18d59ecb2SHans Petter Selasky /*- 28d59ecb2SHans Petter Selasky * Copyright (c) 2010 Isilon Systems, Inc. 38d59ecb2SHans Petter Selasky * Copyright (c) 2010 iX Systems, Inc. 48d59ecb2SHans Petter Selasky * Copyright (c) 2010 Panasas, Inc. 5bdff61f8SHans Petter Selasky * Copyright (c) 2013-2016 Mellanox Technologies, Ltd. 68d59ecb2SHans Petter Selasky * All rights reserved. 7c41d8354SBjoern A. Zeeb * Copyright (c) 2020-2022 The FreeBSD Foundation 8d4a4960cSBjoern A. Zeeb * 9d4a4960cSBjoern A. Zeeb * Portions of this software were developed by Björn Zeeb 10d4a4960cSBjoern A. Zeeb * under sponsorship from the FreeBSD Foundation. 118d59ecb2SHans Petter Selasky * 128d59ecb2SHans Petter Selasky * Redistribution and use in source and binary forms, with or without 138d59ecb2SHans Petter Selasky * modification, are permitted provided that the following conditions 148d59ecb2SHans Petter Selasky * are met: 158d59ecb2SHans Petter Selasky * 1. Redistributions of source code must retain the above copyright 168d59ecb2SHans Petter Selasky * notice unmodified, this list of conditions, and the following 178d59ecb2SHans Petter Selasky * disclaimer. 188d59ecb2SHans Petter Selasky * 2. Redistributions in binary form must reproduce the above copyright 198d59ecb2SHans Petter Selasky * notice, this list of conditions and the following disclaimer in the 208d59ecb2SHans Petter Selasky * documentation and/or other materials provided with the distribution. 218d59ecb2SHans Petter Selasky * 228d59ecb2SHans Petter Selasky * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 238d59ecb2SHans Petter Selasky * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 248d59ecb2SHans Petter Selasky * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 258d59ecb2SHans Petter Selasky * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 268d59ecb2SHans Petter Selasky * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 278d59ecb2SHans Petter Selasky * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 288d59ecb2SHans Petter Selasky * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 298d59ecb2SHans Petter Selasky * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 308d59ecb2SHans Petter Selasky * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 318d59ecb2SHans Petter Selasky * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 328d59ecb2SHans Petter Selasky * 338d59ecb2SHans Petter Selasky * $FreeBSD$ 348d59ecb2SHans Petter Selasky */ 35307f78f3SVladimir Kondratyev #ifndef _LINUXKPI_LINUX_PCI_H_ 36307f78f3SVladimir Kondratyev #define _LINUXKPI_LINUX_PCI_H_ 378d59ecb2SHans Petter Selasky 388d59ecb2SHans Petter Selasky #define CONFIG_PCI_MSI 398d59ecb2SHans Petter Selasky 408d59ecb2SHans Petter Selasky #include <linux/types.h> 418d59ecb2SHans Petter Selasky 428d59ecb2SHans Petter Selasky #include <sys/param.h> 438d59ecb2SHans Petter Selasky #include <sys/bus.h> 445493c627SBjoern A. Zeeb #include <sys/module.h> 452928e60eSKonstantin Belousov #include <sys/nv.h> 468d59ecb2SHans Petter Selasky #include <sys/pciio.h> 478d59ecb2SHans Petter Selasky #include <sys/rman.h> 488d59ecb2SHans Petter Selasky #include <dev/pci/pcivar.h> 498d59ecb2SHans Petter Selasky #include <dev/pci/pcireg.h> 508d59ecb2SHans Petter Selasky #include <dev/pci/pci_private.h> 518d59ecb2SHans Petter Selasky 528d59ecb2SHans Petter Selasky #include <machine/resource.h> 538d59ecb2SHans Petter Selasky 548d59ecb2SHans Petter Selasky #include <linux/list.h> 558d59ecb2SHans Petter Selasky #include <linux/dmapool.h> 568d59ecb2SHans Petter Selasky #include <linux/dma-mapping.h> 578d59ecb2SHans Petter Selasky #include <linux/compiler.h> 588d59ecb2SHans Petter Selasky #include <linux/errno.h> 598d59ecb2SHans Petter Selasky #include <asm/atomic.h> 608d59ecb2SHans Petter Selasky #include <linux/device.h> 615a402a3aSBjoern A. Zeeb #include <linux/pci_ids.h> 620e981d79SBjoern A. Zeeb #include <linux/pm.h> 638d59ecb2SHans Petter Selasky 648d59ecb2SHans Petter Selasky struct pci_device_id { 658d59ecb2SHans Petter Selasky uint32_t vendor; 668d59ecb2SHans Petter Selasky uint32_t device; 678d59ecb2SHans Petter Selasky uint32_t subvendor; 688d59ecb2SHans Petter Selasky uint32_t subdevice; 696373e95eSMark Johnston uint32_t class; 708d59ecb2SHans Petter Selasky uint32_t class_mask; 718d59ecb2SHans Petter Selasky uintptr_t driver_data; 728d59ecb2SHans Petter Selasky }; 738d59ecb2SHans Petter Selasky 745493c627SBjoern A. Zeeb /* Linux has an empty element at the end of the ID table -> nitems() - 1. */ 755493c627SBjoern A. Zeeb #define MODULE_DEVICE_TABLE(_bus, _table) \ 765493c627SBjoern A. Zeeb \ 775493c627SBjoern A. Zeeb static device_method_t _ ## _bus ## _ ## _table ## _methods[] = { \ 785493c627SBjoern A. Zeeb DEVMETHOD_END \ 795493c627SBjoern A. Zeeb }; \ 805493c627SBjoern A. Zeeb \ 815493c627SBjoern A. Zeeb static driver_t _ ## _bus ## _ ## _table ## _driver = { \ 825493c627SBjoern A. Zeeb "lkpi_" #_bus #_table, \ 835493c627SBjoern A. Zeeb _ ## _bus ## _ ## _table ## _methods, \ 845493c627SBjoern A. Zeeb 0 \ 855493c627SBjoern A. Zeeb }; \ 865493c627SBjoern A. Zeeb \ 875493c627SBjoern A. Zeeb DRIVER_MODULE(lkpi_ ## _table, pci, _ ## _bus ## _ ## _table ## _driver,\ 88a65d0774SJohn Baldwin 0, 0); \ 895493c627SBjoern A. Zeeb \ 905493c627SBjoern A. Zeeb MODULE_PNP_INFO("U32:vendor;U32:device;V32:subvendor;V32:subdevice", \ 915493c627SBjoern A. Zeeb _bus, lkpi_ ## _table, _table, nitems(_table) - 1) 92ecf29cf1SMark Johnston 93232028b3SHans Petter Selasky #define PCI_ANY_ID -1U 948d59ecb2SHans Petter Selasky 958d59ecb2SHans Petter Selasky #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07)) 968d59ecb2SHans Petter Selasky #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f) 978d59ecb2SHans Petter Selasky #define PCI_FUNC(devfn) ((devfn) & 0x07) 9813a5c70bSHans Petter Selasky #define PCI_BUS_NUM(devfn) (((devfn) >> 8) & 0xff) 998d59ecb2SHans Petter Selasky 1008d59ecb2SHans Petter Selasky #define PCI_VDEVICE(_vendor, _device) \ 1018d59ecb2SHans Petter Selasky .vendor = PCI_VENDOR_ID_##_vendor, .device = (_device), \ 1028d59ecb2SHans Petter Selasky .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID 1038d59ecb2SHans Petter Selasky #define PCI_DEVICE(_vendor, _device) \ 1048d59ecb2SHans Petter Selasky .vendor = (_vendor), .device = (_device), \ 1058d59ecb2SHans Petter Selasky .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID 1068d59ecb2SHans Petter Selasky 1078d59ecb2SHans Petter Selasky #define to_pci_dev(n) container_of(n, struct pci_dev, dev) 1088d59ecb2SHans Petter Selasky 109c41d8354SBjoern A. Zeeb #define PCI_VENDOR_ID PCIR_VENDOR 110c41d8354SBjoern A. Zeeb #define PCI_DEVICE_ID PCIR_DEVICE 1118d59ecb2SHans Petter Selasky #define PCI_COMMAND PCIR_COMMAND 112fc1d8409SBjoern A. Zeeb #define PCI_COMMAND_INTX_DISABLE PCIM_CMD_INTxDIS 1138d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL /* Device Control */ 1148d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCTL PCIER_LINK_CTL /* Link Control */ 115fc1d8409SBjoern A. Zeeb #define PCI_EXP_LNKCTL_ASPM_L0S PCIEM_LINK_CTL_ASPMC_L0S 116fc1d8409SBjoern A. Zeeb #define PCI_EXP_LNKCTL_ASPM_L1 PCIEM_LINK_CTL_ASPMC_L1 117c4f52f71SBjoern A. Zeeb #define PCI_EXP_LNKCTL_ASPMC PCIEM_LINK_CTL_ASPMC 118fc1d8409SBjoern A. Zeeb #define PCI_EXP_LNKCTL_CLKREQ_EN PCIEM_LINK_CTL_ECPM /* Enable clock PM */ 119c4f52f71SBjoern A. Zeeb #define PCI_EXP_LNKCTL_HAWD PCIEM_LINK_CTL_HAWD 1208d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_TYPE PCIEM_FLAGS_TYPE /* Device/Port type */ 1218d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCAP PCIER_DEVICE_CAP /* Device capabilities */ 1228d59ecb2SHans Petter Selasky #define PCI_EXP_DEVSTA PCIER_DEVICE_STA /* Device Status */ 1238d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCAP PCIER_LINK_CAP /* Link Capabilities */ 1248d59ecb2SHans Petter Selasky #define PCI_EXP_LNKSTA PCIER_LINK_STA /* Link Status */ 1258d59ecb2SHans Petter Selasky #define PCI_EXP_SLTCAP PCIER_SLOT_CAP /* Slot Capabilities */ 1268d59ecb2SHans Petter Selasky #define PCI_EXP_SLTCTL PCIER_SLOT_CTL /* Slot Control */ 1278d59ecb2SHans Petter Selasky #define PCI_EXP_SLTSTA PCIER_SLOT_STA /* Slot Status */ 1288d59ecb2SHans Petter Selasky #define PCI_EXP_RTCTL PCIER_ROOT_CTL /* Root Control */ 1298d59ecb2SHans Petter Selasky #define PCI_EXP_RTCAP PCIER_ROOT_CAP /* Root Capabilities */ 1308d59ecb2SHans Petter Selasky #define PCI_EXP_RTSTA PCIER_ROOT_STA /* Root Status */ 1318d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCAP2 PCIER_DEVICE_CAP2 /* Device Capabilities 2 */ 1328d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCTL2 PCIER_DEVICE_CTL2 /* Device Control 2 */ 133fc1d8409SBjoern A. Zeeb #define PCI_EXP_DEVCTL2_LTR_EN PCIEM_CTL2_LTR_ENABLE 13485eb99f9SBjoern A. Zeeb #define PCI_EXP_DEVCTL2_COMP_TMOUT_DIS PCIEM_CTL2_COMP_TIMO_DISABLE 1358d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCAP2 PCIER_LINK_CAP2 /* Link Capabilities 2 */ 1368d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCTL2 PCIER_LINK_CTL2 /* Link Control 2 */ 1378d59ecb2SHans Petter Selasky #define PCI_EXP_LNKSTA2 PCIER_LINK_STA2 /* Link Status 2 */ 1388d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS PCIER_FLAGS /* Capabilities register */ 1398d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_VERS PCIEM_FLAGS_VERSION /* Capability version */ 1408d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_ROOT_PORT PCIEM_TYPE_ROOT_PORT /* Root Port */ 1418d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_ENDPOINT PCIEM_TYPE_ENDPOINT /* Express Endpoint */ 1428d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_LEG_END PCIEM_TYPE_LEGACY_ENDPOINT /* Legacy Endpoint */ 1438d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_DOWNSTREAM PCIEM_TYPE_DOWNSTREAM_PORT /* Downstream Port */ 1448d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_SLOT PCIEM_FLAGS_SLOT /* Slot implemented */ 1458d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_RC_EC PCIEM_TYPE_ROOT_EC /* Root Complex Event Collector */ 146a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_2_5GB 0x01 /* Supported Link Speed 2.5GT/s */ 147a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_5_0GB 0x02 /* Supported Link Speed 5.0GT/s */ 148ab62989aSHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_8_0GB 0x04 /* Supported Link Speed 8.0GT/s */ 149ab62989aSHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_16_0GB 0x08 /* Supported Link Speed 16.0GT/s */ 150a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_MLW 0x03f0 /* Maximum Link Width */ 151a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_2_5GB 0x02 /* Supported Link Speed 2.5GT/s */ 152a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_5_0GB 0x04 /* Supported Link Speed 5.0GT/s */ 153a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_8_0GB 0x08 /* Supported Link Speed 8.0GT/s */ 154ab62989aSHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_16_0GB 0x10 /* Supported Link Speed 16.0GT/s */ 15578a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS 0x000f 15678a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_2_5GT 0x0001 /* Supported Speed 2.5GT/s */ 15778a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_5_0GT 0x0002 /* Supported Speed 5GT/s */ 15878a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_8_0GT 0x0003 /* Supported Speed 8GT/s */ 15978a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_16_0GT 0x0004 /* Supported Speed 16GT/s */ 16078a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_32_0GT 0x0005 /* Supported Speed 32GT/s */ 16178a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_ENTER_COMP 0x0010 /* Enter Compliance */ 16278a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TX_MARGIN 0x0380 /* Transmit Margin */ 1638d59ecb2SHans Petter Selasky 16412af734dSHans Petter Selasky #define PCI_EXP_LNKCAP_CLKPM 0x00040000 16512af734dSHans Petter Selasky #define PCI_EXP_DEVSTA_TRPND 0x0020 16612af734dSHans Petter Selasky 167bdff61f8SHans Petter Selasky #define IORESOURCE_MEM (1 << SYS_RES_MEMORY) 168bdff61f8SHans Petter Selasky #define IORESOURCE_IO (1 << SYS_RES_IOPORT) 169bdff61f8SHans Petter Selasky #define IORESOURCE_IRQ (1 << SYS_RES_IRQ) 1708d59ecb2SHans Petter Selasky 171a65ef215SHans Petter Selasky enum pci_bus_speed { 172a65ef215SHans Petter Selasky PCI_SPEED_UNKNOWN = -1, 173a65ef215SHans Petter Selasky PCIE_SPEED_2_5GT, 174a65ef215SHans Petter Selasky PCIE_SPEED_5_0GT, 175a65ef215SHans Petter Selasky PCIE_SPEED_8_0GT, 176ab62989aSHans Petter Selasky PCIE_SPEED_16_0GT, 177a65ef215SHans Petter Selasky }; 1788d59ecb2SHans Petter Selasky 179a65ef215SHans Petter Selasky enum pcie_link_width { 180ab62989aSHans Petter Selasky PCIE_LNK_WIDTH_RESRV = 0x00, 181ab62989aSHans Petter Selasky PCIE_LNK_X1 = 0x01, 182ab62989aSHans Petter Selasky PCIE_LNK_X2 = 0x02, 183ab62989aSHans Petter Selasky PCIE_LNK_X4 = 0x04, 184ab62989aSHans Petter Selasky PCIE_LNK_X8 = 0x08, 185ab62989aSHans Petter Selasky PCIE_LNK_X12 = 0x0c, 186ab62989aSHans Petter Selasky PCIE_LNK_X16 = 0x10, 187ab62989aSHans Petter Selasky PCIE_LNK_X32 = 0x20, 188ab62989aSHans Petter Selasky PCIE_LNK_WIDTH_UNKNOWN = 0xff, 189a65ef215SHans Petter Selasky }; 190a65ef215SHans Petter Selasky 191fc1d8409SBjoern A. Zeeb #define PCIE_LINK_STATE_L0S 0x00000001 192fc1d8409SBjoern A. Zeeb #define PCIE_LINK_STATE_L1 0x00000002 193fc1d8409SBjoern A. Zeeb #define PCIE_LINK_STATE_CLKPM 0x00000004 194fc1d8409SBjoern A. Zeeb 19512af734dSHans Petter Selasky typedef int pci_power_t; 19612af734dSHans Petter Selasky 19712af734dSHans Petter Selasky #define PCI_D0 PCI_POWERSTATE_D0 19812af734dSHans Petter Selasky #define PCI_D1 PCI_POWERSTATE_D1 19912af734dSHans Petter Selasky #define PCI_D2 PCI_POWERSTATE_D2 20012af734dSHans Petter Selasky #define PCI_D3hot PCI_POWERSTATE_D3 20112af734dSHans Petter Selasky #define PCI_D3cold 4 20212af734dSHans Petter Selasky 20312af734dSHans Petter Selasky #define PCI_POWER_ERROR PCI_POWERSTATE_UNKNOWN 20412af734dSHans Petter Selasky 205fc1d8409SBjoern A. Zeeb #define PCI_ERR_ROOT_COMMAND PCIR_AER_ROOTERR_CMD 206fc1d8409SBjoern A. Zeeb #define PCI_ERR_ROOT_ERR_SRC PCIR_AER_COR_SOURCE_ID 207fc1d8409SBjoern A. Zeeb 208fc1d8409SBjoern A. Zeeb #define PCI_EXT_CAP_ID_ERR PCIZ_AER 209c4f52f71SBjoern A. Zeeb #define PCI_EXT_CAP_ID_L1SS PCIZ_L1PM 210c4f52f71SBjoern A. Zeeb 211c4f52f71SBjoern A. Zeeb #define PCI_L1SS_CTL1 0x8 212c4f52f71SBjoern A. Zeeb #define PCI_L1SS_CTL1_L1SS_MASK 0xf 213fc1d8409SBjoern A. Zeeb 214366d68f2SBjoern A. Zeeb #define PCI_IRQ_LEGACY 0x01 215366d68f2SBjoern A. Zeeb #define PCI_IRQ_MSI 0x02 216366d68f2SBjoern A. Zeeb #define PCI_IRQ_MSIX 0x04 217c41d8354SBjoern A. Zeeb #define PCI_IRQ_ALL_TYPES (PCI_IRQ_MSIX|PCI_IRQ_MSI|PCI_IRQ_LEGACY) 218366d68f2SBjoern A. Zeeb 219a65ef215SHans Petter Selasky struct pci_dev; 2208d59ecb2SHans Petter Selasky 2218d59ecb2SHans Petter Selasky struct pci_driver { 222cf899348SBjoern A. Zeeb struct list_head node; 2238d59ecb2SHans Petter Selasky char *name; 2248d59ecb2SHans Petter Selasky const struct pci_device_id *id_table; 2258d59ecb2SHans Petter Selasky int (*probe)(struct pci_dev *dev, const struct pci_device_id *id); 2268d59ecb2SHans Petter Selasky void (*remove)(struct pci_dev *dev); 2278d59ecb2SHans Petter Selasky int (*suspend) (struct pci_dev *dev, pm_message_t state); /* Device suspended */ 2288d59ecb2SHans Petter Selasky int (*resume) (struct pci_dev *dev); /* Device woken up */ 2297d133393SHans Petter Selasky void (*shutdown) (struct pci_dev *dev); /* Device shutdown */ 230b38dc0a1SMark Johnston driver_t bsddriver; 2318d59ecb2SHans Petter Selasky devclass_t bsdclass; 23288156ba5SMark Johnston struct device_driver driver; 2338d59ecb2SHans Petter Selasky const struct pci_error_handlers *err_handler; 2340b7bd01aSMark Johnston bool isdrm; 235b91dd79bSBjoern A. Zeeb int bsd_probe_return; 2362928e60eSKonstantin Belousov int (*bsd_iov_init)(device_t dev, uint16_t num_vfs, 2372928e60eSKonstantin Belousov const nvlist_t *pf_config); 2382928e60eSKonstantin Belousov void (*bsd_iov_uninit)(device_t dev); 2392928e60eSKonstantin Belousov int (*bsd_iov_add_vf)(device_t dev, uint16_t vfnum, 2402928e60eSKonstantin Belousov const nvlist_t *vf_config); 2410b7bd01aSMark Johnston }; 2420b7bd01aSMark Johnston 2430b7bd01aSMark Johnston struct pci_bus { 2440b7bd01aSMark Johnston struct pci_dev *self; 245937a05baSJustin Hibbits int domain; 2460b7bd01aSMark Johnston int number; 2478d59ecb2SHans Petter Selasky }; 2488d59ecb2SHans Petter Selasky 2498d59ecb2SHans Petter Selasky extern struct list_head pci_drivers; 2508d59ecb2SHans Petter Selasky extern struct list_head pci_devices; 2518d59ecb2SHans Petter Selasky extern spinlock_t pci_lock; 2528d59ecb2SHans Petter Selasky 2538d59ecb2SHans Petter Selasky #define __devexit_p(x) x 2548d59ecb2SHans Petter Selasky 255366d68f2SBjoern A. Zeeb #define module_pci_driver(_driver) \ 256366d68f2SBjoern A. Zeeb \ 257366d68f2SBjoern A. Zeeb static inline int \ 258366d68f2SBjoern A. Zeeb _pci_init(void) \ 259366d68f2SBjoern A. Zeeb { \ 260366d68f2SBjoern A. Zeeb \ 261366d68f2SBjoern A. Zeeb return (linux_pci_register_driver(&_driver)); \ 262366d68f2SBjoern A. Zeeb } \ 263366d68f2SBjoern A. Zeeb \ 264366d68f2SBjoern A. Zeeb static inline void \ 265366d68f2SBjoern A. Zeeb _pci_exit(void) \ 266366d68f2SBjoern A. Zeeb { \ 267366d68f2SBjoern A. Zeeb \ 268366d68f2SBjoern A. Zeeb linux_pci_unregister_driver(&_driver); \ 269366d68f2SBjoern A. Zeeb } \ 270366d68f2SBjoern A. Zeeb \ 271366d68f2SBjoern A. Zeeb module_init(_pci_init); \ 272366d68f2SBjoern A. Zeeb module_exit(_pci_exit) 273366d68f2SBjoern A. Zeeb 274d4a4960cSBjoern A. Zeeb /* 275d4a4960cSBjoern A. Zeeb * If we find drivers accessing this from multiple KPIs we may have to 276d4a4960cSBjoern A. Zeeb * refcount objects of this structure. 277d4a4960cSBjoern A. Zeeb */ 2784c274849SEmmanuel Vadot struct pci_mmio_region { 2794c274849SEmmanuel Vadot TAILQ_ENTRY(pci_mmio_region) next; 2804c274849SEmmanuel Vadot struct resource *res; 2814c274849SEmmanuel Vadot int rid; 2824c274849SEmmanuel Vadot int type; 2834c274849SEmmanuel Vadot }; 2844c274849SEmmanuel Vadot 2858d59ecb2SHans Petter Selasky struct pci_dev { 2868d59ecb2SHans Petter Selasky struct device dev; 2878d59ecb2SHans Petter Selasky struct list_head links; 2888d59ecb2SHans Petter Selasky struct pci_driver *pdrv; 2890b7bd01aSMark Johnston struct pci_bus *bus; 2908e106c52SBjoern A. Zeeb struct pci_dev *root; 2918d59ecb2SHans Petter Selasky uint16_t device; 2928d59ecb2SHans Petter Selasky uint16_t vendor; 293f2ec04a3SMark Johnston uint16_t subsystem_vendor; 294f2ec04a3SMark Johnston uint16_t subsystem_device; 2958d59ecb2SHans Petter Selasky unsigned int irq; 2968d59ecb2SHans Petter Selasky unsigned int devfn; 2976373e95eSMark Johnston uint32_t class; 2986373e95eSMark Johnston uint8_t revision; 299d4a4960cSBjoern A. Zeeb bool managed; /* devres "pcim_*(). */ 300d4a4960cSBjoern A. Zeeb bool want_iomap_res; 3014f109faaSHans Petter Selasky bool msi_enabled; 302d4a4960cSBjoern A. Zeeb bool msix_enabled; 303096104e7SNeel Chauhan phys_addr_t rom; 304096104e7SNeel Chauhan size_t romlen; 3054c274849SEmmanuel Vadot 3064c274849SEmmanuel Vadot TAILQ_HEAD(, pci_mmio_region) mmio; 3078d59ecb2SHans Petter Selasky }; 3088d59ecb2SHans Petter Selasky 309d4a4960cSBjoern A. Zeeb /* We need some meta-struct to keep track of these for devres. */ 310d4a4960cSBjoern A. Zeeb struct pci_devres { 311d4a4960cSBjoern A. Zeeb bool enable_io; 312d4a4960cSBjoern A. Zeeb /* PCIR_MAX_BAR_0 + 1 = 6 => BIT(0..5). */ 313d4a4960cSBjoern A. Zeeb uint8_t region_mask; 314d4a4960cSBjoern A. Zeeb struct resource *region_table[PCIR_MAX_BAR_0 + 1]; /* Not needed. */ 315d4a4960cSBjoern A. Zeeb }; 316d4a4960cSBjoern A. Zeeb struct pcim_iomap_devres { 317d4a4960cSBjoern A. Zeeb void *mmio_table[PCIR_MAX_BAR_0 + 1]; 318d4a4960cSBjoern A. Zeeb struct resource *res_table[PCIR_MAX_BAR_0 + 1]; 319d4a4960cSBjoern A. Zeeb }; 320d4a4960cSBjoern A. Zeeb 3211cdb2534SWarner Losh int pci_request_region(struct pci_dev *pdev, int bar, const char *res_name); 32236b5c440SWarner Losh int pci_alloc_irq_vectors(struct pci_dev *pdev, int minv, int maxv, 32336b5c440SWarner Losh unsigned int flags); 3241cdb2534SWarner Losh 3258e106c52SBjoern A. Zeeb /* Internal helper function(s). */ 3268e106c52SBjoern A. Zeeb struct pci_dev *lkpinew_pci_dev(device_t); 3273ea682e2SWarner Losh struct pci_devres *lkpi_pci_devres_get_alloc(struct pci_dev *pdev); 328d4a4960cSBjoern A. Zeeb void lkpi_pci_devres_release(struct device *, void *); 3291cdb2534SWarner Losh struct resource *_lkpi_pci_iomap(struct pci_dev *pdev, int bar, int mmio_size); 3302bf3361dSWarner Losh struct pcim_iomap_devres *lkpi_pcim_iomap_devres_find(struct pci_dev *pdev); 331d4a4960cSBjoern A. Zeeb void lkpi_pcim_iomap_table_release(struct device *, void *); 3328e106c52SBjoern A. Zeeb 333c41d8354SBjoern A. Zeeb static inline bool 334c41d8354SBjoern A. Zeeb dev_is_pci(struct device *dev) 335c41d8354SBjoern A. Zeeb { 336c41d8354SBjoern A. Zeeb 337c41d8354SBjoern A. Zeeb return (device_get_devclass(dev->bsddev) == devclass_find("pci")); 338c41d8354SBjoern A. Zeeb } 339c41d8354SBjoern A. Zeeb 340d4a4960cSBjoern A. Zeeb static inline int 341d4a4960cSBjoern A. Zeeb pci_resource_type(struct pci_dev *pdev, int bar) 342d4a4960cSBjoern A. Zeeb { 343d4a4960cSBjoern A. Zeeb struct pci_map *pm; 344d4a4960cSBjoern A. Zeeb 345d4a4960cSBjoern A. Zeeb pm = pci_find_bar(pdev->dev.bsddev, PCIR_BAR(bar)); 346d4a4960cSBjoern A. Zeeb if (!pm) 347d4a4960cSBjoern A. Zeeb return (-1); 348d4a4960cSBjoern A. Zeeb 349d4a4960cSBjoern A. Zeeb if (PCI_BAR_IO(pm->pm_value)) 350d4a4960cSBjoern A. Zeeb return (SYS_RES_IOPORT); 351d4a4960cSBjoern A. Zeeb else 352d4a4960cSBjoern A. Zeeb return (SYS_RES_MEMORY); 353d4a4960cSBjoern A. Zeeb } 3548e106c52SBjoern A. Zeeb 35582098c8bSJessica Clarke struct resource_list_entry *linux_pci_reserve_bar(struct pci_dev *pdev, 35682098c8bSJessica Clarke struct resource_list *rl, int type, int rid); 35782098c8bSJessica Clarke 3588d59ecb2SHans Petter Selasky static inline struct resource_list_entry * 35982098c8bSJessica Clarke linux_pci_get_rle(struct pci_dev *pdev, int type, int rid, bool reserve_bar) 3608d59ecb2SHans Petter Selasky { 3618d59ecb2SHans Petter Selasky struct pci_devinfo *dinfo; 3628d59ecb2SHans Petter Selasky struct resource_list *rl; 36382098c8bSJessica Clarke struct resource_list_entry *rle; 3648d59ecb2SHans Petter Selasky 3658d59ecb2SHans Petter Selasky dinfo = device_get_ivars(pdev->dev.bsddev); 3668d59ecb2SHans Petter Selasky rl = &dinfo->resources; 36782098c8bSJessica Clarke rle = resource_list_find(rl, type, rid); 36882098c8bSJessica Clarke /* Reserve resources for this BAR if needed. */ 36982098c8bSJessica Clarke if (rle == NULL && reserve_bar) 37082098c8bSJessica Clarke rle = linux_pci_reserve_bar(pdev, rl, type, rid); 37182098c8bSJessica Clarke return (rle); 3728d59ecb2SHans Petter Selasky } 3738d59ecb2SHans Petter Selasky 3748d59ecb2SHans Petter Selasky static inline struct resource_list_entry * 37582098c8bSJessica Clarke linux_pci_get_bar(struct pci_dev *pdev, int bar, bool reserve) 3768d59ecb2SHans Petter Selasky { 377d4a4960cSBjoern A. Zeeb int type; 3788d59ecb2SHans Petter Selasky 379d4a4960cSBjoern A. Zeeb type = pci_resource_type(pdev, bar); 380d4a4960cSBjoern A. Zeeb if (type < 0) 381d4a4960cSBjoern A. Zeeb return (NULL); 3828d59ecb2SHans Petter Selasky bar = PCIR_BAR(bar); 38382098c8bSJessica Clarke return (linux_pci_get_rle(pdev, type, bar, reserve)); 3848d59ecb2SHans Petter Selasky } 3858d59ecb2SHans Petter Selasky 3868d59ecb2SHans Petter Selasky static inline struct device * 387e996b07cSHans Petter Selasky linux_pci_find_irq_dev(unsigned int irq) 3888d59ecb2SHans Petter Selasky { 3898d59ecb2SHans Petter Selasky struct pci_dev *pdev; 3902f02a9e1SConrad Meyer struct device *found; 3918d59ecb2SHans Petter Selasky 3922f02a9e1SConrad Meyer found = NULL; 3938d59ecb2SHans Petter Selasky spin_lock(&pci_lock); 3948d59ecb2SHans Petter Selasky list_for_each_entry(pdev, &pci_devices, links) { 3952f02a9e1SConrad Meyer if (irq == pdev->dev.irq || 3964f109faaSHans Petter Selasky (irq >= pdev->dev.irq_start && irq < pdev->dev.irq_end)) { 3972f02a9e1SConrad Meyer found = &pdev->dev; 3988d59ecb2SHans Petter Selasky break; 3998d59ecb2SHans Petter Selasky } 4002f02a9e1SConrad Meyer } 4018d59ecb2SHans Petter Selasky spin_unlock(&pci_lock); 4022f02a9e1SConrad Meyer return (found); 4038d59ecb2SHans Petter Selasky } 4048d59ecb2SHans Petter Selasky 4058d59ecb2SHans Petter Selasky /* 4068d59ecb2SHans Petter Selasky * All drivers just seem to want to inspect the type not flags. 4078d59ecb2SHans Petter Selasky */ 4088d59ecb2SHans Petter Selasky static inline int 4098d59ecb2SHans Petter Selasky pci_resource_flags(struct pci_dev *pdev, int bar) 4108d59ecb2SHans Petter Selasky { 411bdff61f8SHans Petter Selasky int type; 4128d59ecb2SHans Petter Selasky 413bdff61f8SHans Petter Selasky type = pci_resource_type(pdev, bar); 414bdff61f8SHans Petter Selasky if (type < 0) 4158d59ecb2SHans Petter Selasky return (0); 416bdff61f8SHans Petter Selasky return (1 << type); 4178d59ecb2SHans Petter Selasky } 4188d59ecb2SHans Petter Selasky 4198d59ecb2SHans Petter Selasky static inline const char * 4208d59ecb2SHans Petter Selasky pci_name(struct pci_dev *d) 4218d59ecb2SHans Petter Selasky { 4228d59ecb2SHans Petter Selasky 4238d59ecb2SHans Petter Selasky return device_get_desc(d->dev.bsddev); 4248d59ecb2SHans Petter Selasky } 4258d59ecb2SHans Petter Selasky 4268d59ecb2SHans Petter Selasky static inline void * 4278d59ecb2SHans Petter Selasky pci_get_drvdata(struct pci_dev *pdev) 4288d59ecb2SHans Petter Selasky { 4298d59ecb2SHans Petter Selasky 4308d59ecb2SHans Petter Selasky return dev_get_drvdata(&pdev->dev); 4318d59ecb2SHans Petter Selasky } 4328d59ecb2SHans Petter Selasky 4338d59ecb2SHans Petter Selasky static inline void 4348d59ecb2SHans Petter Selasky pci_set_drvdata(struct pci_dev *pdev, void *data) 4358d59ecb2SHans Petter Selasky { 4368d59ecb2SHans Petter Selasky 4378d59ecb2SHans Petter Selasky dev_set_drvdata(&pdev->dev, data); 4388d59ecb2SHans Petter Selasky } 4398d59ecb2SHans Petter Selasky 4408e106c52SBjoern A. Zeeb static inline struct pci_dev * 4418e106c52SBjoern A. Zeeb pci_dev_get(struct pci_dev *pdev) 4428e106c52SBjoern A. Zeeb { 4438e106c52SBjoern A. Zeeb 4448e106c52SBjoern A. Zeeb if (pdev != NULL) 4458e106c52SBjoern A. Zeeb get_device(&pdev->dev); 4468e106c52SBjoern A. Zeeb return (pdev); 4478e106c52SBjoern A. Zeeb } 4488e106c52SBjoern A. Zeeb 4491fac2cb4SBjoern A. Zeeb static __inline void 4501fac2cb4SBjoern A. Zeeb pci_dev_put(struct pci_dev *pdev) 4511fac2cb4SBjoern A. Zeeb { 4521fac2cb4SBjoern A. Zeeb 4531fac2cb4SBjoern A. Zeeb if (pdev != NULL) 4541fac2cb4SBjoern A. Zeeb put_device(&pdev->dev); 4551fac2cb4SBjoern A. Zeeb } 4561fac2cb4SBjoern A. Zeeb 4578d59ecb2SHans Petter Selasky static inline int 4588d59ecb2SHans Petter Selasky pci_enable_device(struct pci_dev *pdev) 4598d59ecb2SHans Petter Selasky { 4608d59ecb2SHans Petter Selasky 4618d59ecb2SHans Petter Selasky pci_enable_io(pdev->dev.bsddev, SYS_RES_IOPORT); 4628d59ecb2SHans Petter Selasky pci_enable_io(pdev->dev.bsddev, SYS_RES_MEMORY); 4638d59ecb2SHans Petter Selasky return (0); 4648d59ecb2SHans Petter Selasky } 4658d59ecb2SHans Petter Selasky 4668d59ecb2SHans Petter Selasky static inline void 4678d59ecb2SHans Petter Selasky pci_disable_device(struct pci_dev *pdev) 4688d59ecb2SHans Petter Selasky { 469f67b5de7SMark Johnston 470555deb3cSHans Petter Selasky pci_disable_busmaster(pdev->dev.bsddev); 4718d59ecb2SHans Petter Selasky } 4728d59ecb2SHans Petter Selasky 4738d59ecb2SHans Petter Selasky static inline int 4748d59ecb2SHans Petter Selasky pci_set_master(struct pci_dev *pdev) 4758d59ecb2SHans Petter Selasky { 4768d59ecb2SHans Petter Selasky 4778d59ecb2SHans Petter Selasky pci_enable_busmaster(pdev->dev.bsddev); 4788d59ecb2SHans Petter Selasky return (0); 4798d59ecb2SHans Petter Selasky } 4808d59ecb2SHans Petter Selasky 4818d59ecb2SHans Petter Selasky static inline int 48212af734dSHans Petter Selasky pci_set_power_state(struct pci_dev *pdev, int state) 48312af734dSHans Petter Selasky { 48412af734dSHans Petter Selasky 48512af734dSHans Petter Selasky pci_set_powerstate(pdev->dev.bsddev, state); 48612af734dSHans Petter Selasky return (0); 48712af734dSHans Petter Selasky } 48812af734dSHans Petter Selasky 48912af734dSHans Petter Selasky static inline int 4908d59ecb2SHans Petter Selasky pci_clear_master(struct pci_dev *pdev) 4918d59ecb2SHans Petter Selasky { 4928d59ecb2SHans Petter Selasky 4938d59ecb2SHans Petter Selasky pci_disable_busmaster(pdev->dev.bsddev); 4948d59ecb2SHans Petter Selasky return (0); 4958d59ecb2SHans Petter Selasky } 4968d59ecb2SHans Petter Selasky 497b3b83625SBjoern A. Zeeb static inline bool 498b3b83625SBjoern A. Zeeb pci_is_root_bus(struct pci_bus *pbus) 499b3b83625SBjoern A. Zeeb { 500b3b83625SBjoern A. Zeeb 501b3b83625SBjoern A. Zeeb return (pbus->self == NULL); 502b3b83625SBjoern A. Zeeb } 503b3b83625SBjoern A. Zeeb 504b3b83625SBjoern A. Zeeb static inline struct pci_dev * 505b3b83625SBjoern A. Zeeb pci_upstream_bridge(struct pci_dev *pdev) 506b3b83625SBjoern A. Zeeb { 507b3b83625SBjoern A. Zeeb 508b3b83625SBjoern A. Zeeb if (pci_is_root_bus(pdev->bus)) 509b3b83625SBjoern A. Zeeb return (NULL); 510b3b83625SBjoern A. Zeeb 511b3b83625SBjoern A. Zeeb /* 512b3b83625SBjoern A. Zeeb * If we do not have a (proper) "upstream bridge" set, e.g., we point 513b3b83625SBjoern A. Zeeb * to ourselves, try to handle this case on the fly like we do 514b3b83625SBjoern A. Zeeb * for pcie_find_root_port(). 515b3b83625SBjoern A. Zeeb */ 516b3b83625SBjoern A. Zeeb if (pdev == pdev->bus->self) { 517b3b83625SBjoern A. Zeeb device_t bridge; 518b3b83625SBjoern A. Zeeb 519b3b83625SBjoern A. Zeeb bridge = device_get_parent(pdev->dev.bsddev); 520b3b83625SBjoern A. Zeeb if (bridge == NULL) 521b3b83625SBjoern A. Zeeb goto done; 522b3b83625SBjoern A. Zeeb bridge = device_get_parent(bridge); 523b3b83625SBjoern A. Zeeb if (bridge == NULL) 524b3b83625SBjoern A. Zeeb goto done; 525b3b83625SBjoern A. Zeeb if (device_get_devclass(device_get_parent(bridge)) != 526b3b83625SBjoern A. Zeeb devclass_find("pci")) 527b3b83625SBjoern A. Zeeb goto done; 528b3b83625SBjoern A. Zeeb 529b3b83625SBjoern A. Zeeb /* 530b3b83625SBjoern A. Zeeb * "bridge" is a PCI-to-PCI bridge. Create a Linux pci_dev 531b3b83625SBjoern A. Zeeb * for it so it can be returned. 532b3b83625SBjoern A. Zeeb */ 533b3b83625SBjoern A. Zeeb pdev->bus->self = lkpinew_pci_dev(bridge); 534b3b83625SBjoern A. Zeeb } 535b3b83625SBjoern A. Zeeb done: 536b3b83625SBjoern A. Zeeb return (pdev->bus->self); 537b3b83625SBjoern A. Zeeb } 538b3b83625SBjoern A. Zeeb 539d4a4960cSBjoern A. Zeeb static inline struct pci_devres * 540d4a4960cSBjoern A. Zeeb lkpi_pci_devres_find(struct pci_dev *pdev) 541d4a4960cSBjoern A. Zeeb { 542d4a4960cSBjoern A. Zeeb 543d4a4960cSBjoern A. Zeeb if (!pdev->managed) 544d4a4960cSBjoern A. Zeeb return (NULL); 545d4a4960cSBjoern A. Zeeb 546d4a4960cSBjoern A. Zeeb return (lkpi_pci_devres_get_alloc(pdev)); 547d4a4960cSBjoern A. Zeeb } 548d4a4960cSBjoern A. Zeeb 5498d59ecb2SHans Petter Selasky static inline void 5508d59ecb2SHans Petter Selasky pci_release_region(struct pci_dev *pdev, int bar) 5518d59ecb2SHans Petter Selasky { 5528d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 553d4a4960cSBjoern A. Zeeb struct pci_devres *dr; 554d4a4960cSBjoern A. Zeeb struct pci_mmio_region *mmio, *p; 5558d59ecb2SHans Petter Selasky 55682098c8bSJessica Clarke if ((rle = linux_pci_get_bar(pdev, bar, false)) == NULL) 5578d59ecb2SHans Petter Selasky return; 558d4a4960cSBjoern A. Zeeb 559d4a4960cSBjoern A. Zeeb /* 560d4a4960cSBjoern A. Zeeb * As we implicitly track the requests we also need to clear them on 561d4a4960cSBjoern A. Zeeb * release. Do clear before resource release. 562d4a4960cSBjoern A. Zeeb */ 563d4a4960cSBjoern A. Zeeb dr = lkpi_pci_devres_find(pdev); 564d4a4960cSBjoern A. Zeeb if (dr != NULL) { 565d4a4960cSBjoern A. Zeeb KASSERT(dr->region_table[bar] == rle->res, ("%s: pdev %p bar %d" 566d4a4960cSBjoern A. Zeeb " region_table res %p != rel->res %p\n", __func__, pdev, 567d4a4960cSBjoern A. Zeeb bar, dr->region_table[bar], rle->res)); 568d4a4960cSBjoern A. Zeeb dr->region_table[bar] = NULL; 569d4a4960cSBjoern A. Zeeb dr->region_mask &= ~(1 << bar); 570d4a4960cSBjoern A. Zeeb } 571d4a4960cSBjoern A. Zeeb 572d4a4960cSBjoern A. Zeeb TAILQ_FOREACH_SAFE(mmio, &pdev->mmio, next, p) { 573d4a4960cSBjoern A. Zeeb if (rle->res != (void *)rman_get_bushandle(mmio->res)) 574d4a4960cSBjoern A. Zeeb continue; 575d4a4960cSBjoern A. Zeeb TAILQ_REMOVE(&pdev->mmio, mmio, next); 576d4a4960cSBjoern A. Zeeb free(mmio, M_DEVBUF); 577d4a4960cSBjoern A. Zeeb } 578d4a4960cSBjoern A. Zeeb 5798d59ecb2SHans Petter Selasky bus_release_resource(pdev->dev.bsddev, rle->type, rle->rid, rle->res); 5808d59ecb2SHans Petter Selasky } 5818d59ecb2SHans Petter Selasky 5828d59ecb2SHans Petter Selasky static inline void 5838d59ecb2SHans Petter Selasky pci_release_regions(struct pci_dev *pdev) 5848d59ecb2SHans Petter Selasky { 5858d59ecb2SHans Petter Selasky int i; 5868d59ecb2SHans Petter Selasky 5878d59ecb2SHans Petter Selasky for (i = 0; i <= PCIR_MAX_BAR_0; i++) 5888d59ecb2SHans Petter Selasky pci_release_region(pdev, i); 5898d59ecb2SHans Petter Selasky } 5908d59ecb2SHans Petter Selasky 5918d59ecb2SHans Petter Selasky static inline int 5928d59ecb2SHans Petter Selasky pci_request_regions(struct pci_dev *pdev, const char *res_name) 5938d59ecb2SHans Petter Selasky { 5948d59ecb2SHans Petter Selasky int error; 5958d59ecb2SHans Petter Selasky int i; 5968d59ecb2SHans Petter Selasky 5978d59ecb2SHans Petter Selasky for (i = 0; i <= PCIR_MAX_BAR_0; i++) { 5988d59ecb2SHans Petter Selasky error = pci_request_region(pdev, i, res_name); 5998d59ecb2SHans Petter Selasky if (error && error != -ENODEV) { 6008d59ecb2SHans Petter Selasky pci_release_regions(pdev); 6018d59ecb2SHans Petter Selasky return (error); 6028d59ecb2SHans Petter Selasky } 6038d59ecb2SHans Petter Selasky } 6048d59ecb2SHans Petter Selasky return (0); 6058d59ecb2SHans Petter Selasky } 6068d59ecb2SHans Petter Selasky 6078d59ecb2SHans Petter Selasky static inline void 608d4a4960cSBjoern A. Zeeb lkpi_pci_disable_msix(struct pci_dev *pdev) 6098d59ecb2SHans Petter Selasky { 6108d59ecb2SHans Petter Selasky 6118d59ecb2SHans Petter Selasky pci_release_msi(pdev->dev.bsddev); 612e1992aa1SHans Petter Selasky 613e1992aa1SHans Petter Selasky /* 614e1992aa1SHans Petter Selasky * The MSIX IRQ numbers associated with this PCI device are no 615e1992aa1SHans Petter Selasky * longer valid and might be re-assigned. Make sure 616e1992aa1SHans Petter Selasky * linux_pci_find_irq_dev() does no longer see them by 617e1992aa1SHans Petter Selasky * resetting their references to zero: 618e1992aa1SHans Petter Selasky */ 6194f109faaSHans Petter Selasky pdev->dev.irq_start = 0; 6204f109faaSHans Petter Selasky pdev->dev.irq_end = 0; 621d4a4960cSBjoern A. Zeeb pdev->msix_enabled = false; 6224f109faaSHans Petter Selasky } 623d4a4960cSBjoern A. Zeeb /* Only for consistency. No conflict on that one. */ 624d4a4960cSBjoern A. Zeeb #define pci_disable_msix(pdev) lkpi_pci_disable_msix(pdev) 6254f109faaSHans Petter Selasky 6264f109faaSHans Petter Selasky static inline void 627d4a4960cSBjoern A. Zeeb lkpi_pci_disable_msi(struct pci_dev *pdev) 6284f109faaSHans Petter Selasky { 6294f109faaSHans Petter Selasky 6304f109faaSHans Petter Selasky pci_release_msi(pdev->dev.bsddev); 6314f109faaSHans Petter Selasky 6324f109faaSHans Petter Selasky pdev->dev.irq_start = 0; 6334f109faaSHans Petter Selasky pdev->dev.irq_end = 0; 6344f109faaSHans Petter Selasky pdev->irq = pdev->dev.irq; 6354f109faaSHans Petter Selasky pdev->msi_enabled = false; 6368d59ecb2SHans Petter Selasky } 637d4a4960cSBjoern A. Zeeb #define pci_disable_msi(pdev) lkpi_pci_disable_msi(pdev) 638539228d3SBjoern A. Zeeb #define pci_free_irq_vectors(pdev) lkpi_pci_disable_msi(pdev) 639105a37caSEmmanuel Vadot 640937a05baSJustin Hibbits unsigned long pci_resource_start(struct pci_dev *pdev, int bar); 641937a05baSJustin Hibbits unsigned long pci_resource_len(struct pci_dev *pdev, int bar); 642937a05baSJustin Hibbits 64312af734dSHans Petter Selasky static inline bus_addr_t 64412af734dSHans Petter Selasky pci_bus_address(struct pci_dev *pdev, int bar) 64512af734dSHans Petter Selasky { 64612af734dSHans Petter Selasky 64712af734dSHans Petter Selasky return (pci_resource_start(pdev, bar)); 64812af734dSHans Petter Selasky } 64912af734dSHans Petter Selasky 6508d59ecb2SHans Petter Selasky #define PCI_CAP_ID_EXP PCIY_EXPRESS 6518d59ecb2SHans Petter Selasky #define PCI_CAP_ID_PCIX PCIY_PCIX 65212af734dSHans Petter Selasky #define PCI_CAP_ID_AGP PCIY_AGP 65312af734dSHans Petter Selasky #define PCI_CAP_ID_PM PCIY_PMG 6548d59ecb2SHans Petter Selasky 65512af734dSHans Petter Selasky #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL 65612af734dSHans Petter Selasky #define PCI_EXP_DEVCTL_PAYLOAD PCIEM_CTL_MAX_PAYLOAD 65712af734dSHans Petter Selasky #define PCI_EXP_DEVCTL_READRQ PCIEM_CTL_MAX_READ_REQUEST 65812af734dSHans Petter Selasky #define PCI_EXP_LNKCTL PCIER_LINK_CTL 65912af734dSHans Petter Selasky #define PCI_EXP_LNKSTA PCIER_LINK_STA 6608d59ecb2SHans Petter Selasky 6618d59ecb2SHans Petter Selasky static inline int 6628d59ecb2SHans Petter Selasky pci_find_capability(struct pci_dev *pdev, int capid) 6638d59ecb2SHans Petter Selasky { 6648d59ecb2SHans Petter Selasky int reg; 6658d59ecb2SHans Petter Selasky 6668d59ecb2SHans Petter Selasky if (pci_find_cap(pdev->dev.bsddev, capid, ®)) 6678d59ecb2SHans Petter Selasky return (0); 6688d59ecb2SHans Petter Selasky return (reg); 6698d59ecb2SHans Petter Selasky } 6708d59ecb2SHans Petter Selasky 6718d59ecb2SHans Petter Selasky static inline int pci_pcie_cap(struct pci_dev *dev) 6728d59ecb2SHans Petter Selasky { 6738d59ecb2SHans Petter Selasky return pci_find_capability(dev, PCI_CAP_ID_EXP); 6748d59ecb2SHans Petter Selasky } 6758d59ecb2SHans Petter Selasky 6768d59ecb2SHans Petter Selasky static inline int 6778e106c52SBjoern A. Zeeb pci_find_ext_capability(struct pci_dev *pdev, int capid) 6788e106c52SBjoern A. Zeeb { 6798e106c52SBjoern A. Zeeb int reg; 6808e106c52SBjoern A. Zeeb 6818e106c52SBjoern A. Zeeb if (pci_find_extcap(pdev->dev.bsddev, capid, ®)) 6828e106c52SBjoern A. Zeeb return (0); 6838e106c52SBjoern A. Zeeb return (reg); 6848e106c52SBjoern A. Zeeb } 6858e106c52SBjoern A. Zeeb 6868e106c52SBjoern A. Zeeb #define PCIM_PCAP_PME_SHIFT 11 6878e106c52SBjoern A. Zeeb static __inline bool 6888e106c52SBjoern A. Zeeb pci_pme_capable(struct pci_dev *pdev, uint32_t flag) 6898e106c52SBjoern A. Zeeb { 6908e106c52SBjoern A. Zeeb struct pci_devinfo *dinfo; 6918e106c52SBjoern A. Zeeb pcicfgregs *cfg; 6928e106c52SBjoern A. Zeeb 6938e106c52SBjoern A. Zeeb if (flag > (PCIM_PCAP_D3PME_COLD >> PCIM_PCAP_PME_SHIFT)) 6948e106c52SBjoern A. Zeeb return (false); 6958e106c52SBjoern A. Zeeb 6968e106c52SBjoern A. Zeeb dinfo = device_get_ivars(pdev->dev.bsddev); 6978e106c52SBjoern A. Zeeb cfg = &dinfo->cfg; 6988e106c52SBjoern A. Zeeb 6998e106c52SBjoern A. Zeeb if (cfg->pp.pp_cap == 0) 7008e106c52SBjoern A. Zeeb return (false); 7018e106c52SBjoern A. Zeeb 7028e106c52SBjoern A. Zeeb if ((cfg->pp.pp_cap & (1 << (PCIM_PCAP_PME_SHIFT + flag))) != 0) 7038e106c52SBjoern A. Zeeb return (true); 7048e106c52SBjoern A. Zeeb 7058e106c52SBjoern A. Zeeb return (false); 7068e106c52SBjoern A. Zeeb } 7078e106c52SBjoern A. Zeeb 7088e106c52SBjoern A. Zeeb static inline int 7098e106c52SBjoern A. Zeeb pci_disable_link_state(struct pci_dev *pdev, uint32_t flags) 7108e106c52SBjoern A. Zeeb { 7118e106c52SBjoern A. Zeeb 7128e106c52SBjoern A. Zeeb if (!pci_enable_aspm) 7138e106c52SBjoern A. Zeeb return (-EPERM); 7148e106c52SBjoern A. Zeeb 7158e106c52SBjoern A. Zeeb return (-ENXIO); 7168e106c52SBjoern A. Zeeb } 7178e106c52SBjoern A. Zeeb 7188e106c52SBjoern A. Zeeb static inline int 719ed5600f5SBjoern A. Zeeb pci_read_config_byte(const struct pci_dev *pdev, int where, u8 *val) 7208d59ecb2SHans Petter Selasky { 7218d59ecb2SHans Petter Selasky 7228d59ecb2SHans Petter Selasky *val = (u8)pci_read_config(pdev->dev.bsddev, where, 1); 7238d59ecb2SHans Petter Selasky return (0); 7248d59ecb2SHans Petter Selasky } 7258d59ecb2SHans Petter Selasky 7268d59ecb2SHans Petter Selasky static inline int 727ed5600f5SBjoern A. Zeeb pci_read_config_word(const struct pci_dev *pdev, int where, u16 *val) 7288d59ecb2SHans Petter Selasky { 7298d59ecb2SHans Petter Selasky 7308d59ecb2SHans Petter Selasky *val = (u16)pci_read_config(pdev->dev.bsddev, where, 2); 7318d59ecb2SHans Petter Selasky return (0); 7328d59ecb2SHans Petter Selasky } 7338d59ecb2SHans Petter Selasky 7348d59ecb2SHans Petter Selasky static inline int 735ed5600f5SBjoern A. Zeeb pci_read_config_dword(const struct pci_dev *pdev, int where, u32 *val) 7368d59ecb2SHans Petter Selasky { 7378d59ecb2SHans Petter Selasky 7388d59ecb2SHans Petter Selasky *val = (u32)pci_read_config(pdev->dev.bsddev, where, 4); 7398d59ecb2SHans Petter Selasky return (0); 7408d59ecb2SHans Petter Selasky } 7418d59ecb2SHans Petter Selasky 7428d59ecb2SHans Petter Selasky static inline int 743ed5600f5SBjoern A. Zeeb pci_write_config_byte(const struct pci_dev *pdev, int where, u8 val) 7448d59ecb2SHans Petter Selasky { 7458d59ecb2SHans Petter Selasky 7468d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 1); 7478d59ecb2SHans Petter Selasky return (0); 7488d59ecb2SHans Petter Selasky } 7498d59ecb2SHans Petter Selasky 7508d59ecb2SHans Petter Selasky static inline int 751ed5600f5SBjoern A. Zeeb pci_write_config_word(const struct pci_dev *pdev, int where, u16 val) 7528d59ecb2SHans Petter Selasky { 7538d59ecb2SHans Petter Selasky 7548d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 2); 7558d59ecb2SHans Petter Selasky return (0); 7568d59ecb2SHans Petter Selasky } 7578d59ecb2SHans Petter Selasky 7588d59ecb2SHans Petter Selasky static inline int 759ed5600f5SBjoern A. Zeeb pci_write_config_dword(const struct pci_dev *pdev, int where, u32 val) 7608d59ecb2SHans Petter Selasky { 7618d59ecb2SHans Petter Selasky 7628d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 4); 7638d59ecb2SHans Petter Selasky return (0); 7648d59ecb2SHans Petter Selasky } 7658d59ecb2SHans Petter Selasky 7660b7bd01aSMark Johnston int linux_pci_register_driver(struct pci_driver *pdrv); 7670b7bd01aSMark Johnston int linux_pci_register_drm_driver(struct pci_driver *pdrv); 7680b7bd01aSMark Johnston void linux_pci_unregister_driver(struct pci_driver *pdrv); 7695098ed5fSJohannes Lundberg void linux_pci_unregister_drm_driver(struct pci_driver *pdrv); 7700b7bd01aSMark Johnston 7710b7bd01aSMark Johnston #define pci_register_driver(pdrv) linux_pci_register_driver(pdrv) 7720b7bd01aSMark Johnston #define pci_unregister_driver(pdrv) linux_pci_unregister_driver(pdrv) 7738d59ecb2SHans Petter Selasky 7748d59ecb2SHans Petter Selasky struct msix_entry { 7758d59ecb2SHans Petter Selasky int entry; 7768d59ecb2SHans Petter Selasky int vector; 7778d59ecb2SHans Petter Selasky }; 7788d59ecb2SHans Petter Selasky 7798d59ecb2SHans Petter Selasky /* 7808d59ecb2SHans Petter Selasky * Enable msix, positive errors indicate actual number of available 7818d59ecb2SHans Petter Selasky * vectors. Negative errors are failures. 7828d59ecb2SHans Petter Selasky * 7838d59ecb2SHans Petter Selasky * NB: define added to prevent this definition of pci_enable_msix from 7848d59ecb2SHans Petter Selasky * clashing with the native FreeBSD version. 7858d59ecb2SHans Petter Selasky */ 786fa0d4f31SHans Petter Selasky #define pci_enable_msix(...) \ 787fa0d4f31SHans Petter Selasky linux_pci_enable_msix(__VA_ARGS__) 788fa0d4f31SHans Petter Selasky 7898d59ecb2SHans Petter Selasky static inline int 7908d59ecb2SHans Petter Selasky pci_enable_msix(struct pci_dev *pdev, struct msix_entry *entries, int nreq) 7918d59ecb2SHans Petter Selasky { 7928d59ecb2SHans Petter Selasky struct resource_list_entry *rle; 7938d59ecb2SHans Petter Selasky int error; 7948d59ecb2SHans Petter Selasky int avail; 7958d59ecb2SHans Petter Selasky int i; 7968d59ecb2SHans Petter Selasky 7978d59ecb2SHans Petter Selasky avail = pci_msix_count(pdev->dev.bsddev); 7988d59ecb2SHans Petter Selasky if (avail < nreq) { 7998d59ecb2SHans Petter Selasky if (avail == 0) 8008d59ecb2SHans Petter Selasky return -EINVAL; 8018d59ecb2SHans Petter Selasky return avail; 8028d59ecb2SHans Petter Selasky } 8038d59ecb2SHans Petter Selasky avail = nreq; 8048d59ecb2SHans Petter Selasky if ((error = -pci_alloc_msix(pdev->dev.bsddev, &avail)) != 0) 8058d59ecb2SHans Petter Selasky return error; 8068d59ecb2SHans Petter Selasky /* 8078d59ecb2SHans Petter Selasky * Handle case where "pci_alloc_msix()" may allocate less 8088d59ecb2SHans Petter Selasky * interrupts than available and return with no error: 8098d59ecb2SHans Petter Selasky */ 8108d59ecb2SHans Petter Selasky if (avail < nreq) { 8118d59ecb2SHans Petter Selasky pci_release_msi(pdev->dev.bsddev); 8128d59ecb2SHans Petter Selasky return avail; 8138d59ecb2SHans Petter Selasky } 81482098c8bSJessica Clarke rle = linux_pci_get_rle(pdev, SYS_RES_IRQ, 1, false); 8154f109faaSHans Petter Selasky pdev->dev.irq_start = rle->start; 8164f109faaSHans Petter Selasky pdev->dev.irq_end = rle->start + avail; 8178d59ecb2SHans Petter Selasky for (i = 0; i < nreq; i++) 8184f109faaSHans Petter Selasky entries[i].vector = pdev->dev.irq_start + i; 819d4a4960cSBjoern A. Zeeb pdev->msix_enabled = true; 8208d59ecb2SHans Petter Selasky return (0); 8218d59ecb2SHans Petter Selasky } 8228d59ecb2SHans Petter Selasky 823fa0d4f31SHans Petter Selasky #define pci_enable_msix_range(...) \ 824fa0d4f31SHans Petter Selasky linux_pci_enable_msix_range(__VA_ARGS__) 825fa0d4f31SHans Petter Selasky 8268d59ecb2SHans Petter Selasky static inline int 8278d59ecb2SHans Petter Selasky pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries, 8288d59ecb2SHans Petter Selasky int minvec, int maxvec) 8298d59ecb2SHans Petter Selasky { 8308d59ecb2SHans Petter Selasky int nvec = maxvec; 8318d59ecb2SHans Petter Selasky int rc; 8328d59ecb2SHans Petter Selasky 8338d59ecb2SHans Petter Selasky if (maxvec < minvec) 8348d59ecb2SHans Petter Selasky return (-ERANGE); 8358d59ecb2SHans Petter Selasky 8368d59ecb2SHans Petter Selasky do { 8378d59ecb2SHans Petter Selasky rc = pci_enable_msix(dev, entries, nvec); 8388d59ecb2SHans Petter Selasky if (rc < 0) { 8398d59ecb2SHans Petter Selasky return (rc); 8408d59ecb2SHans Petter Selasky } else if (rc > 0) { 8418d59ecb2SHans Petter Selasky if (rc < minvec) 8428d59ecb2SHans Petter Selasky return (-ENOSPC); 8438d59ecb2SHans Petter Selasky nvec = rc; 8448d59ecb2SHans Petter Selasky } 8458d59ecb2SHans Petter Selasky } while (rc); 8468d59ecb2SHans Petter Selasky return (nvec); 8478d59ecb2SHans Petter Selasky } 8488d59ecb2SHans Petter Selasky 8494f109faaSHans Petter Selasky #define pci_enable_msi(pdev) \ 8504f109faaSHans Petter Selasky linux_pci_enable_msi(pdev) 8514f109faaSHans Petter Selasky 8524f109faaSHans Petter Selasky static inline int 8534f109faaSHans Petter Selasky pci_enable_msi(struct pci_dev *pdev) 8544f109faaSHans Petter Selasky { 8554f109faaSHans Petter Selasky struct resource_list_entry *rle; 8564f109faaSHans Petter Selasky int error; 8574f109faaSHans Petter Selasky int avail; 8584f109faaSHans Petter Selasky 8594f109faaSHans Petter Selasky avail = pci_msi_count(pdev->dev.bsddev); 8604f109faaSHans Petter Selasky if (avail < 1) 8614f109faaSHans Petter Selasky return -EINVAL; 8624f109faaSHans Petter Selasky 8634f109faaSHans Petter Selasky avail = 1; /* this function only enable one MSI IRQ */ 8644f109faaSHans Petter Selasky if ((error = -pci_alloc_msi(pdev->dev.bsddev, &avail)) != 0) 8654f109faaSHans Petter Selasky return error; 8664f109faaSHans Petter Selasky 86782098c8bSJessica Clarke rle = linux_pci_get_rle(pdev, SYS_RES_IRQ, 1, false); 8684f109faaSHans Petter Selasky pdev->dev.irq_start = rle->start; 8694f109faaSHans Petter Selasky pdev->dev.irq_end = rle->start + avail; 8704f109faaSHans Petter Selasky pdev->irq = rle->start; 8714f109faaSHans Petter Selasky pdev->msi_enabled = true; 8724f109faaSHans Petter Selasky return (0); 8734f109faaSHans Petter Selasky } 8744f109faaSHans Petter Selasky 875452d59e1SSlava Shwartsman static inline int 876452d59e1SSlava Shwartsman pci_channel_offline(struct pci_dev *pdev) 8778d59ecb2SHans Petter Selasky { 878452d59e1SSlava Shwartsman 879c5161386SHans Petter Selasky return (pci_read_config(pdev->dev.bsddev, PCIR_VENDOR, 2) == PCIV_INVALID); 8808d59ecb2SHans Petter Selasky } 8818d59ecb2SHans Petter Selasky 8828d59ecb2SHans Petter Selasky static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn) 8838d59ecb2SHans Petter Selasky { 8848d59ecb2SHans Petter Selasky return -ENODEV; 8858d59ecb2SHans Petter Selasky } 8861cdb2534SWarner Losh 8878d59ecb2SHans Petter Selasky static inline void pci_disable_sriov(struct pci_dev *dev) 8888d59ecb2SHans Petter Selasky { 8898d59ecb2SHans Petter Selasky } 8908d59ecb2SHans Petter Selasky 891d4a4960cSBjoern A. Zeeb static inline void * 892d4a4960cSBjoern A. Zeeb pci_iomap(struct pci_dev *pdev, int mmio_bar, int mmio_size) 893d4a4960cSBjoern A. Zeeb { 894d4a4960cSBjoern A. Zeeb struct resource *res; 895d4a4960cSBjoern A. Zeeb 896d4a4960cSBjoern A. Zeeb res = _lkpi_pci_iomap(pdev, mmio_bar, mmio_size); 897d4a4960cSBjoern A. Zeeb if (res == NULL) 898d4a4960cSBjoern A. Zeeb return (NULL); 899d4a4960cSBjoern A. Zeeb /* This is a FreeBSD extension so we can use bus_*(). */ 900d4a4960cSBjoern A. Zeeb if (pdev->want_iomap_res) 901d4a4960cSBjoern A. Zeeb return (res); 902d4a4960cSBjoern A. Zeeb return ((void *)rman_get_bushandle(res)); 9034c274849SEmmanuel Vadot } 9044c274849SEmmanuel Vadot 9054c274849SEmmanuel Vadot static inline void 906d4a4960cSBjoern A. Zeeb pci_iounmap(struct pci_dev *pdev, void *res) 9074c274849SEmmanuel Vadot { 9084c274849SEmmanuel Vadot struct pci_mmio_region *mmio, *p; 9094c274849SEmmanuel Vadot 910d4a4960cSBjoern A. Zeeb TAILQ_FOREACH_SAFE(mmio, &pdev->mmio, next, p) { 9114c274849SEmmanuel Vadot if (res != (void *)rman_get_bushandle(mmio->res)) 9124c274849SEmmanuel Vadot continue; 913d4a4960cSBjoern A. Zeeb bus_release_resource(pdev->dev.bsddev, 9144c274849SEmmanuel Vadot mmio->type, mmio->rid, mmio->res); 915d4a4960cSBjoern A. Zeeb TAILQ_REMOVE(&pdev->mmio, mmio, next); 9164c274849SEmmanuel Vadot free(mmio, M_DEVBUF); 9174c274849SEmmanuel Vadot return; 9184c274849SEmmanuel Vadot } 9194c274849SEmmanuel Vadot } 9204c274849SEmmanuel Vadot 921105a37caSEmmanuel Vadot static inline void 922105a37caSEmmanuel Vadot lkpi_pci_save_state(struct pci_dev *pdev) 923105a37caSEmmanuel Vadot { 924105a37caSEmmanuel Vadot 925105a37caSEmmanuel Vadot pci_save_state(pdev->dev.bsddev); 926105a37caSEmmanuel Vadot } 927105a37caSEmmanuel Vadot 928105a37caSEmmanuel Vadot static inline void 929105a37caSEmmanuel Vadot lkpi_pci_restore_state(struct pci_dev *pdev) 930105a37caSEmmanuel Vadot { 931105a37caSEmmanuel Vadot 932105a37caSEmmanuel Vadot pci_restore_state(pdev->dev.bsddev); 933105a37caSEmmanuel Vadot } 934105a37caSEmmanuel Vadot 935105a37caSEmmanuel Vadot #define pci_save_state(dev) lkpi_pci_save_state(dev) 936105a37caSEmmanuel Vadot #define pci_restore_state(dev) lkpi_pci_restore_state(dev) 937105a37caSEmmanuel Vadot 9388d59ecb2SHans Petter Selasky #define DEFINE_PCI_DEVICE_TABLE(_table) \ 9398d59ecb2SHans Petter Selasky const struct pci_device_id _table[] __devinitdata 9408d59ecb2SHans Petter Selasky 9418d59ecb2SHans Petter Selasky /* XXX This should not be necessary. */ 9428d59ecb2SHans Petter Selasky #define pcix_set_mmrbc(d, v) 0 9438d59ecb2SHans Petter Selasky #define pcix_get_max_mmrbc(d) 0 9443f322b22SMark Johnston #define pcie_set_readrq(d, v) pci_set_max_read_req((d)->dev.bsddev, (v)) 9458d59ecb2SHans Petter Selasky 9468d59ecb2SHans Petter Selasky #define PCI_DMA_BIDIRECTIONAL 0 9478d59ecb2SHans Petter Selasky #define PCI_DMA_TODEVICE 1 9488d59ecb2SHans Petter Selasky #define PCI_DMA_FROMDEVICE 2 9498d59ecb2SHans Petter Selasky #define PCI_DMA_NONE 3 9508d59ecb2SHans Petter Selasky 9518d59ecb2SHans Petter Selasky #define pci_pool dma_pool 9521724ded4SHans Petter Selasky #define pci_pool_destroy(...) dma_pool_destroy(__VA_ARGS__) 9531724ded4SHans Petter Selasky #define pci_pool_alloc(...) dma_pool_alloc(__VA_ARGS__) 9541724ded4SHans Petter Selasky #define pci_pool_free(...) dma_pool_free(__VA_ARGS__) 9558d59ecb2SHans Petter Selasky #define pci_pool_create(_name, _pdev, _size, _align, _alloc) \ 9568d59ecb2SHans Petter Selasky dma_pool_create(_name, &(_pdev)->dev, _size, _align, _alloc) 9578d59ecb2SHans Petter Selasky #define pci_free_consistent(_hwdev, _size, _vaddr, _dma_handle) \ 9588d59ecb2SHans Petter Selasky dma_free_coherent((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 9598d59ecb2SHans Petter Selasky _size, _vaddr, _dma_handle) 9608d59ecb2SHans Petter Selasky #define pci_map_sg(_hwdev, _sg, _nents, _dir) \ 9618d59ecb2SHans Petter Selasky dma_map_sg((_hwdev) == NULL ? NULL : &(_hwdev->dev), \ 9628d59ecb2SHans Petter Selasky _sg, _nents, (enum dma_data_direction)_dir) 9638d59ecb2SHans Petter Selasky #define pci_map_single(_hwdev, _ptr, _size, _dir) \ 9648d59ecb2SHans Petter Selasky dma_map_single((_hwdev) == NULL ? NULL : &(_hwdev->dev), \ 9658d59ecb2SHans Petter Selasky (_ptr), (_size), (enum dma_data_direction)_dir) 9668d59ecb2SHans Petter Selasky #define pci_unmap_single(_hwdev, _addr, _size, _dir) \ 9678d59ecb2SHans Petter Selasky dma_unmap_single((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 9688d59ecb2SHans Petter Selasky _addr, _size, (enum dma_data_direction)_dir) 9698d59ecb2SHans Petter Selasky #define pci_unmap_sg(_hwdev, _sg, _nents, _dir) \ 9708d59ecb2SHans Petter Selasky dma_unmap_sg((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 9718d59ecb2SHans Petter Selasky _sg, _nents, (enum dma_data_direction)_dir) 9728d59ecb2SHans Petter Selasky #define pci_map_page(_hwdev, _page, _offset, _size, _dir) \ 9738d59ecb2SHans Petter Selasky dma_map_page((_hwdev) == NULL ? NULL : &(_hwdev)->dev, _page,\ 9748d59ecb2SHans Petter Selasky _offset, _size, (enum dma_data_direction)_dir) 9758d59ecb2SHans Petter Selasky #define pci_unmap_page(_hwdev, _dma_address, _size, _dir) \ 9768d59ecb2SHans Petter Selasky dma_unmap_page((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \ 9778d59ecb2SHans Petter Selasky _dma_address, _size, (enum dma_data_direction)_dir) 9788d59ecb2SHans Petter Selasky #define pci_set_dma_mask(_pdev, mask) dma_set_mask(&(_pdev)->dev, (mask)) 9798d59ecb2SHans Petter Selasky #define pci_dma_mapping_error(_pdev, _dma_addr) \ 9808d59ecb2SHans Petter Selasky dma_mapping_error(&(_pdev)->dev, _dma_addr) 9818d59ecb2SHans Petter Selasky #define pci_set_consistent_dma_mask(_pdev, _mask) \ 9828d59ecb2SHans Petter Selasky dma_set_coherent_mask(&(_pdev)->dev, (_mask)) 9838d59ecb2SHans Petter Selasky #define DECLARE_PCI_UNMAP_ADDR(x) DEFINE_DMA_UNMAP_ADDR(x); 9848d59ecb2SHans Petter Selasky #define DECLARE_PCI_UNMAP_LEN(x) DEFINE_DMA_UNMAP_LEN(x); 9858d59ecb2SHans Petter Selasky #define pci_unmap_addr dma_unmap_addr 9868d59ecb2SHans Petter Selasky #define pci_unmap_addr_set dma_unmap_addr_set 9878d59ecb2SHans Petter Selasky #define pci_unmap_len dma_unmap_len 9888d59ecb2SHans Petter Selasky #define pci_unmap_len_set dma_unmap_len_set 9898d59ecb2SHans Petter Selasky 9908d59ecb2SHans Petter Selasky typedef unsigned int __bitwise pci_channel_state_t; 9918d59ecb2SHans Petter Selasky typedef unsigned int __bitwise pci_ers_result_t; 9928d59ecb2SHans Petter Selasky 9938d59ecb2SHans Petter Selasky enum pci_channel_state { 994a65ef215SHans Petter Selasky pci_channel_io_normal = 1, 995a65ef215SHans Petter Selasky pci_channel_io_frozen = 2, 996a65ef215SHans Petter Selasky pci_channel_io_perm_failure = 3, 9978d59ecb2SHans Petter Selasky }; 9988d59ecb2SHans Petter Selasky 9998d59ecb2SHans Petter Selasky enum pci_ers_result { 1000a65ef215SHans Petter Selasky PCI_ERS_RESULT_NONE = 1, 1001a65ef215SHans Petter Selasky PCI_ERS_RESULT_CAN_RECOVER = 2, 1002a65ef215SHans Petter Selasky PCI_ERS_RESULT_NEED_RESET = 3, 1003a65ef215SHans Petter Selasky PCI_ERS_RESULT_DISCONNECT = 4, 1004a65ef215SHans Petter Selasky PCI_ERS_RESULT_RECOVERED = 5, 10058d59ecb2SHans Petter Selasky }; 10068d59ecb2SHans Petter Selasky 10078d59ecb2SHans Petter Selasky /* PCI bus error event callbacks */ 10088d59ecb2SHans Petter Selasky struct pci_error_handlers { 10098d59ecb2SHans Petter Selasky pci_ers_result_t (*error_detected)(struct pci_dev *dev, 10108d59ecb2SHans Petter Selasky enum pci_channel_state error); 10118d59ecb2SHans Petter Selasky pci_ers_result_t (*mmio_enabled)(struct pci_dev *dev); 10128d59ecb2SHans Petter Selasky pci_ers_result_t (*link_reset)(struct pci_dev *dev); 10138d59ecb2SHans Petter Selasky pci_ers_result_t (*slot_reset)(struct pci_dev *dev); 10148d59ecb2SHans Petter Selasky void (*resume)(struct pci_dev *dev); 10158d59ecb2SHans Petter Selasky }; 10168d59ecb2SHans Petter Selasky 1017a65ef215SHans Petter Selasky /* FreeBSD does not support SRIOV - yet */ 10188d59ecb2SHans Petter Selasky static inline struct pci_dev *pci_physfn(struct pci_dev *dev) 10198d59ecb2SHans Petter Selasky { 10208d59ecb2SHans Petter Selasky return dev; 10218d59ecb2SHans Petter Selasky } 10228d59ecb2SHans Petter Selasky 10238d59ecb2SHans Petter Selasky static inline bool pci_is_pcie(struct pci_dev *dev) 10248d59ecb2SHans Petter Selasky { 10258d59ecb2SHans Petter Selasky return !!pci_pcie_cap(dev); 10268d59ecb2SHans Petter Selasky } 10278d59ecb2SHans Petter Selasky 10288d59ecb2SHans Petter Selasky static inline u16 pcie_flags_reg(struct pci_dev *dev) 10298d59ecb2SHans Petter Selasky { 10308d59ecb2SHans Petter Selasky int pos; 10318d59ecb2SHans Petter Selasky u16 reg16; 10328d59ecb2SHans Petter Selasky 10338d59ecb2SHans Petter Selasky pos = pci_find_capability(dev, PCI_CAP_ID_EXP); 10348d59ecb2SHans Petter Selasky if (!pos) 10358d59ecb2SHans Petter Selasky return 0; 10368d59ecb2SHans Petter Selasky 10378d59ecb2SHans Petter Selasky pci_read_config_word(dev, pos + PCI_EXP_FLAGS, ®16); 10388d59ecb2SHans Petter Selasky 10398d59ecb2SHans Petter Selasky return reg16; 10408d59ecb2SHans Petter Selasky } 10418d59ecb2SHans Petter Selasky 10428d59ecb2SHans Petter Selasky static inline int pci_pcie_type(struct pci_dev *dev) 10438d59ecb2SHans Petter Selasky { 10448d59ecb2SHans Petter Selasky return (pcie_flags_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4; 10458d59ecb2SHans Petter Selasky } 10468d59ecb2SHans Petter Selasky 10478d59ecb2SHans Petter Selasky static inline int pcie_cap_version(struct pci_dev *dev) 10488d59ecb2SHans Petter Selasky { 10498d59ecb2SHans Petter Selasky return pcie_flags_reg(dev) & PCI_EXP_FLAGS_VERS; 10508d59ecb2SHans Petter Selasky } 10518d59ecb2SHans Petter Selasky 10528d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_lnkctl(struct pci_dev *dev) 10538d59ecb2SHans Petter Selasky { 10548d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 10558d59ecb2SHans Petter Selasky 10568d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1 || 10578d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ROOT_PORT || 10588d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ENDPOINT || 10598d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_LEG_END; 10608d59ecb2SHans Petter Selasky } 10618d59ecb2SHans Petter Selasky 10628d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_devctl(const struct pci_dev *dev) 10638d59ecb2SHans Petter Selasky { 10648d59ecb2SHans Petter Selasky return true; 10658d59ecb2SHans Petter Selasky } 10668d59ecb2SHans Petter Selasky 10678d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_sltctl(struct pci_dev *dev) 10688d59ecb2SHans Petter Selasky { 10698d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 10708d59ecb2SHans Petter Selasky 107183630517SEd Maste return pcie_cap_version(dev) > 1 || type == PCI_EXP_TYPE_ROOT_PORT || 10728d59ecb2SHans Petter Selasky (type == PCI_EXP_TYPE_DOWNSTREAM && 10738d59ecb2SHans Petter Selasky pcie_flags_reg(dev) & PCI_EXP_FLAGS_SLOT); 10748d59ecb2SHans Petter Selasky } 10758d59ecb2SHans Petter Selasky 10768d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_rtctl(struct pci_dev *dev) 10778d59ecb2SHans Petter Selasky { 10788d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev); 10798d59ecb2SHans Petter Selasky 108083630517SEd Maste return pcie_cap_version(dev) > 1 || type == PCI_EXP_TYPE_ROOT_PORT || 10818d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_RC_EC; 10828d59ecb2SHans Petter Selasky } 10838d59ecb2SHans Petter Selasky 10848d59ecb2SHans Petter Selasky static bool pcie_capability_reg_implemented(struct pci_dev *dev, int pos) 10858d59ecb2SHans Petter Selasky { 10868d59ecb2SHans Petter Selasky if (!pci_is_pcie(dev)) 10878d59ecb2SHans Petter Selasky return false; 10888d59ecb2SHans Petter Selasky 10898d59ecb2SHans Petter Selasky switch (pos) { 10908d59ecb2SHans Petter Selasky case PCI_EXP_FLAGS_TYPE: 10918d59ecb2SHans Petter Selasky return true; 10928d59ecb2SHans Petter Selasky case PCI_EXP_DEVCAP: 10938d59ecb2SHans Petter Selasky case PCI_EXP_DEVCTL: 10948d59ecb2SHans Petter Selasky case PCI_EXP_DEVSTA: 10958d59ecb2SHans Petter Selasky return pcie_cap_has_devctl(dev); 10968d59ecb2SHans Petter Selasky case PCI_EXP_LNKCAP: 10978d59ecb2SHans Petter Selasky case PCI_EXP_LNKCTL: 10988d59ecb2SHans Petter Selasky case PCI_EXP_LNKSTA: 10998d59ecb2SHans Petter Selasky return pcie_cap_has_lnkctl(dev); 11008d59ecb2SHans Petter Selasky case PCI_EXP_SLTCAP: 11018d59ecb2SHans Petter Selasky case PCI_EXP_SLTCTL: 11028d59ecb2SHans Petter Selasky case PCI_EXP_SLTSTA: 11038d59ecb2SHans Petter Selasky return pcie_cap_has_sltctl(dev); 11048d59ecb2SHans Petter Selasky case PCI_EXP_RTCTL: 11058d59ecb2SHans Petter Selasky case PCI_EXP_RTCAP: 11068d59ecb2SHans Petter Selasky case PCI_EXP_RTSTA: 11078d59ecb2SHans Petter Selasky return pcie_cap_has_rtctl(dev); 11088d59ecb2SHans Petter Selasky case PCI_EXP_DEVCAP2: 11098d59ecb2SHans Petter Selasky case PCI_EXP_DEVCTL2: 11108d59ecb2SHans Petter Selasky case PCI_EXP_LNKCAP2: 11118d59ecb2SHans Petter Selasky case PCI_EXP_LNKCTL2: 11128d59ecb2SHans Petter Selasky case PCI_EXP_LNKSTA2: 11138d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1; 11148d59ecb2SHans Petter Selasky default: 11158d59ecb2SHans Petter Selasky return false; 11168d59ecb2SHans Petter Selasky } 11178d59ecb2SHans Petter Selasky } 11188d59ecb2SHans Petter Selasky 111912af734dSHans Petter Selasky static inline int 112012af734dSHans Petter Selasky pcie_capability_read_dword(struct pci_dev *dev, int pos, u32 *dst) 1121a65ef215SHans Petter Selasky { 1122a65ef215SHans Petter Selasky if (pos & 3) 1123a65ef215SHans Petter Selasky return -EINVAL; 1124a65ef215SHans Petter Selasky 1125a65ef215SHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 1126a65ef215SHans Petter Selasky return -EINVAL; 1127a65ef215SHans Petter Selasky 1128a65ef215SHans Petter Selasky return pci_read_config_dword(dev, pci_pcie_cap(dev) + pos, dst); 1129a65ef215SHans Petter Selasky } 11308d59ecb2SHans Petter Selasky 113112af734dSHans Petter Selasky static inline int 113212af734dSHans Petter Selasky pcie_capability_read_word(struct pci_dev *dev, int pos, u16 *dst) 113312af734dSHans Petter Selasky { 113412af734dSHans Petter Selasky if (pos & 3) 113512af734dSHans Petter Selasky return -EINVAL; 113612af734dSHans Petter Selasky 113712af734dSHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 113812af734dSHans Petter Selasky return -EINVAL; 113912af734dSHans Petter Selasky 114012af734dSHans Petter Selasky return pci_read_config_word(dev, pci_pcie_cap(dev) + pos, dst); 114112af734dSHans Petter Selasky } 114212af734dSHans Petter Selasky 114312af734dSHans Petter Selasky static inline int 114412af734dSHans Petter Selasky pcie_capability_write_word(struct pci_dev *dev, int pos, u16 val) 11458d59ecb2SHans Petter Selasky { 11468d59ecb2SHans Petter Selasky if (pos & 1) 11478d59ecb2SHans Petter Selasky return -EINVAL; 11488d59ecb2SHans Petter Selasky 11498d59ecb2SHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos)) 11508d59ecb2SHans Petter Selasky return 0; 11518d59ecb2SHans Petter Selasky 11528d59ecb2SHans Petter Selasky return pci_write_config_word(dev, pci_pcie_cap(dev) + pos, val); 11538d59ecb2SHans Petter Selasky } 11548d59ecb2SHans Petter Selasky 115585eb99f9SBjoern A. Zeeb static inline int 115685eb99f9SBjoern A. Zeeb pcie_capability_set_word(struct pci_dev *dev, int pos, uint16_t val) 115785eb99f9SBjoern A. Zeeb { 115885eb99f9SBjoern A. Zeeb int error; 115985eb99f9SBjoern A. Zeeb uint16_t v; 116085eb99f9SBjoern A. Zeeb 116185eb99f9SBjoern A. Zeeb error = pcie_capability_read_word(dev, pos, &v); 116285eb99f9SBjoern A. Zeeb if (error != 0) 116385eb99f9SBjoern A. Zeeb return (error); 116485eb99f9SBjoern A. Zeeb 116585eb99f9SBjoern A. Zeeb v |= val; 116685eb99f9SBjoern A. Zeeb 116785eb99f9SBjoern A. Zeeb error = pcie_capability_write_word(dev, pos, v); 116885eb99f9SBjoern A. Zeeb return (error); 116985eb99f9SBjoern A. Zeeb } 117085eb99f9SBjoern A. Zeeb 1171c41d8354SBjoern A. Zeeb static inline int 1172c41d8354SBjoern A. Zeeb pcie_capability_clear_word(struct pci_dev *dev, int pos, uint16_t val) 1173c41d8354SBjoern A. Zeeb { 1174c41d8354SBjoern A. Zeeb int error; 1175c41d8354SBjoern A. Zeeb uint16_t v; 1176c41d8354SBjoern A. Zeeb 1177c41d8354SBjoern A. Zeeb error = pcie_capability_read_word(dev, pos, &v); 1178c41d8354SBjoern A. Zeeb if (error != 0) 1179c41d8354SBjoern A. Zeeb return (error); 1180c41d8354SBjoern A. Zeeb 1181c41d8354SBjoern A. Zeeb v &= ~val; 1182c41d8354SBjoern A. Zeeb 1183c41d8354SBjoern A. Zeeb error = pcie_capability_write_word(dev, pos, v); 1184c41d8354SBjoern A. Zeeb return (error); 1185c41d8354SBjoern A. Zeeb } 1186c41d8354SBjoern A. Zeeb 1187a65ef215SHans Petter Selasky static inline int pcie_get_minimum_link(struct pci_dev *dev, 1188a65ef215SHans Petter Selasky enum pci_bus_speed *speed, enum pcie_link_width *width) 1189a65ef215SHans Petter Selasky { 1190a65ef215SHans Petter Selasky *speed = PCI_SPEED_UNKNOWN; 1191a65ef215SHans Petter Selasky *width = PCIE_LNK_WIDTH_UNKNOWN; 1192a65ef215SHans Petter Selasky return (0); 1193a65ef215SHans Petter Selasky } 1194a65ef215SHans Petter Selasky 1195a65ef215SHans Petter Selasky static inline int 1196a65ef215SHans Petter Selasky pci_num_vf(struct pci_dev *dev) 1197a65ef215SHans Petter Selasky { 1198a65ef215SHans Petter Selasky return (0); 1199a65ef215SHans Petter Selasky } 1200a65ef215SHans Petter Selasky 1201ab62989aSHans Petter Selasky static inline enum pci_bus_speed 1202ab62989aSHans Petter Selasky pcie_get_speed_cap(struct pci_dev *dev) 1203ab62989aSHans Petter Selasky { 1204ab62989aSHans Petter Selasky device_t root; 1205ab62989aSHans Petter Selasky uint32_t lnkcap, lnkcap2; 1206ab62989aSHans Petter Selasky int error, pos; 1207ab62989aSHans Petter Selasky 1208ab62989aSHans Petter Selasky root = device_get_parent(dev->dev.bsddev); 1209ab62989aSHans Petter Selasky if (root == NULL) 1210ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1211ab62989aSHans Petter Selasky root = device_get_parent(root); 1212ab62989aSHans Petter Selasky if (root == NULL) 1213ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1214ab62989aSHans Petter Selasky root = device_get_parent(root); 1215ab62989aSHans Petter Selasky if (root == NULL) 1216ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1217ab62989aSHans Petter Selasky 1218ab62989aSHans Petter Selasky if (pci_get_vendor(root) == PCI_VENDOR_ID_VIA || 1219ab62989aSHans Petter Selasky pci_get_vendor(root) == PCI_VENDOR_ID_SERVERWORKS) 1220ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1221ab62989aSHans Petter Selasky 1222ab62989aSHans Petter Selasky if ((error = pci_find_cap(root, PCIY_EXPRESS, &pos)) != 0) 1223ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1224ab62989aSHans Petter Selasky 1225ab62989aSHans Petter Selasky lnkcap2 = pci_read_config(root, pos + PCIER_LINK_CAP2, 4); 1226ab62989aSHans Petter Selasky 1227ab62989aSHans Petter Selasky if (lnkcap2) { /* PCIe r3.0-compliant */ 1228ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_2_5GB) 1229ab62989aSHans Petter Selasky return (PCIE_SPEED_2_5GT); 1230ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_5_0GB) 1231ab62989aSHans Petter Selasky return (PCIE_SPEED_5_0GT); 1232ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB) 1233ab62989aSHans Petter Selasky return (PCIE_SPEED_8_0GT); 1234ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_16_0GB) 1235ab62989aSHans Petter Selasky return (PCIE_SPEED_16_0GT); 1236ab62989aSHans Petter Selasky } else { /* pre-r3.0 */ 1237ab62989aSHans Petter Selasky lnkcap = pci_read_config(root, pos + PCIER_LINK_CAP, 4); 1238ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_2_5GB) 1239ab62989aSHans Petter Selasky return (PCIE_SPEED_2_5GT); 1240ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_5_0GB) 1241ab62989aSHans Petter Selasky return (PCIE_SPEED_5_0GT); 1242ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_8_0GB) 1243ab62989aSHans Petter Selasky return (PCIE_SPEED_8_0GT); 1244ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_16_0GB) 1245ab62989aSHans Petter Selasky return (PCIE_SPEED_16_0GT); 1246ab62989aSHans Petter Selasky } 1247ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN); 1248ab62989aSHans Petter Selasky } 1249ab62989aSHans Petter Selasky 1250ab62989aSHans Petter Selasky static inline enum pcie_link_width 1251ab62989aSHans Petter Selasky pcie_get_width_cap(struct pci_dev *dev) 1252ab62989aSHans Petter Selasky { 1253ab62989aSHans Petter Selasky uint32_t lnkcap; 1254ab62989aSHans Petter Selasky 1255ab62989aSHans Petter Selasky pcie_capability_read_dword(dev, PCI_EXP_LNKCAP, &lnkcap); 1256ab62989aSHans Petter Selasky if (lnkcap) 1257ab62989aSHans Petter Selasky return ((lnkcap & PCI_EXP_LNKCAP_MLW) >> 4); 1258ab62989aSHans Petter Selasky 1259ab62989aSHans Petter Selasky return (PCIE_LNK_WIDTH_UNKNOWN); 1260ab62989aSHans Petter Selasky } 1261ab62989aSHans Petter Selasky 1262b4edb17cSHans Petter Selasky static inline int 1263b4edb17cSHans Petter Selasky pcie_get_mps(struct pci_dev *dev) 1264b4edb17cSHans Petter Selasky { 1265b4edb17cSHans Petter Selasky return (pci_get_max_payload(dev->dev.bsddev)); 1266b4edb17cSHans Petter Selasky } 1267b4edb17cSHans Petter Selasky 1268b4edb17cSHans Petter Selasky static inline uint32_t 1269b4edb17cSHans Petter Selasky PCIE_SPEED2MBS_ENC(enum pci_bus_speed spd) 1270b4edb17cSHans Petter Selasky { 1271b4edb17cSHans Petter Selasky 1272b4edb17cSHans Petter Selasky switch(spd) { 1273b4edb17cSHans Petter Selasky case PCIE_SPEED_16_0GT: 1274b4edb17cSHans Petter Selasky return (16000 * 128 / 130); 1275b4edb17cSHans Petter Selasky case PCIE_SPEED_8_0GT: 1276b4edb17cSHans Petter Selasky return (8000 * 128 / 130); 1277b4edb17cSHans Petter Selasky case PCIE_SPEED_5_0GT: 1278b4edb17cSHans Petter Selasky return (5000 * 8 / 10); 1279b4edb17cSHans Petter Selasky case PCIE_SPEED_2_5GT: 1280b4edb17cSHans Petter Selasky return (2500 * 8 / 10); 1281b4edb17cSHans Petter Selasky default: 1282b4edb17cSHans Petter Selasky return (0); 1283b4edb17cSHans Petter Selasky } 1284b4edb17cSHans Petter Selasky } 1285b4edb17cSHans Petter Selasky 1286b4edb17cSHans Petter Selasky static inline uint32_t 1287b4edb17cSHans Petter Selasky pcie_bandwidth_available(struct pci_dev *pdev, 1288b4edb17cSHans Petter Selasky struct pci_dev **limiting, 1289b4edb17cSHans Petter Selasky enum pci_bus_speed *speed, 1290b4edb17cSHans Petter Selasky enum pcie_link_width *width) 1291b4edb17cSHans Petter Selasky { 1292b4edb17cSHans Petter Selasky enum pci_bus_speed nspeed = pcie_get_speed_cap(pdev); 1293b4edb17cSHans Petter Selasky enum pcie_link_width nwidth = pcie_get_width_cap(pdev); 1294b4edb17cSHans Petter Selasky 1295b4edb17cSHans Petter Selasky if (speed) 1296b4edb17cSHans Petter Selasky *speed = nspeed; 1297b4edb17cSHans Petter Selasky if (width) 1298b4edb17cSHans Petter Selasky *width = nwidth; 1299b4edb17cSHans Petter Selasky 1300b4edb17cSHans Petter Selasky return (nwidth * PCIE_SPEED2MBS_ENC(nspeed)); 1301b4edb17cSHans Petter Selasky } 1302b4edb17cSHans Petter Selasky 13038e106c52SBjoern A. Zeeb static inline struct pci_dev * 13048e106c52SBjoern A. Zeeb pcie_find_root_port(struct pci_dev *pdev) 13058e106c52SBjoern A. Zeeb { 13068e106c52SBjoern A. Zeeb device_t root; 13078e106c52SBjoern A. Zeeb 13088e106c52SBjoern A. Zeeb if (pdev->root != NULL) 13098e106c52SBjoern A. Zeeb return (pdev->root); 13108e106c52SBjoern A. Zeeb 13118e106c52SBjoern A. Zeeb root = pci_find_pcie_root_port(pdev->dev.bsddev); 13128e106c52SBjoern A. Zeeb if (root == NULL) 13138e106c52SBjoern A. Zeeb return (NULL); 13148e106c52SBjoern A. Zeeb 13158e106c52SBjoern A. Zeeb pdev->root = lkpinew_pci_dev(root); 13168e106c52SBjoern A. Zeeb return (pdev->root); 13178e106c52SBjoern A. Zeeb } 13188e106c52SBjoern A. Zeeb 13198e106c52SBjoern A. Zeeb /* This is needed when people rip out the device "HotPlug". */ 13208e106c52SBjoern A. Zeeb static inline void 13218e106c52SBjoern A. Zeeb pci_lock_rescan_remove(void) 13228e106c52SBjoern A. Zeeb { 13238e106c52SBjoern A. Zeeb } 13248e106c52SBjoern A. Zeeb 13258e106c52SBjoern A. Zeeb static inline void 13268e106c52SBjoern A. Zeeb pci_unlock_rescan_remove(void) 13278e106c52SBjoern A. Zeeb { 13288e106c52SBjoern A. Zeeb } 13298e106c52SBjoern A. Zeeb 13308e106c52SBjoern A. Zeeb static __inline void 13318e106c52SBjoern A. Zeeb pci_stop_and_remove_bus_device(struct pci_dev *pdev) 13328e106c52SBjoern A. Zeeb { 13338e106c52SBjoern A. Zeeb } 13348e106c52SBjoern A. Zeeb 1335253dbe74SHans Petter Selasky /* 1336253dbe74SHans Petter Selasky * The following functions can be used to attach/detach the LinuxKPI's 1337253dbe74SHans Petter Selasky * PCI device runtime. The pci_driver and pci_device_id pointer is 1338253dbe74SHans Petter Selasky * allowed to be NULL. Other pointers must be all valid. 1339253dbe74SHans Petter Selasky * The pci_dev structure should be zero-initialized before passed 1340253dbe74SHans Petter Selasky * to the linux_pci_attach_device function. 1341253dbe74SHans Petter Selasky */ 1342253dbe74SHans Petter Selasky extern int linux_pci_attach_device(device_t, struct pci_driver *, 1343253dbe74SHans Petter Selasky const struct pci_device_id *, struct pci_dev *); 1344253dbe74SHans Petter Selasky extern int linux_pci_detach_device(struct pci_dev *); 1345253dbe74SHans Petter Selasky 13465e30a739SEmmanuel Vadot static inline int 13475e30a739SEmmanuel Vadot pci_dev_present(const struct pci_device_id *cur) 13485e30a739SEmmanuel Vadot { 13495e30a739SEmmanuel Vadot while (cur != NULL && (cur->vendor || cur->device)) { 13505e30a739SEmmanuel Vadot if (pci_find_device(cur->vendor, cur->device) != NULL) { 13515e30a739SEmmanuel Vadot return (1); 13525e30a739SEmmanuel Vadot } 13535e30a739SEmmanuel Vadot cur++; 13545e30a739SEmmanuel Vadot } 13555e30a739SEmmanuel Vadot return (0); 13565e30a739SEmmanuel Vadot } 13575e30a739SEmmanuel Vadot 1358105a37caSEmmanuel Vadot struct pci_dev *lkpi_pci_get_domain_bus_and_slot(int domain, 1359105a37caSEmmanuel Vadot unsigned int bus, unsigned int devfn); 1360105a37caSEmmanuel Vadot #define pci_get_domain_bus_and_slot(domain, bus, devfn) \ 1361105a37caSEmmanuel Vadot lkpi_pci_get_domain_bus_and_slot(domain, bus, devfn) 1362105a37caSEmmanuel Vadot 1363105a37caSEmmanuel Vadot static inline int 1364105a37caSEmmanuel Vadot pci_domain_nr(struct pci_bus *pbus) 1365105a37caSEmmanuel Vadot { 1366105a37caSEmmanuel Vadot 13671fac2cb4SBjoern A. Zeeb return (pbus->domain); 1368105a37caSEmmanuel Vadot } 1369105a37caSEmmanuel Vadot 1370105a37caSEmmanuel Vadot static inline int 1371105a37caSEmmanuel Vadot pci_bus_read_config(struct pci_bus *bus, unsigned int devfn, 1372105a37caSEmmanuel Vadot int pos, uint32_t *val, int len) 1373105a37caSEmmanuel Vadot { 1374105a37caSEmmanuel Vadot 1375105a37caSEmmanuel Vadot *val = pci_read_config(bus->self->dev.bsddev, pos, len); 1376105a37caSEmmanuel Vadot return (0); 1377105a37caSEmmanuel Vadot } 1378105a37caSEmmanuel Vadot 1379105a37caSEmmanuel Vadot static inline int 1380105a37caSEmmanuel Vadot pci_bus_read_config_word(struct pci_bus *bus, unsigned int devfn, int pos, u16 *val) 1381105a37caSEmmanuel Vadot { 1382105a37caSEmmanuel Vadot uint32_t tmp; 1383105a37caSEmmanuel Vadot int ret; 1384105a37caSEmmanuel Vadot 1385105a37caSEmmanuel Vadot ret = pci_bus_read_config(bus, devfn, pos, &tmp, 2); 1386105a37caSEmmanuel Vadot *val = (u16)tmp; 1387105a37caSEmmanuel Vadot return (ret); 1388105a37caSEmmanuel Vadot } 1389105a37caSEmmanuel Vadot 1390105a37caSEmmanuel Vadot static inline int 1391105a37caSEmmanuel Vadot pci_bus_read_config_byte(struct pci_bus *bus, unsigned int devfn, int pos, u8 *val) 1392105a37caSEmmanuel Vadot { 1393105a37caSEmmanuel Vadot uint32_t tmp; 1394105a37caSEmmanuel Vadot int ret; 1395105a37caSEmmanuel Vadot 1396105a37caSEmmanuel Vadot ret = pci_bus_read_config(bus, devfn, pos, &tmp, 1); 1397105a37caSEmmanuel Vadot *val = (u8)tmp; 1398105a37caSEmmanuel Vadot return (ret); 1399105a37caSEmmanuel Vadot } 1400105a37caSEmmanuel Vadot 1401105a37caSEmmanuel Vadot static inline int 1402105a37caSEmmanuel Vadot pci_bus_write_config(struct pci_bus *bus, unsigned int devfn, int pos, 1403105a37caSEmmanuel Vadot uint32_t val, int size) 1404105a37caSEmmanuel Vadot { 1405105a37caSEmmanuel Vadot 1406105a37caSEmmanuel Vadot pci_write_config(bus->self->dev.bsddev, pos, val, size); 1407105a37caSEmmanuel Vadot return (0); 1408105a37caSEmmanuel Vadot } 1409105a37caSEmmanuel Vadot 1410105a37caSEmmanuel Vadot static inline int 1411105a37caSEmmanuel Vadot pci_bus_write_config_byte(struct pci_bus *bus, unsigned int devfn, int pos, 1412105a37caSEmmanuel Vadot uint8_t val) 1413105a37caSEmmanuel Vadot { 1414105a37caSEmmanuel Vadot return (pci_bus_write_config(bus, devfn, pos, val, 1)); 1415105a37caSEmmanuel Vadot } 1416105a37caSEmmanuel Vadot 1417105a37caSEmmanuel Vadot static inline int 1418105a37caSEmmanuel Vadot pci_bus_write_config_word(struct pci_bus *bus, unsigned int devfn, int pos, 1419105a37caSEmmanuel Vadot uint16_t val) 1420105a37caSEmmanuel Vadot { 1421105a37caSEmmanuel Vadot return (pci_bus_write_config(bus, devfn, pos, val, 2)); 1422105a37caSEmmanuel Vadot } 1423105a37caSEmmanuel Vadot 1424105a37caSEmmanuel Vadot struct pci_dev *lkpi_pci_get_class(unsigned int class, struct pci_dev *from); 1425105a37caSEmmanuel Vadot #define pci_get_class(class, from) lkpi_pci_get_class(class, from) 1426105a37caSEmmanuel Vadot 1427d4a4960cSBjoern A. Zeeb /* -------------------------------------------------------------------------- */ 1428d4a4960cSBjoern A. Zeeb 1429d4a4960cSBjoern A. Zeeb static inline int 1430d4a4960cSBjoern A. Zeeb pcim_enable_device(struct pci_dev *pdev) 1431d4a4960cSBjoern A. Zeeb { 1432d4a4960cSBjoern A. Zeeb struct pci_devres *dr; 1433d4a4960cSBjoern A. Zeeb int error; 1434d4a4960cSBjoern A. Zeeb 1435d4a4960cSBjoern A. Zeeb /* Here we cannot run through the pdev->managed check. */ 1436d4a4960cSBjoern A. Zeeb dr = lkpi_pci_devres_get_alloc(pdev); 1437d4a4960cSBjoern A. Zeeb if (dr == NULL) 1438d4a4960cSBjoern A. Zeeb return (-ENOMEM); 1439d4a4960cSBjoern A. Zeeb 1440d4a4960cSBjoern A. Zeeb /* If resources were enabled before do not do it again. */ 1441d4a4960cSBjoern A. Zeeb if (dr->enable_io) 1442d4a4960cSBjoern A. Zeeb return (0); 1443d4a4960cSBjoern A. Zeeb 1444d4a4960cSBjoern A. Zeeb error = pci_enable_device(pdev); 1445d4a4960cSBjoern A. Zeeb if (error == 0) 1446d4a4960cSBjoern A. Zeeb dr->enable_io = true; 1447d4a4960cSBjoern A. Zeeb 1448d4a4960cSBjoern A. Zeeb /* This device is not managed. */ 1449d4a4960cSBjoern A. Zeeb pdev->managed = true; 1450d4a4960cSBjoern A. Zeeb 1451d4a4960cSBjoern A. Zeeb return (error); 1452d4a4960cSBjoern A. Zeeb } 1453d4a4960cSBjoern A. Zeeb 1454d4a4960cSBjoern A. Zeeb static inline void __iomem ** 1455d4a4960cSBjoern A. Zeeb pcim_iomap_table(struct pci_dev *pdev) 1456d4a4960cSBjoern A. Zeeb { 1457d4a4960cSBjoern A. Zeeb struct pcim_iomap_devres *dr; 1458d4a4960cSBjoern A. Zeeb 1459d4a4960cSBjoern A. Zeeb dr = lkpi_pcim_iomap_devres_find(pdev); 1460d4a4960cSBjoern A. Zeeb if (dr == NULL) 1461d4a4960cSBjoern A. Zeeb return (NULL); 1462d4a4960cSBjoern A. Zeeb 1463d4a4960cSBjoern A. Zeeb /* 1464d4a4960cSBjoern A. Zeeb * If the driver has manually set a flag to be able to request the 1465d4a4960cSBjoern A. Zeeb * resource to use bus_read/write_<n>, return the shadow table. 1466d4a4960cSBjoern A. Zeeb */ 1467d4a4960cSBjoern A. Zeeb if (pdev->want_iomap_res) 1468d4a4960cSBjoern A. Zeeb return ((void **)dr->res_table); 1469d4a4960cSBjoern A. Zeeb 1470d4a4960cSBjoern A. Zeeb /* This is the Linux default. */ 1471d4a4960cSBjoern A. Zeeb return (dr->mmio_table); 1472d4a4960cSBjoern A. Zeeb } 1473d4a4960cSBjoern A. Zeeb 1474d4a4960cSBjoern A. Zeeb static inline int 1475d4a4960cSBjoern A. Zeeb pcim_iomap_regions_request_all(struct pci_dev *pdev, uint32_t mask, char *name) 1476d4a4960cSBjoern A. Zeeb { 1477d4a4960cSBjoern A. Zeeb struct pcim_iomap_devres *dr; 1478d4a4960cSBjoern A. Zeeb void *res; 1479d4a4960cSBjoern A. Zeeb uint32_t mappings, requests, req_mask; 1480d4a4960cSBjoern A. Zeeb int bar, error; 1481d4a4960cSBjoern A. Zeeb 1482d4a4960cSBjoern A. Zeeb dr = lkpi_pcim_iomap_devres_find(pdev); 1483d4a4960cSBjoern A. Zeeb if (dr == NULL) 1484d4a4960cSBjoern A. Zeeb return (-ENOMEM); 1485d4a4960cSBjoern A. Zeeb 1486d4a4960cSBjoern A. Zeeb /* Request all the BARs ("regions") we do not iomap. */ 1487d4a4960cSBjoern A. Zeeb req_mask = ((1 << (PCIR_MAX_BAR_0 + 1)) - 1) & ~mask; 1488d4a4960cSBjoern A. Zeeb for (bar = requests = 0; requests != req_mask; bar++) { 1489d4a4960cSBjoern A. Zeeb if ((req_mask & (1 << bar)) == 0) 1490d4a4960cSBjoern A. Zeeb continue; 1491d4a4960cSBjoern A. Zeeb error = pci_request_region(pdev, bar, name); 1492d4a4960cSBjoern A. Zeeb if (error != 0 && error != -ENODEV) 1493d4a4960cSBjoern A. Zeeb goto err; 1494d4a4960cSBjoern A. Zeeb requests |= (1 << bar); 1495d4a4960cSBjoern A. Zeeb } 1496d4a4960cSBjoern A. Zeeb 1497d4a4960cSBjoern A. Zeeb /* Now iomap all the requested (by "mask") ones. */ 1498d4a4960cSBjoern A. Zeeb for (bar = mappings = 0; mappings != mask; bar++) { 1499d4a4960cSBjoern A. Zeeb if ((mask & (1 << bar)) == 0) 1500d4a4960cSBjoern A. Zeeb continue; 1501d4a4960cSBjoern A. Zeeb 1502d4a4960cSBjoern A. Zeeb /* Request double is not allowed. */ 1503d4a4960cSBjoern A. Zeeb if (dr->mmio_table[bar] != NULL) { 1504d4a4960cSBjoern A. Zeeb device_printf(pdev->dev.bsddev, "%s: bar %d %p\n", 1505d4a4960cSBjoern A. Zeeb __func__, bar, dr->mmio_table[bar]); 1506d4a4960cSBjoern A. Zeeb goto err; 1507d4a4960cSBjoern A. Zeeb } 1508d4a4960cSBjoern A. Zeeb 1509d4a4960cSBjoern A. Zeeb res = _lkpi_pci_iomap(pdev, bar, 0); 1510d4a4960cSBjoern A. Zeeb if (res == NULL) 1511d4a4960cSBjoern A. Zeeb goto err; 1512d4a4960cSBjoern A. Zeeb dr->mmio_table[bar] = (void *)rman_get_bushandle(res); 1513d4a4960cSBjoern A. Zeeb dr->res_table[bar] = res; 1514d4a4960cSBjoern A. Zeeb 1515d4a4960cSBjoern A. Zeeb mappings |= (1 << bar); 1516d4a4960cSBjoern A. Zeeb } 1517d4a4960cSBjoern A. Zeeb 1518d4a4960cSBjoern A. Zeeb return (0); 1519d4a4960cSBjoern A. Zeeb 1520d4a4960cSBjoern A. Zeeb err: 1521d4a4960cSBjoern A. Zeeb for (bar = PCIR_MAX_BAR_0; bar >= 0; bar--) { 1522d4a4960cSBjoern A. Zeeb if ((mappings & (1 << bar)) != 0) { 1523d4a4960cSBjoern A. Zeeb res = dr->mmio_table[bar]; 1524d4a4960cSBjoern A. Zeeb if (res == NULL) 1525d4a4960cSBjoern A. Zeeb continue; 1526d4a4960cSBjoern A. Zeeb pci_iounmap(pdev, res); 1527d4a4960cSBjoern A. Zeeb } else if ((requests & (1 << bar)) != 0) { 1528d4a4960cSBjoern A. Zeeb pci_release_region(pdev, bar); 1529d4a4960cSBjoern A. Zeeb } 1530d4a4960cSBjoern A. Zeeb } 1531d4a4960cSBjoern A. Zeeb 1532d4a4960cSBjoern A. Zeeb return (-EINVAL); 1533d4a4960cSBjoern A. Zeeb } 1534d4a4960cSBjoern A. Zeeb 1535d4a4960cSBjoern A. Zeeb /* This is a FreeBSD extension so we can use bus_*(). */ 1536d4a4960cSBjoern A. Zeeb static inline void 1537d4a4960cSBjoern A. Zeeb linuxkpi_pcim_want_to_use_bus_functions(struct pci_dev *pdev) 1538d4a4960cSBjoern A. Zeeb { 1539d4a4960cSBjoern A. Zeeb pdev->want_iomap_res = true; 1540d4a4960cSBjoern A. Zeeb } 1541d4a4960cSBjoern A. Zeeb 15426890e327SEmmanuel Vadot static inline bool 15436890e327SEmmanuel Vadot pci_is_thunderbolt_attached(struct pci_dev *pdev) 15446890e327SEmmanuel Vadot { 15456890e327SEmmanuel Vadot 15466890e327SEmmanuel Vadot return (false); 15476890e327SEmmanuel Vadot } 15486890e327SEmmanuel Vadot 15496890e327SEmmanuel Vadot static inline void * 15506890e327SEmmanuel Vadot pci_platform_rom(struct pci_dev *pdev, size_t *size) 15516890e327SEmmanuel Vadot { 15526890e327SEmmanuel Vadot 15536890e327SEmmanuel Vadot return (NULL); 15546890e327SEmmanuel Vadot } 15556890e327SEmmanuel Vadot 15566890e327SEmmanuel Vadot static inline void 15576890e327SEmmanuel Vadot pci_ignore_hotplug(struct pci_dev *pdev) 15586890e327SEmmanuel Vadot { 15596890e327SEmmanuel Vadot } 15606890e327SEmmanuel Vadot 15616890e327SEmmanuel Vadot static inline int 15626890e327SEmmanuel Vadot pcie_get_readrq(struct pci_dev *dev) 15636890e327SEmmanuel Vadot { 15646890e327SEmmanuel Vadot u16 ctl; 15656890e327SEmmanuel Vadot 15666890e327SEmmanuel Vadot if (pcie_capability_read_word(dev, PCI_EXP_DEVCTL, &ctl)) 15676890e327SEmmanuel Vadot return (-EINVAL); 15686890e327SEmmanuel Vadot 15696890e327SEmmanuel Vadot return (128 << ((ctl & PCI_EXP_DEVCTL_READRQ) >> 12)); 15706890e327SEmmanuel Vadot } 15716890e327SEmmanuel Vadot 1572307f78f3SVladimir Kondratyev #endif /* _LINUXKPI_LINUX_PCI_H_ */ 1573