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> 6083df72e5SJean-Sébastien Pédron #include <asm/memtype.h> 618d59ecb2SHans Petter Selasky #include <linux/device.h> 625a402a3aSBjoern A. Zeeb #include <linux/pci_ids.h> 630e981d79SBjoern A. Zeeb #include <linux/pm.h> 648d59ecb2SHans Petter Selasky 658d59ecb2SHans Petter Selasky struct pci_device_id { 668d59ecb2SHans Petter Selasky uint32_t vendor; 678d59ecb2SHans Petter Selasky uint32_t device; 688d59ecb2SHans Petter Selasky uint32_t subvendor; 698d59ecb2SHans Petter Selasky uint32_t subdevice; 706373e95eSMark Johnston uint32_t class; 718d59ecb2SHans Petter Selasky uint32_t class_mask; 728d59ecb2SHans Petter Selasky uintptr_t driver_data; 738d59ecb2SHans Petter Selasky }; 748d59ecb2SHans Petter Selasky 755493c627SBjoern A. Zeeb /* Linux has an empty element at the end of the ID table -> nitems() - 1. */ 765493c627SBjoern A. Zeeb #define MODULE_DEVICE_TABLE(_bus, _table) \ 775493c627SBjoern A. Zeeb \ 785493c627SBjoern A. Zeeb static device_method_t _ ## _bus ## _ ## _table ## _methods[] = { \ 795493c627SBjoern A. Zeeb DEVMETHOD_END \ 805493c627SBjoern A. Zeeb }; \ 815493c627SBjoern A. Zeeb \ 825493c627SBjoern A. Zeeb static driver_t _ ## _bus ## _ ## _table ## _driver = { \ 835493c627SBjoern A. Zeeb "lkpi_" #_bus #_table, \ 845493c627SBjoern A. Zeeb _ ## _bus ## _ ## _table ## _methods, \ 855493c627SBjoern A. Zeeb 0 \ 865493c627SBjoern A. Zeeb }; \ 875493c627SBjoern A. Zeeb \ 885493c627SBjoern A. Zeeb DRIVER_MODULE(lkpi_ ## _table, pci, _ ## _bus ## _ ## _table ## _driver,\ 89a65d0774SJohn Baldwin 0, 0); \ 905493c627SBjoern A. Zeeb \ 915493c627SBjoern A. Zeeb MODULE_PNP_INFO("U32:vendor;U32:device;V32:subvendor;V32:subdevice", \ 925493c627SBjoern A. Zeeb _bus, lkpi_ ## _table, _table, nitems(_table) - 1) 93ecf29cf1SMark Johnston 94232028b3SHans Petter Selasky #define PCI_ANY_ID -1U 958d59ecb2SHans Petter Selasky 968d59ecb2SHans Petter Selasky #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) 978d59ecb2SHans Petter Selasky #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) 988d59ecb2SHans Petter Selasky #define PCI_FUNC(devfn) ((devfn) & 0x07) 9913a5c70bSHans Petter Selasky #define PCI_BUS_NUM(devfn) (((devfn) >> 8) & 0xff) 1008d59ecb2SHans Petter Selasky 1018d59ecb2SHans Petter Selasky #define PCI_VDEVICE(_vendor, _device) \ 1028d59ecb2SHans Petter Selasky .vendor = PCI_VENDOR_ID_##_vendor, .device = (_device), \ 1038d59ecb2SHans Petter Selasky .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID 1048d59ecb2SHans Petter Selasky #define PCI_DEVICE(_vendor, _device) \ 1058d59ecb2SHans Petter Selasky .vendor = (_vendor), .device = (_device), \ 1068d59ecb2SHans Petter Selasky .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID 1078d59ecb2SHans Petter Selasky 1088d59ecb2SHans Petter Selasky #define to_pci_dev(n) container_of(n, struct pci_dev, dev) 1098d59ecb2SHans Petter Selasky 11066cc55a0SJean-Sébastien Pédron #define PCI_STD_NUM_BARS 6 111c41d8354SBjoern A. Zeeb #define PCI_VENDOR_ID PCIR_VENDOR 112c41d8354SBjoern A. Zeeb #define PCI_DEVICE_ID PCIR_DEVICE 1138d59ecb2SHans Petter Selasky #define PCI_COMMAND PCIR_COMMAND 114fc1d8409SBjoern A. Zeeb #define PCI_COMMAND_INTX_DISABLE PCIM_CMD_INTxDIS 1158d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL /* Device Control */ 1168d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCTL PCIER_LINK_CTL /* Link Control */ 117fc1d8409SBjoern A. Zeeb #define PCI_EXP_LNKCTL_ASPM_L0S PCIEM_LINK_CTL_ASPMC_L0S 118fc1d8409SBjoern A. Zeeb #define PCI_EXP_LNKCTL_ASPM_L1 PCIEM_LINK_CTL_ASPMC_L1 119c4f52f71SBjoern A. Zeeb #define PCI_EXP_LNKCTL_ASPMC PCIEM_LINK_CTL_ASPMC 120fc1d8409SBjoern A. Zeeb #define PCI_EXP_LNKCTL_CLKREQ_EN PCIEM_LINK_CTL_ECPM /* Enable clock PM */ 121c4f52f71SBjoern A. Zeeb #define PCI_EXP_LNKCTL_HAWD PCIEM_LINK_CTL_HAWD 1228d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_TYPE PCIEM_FLAGS_TYPE /* Device/Port type */ 1238d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCAP PCIER_DEVICE_CAP /* Device capabilities */ 1248d59ecb2SHans Petter Selasky #define PCI_EXP_DEVSTA PCIER_DEVICE_STA /* Device Status */ 1258d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCAP PCIER_LINK_CAP /* Link Capabilities */ 1268d59ecb2SHans Petter Selasky #define PCI_EXP_LNKSTA PCIER_LINK_STA /* Link Status */ 1278d59ecb2SHans Petter Selasky #define PCI_EXP_SLTCAP PCIER_SLOT_CAP /* Slot Capabilities */ 1288d59ecb2SHans Petter Selasky #define PCI_EXP_SLTCTL PCIER_SLOT_CTL /* Slot Control */ 1298d59ecb2SHans Petter Selasky #define PCI_EXP_SLTSTA PCIER_SLOT_STA /* Slot Status */ 1308d59ecb2SHans Petter Selasky #define PCI_EXP_RTCTL PCIER_ROOT_CTL /* Root Control */ 1318d59ecb2SHans Petter Selasky #define PCI_EXP_RTCAP PCIER_ROOT_CAP /* Root Capabilities */ 1328d59ecb2SHans Petter Selasky #define PCI_EXP_RTSTA PCIER_ROOT_STA /* Root Status */ 1338d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCAP2 PCIER_DEVICE_CAP2 /* Device Capabilities 2 */ 1348d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCTL2 PCIER_DEVICE_CTL2 /* Device Control 2 */ 135fc1d8409SBjoern A. Zeeb #define PCI_EXP_DEVCTL2_LTR_EN PCIEM_CTL2_LTR_ENABLE 13685eb99f9SBjoern A. Zeeb #define PCI_EXP_DEVCTL2_COMP_TMOUT_DIS PCIEM_CTL2_COMP_TIMO_DISABLE 1378d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCAP2 PCIER_LINK_CAP2 /* Link Capabilities 2 */ 1388d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCTL2 PCIER_LINK_CTL2 /* Link Control 2 */ 1398d59ecb2SHans Petter Selasky #define PCI_EXP_LNKSTA2 PCIER_LINK_STA2 /* Link Status 2 */ 1408d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS PCIER_FLAGS /* Capabilities register */ 1418d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_VERS PCIEM_FLAGS_VERSION /* Capability version */ 1428d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_ROOT_PORT PCIEM_TYPE_ROOT_PORT /* Root Port */ 1438d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_ENDPOINT PCIEM_TYPE_ENDPOINT /* Express Endpoint */ 1448d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_LEG_END PCIEM_TYPE_LEGACY_ENDPOINT /* Legacy Endpoint */ 1458d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_DOWNSTREAM PCIEM_TYPE_DOWNSTREAM_PORT /* Downstream Port */ 1468d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_SLOT PCIEM_FLAGS_SLOT /* Slot implemented */ 1478d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_RC_EC PCIEM_TYPE_ROOT_EC /* Root Complex Event Collector */ 148a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_2_5GB 0x01 /* Supported Link Speed 2.5GT/s */ 149a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_5_0GB 0x02 /* Supported Link Speed 5.0GT/s */ 1500adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP_SLS_8_0GB 0x03 /* Supported Link Speed 8.0GT/s */ 1510adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP_SLS_16_0GB 0x04 /* Supported Link Speed 16.0GT/s */ 1520adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP_SLS_32_0GB 0x05 /* Supported Link Speed 32.0GT/s */ 1530adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP_SLS_64_0GB 0x06 /* Supported Link Speed 64.0GT/s */ 154a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_MLW 0x03f0 /* Maximum Link Width */ 155a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_2_5GB 0x02 /* Supported Link Speed 2.5GT/s */ 156a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_5_0GB 0x04 /* Supported Link Speed 5.0GT/s */ 157a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_8_0GB 0x08 /* Supported Link Speed 8.0GT/s */ 158ab62989aSHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_16_0GB 0x10 /* Supported Link Speed 16.0GT/s */ 1590adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP2_SLS_32_0GB 0x20 /* Supported Link Speed 32.0GT/s */ 1600adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP2_SLS_64_0GB 0x40 /* Supported Link Speed 64.0GT/s */ 16178a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS 0x000f 16278a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_2_5GT 0x0001 /* Supported Speed 2.5GT/s */ 16378a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_5_0GT 0x0002 /* Supported Speed 5GT/s */ 16478a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_8_0GT 0x0003 /* Supported Speed 8GT/s */ 16578a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_16_0GT 0x0004 /* Supported Speed 16GT/s */ 16678a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_32_0GT 0x0005 /* Supported Speed 32GT/s */ 1670adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCTL2_TLS_64_0GT 0x0006 /* Supported Speed 64GT/s */ 16878a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_ENTER_COMP 0x0010 /* Enter Compliance */ 16978a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TX_MARGIN 0x0380 /* Transmit Margin */ 1708d59ecb2SHans Petter Selasky 1715f2f582cSBjoern A. Zeeb #define PCI_MSI_ADDRESS_LO PCIR_MSI_ADDR 1725f2f582cSBjoern A. Zeeb #define PCI_MSI_ADDRESS_HI PCIR_MSI_ADDR_HIGH 1735f2f582cSBjoern A. Zeeb #define PCI_MSI_FLAGS PCIR_MSI_CTRL 1745f2f582cSBjoern A. Zeeb #define PCI_MSI_FLAGS_ENABLE PCIM_MSICTRL_MSI_ENABLE 1754152ce21SJean-Sébastien Pédron #define PCI_MSIX_FLAGS PCIR_MSIX_CTRL 1764152ce21SJean-Sébastien Pédron #define PCI_MSIX_FLAGS_ENABLE PCIM_MSIXCTRL_MSIX_ENABLE 1775f2f582cSBjoern A. Zeeb 17812af734dSHans Petter Selasky #define PCI_EXP_LNKCAP_CLKPM 0x00040000 17912af734dSHans Petter Selasky #define PCI_EXP_DEVSTA_TRPND 0x0020 18012af734dSHans Petter Selasky 181bdff61f8SHans Petter Selasky #define IORESOURCE_MEM (1 << SYS_RES_MEMORY) 182bdff61f8SHans Petter Selasky #define IORESOURCE_IO (1 << SYS_RES_IOPORT) 183bdff61f8SHans Petter Selasky #define IORESOURCE_IRQ (1 << SYS_RES_IRQ) 1848d59ecb2SHans Petter Selasky 185a65ef215SHans Petter Selasky enum pci_bus_speed { 186a65ef215SHans Petter Selasky PCI_SPEED_UNKNOWN = -1, 187a65ef215SHans Petter Selasky PCIE_SPEED_2_5GT, 188a65ef215SHans Petter Selasky PCIE_SPEED_5_0GT, 189a65ef215SHans Petter Selasky PCIE_SPEED_8_0GT, 190ab62989aSHans Petter Selasky PCIE_SPEED_16_0GT, 1910adc02a9SJean-Sébastien Pédron PCIE_SPEED_32_0GT, 1920adc02a9SJean-Sébastien Pédron PCIE_SPEED_64_0GT, 193a65ef215SHans Petter Selasky }; 1948d59ecb2SHans Petter Selasky 195a65ef215SHans Petter Selasky enum pcie_link_width { 196ab62989aSHans Petter Selasky PCIE_LNK_WIDTH_RESRV = 0x00, 197ab62989aSHans Petter Selasky PCIE_LNK_X1 = 0x01, 198ab62989aSHans Petter Selasky PCIE_LNK_X2 = 0x02, 199ab62989aSHans Petter Selasky PCIE_LNK_X4 = 0x04, 200ab62989aSHans Petter Selasky PCIE_LNK_X8 = 0x08, 201ab62989aSHans Petter Selasky PCIE_LNK_X12 = 0x0c, 202ab62989aSHans Petter Selasky PCIE_LNK_X16 = 0x10, 203ab62989aSHans Petter Selasky PCIE_LNK_X32 = 0x20, 204ab62989aSHans Petter Selasky PCIE_LNK_WIDTH_UNKNOWN = 0xff, 205a65ef215SHans Petter Selasky }; 206a65ef215SHans Petter Selasky 207fc1d8409SBjoern A. Zeeb #define PCIE_LINK_STATE_L0S 0x00000001 208fc1d8409SBjoern A. Zeeb #define PCIE_LINK_STATE_L1 0x00000002 209fc1d8409SBjoern A. Zeeb #define PCIE_LINK_STATE_CLKPM 0x00000004 210fc1d8409SBjoern A. Zeeb 21112af734dSHans Petter Selasky typedef int pci_power_t; 21212af734dSHans Petter Selasky 21312af734dSHans Petter Selasky #define PCI_D0 PCI_POWERSTATE_D0 21412af734dSHans Petter Selasky #define PCI_D1 PCI_POWERSTATE_D1 21512af734dSHans Petter Selasky #define PCI_D2 PCI_POWERSTATE_D2 21612af734dSHans Petter Selasky #define PCI_D3hot PCI_POWERSTATE_D3 21712af734dSHans Petter Selasky #define PCI_D3cold 4 21812af734dSHans Petter Selasky 21912af734dSHans Petter Selasky #define PCI_POWER_ERROR PCI_POWERSTATE_UNKNOWN 22012af734dSHans Petter Selasky 2214cb3cb2dSJake Freeland extern const char *pci_power_names[6]; 2224cb3cb2dSJake Freeland 223fc1d8409SBjoern A. Zeeb #define PCI_ERR_ROOT_COMMAND PCIR_AER_ROOTERR_CMD 224fc1d8409SBjoern A. Zeeb #define PCI_ERR_ROOT_ERR_SRC PCIR_AER_COR_SOURCE_ID 225fc1d8409SBjoern A. Zeeb 226fc1d8409SBjoern A. Zeeb #define PCI_EXT_CAP_ID_ERR PCIZ_AER 227c4f52f71SBjoern A. Zeeb #define PCI_EXT_CAP_ID_L1SS PCIZ_L1PM 228c4f52f71SBjoern A. Zeeb 229c4f52f71SBjoern A. Zeeb #define PCI_L1SS_CTL1 0x8 230c4f52f71SBjoern A. Zeeb #define PCI_L1SS_CTL1_L1SS_MASK 0xf 231fc1d8409SBjoern A. Zeeb 232366d68f2SBjoern A. Zeeb #define PCI_IRQ_LEGACY 0x01 233366d68f2SBjoern A. Zeeb #define PCI_IRQ_MSI 0x02 234366d68f2SBjoern A. Zeeb #define PCI_IRQ_MSIX 0x04 235c41d8354SBjoern A. Zeeb #define PCI_IRQ_ALL_TYPES (PCI_IRQ_MSIX|PCI_IRQ_MSI|PCI_IRQ_LEGACY) 236366d68f2SBjoern A. Zeeb 237a65ef215SHans Petter Selasky struct pci_dev; 2388d59ecb2SHans Petter Selasky 2398d59ecb2SHans Petter Selasky struct pci_driver { 240cf899348SBjoern A. Zeeb struct list_head node; 2418d59ecb2SHans Petter Selasky char *name; 2428d59ecb2SHans Petter Selasky const struct pci_device_id *id_table; 2438d59ecb2SHans Petter Selasky int (*probe)(struct pci_dev *dev, const struct pci_device_id *id); 2448d59ecb2SHans Petter Selasky void (*remove)(struct pci_dev *dev); 2458d59ecb2SHans Petter Selasky int (*suspend) (struct pci_dev *dev, pm_message_t state); /* Device suspended */ 2468d59ecb2SHans Petter Selasky int (*resume) (struct pci_dev *dev); /* Device woken up */ 2477d133393SHans Petter Selasky void (*shutdown) (struct pci_dev *dev); /* Device shutdown */ 248b38dc0a1SMark Johnston driver_t bsddriver; 2498d59ecb2SHans Petter Selasky devclass_t bsdclass; 25088156ba5SMark Johnston struct device_driver driver; 2518d59ecb2SHans Petter Selasky const struct pci_error_handlers *err_handler; 2520b7bd01aSMark Johnston bool isdrm; 253b91dd79bSBjoern A. Zeeb int bsd_probe_return; 2542928e60eSKonstantin Belousov int (*bsd_iov_init)(device_t dev, uint16_t num_vfs, 2552928e60eSKonstantin Belousov const nvlist_t *pf_config); 2562928e60eSKonstantin Belousov void (*bsd_iov_uninit)(device_t dev); 2572928e60eSKonstantin Belousov int (*bsd_iov_add_vf)(device_t dev, uint16_t vfnum, 2582928e60eSKonstantin Belousov const nvlist_t *vf_config); 2590b7bd01aSMark Johnston }; 2600b7bd01aSMark Johnston 2610b7bd01aSMark Johnston struct pci_bus { 2620b7bd01aSMark Johnston struct pci_dev *self; 263937a05baSJustin Hibbits int domain; 2640b7bd01aSMark Johnston int number; 2658d59ecb2SHans Petter Selasky }; 2668d59ecb2SHans Petter Selasky 2678d59ecb2SHans Petter Selasky extern struct list_head pci_drivers; 2688d59ecb2SHans Petter Selasky extern struct list_head pci_devices; 2698d59ecb2SHans Petter Selasky extern spinlock_t pci_lock; 2708d59ecb2SHans Petter Selasky 2718d59ecb2SHans Petter Selasky #define __devexit_p(x) x 2728d59ecb2SHans Petter Selasky 273366d68f2SBjoern A. Zeeb #define module_pci_driver(_driver) \ 274366d68f2SBjoern A. Zeeb \ 275366d68f2SBjoern A. Zeeb static inline int \ 276366d68f2SBjoern A. Zeeb _pci_init(void) \ 277366d68f2SBjoern A. Zeeb { \ 278366d68f2SBjoern A. Zeeb \ 279366d68f2SBjoern A. Zeeb return (linux_pci_register_driver(&_driver)); \ 280366d68f2SBjoern A. Zeeb } \ 281366d68f2SBjoern A. Zeeb \ 282366d68f2SBjoern A. Zeeb static inline void \ 283366d68f2SBjoern A. Zeeb _pci_exit(void) \ 284366d68f2SBjoern A. Zeeb { \ 285366d68f2SBjoern A. Zeeb \ 286366d68f2SBjoern A. Zeeb linux_pci_unregister_driver(&_driver); \ 287366d68f2SBjoern A. Zeeb } \ 288366d68f2SBjoern A. Zeeb \ 289366d68f2SBjoern A. Zeeb module_init(_pci_init); \ 290366d68f2SBjoern A. Zeeb module_exit(_pci_exit) 291366d68f2SBjoern A. Zeeb 2924b56afafSBjoern A. Zeeb struct msi_msg { 2934b56afafSBjoern A. Zeeb uint32_t data; 2944b56afafSBjoern A. Zeeb }; 2954b56afafSBjoern A. Zeeb 2964b56afafSBjoern A. Zeeb struct msi_desc { 2974b56afafSBjoern A. Zeeb struct msi_msg msg; 2984b56afafSBjoern A. Zeeb struct { 2994b56afafSBjoern A. Zeeb bool is_64; 3004b56afafSBjoern A. Zeeb } msi_attrib; 3014b56afafSBjoern A. Zeeb }; 3024b56afafSBjoern A. Zeeb 303d4a4960cSBjoern A. Zeeb /* 304d4a4960cSBjoern A. Zeeb * If we find drivers accessing this from multiple KPIs we may have to 305d4a4960cSBjoern A. Zeeb * refcount objects of this structure. 306d4a4960cSBjoern A. Zeeb */ 3074c274849SEmmanuel Vadot struct pci_mmio_region { 3084c274849SEmmanuel Vadot TAILQ_ENTRY(pci_mmio_region) next; 3094c274849SEmmanuel Vadot struct resource *res; 3104c274849SEmmanuel Vadot int rid; 3114c274849SEmmanuel Vadot int type; 3124c274849SEmmanuel Vadot }; 3134c274849SEmmanuel Vadot 3148d59ecb2SHans Petter Selasky struct pci_dev { 3158d59ecb2SHans Petter Selasky struct device dev; 3168d59ecb2SHans Petter Selasky struct list_head links; 3178d59ecb2SHans Petter Selasky struct pci_driver *pdrv; 3180b7bd01aSMark Johnston struct pci_bus *bus; 3198e106c52SBjoern A. Zeeb struct pci_dev *root; 3204cb3cb2dSJake Freeland pci_power_t current_state; 3218d59ecb2SHans Petter Selasky uint16_t device; 3228d59ecb2SHans Petter Selasky uint16_t vendor; 323f2ec04a3SMark Johnston uint16_t subsystem_vendor; 324f2ec04a3SMark Johnston uint16_t subsystem_device; 3258d59ecb2SHans Petter Selasky unsigned int irq; 3268d59ecb2SHans Petter Selasky unsigned int devfn; 3276373e95eSMark Johnston uint32_t class; 3286373e95eSMark Johnston uint8_t revision; 3294b56afafSBjoern A. Zeeb uint8_t msi_cap; 3304152ce21SJean-Sébastien Pédron uint8_t msix_cap; 331d4a4960cSBjoern A. Zeeb bool managed; /* devres "pcim_*(). */ 332d4a4960cSBjoern A. Zeeb bool want_iomap_res; 3334f109faaSHans Petter Selasky bool msi_enabled; 334d4a4960cSBjoern A. Zeeb bool msix_enabled; 335096104e7SNeel Chauhan phys_addr_t rom; 336096104e7SNeel Chauhan size_t romlen; 337b15491b4SBjoern A. Zeeb struct msi_desc **msi_desc; 338393b0ba2SVal Packett char *path_name; 3394c274849SEmmanuel Vadot 3404c274849SEmmanuel Vadot TAILQ_HEAD(, pci_mmio_region) mmio; 3418d59ecb2SHans Petter Selasky }; 3428d59ecb2SHans Petter Selasky 343d4a4960cSBjoern A. Zeeb /* We need some meta-struct to keep track of these for devres. */ 344d4a4960cSBjoern A. Zeeb struct pci_devres { 345d4a4960cSBjoern A. Zeeb bool enable_io; 346d4a4960cSBjoern A. Zeeb /* PCIR_MAX_BAR_0 + 1 = 6 => BIT(0..5). */ 347d4a4960cSBjoern A. Zeeb uint8_t region_mask; 348d4a4960cSBjoern A. Zeeb struct resource *region_table[PCIR_MAX_BAR_0 + 1]; /* Not needed. */ 349d4a4960cSBjoern A. Zeeb }; 350d4a4960cSBjoern A. Zeeb struct pcim_iomap_devres { 351d4a4960cSBjoern A. Zeeb void *mmio_table[PCIR_MAX_BAR_0 + 1]; 352d4a4960cSBjoern A. Zeeb struct resource *res_table[PCIR_MAX_BAR_0 + 1]; 353d4a4960cSBjoern A. Zeeb }; 354d4a4960cSBjoern A. Zeeb 3551cdb2534SWarner Losh int pci_request_region(struct pci_dev *pdev, int bar, const char *res_name); 35636b5c440SWarner Losh int pci_alloc_irq_vectors(struct pci_dev *pdev, int minv, int maxv, 35736b5c440SWarner Losh unsigned int flags); 3580d0ca120SBjoern A. Zeeb bool pci_device_is_present(struct pci_dev *pdev); 3591cdb2534SWarner Losh 3608e106c52SBjoern A. Zeeb /* Internal helper function(s). */ 3618e106c52SBjoern A. Zeeb struct pci_dev *lkpinew_pci_dev(device_t); 3623ea682e2SWarner Losh struct pci_devres *lkpi_pci_devres_get_alloc(struct pci_dev *pdev); 363d4a4960cSBjoern A. Zeeb void lkpi_pci_devres_release(struct device *, void *); 3641cdb2534SWarner Losh struct resource *_lkpi_pci_iomap(struct pci_dev *pdev, int bar, int mmio_size); 3652bf3361dSWarner Losh struct pcim_iomap_devres *lkpi_pcim_iomap_devres_find(struct pci_dev *pdev); 366d4a4960cSBjoern A. Zeeb void lkpi_pcim_iomap_table_release(struct device *, void *); 3678f61992dSBjoern A. Zeeb struct pci_dev *lkpi_pci_get_device(uint16_t, uint16_t, struct pci_dev *); 3684b56afafSBjoern A. Zeeb struct msi_desc *lkpi_pci_msi_desc_alloc(int); 3698e106c52SBjoern A. Zeeb 370c41d8354SBjoern A. Zeeb static inline bool 371c41d8354SBjoern A. Zeeb dev_is_pci(struct device *dev) 372c41d8354SBjoern A. Zeeb { 373c41d8354SBjoern A. Zeeb 374c41d8354SBjoern A. Zeeb return (device_get_devclass(dev->bsddev) == devclass_find("pci")); 375c41d8354SBjoern A. Zeeb } 376c41d8354SBjoern A. Zeeb 377d4a4960cSBjoern A. Zeeb static inline int 378d4a4960cSBjoern A. Zeeb pci_resource_type(struct pci_dev *pdev, int bar) 379d4a4960cSBjoern A. Zeeb { 380d4a4960cSBjoern A. Zeeb struct pci_map *pm; 381d4a4960cSBjoern A. Zeeb 382d4a4960cSBjoern A. Zeeb pm = pci_find_bar(pdev->dev.bsddev, PCIR_BAR(bar)); 383d4a4960cSBjoern A. Zeeb if (!pm) 384d4a4960cSBjoern A. Zeeb return (-1); 385d4a4960cSBjoern A. Zeeb 386d4a4960cSBjoern A. Zeeb if (PCI_BAR_IO(pm->pm_value)) 387d4a4960cSBjoern A. Zeeb return (SYS_RES_IOPORT); 388d4a4960cSBjoern A. Zeeb else 389d4a4960cSBjoern A. Zeeb return (SYS_RES_MEMORY); 390d4a4960cSBjoern A. Zeeb } 3918e106c52SBjoern A. Zeeb 39282098c8bSJessica Clarke struct resource_list_entry *linux_pci_reserve_bar(struct pci_dev *pdev, 39382098c8bSJessica Clarke struct resource_list *rl, int type, int rid); 39482098c8bSJessica Clarke 3958d59ecb2SHans Petter Selasky static inline struct resource_list_entry * 39682098c8bSJessica Clarke linux_pci_get_rle(struct pci_dev *pdev, int type, int rid, bool reserve_bar) 3978d59ecb2SHans Petter Selasky { 3988d59ecb2SHans Petter Selasky struct pci_devinfo *dinfo; 3998d59ecb2SHans Petter Selasky struct resource_list *rl; 40082098c8bSJessica Clarke struct resource_list_entry *rle; 4018d59ecb2SHans Petter Selasky 4028d59ecb2SHans Petter Selasky dinfo = device_get_ivars(pdev->dev.bsddev); 4038d59ecb2SHans Petter Selasky rl = &dinfo->resources; 40482098c8bSJessica Clarke rle = resource_list_find(rl, type, rid); 40582098c8bSJessica Clarke /* Reserve resources for this BAR if needed. */ 40682098c8bSJessica Clarke if (rle == NULL && reserve_bar) 40782098c8bSJessica Clarke rle = linux_pci_reserve_bar(pdev, rl, type, rid); 40882098c8bSJessica Clarke return (rle); 4098d59ecb2SHans Petter Selasky } 4108d59ecb2SHans Petter Selasky 4118d59ecb2SHans Petter Selasky static inline struct resource_list_entry * 41282098c8bSJessica Clarke linux_pci_get_bar(struct pci_dev *pdev, int bar, bool reserve) 4138d59ecb2SHans Petter Selasky { 414d4a4960cSBjoern A. Zeeb int type; 4158d59ecb2SHans Petter Selasky 416d4a4960cSBjoern A. Zeeb type = pci_resource_type(pdev, bar); 417d4a4960cSBjoern A. Zeeb if (type < 0) 418d4a4960cSBjoern A. Zeeb return (NULL); 4198d59ecb2SHans Petter Selasky bar = PCIR_BAR(bar); 42082098c8bSJessica Clarke return (linux_pci_get_rle(pdev, type, bar, reserve)); 4218d59ecb2SHans Petter Selasky } 4228d59ecb2SHans Petter Selasky 4238d59ecb2SHans Petter Selasky static inline struct device * 424e996b07cSHans Petter Selasky linux_pci_find_irq_dev(unsigned int irq) 4258d59ecb2SHans Petter Selasky { 4268d59ecb2SHans Petter Selasky struct pci_dev *pdev; 4272f02a9e1SConrad Meyer struct device *found; 4288d59ecb2SHans Petter Selasky 4292f02a9e1SConrad Meyer found = NULL; 4308d59ecb2SHans Petter Selasky spin_lock(&pci_lock); 4318d59ecb2SHans Petter Selasky list_for_each_entry(pdev, &pci_devices, links) { 4322f02a9e1SConrad Meyer if (irq == pdev->dev.irq || 4334f109faaSHans Petter Selasky (irq >= pdev->dev.irq_start && irq < pdev->dev.irq_end)) { 4342f02a9e1SConrad Meyer found = &pdev->dev; 4358d59ecb2SHans Petter Selasky break; 4368d59ecb2SHans Petter Selasky } 4372f02a9e1SConrad Meyer } 4388d59ecb2SHans Petter Selasky spin_unlock(&pci_lock); 4392f02a9e1SConrad Meyer return (found); 4408d59ecb2SHans Petter Selasky } 4418d59ecb2SHans Petter Selasky 4428d59ecb2SHans Petter Selasky /* 4438d59ecb2SHans Petter Selasky * All drivers just seem to want to inspect the type not flags. 4448d59ecb2SHans Petter Selasky */ 4458d59ecb2SHans Petter Selasky static inline int 4468d59ecb2SHans Petter Selasky pci_resource_flags(struct pci_dev *pdev, int bar) 4478d59ecb2SHans Petter Selasky { 448bdff61f8SHans Petter Selasky int type; 4498d59ecb2SHans Petter Selasky 450bdff61f8SHans Petter Selasky type = pci_resource_type(pdev, bar); 451bdff61f8SHans Petter Selasky if (type < 0) 4528d59ecb2SHans Petter Selasky return (0); 453bdff61f8SHans Petter Selasky return (1 << type); 4548d59ecb2SHans Petter Selasky } 4558d59ecb2SHans Petter Selasky 4568d59ecb2SHans Petter Selasky static inline const char * 4578d59ecb2SHans Petter Selasky pci_name(struct pci_dev *d) 4588d59ecb2SHans Petter Selasky { 459393b0ba2SVal Packett return d->path_name; 4608d59ecb2SHans Petter Selasky } 4618d59ecb2SHans Petter Selasky 4628d59ecb2SHans Petter Selasky static inline void * 4638d59ecb2SHans Petter Selasky pci_get_drvdata(struct pci_dev *pdev) 4648d59ecb2SHans Petter Selasky { 4658d59ecb2SHans Petter Selasky 4668d59ecb2SHans Petter Selasky return dev_get_drvdata(&pdev->dev); 4678d59ecb2SHans Petter Selasky } 4688d59ecb2SHans Petter Selasky 4698d59ecb2SHans Petter Selasky static inline void 4708d59ecb2SHans Petter Selasky pci_set_drvdata(struct pci_dev *pdev, void *data) 4718d59ecb2SHans Petter Selasky { 4728d59ecb2SHans Petter Selasky 4738d59ecb2SHans Petter Selasky dev_set_drvdata(&pdev->dev, data); 4748d59ecb2SHans Petter Selasky } 4758d59ecb2SHans Petter Selasky 4768e106c52SBjoern A. Zeeb static inline struct pci_dev * 4778e106c52SBjoern A. Zeeb pci_dev_get(struct pci_dev *pdev) 4788e106c52SBjoern A. Zeeb { 4798e106c52SBjoern A. Zeeb 4808e106c52SBjoern A. Zeeb if (pdev != NULL) 4818e106c52SBjoern A. Zeeb get_device(&pdev->dev); 4828e106c52SBjoern A. Zeeb return (pdev); 4838e106c52SBjoern A. Zeeb } 4848e106c52SBjoern A. Zeeb 4851fac2cb4SBjoern A. Zeeb static __inline void 4861fac2cb4SBjoern A. Zeeb pci_dev_put(struct pci_dev *pdev) 4871fac2cb4SBjoern A. Zeeb { 4881fac2cb4SBjoern A. Zeeb 4891fac2cb4SBjoern A. Zeeb if (pdev != NULL) 4901fac2cb4SBjoern A. Zeeb put_device(&pdev->dev); 4911fac2cb4SBjoern A. Zeeb } 4921fac2cb4SBjoern A. Zeeb 4938d59ecb2SHans Petter Selasky static inline int 4948d59ecb2SHans Petter Selasky pci_enable_device(struct pci_dev *pdev) 4958d59ecb2SHans Petter Selasky { 4968d59ecb2SHans Petter Selasky 4978d59ecb2SHans Petter Selasky pci_enable_io(pdev->dev.bsddev, SYS_RES_IOPORT); 4988d59ecb2SHans Petter Selasky pci_enable_io(pdev->dev.bsddev, SYS_RES_MEMORY); 4998d59ecb2SHans Petter Selasky return (0); 5008d59ecb2SHans Petter Selasky } 5018d59ecb2SHans Petter Selasky 5028d59ecb2SHans Petter Selasky static inline void 5038d59ecb2SHans Petter Selasky pci_disable_device(struct pci_dev *pdev) 5048d59ecb2SHans Petter Selasky { 505f67b5de7SMark Johnston 506555deb3cSHans Petter Selasky pci_disable_busmaster(pdev->dev.bsddev); 5078d59ecb2SHans Petter Selasky } 5088d59ecb2SHans Petter Selasky 5098d59ecb2SHans Petter Selasky static inline int 5108d59ecb2SHans Petter Selasky pci_set_master(struct pci_dev *pdev) 5118d59ecb2SHans Petter Selasky { 5128d59ecb2SHans Petter Selasky 5138d59ecb2SHans Petter Selasky pci_enable_busmaster(pdev->dev.bsddev); 5148d59ecb2SHans Petter Selasky return (0); 5158d59ecb2SHans Petter Selasky } 5168d59ecb2SHans Petter Selasky 5178d59ecb2SHans Petter Selasky static inline int 51812af734dSHans Petter Selasky pci_set_power_state(struct pci_dev *pdev, int state) 51912af734dSHans Petter Selasky { 52012af734dSHans Petter Selasky 52112af734dSHans Petter Selasky pci_set_powerstate(pdev->dev.bsddev, state); 52212af734dSHans Petter Selasky return (0); 52312af734dSHans Petter Selasky } 52412af734dSHans Petter Selasky 52512af734dSHans Petter Selasky static inline int 5268d59ecb2SHans Petter Selasky pci_clear_master(struct pci_dev *pdev) 5278d59ecb2SHans Petter Selasky { 5288d59ecb2SHans Petter Selasky 5298d59ecb2SHans Petter Selasky pci_disable_busmaster(pdev->dev.bsddev); 5308d59ecb2SHans Petter Selasky return (0); 5318d59ecb2SHans Petter Selasky } 5328d59ecb2SHans Petter Selasky 533b3b83625SBjoern A. Zeeb static inline bool 534b3b83625SBjoern A. Zeeb pci_is_root_bus(struct pci_bus *pbus) 535b3b83625SBjoern A. Zeeb { 536b3b83625SBjoern A. Zeeb 537b3b83625SBjoern A. Zeeb return (pbus->self == NULL); 538b3b83625SBjoern A. Zeeb } 539b3b83625SBjoern A. Zeeb 540b3b83625SBjoern A. Zeeb static inline struct pci_dev * 541b3b83625SBjoern A. Zeeb pci_upstream_bridge(struct pci_dev *pdev) 542b3b83625SBjoern A. Zeeb { 543b3b83625SBjoern A. Zeeb 544b3b83625SBjoern A. Zeeb if (pci_is_root_bus(pdev->bus)) 545b3b83625SBjoern A. Zeeb return (NULL); 546b3b83625SBjoern A. Zeeb 547b3b83625SBjoern A. Zeeb /* 548b3b83625SBjoern A. Zeeb * If we do not have a (proper) "upstream bridge" set, e.g., we point 549b3b83625SBjoern A. Zeeb * to ourselves, try to handle this case on the fly like we do 550b3b83625SBjoern A. Zeeb * for pcie_find_root_port(). 551b3b83625SBjoern A. Zeeb */ 552b3b83625SBjoern A. Zeeb if (pdev == pdev->bus->self) { 553b3b83625SBjoern A. Zeeb device_t bridge; 554b3b83625SBjoern A. Zeeb 555b3b83625SBjoern A. Zeeb bridge = device_get_parent(pdev->dev.bsddev); 556b3b83625SBjoern A. Zeeb if (bridge == NULL) 557b3b83625SBjoern A. Zeeb goto done; 558b3b83625SBjoern A. Zeeb bridge = device_get_parent(bridge); 559b3b83625SBjoern A. Zeeb if (bridge == NULL) 560b3b83625SBjoern A. Zeeb goto done; 561b3b83625SBjoern A. Zeeb if (device_get_devclass(device_get_parent(bridge)) != 562b3b83625SBjoern A. Zeeb devclass_find("pci")) 563b3b83625SBjoern A. Zeeb goto done; 564b3b83625SBjoern A. Zeeb 565b3b83625SBjoern A. Zeeb /* 566b3b83625SBjoern A. Zeeb * "bridge" is a PCI-to-PCI bridge. Create a Linux pci_dev 567b3b83625SBjoern A. Zeeb * for it so it can be returned. 568b3b83625SBjoern A. Zeeb */ 569b3b83625SBjoern A. Zeeb pdev->bus->self = lkpinew_pci_dev(bridge); 570b3b83625SBjoern A. Zeeb } 571b3b83625SBjoern A. Zeeb done: 572b3b83625SBjoern A. Zeeb return (pdev->bus->self); 573b3b83625SBjoern A. Zeeb } 574b3b83625SBjoern A. Zeeb 575d4a4960cSBjoern A. Zeeb static inline struct pci_devres * 576d4a4960cSBjoern A. Zeeb lkpi_pci_devres_find(struct pci_dev *pdev) 577d4a4960cSBjoern A. Zeeb { 578d4a4960cSBjoern A. Zeeb 579d4a4960cSBjoern A. Zeeb if (!pdev->managed) 580d4a4960cSBjoern A. Zeeb return (NULL); 581d4a4960cSBjoern A. Zeeb 582d4a4960cSBjoern A. Zeeb return (lkpi_pci_devres_get_alloc(pdev)); 583d4a4960cSBjoern A. Zeeb } 584d4a4960cSBjoern A. Zeeb 5858d59ecb2SHans Petter Selasky static inline void 5868d59ecb2SHans Petter Selasky pci_release_region(struct pci_dev *pdev, int bar) 5878d59ecb2SHans Petter Selasky { 5888d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 589d4a4960cSBjoern A. Zeeb struct pci_devres *dr; 590d4a4960cSBjoern A. Zeeb struct pci_mmio_region *mmio, *p; 5918d59ecb2SHans Petter Selasky 59282098c8bSJessica Clarke if ((rle = linux_pci_get_bar(pdev, bar, false)) == NULL) 5938d59ecb2SHans Petter Selasky return; 594d4a4960cSBjoern A. Zeeb 595d4a4960cSBjoern A. Zeeb /* 596d4a4960cSBjoern A. Zeeb * As we implicitly track the requests we also need to clear them on 597d4a4960cSBjoern A. Zeeb * release. Do clear before resource release. 598d4a4960cSBjoern A. Zeeb */ 599d4a4960cSBjoern A. Zeeb dr = lkpi_pci_devres_find(pdev); 600d4a4960cSBjoern A. Zeeb if (dr != NULL) { 601d4a4960cSBjoern A. Zeeb KASSERT(dr->region_table[bar] == rle->res, ("%s: pdev %p bar %d" 602d4a4960cSBjoern A. Zeeb " region_table res %p != rel->res %p\n", __func__, pdev, 603d4a4960cSBjoern A. Zeeb bar, dr->region_table[bar], rle->res)); 604d4a4960cSBjoern A. Zeeb dr->region_table[bar] = NULL; 605d4a4960cSBjoern A. Zeeb dr->region_mask &= ~(1 << bar); 606d4a4960cSBjoern A. Zeeb } 607d4a4960cSBjoern A. Zeeb 608d4a4960cSBjoern A. Zeeb TAILQ_FOREACH_SAFE(mmio, &pdev->mmio, next, p) { 609d4a4960cSBjoern A. Zeeb if (rle->res != (void *)rman_get_bushandle(mmio->res)) 610d4a4960cSBjoern A. Zeeb continue; 611d4a4960cSBjoern A. Zeeb TAILQ_REMOVE(&pdev->mmio, mmio, next); 612d4a4960cSBjoern A. Zeeb free(mmio, M_DEVBUF); 613d4a4960cSBjoern A. Zeeb } 614d4a4960cSBjoern A. Zeeb 6158d59ecb2SHans Petter Selasky bus_release_resource(pdev->dev.bsddev, rle->type, rle->rid, rle->res); 6168d59ecb2SHans Petter Selasky } 6178d59ecb2SHans Petter Selasky 6188d59ecb2SHans Petter Selasky static inline void 6198d59ecb2SHans Petter Selasky pci_release_regions(struct pci_dev *pdev) 6208d59ecb2SHans Petter Selasky { 6218d59ecb2SHans Petter Selasky int i; 6228d59ecb2SHans Petter Selasky 6238d59ecb2SHans Petter Selasky for (i = 0; i <= PCIR_MAX_BAR_0; i++) 6248d59ecb2SHans Petter Selasky pci_release_region(pdev, i); 6258d59ecb2SHans Petter Selasky } 6268d59ecb2SHans Petter Selasky 6278d59ecb2SHans Petter Selasky static inline int 6288d59ecb2SHans Petter Selasky pci_request_regions(struct pci_dev *pdev, const char *res_name) 6298d59ecb2SHans Petter Selasky { 6308d59ecb2SHans Petter Selasky int error; 6318d59ecb2SHans Petter Selasky int i; 6328d59ecb2SHans Petter Selasky 6338d59ecb2SHans Petter Selasky for (i = 0; i <= PCIR_MAX_BAR_0; i++) { 6348d59ecb2SHans Petter Selasky error = pci_request_region(pdev, i, res_name); 6358d59ecb2SHans Petter Selasky if (error && error != -ENODEV) { 6368d59ecb2SHans Petter Selasky pci_release_regions(pdev); 6378d59ecb2SHans Petter Selasky return (error); 6388d59ecb2SHans Petter Selasky } 6398d59ecb2SHans Petter Selasky } 6408d59ecb2SHans Petter Selasky return (0); 6418d59ecb2SHans Petter Selasky } 6428d59ecb2SHans Petter Selasky 6438d59ecb2SHans Petter Selasky static inline void 644d4a4960cSBjoern A. Zeeb lkpi_pci_disable_msix(struct pci_dev *pdev) 6458d59ecb2SHans Petter Selasky { 6468d59ecb2SHans Petter Selasky 6478d59ecb2SHans Petter Selasky pci_release_msi(pdev->dev.bsddev); 648e1992aa1SHans Petter Selasky 649e1992aa1SHans Petter Selasky /* 650e1992aa1SHans Petter Selasky * The MSIX IRQ numbers associated with this PCI device are no 651e1992aa1SHans Petter Selasky * longer valid and might be re-assigned. Make sure 652e1992aa1SHans Petter Selasky * linux_pci_find_irq_dev() does no longer see them by 653e1992aa1SHans Petter Selasky * resetting their references to zero: 654e1992aa1SHans Petter Selasky */ 6554f109faaSHans Petter Selasky pdev->dev.irq_start = 0; 6564f109faaSHans Petter Selasky pdev->dev.irq_end = 0; 657d4a4960cSBjoern A. Zeeb pdev->msix_enabled = false; 6584f109faaSHans Petter Selasky } 659d4a4960cSBjoern A. Zeeb /* Only for consistency. No conflict on that one. */ 660d4a4960cSBjoern A. Zeeb #define pci_disable_msix(pdev) lkpi_pci_disable_msix(pdev) 6614f109faaSHans Petter Selasky 6624f109faaSHans Petter Selasky static inline void 663d4a4960cSBjoern A. Zeeb lkpi_pci_disable_msi(struct pci_dev *pdev) 6644f109faaSHans Petter Selasky { 6654f109faaSHans Petter Selasky 6664f109faaSHans Petter Selasky pci_release_msi(pdev->dev.bsddev); 6674f109faaSHans Petter Selasky 6684f109faaSHans Petter Selasky pdev->dev.irq_start = 0; 6694f109faaSHans Petter Selasky pdev->dev.irq_end = 0; 6704f109faaSHans Petter Selasky pdev->irq = pdev->dev.irq; 6714f109faaSHans Petter Selasky pdev->msi_enabled = false; 6728d59ecb2SHans Petter Selasky } 673d4a4960cSBjoern A. Zeeb #define pci_disable_msi(pdev) lkpi_pci_disable_msi(pdev) 674539228d3SBjoern A. Zeeb #define pci_free_irq_vectors(pdev) lkpi_pci_disable_msi(pdev) 675105a37caSEmmanuel Vadot 676937a05baSJustin Hibbits unsigned long pci_resource_start(struct pci_dev *pdev, int bar); 677937a05baSJustin Hibbits unsigned long pci_resource_len(struct pci_dev *pdev, int bar); 678937a05baSJustin Hibbits 67912af734dSHans Petter Selasky static inline bus_addr_t 68012af734dSHans Petter Selasky pci_bus_address(struct pci_dev *pdev, int bar) 68112af734dSHans Petter Selasky { 68212af734dSHans Petter Selasky 68312af734dSHans Petter Selasky return (pci_resource_start(pdev, bar)); 68412af734dSHans Petter Selasky } 68512af734dSHans Petter Selasky 6868d59ecb2SHans Petter Selasky #define PCI_CAP_ID_EXP PCIY_EXPRESS 6878d59ecb2SHans Petter Selasky #define PCI_CAP_ID_PCIX PCIY_PCIX 68812af734dSHans Petter Selasky #define PCI_CAP_ID_AGP PCIY_AGP 68912af734dSHans Petter Selasky #define PCI_CAP_ID_PM PCIY_PMG 6908d59ecb2SHans Petter Selasky 69112af734dSHans Petter Selasky #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL 69212af734dSHans Petter Selasky #define PCI_EXP_DEVCTL_PAYLOAD PCIEM_CTL_MAX_PAYLOAD 69312af734dSHans Petter Selasky #define PCI_EXP_DEVCTL_READRQ PCIEM_CTL_MAX_READ_REQUEST 69412af734dSHans Petter Selasky #define PCI_EXP_LNKCTL PCIER_LINK_CTL 69512af734dSHans Petter Selasky #define PCI_EXP_LNKSTA PCIER_LINK_STA 6968d59ecb2SHans Petter Selasky 6978d59ecb2SHans Petter Selasky static inline int 6988d59ecb2SHans Petter Selasky pci_find_capability(struct pci_dev *pdev, int capid) 6998d59ecb2SHans Petter Selasky { 7008d59ecb2SHans Petter Selasky int reg; 7018d59ecb2SHans Petter Selasky 7028d59ecb2SHans Petter Selasky if (pci_find_cap(pdev->dev.bsddev, capid, ®)) 7038d59ecb2SHans Petter Selasky return (0); 7048d59ecb2SHans Petter Selasky return (reg); 7058d59ecb2SHans Petter Selasky } 7068d59ecb2SHans Petter Selasky 7078d59ecb2SHans Petter Selasky static inline int pci_pcie_cap(struct pci_dev *dev) 7088d59ecb2SHans Petter Selasky { 7098d59ecb2SHans Petter Selasky return pci_find_capability(dev, PCI_CAP_ID_EXP); 7108d59ecb2SHans Petter Selasky } 7118d59ecb2SHans Petter Selasky 7128d59ecb2SHans Petter Selasky static inline int 7138e106c52SBjoern A. Zeeb pci_find_ext_capability(struct pci_dev *pdev, int capid) 7148e106c52SBjoern A. Zeeb { 7158e106c52SBjoern A. Zeeb int reg; 7168e106c52SBjoern A. Zeeb 7178e106c52SBjoern A. Zeeb if (pci_find_extcap(pdev->dev.bsddev, capid, ®)) 7188e106c52SBjoern A. Zeeb return (0); 7198e106c52SBjoern A. Zeeb return (reg); 7208e106c52SBjoern A. Zeeb } 7218e106c52SBjoern A. Zeeb 7228e106c52SBjoern A. Zeeb #define PCIM_PCAP_PME_SHIFT 11 7238e106c52SBjoern A. Zeeb static __inline bool 7248e106c52SBjoern A. Zeeb pci_pme_capable(struct pci_dev *pdev, uint32_t flag) 7258e106c52SBjoern A. Zeeb { 7268e106c52SBjoern A. Zeeb struct pci_devinfo *dinfo; 7278e106c52SBjoern A. Zeeb pcicfgregs *cfg; 7288e106c52SBjoern A. Zeeb 7298e106c52SBjoern A. Zeeb if (flag > (PCIM_PCAP_D3PME_COLD >> PCIM_PCAP_PME_SHIFT)) 7308e106c52SBjoern A. Zeeb return (false); 7318e106c52SBjoern A. Zeeb 7328e106c52SBjoern A. Zeeb dinfo = device_get_ivars(pdev->dev.bsddev); 7338e106c52SBjoern A. Zeeb cfg = &dinfo->cfg; 7348e106c52SBjoern A. Zeeb 7358e106c52SBjoern A. Zeeb if (cfg->pp.pp_cap == 0) 7368e106c52SBjoern A. Zeeb return (false); 7378e106c52SBjoern A. Zeeb 7388e106c52SBjoern A. Zeeb if ((cfg->pp.pp_cap & (1 << (PCIM_PCAP_PME_SHIFT + flag))) != 0) 7398e106c52SBjoern A. Zeeb return (true); 7408e106c52SBjoern A. Zeeb 7418e106c52SBjoern A. Zeeb return (false); 7428e106c52SBjoern A. Zeeb } 7438e106c52SBjoern A. Zeeb 7448e106c52SBjoern A. Zeeb static inline int 7458e106c52SBjoern A. Zeeb pci_disable_link_state(struct pci_dev *pdev, uint32_t flags) 7468e106c52SBjoern A. Zeeb { 7478e106c52SBjoern A. Zeeb 7488e106c52SBjoern A. Zeeb if (!pci_enable_aspm) 7498e106c52SBjoern A. Zeeb return (-EPERM); 7508e106c52SBjoern A. Zeeb 7518e106c52SBjoern A. Zeeb return (-ENXIO); 7528e106c52SBjoern A. Zeeb } 7538e106c52SBjoern A. Zeeb 7548e106c52SBjoern A. Zeeb static inline int 755ed5600f5SBjoern A. Zeeb pci_read_config_byte(const struct pci_dev *pdev, int where, u8 *val) 7568d59ecb2SHans Petter Selasky { 7578d59ecb2SHans Petter Selasky 7588d59ecb2SHans Petter Selasky *val = (u8)pci_read_config(pdev->dev.bsddev, where, 1); 7598d59ecb2SHans Petter Selasky return (0); 7608d59ecb2SHans Petter Selasky } 7618d59ecb2SHans Petter Selasky 7628d59ecb2SHans Petter Selasky static inline int 763ed5600f5SBjoern A. Zeeb pci_read_config_word(const struct pci_dev *pdev, int where, u16 *val) 7648d59ecb2SHans Petter Selasky { 7658d59ecb2SHans Petter Selasky 7668d59ecb2SHans Petter Selasky *val = (u16)pci_read_config(pdev->dev.bsddev, where, 2); 7678d59ecb2SHans Petter Selasky return (0); 7688d59ecb2SHans Petter Selasky } 7698d59ecb2SHans Petter Selasky 7708d59ecb2SHans Petter Selasky static inline int 771ed5600f5SBjoern A. Zeeb pci_read_config_dword(const struct pci_dev *pdev, int where, u32 *val) 7728d59ecb2SHans Petter Selasky { 7738d59ecb2SHans Petter Selasky 7748d59ecb2SHans Petter Selasky *val = (u32)pci_read_config(pdev->dev.bsddev, where, 4); 7758d59ecb2SHans Petter Selasky return (0); 7768d59ecb2SHans Petter Selasky } 7778d59ecb2SHans Petter Selasky 7788d59ecb2SHans Petter Selasky static inline int 779ed5600f5SBjoern A. Zeeb pci_write_config_byte(const struct pci_dev *pdev, int where, u8 val) 7808d59ecb2SHans Petter Selasky { 7818d59ecb2SHans Petter Selasky 7828d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 1); 7838d59ecb2SHans Petter Selasky return (0); 7848d59ecb2SHans Petter Selasky } 7858d59ecb2SHans Petter Selasky 7868d59ecb2SHans Petter Selasky static inline int 787ed5600f5SBjoern A. Zeeb pci_write_config_word(const struct pci_dev *pdev, int where, u16 val) 7888d59ecb2SHans Petter Selasky { 7898d59ecb2SHans Petter Selasky 7908d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 2); 7918d59ecb2SHans Petter Selasky return (0); 7928d59ecb2SHans Petter Selasky } 7938d59ecb2SHans Petter Selasky 7948d59ecb2SHans Petter Selasky static inline int 795ed5600f5SBjoern A. Zeeb pci_write_config_dword(const struct pci_dev *pdev, int where, u32 val) 7968d59ecb2SHans Petter Selasky { 7978d59ecb2SHans Petter Selasky 7988d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 4); 7998d59ecb2SHans Petter Selasky return (0); 8008d59ecb2SHans Petter Selasky } 8018d59ecb2SHans Petter Selasky 8020b7bd01aSMark Johnston int linux_pci_register_driver(struct pci_driver *pdrv); 8030b7bd01aSMark Johnston int linux_pci_register_drm_driver(struct pci_driver *pdrv); 8040b7bd01aSMark Johnston void linux_pci_unregister_driver(struct pci_driver *pdrv); 8055098ed5fSJohannes Lundberg void linux_pci_unregister_drm_driver(struct pci_driver *pdrv); 8060b7bd01aSMark Johnston 8070b7bd01aSMark Johnston #define pci_register_driver(pdrv) linux_pci_register_driver(pdrv) 8080b7bd01aSMark Johnston #define pci_unregister_driver(pdrv) linux_pci_unregister_driver(pdrv) 8098d59ecb2SHans Petter Selasky 8108d59ecb2SHans Petter Selasky struct msix_entry { 8118d59ecb2SHans Petter Selasky int entry; 8128d59ecb2SHans Petter Selasky int vector; 8138d59ecb2SHans Petter Selasky }; 8148d59ecb2SHans Petter Selasky 8158d59ecb2SHans Petter Selasky /* 8168d59ecb2SHans Petter Selasky * Enable msix, positive errors indicate actual number of available 8178d59ecb2SHans Petter Selasky * vectors. Negative errors are failures. 8188d59ecb2SHans Petter Selasky * 8198d59ecb2SHans Petter Selasky * NB: define added to prevent this definition of pci_enable_msix from 8208d59ecb2SHans Petter Selasky * clashing with the native FreeBSD version. 8218d59ecb2SHans Petter Selasky */ 822fa0d4f31SHans Petter Selasky #define pci_enable_msix(...) \ 823fa0d4f31SHans Petter Selasky linux_pci_enable_msix(__VA_ARGS__) 824fa0d4f31SHans Petter Selasky 8258d59ecb2SHans Petter Selasky static inline int 8268d59ecb2SHans Petter Selasky pci_enable_msix(struct pci_dev *pdev, struct msix_entry *entries, int nreq) 8278d59ecb2SHans Petter Selasky { 8288d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 8298d59ecb2SHans Petter Selasky int error; 8308d59ecb2SHans Petter Selasky int avail; 8318d59ecb2SHans Petter Selasky int i; 8328d59ecb2SHans Petter Selasky 8338d59ecb2SHans Petter Selasky avail = pci_msix_count(pdev->dev.bsddev); 8348d59ecb2SHans Petter Selasky if (avail < nreq) { 8358d59ecb2SHans Petter Selasky if (avail == 0) 8368d59ecb2SHans Petter Selasky return -EINVAL; 8378d59ecb2SHans Petter Selasky return avail; 8388d59ecb2SHans Petter Selasky } 8398d59ecb2SHans Petter Selasky avail = nreq; 8408d59ecb2SHans Petter Selasky if ((error = -pci_alloc_msix(pdev->dev.bsddev, &avail)) != 0) 8418d59ecb2SHans Petter Selasky return error; 8428d59ecb2SHans Petter Selasky /* 8438d59ecb2SHans Petter Selasky * Handle case where "pci_alloc_msix()" may allocate less 8448d59ecb2SHans Petter Selasky * interrupts than available and return with no error: 8458d59ecb2SHans Petter Selasky */ 8468d59ecb2SHans Petter Selasky if (avail < nreq) { 8478d59ecb2SHans Petter Selasky pci_release_msi(pdev->dev.bsddev); 8488d59ecb2SHans Petter Selasky return avail; 8498d59ecb2SHans Petter Selasky } 85082098c8bSJessica Clarke rle = linux_pci_get_rle(pdev, SYS_RES_IRQ, 1, false); 8514f109faaSHans Petter Selasky pdev->dev.irq_start = rle->start; 8524f109faaSHans Petter Selasky pdev->dev.irq_end = rle->start + avail; 8538d59ecb2SHans Petter Selasky for (i = 0; i < nreq; i++) 8544f109faaSHans Petter Selasky entries[i].vector = pdev->dev.irq_start + i; 855d4a4960cSBjoern A. Zeeb pdev->msix_enabled = true; 8568d59ecb2SHans Petter Selasky return (0); 8578d59ecb2SHans Petter Selasky } 8588d59ecb2SHans Petter Selasky 859fa0d4f31SHans Petter Selasky #define pci_enable_msix_range(...) \ 860fa0d4f31SHans Petter Selasky linux_pci_enable_msix_range(__VA_ARGS__) 861fa0d4f31SHans Petter Selasky 8628d59ecb2SHans Petter Selasky static inline int 8638d59ecb2SHans Petter Selasky pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries, 8648d59ecb2SHans Petter Selasky int minvec, int maxvec) 8658d59ecb2SHans Petter Selasky { 8668d59ecb2SHans Petter Selasky int nvec = maxvec; 8678d59ecb2SHans Petter Selasky int rc; 8688d59ecb2SHans Petter Selasky 8698d59ecb2SHans Petter Selasky if (maxvec < minvec) 8708d59ecb2SHans Petter Selasky return (-ERANGE); 8718d59ecb2SHans Petter Selasky 8728d59ecb2SHans Petter Selasky do { 8738d59ecb2SHans Petter Selasky rc = pci_enable_msix(dev, entries, nvec); 8748d59ecb2SHans Petter Selasky if (rc < 0) { 8758d59ecb2SHans Petter Selasky return (rc); 8768d59ecb2SHans Petter Selasky } else if (rc > 0) { 8778d59ecb2SHans Petter Selasky if (rc < minvec) 8788d59ecb2SHans Petter Selasky return (-ENOSPC); 8798d59ecb2SHans Petter Selasky nvec = rc; 8808d59ecb2SHans Petter Selasky } 8818d59ecb2SHans Petter Selasky } while (rc); 8828d59ecb2SHans Petter Selasky return (nvec); 8838d59ecb2SHans Petter Selasky } 8848d59ecb2SHans Petter Selasky 8854f109faaSHans Petter Selasky #define pci_enable_msi(pdev) \ 8864f109faaSHans Petter Selasky linux_pci_enable_msi(pdev) 8874f109faaSHans Petter Selasky 8884f109faaSHans Petter Selasky static inline int 889b15491b4SBjoern A. Zeeb _lkpi_pci_enable_msi_range(struct pci_dev *pdev, int minvec, int maxvec) 8904f109faaSHans Petter Selasky { 8914f109faaSHans Petter Selasky struct resource_list_entry *rle; 8924f109faaSHans Petter Selasky int error; 893b15491b4SBjoern A. Zeeb int nvec; 8944f109faaSHans Petter Selasky 895b15491b4SBjoern A. Zeeb if (maxvec < minvec) 896b15491b4SBjoern A. Zeeb return (-EINVAL); 8974f109faaSHans Petter Selasky 898b15491b4SBjoern A. Zeeb nvec = pci_msi_count(pdev->dev.bsddev); 899b15491b4SBjoern A. Zeeb if (nvec < 1 || nvec < minvec) 900b15491b4SBjoern A. Zeeb return (-ENOSPC); 901b15491b4SBjoern A. Zeeb 902b15491b4SBjoern A. Zeeb nvec = min(nvec, maxvec); 903b15491b4SBjoern A. Zeeb if ((error = -pci_alloc_msi(pdev->dev.bsddev, &nvec)) != 0) 9044f109faaSHans Petter Selasky return error; 9054f109faaSHans Petter Selasky 906b15491b4SBjoern A. Zeeb /* Native PCI might only ever ask for 32 vectors. */ 907b15491b4SBjoern A. Zeeb if (nvec < minvec) { 908b15491b4SBjoern A. Zeeb pci_release_msi(pdev->dev.bsddev); 909b15491b4SBjoern A. Zeeb return (-ENOSPC); 910b15491b4SBjoern A. Zeeb } 911b15491b4SBjoern A. Zeeb 91282098c8bSJessica Clarke rle = linux_pci_get_rle(pdev, SYS_RES_IRQ, 1, false); 9134f109faaSHans Petter Selasky pdev->dev.irq_start = rle->start; 914b15491b4SBjoern A. Zeeb pdev->dev.irq_end = rle->start + nvec; 9154f109faaSHans Petter Selasky pdev->irq = rle->start; 9164f109faaSHans Petter Selasky pdev->msi_enabled = true; 9174f109faaSHans Petter Selasky return (0); 9184f109faaSHans Petter Selasky } 9194f109faaSHans Petter Selasky 920452d59e1SSlava Shwartsman static inline int 921b15491b4SBjoern A. Zeeb pci_enable_msi(struct pci_dev *pdev) 922b15491b4SBjoern A. Zeeb { 923b15491b4SBjoern A. Zeeb 924b15491b4SBjoern A. Zeeb return (_lkpi_pci_enable_msi_range(pdev, 1, 1)); 925b15491b4SBjoern A. Zeeb } 926b15491b4SBjoern A. Zeeb 927b15491b4SBjoern A. Zeeb static inline int 928452d59e1SSlava Shwartsman pci_channel_offline(struct pci_dev *pdev) 9298d59ecb2SHans Petter Selasky { 930452d59e1SSlava Shwartsman 931c5161386SHans Petter Selasky return (pci_read_config(pdev->dev.bsddev, PCIR_VENDOR, 2) == PCIV_INVALID); 9328d59ecb2SHans Petter Selasky } 9338d59ecb2SHans Petter Selasky 9348d59ecb2SHans Petter Selasky static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn) 9358d59ecb2SHans Petter Selasky { 9368d59ecb2SHans Petter Selasky return -ENODEV; 9378d59ecb2SHans Petter Selasky } 9381cdb2534SWarner Losh 9398d59ecb2SHans Petter Selasky static inline void pci_disable_sriov(struct pci_dev *dev) 9408d59ecb2SHans Petter Selasky { 9418d59ecb2SHans Petter Selasky } 9428d59ecb2SHans Petter Selasky 943d4a4960cSBjoern A. Zeeb static inline void * 944d4a4960cSBjoern A. Zeeb pci_iomap(struct pci_dev *pdev, int mmio_bar, int mmio_size) 945d4a4960cSBjoern A. Zeeb { 946d4a4960cSBjoern A. Zeeb struct resource *res; 947d4a4960cSBjoern A. Zeeb 948d4a4960cSBjoern A. Zeeb res = _lkpi_pci_iomap(pdev, mmio_bar, mmio_size); 949d4a4960cSBjoern A. Zeeb if (res == NULL) 950d4a4960cSBjoern A. Zeeb return (NULL); 951d4a4960cSBjoern A. Zeeb /* This is a FreeBSD extension so we can use bus_*(). */ 952d4a4960cSBjoern A. Zeeb if (pdev->want_iomap_res) 953d4a4960cSBjoern A. Zeeb return (res); 954d4a4960cSBjoern A. Zeeb return ((void *)rman_get_bushandle(res)); 9554c274849SEmmanuel Vadot } 9564c274849SEmmanuel Vadot 9574c274849SEmmanuel Vadot static inline void 958d4a4960cSBjoern A. Zeeb pci_iounmap(struct pci_dev *pdev, void *res) 9594c274849SEmmanuel Vadot { 9604c274849SEmmanuel Vadot struct pci_mmio_region *mmio, *p; 9614c274849SEmmanuel Vadot 962d4a4960cSBjoern A. Zeeb TAILQ_FOREACH_SAFE(mmio, &pdev->mmio, next, p) { 9634c274849SEmmanuel Vadot if (res != (void *)rman_get_bushandle(mmio->res)) 9644c274849SEmmanuel Vadot continue; 965d4a4960cSBjoern A. Zeeb bus_release_resource(pdev->dev.bsddev, 9664c274849SEmmanuel Vadot mmio->type, mmio->rid, mmio->res); 967d4a4960cSBjoern A. Zeeb TAILQ_REMOVE(&pdev->mmio, mmio, next); 9684c274849SEmmanuel Vadot free(mmio, M_DEVBUF); 9694c274849SEmmanuel Vadot return; 9704c274849SEmmanuel Vadot } 9714c274849SEmmanuel Vadot } 9724c274849SEmmanuel Vadot 973105a37caSEmmanuel Vadot static inline void 974105a37caSEmmanuel Vadot lkpi_pci_save_state(struct pci_dev *pdev) 975105a37caSEmmanuel Vadot { 976105a37caSEmmanuel Vadot 977105a37caSEmmanuel Vadot pci_save_state(pdev->dev.bsddev); 978105a37caSEmmanuel Vadot } 979105a37caSEmmanuel Vadot 980105a37caSEmmanuel Vadot static inline void 981105a37caSEmmanuel Vadot lkpi_pci_restore_state(struct pci_dev *pdev) 982105a37caSEmmanuel Vadot { 983105a37caSEmmanuel Vadot 984105a37caSEmmanuel Vadot pci_restore_state(pdev->dev.bsddev); 985105a37caSEmmanuel Vadot } 986105a37caSEmmanuel Vadot 987105a37caSEmmanuel Vadot #define pci_save_state(dev) lkpi_pci_save_state(dev) 988105a37caSEmmanuel Vadot #define pci_restore_state(dev) lkpi_pci_restore_state(dev) 989105a37caSEmmanuel Vadot 99086a1c5d1SJean-Sébastien Pédron static inline int 99186a1c5d1SJean-Sébastien Pédron pci_reset_function(struct pci_dev *pdev) 99286a1c5d1SJean-Sébastien Pédron { 99386a1c5d1SJean-Sébastien Pédron 99486a1c5d1SJean-Sébastien Pédron return (-ENOSYS); 99586a1c5d1SJean-Sébastien Pédron } 99686a1c5d1SJean-Sébastien Pédron 9978d59ecb2SHans Petter Selasky #define DEFINE_PCI_DEVICE_TABLE(_table) \ 9988d59ecb2SHans Petter Selasky const struct pci_device_id _table[] __devinitdata 9998d59ecb2SHans Petter Selasky 10008d59ecb2SHans Petter Selasky /* XXX This should not be necessary. */ 10018d59ecb2SHans Petter Selasky #define pcix_set_mmrbc(d, v) 0 10028d59ecb2SHans Petter Selasky #define pcix_get_max_mmrbc(d) 0 10033f322b22SMark Johnston #define pcie_set_readrq(d, v) pci_set_max_read_req((d)->dev.bsddev, (v)) 10048d59ecb2SHans Petter Selasky 10058d59ecb2SHans Petter Selasky #define PCI_DMA_BIDIRECTIONAL 0 10068d59ecb2SHans Petter Selasky #define PCI_DMA_TODEVICE 1 10078d59ecb2SHans Petter Selasky #define PCI_DMA_FROMDEVICE 2 10088d59ecb2SHans Petter Selasky #define PCI_DMA_NONE 3 10098d59ecb2SHans Petter Selasky 10108d59ecb2SHans Petter Selasky #define pci_pool dma_pool 10111724ded4SHans Petter Selasky #define pci_pool_destroy(...) dma_pool_destroy(__VA_ARGS__) 10121724ded4SHans Petter Selasky #define pci_pool_alloc(...) dma_pool_alloc(__VA_ARGS__) 10131724ded4SHans Petter Selasky #define pci_pool_free(...) dma_pool_free(__VA_ARGS__) 10148d59ecb2SHans Petter Selasky #define pci_pool_create(_name, _pdev, _size, _align, _alloc) \ 10158d59ecb2SHans Petter Selasky dma_pool_create(_name, &(_pdev)->dev, _size, _align, _alloc) 10168d59ecb2SHans Petter Selasky #define pci_free_consistent(_hwdev, _size, _vaddr, _dma_handle) \ 10178d59ecb2SHans Petter Selasky dma_free_coherent((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 10188d59ecb2SHans Petter Selasky _size, _vaddr, _dma_handle) 10198d59ecb2SHans Petter Selasky #define pci_map_sg(_hwdev, _sg, _nents, _dir) \ 10208d59ecb2SHans Petter Selasky dma_map_sg((_hwdev) == NULL ? NULL : &(_hwdev->dev), \ 10218d59ecb2SHans Petter Selasky _sg, _nents, (enum dma_data_direction)_dir) 10228d59ecb2SHans Petter Selasky #define pci_map_single(_hwdev, _ptr, _size, _dir) \ 10238d59ecb2SHans Petter Selasky dma_map_single((_hwdev) == NULL ? NULL : &(_hwdev->dev), \ 10248d59ecb2SHans Petter Selasky (_ptr), (_size), (enum dma_data_direction)_dir) 10258d59ecb2SHans Petter Selasky #define pci_unmap_single(_hwdev, _addr, _size, _dir) \ 10268d59ecb2SHans Petter Selasky dma_unmap_single((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 10278d59ecb2SHans Petter Selasky _addr, _size, (enum dma_data_direction)_dir) 10288d59ecb2SHans Petter Selasky #define pci_unmap_sg(_hwdev, _sg, _nents, _dir) \ 10298d59ecb2SHans Petter Selasky dma_unmap_sg((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 10308d59ecb2SHans Petter Selasky _sg, _nents, (enum dma_data_direction)_dir) 10318d59ecb2SHans Petter Selasky #define pci_map_page(_hwdev, _page, _offset, _size, _dir) \ 10328d59ecb2SHans Petter Selasky dma_map_page((_hwdev) == NULL ? NULL : &(_hwdev)->dev, _page,\ 10338d59ecb2SHans Petter Selasky _offset, _size, (enum dma_data_direction)_dir) 10348d59ecb2SHans Petter Selasky #define pci_unmap_page(_hwdev, _dma_address, _size, _dir) \ 10358d59ecb2SHans Petter Selasky dma_unmap_page((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 10368d59ecb2SHans Petter Selasky _dma_address, _size, (enum dma_data_direction)_dir) 10378d59ecb2SHans Petter Selasky #define pci_set_dma_mask(_pdev, mask) dma_set_mask(&(_pdev)->dev, (mask)) 10388d59ecb2SHans Petter Selasky #define pci_dma_mapping_error(_pdev, _dma_addr) \ 10398d59ecb2SHans Petter Selasky dma_mapping_error(&(_pdev)->dev, _dma_addr) 10408d59ecb2SHans Petter Selasky #define pci_set_consistent_dma_mask(_pdev, _mask) \ 10418d59ecb2SHans Petter Selasky dma_set_coherent_mask(&(_pdev)->dev, (_mask)) 10428d59ecb2SHans Petter Selasky #define DECLARE_PCI_UNMAP_ADDR(x) DEFINE_DMA_UNMAP_ADDR(x); 10438d59ecb2SHans Petter Selasky #define DECLARE_PCI_UNMAP_LEN(x) DEFINE_DMA_UNMAP_LEN(x); 10448d59ecb2SHans Petter Selasky #define pci_unmap_addr dma_unmap_addr 10458d59ecb2SHans Petter Selasky #define pci_unmap_addr_set dma_unmap_addr_set 10468d59ecb2SHans Petter Selasky #define pci_unmap_len dma_unmap_len 10478d59ecb2SHans Petter Selasky #define pci_unmap_len_set dma_unmap_len_set 10488d59ecb2SHans Petter Selasky 10498d59ecb2SHans Petter Selasky typedef unsigned int __bitwise pci_channel_state_t; 10508d59ecb2SHans Petter Selasky typedef unsigned int __bitwise pci_ers_result_t; 10518d59ecb2SHans Petter Selasky 10528d59ecb2SHans Petter Selasky enum pci_channel_state { 1053a65ef215SHans Petter Selasky pci_channel_io_normal = 1, 1054a65ef215SHans Petter Selasky pci_channel_io_frozen = 2, 1055a65ef215SHans Petter Selasky pci_channel_io_perm_failure = 3, 10568d59ecb2SHans Petter Selasky }; 10578d59ecb2SHans Petter Selasky 10588d59ecb2SHans Petter Selasky enum pci_ers_result { 1059a65ef215SHans Petter Selasky PCI_ERS_RESULT_NONE = 1, 1060a65ef215SHans Petter Selasky PCI_ERS_RESULT_CAN_RECOVER = 2, 1061a65ef215SHans Petter Selasky PCI_ERS_RESULT_NEED_RESET = 3, 1062a65ef215SHans Petter Selasky PCI_ERS_RESULT_DISCONNECT = 4, 1063a65ef215SHans Petter Selasky PCI_ERS_RESULT_RECOVERED = 5, 10648d59ecb2SHans Petter Selasky }; 10658d59ecb2SHans Petter Selasky 10668d59ecb2SHans Petter Selasky /* PCI bus error event callbacks */ 10678d59ecb2SHans Petter Selasky struct pci_error_handlers { 10688d59ecb2SHans Petter Selasky pci_ers_result_t (*error_detected)(struct pci_dev *dev, 10698d59ecb2SHans Petter Selasky enum pci_channel_state error); 10708d59ecb2SHans Petter Selasky pci_ers_result_t (*mmio_enabled)(struct pci_dev *dev); 10718d59ecb2SHans Petter Selasky pci_ers_result_t (*link_reset)(struct pci_dev *dev); 10728d59ecb2SHans Petter Selasky pci_ers_result_t (*slot_reset)(struct pci_dev *dev); 10738d59ecb2SHans Petter Selasky void (*resume)(struct pci_dev *dev); 10748d59ecb2SHans Petter Selasky }; 10758d59ecb2SHans Petter Selasky 1076a65ef215SHans Petter Selasky /* FreeBSD does not support SRIOV - yet */ 10778d59ecb2SHans Petter Selasky static inline struct pci_dev *pci_physfn(struct pci_dev *dev) 10788d59ecb2SHans Petter Selasky { 10798d59ecb2SHans Petter Selasky return dev; 10808d59ecb2SHans Petter Selasky } 10818d59ecb2SHans Petter Selasky 10828d59ecb2SHans Petter Selasky static inline bool pci_is_pcie(struct pci_dev *dev) 10838d59ecb2SHans Petter Selasky { 10848d59ecb2SHans Petter Selasky return !!pci_pcie_cap(dev); 10858d59ecb2SHans Petter Selasky } 10868d59ecb2SHans Petter Selasky 10878d59ecb2SHans Petter Selasky static inline u16 pcie_flags_reg(struct pci_dev *dev) 10888d59ecb2SHans Petter Selasky { 10898d59ecb2SHans Petter Selasky int pos; 10908d59ecb2SHans Petter Selasky u16 reg16; 10918d59ecb2SHans Petter Selasky 10928d59ecb2SHans Petter Selasky pos = pci_find_capability(dev, PCI_CAP_ID_EXP); 10938d59ecb2SHans Petter Selasky if (!pos) 10948d59ecb2SHans Petter Selasky return 0; 10958d59ecb2SHans Petter Selasky 10968d59ecb2SHans Petter Selasky pci_read_config_word(dev, pos + PCI_EXP_FLAGS, ®16); 10978d59ecb2SHans Petter Selasky 10988d59ecb2SHans Petter Selasky return reg16; 10998d59ecb2SHans Petter Selasky } 11008d59ecb2SHans Petter Selasky 11018d59ecb2SHans Petter Selasky static inline int pci_pcie_type(struct pci_dev *dev) 11028d59ecb2SHans Petter Selasky { 11038d59ecb2SHans Petter Selasky return (pcie_flags_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4; 11048d59ecb2SHans Petter Selasky } 11058d59ecb2SHans Petter Selasky 11068d59ecb2SHans Petter Selasky static inline int pcie_cap_version(struct pci_dev *dev) 11078d59ecb2SHans Petter Selasky { 11088d59ecb2SHans Petter Selasky return pcie_flags_reg(dev) & PCI_EXP_FLAGS_VERS; 11098d59ecb2SHans Petter Selasky } 11108d59ecb2SHans Petter Selasky 11118d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_lnkctl(struct pci_dev *dev) 11128d59ecb2SHans Petter Selasky { 11138d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 11148d59ecb2SHans Petter Selasky 11158d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1 || 11168d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ROOT_PORT || 11178d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ENDPOINT || 11188d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_LEG_END; 11198d59ecb2SHans Petter Selasky } 11208d59ecb2SHans Petter Selasky 11218d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_devctl(const struct pci_dev *dev) 11228d59ecb2SHans Petter Selasky { 11238d59ecb2SHans Petter Selasky return true; 11248d59ecb2SHans Petter Selasky } 11258d59ecb2SHans Petter Selasky 11268d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_sltctl(struct pci_dev *dev) 11278d59ecb2SHans Petter Selasky { 11288d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 11298d59ecb2SHans Petter Selasky 113083630517SEd Maste return pcie_cap_version(dev) > 1 || type == PCI_EXP_TYPE_ROOT_PORT || 11318d59ecb2SHans Petter Selasky (type == PCI_EXP_TYPE_DOWNSTREAM && 11328d59ecb2SHans Petter Selasky pcie_flags_reg(dev) & PCI_EXP_FLAGS_SLOT); 11338d59ecb2SHans Petter Selasky } 11348d59ecb2SHans Petter Selasky 11358d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_rtctl(struct pci_dev *dev) 11368d59ecb2SHans Petter Selasky { 11378d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 11388d59ecb2SHans Petter Selasky 113983630517SEd Maste return pcie_cap_version(dev) > 1 || type == PCI_EXP_TYPE_ROOT_PORT || 11408d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_RC_EC; 11418d59ecb2SHans Petter Selasky } 11428d59ecb2SHans Petter Selasky 11438d59ecb2SHans Petter Selasky static bool pcie_capability_reg_implemented(struct pci_dev *dev, int pos) 11448d59ecb2SHans Petter Selasky { 11458d59ecb2SHans Petter Selasky if (!pci_is_pcie(dev)) 11468d59ecb2SHans Petter Selasky return false; 11478d59ecb2SHans Petter Selasky 11488d59ecb2SHans Petter Selasky switch (pos) { 11498d59ecb2SHans Petter Selasky case PCI_EXP_FLAGS_TYPE: 11508d59ecb2SHans Petter Selasky return true; 11518d59ecb2SHans Petter Selasky case PCI_EXP_DEVCAP: 11528d59ecb2SHans Petter Selasky case PCI_EXP_DEVCTL: 11538d59ecb2SHans Petter Selasky case PCI_EXP_DEVSTA: 11548d59ecb2SHans Petter Selasky return pcie_cap_has_devctl(dev); 11558d59ecb2SHans Petter Selasky case PCI_EXP_LNKCAP: 11568d59ecb2SHans Petter Selasky case PCI_EXP_LNKCTL: 11578d59ecb2SHans Petter Selasky case PCI_EXP_LNKSTA: 11588d59ecb2SHans Petter Selasky return pcie_cap_has_lnkctl(dev); 11598d59ecb2SHans Petter Selasky case PCI_EXP_SLTCAP: 11608d59ecb2SHans Petter Selasky case PCI_EXP_SLTCTL: 11618d59ecb2SHans Petter Selasky case PCI_EXP_SLTSTA: 11628d59ecb2SHans Petter Selasky return pcie_cap_has_sltctl(dev); 11638d59ecb2SHans Petter Selasky case PCI_EXP_RTCTL: 11648d59ecb2SHans Petter Selasky case PCI_EXP_RTCAP: 11658d59ecb2SHans Petter Selasky case PCI_EXP_RTSTA: 11668d59ecb2SHans Petter Selasky return pcie_cap_has_rtctl(dev); 11678d59ecb2SHans Petter Selasky case PCI_EXP_DEVCAP2: 11688d59ecb2SHans Petter Selasky case PCI_EXP_DEVCTL2: 11698d59ecb2SHans Petter Selasky case PCI_EXP_LNKCAP2: 11708d59ecb2SHans Petter Selasky case PCI_EXP_LNKCTL2: 11718d59ecb2SHans Petter Selasky case PCI_EXP_LNKSTA2: 11728d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1; 11738d59ecb2SHans Petter Selasky default: 11748d59ecb2SHans Petter Selasky return false; 11758d59ecb2SHans Petter Selasky } 11768d59ecb2SHans Petter Selasky } 11778d59ecb2SHans Petter Selasky 117812af734dSHans Petter Selasky static inline int 117912af734dSHans Petter Selasky pcie_capability_read_dword(struct pci_dev *dev, int pos, u32 *dst) 1180a65ef215SHans Petter Selasky { 11810e8953b9SBjoern A. Zeeb *dst = 0; 1182a65ef215SHans Petter Selasky if (pos & 3) 1183a65ef215SHans Petter Selasky return -EINVAL; 1184a65ef215SHans Petter Selasky 1185a65ef215SHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 1186a65ef215SHans Petter Selasky return -EINVAL; 1187a65ef215SHans Petter Selasky 1188a65ef215SHans Petter Selasky return pci_read_config_dword(dev, pci_pcie_cap(dev) + pos, dst); 1189a65ef215SHans Petter Selasky } 11908d59ecb2SHans Petter Selasky 119112af734dSHans Petter Selasky static inline int 119212af734dSHans Petter Selasky pcie_capability_read_word(struct pci_dev *dev, int pos, u16 *dst) 119312af734dSHans Petter Selasky { 11940e8953b9SBjoern A. Zeeb *dst = 0; 119512af734dSHans Petter Selasky if (pos & 3) 119612af734dSHans Petter Selasky return -EINVAL; 119712af734dSHans Petter Selasky 119812af734dSHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 119912af734dSHans Petter Selasky return -EINVAL; 120012af734dSHans Petter Selasky 120112af734dSHans Petter Selasky return pci_read_config_word(dev, pci_pcie_cap(dev) + pos, dst); 120212af734dSHans Petter Selasky } 120312af734dSHans Petter Selasky 120412af734dSHans Petter Selasky static inline int 120512af734dSHans Petter Selasky pcie_capability_write_word(struct pci_dev *dev, int pos, u16 val) 12068d59ecb2SHans Petter Selasky { 12078d59ecb2SHans Petter Selasky if (pos & 1) 12088d59ecb2SHans Petter Selasky return -EINVAL; 12098d59ecb2SHans Petter Selasky 12108d59ecb2SHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 12118d59ecb2SHans Petter Selasky return 0; 12128d59ecb2SHans Petter Selasky 12138d59ecb2SHans Petter Selasky return pci_write_config_word(dev, pci_pcie_cap(dev) + pos, val); 12148d59ecb2SHans Petter Selasky } 12158d59ecb2SHans Petter Selasky 121685eb99f9SBjoern A. Zeeb static inline int 121785eb99f9SBjoern A. Zeeb pcie_capability_set_word(struct pci_dev *dev, int pos, uint16_t val) 121885eb99f9SBjoern A. Zeeb { 121985eb99f9SBjoern A. Zeeb int error; 122085eb99f9SBjoern A. Zeeb uint16_t v; 122185eb99f9SBjoern A. Zeeb 122285eb99f9SBjoern A. Zeeb error = pcie_capability_read_word(dev, pos, &v); 122385eb99f9SBjoern A. Zeeb if (error != 0) 122485eb99f9SBjoern A. Zeeb return (error); 122585eb99f9SBjoern A. Zeeb 122685eb99f9SBjoern A. Zeeb v |= val; 122785eb99f9SBjoern A. Zeeb 122885eb99f9SBjoern A. Zeeb error = pcie_capability_write_word(dev, pos, v); 122985eb99f9SBjoern A. Zeeb return (error); 123085eb99f9SBjoern A. Zeeb } 123185eb99f9SBjoern A. Zeeb 1232c41d8354SBjoern A. Zeeb static inline int 1233c41d8354SBjoern A. Zeeb pcie_capability_clear_word(struct pci_dev *dev, int pos, uint16_t val) 1234c41d8354SBjoern A. Zeeb { 1235c41d8354SBjoern A. Zeeb int error; 1236c41d8354SBjoern A. Zeeb uint16_t v; 1237c41d8354SBjoern A. Zeeb 1238c41d8354SBjoern A. Zeeb error = pcie_capability_read_word(dev, pos, &v); 1239c41d8354SBjoern A. Zeeb if (error != 0) 1240c41d8354SBjoern A. Zeeb return (error); 1241c41d8354SBjoern A. Zeeb 1242c41d8354SBjoern A. Zeeb v &= ~val; 1243c41d8354SBjoern A. Zeeb 1244c41d8354SBjoern A. Zeeb error = pcie_capability_write_word(dev, pos, v); 1245c41d8354SBjoern A. Zeeb return (error); 1246c41d8354SBjoern A. Zeeb } 1247c41d8354SBjoern A. Zeeb 1248a65ef215SHans Petter Selasky static inline int pcie_get_minimum_link(struct pci_dev *dev, 1249a65ef215SHans Petter Selasky enum pci_bus_speed *speed, enum pcie_link_width *width) 1250a65ef215SHans Petter Selasky { 1251a65ef215SHans Petter Selasky *speed = PCI_SPEED_UNKNOWN; 1252a65ef215SHans Petter Selasky *width = PCIE_LNK_WIDTH_UNKNOWN; 1253a65ef215SHans Petter Selasky return (0); 1254a65ef215SHans Petter Selasky } 1255a65ef215SHans Petter Selasky 1256a65ef215SHans Petter Selasky static inline int 1257a65ef215SHans Petter Selasky pci_num_vf(struct pci_dev *dev) 1258a65ef215SHans Petter Selasky { 1259a65ef215SHans Petter Selasky return (0); 1260a65ef215SHans Petter Selasky } 1261a65ef215SHans Petter Selasky 1262ab62989aSHans Petter Selasky static inline enum pci_bus_speed 1263ab62989aSHans Petter Selasky pcie_get_speed_cap(struct pci_dev *dev) 1264ab62989aSHans Petter Selasky { 1265ab62989aSHans Petter Selasky device_t root; 1266ab62989aSHans Petter Selasky uint32_t lnkcap, lnkcap2; 1267ab62989aSHans Petter Selasky int error, pos; 1268ab62989aSHans Petter Selasky 1269ab62989aSHans Petter Selasky root = device_get_parent(dev->dev.bsddev); 1270ab62989aSHans Petter Selasky if (root == NULL) 1271ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1272ab62989aSHans Petter Selasky root = device_get_parent(root); 1273ab62989aSHans Petter Selasky if (root == NULL) 1274ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1275ab62989aSHans Petter Selasky root = device_get_parent(root); 1276ab62989aSHans Petter Selasky if (root == NULL) 1277ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1278ab62989aSHans Petter Selasky 1279ab62989aSHans Petter Selasky if (pci_get_vendor(root) == PCI_VENDOR_ID_VIA || 1280ab62989aSHans Petter Selasky pci_get_vendor(root) == PCI_VENDOR_ID_SERVERWORKS) 1281ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1282ab62989aSHans Petter Selasky 1283ab62989aSHans Petter Selasky if ((error = pci_find_cap(root, PCIY_EXPRESS, &pos)) != 0) 1284ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1285ab62989aSHans Petter Selasky 1286ab62989aSHans Petter Selasky lnkcap2 = pci_read_config(root, pos + PCIER_LINK_CAP2, 4); 1287ab62989aSHans Petter Selasky 1288ab62989aSHans Petter Selasky if (lnkcap2) { /* PCIe r3.0-compliant */ 1289ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_2_5GB) 1290ab62989aSHans Petter Selasky return (PCIE_SPEED_2_5GT); 1291ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_5_0GB) 1292ab62989aSHans Petter Selasky return (PCIE_SPEED_5_0GT); 1293ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB) 1294ab62989aSHans Petter Selasky return (PCIE_SPEED_8_0GT); 1295ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_16_0GB) 1296ab62989aSHans Petter Selasky return (PCIE_SPEED_16_0GT); 12970adc02a9SJean-Sébastien Pédron if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_32_0GB) 12980adc02a9SJean-Sébastien Pédron return (PCIE_SPEED_32_0GT); 12990adc02a9SJean-Sébastien Pédron if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_64_0GB) 13000adc02a9SJean-Sébastien Pédron return (PCIE_SPEED_64_0GT); 1301ab62989aSHans Petter Selasky } else { /* pre-r3.0 */ 1302ab62989aSHans Petter Selasky lnkcap = pci_read_config(root, pos + PCIER_LINK_CAP, 4); 1303ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_2_5GB) 1304ab62989aSHans Petter Selasky return (PCIE_SPEED_2_5GT); 1305ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_5_0GB) 1306ab62989aSHans Petter Selasky return (PCIE_SPEED_5_0GT); 1307ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_8_0GB) 1308ab62989aSHans Petter Selasky return (PCIE_SPEED_8_0GT); 1309ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_16_0GB) 1310ab62989aSHans Petter Selasky return (PCIE_SPEED_16_0GT); 13110adc02a9SJean-Sébastien Pédron if (lnkcap & PCI_EXP_LNKCAP_SLS_32_0GB) 13120adc02a9SJean-Sébastien Pédron return (PCIE_SPEED_32_0GT); 13130adc02a9SJean-Sébastien Pédron if (lnkcap & PCI_EXP_LNKCAP_SLS_64_0GB) 13140adc02a9SJean-Sébastien Pédron return (PCIE_SPEED_64_0GT); 1315ab62989aSHans Petter Selasky } 1316ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1317ab62989aSHans Petter Selasky } 1318ab62989aSHans Petter Selasky 1319ab62989aSHans Petter Selasky static inline enum pcie_link_width 1320ab62989aSHans Petter Selasky pcie_get_width_cap(struct pci_dev *dev) 1321ab62989aSHans Petter Selasky { 1322ab62989aSHans Petter Selasky uint32_t lnkcap; 1323ab62989aSHans Petter Selasky 1324ab62989aSHans Petter Selasky pcie_capability_read_dword(dev, PCI_EXP_LNKCAP, &lnkcap); 1325ab62989aSHans Petter Selasky if (lnkcap) 1326ab62989aSHans Petter Selasky return ((lnkcap & PCI_EXP_LNKCAP_MLW) >> 4); 1327ab62989aSHans Petter Selasky 1328ab62989aSHans Petter Selasky return (PCIE_LNK_WIDTH_UNKNOWN); 1329ab62989aSHans Petter Selasky } 1330ab62989aSHans Petter Selasky 1331b4edb17cSHans Petter Selasky static inline int 1332b4edb17cSHans Petter Selasky pcie_get_mps(struct pci_dev *dev) 1333b4edb17cSHans Petter Selasky { 1334b4edb17cSHans Petter Selasky return (pci_get_max_payload(dev->dev.bsddev)); 1335b4edb17cSHans Petter Selasky } 1336b4edb17cSHans Petter Selasky 1337b4edb17cSHans Petter Selasky static inline uint32_t 1338b4edb17cSHans Petter Selasky PCIE_SPEED2MBS_ENC(enum pci_bus_speed spd) 1339b4edb17cSHans Petter Selasky { 1340b4edb17cSHans Petter Selasky 1341b4edb17cSHans Petter Selasky switch(spd) { 13420adc02a9SJean-Sébastien Pédron case PCIE_SPEED_64_0GT: 13430adc02a9SJean-Sébastien Pédron return (64000 * 128 / 130); 13440adc02a9SJean-Sébastien Pédron case PCIE_SPEED_32_0GT: 13450adc02a9SJean-Sébastien Pédron return (32000 * 128 / 130); 1346b4edb17cSHans Petter Selasky case PCIE_SPEED_16_0GT: 1347b4edb17cSHans Petter Selasky return (16000 * 128 / 130); 1348b4edb17cSHans Petter Selasky case PCIE_SPEED_8_0GT: 1349b4edb17cSHans Petter Selasky return (8000 * 128 / 130); 1350b4edb17cSHans Petter Selasky case PCIE_SPEED_5_0GT: 1351b4edb17cSHans Petter Selasky return (5000 * 8 / 10); 1352b4edb17cSHans Petter Selasky case PCIE_SPEED_2_5GT: 1353b4edb17cSHans Petter Selasky return (2500 * 8 / 10); 1354b4edb17cSHans Petter Selasky default: 1355b4edb17cSHans Petter Selasky return (0); 1356b4edb17cSHans Petter Selasky } 1357b4edb17cSHans Petter Selasky } 1358b4edb17cSHans Petter Selasky 1359b4edb17cSHans Petter Selasky static inline uint32_t 1360b4edb17cSHans Petter Selasky pcie_bandwidth_available(struct pci_dev *pdev, 1361b4edb17cSHans Petter Selasky struct pci_dev **limiting, 1362b4edb17cSHans Petter Selasky enum pci_bus_speed *speed, 1363b4edb17cSHans Petter Selasky enum pcie_link_width *width) 1364b4edb17cSHans Petter Selasky { 1365b4edb17cSHans Petter Selasky enum pci_bus_speed nspeed = pcie_get_speed_cap(pdev); 1366b4edb17cSHans Petter Selasky enum pcie_link_width nwidth = pcie_get_width_cap(pdev); 1367b4edb17cSHans Petter Selasky 1368b4edb17cSHans Petter Selasky if (speed) 1369b4edb17cSHans Petter Selasky *speed = nspeed; 1370b4edb17cSHans Petter Selasky if (width) 1371b4edb17cSHans Petter Selasky *width = nwidth; 1372b4edb17cSHans Petter Selasky 1373b4edb17cSHans Petter Selasky return (nwidth * PCIE_SPEED2MBS_ENC(nspeed)); 1374b4edb17cSHans Petter Selasky } 1375b4edb17cSHans Petter Selasky 1376af19988fSJean-Sébastien Pédron static inline bool 1377af19988fSJean-Sébastien Pédron pcie_aspm_enabled(struct pci_dev *pdev) 1378af19988fSJean-Sébastien Pédron { 1379af19988fSJean-Sébastien Pédron return (false); 1380af19988fSJean-Sébastien Pédron } 1381af19988fSJean-Sébastien Pédron 13828e106c52SBjoern A. Zeeb static inline struct pci_dev * 13838e106c52SBjoern A. Zeeb pcie_find_root_port(struct pci_dev *pdev) 13848e106c52SBjoern A. Zeeb { 13858e106c52SBjoern A. Zeeb device_t root; 13868e106c52SBjoern A. Zeeb 13878e106c52SBjoern A. Zeeb if (pdev->root != NULL) 13888e106c52SBjoern A. Zeeb return (pdev->root); 13898e106c52SBjoern A. Zeeb 13908e106c52SBjoern A. Zeeb root = pci_find_pcie_root_port(pdev->dev.bsddev); 13918e106c52SBjoern A. Zeeb if (root == NULL) 13928e106c52SBjoern A. Zeeb return (NULL); 13938e106c52SBjoern A. Zeeb 13948e106c52SBjoern A. Zeeb pdev->root = lkpinew_pci_dev(root); 13958e106c52SBjoern A. Zeeb return (pdev->root); 13968e106c52SBjoern A. Zeeb } 13978e106c52SBjoern A. Zeeb 13988e106c52SBjoern A. Zeeb /* This is needed when people rip out the device "HotPlug". */ 13998e106c52SBjoern A. Zeeb static inline void 14008e106c52SBjoern A. Zeeb pci_lock_rescan_remove(void) 14018e106c52SBjoern A. Zeeb { 14028e106c52SBjoern A. Zeeb } 14038e106c52SBjoern A. Zeeb 14048e106c52SBjoern A. Zeeb static inline void 14058e106c52SBjoern A. Zeeb pci_unlock_rescan_remove(void) 14068e106c52SBjoern A. Zeeb { 14078e106c52SBjoern A. Zeeb } 14088e106c52SBjoern A. Zeeb 14098e106c52SBjoern A. Zeeb static __inline void 14108e106c52SBjoern A. Zeeb pci_stop_and_remove_bus_device(struct pci_dev *pdev) 14118e106c52SBjoern A. Zeeb { 14128e106c52SBjoern A. Zeeb } 14138e106c52SBjoern A. Zeeb 1414253dbe74SHans Petter Selasky /* 1415253dbe74SHans Petter Selasky * The following functions can be used to attach/detach the LinuxKPI's 1416253dbe74SHans Petter Selasky * PCI device runtime. The pci_driver and pci_device_id pointer is 1417253dbe74SHans Petter Selasky * allowed to be NULL. Other pointers must be all valid. 1418253dbe74SHans Petter Selasky * The pci_dev structure should be zero-initialized before passed 1419253dbe74SHans Petter Selasky * to the linux_pci_attach_device function. 1420253dbe74SHans Petter Selasky */ 1421253dbe74SHans Petter Selasky extern int linux_pci_attach_device(device_t, struct pci_driver *, 1422253dbe74SHans Petter Selasky const struct pci_device_id *, struct pci_dev *); 1423253dbe74SHans Petter Selasky extern int linux_pci_detach_device(struct pci_dev *); 1424253dbe74SHans Petter Selasky 14255e30a739SEmmanuel Vadot static inline int 14265e30a739SEmmanuel Vadot pci_dev_present(const struct pci_device_id *cur) 14275e30a739SEmmanuel Vadot { 14285e30a739SEmmanuel Vadot while (cur != NULL && (cur->vendor || cur->device)) { 14295e30a739SEmmanuel Vadot if (pci_find_device(cur->vendor, cur->device) != NULL) { 14305e30a739SEmmanuel Vadot return (1); 14315e30a739SEmmanuel Vadot } 14325e30a739SEmmanuel Vadot cur++; 14335e30a739SEmmanuel Vadot } 14345e30a739SEmmanuel Vadot return (0); 14355e30a739SEmmanuel Vadot } 14365e30a739SEmmanuel Vadot 1437105a37caSEmmanuel Vadot struct pci_dev *lkpi_pci_get_domain_bus_and_slot(int domain, 1438105a37caSEmmanuel Vadot unsigned int bus, unsigned int devfn); 1439105a37caSEmmanuel Vadot #define pci_get_domain_bus_and_slot(domain, bus, devfn) \ 1440105a37caSEmmanuel Vadot lkpi_pci_get_domain_bus_and_slot(domain, bus, devfn) 1441105a37caSEmmanuel Vadot 1442105a37caSEmmanuel Vadot static inline int 1443105a37caSEmmanuel Vadot pci_domain_nr(struct pci_bus *pbus) 1444105a37caSEmmanuel Vadot { 1445105a37caSEmmanuel Vadot 14461fac2cb4SBjoern A. Zeeb return (pbus->domain); 1447105a37caSEmmanuel Vadot } 1448105a37caSEmmanuel Vadot 1449105a37caSEmmanuel Vadot static inline int 1450105a37caSEmmanuel Vadot pci_bus_read_config(struct pci_bus *bus, unsigned int devfn, 1451105a37caSEmmanuel Vadot int pos, uint32_t *val, int len) 1452105a37caSEmmanuel Vadot { 1453105a37caSEmmanuel Vadot 1454105a37caSEmmanuel Vadot *val = pci_read_config(bus->self->dev.bsddev, pos, len); 1455105a37caSEmmanuel Vadot return (0); 1456105a37caSEmmanuel Vadot } 1457105a37caSEmmanuel Vadot 1458105a37caSEmmanuel Vadot static inline int 1459105a37caSEmmanuel Vadot pci_bus_read_config_word(struct pci_bus *bus, unsigned int devfn, int pos, u16 *val) 1460105a37caSEmmanuel Vadot { 1461105a37caSEmmanuel Vadot uint32_t tmp; 1462105a37caSEmmanuel Vadot int ret; 1463105a37caSEmmanuel Vadot 1464105a37caSEmmanuel Vadot ret = pci_bus_read_config(bus, devfn, pos, &tmp, 2); 1465105a37caSEmmanuel Vadot *val = (u16)tmp; 1466105a37caSEmmanuel Vadot return (ret); 1467105a37caSEmmanuel Vadot } 1468105a37caSEmmanuel Vadot 1469105a37caSEmmanuel Vadot static inline int 1470105a37caSEmmanuel Vadot pci_bus_read_config_byte(struct pci_bus *bus, unsigned int devfn, int pos, u8 *val) 1471105a37caSEmmanuel Vadot { 1472105a37caSEmmanuel Vadot uint32_t tmp; 1473105a37caSEmmanuel Vadot int ret; 1474105a37caSEmmanuel Vadot 1475105a37caSEmmanuel Vadot ret = pci_bus_read_config(bus, devfn, pos, &tmp, 1); 1476105a37caSEmmanuel Vadot *val = (u8)tmp; 1477105a37caSEmmanuel Vadot return (ret); 1478105a37caSEmmanuel Vadot } 1479105a37caSEmmanuel Vadot 1480105a37caSEmmanuel Vadot static inline int 1481105a37caSEmmanuel Vadot pci_bus_write_config(struct pci_bus *bus, unsigned int devfn, int pos, 1482105a37caSEmmanuel Vadot uint32_t val, int size) 1483105a37caSEmmanuel Vadot { 1484105a37caSEmmanuel Vadot 1485105a37caSEmmanuel Vadot pci_write_config(bus->self->dev.bsddev, pos, val, size); 1486105a37caSEmmanuel Vadot return (0); 1487105a37caSEmmanuel Vadot } 1488105a37caSEmmanuel Vadot 1489105a37caSEmmanuel Vadot static inline int 1490105a37caSEmmanuel Vadot pci_bus_write_config_byte(struct pci_bus *bus, unsigned int devfn, int pos, 1491105a37caSEmmanuel Vadot uint8_t val) 1492105a37caSEmmanuel Vadot { 1493105a37caSEmmanuel Vadot return (pci_bus_write_config(bus, devfn, pos, val, 1)); 1494105a37caSEmmanuel Vadot } 1495105a37caSEmmanuel Vadot 1496105a37caSEmmanuel Vadot static inline int 1497105a37caSEmmanuel Vadot pci_bus_write_config_word(struct pci_bus *bus, unsigned int devfn, int pos, 1498105a37caSEmmanuel Vadot uint16_t val) 1499105a37caSEmmanuel Vadot { 1500105a37caSEmmanuel Vadot return (pci_bus_write_config(bus, devfn, pos, val, 2)); 1501105a37caSEmmanuel Vadot } 1502105a37caSEmmanuel Vadot 1503105a37caSEmmanuel Vadot struct pci_dev *lkpi_pci_get_class(unsigned int class, struct pci_dev *from); 1504105a37caSEmmanuel Vadot #define pci_get_class(class, from) lkpi_pci_get_class(class, from) 1505105a37caSEmmanuel Vadot 1506d4a4960cSBjoern A. Zeeb /* -------------------------------------------------------------------------- */ 1507d4a4960cSBjoern A. Zeeb 1508d4a4960cSBjoern A. Zeeb static inline int 1509d4a4960cSBjoern A. Zeeb pcim_enable_device(struct pci_dev *pdev) 1510d4a4960cSBjoern A. Zeeb { 1511d4a4960cSBjoern A. Zeeb struct pci_devres *dr; 1512d4a4960cSBjoern A. Zeeb int error; 1513d4a4960cSBjoern A. Zeeb 1514d4a4960cSBjoern A. Zeeb /* Here we cannot run through the pdev->managed check. */ 1515d4a4960cSBjoern A. Zeeb dr = lkpi_pci_devres_get_alloc(pdev); 1516d4a4960cSBjoern A. Zeeb if (dr == NULL) 1517d4a4960cSBjoern A. Zeeb return (-ENOMEM); 1518d4a4960cSBjoern A. Zeeb 1519d4a4960cSBjoern A. Zeeb /* If resources were enabled before do not do it again. */ 1520d4a4960cSBjoern A. Zeeb if (dr->enable_io) 1521d4a4960cSBjoern A. Zeeb return (0); 1522d4a4960cSBjoern A. Zeeb 1523d4a4960cSBjoern A. Zeeb error = pci_enable_device(pdev); 1524d4a4960cSBjoern A. Zeeb if (error == 0) 1525d4a4960cSBjoern A. Zeeb dr->enable_io = true; 1526d4a4960cSBjoern A. Zeeb 1527d4a4960cSBjoern A. Zeeb /* This device is not managed. */ 1528d4a4960cSBjoern A. Zeeb pdev->managed = true; 1529d4a4960cSBjoern A. Zeeb 1530d4a4960cSBjoern A. Zeeb return (error); 1531d4a4960cSBjoern A. Zeeb } 1532d4a4960cSBjoern A. Zeeb 1533d4a4960cSBjoern A. Zeeb static inline void __iomem ** 1534d4a4960cSBjoern A. Zeeb pcim_iomap_table(struct pci_dev *pdev) 1535d4a4960cSBjoern A. Zeeb { 1536d4a4960cSBjoern A. Zeeb struct pcim_iomap_devres *dr; 1537d4a4960cSBjoern A. Zeeb 1538d4a4960cSBjoern A. Zeeb dr = lkpi_pcim_iomap_devres_find(pdev); 1539d4a4960cSBjoern A. Zeeb if (dr == NULL) 1540d4a4960cSBjoern A. Zeeb return (NULL); 1541d4a4960cSBjoern A. Zeeb 1542d4a4960cSBjoern A. Zeeb /* 1543d4a4960cSBjoern A. Zeeb * If the driver has manually set a flag to be able to request the 1544d4a4960cSBjoern A. Zeeb * resource to use bus_read/write_<n>, return the shadow table. 1545d4a4960cSBjoern A. Zeeb */ 1546d4a4960cSBjoern A. Zeeb if (pdev->want_iomap_res) 1547d4a4960cSBjoern A. Zeeb return ((void **)dr->res_table); 1548d4a4960cSBjoern A. Zeeb 1549d4a4960cSBjoern A. Zeeb /* This is the Linux default. */ 1550d4a4960cSBjoern A. Zeeb return (dr->mmio_table); 1551d4a4960cSBjoern A. Zeeb } 1552d4a4960cSBjoern A. Zeeb 1553d4a4960cSBjoern A. Zeeb static inline int 155430048f61SBjoern A. Zeeb pcim_iomap_regions(struct pci_dev *pdev, uint32_t mask, const char *name) 1555d4a4960cSBjoern A. Zeeb { 1556d4a4960cSBjoern A. Zeeb struct pcim_iomap_devres *dr; 1557d4a4960cSBjoern A. Zeeb void *res; 155830048f61SBjoern A. Zeeb uint32_t mappings; 155930048f61SBjoern A. Zeeb int bar; 1560d4a4960cSBjoern A. Zeeb 1561d4a4960cSBjoern A. Zeeb dr = lkpi_pcim_iomap_devres_find(pdev); 1562d4a4960cSBjoern A. Zeeb if (dr == NULL) 1563d4a4960cSBjoern A. Zeeb return (-ENOMEM); 1564d4a4960cSBjoern A. Zeeb 1565d4a4960cSBjoern A. Zeeb /* Now iomap all the requested (by "mask") ones. */ 1566d4a4960cSBjoern A. Zeeb for (bar = mappings = 0; mappings != mask; bar++) { 1567d4a4960cSBjoern A. Zeeb if ((mask & (1 << bar)) == 0) 1568d4a4960cSBjoern A. Zeeb continue; 1569d4a4960cSBjoern A. Zeeb 1570d4a4960cSBjoern A. Zeeb /* Request double is not allowed. */ 1571d4a4960cSBjoern A. Zeeb if (dr->mmio_table[bar] != NULL) { 1572d4a4960cSBjoern A. Zeeb device_printf(pdev->dev.bsddev, "%s: bar %d %p\n", 1573d4a4960cSBjoern A. Zeeb __func__, bar, dr->mmio_table[bar]); 1574d4a4960cSBjoern A. Zeeb goto err; 1575d4a4960cSBjoern A. Zeeb } 1576d4a4960cSBjoern A. Zeeb 1577d4a4960cSBjoern A. Zeeb res = _lkpi_pci_iomap(pdev, bar, 0); 1578d4a4960cSBjoern A. Zeeb if (res == NULL) 1579d4a4960cSBjoern A. Zeeb goto err; 1580d4a4960cSBjoern A. Zeeb dr->mmio_table[bar] = (void *)rman_get_bushandle(res); 1581d4a4960cSBjoern A. Zeeb dr->res_table[bar] = res; 1582d4a4960cSBjoern A. Zeeb 1583d4a4960cSBjoern A. Zeeb mappings |= (1 << bar); 1584d4a4960cSBjoern A. Zeeb } 1585d4a4960cSBjoern A. Zeeb 1586d4a4960cSBjoern A. Zeeb return (0); 1587d4a4960cSBjoern A. Zeeb err: 1588d4a4960cSBjoern A. Zeeb for (bar = PCIR_MAX_BAR_0; bar >= 0; bar--) { 1589d4a4960cSBjoern A. Zeeb if ((mappings & (1 << bar)) != 0) { 1590d4a4960cSBjoern A. Zeeb res = dr->mmio_table[bar]; 1591d4a4960cSBjoern A. Zeeb if (res == NULL) 1592d4a4960cSBjoern A. Zeeb continue; 1593d4a4960cSBjoern A. Zeeb pci_iounmap(pdev, res); 1594d4a4960cSBjoern A. Zeeb } 1595d4a4960cSBjoern A. Zeeb } 1596d4a4960cSBjoern A. Zeeb 1597d4a4960cSBjoern A. Zeeb return (-EINVAL); 1598d4a4960cSBjoern A. Zeeb } 1599d4a4960cSBjoern A. Zeeb 160030048f61SBjoern A. Zeeb static inline int 160130048f61SBjoern A. Zeeb pcim_iomap_regions_request_all(struct pci_dev *pdev, uint32_t mask, char *name) 160230048f61SBjoern A. Zeeb { 160330048f61SBjoern A. Zeeb uint32_t requests, req_mask; 160430048f61SBjoern A. Zeeb int bar, error; 160530048f61SBjoern A. Zeeb 160630048f61SBjoern A. Zeeb /* Request all the BARs ("regions") we do not iomap. */ 160730048f61SBjoern A. Zeeb req_mask = ((1 << (PCIR_MAX_BAR_0 + 1)) - 1) & ~mask; 160830048f61SBjoern A. Zeeb for (bar = requests = 0; requests != req_mask; bar++) { 160930048f61SBjoern A. Zeeb if ((req_mask & (1 << bar)) == 0) 161030048f61SBjoern A. Zeeb continue; 161130048f61SBjoern A. Zeeb error = pci_request_region(pdev, bar, name); 161230048f61SBjoern A. Zeeb if (error != 0 && error != -ENODEV) 161330048f61SBjoern A. Zeeb goto err; 161430048f61SBjoern A. Zeeb requests |= (1 << bar); 161530048f61SBjoern A. Zeeb } 161630048f61SBjoern A. Zeeb 161730048f61SBjoern A. Zeeb error = pcim_iomap_regions(pdev, mask, name); 161830048f61SBjoern A. Zeeb if (error != 0) 161930048f61SBjoern A. Zeeb goto err; 162030048f61SBjoern A. Zeeb 162130048f61SBjoern A. Zeeb return (0); 162230048f61SBjoern A. Zeeb 162330048f61SBjoern A. Zeeb err: 162430048f61SBjoern A. Zeeb for (bar = PCIR_MAX_BAR_0; bar >= 0; bar--) { 162530048f61SBjoern A. Zeeb if ((requests & (1 << bar)) != 0) 162630048f61SBjoern A. Zeeb pci_release_region(pdev, bar); 162730048f61SBjoern A. Zeeb } 162830048f61SBjoern A. Zeeb 162930048f61SBjoern A. Zeeb return (-EINVAL); 163030048f61SBjoern A. Zeeb } 163130048f61SBjoern A. Zeeb 16328f61992dSBjoern A. Zeeb /* 16338f61992dSBjoern A. Zeeb * We cannot simply re-define pci_get_device() as we would normally do 16348f61992dSBjoern A. Zeeb * and then hide it in linux_pci.c as too many semi-native drivers still 1635b15491b4SBjoern A. Zeeb * include linux/pci.h and run into the conflict with native PCI. Linux drivers 16368f61992dSBjoern A. Zeeb * using pci_get_device() need to be changed to call linuxkpi_pci_get_device(). 16378f61992dSBjoern A. Zeeb */ 16388f61992dSBjoern A. Zeeb static inline struct pci_dev * 16398f61992dSBjoern A. Zeeb linuxkpi_pci_get_device(uint16_t vendor, uint16_t device, struct pci_dev *odev) 16408f61992dSBjoern A. Zeeb { 16418f61992dSBjoern A. Zeeb 16428f61992dSBjoern A. Zeeb return (lkpi_pci_get_device(vendor, device, odev)); 16438f61992dSBjoern A. Zeeb } 16448f61992dSBjoern A. Zeeb 1645d4a4960cSBjoern A. Zeeb /* This is a FreeBSD extension so we can use bus_*(). */ 1646d4a4960cSBjoern A. Zeeb static inline void 1647d4a4960cSBjoern A. Zeeb linuxkpi_pcim_want_to_use_bus_functions(struct pci_dev *pdev) 1648d4a4960cSBjoern A. Zeeb { 1649d4a4960cSBjoern A. Zeeb pdev->want_iomap_res = true; 1650d4a4960cSBjoern A. Zeeb } 1651d4a4960cSBjoern A. Zeeb 16526890e327SEmmanuel Vadot static inline bool 16536890e327SEmmanuel Vadot pci_is_thunderbolt_attached(struct pci_dev *pdev) 16546890e327SEmmanuel Vadot { 16556890e327SEmmanuel Vadot 16566890e327SEmmanuel Vadot return (false); 16576890e327SEmmanuel Vadot } 16586890e327SEmmanuel Vadot 16596890e327SEmmanuel Vadot static inline void * 16606890e327SEmmanuel Vadot pci_platform_rom(struct pci_dev *pdev, size_t *size) 16616890e327SEmmanuel Vadot { 16626890e327SEmmanuel Vadot 16636890e327SEmmanuel Vadot return (NULL); 16646890e327SEmmanuel Vadot } 16656890e327SEmmanuel Vadot 16666890e327SEmmanuel Vadot static inline void 16676890e327SEmmanuel Vadot pci_ignore_hotplug(struct pci_dev *pdev) 16686890e327SEmmanuel Vadot { 16696890e327SEmmanuel Vadot } 16706890e327SEmmanuel Vadot 16714cb3cb2dSJake Freeland static inline const char * 16724cb3cb2dSJake Freeland pci_power_name(pci_power_t state) 16734cb3cb2dSJake Freeland { 16744cb3cb2dSJake Freeland int pstate = state + 1; 16754cb3cb2dSJake Freeland 16764cb3cb2dSJake Freeland if (pstate >= 0 && pstate < nitems(pci_power_names)) 16774cb3cb2dSJake Freeland return (pci_power_names[pstate]); 16784cb3cb2dSJake Freeland else 16794cb3cb2dSJake Freeland return (pci_power_names[0]); 16804cb3cb2dSJake Freeland } 16814cb3cb2dSJake Freeland 16826890e327SEmmanuel Vadot static inline int 16836890e327SEmmanuel Vadot pcie_get_readrq(struct pci_dev *dev) 16846890e327SEmmanuel Vadot { 16856890e327SEmmanuel Vadot u16 ctl; 16866890e327SEmmanuel Vadot 16876890e327SEmmanuel Vadot if (pcie_capability_read_word(dev, PCI_EXP_DEVCTL, &ctl)) 16886890e327SEmmanuel Vadot return (-EINVAL); 16896890e327SEmmanuel Vadot 16906890e327SEmmanuel Vadot return (128 << ((ctl & PCI_EXP_DEVCTL_READRQ) >> 12)); 16916890e327SEmmanuel Vadot } 16926890e327SEmmanuel Vadot 16935f2f582cSBjoern A. Zeeb static inline bool 16945f2f582cSBjoern A. Zeeb pci_is_enabled(struct pci_dev *pdev) 16955f2f582cSBjoern A. Zeeb { 16965f2f582cSBjoern A. Zeeb 16975f2f582cSBjoern A. Zeeb return ((pci_read_config(pdev->dev.bsddev, PCIR_COMMAND, 2) & 16985f2f582cSBjoern A. Zeeb PCIM_CMD_BUSMASTEREN) != 0); 16995f2f582cSBjoern A. Zeeb } 17005f2f582cSBjoern A. Zeeb 170149b6d5edSJean-Sébastien Pédron static inline int 170249b6d5edSJean-Sébastien Pédron pci_wait_for_pending_transaction(struct pci_dev *pdev) 170349b6d5edSJean-Sébastien Pédron { 170449b6d5edSJean-Sébastien Pédron 170549b6d5edSJean-Sébastien Pédron return (0); 170649b6d5edSJean-Sébastien Pédron } 170749b6d5edSJean-Sébastien Pédron 1708fd1a2f3dSBjoern A. Zeeb static inline int 1709fd1a2f3dSBjoern A. Zeeb pci_assign_resource(struct pci_dev *pdev, int bar) 1710fd1a2f3dSBjoern A. Zeeb { 1711fd1a2f3dSBjoern A. Zeeb 1712fd1a2f3dSBjoern A. Zeeb return (0); 1713fd1a2f3dSBjoern A. Zeeb } 1714fd1a2f3dSBjoern A. Zeeb 1715fd1a2f3dSBjoern A. Zeeb static inline int 1716fd1a2f3dSBjoern A. Zeeb pci_irq_vector(struct pci_dev *pdev, unsigned int vector) 1717fd1a2f3dSBjoern A. Zeeb { 1718fd1a2f3dSBjoern A. Zeeb 1719fd1a2f3dSBjoern A. Zeeb if (!pdev->msix_enabled && !pdev->msi_enabled) { 1720fd1a2f3dSBjoern A. Zeeb if (vector != 0) 1721fd1a2f3dSBjoern A. Zeeb return (-EINVAL); 1722fd1a2f3dSBjoern A. Zeeb return (pdev->irq); 1723fd1a2f3dSBjoern A. Zeeb } 1724fd1a2f3dSBjoern A. Zeeb 1725fd1a2f3dSBjoern A. Zeeb if (pdev->msix_enabled || pdev->msi_enabled) { 1726fd1a2f3dSBjoern A. Zeeb if ((pdev->dev.irq_start + vector) >= pdev->dev.irq_end) 1727fd1a2f3dSBjoern A. Zeeb return (-EINVAL); 1728fd1a2f3dSBjoern A. Zeeb return (pdev->dev.irq_start + vector); 1729fd1a2f3dSBjoern A. Zeeb } 1730fd1a2f3dSBjoern A. Zeeb 1731fd1a2f3dSBjoern A. Zeeb return (-ENXIO); 1732fd1a2f3dSBjoern A. Zeeb } 1733fd1a2f3dSBjoern A. Zeeb 1734307f78f3SVladimir Kondratyev #endif /* _LINUXKPI_LINUX_PCI_H_ */ 1735