHans Petter Selasky static inline int 5298d59ecb2SHans Petter Selasky pci_clear_master(struct pci_dev *pdev) 5308d59ecb2SHans Petter Selasky { 5318d59ecb2SHans Petter Selasky 5328d59ecb2SHans Petter Selasky pci_disable_busmaster(pdev->dev.bsddev); 5338d59ecb2SHans Petter Selasky return (0); 5348d59ecb2SHans Petter Selasky } 5358d59ecb2SHans Petter Selasky 536b3b83625SBjoern A. Zeeb static inline bool 537b3b83625SBjoern A. Zeeb pci_is_root_bus(struct pci_bus *pbus) 538b3b83625SBjoern A. Zeeb { 539b3b83625SBjoern A. Zeeb 540b3b83625SBjoern A. Zeeb return (pbus->self == NULL); 541b3b83625SBjoern A. Zeeb } 542b3b83625SBjoern A. Zeeb 543b3b83625SBjoern A. Zeeb static inline struct pci_dev * 544b3b83625SBjoern A. Zeeb pci_upstream_bridge(struct pci_dev *pdev) 545b3b83625SBjoern A. Zeeb { 546b3b83625SBjoern A. Zeeb 547b3b83625SBjoern A. Zeeb if (pci_is_root_bus(pdev->bus)) 548b3b83625SBjoern A. Zeeb return (NULL); 549b3b83625SBjoern A. Zeeb 550b3b83625SBjoern A. Zeeb /* 551b3b83625SBjoern A. Zeeb * If we do not have a (proper) "upstream bridge" set, e.g., we point 552b3b83625SBjoern A. Zeeb * to ourselves, try to handle this case on the fly like we do 553b3b83625SBjoern A. Zeeb * for pcie_find_root_port(). 554b3b83625SBjoern A. Zeeb */ 555b3b83625SBjoern A. Zeeb if (pdev == pdev->bus->self) { 556b3b83625SBjoern A. Zeeb device_t bridge; 557b3b83625SBjoern A. Zeeb 558b3b83625SBjoern A. Zeeb bridge = device_get_parent(pdev->dev.bsddev); 559b3b83625SBjoern A. Zeeb if (bridge == NULL) 560b3b83625SBjoern A. Zeeb goto done; 561b3b83625SBjoern A. Zeeb bridge = device_get_parent(bridge); 562b3b83625SBjoern A. Zeeb if (bridge == NULL) 563b3b83625SBjoern A. Zeeb goto done; 564b3b83625SBjoern A. Zeeb if (device_get_devclass(device_get_parent(bridge)) != 565b3b83625SBjoern A. Zeeb devclass_find("pci")) 566b3b83625SBjoern A. Zeeb goto done; 567b3b83625SBjoern A. Zeeb 568b3b83625SBjoern A. Zeeb /* 569b3b83625SBjoern A. Zeeb * "bridge" is a PCI-to-PCI bridge. Create a Linux pci_dev 570b3b83625SBjoern A. Zeeb * for it so it can be returned. 571b3b83625SBjoern A. Zeeb */ 572b3b83625SBjoern A. Zeeb pdev->bus->self = lkpinew_pci_dev(bridge); 573b3b83625SBjoern A. Zeeb } 574b3b83625SBjoern A. Zeeb done: 575b3b83625SBjoern A. Zeeb return (pdev->bus->self); 576b3b83625SBjoern A. Zeeb } 577b3b83625SBjoern A. Zeeb 578d4a4960cSBjoern A. Zeeb static inline struct pci_devres * 579d4a4960cSBjoern A. Zeeb lkpi_pci_devres_find(struct pci_dev *pdev) 580d4a4960cSBjoern A. Zeeb { 581d4a4960cSBjoern A. Zeeb 582d4a4960cSBjoern A. Zeeb if (!pdev->managed) 583d4a4960cSBjoern A. Zeeb return (NULL); 584d4a4960cSBjoern A. Zeeb 585d4a4960cSBjoern A. Zeeb return (lkpi_pci_devres_get_alloc(pdev)); 586d4a4960cSBjoern A. Zeeb } 587d4a4960cSBjoern A. Zeeb 5888d59ecb2SHans Petter Selasky static inline void 5898d59ecb2SHans Petter Selasky pci_release_region(struct pci_dev *pdev, int bar) 5908d59ecb2SHans Petter Selasky { 5918d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 592d4a4960cSBjoern A. Zeeb struct pci_devres *dr; 593d4a4960cSBjoern A. Zeeb struct pci_mmio_region *mmio, *p; 5948d59ecb2SHans Petter Selasky 59582098c8bSJessica Clarke if ((rle = linux_pci_get_bar(pdev, bar, false)) == NULL) 5968d59ecb2SHans Petter Selasky return; 597d4a4960cSBjoern A. Zeeb 598d4a4960cSBjoern A. Zeeb /* 599d4a4960cSBjoern A. Zeeb * As we implicitly track the requests we also need to clear them on 600d4a4960cSBjoern A. Zeeb * release. Do clear before resource release. 601d4a4960cSBjoern A. Zeeb */ 602d4a4960cSBjoern A. Zeeb dr = lkpi_pci_devres_find(pdev); 603d4a4960cSBjoern A. Zeeb if (dr != NULL) { 604d4a4960cSBjoern A. Zeeb KASSERT(dr->region_table[bar] == rle->res, ("%s: pdev %p bar %d" 605d4a4960cSBjoern A. Zeeb " region_table res %p != rel->res %p\n", __func__, pdev, 606d4a4960cSBjoern A. Zeeb bar, dr->region_table[bar], rle->res)); 607d4a4960cSBjoern A. Zeeb dr->region_table[bar] = NULL; 608d4a4960cSBjoern A. Zeeb dr->region_mask &= ~(1 << bar); 609d4a4960cSBjoern A. Zeeb } 610d4a4960cSBjoern A. Zeeb 611d4a4960cSBjoern A. Zeeb TAILQ_FOREACH_SAFE(mmio, &pdev->mmio, next, p) { 612d4a4960cSBjoern A. Zeeb if (rle->res != (void *)rman_get_bushandle(mmio->res)) 613d4a4960cSBjoern A. Zeeb continue; 614d4a4960cSBjoern A. Zeeb TAILQ_REMOVE(&pdev->mmio, mmio, next); 615d4a4960cSBjoern A. Zeeb free(mmio, M_DEVBUF); 616d4a4960cSBjoern A. Zeeb } 617d4a4960cSBjoern A. Zeeb 6188d59ecb2SHans Petter Selasky bus_release_resource(pdev->dev.bsddev, rle->type, rle->rid, rle->res); 6198d59ecb2SHans Petter Selasky } 6208d59ecb2SHans Petter Selasky 6218d59ecb2SHans Petter Selasky static inline void 6228d59ecb2SHans Petter Selasky pci_release_regions(struct pci_dev *pdev) 6238d59ecb2SHans Petter Selasky { 6248d59ecb2SHans Petter Selasky int i; 6258d59ecb2SHans Petter Selasky 6268d59ecb2SHans Petter Selasky for (i = 0; i <= PCIR_MAX_BAR_0; i++) 6278d59ecb2SHans Petter Selasky pci_release_region(pdev, i); 6288d59ecb2SHans Petter Selasky } 6298d59ecb2SHans Petter Selasky 6308d59ecb2SHans Petter Selasky static inline int 6318d59ecb2SHans Petter Selasky pci_request_regions(struct pci_dev *pdev, const char *res_name) 6328d59ecb2SHans Petter Selasky { 6338d59ecb2SHans Petter Selasky int error; 6348d59ecb2SHans Petter Selasky int i; 6358d59ecb2SHans Petter Selasky 6368d59ecb2SHans Petter Selasky for (i = 0; i <= PCIR_MAX_BAR_0; i++) { 6378d59ecb2SHans Petter Selasky error = pci_request_region(pdev, i, res_name); 6388d59ecb2SHans Petter Selasky if (error && error != -ENODEV) { 6398d59ecb2SHans Petter Selasky pci_release_regions(pdev); 6408d59ecb2SHans Petter Selasky return (error); 6418d59ecb2SHans Petter Selasky } 6428d59ecb2SHans Petter Selasky } 6438d59ecb2SHans Petter Selasky return (0); 6448d59ecb2SHans Petter Selasky } 6458d59ecb2SHans Petter Selasky 6468d59ecb2SHans Petter Selasky static inline void 647d4a4960cSBjoern A. Zeeb lkpi_pci_disable_msix(struct pci_dev *pdev) 6488d59ecb2SHans Petter Selasky { 6498d59ecb2SHans Petter Selasky 6508d59ecb2SHans Petter Selasky pci_release_msi(pdev->dev.bsddev); 651e1992aa1SHans Petter Selasky 652e1992aa1SHans Petter Selasky /* 653e1992aa1SHans Petter Selasky * The MSIX IRQ numbers associated with this PCI device are no 654e1992aa1SHans Petter Selasky * longer valid and might be re-assigned. Make sure 655e1992aa1SHans Petter Selasky * linux_pci_find_irq_dev() does no longer see them by 656e1992aa1SHans Petter Selasky * resetting their references to zero: 657e1992aa1SHans Petter Selasky */ 6584f109faaSHans Petter Selasky pdev->dev.irq_start = 0; 6594f109faaSHans Petter Selasky pdev->dev.irq_end = 0; 660d4a4960cSBjoern A. Zeeb pdev->msix_enabled = false; 6614f109faaSHans Petter Selasky } 662d4a4960cSBjoern A. Zeeb /* Only for consistency. No conflict on that one. */ 663d4a4960cSBjoern A. Zeeb #define pci_disable_msix(pdev) lkpi_pci_disable_msix(pdev) 6644f109faaSHans Petter Selasky 6654f109faaSHans Petter Selasky static inline void 666d4a4960cSBjoern A. Zeeb lkpi_pci_disable_msi(struct pci_dev *pdev) 6674f109faaSHans Petter Selasky { 6684f109faaSHans Petter Selasky 6694f109faaSHans Petter Selasky pci_release_msi(pdev->dev.bsddev); 6704f109faaSHans Petter Selasky 6714f109faaSHans Petter Selasky pdev->dev.irq_start = 0; 6724f109faaSHans Petter Selasky pdev->dev.irq_end = 0; 6734f109faaSHans Petter Selasky pdev->irq = pdev->dev.irq; 6744f109faaSHans Petter Selasky pdev->msi_enabled = false; 6758d59ecb2SHans Petter Selasky } 676d4a4960cSBjoern A. Zeeb #define pci_disable_msi(pdev) lkpi_pci_disable_msi(pdev) 677539228d3SBjoern A. Zeeb #define pci_free_irq_vectors(pdev) lkpi_pci_disable_msi(pdev) 678105a37caSEmmanuel Vadot 679937a05baSJustin Hibbits unsigned long pci_resource_start(struct pci_dev *pdev, int bar); 680937a05baSJustin Hibbits unsigned long pci_resource_len(struct pci_dev *pdev, int bar); 681937a05baSJustin Hibbits 68212af734dSHans Petter Selasky static inline bus_addr_t 68312af734dSHans Petter Selasky pci_bus_address(struct pci_dev *pdev, int bar) 68412af734dSHans Petter Selasky { 68512af734dSHans Petter Selasky 68612af734dSHans Petter Selasky return (pci_resource_start(pdev, bar)); 68712af734dSHans Petter Selasky } 68812af734dSHans Petter Selasky 6898d59ecb2SHans Petter Selasky #define PCI_CAP_ID_EXP PCIY_EXPRESS 6908d59ecb2SHans Petter Selasky #define PCI_CAP_ID_PCIX PCIY_PCIX 69112af734dSHans Petter Selasky #define PCI_CAP_ID_AGP PCIY_AGP 69212af734dSHans Petter Selasky #define PCI_CAP_ID_PM PCIY_PMG 6938d59ecb2SHans Petter Selasky 69412af734dSHans Petter Selasky #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL 69512af734dSHans Petter Selasky #define PCI_EXP_DEVCTL_PAYLOAD PCIEM_CTL_MAX_PAYLOAD 69612af734dSHans Petter Selasky #define PCI_EXP_DEVCTL_READRQ PCIEM_CTL_MAX_READ_REQUEST 69712af734dSHans Petter Selasky #define PCI_EXP_LNKCTL PCIER_LINK_CTL 69812af734dSHans Petter Selasky #define PCI_EXP_LNKSTA PCIER_LINK_STA 6998d59ecb2SHans Petter Selasky 7008d59ecb2SHans Petter Selasky static inline int 7018d59ecb2SHans Petter Selasky pci_find_capability(struct pci_dev *pdev, int capid) 7028d59ecb2SHans Petter Selasky { 7038d59ecb2SHans Petter Selasky int reg; 7048d59ecb2SHans Petter Selasky 7058d59ecb2SHans Petter Selasky if (pci_find_cap(pdev->dev.bsddev, capid, ®)) 7068d59ecb2SHans Petter Selasky return (0); 7078d59ecb2SHans Petter Selasky return (reg); 7088d59ecb2SHans Petter Selasky } 7098d59ecb2SHans Petter Selasky 7108d59ecb2SHans Petter Selasky static inline int pci_pcie_cap(struct pci_dev *dev) 7118d59ecb2SHans Petter Selasky { 7128d59ecb2SHans Petter Selasky return pci_find_capability(dev, PCI_CAP_ID_EXP); 7138d59ecb2SHans Petter Selasky } 7148d59ecb2SHans Petter Selasky 7158d59ecb2SHans Petter Selasky static inline int 7168e106c52SBjoern A. Zeeb pci_find_ext_capability(struct pci_dev *pdev, int capid) 7178e106c52SBjoern A. Zeeb { 7188e106c52SBjoern A. Zeeb int reg; 7198e106c52SBjoern A. Zeeb 7208e106c52SBjoern A. Zeeb if (pci_find_extcap(pdev->dev.bsddev, capid, ®)) 7218e106c52SBjoern A. Zeeb return (0); 7228e106c52SBjoern A. Zeeb return (reg); 7238e106c52SBjoern A. Zeeb } 7248e106c52SBjoern A. Zeeb 7258e106c52SBjoern A. Zeeb #define PCIM_PCAP_PME_SHIFT 11 7268e106c52SBjoern A. Zeeb static __inline bool 7278e106c52SBjoern A. Zeeb pci_pme_capable(struct pci_dev *pdev, uint32_t flag) 7288e106c52SBjoern A. Zeeb { 7298e106c52SBjoern A. Zeeb struct pci_devinfo *dinfo; 7308e106c52SBjoern A. Zeeb pcicfgregs *cfg; 7318e106c52SBjoern A. Zeeb 7328e106c52SBjoern A. Zeeb if (flag > (PCIM_PCAP_D3PME_COLD >> PCIM_PCAP_PME_SHIFT)) 7338e106c52SBjoern A. Zeeb return (false); 7348e106c52SBjoern A. Zeeb 7358e106c52SBjoern A. Zeeb dinfo = device_get_ivars(pdev->dev.bsddev); 7368e106c52SBjoern A. Zeeb cfg = &dinfo->cfg; 7378e106c52SBjoern A. Zeeb 7388e106c52SBjoern A. Zeeb if (cfg->pp.pp_cap == 0) 7398e106c52SBjoern A. Zeeb return (false); 7408e106c52SBjoern A. Zeeb 7418e106c52SBjoern A. Zeeb if ((cfg->pp.pp_cap & (1 << (PCIM_PCAP_PME_SHIFT + flag))) != 0) 7428e106c52SBjoern A. Zeeb return (true); 7438e106c52SBjoern A. Zeeb 7448e106c52SBjoern A. Zeeb return (false); 7458e106c52SBjoern A. Zeeb } 7468e106c52SBjoern A. Zeeb 7478e106c52SBjoern A. Zeeb static inline int 7488e106c52SBjoern A. Zeeb pci_disable_link_state(struct pci_dev *pdev, uint32_t flags) 7498e106c52SBjoern A. Zeeb { 7508e106c52SBjoern A. Zeeb 7518e106c52SBjoern A. Zeeb if (!pci_enable_aspm) 7528e106c52SBjoern A. Zeeb return (-EPERM); 7538e106c52SBjoern A. Zeeb 7548e106c52SBjoern A. Zeeb return (-ENXIO); 7558e106c52SBjoern A. Zeeb } 7568e106c52SBjoern A. Zeeb 7578e106c52SBjoern A. Zeeb static inline int 758ed5600f5SBjoern A. Zeeb pci_read_config_byte(const struct pci_dev *pdev, int where, u8 *val) 7598d59ecb2SHans Petter Selasky { 7608d59ecb2SHans Petter Selasky 7618d59ecb2SHans Petter Selasky *val = (u8)pci_read_config(pdev->dev.bsddev, where, 1); 7628d59ecb2SHans Petter Selasky return (0); 7638d59ecb2SHans Petter Selasky } 7648d59ecb2SHans Petter Selasky 7658d59ecb2SHans Petter Selasky static inline int 766ed5600f5SBjoern A. Zeeb pci_read_config_word(const struct pci_dev *pdev, int where, u16 *val) 7678d59ecb2SHans Petter Selasky { 7688d59ecb2SHans Petter Selasky 7698d59ecb2SHans Petter Selasky *val = (u16)pci_read_config(pdev->dev.bsddev, where, 2); 7708d59ecb2SHans Petter Selasky return (0); 7718d59ecb2SHans Petter Selasky } 7728d59ecb2SHans Petter Selasky 7738d59ecb2SHans Petter Selasky static inline int 774ed5600f5SBjoern A. Zeeb pci_read_config_dword(const struct pci_dev *pdev, int where, u32 *val) 7758d59ecb2SHans Petter Selasky { 7768d59ecb2SHans Petter Selasky 7778d59ecb2SHans Petter Selasky *val = (u32)pci_read_config(pdev->dev.bsddev, where, 4); 7788d59ecb2SHans Petter Selasky return (0); 7798d59ecb2SHans Petter Selasky } 7808d59ecb2SHans Petter Selasky 7818d59ecb2SHans Petter Selasky static inline int 782ed5600f5SBjoern A. Zeeb pci_write_config_byte(const struct pci_dev *pdev, int where, u8 val) 7838d59ecb2SHans Petter Selasky { 7848d59ecb2SHans Petter Selasky 7858d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 1); 7868d59ecb2SHans Petter Selasky return (0); 7878d59ecb2SHans Petter Selasky } 7888d59ecb2SHans Petter Selasky 7898d59ecb2SHans Petter Selasky static inline int 790ed5600f5SBjoern A. Zeeb pci_write_config_word(const struct pci_dev *pdev, int where, u16 val) 7918d59ecb2SHans Petter Selasky { 7928d59ecb2SHans Petter Selasky 7938d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 2); 7948d59ecb2SHans Petter Selasky return (0); 7958d59ecb2SHans Petter Selasky } 7968d59ecb2SHans Petter Selasky 7978d59ecb2SHans Petter Selasky static inline int 798ed5600f5SBjoern A. Zeeb pci_write_config_dword(const struct pci_dev *pdev, int where, u32 val) 7998d59ecb2SHans Petter Selasky { 8008d59ecb2SHans Petter Selasky 8018d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 4); 8028d59ecb2SHans Petter Selasky return (0); 8038d59ecb2SHans Petter Selasky } 8048d59ecb2SHans Petter Selasky 8050b7bd01aSMark Johnston int linux_pci_register_driver(struct pci_driver *pdrv); 8060b7bd01aSMark Johnston int linux_pci_register_drm_driver(struct pci_driver *pdrv); 8070b7bd01aSMark Johnston void linux_pci_unregister_driver(struct pci_driver *pdrv); 8085098ed5fSJohannes Lundberg void linux_pci_unregister_drm_driver(struct pci_driver *pdrv); 8090b7bd01aSMark Johnston 8100b7bd01aSMark Johnston #define pci_register_driver(pdrv) linux_pci_register_driver(pdrv) 8110b7bd01aSMark Johnston #define pci_unregister_driver(pdrv) linux_pci_unregister_driver(pdrv) 8128d59ecb2SHans Petter Selasky 8138d59ecb2SHans Petter Selasky struct msix_entry { 8148d59ecb2SHans Petter Selasky int entry; 8158d59ecb2SHans Petter Selasky int vector; 8168d59ecb2SHans Petter Selasky }; 8178d59ecb2SHans Petter Selasky 8188d59ecb2SHans Petter Selasky /* 8198d59ecb2SHans Petter Selasky * Enable msix, positive errors indicate actual number of available 8208d59ecb2SHans Petter Selasky * vectors. Negative errors are failures. 8218d59ecb2SHans Petter Selasky * 8228d59ecb2SHans Petter Selasky * NB: define added to prevent this definition of pci_enable_msix from 8238d59ecb2SHans Petter Selasky * clashing with the native FreeBSD version. 8248d59ecb2SHans Petter Selasky */ 825fa0d4f31SHans Petter Selasky #define pci_enable_msix(...) \ 826fa0d4f31SHans Petter Selasky linux_pci_enable_msix(__VA_ARGS__) 827fa0d4f31SHans Petter Selasky 8288d59ecb2SHans Petter Selasky static inline int 8298d59ecb2SHans Petter Selasky pci_enable_msix(struct pci_dev *pdev, struct msix_entry *entries, int nreq) 8308d59ecb2SHans Petter Selasky { 8318d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 8328d59ecb2SHans Petter Selasky int error; 8338d59ecb2SHans Petter Selasky int avail; 8348d59ecb2SHans Petter Selasky int i; 8358d59ecb2SHans Petter Selasky 8368d59ecb2SHans Petter Selasky avail = pci_msix_count(pdev->dev.bsddev); 8378d59ecb2SHans Petter Selasky if (avail < nreq) { 8388d59ecb2SHans Petter Selasky if (avail == 0) 8398d59ecb2SHans Petter Selasky return -EINVAL; 8408d59ecb2SHans Petter Selasky return avail; 8418d59ecb2SHans Petter Selasky } 8428d59ecb2SHans Petter Selasky avail = nreq; 8438d59ecb2SHans Petter Selasky if ((error = -pci_alloc_msix(pdev->dev.bsddev, &avail)) != 0) 8448d59ecb2SHans Petter Selasky return error; 8458d59ecb2SHans Petter Selasky /* 8468d59ecb2SHans Petter Selasky * Handle case where "pci_alloc_msix()" may allocate less 8478d59ecb2SHans Petter Selasky * interrupts than available and return with no error: 8488d59ecb2SHans Petter Selasky */ 8498d59ecb2SHans Petter Selasky if (avail < nreq) { 8508d59ecb2SHans Petter Selasky pci_release_msi(pdev->dev.bsddev); 8518d59ecb2SHans Petter Selasky return avail; 8528d59ecb2SHans Petter Selasky } 85382098c8bSJessica Clarke rle = linux_pci_get_rle(pdev, SYS_RES_IRQ, 1, false); 8544f109faaSHans Petter Selasky pdev->dev.irq_start = rle->start; 8554f109faaSHans Petter Selasky pdev->dev.irq_end = rle->start + avail; 8568d59ecb2SHans Petter Selasky for (i = 0; i < nreq; i++) 8574f109faaSHans Petter Selasky entries[i].vector = pdev->dev.irq_start + i; 858d4a4960cSBjoern A. Zeeb pdev->msix_enabled = true; 8598d59ecb2SHans Petter Selasky return (0); 8608d59ecb2SHans Petter Selasky } 8618d59ecb2SHans Petter Selasky 862fa0d4f31SHans Petter Selasky #define pci_enable_msix_range(...) \ 863fa0d4f31SHans Petter Selasky linux_pci_enable_msix_range(__VA_ARGS__) 864fa0d4f31SHans Petter Selasky 8658d59ecb2SHans Petter Selasky static inline int 8668d59ecb2SHans Petter Selasky pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries, 8678d59ecb2SHans Petter Selasky int minvec, int maxvec) 8688d59ecb2SHans Petter Selasky { 8698d59ecb2SHans Petter Selasky int nvec = maxvec; 8708d59ecb2SHans Petter Selasky int rc; 8718d59ecb2SHans Petter Selasky 8728d59ecb2SHans Petter Selasky if (maxvec < minvec) 8738d59ecb2SHans Petter Selasky return (-ERANGE); 8748d59ecb2SHans Petter Selasky 8758d59ecb2SHans Petter Selasky do { 8768d59ecb2SHans Petter Selasky rc = pci_enable_msix(dev, entries, nvec); 8778d59ecb2SHans Petter Selasky if (rc < 0) { 8788d59ecb2SHans Petter Selasky return (rc); 8798d59ecb2SHans Petter Selasky } else if (rc > 0) { 8808d59ecb2SHans Petter Selasky if (rc < minvec) 8818d59ecb2SHans Petter Selasky return (-ENOSPC); 8828d59ecb2SHans Petter Selasky nvec = rc; 8838d59ecb2SHans Petter Selasky } 8848d59ecb2SHans Petter Selasky } while (rc); 8858d59ecb2SHans Petter Selasky return (nvec); 8868d59ecb2SHans Petter Selasky } 8878d59ecb2SHans Petter Selasky 8884f109faaSHans Petter Selasky #define pci_enable_msi(pdev) \ 8894f109faaSHans Petter Selasky linux_pci_enable_msi(pdev) 8904f109faaSHans Petter Selasky 8914f109faaSHans Petter Selasky static inline int 8924f109faaSHans Petter Selasky pci_enable_msi(struct pci_dev *pdev) 8934f109faaSHans Petter Selasky { 8944f109faaSHans Petter Selasky struct resource_list_entry *rle; 8954f109faaSHans Petter Selasky int error; 8964f109faaSHans Petter Selasky int avail; 8974f109faaSHans Petter Selasky 8984f109faaSHans Petter Selasky avail = pci_msi_count(pdev->dev.bsddev); 8994f109faaSHans Petter Selasky if (avail < 1) 9004f109faaSHans Petter Selasky return -EINVAL; 9014f109faaSHans Petter Selasky 9024f109faaSHans Petter Selasky avail = 1; /* this function only enable one MSI IRQ */ 9034f109faaSHans Petter Selasky if ((error = -pci_alloc_msi(pdev->dev.bsddev, &avail)) != 0) 9044f109faaSHans Petter Selasky return error; 9054f109faaSHans Petter Selasky 90682098c8bSJessica Clarke rle = linux_pci_get_rle(pdev, SYS_RES_IRQ, 1, false); 9074f109faaSHans Petter Selasky pdev->dev.irq_start = rle->start; 9084f109faaSHans Petter Selasky pdev->dev.irq_end = rle->start + avail; 9094f109faaSHans Petter Selasky pdev->irq = rle->start; 9104f109faaSHans Petter Selasky pdev->msi_enabled = true; 9114f109faaSHans Petter Selasky return (0); 9124f109faaSHans Petter Selasky } 9134f109faaSHans Petter Selasky 914452d59e1SSlava Shwartsman static inline int 915452d59e1SSlava Shwartsman pci_channel_offline(struct pci_dev *pdev) 9168d59ecb2SHans Petter Selasky { 917452d59e1SSlava Shwartsman 918c5161386SHans Petter Selasky return (pci_read_config(pdev->dev.bsddev, PCIR_VENDOR, 2) == PCIV_INVALID); 9198d59ecb2SHans Petter Selasky } 9208d59ecb2SHans Petter Selasky 9218d59ecb2SHans Petter Selasky static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn) 9228d59ecb2SHans Petter Selasky { 9238d59ecb2SHans Petter Selasky return -ENODEV; 9248d59ecb2SHans Petter Selasky } 9251cdb2534SWarner Losh 9268d59ecb2SHans Petter Selasky static inline void pci_disable_sriov(struct pci_dev *dev) 9278d59ecb2SHans Petter Selasky { 9288d59ecb2SHans Petter Selasky } 9298d59ecb2SHans Petter Selasky 930d4a4960cSBjoern A. Zeeb static inline void * 931d4a4960cSBjoern A. Zeeb pci_iomap(struct pci_dev *pdev, int mmio_bar, int mmio_size) 932d4a4960cSBjoern A. Zeeb { 933d4a4960cSBjoern A. Zeeb struct resource *res; 934d4a4960cSBjoern A. Zeeb 935d4a4960cSBjoern A. Zeeb res = _lkpi_pci_iomap(pdev, mmio_bar, mmio_size); 936d4a4960cSBjoern A. Zeeb if (res == NULL) 937d4a4960cSBjoern A. Zeeb return (NULL); 938d4a4960cSBjoern A. Zeeb /* This is a FreeBSD extension so we can use bus_*(). */ 939d4a4960cSBjoern A. Zeeb if (pdev->want_iomap_res) 940d4a4960cSBjoern A. Zeeb return (res); 941d4a4960cSBjoern A. Zeeb return ((void *)rman_get_bushandle(res)); 9424c274849SEmmanuel Vadot } 9434c274849SEmmanuel Vadot 9444c274849SEmmanuel Vadot static inline void 945d4a4960cSBjoern A. Zeeb pci_iounmap(struct pci_dev *pdev, void *res) 9464c274849SEmmanuel Vadot { 9474c274849SEmmanuel Vadot struct pci_mmio_region *mmio, *p; 9484c274849SEmmanuel Vadot 949d4a4960cSBjoern A. Zeeb TAILQ_FOREACH_SAFE(mmio, &pdev->mmio, next, p) { 9504c274849SEmmanuel Vadot if (res != (void *)rman_get_bushandle(mmio->res)) 9514c274849SEmmanuel Vadot continue; 952d4a4960cSBjoern A. Zeeb bus_release_resource(pdev->dev.bsddev, 9534c274849SEmmanuel Vadot mmio->type, mmio->rid, mmio->res); 954d4a4960cSBjoern A. Zeeb TAILQ_REMOVE(&pdev->mmio, mmio, next); 9554c274849SEmmanuel Vadot free(mmio, M_DEVBUF); 9564c274849SEmmanuel Vadot return; 9574c274849SEmmanuel Vadot } 9584c274849SEmmanuel Vadot } 9594c274849SEmmanuel Vadot 960105a37caSEmmanuel Vadot static inline void 961105a37caSEmmanuel Vadot lkpi_pci_save_state(struct pci_dev *pdev) 962105a37caSEmmanuel Vadot { 963105a37caSEmmanuel Vadot 964105a37caSEmmanuel Vadot pci_save_state(pdev->dev.bsddev); 965105a37caSEmmanuel Vadot } 966105a37caSEmmanuel Vadot 967105a37caSEmmanuel Vadot static inline void 968105a37caSEmmanuel Vadot lkpi_pci_restore_state(struct pci_dev *pdev) 969105a37caSEmmanuel Vadot { 970105a37caSEmmanuel Vadot 971105a37caSEmmanuel Vadot pci_restore_state(pdev->dev.bsddev); 972105a37caSEmmanuel Vadot } 973105a37caSEmmanuel Vadot 974105a37caSEmmanuel Vadot #define pci_save_state(dev) lkpi_pci_save_state(dev) 975105a37caSEmmanuel Vadot #define pci_restore_state(dev) lkpi_pci_restore_state(dev) 976105a37caSEmmanuel Vadot 97786a1c5d1SJean-Sébastien Pédron static inline int 97886a1c5d1SJean-Sébastien Pédron pci_reset_function(struct pci_dev *pdev) 97986a1c5d1SJean-Sébastien Pédron { 98086a1c5d1SJean-Sébastien Pédron 98186a1c5d1SJean-Sébastien Pédron return (-ENOSYS); 98286a1c5d1SJean-Sébastien Pédron } 98386a1c5d1SJean-Sébastien Pédron 9848d59ecb2SHans Petter Selasky #define DEFINE_PCI_DEVICE_TABLE(_table) \ 9858d59ecb2SHans Petter Selasky const struct pci_device_id _table[] __devinitdata 9868d59ecb2SHans Petter Selasky 9878d59ecb2SHans Petter Selasky /* XXX This should not be necessary. */ 9888d59ecb2SHans Petter Selasky #define pcix_set_mmrbc(d, v) 0 9898d59ecb2SHans Petter Selasky #define pcix_get_max_mmrbc(d) 0 9903f322b22SMark Johnston #define pcie_set_readrq(d, v) pci_set_max_read_req((d)->dev.bsddev, (v)) 9918d59ecb2SHans Petter Selasky 9928d59ecb2SHans Petter Selasky #define PCI_DMA_BIDIRECTIONAL 0 9938d59ecb2SHans Petter Selasky #define PCI_DMA_TODEVICE 1 9948d59ecb2SHans Petter Selasky #define PCI_DMA_FROMDEVICE 2 9958d59ecb2SHans Petter Selasky #define PCI_DMA_NONE 3 9968d59ecb2SHans Petter Selasky 9978d59ecb2SHans Petter Selasky #define pci_pool dma_pool 9981724ded4SHans Petter Selasky #define pci_pool_destroy(...) dma_pool_destroy(__VA_ARGS__) 9991724ded4SHans Petter Selasky #define pci_pool_alloc(...) dma_pool_alloc(__VA_ARGS__) 10001724ded4SHans Petter Selasky #define pci_pool_free(...) dma_pool_free(__VA_ARGS__) 10018d59ecb2SHans Petter Selasky #define pci_pool_create(_name, _pdev, _size, _align, _alloc) \ 10028d59ecb2SHans Petter Selasky dma_pool_create(_name, &(_pdev)->dev, _size, _align, _alloc) 10038d59ecb2SHans Petter Selasky #define pci_free_consistent(_hwdev, _size, _vaddr, _dma_handle) \ 10048d59ecb2SHans Petter Selasky dma_free_coherent((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 10058d59ecb2SHans Petter Selasky _size, _vaddr, _dma_handle) 10068d59ecb2SHans Petter Selasky #define pci_map_sg(_hwdev, _sg, _nents, _dir) \ 10078d59ecb2SHans Petter Selasky dma_map_sg((_hwdev) == NULL ? NULL : &(_hwdev->dev), \ 10088d59ecb2SHans Petter Selasky _sg, _nents, (enum dma_data_direction)_dir) 10098d59ecb2SHans Petter Selasky #define pci_map_single(_hwdev, _ptr, _size, _dir) \ 10108d59ecb2SHans Petter Selasky dma_map_single((_hwdev) == NULL ? NULL : &(_hwdev->dev), \ 10118d59ecb2SHans Petter Selasky (_ptr), (_size), (enum dma_data_direction)_dir) 10128d59ecb2SHans Petter Selasky #define pci_unmap_single(_hwdev, _addr, _size, _dir) \ 10138d59ecb2SHans Petter Selasky dma_unmap_single((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 10148d59ecb2SHans Petter Selasky _addr, _size, (enum dma_data_direction)_dir) 10158d59ecb2SHans Petter Selasky #define pci_unmap_sg(_hwdev, _sg, _nents, _dir) \ 10168d59ecb2SHans Petter Selasky dma_unmap_sg((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 10178d59ecb2SHans Petter Selasky _sg, _nents, (enum dma_data_direction)_dir) 10188d59ecb2SHans Petter Selasky #define pci_map_page(_hwdev, _page, _offset, _size, _dir) \ 10198d59ecb2SHans Petter Selasky dma_map_page((_hwdev) == NULL ? NULL : &(_hwdev)->dev, _page,\ 10208d59ecb2SHans Petter Selasky _offset, _size, (enum dma_data_direction)_dir) 10218d59ecb2SHans Petter Selasky #define pci_unmap_page(_hwdev, _dma_address, _size, _dir) \ 10228d59ecb2SHans Petter Selasky dma_unmap_page((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 10238d59ecb2SHans Petter Selasky _dma_address, _size, (enum dma_data_direction)_dir) 10248d59ecb2SHans Petter Selasky #define pci_set_dma_mask(_pdev, mask) dma_set_mask(&(_pdev)->dev, (mask)) 10258d59ecb2SHans Petter Selasky #define pci_dma_mapping_error(_pdev, _dma_addr) \ 10268d59ecb2SHans Petter Selasky dma_mapping_error(&(_pdev)->dev, _dma_addr) 10278d59ecb2SHans Petter Selasky #define pci_set_consistent_dma_mask(_pdev, _mask) \ 10288d59ecb2SHans Petter Selasky dma_set_coherent_mask(&(_pdev)->dev, (_mask)) 10298d59ecb2SHans Petter Selasky #define DECLARE_PCI_UNMAP_ADDR(x) DEFINE_DMA_UNMAP_ADDR(x); 10308d59ecb2SHans Petter Selasky #define DECLARE_PCI_UNMAP_LEN(x) DEFINE_DMA_UNMAP_LEN(x); 10318d59ecb2SHans Petter Selasky #define pci_unmap_addr dma_unmap_addr 10328d59ecb2SHans Petter Selasky #define pci_unmap_addr_set dma_unmap_addr_set 10338d59ecb2SHans Petter Selasky #define pci_unmap_len dma_unmap_len 10348d59ecb2SHans Petter Selasky #define pci_unmap_len_set dma_unmap_len_set 10358d59ecb2SHans Petter Selasky 10368d59ecb2SHans Petter Selasky typedef unsigned int __bitwise pci_channel_state_t; 10378d59ecb2SHans Petter Selasky typedef unsigned int __bitwise pci_ers_result_t; 10388d59ecb2SHans Petter Selasky 10398d59ecb2SHans Petter Selasky enum pci_channel_state { 1040a65ef215SHans Petter Selasky pci_channel_io_normal = 1, 1041a65ef215SHans Petter Selasky pci_channel_io_frozen = 2, 1042a65ef215SHans Petter Selasky pci_channel_io_perm_failure = 3, 10438d59ecb2SHans Petter Selasky }; 10448d59ecb2SHans Petter Selasky 10458d59ecb2SHans Petter Selasky enum pci_ers_result { 1046a65ef215SHans Petter Selasky PCI_ERS_RESULT_NONE = 1, 1047a65ef215SHans Petter Selasky PCI_ERS_RESULT_CAN_RECOVER = 2, 1048a65ef215SHans Petter Selasky PCI_ERS_RESULT_NEED_RESET = 3, 1049a65ef215SHans Petter Selasky PCI_ERS_RESULT_DISCONNECT = 4, 1050a65ef215SHans Petter Selasky PCI_ERS_RESULT_RECOVERED = 5, 10518d59ecb2SHans Petter Selasky }; 10528d59ecb2SHans Petter Selasky 10538d59ecb2SHans Petter Selasky /* PCI bus error event callbacks */ 10548d59ecb2SHans Petter Selasky struct pci_error_handlers { 10558d59ecb2SHans Petter Selasky pci_ers_result_t (*error_detected)(struct pci_dev *dev, 10568d59ecb2SHans Petter Selasky enum pci_channel_state error); 10578d59ecb2SHans Petter Selasky pci_ers_result_t (*mmio_enabled)(struct pci_dev *dev); 10588d59ecb2SHans Petter Selasky pci_ers_result_t (*link_reset)(struct pci_dev *dev); 10598d59ecb2SHans Petter Selasky pci_ers_result_t (*slot_reset)(struct pci_dev *dev); 10608d59ecb2SHans Petter Selasky void (*resume)(struct pci_dev *dev); 10618d59ecb2SHans Petter Selasky }; 10628d59ecb2SHans Petter Selasky 1063a65ef215SHans Petter Selasky /* FreeBSD does not support SRIOV - yet */ 10648d59ecb2SHans Petter Selasky static inline struct pci_dev *pci_physfn(struct pci_dev *dev) 10658d59ecb2SHans Petter Selasky { 10668d59ecb2SHans Petter Selasky return dev; 10678d59ecb2SHans Petter Selasky } 10688d59ecb2SHans Petter Selasky 10698d59ecb2SHans Petter Selasky static inline bool pci_is_pcie(struct pci_dev *dev) 10708d59ecb2SHans Petter Selasky { 10718d59ecb2SHans Petter Selasky return !!pci_pcie_cap(dev); 10728d59ecb2SHans Petter Selasky } 10738d59ecb2SHans Petter Selasky 10748d59ecb2SHans Petter Selasky static inline u16 pcie_flags_reg(struct pci_dev *dev) 10758d59ecb2SHans Petter Selasky { 10768d59ecb2SHans Petter Selasky int pos; 10778d59ecb2SHans Petter Selasky u16 reg16; 10788d59ecb2SHans Petter Selasky 10798d59ecb2SHans Petter Selasky pos = pci_find_capability(dev, PCI_CAP_ID_EXP); 10808d59ecb2SHans Petter Selasky if (!pos) 10818d59ecb2SHans Petter Selasky return 0; 10828d59ecb2SHans Petter Selasky 10838d59ecb2SHans Petter Selasky pci_read_config_word(dev, pos + PCI_EXP_FLAGS, ®16); 10848d59ecb2SHans Petter Selasky 10858d59ecb2SHans Petter Selasky return reg16; 10868d59ecb2SHans Petter Selasky } 10878d59ecb2SHans Petter Selasky 10888d59ecb2SHans Petter Selasky static inline int pci_pcie_type(struct pci_dev *dev) 10898d59ecb2SHans Petter Selasky { 10908d59ecb2SHans Petter Selasky return (pcie_flags_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4; 10918d59ecb2SHans Petter Selasky } 10928d59ecb2SHans Petter Selasky 10938d59ecb2SHans Petter Selasky static inline int pcie_cap_version(struct pci_dev *dev) 10948d59ecb2SHans Petter Selasky { 10958d59ecb2SHans Petter Selasky return pcie_flags_reg(dev) & PCI_EXP_FLAGS_VERS; 10968d59ecb2SHans Petter Selasky } 10978d59ecb2SHans Petter Selasky 10988d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_lnkctl(struct pci_dev *dev) 10998d59ecb2SHans Petter Selasky { 11008d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 11018d59ecb2SHans Petter Selasky 11028d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1 || 11038d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ROOT_PORT || 11048d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ENDPOINT || 11058d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_LEG_END; 11068d59ecb2SHans Petter Selasky } 11078d59ecb2SHans Petter Selasky 11088d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_devctl(const struct pci_dev *dev) 11098d59ecb2SHans Petter Selasky { 11108d59ecb2SHans Petter Selasky return true; 11118d59ecb2SHans Petter Selasky } 11128d59ecb2SHans Petter Selasky 11138d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_sltctl(struct pci_dev *dev) 11148d59ecb2SHans Petter Selasky { 11158d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 11168d59ecb2SHans Petter Selasky 111783630517SEd Maste return pcie_cap_version(dev) > 1 || type == PCI_EXP_TYPE_ROOT_PORT || 11188d59ecb2SHans Petter Selasky (type == PCI_EXP_TYPE_DOWNSTREAM && 11198d59ecb2SHans Petter Selasky pcie_flags_reg(dev) & PCI_EXP_FLAGS_SLOT); 11208d59ecb2SHans Petter Selasky } 11218d59ecb2SHans Petter Selasky 11228d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_rtctl(struct pci_dev *dev) 11238d59ecb2SHans Petter Selasky { 11248d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 11258d59ecb2SHans Petter Selasky 112683630517SEd Maste return pcie_cap_version(dev) > 1 || type == PCI_EXP_TYPE_ROOT_PORT || 11278d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_RC_EC; 11288d59ecb2SHans Petter Selasky } 11298d59ecb2SHans Petter Selasky 11308d59ecb2SHans Petter Selasky static bool pcie_capability_reg_implemented(struct pci_dev *dev, int pos) 11318d59ecb2SHans Petter Selasky { 11328d59ecb2SHans Petter Selasky if (!pci_is_pcie(dev)) 11338d59ecb2SHans Petter Selasky return false; 11348d59ecb2SHans Petter Selasky 11358d59ecb2SHans Petter Selasky switch (pos) { 11368d59ecb2SHans Petter Selasky case PCI_EXP_FLAGS_TYPE: 11378d59ecb2SHans Petter Selasky return true; 11388d59ecb2SHans Petter Selasky case PCI_EXP_DEVCAP: 11398d59ecb2SHans Petter Selasky case PCI_EXP_DEVCTL: 11408d59ecb2SHans Petter Selasky case PCI_EXP_DEVSTA: 11418d59ecb2SHans Petter Selasky return pcie_cap_has_devctl(dev); 11428d59ecb2SHans Petter Selasky case PCI_EXP_LNKCAP: 11438d59ecb2SHans Petter Selasky case PCI_EXP_LNKCTL: 11448d59ecb2SHans Petter Selasky case PCI_EXP_LNKSTA: 11458d59ecb2SHans Petter Selasky return pcie_cap_has_lnkctl(dev); 11468d59ecb2SHans Petter Selasky case PCI_EXP_SLTCAP: 11478d59ecb2SHans Petter Selasky case PCI_EXP_SLTCTL: 11488d59ecb2SHans Petter Selasky case PCI_EXP_SLTSTA: 11498d59ecb2SHans Petter Selasky return pcie_cap_has_sltctl(dev); 11508d59ecb2SHans Petter Selasky case PCI_EXP_RTCTL: 11518d59ecb2SHans Petter Selasky case PCI_EXP_RTCAP: 11528d59ecb2SHans Petter Selasky case PCI_EXP_RTSTA: 11538d59ecb2SHans Petter Selasky return pcie_cap_has_rtctl(dev); 11548d59ecb2SHans Petter Selasky case PCI_EXP_DEVCAP2: 11558d59ecb2SHans Petter Selasky case PCI_EXP_DEVCTL2: 11568d59ecb2SHans Petter Selasky case PCI_EXP_LNKCAP2: 11578d59ecb2SHans Petter Selasky case PCI_EXP_LNKCTL2: 11588d59ecb2SHans Petter Selasky case PCI_EXP_LNKSTA2: 11598d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1; 11608d59ecb2SHans Petter Selasky default: 11618d59ecb2SHans Petter Selasky return false; 11628d59ecb2SHans Petter Selasky } 11638d59ecb2SHans Petter Selasky } 11648d59ecb2SHans Petter Selasky 116512af734dSHans Petter Selasky static inline int 116612af734dSHans Petter Selasky pcie_capability_read_dword(struct pci_dev *dev, int pos, u32 *dst) 1167a65ef215SHans Petter Selasky { 1168a65ef215SHans Petter Selasky if (pos & 3) 1169a65ef215SHans Petter Selasky return -EINVAL; 1170a65ef215SHans Petter Selasky 1171a65ef215SHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 1172a65ef215SHans Petter Selasky return -EINVAL; 1173a65ef215SHans Petter Selasky 1174a65ef215SHans Petter Selasky return pci_read_config_dword(dev, pci_pcie_cap(dev) + pos, dst); 1175a65ef215SHans Petter Selasky } 11768d59ecb2SHans Petter Selasky 117712af734dSHans Petter Selasky static inline int 117812af734dSHans Petter Selasky pcie_capability_read_word(struct pci_dev *dev, int pos, u16 *dst) 117912af734dSHans Petter Selasky { 118012af734dSHans Petter Selasky if (pos & 3) 118112af734dSHans Petter Selasky return -EINVAL; 118212af734dSHans Petter Selasky 118312af734dSHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 118412af734dSHans Petter Selasky return -EINVAL; 118512af734dSHans Petter Selasky 118612af734dSHans Petter Selasky return pci_read_config_word(dev, pci_pcie_cap(dev) + pos, dst); 118712af734dSHans Petter Selasky } 118812af734dSHans Petter Selasky 118912af734dSHans Petter Selasky static inline int 119012af734dSHans Petter Selasky pcie_capability_write_word(struct pci_dev *dev, int pos, u16 val) 11918d59ecb2SHans Petter Selasky { 11928d59ecb2SHans Petter Selasky if (pos & 1) 11938d59ecb2SHans Petter Selasky return -EINVAL; 11948d59ecb2SHans Petter Selasky 11958d59ecb2SHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 11968d59ecb2SHans Petter Selasky return 0; 11978d59ecb2SHans Petter Selasky 11988d59ecb2SHans Petter Selasky return pci_write_config_word(dev, pci_pcie_cap(dev) + pos, val); 11998d59ecb2SHans Petter Selasky } 12008d59ecb2SHans Petter Selasky 120185eb99f9SBjoern A. Zeeb static inline int 120285eb99f9SBjoern A. Zeeb pcie_capability_set_word(struct pci_dev *dev, int pos, uint16_t val) 120385eb99f9SBjoern A. Zeeb { 120485eb99f9SBjoern A. Zeeb int error; 120585eb99f9SBjoern A. Zeeb uint16_t v; 120685eb99f9SBjoern A. Zeeb 120785eb99f9SBjoern A. Zeeb error = pcie_capability_read_word(dev, pos, &v); 120885eb99f9SBjoern A. Zeeb if (error != 0) 120985eb99f9SBjoern A. Zeeb return (error); 121085eb99f9SBjoern A. Zeeb 121185eb99f9SBjoern A. Zeeb v |= val; 121285eb99f9SBjoern A. Zeeb 121385eb99f9SBjoern A. Zeeb error = pcie_capability_write_word(dev, pos, v); 121485eb99f9SBjoern A. Zeeb return (error); 121585eb99f9SBjoern A. Zeeb } 121685eb99f9SBjoern A. Zeeb 1217c41d8354SBjoern A. Zeeb static inline int 1218c41d8354SBjoern A. Zeeb pcie_capability_clear_word(struct pci_dev *dev, int pos, uint16_t val) 1219c41d8354SBjoern A. Zeeb { 1220c41d8354SBjoern A. Zeeb int error; 1221c41d8354SBjoern A. Zeeb uint16_t v; 1222c41d8354SBjoern A. Zeeb 1223c41d8354SBjoern A. Zeeb error = pcie_capability_read_word(dev, pos, &v); 1224c41d8354SBjoern A. Zeeb if (error != 0) 1225c41d8354SBjoern A. Zeeb return (error); 1226c41d8354SBjoern A. Zeeb 1227c41d8354SBjoern A. Zeeb v &= ~val; 1228c41d8354SBjoern A. Zeeb 1229c41d8354SBjoern A. Zeeb error = pcie_capability_write_word(dev, pos, v); 1230c41d8354SBjoern A. Zeeb return (error); 1231c41d8354SBjoern A. Zeeb } 1232c41d8354SBjoern A. Zeeb 1233a65ef215SHans Petter Selasky static inline int pcie_get_minimum_link(struct pci_dev *dev, 1234a65ef215SHans Petter Selasky enum pci_bus_speed *speed, enum pcie_link_width *width) 1235a65ef215SHans Petter Selasky { 1236a65ef215SHans Petter Selasky *speed = PCI_SPEED_UNKNOWN; 1237a65ef215SHans Petter Selasky *width = PCIE_LNK_WIDTH_UNKNOWN; 1238a65ef215SHans Petter Selasky return (0); 1239a65ef215SHans Petter Selasky } 1240a65ef215SHans Petter Selasky 1241a65ef215SHans Petter Selasky static inline int 1242a65ef215SHans Petter Selasky pci_num_vf(struct pci_dev *dev) 1243a65ef215SHans Petter Selasky { 1244a65ef215SHans Petter Selasky return (0); 1245a65ef215SHans Petter Selasky } 1246a65ef215SHans Petter Selasky 1247ab62989aSHans Petter Selasky static inline enum pci_bus_speed 1248ab62989aSHans Petter Selasky pcie_get_speed_cap(struct pci_dev *dev) 1249ab62989aSHans Petter Selasky { 1250ab62989aSHans Petter Selasky device_t root; 1251ab62989aSHans Petter Selasky uint32_t lnkcap, lnkcap2; 1252ab62989aSHans Petter Selasky int error, pos; 1253ab62989aSHans Petter Selasky 1254ab62989aSHans Petter Selasky root = device_get_parent(dev->dev.bsddev); 1255ab62989aSHans Petter Selasky if (root == NULL) 1256ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1257ab62989aSHans Petter Selasky root = device_get_parent(root); 1258ab62989aSHans Petter Selasky if (root == NULL) 1259ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1260ab62989aSHans Petter Selasky root = device_get_parent(root); 1261ab62989aSHans Petter Selasky if (root == NULL) 1262ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1263ab62989aSHans Petter Selasky 1264ab62989aSHans Petter Selasky if (pci_get_vendor(root) == PCI_VENDOR_ID_VIA || 1265ab62989aSHans Petter Selasky pci_get_vendor(root) == PCI_VENDOR_ID_SERVERWORKS) 1266ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1267ab62989aSHans Petter Selasky 1268ab62989aSHans Petter Selasky if ((error = pci_find_cap(root, PCIY_EXPRESS, &pos)) != 0) 1269ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1270ab62989aSHans Petter Selasky 1271ab62989aSHans Petter Selasky lnkcap2 = pci_read_config(root, pos + PCIER_LINK_CAP2, 4); 1272ab62989aSHans Petter Selasky 1273ab62989aSHans Petter Selasky if (lnkcap2) { /* PCIe r3.0-compliant */ 1274ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_2_5GB) 1275ab62989aSHans Petter Selasky return (PCIE_SPEED_2_5GT); 1276ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_5_0GB) 1277ab62989aSHans Petter Selasky return (PCIE_SPEED_5_0GT); 1278ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB) 1279ab62989aSHans Petter Selasky return (PCIE_SPEED_8_0GT); 1280ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_16_0GB) 1281ab62989aSHans Petter Selasky return (PCIE_SPEED_16_0GT); 12820adc02a9SJean-Sébastien Pédron if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_32_0GB) 12830adc02a9SJean-Sébastien Pédron return (PCIE_SPEED_32_0GT); 12840adc02a9SJean-Sébastien Pédron if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_64_0GB) 12850adc02a9SJean-Sébastien Pédron return (PCIE_SPEED_64_0GT); 1286ab62989aSHans Petter Selasky } else { /* pre-r3.0 */ 1287ab62989aSHans Petter Selasky lnkcap = pci_read_config(root, pos + PCIER_LINK_CAP, 4); 1288ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_2_5GB) 1289ab62989aSHans Petter Selasky return (PCIE_SPEED_2_5GT); 1290ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_5_0GB) 1291ab62989aSHans Petter Selasky return (PCIE_SPEED_5_0GT); 1292ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_8_0GB) 1293ab62989aSHans Petter Selasky return (PCIE_SPEED_8_0GT); 1294ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_16_0GB) 1295ab62989aSHans Petter Selasky return (PCIE_SPEED_16_0GT); 12960adc02a9SJean-Sébastien Pédron if (lnkcap & PCI_EXP_LNKCAP_SLS_32_0GB) 12970adc02a9SJean-Sébastien Pédron return (PCIE_SPEED_32_0GT); 12980adc02a9SJean-Sébastien Pédron if (lnkcap & PCI_EXP_LNKCAP_SLS_64_0GB) 12990adc02a9SJean-Sébastien Pédron return (PCIE_SPEED_64_0GT); 1300ab62989aSHans Petter Selasky } 1301ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1302ab62989aSHans Petter Selasky } 1303ab62989aSHans Petter Selasky 1304ab62989aSHans Petter Selasky static inline enum pcie_link_width 1305ab62989aSHans Petter Selasky pcie_get_width_cap(struct pci_dev *dev) 1306ab62989aSHans Petter Selasky { 1307ab62989aSHans Petter Selasky uint32_t lnkcap; 1308ab62989aSHans Petter Selasky 1309ab62989aSHans Petter Selasky pcie_capability_read_dword(dev, PCI_EXP_LNKCAP, &lnkcap); 1310ab62989aSHans Petter Selasky if (lnkcap) 1311ab62989aSHans Petter Selasky return ((lnkcap & PCI_EXP_LNKCAP_MLW) >> 4); 1312ab62989aSHans Petter Selasky 1313ab62989aSHans Petter Selasky return (PCIE_LNK_WIDTH_UNKNOWN); 1314ab62989aSHans Petter Selasky } 1315ab62989aSHans Petter Selasky 1316b4edb17cSHans Petter Selasky static inline int 1317b4edb17cSHans Petter Selasky pcie_get_mps(struct pci_dev *dev) 1318b4edb17cSHans Petter Selasky { 1319b4edb17cSHans Petter Selasky return (pci_get_max_payload(dev->dev.bsddev)); 1320b4edb17cSHans Petter Selasky } 1321b4edb17cSHans Petter Selasky 1322b4edb17cSHans Petter Selasky static inline uint32_t 1323b4edb17cSHans Petter Selasky PCIE_SPEED2MBS_ENC(enum pci_bus_speed spd) 1324b4edb17cSHans Petter Selasky { 1325b4edb17cSHans Petter Selasky 1326b4edb17cSHans Petter Selasky switch(spd) { 13270adc02a9SJean-Sébastien Pédron case PCIE_SPEED_64_0GT: 13280adc02a9SJean-Sébastien Pédron return (64000 * 128 / 130); 13290adc02a9SJean-Sébastien Pédron case PCIE_SPEED_32_0GT: 13300adc02a9SJean-Sébastien Pédron return (32000 * 128 / 130); 1331b4edb17cSHans Petter Selasky case PCIE_SPEED_16_0GT: 1332b4edb17cSHans Petter Selasky return (16000 * 128 / 130); 1333b4edb17cSHans Petter Selasky case PCIE_SPEED_8_0GT: 1334b4edb17cSHans Petter Selasky return (8000 * 128 / 130); 1335b4edb17cSHans Petter Selasky case PCIE_SPEED_5_0GT: 1336b4edb17cSHans Petter Selasky return (5000 * 8 / 10); 1337b4edb17cSHans Petter Selasky case PCIE_SPEED_2_5GT: 1338b4edb17cSHans Petter Selasky return (2500 * 8 / 10); 1339b4edb17cSHans Petter Selasky default: 1340b4edb17cSHans Petter Selasky return (0); 1341b4edb17cSHans Petter Selasky } 1342b4edb17cSHans Petter Selasky } 1343b4edb17cSHans Petter Selasky 1344b4edb17cSHans Petter Selasky static inline uint32_t 1345b4edb17cSHans Petter Selasky pcie_bandwidth_available(struct pci_dev *pdev, 1346b4edb17cSHans Petter Selasky struct pci_dev **limiting, 1347b4edb17cSHans Petter Selasky enum pci_bus_speed *speed, 1348b4edb17cSHans Petter Selasky enum pcie_link_width *width) 1349b4edb17cSHans Petter Selasky { 1350b4edb17cSHans Petter Selasky enum pci_bus_speed nspeed = pcie_get_speed_cap(pdev); 1351b4edb17cSHans Petter Selasky enum pcie_link_width nwidth = pcie_get_width_cap(pdev); 1352b4edb17cSHans Petter Selasky 1353b4edb17cSHans Petter Selasky if (speed) 1354b4edb17cSHans Petter Selasky *speed = nspeed; 1355b4edb17cSHans Petter Selasky if (width) 1356b4edb17cSHans Petter Selasky *width = nwidth; 1357b4edb17cSHans Petter Selasky 1358b4edb17cSHans Petter Selasky return (nwidth * PCIE_SPEED2MBS_ENC(nspeed)); 1359b4edb17cSHans Petter Selasky } 1360b4edb17cSHans Petter Selasky 13618e106c52SBjoern A. Zeeb static inline struct pci_dev * 13628e106c52SBjoern A. Zeeb pcie_find_root_port(struct pci_dev *pdev) 13638e106c52SBjoern A. Zeeb { 13648e106c52SBjoern A. Zeeb device_t root; 13658e106c52SBjoern A. Zeeb 13668e106c52SBjoern A. Zeeb if (pdev->root != NULL) 13678e106c52SBjoern A. Zeeb return (pdev->root); 13688e106c52SBjoern A. Zeeb 13698e106c52SBjoern A. Zeeb root = pci_find_pcie_root_port(pdev->dev.bsddev); 13708e106c52SBjoern A. Zeeb if (root == NULL) 13718e106c52SBjoern A. Zeeb return (NULL); 13728e106c52SBjoern A. Zeeb 13738e106c52SBjoern A. Zeeb pdev->root = lkpinew_pci_dev(root); 13748e106c52SBjoern A. Zeeb return (pdev->root); 13758e106c52SBjoern A. Zeeb } 13768e106c52SBjoern A. Zeeb 13778e106c52SBjoern A. Zeeb /* This is needed when people rip out the device "HotPlug". */ 13788e106c52SBjoern A. Zeeb static inline void 13798e106c52SBjoern A. Zeeb pci_lock_rescan_remove(void) 13808e106c52SBjoern A. Zeeb { 13818e106c52SBjoern A. Zeeb } 13828e106c52SBjoern A. Zeeb 13838e106c52SBjoern A. Zeeb static inline void 13848e106c52SBjoern A. Zeeb pci_unlock_rescan_remove(void) 13858e106c52SBjoern A. Zeeb { 13868e106c52SBjoern A. Zeeb } 13878e106c52SBjoern A. Zeeb 13888e106c52SBjoern A. Zeeb static __inline void 13898e106c52SBjoern A. Zeeb pci_stop_and_remove_bus_device(struct pci_dev *pdev) 13908e106c52SBjoern A. Zeeb { 13918e106c52SBjoern A. Zeeb } 13928e106c52SBjoern A. Zeeb 1393253dbe74SHans Petter Selasky /* 1394253dbe74SHans Petter Selasky * The following functions can be used to attach/detach the LinuxKPI's 1395253dbe74SHans Petter Selasky * PCI device runtime. The pci_driver and pci_device_id pointer is 1396253dbe74SHans Petter Selasky * allowed to be NULL. Other pointers must be all valid. 1397253dbe74SHans Petter Selasky * The pci_dev structure should be zero-initialized before passed 1398253dbe74SHans Petter Selasky * to the linux_pci_attach_device function. 1399253dbe74SHans Petter Selasky */ 1400253dbe74SHans Petter Selasky extern int linux_pci_attach_device(device_t, struct pci_driver *, 1401253dbe74SHans Petter Selasky const struct pci_device_id *, struct pci_dev *); 1402253dbe74SHans Petter Selasky extern int linux_pci_detach_device(struct pci_dev *); 1403253dbe74SHans Petter Selasky 14045e30a739SEmmanuel Vadot static inline int 14055e30a739SEmmanuel Vadot pci_dev_present(const struct pci_device_id *cur) 14065e30a739SEmmanuel Vadot { 14075e30a739SEmmanuel Vadot while (cur != NULL && (cur->vendor || cur->device)) { 14085e30a739SEmmanuel Vadot if (pci_find_device(cur->vendor, cur->device) != NULL) { 14095e30a739SEmmanuel Vadot return (1); 14105e30a739SEmmanuel Vadot } 14115e30a739SEmmanuel Vadot cur++; 14125e30a739SEmmanuel Vadot } 14135e30a739SEmmanuel Vadot return (0); 14145e30a739SEmmanuel Vadot } 14155e30a739SEmmanuel Vadot 1416105a37caSEmmanuel Vadot struct pci_dev *lkpi_pci_get_domain_bus_and_slot(int domain, 1417105a37caSEmmanuel Vadot unsigned int bus, unsigned int devfn); 1418105a37caSEmmanuel Vadot #define pci_get_domain_bus_and_slot(domain, bus, devfn) \ 1419105a37caSEmmanuel Vadot lkpi_pci_get_domain_bus_and_slot(domain, bus, devfn) 1420105a37caSEmmanuel Vadot 1421105a37caSEmmanuel Vadot static inline int 1422105a37caSEmmanuel Vadot pci_domain_nr(struct pci_bus *pbus) 1423105a37caSEmmanuel Vadot { 1424105a37caSEmmanuel Vadot 14251fac2cb4SBjoern A. Zeeb return (pbus->domain); 1426105a37caSEmmanuel Vadot } 1427105a37caSEmmanuel Vadot 1428105a37caSEmmanuel Vadot static inline int 1429105a37caSEmmanuel Vadot pci_bus_read_config(struct pci_bus *bus, unsigned int devfn, 1430105a37caSEmmanuel Vadot int pos, uint32_t *val, int len) 1431105a37caSEmmanuel Vadot { 1432105a37caSEmmanuel Vadot 1433105a37caSEmmanuel Vadot *val = pci_read_config(bus->self->dev.bsddev, pos, len); 1434105a37caSEmmanuel Vadot return (0); 1435105a37caSEmmanuel Vadot } 1436105a37caSEmmanuel Vadot 1437105a37caSEmmanuel Vadot static inline int 1438105a37caSEmmanuel Vadot pci_bus_read_config_word(struct pci_bus *bus, unsigned int devfn, int pos, u16 *val) 1439105a37caSEmmanuel Vadot { 1440105a37caSEmmanuel Vadot uint32_t tmp; 1441105a37caSEmmanuel Vadot int ret; 1442105a37caSEmmanuel Vadot 1443105a37caSEmmanuel Vadot ret = pci_bus_read_config(bus, devfn, pos, &tmp, 2); 1444105a37caSEmmanuel Vadot *val = (u16)tmp; 1445105a37caSEmmanuel Vadot return (ret); 1446105a37caSEmmanuel Vadot } 1447105a37caSEmmanuel Vadot 1448105a37caSEmmanuel Vadot static inline int 1449105a37caSEmmanuel Vadot pci_bus_read_config_byte(struct pci_bus *bus, unsigned int devfn, int pos, u8 *val) 1450105a37caSEmmanuel Vadot { 1451105a37caSEmmanuel Vadot uint32_t tmp; 1452105a37caSEmmanuel Vadot int ret; 1453105a37caSEmmanuel Vadot 1454105a37caSEmmanuel Vadot ret = pci_bus_read_config(bus, devfn, pos, &tmp, 1); 1455105a37caSEmmanuel Vadot *val = (u8)tmp; 1456105a37caSEmmanuel Vadot return (ret); 1457105a37caSEmmanuel Vadot } 1458105a37caSEmmanuel Vadot 1459105a37caSEmmanuel Vadot static inline int 1460105a37caSEmmanuel Vadot pci_bus_write_config(struct pci_bus *bus, unsigned int devfn, int pos, 1461105a37caSEmmanuel Vadot uint32_t val, int size) 1462105a37caSEmmanuel Vadot { 1463105a37caSEmmanuel Vadot 1464105a37caSEmmanuel Vadot pci_write_config(bus->self->dev.bsddev, pos, val, size); 1465105a37caSEmmanuel Vadot return (0); 1466105a37caSEmmanuel Vadot } 1467105a37caSEmmanuel Vadot 1468105a37caSEmmanuel Vadot static inline int 1469105a37caSEmmanuel Vadot pci_bus_write_config_byte(struct pci_bus *bus, unsigned int devfn, int pos, 1470105a37caSEmmanuel Vadot uint8_t val) 1471105a37caSEmmanuel Vadot { 1472105a37caSEmmanuel Vadot return (pci_bus_write_config(bus, devfn, pos, val, 1)); 1473105a37caSEmmanuel Vadot } 1474105a37caSEmmanuel Vadot 1475105a37caSEmmanuel Vadot static inline int 1476105a37caSEmmanuel Vadot pci_bus_write_config_word(struct pci_bus *bus, unsigned int devfn, int pos, 1477105a37caSEmmanuel Vadot uint16_t val) 1478105a37caSEmmanuel Vadot { 1479105a37caSEmmanuel Vadot return (pci_bus_write_config(bus, devfn, pos, val, 2)); 1480105a37caSEmmanuel Vadot } 1481105a37caSEmmanuel Vadot 1482105a37caSEmmanuel Vadot struct pci_dev *lkpi_pci_get_class(unsigned int class, struct pci_dev *from); 1483105a37caSEmmanuel Vadot #define pci_get_class(class, from) lkpi_pci_get_class(class, from) 1484105a37caSEmmanuel Vadot 1485d4a4960cSBjoern A. Zeeb /* -------------------------------------------------------------------------- */ 1486d4a4960cSBjoern A. Zeeb 1487d4a4960cSBjoern A. Zeeb static inline int 1488d4a4960cSBjoern A. Zeeb pcim_enable_device(struct pci_dev *pdev) 1489d4a4960cSBjoern A. Zeeb { 1490d4a4960cSBjoern A. Zeeb struct pci_devres *dr; 1491d4a4960cSBjoern A. Zeeb int error; 1492d4a4960cSBjoern A. Zeeb 1493d4a4960cSBjoern A. Zeeb /* Here we cannot run through the pdev->managed check. */ 1494d4a4960cSBjoern A. Zeeb dr = lkpi_pci_devres_get_alloc(pdev); 1495d4a4960cSBjoern A. Zeeb if (dr == NULL) 1496d4a4960cSBjoern A. Zeeb return (-ENOMEM); 1497d4a4960cSBjoern A. Zeeb 1498d4a4960cSBjoern A. Zeeb /* If resources were enabled before do not do it again. */ 1499d4a4960cSBjoern A. Zeeb if (dr->enable_io) 1500d4a4960cSBjoern A. Zeeb return (0); 1501d4a4960cSBjoern A. Zeeb 1502d4a4960cSBjoern A. Zeeb error = pci_enable_device(pdev); 1503d4a4960cSBjoern A. Zeeb if (error == 0) 1504d4a4960cSBjoern A. Zeeb dr->enable_io = true; 1505d4a4960cSBjoern A. Zeeb 1506d4a4960cSBjoern A. Zeeb /* This device is not managed. */ 1507d4a4960cSBjoern A. Zeeb pdev->managed = true; 1508d4a4960cSBjoern A. Zeeb 1509d4a4960cSBjoern A. Zeeb return (error); 1510d4a4960cSBjoern A. Zeeb } 1511d4a4960cSBjoern A. Zeeb 1512d4a4960cSBjoern A. Zeeb static inline void __iomem ** 1513d4a4960cSBjoern A. Zeeb pcim_iomap_table(struct pci_dev *pdev) 1514d4a4960cSBjoern A. Zeeb { 1515d4a4960cSBjoern A. Zeeb struct pcim_iomap_devres *dr; 1516d4a4960cSBjoern A. Zeeb 1517d4a4960cSBjoern A. Zeeb dr = lkpi_pcim_iomap_devres_find(pdev); 1518d4a4960cSBjoern A. Zeeb if (dr == NULL) 1519d4a4960cSBjoern A. Zeeb return (NULL); 1520d4a4960cSBjoern A. Zeeb 1521d4a4960cSBjoern A. Zeeb /* 1522d4a4960cSBjoern A. Zeeb * If the driver has manually set a flag to be able to request the 1523d4a4960cSBjoern A. Zeeb * resource to use bus_read/write_<n>, return the shadow table. 1524d4a4960cSBjoern A. Zeeb */ 1525d4a4960cSBjoern A. Zeeb if (pdev->want_iomap_res) 1526d4a4960cSBjoern A. Zeeb return ((void **)dr->res_table); 1527d4a4960cSBjoern A. Zeeb 1528d4a4960cSBjoern A. Zeeb /* This is the Linux default. */ 1529d4a4960cSBjoern A. Zeeb return (dr->mmio_table); 1530d4a4960cSBjoern A. Zeeb } 1531d4a4960cSBjoern A. Zeeb 1532d4a4960cSBjoern A. Zeeb static inline int 153330048f61SBjoern A. Zeeb pcim_iomap_regions(struct pci_dev *pdev, uint32_t mask, const char *name) 1534d4a4960cSBjoern A. Zeeb { 1535d4a4960cSBjoern A. Zeeb struct pcim_iomap_devres *dr; 1536d4a4960cSBjoern A. Zeeb void *res; 153730048f61SBjoern A. Zeeb uint32_t mappings; 153830048f61SBjoern A. Zeeb int bar; 1539d4a4960cSBjoern A. Zeeb 1540d4a4960cSBjoern A. Zeeb dr = lkpi_pcim_iomap_devres_find(pdev); 1541d4a4960cSBjoern A. Zeeb if (dr == NULL) 1542d4a4960cSBjoern A. Zeeb return (-ENOMEM); 1543d4a4960cSBjoern A. Zeeb 1544d4a4960cSBjoern A. Zeeb /* Now iomap all the requested (by "mask") ones. */ 1545d4a4960cSBjoern A. Zeeb for (bar = mappings = 0; mappings != mask; bar++) { 1546d4a4960cSBjoern A. Zeeb if ((mask & (1 << bar)) == 0) 1547d4a4960cSBjoern A. Zeeb continue; 1548d4a4960cSBjoern A. Zeeb 1549d4a4960cSBjoern A. Zeeb /* Request double is not allowed. */ 1550d4a4960cSBjoern A. Zeeb if (dr->mmio_table[bar] != NULL) { 1551d4a4960cSBjoern A. Zeeb device_printf(pdev->dev.bsddev, "%s: bar %d %p\n", 1552d4a4960cSBjoern A. Zeeb __func__, bar, dr->mmio_table[bar]); 1553d4a4960cSBjoern A. Zeeb goto err; 1554d4a4960cSBjoern A. Zeeb } 1555d4a4960cSBjoern A. Zeeb 1556d4a4960cSBjoern A. Zeeb res = _lkpi_pci_iomap(pdev, bar, 0); 1557d4a4960cSBjoern A. Zeeb if (res == NULL) 1558d4a4960cSBjoern A. Zeeb goto err; 1559d4a4960cSBjoern A. Zeeb dr->mmio_table[bar] = (void *)rman_get_bushandle(res); 1560d4a4960cSBjoern A. Zeeb dr->res_table[bar] = res; 1561d4a4960cSBjoern A. Zeeb 1562d4a4960cSBjoern A. Zeeb mappings |= (1 << bar); 1563d4a4960cSBjoern A. Zeeb } 1564d4a4960cSBjoern A. Zeeb 1565d4a4960cSBjoern A. Zeeb return (0); 1566d4a4960cSBjoern A. Zeeb err: 1567d4a4960cSBjoern A. Zeeb for (bar = PCIR_MAX_BAR_0; bar >= 0; bar--) { 1568d4a4960cSBjoern A. Zeeb if ((mappings & (1 << bar)) != 0) { 1569d4a4960cSBjoern A. Zeeb res = dr->mmio_table[bar]; 1570d4a4960cSBjoern A. Zeeb if (res == NULL) 1571d4a4960cSBjoern A. Zeeb continue; 1572d4a4960cSBjoern A. Zeeb pci_iounmap(pdev, res); 1573d4a4960cSBjoern A. Zeeb } 1574d4a4960cSBjoern A. Zeeb } 1575d4a4960cSBjoern A. Zeeb 1576d4a4960cSBjoern A. Zeeb return (-EINVAL); 1577d4a4960cSBjoern A. Zeeb } 1578d4a4960cSBjoern A. Zeeb 157930048f61SBjoern A. Zeeb static inline int 158030048f61SBjoern A. Zeeb pcim_iomap_regions_request_all(struct pci_dev *pdev, uint32_t mask, char *name) 158130048f61SBjoern A. Zeeb { 158230048f61SBjoern A. Zeeb uint32_t requests, req_mask; 158330048f61SBjoern A. Zeeb int bar, error; 158430048f61SBjoern A. Zeeb 158530048f61SBjoern A. Zeeb /* Request all the BARs ("regions") we do not iomap. */ 158630048f61SBjoern A. Zeeb req_mask = ((1 << (PCIR_MAX_BAR_0 + 1)) - 1) & ~mask; 158730048f61SBjoern A. Zeeb for (bar = requests = 0; requests != req_mask; bar++) { 158830048f61SBjoern A. Zeeb if ((req_mask & (1 << bar)) == 0) 158930048f61SBjoern A. Zeeb continue; 159030048f61SBjoern A. Zeeb error = pci_request_region(pdev, bar, name); 159130048f61SBjoern A. Zeeb if (error != 0 && error != -ENODEV) 159230048f61SBjoern A. Zeeb goto err; 159330048f61SBjoern A. Zeeb requests |= (1 << bar); 159430048f61SBjoern A. Zeeb } 159530048f61SBjoern A. Zeeb 159630048f61SBjoern A. Zeeb error = pcim_iomap_regions(pdev, mask, name); 159730048f61SBjoern A. Zeeb if (error != 0) 159830048f61SBjoern A. Zeeb goto err; 159930048f61SBjoern A. Zeeb 160030048f61SBjoern A. Zeeb return (0); 160130048f61SBjoern A. Zeeb 160230048f61SBjoern A. Zeeb err: 160330048f61SBjoern A. Zeeb for (bar = PCIR_MAX_BAR_0; bar >= 0; bar--) { 160430048f61SBjoern A. Zeeb if ((requests & (1 << bar)) != 0) 160530048f61SBjoern A. Zeeb pci_release_region(pdev, bar); 160630048f61SBjoern A. Zeeb } 160730048f61SBjoern A. Zeeb 160830048f61SBjoern A. Zeeb return (-EINVAL); 160930048f61SBjoern A. Zeeb } 161030048f61SBjoern A. Zeeb 16118f61992dSBjoern A. Zeeb /* 16128f61992dSBjoern A. Zeeb * We cannot simply re-define pci_get_device() as we would normally do 16138f61992dSBjoern A. Zeeb * and then hide it in linux_pci.c as too many semi-native drivers still 16148f61992dSBjoern A. Zeeb * inlucde linux/pci.h and run into the conflict with native PCI. Linux drivers 16158f61992dSBjoern A. Zeeb * using pci_get_device() need to be changed to call linuxkpi_pci_get_device(). 16168f61992dSBjoern A. Zeeb */ 16178f61992dSBjoern A. Zeeb static inline struct pci_dev * 16188f61992dSBjoern A. Zeeb linuxkpi_pci_get_device(uint16_t vendor, uint16_t device, struct pci_dev *odev) 16198f61992dSBjoern A. Zeeb { 16208f61992dSBjoern A. Zeeb 16218f61992dSBjoern A. Zeeb return (lkpi_pci_get_device(vendor, device, odev)); 16228f61992dSBjoern A. Zeeb } 16238f61992dSBjoern A. Zeeb 1624d4a4960cSBjoern A. Zeeb /* This is a FreeBSD extension so we can use bus_*(). */ 1625d4a4960cSBjoern A. Zeeb static inline void 1626d4a4960cSBjoern A. Zeeb linuxkpi_pcim_want_to_use_bus_functions(struct pci_dev *pdev) 1627d4a4960cSBjoern A. Zeeb { 1628d4a4960cSBjoern A. Zeeb pdev->want_iomap_res = true; 1629d4a4960cSBjoern A. Zeeb } 1630d4a4960cSBjoern A. Zeeb 16316890e327SEmmanuel Vadot static inline bool 16326890e327SEmmanuel Vadot pci_is_thunderbolt_attached(struct pci_dev *pdev) 16336890e327SEmmanuel Vadot { 16346890e327SEmmanuel Vadot 16356890e327SEmmanuel Vadot return (false); 16366890e327SEmmanuel Vadot } 16376890e327SEmmanuel Vadot 16386890e327SEmmanuel Vadot static inline void * 16396890e327SEmmanuel Vadot pci_platform_rom(struct pci_dev *pdev, size_t *size) 16406890e327SEmmanuel Vadot { 16416890e327SEmmanuel Vadot 16426890e327SEmmanuel Vadot return (NULL); 16436890e327SEmmanuel Vadot } 16446890e327SEmmanuel Vadot 16456890e327SEmmanuel Vadot static inline void 16466890e327SEmmanuel Vadot pci_ignore_hotplug(struct pci_dev *pdev) 16476890e327SEmmanuel Vadot { 16486890e327SEmmanuel Vadot } 16496890e327SEmmanuel Vadot 16504cb3cb2dSJake Freeland static inline const char * 16514cb3cb2dSJake Freeland pci_power_name(pci_power_t state) 16524cb3cb2dSJake Freeland { 16534cb3cb2dSJake Freeland int pstate = state + 1; 16544cb3cb2dSJake Freeland 16554cb3cb2dSJake Freeland if (pstate >= 0 && pstate < nitems(pci_power_names)) 16564cb3cb2dSJake Freeland return (pci_power_names[pstate]); 16574cb3cb2dSJake Freeland else 16584cb3cb2dSJake Freeland return (pci_power_names[0]); 16594cb3cb2dSJake Freeland } 16604cb3cb2dSJake Freeland 16616890e327SEmmanuel Vadot static inline int 16626890e327SEmmanuel Vadot pcie_get_readrq(struct pci_dev *dev) 16636890e327SEmmanuel Vadot { 16646890e327SEmmanuel Vadot u16 ctl; 16656890e327SEmmanuel Vadot 16666890e327SEmmanuel Vadot if (pcie_capability_read_word(dev, PCI_EXP_DEVCTL, &ctl)) 16676890e327SEmmanuel Vadot return (-EINVAL); 16686890e327SEmmanuel Vadot 16696890e327SEmmanuel Vadot return (128 << ((ctl & PCI_EXP_DEVCTL_READRQ) >> 12)); 16706890e327SEmmanuel Vadot } 16716890e327SEmmanuel Vadot 16725f2f582cSBjoern A. Zeeb static inline bool 16735f2f582cSBjoern A. Zeeb pci_is_enabled(struct pci_dev *pdev) 16745f2f582cSBjoern A. Zeeb { 16755f2f582cSBjoern A. Zeeb 16765f2f582cSBjoern A. Zeeb return ((pci_read_config(pdev->dev.bsddev, PCIR_COMMAND, 2) & 16775f2f582cSBjoern A. Zeeb PCIM_CMD_BUSMASTEREN) != 0); 16785f2f582cSBjoern A. Zeeb } 16795f2f582cSBjoern A. Zeeb 168049b6d5edSJean-Sébastien Pédron static inline int 168149b6d5edSJean-Sébastien Pédron pci_wait_for_pending_transaction(struct pci_dev *pdev) 168249b6d5edSJean-Sébastien Pédron { 168349b6d5edSJean-Sébastien Pédron 168449b6d5edSJean-Sébastien Pédron return (0); 168549b6d5edSJean-Sébastien Pédron } 168649b6d5edSJean-Sébastien Pédron 1687307f78f3SVladimir Kondratyev #endif /* _LINUXKPI_LINUX_PCI_H_ */ 1688