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 */
33307f78f3SVladimir Kondratyev #ifndef _LINUXKPI_LINUX_PCI_H_
34307f78f3SVladimir Kondratyev #define _LINUXKPI_LINUX_PCI_H_
358d59ecb2SHans Petter Selasky
368d59ecb2SHans Petter Selasky #define CONFIG_PCI_MSI
378d59ecb2SHans Petter Selasky
388d59ecb2SHans Petter Selasky #include <linux/types.h>
398d59ecb2SHans Petter Selasky
408d59ecb2SHans Petter Selasky #include <sys/param.h>
418d59ecb2SHans Petter Selasky #include <sys/bus.h>
425493c627SBjoern A. Zeeb #include <sys/module.h>
432928e60eSKonstantin Belousov #include <sys/nv.h>
448d59ecb2SHans Petter Selasky #include <sys/pciio.h>
458d59ecb2SHans Petter Selasky #include <dev/pci/pcivar.h>
468d59ecb2SHans Petter Selasky #include <dev/pci/pcireg.h>
478d59ecb2SHans Petter Selasky #include <dev/pci/pci_private.h>
488d59ecb2SHans Petter Selasky
498d59ecb2SHans Petter Selasky #include <machine/resource.h>
508d59ecb2SHans Petter Selasky
518d59ecb2SHans Petter Selasky #include <linux/list.h>
528d59ecb2SHans Petter Selasky #include <linux/dmapool.h>
538d59ecb2SHans Petter Selasky #include <linux/dma-mapping.h>
548d59ecb2SHans Petter Selasky #include <linux/compiler.h>
558d59ecb2SHans Petter Selasky #include <linux/errno.h>
568d59ecb2SHans Petter Selasky #include <asm/atomic.h>
5783df72e5SJean-Sébastien Pédron #include <asm/memtype.h>
588d59ecb2SHans Petter Selasky #include <linux/device.h>
595a402a3aSBjoern A. Zeeb #include <linux/pci_ids.h>
600e981d79SBjoern A. Zeeb #include <linux/pm.h>
618d59ecb2SHans Petter Selasky
628d59ecb2SHans Petter Selasky struct pci_device_id {
638d59ecb2SHans Petter Selasky uint32_t vendor;
648d59ecb2SHans Petter Selasky uint32_t device;
658d59ecb2SHans Petter Selasky uint32_t subvendor;
668d59ecb2SHans Petter Selasky uint32_t subdevice;
676373e95eSMark Johnston uint32_t class;
688d59ecb2SHans Petter Selasky uint32_t class_mask;
698d59ecb2SHans Petter Selasky uintptr_t driver_data;
708d59ecb2SHans Petter Selasky };
718d59ecb2SHans Petter Selasky
725493c627SBjoern A. Zeeb /* Linux has an empty element at the end of the ID table -> nitems() - 1. */
735493c627SBjoern A. Zeeb #define MODULE_DEVICE_TABLE(_bus, _table) \
745493c627SBjoern A. Zeeb \
755493c627SBjoern A. Zeeb static device_method_t _ ## _bus ## _ ## _table ## _methods[] = { \
765493c627SBjoern A. Zeeb DEVMETHOD_END \
775493c627SBjoern A. Zeeb }; \
785493c627SBjoern A. Zeeb \
795493c627SBjoern A. Zeeb static driver_t _ ## _bus ## _ ## _table ## _driver = { \
805493c627SBjoern A. Zeeb "lkpi_" #_bus #_table, \
815493c627SBjoern A. Zeeb _ ## _bus ## _ ## _table ## _methods, \
825493c627SBjoern A. Zeeb 0 \
835493c627SBjoern A. Zeeb }; \
845493c627SBjoern A. Zeeb \
855493c627SBjoern A. Zeeb DRIVER_MODULE(lkpi_ ## _table, pci, _ ## _bus ## _ ## _table ## _driver,\
86a65d0774SJohn Baldwin 0, 0); \
875493c627SBjoern A. Zeeb \
885493c627SBjoern A. Zeeb MODULE_PNP_INFO("U32:vendor;U32:device;V32:subvendor;V32:subdevice", \
895493c627SBjoern A. Zeeb _bus, lkpi_ ## _table, _table, nitems(_table) - 1)
90ecf29cf1SMark Johnston
91232028b3SHans Petter Selasky #define PCI_ANY_ID -1U
928d59ecb2SHans Petter Selasky
938d59ecb2SHans Petter Selasky #define PCI_DEVFN(slot, func) ((((slot) & 0x1f) << 3) | ((func) & 0x07))
948d59ecb2SHans Petter Selasky #define PCI_SLOT(devfn) (((devfn) >> 3) & 0x1f)
958d59ecb2SHans Petter Selasky #define PCI_FUNC(devfn) ((devfn) & 0x07)
9613a5c70bSHans Petter Selasky #define PCI_BUS_NUM(devfn) (((devfn) >> 8) & 0xff)
97f1206503SVladimir Kondratyev #define PCI_DEVID(bus, devfn) ((((uint16_t)(bus)) << 8) | (devfn))
988d59ecb2SHans Petter Selasky
998d59ecb2SHans Petter Selasky #define PCI_VDEVICE(_vendor, _device) \
1008d59ecb2SHans Petter Selasky .vendor = PCI_VENDOR_ID_##_vendor, .device = (_device), \
1018d59ecb2SHans Petter Selasky .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID
1028d59ecb2SHans Petter Selasky #define PCI_DEVICE(_vendor, _device) \
1038d59ecb2SHans Petter Selasky .vendor = (_vendor), .device = (_device), \
1048d59ecb2SHans Petter Selasky .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID
1058d59ecb2SHans Petter Selasky
1068d59ecb2SHans Petter Selasky #define to_pci_dev(n) container_of(n, struct pci_dev, dev)
1078d59ecb2SHans Petter Selasky
10866cc55a0SJean-Sébastien Pédron #define PCI_STD_NUM_BARS 6
109a1cdddcfSBjoern A. Zeeb #define PCI_BASE_ADDRESS_0 PCIR_BARS
110a1cdddcfSBjoern A. Zeeb #define PCI_BASE_ADDRESS_MEM_TYPE_64 PCIM_BAR_MEM_64
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
1157d7d12baSBjoern A. Zeeb #define PCI_COMMAND_MEMORY PCIM_CMD_MEMEN
1168d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL /* Device Control */
1178d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCTL PCIER_LINK_CTL /* Link Control */
118fc1d8409SBjoern A. Zeeb #define PCI_EXP_LNKCTL_ASPM_L0S PCIEM_LINK_CTL_ASPMC_L0S
119fc1d8409SBjoern A. Zeeb #define PCI_EXP_LNKCTL_ASPM_L1 PCIEM_LINK_CTL_ASPMC_L1
120c4f52f71SBjoern A. Zeeb #define PCI_EXP_LNKCTL_ASPMC PCIEM_LINK_CTL_ASPMC
121fc1d8409SBjoern A. Zeeb #define PCI_EXP_LNKCTL_CLKREQ_EN PCIEM_LINK_CTL_ECPM /* Enable clock PM */
122c4f52f71SBjoern A. Zeeb #define PCI_EXP_LNKCTL_HAWD PCIEM_LINK_CTL_HAWD
1238d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_TYPE PCIEM_FLAGS_TYPE /* Device/Port type */
1248d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCAP PCIER_DEVICE_CAP /* Device capabilities */
1258d59ecb2SHans Petter Selasky #define PCI_EXP_DEVSTA PCIER_DEVICE_STA /* Device Status */
1268d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCAP PCIER_LINK_CAP /* Link Capabilities */
1278d59ecb2SHans Petter Selasky #define PCI_EXP_LNKSTA PCIER_LINK_STA /* Link Status */
1288d59ecb2SHans Petter Selasky #define PCI_EXP_SLTCAP PCIER_SLOT_CAP /* Slot Capabilities */
1298d59ecb2SHans Petter Selasky #define PCI_EXP_SLTCTL PCIER_SLOT_CTL /* Slot Control */
1308d59ecb2SHans Petter Selasky #define PCI_EXP_SLTSTA PCIER_SLOT_STA /* Slot Status */
1318d59ecb2SHans Petter Selasky #define PCI_EXP_RTCTL PCIER_ROOT_CTL /* Root Control */
1328d59ecb2SHans Petter Selasky #define PCI_EXP_RTCAP PCIER_ROOT_CAP /* Root Capabilities */
1338d59ecb2SHans Petter Selasky #define PCI_EXP_RTSTA PCIER_ROOT_STA /* Root Status */
1348d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCAP2 PCIER_DEVICE_CAP2 /* Device Capabilities 2 */
1358d59ecb2SHans Petter Selasky #define PCI_EXP_DEVCTL2 PCIER_DEVICE_CTL2 /* Device Control 2 */
136fc1d8409SBjoern A. Zeeb #define PCI_EXP_DEVCTL2_LTR_EN PCIEM_CTL2_LTR_ENABLE
13785eb99f9SBjoern A. Zeeb #define PCI_EXP_DEVCTL2_COMP_TMOUT_DIS PCIEM_CTL2_COMP_TIMO_DISABLE
1388d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCAP2 PCIER_LINK_CAP2 /* Link Capabilities 2 */
1398d59ecb2SHans Petter Selasky #define PCI_EXP_LNKCTL2 PCIER_LINK_CTL2 /* Link Control 2 */
1408d59ecb2SHans Petter Selasky #define PCI_EXP_LNKSTA2 PCIER_LINK_STA2 /* Link Status 2 */
1418d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS PCIER_FLAGS /* Capabilities register */
1428d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_VERS PCIEM_FLAGS_VERSION /* Capability version */
1438d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_ROOT_PORT PCIEM_TYPE_ROOT_PORT /* Root Port */
1448d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_ENDPOINT PCIEM_TYPE_ENDPOINT /* Express Endpoint */
1458d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_LEG_END PCIEM_TYPE_LEGACY_ENDPOINT /* Legacy Endpoint */
1468d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_DOWNSTREAM PCIEM_TYPE_DOWNSTREAM_PORT /* Downstream Port */
1478d59ecb2SHans Petter Selasky #define PCI_EXP_FLAGS_SLOT PCIEM_FLAGS_SLOT /* Slot implemented */
1488d59ecb2SHans Petter Selasky #define PCI_EXP_TYPE_RC_EC PCIEM_TYPE_ROOT_EC /* Root Complex Event Collector */
149f74c09f3SBjoern A. Zeeb #define PCI_EXP_LNKSTA_CLS PCIEM_LINK_STA_SPEED
150f74c09f3SBjoern A. Zeeb #define PCI_EXP_LNKSTA_CLS_8_0GB 0x0003 /* Current Link Speed 8.0GT/s */
151a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_2_5GB 0x01 /* Supported Link Speed 2.5GT/s */
152a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_SLS_5_0GB 0x02 /* Supported Link Speed 5.0GT/s */
1530adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP_SLS_8_0GB 0x03 /* Supported Link Speed 8.0GT/s */
1540adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP_SLS_16_0GB 0x04 /* Supported Link Speed 16.0GT/s */
1550adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP_SLS_32_0GB 0x05 /* Supported Link Speed 32.0GT/s */
1560adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP_SLS_64_0GB 0x06 /* Supported Link Speed 64.0GT/s */
157a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP_MLW 0x03f0 /* Maximum Link Width */
158a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_2_5GB 0x02 /* Supported Link Speed 2.5GT/s */
159a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_5_0GB 0x04 /* Supported Link Speed 5.0GT/s */
160a65ef215SHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_8_0GB 0x08 /* Supported Link Speed 8.0GT/s */
161ab62989aSHans Petter Selasky #define PCI_EXP_LNKCAP2_SLS_16_0GB 0x10 /* Supported Link Speed 16.0GT/s */
1620adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP2_SLS_32_0GB 0x20 /* Supported Link Speed 32.0GT/s */
1630adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCAP2_SLS_64_0GB 0x40 /* Supported Link Speed 64.0GT/s */
16478a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS 0x000f
16578a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_2_5GT 0x0001 /* Supported Speed 2.5GT/s */
16678a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_5_0GT 0x0002 /* Supported Speed 5GT/s */
16778a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_8_0GT 0x0003 /* Supported Speed 8GT/s */
16878a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_16_0GT 0x0004 /* Supported Speed 16GT/s */
16978a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TLS_32_0GT 0x0005 /* Supported Speed 32GT/s */
1700adc02a9SJean-Sébastien Pédron #define PCI_EXP_LNKCTL2_TLS_64_0GT 0x0006 /* Supported Speed 64GT/s */
17178a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_ENTER_COMP 0x0010 /* Enter Compliance */
17278a02d8bSVladimir Kondratyev #define PCI_EXP_LNKCTL2_TX_MARGIN 0x0380 /* Transmit Margin */
1738d59ecb2SHans Petter Selasky
1745f2f582cSBjoern A. Zeeb #define PCI_MSI_ADDRESS_LO PCIR_MSI_ADDR
1755f2f582cSBjoern A. Zeeb #define PCI_MSI_ADDRESS_HI PCIR_MSI_ADDR_HIGH
1765f2f582cSBjoern A. Zeeb #define PCI_MSI_FLAGS PCIR_MSI_CTRL
1775f2f582cSBjoern A. Zeeb #define PCI_MSI_FLAGS_ENABLE PCIM_MSICTRL_MSI_ENABLE
1784152ce21SJean-Sébastien Pédron #define PCI_MSIX_FLAGS PCIR_MSIX_CTRL
1794152ce21SJean-Sébastien Pédron #define PCI_MSIX_FLAGS_ENABLE PCIM_MSIXCTRL_MSIX_ENABLE
1805f2f582cSBjoern A. Zeeb
18112af734dSHans Petter Selasky #define PCI_EXP_LNKCAP_CLKPM 0x00040000
18212af734dSHans Petter Selasky #define PCI_EXP_DEVSTA_TRPND 0x0020
18312af734dSHans Petter Selasky
184bdff61f8SHans Petter Selasky #define IORESOURCE_MEM (1 << SYS_RES_MEMORY)
185bdff61f8SHans Petter Selasky #define IORESOURCE_IO (1 << SYS_RES_IOPORT)
186bdff61f8SHans Petter Selasky #define IORESOURCE_IRQ (1 << SYS_RES_IRQ)
1878d59ecb2SHans Petter Selasky
188a65ef215SHans Petter Selasky enum pci_bus_speed {
189a65ef215SHans Petter Selasky PCI_SPEED_UNKNOWN = -1,
190a65ef215SHans Petter Selasky PCIE_SPEED_2_5GT,
191a65ef215SHans Petter Selasky PCIE_SPEED_5_0GT,
192a65ef215SHans Petter Selasky PCIE_SPEED_8_0GT,
193ab62989aSHans Petter Selasky PCIE_SPEED_16_0GT,
1940adc02a9SJean-Sébastien Pédron PCIE_SPEED_32_0GT,
1950adc02a9SJean-Sébastien Pédron PCIE_SPEED_64_0GT,
196a65ef215SHans Petter Selasky };
1978d59ecb2SHans Petter Selasky
198a65ef215SHans Petter Selasky enum pcie_link_width {
199ab62989aSHans Petter Selasky PCIE_LNK_WIDTH_RESRV = 0x00,
200ab62989aSHans Petter Selasky PCIE_LNK_X1 = 0x01,
201ab62989aSHans Petter Selasky PCIE_LNK_X2 = 0x02,
202ab62989aSHans Petter Selasky PCIE_LNK_X4 = 0x04,
203ab62989aSHans Petter Selasky PCIE_LNK_X8 = 0x08,
204ab62989aSHans Petter Selasky PCIE_LNK_X12 = 0x0c,
205ab62989aSHans Petter Selasky PCIE_LNK_X16 = 0x10,
206ab62989aSHans Petter Selasky PCIE_LNK_X32 = 0x20,
207ab62989aSHans Petter Selasky PCIE_LNK_WIDTH_UNKNOWN = 0xff,
208a65ef215SHans Petter Selasky };
209a65ef215SHans Petter Selasky
210fc1d8409SBjoern A. Zeeb #define PCIE_LINK_STATE_L0S 0x00000001
211fc1d8409SBjoern A. Zeeb #define PCIE_LINK_STATE_L1 0x00000002
212fc1d8409SBjoern A. Zeeb #define PCIE_LINK_STATE_CLKPM 0x00000004
213fc1d8409SBjoern A. Zeeb
21412af734dSHans Petter Selasky typedef int pci_power_t;
21512af734dSHans Petter Selasky
21612af734dSHans Petter Selasky #define PCI_D0 PCI_POWERSTATE_D0
21712af734dSHans Petter Selasky #define PCI_D1 PCI_POWERSTATE_D1
21812af734dSHans Petter Selasky #define PCI_D2 PCI_POWERSTATE_D2
21912af734dSHans Petter Selasky #define PCI_D3hot PCI_POWERSTATE_D3
22012af734dSHans Petter Selasky #define PCI_D3cold 4
22112af734dSHans Petter Selasky
22212af734dSHans Petter Selasky #define PCI_POWER_ERROR PCI_POWERSTATE_UNKNOWN
22312af734dSHans Petter Selasky
2244cb3cb2dSJake Freeland extern const char *pci_power_names[6];
2254cb3cb2dSJake Freeland
226fc1d8409SBjoern A. Zeeb #define PCI_ERR_ROOT_COMMAND PCIR_AER_ROOTERR_CMD
227fc1d8409SBjoern A. Zeeb #define PCI_ERR_ROOT_ERR_SRC PCIR_AER_COR_SOURCE_ID
228fc1d8409SBjoern A. Zeeb
229fc1d8409SBjoern A. Zeeb #define PCI_EXT_CAP_ID_ERR PCIZ_AER
230c4f52f71SBjoern A. Zeeb #define PCI_EXT_CAP_ID_L1SS PCIZ_L1PM
231c4f52f71SBjoern A. Zeeb
232c4f52f71SBjoern A. Zeeb #define PCI_L1SS_CTL1 0x8
233c4f52f71SBjoern A. Zeeb #define PCI_L1SS_CTL1_L1SS_MASK 0xf
234fc1d8409SBjoern A. Zeeb
235366d68f2SBjoern A. Zeeb #define PCI_IRQ_LEGACY 0x01
236366d68f2SBjoern A. Zeeb #define PCI_IRQ_MSI 0x02
237366d68f2SBjoern A. Zeeb #define PCI_IRQ_MSIX 0x04
238c41d8354SBjoern A. Zeeb #define PCI_IRQ_ALL_TYPES (PCI_IRQ_MSIX|PCI_IRQ_MSI|PCI_IRQ_LEGACY)
239366d68f2SBjoern A. Zeeb
240a65ef215SHans Petter Selasky struct pci_dev;
2418d59ecb2SHans Petter Selasky
2428d59ecb2SHans Petter Selasky struct pci_driver {
243cf899348SBjoern A. Zeeb struct list_head node;
2448d59ecb2SHans Petter Selasky char *name;
2458d59ecb2SHans Petter Selasky const struct pci_device_id *id_table;
2468d59ecb2SHans Petter Selasky int (*probe)(struct pci_dev *dev, const struct pci_device_id *id);
2478d59ecb2SHans Petter Selasky void (*remove)(struct pci_dev *dev);
2488d59ecb2SHans Petter Selasky int (*suspend) (struct pci_dev *dev, pm_message_t state); /* Device suspended */
2498d59ecb2SHans Petter Selasky int (*resume) (struct pci_dev *dev); /* Device woken up */
2507d133393SHans Petter Selasky void (*shutdown) (struct pci_dev *dev); /* Device shutdown */
251b38dc0a1SMark Johnston driver_t bsddriver;
2528d59ecb2SHans Petter Selasky devclass_t bsdclass;
25388156ba5SMark Johnston struct device_driver driver;
2548d59ecb2SHans Petter Selasky const struct pci_error_handlers *err_handler;
2550b7bd01aSMark Johnston bool isdrm;
256b91dd79bSBjoern A. Zeeb int bsd_probe_return;
2572928e60eSKonstantin Belousov int (*bsd_iov_init)(device_t dev, uint16_t num_vfs,
2582928e60eSKonstantin Belousov const nvlist_t *pf_config);
2592928e60eSKonstantin Belousov void (*bsd_iov_uninit)(device_t dev);
2602928e60eSKonstantin Belousov int (*bsd_iov_add_vf)(device_t dev, uint16_t vfnum,
2612928e60eSKonstantin Belousov const nvlist_t *vf_config);
2620b7bd01aSMark Johnston };
2630b7bd01aSMark Johnston
2640b7bd01aSMark Johnston struct pci_bus {
2650b7bd01aSMark Johnston struct pci_dev *self;
266525dd4acSBjoern A. Zeeb /* struct pci_bus *parent */
267937a05baSJustin Hibbits int domain;
2680b7bd01aSMark Johnston int number;
2698d59ecb2SHans Petter Selasky };
2708d59ecb2SHans Petter Selasky
2718d59ecb2SHans Petter Selasky extern struct list_head pci_drivers;
2728d59ecb2SHans Petter Selasky extern struct list_head pci_devices;
2738d59ecb2SHans Petter Selasky extern spinlock_t pci_lock;
2748d59ecb2SHans Petter Selasky
2758d59ecb2SHans Petter Selasky #define __devexit_p(x) x
2768d59ecb2SHans Petter Selasky
277366d68f2SBjoern A. Zeeb #define module_pci_driver(_driver) \
278366d68f2SBjoern A. Zeeb \
279366d68f2SBjoern A. Zeeb static inline int \
280366d68f2SBjoern A. Zeeb _pci_init(void) \
281366d68f2SBjoern A. Zeeb { \
282366d68f2SBjoern A. Zeeb \
283366d68f2SBjoern A. Zeeb return (linux_pci_register_driver(&_driver)); \
284366d68f2SBjoern A. Zeeb } \
285366d68f2SBjoern A. Zeeb \
286366d68f2SBjoern A. Zeeb static inline void \
287366d68f2SBjoern A. Zeeb _pci_exit(void) \
288366d68f2SBjoern A. Zeeb { \
289366d68f2SBjoern A. Zeeb \
290366d68f2SBjoern A. Zeeb linux_pci_unregister_driver(&_driver); \
291366d68f2SBjoern A. Zeeb } \
292366d68f2SBjoern A. Zeeb \
293366d68f2SBjoern A. Zeeb module_init(_pci_init); \
294366d68f2SBjoern A. Zeeb module_exit(_pci_exit)
295366d68f2SBjoern A. Zeeb
2964b56afafSBjoern A. Zeeb struct msi_msg {
2974b56afafSBjoern A. Zeeb uint32_t data;
2984b56afafSBjoern A. Zeeb };
2994b56afafSBjoern A. Zeeb
30017bde9cbSBjoern A. Zeeb struct pci_msi_desc {
3014b56afafSBjoern A. Zeeb struct {
3024b56afafSBjoern A. Zeeb bool is_64;
3034b56afafSBjoern A. Zeeb } msi_attrib;
3044b56afafSBjoern A. Zeeb };
3054b56afafSBjoern A. Zeeb
30617bde9cbSBjoern A. Zeeb struct msi_desc {
30717bde9cbSBjoern A. Zeeb struct msi_msg msg;
30817bde9cbSBjoern A. Zeeb struct pci_msi_desc pci;
30917bde9cbSBjoern A. Zeeb };
31017bde9cbSBjoern A. Zeeb
31196ab16ebSVladimir Kondratyev struct msix_entry {
31296ab16ebSVladimir Kondratyev int entry;
31396ab16ebSVladimir Kondratyev int vector;
31496ab16ebSVladimir Kondratyev };
31596ab16ebSVladimir Kondratyev
316d4a4960cSBjoern A. Zeeb /*
317d4a4960cSBjoern A. Zeeb * If we find drivers accessing this from multiple KPIs we may have to
318d4a4960cSBjoern A. Zeeb * refcount objects of this structure.
319d4a4960cSBjoern A. Zeeb */
32096ab16ebSVladimir Kondratyev struct resource;
3214c274849SEmmanuel Vadot struct pci_mmio_region {
3224c274849SEmmanuel Vadot TAILQ_ENTRY(pci_mmio_region) next;
3234c274849SEmmanuel Vadot struct resource *res;
3244c274849SEmmanuel Vadot int rid;
3254c274849SEmmanuel Vadot int type;
3264c274849SEmmanuel Vadot };
3274c274849SEmmanuel Vadot
3288d59ecb2SHans Petter Selasky struct pci_dev {
3298d59ecb2SHans Petter Selasky struct device dev;
3308d59ecb2SHans Petter Selasky struct list_head links;
3318d59ecb2SHans Petter Selasky struct pci_driver *pdrv;
3320b7bd01aSMark Johnston struct pci_bus *bus;
3338e106c52SBjoern A. Zeeb struct pci_dev *root;
3344cb3cb2dSJake Freeland pci_power_t current_state;
3358d59ecb2SHans Petter Selasky uint16_t device;
3368d59ecb2SHans Petter Selasky uint16_t vendor;
337f2ec04a3SMark Johnston uint16_t subsystem_vendor;
338f2ec04a3SMark Johnston uint16_t subsystem_device;
3398d59ecb2SHans Petter Selasky unsigned int irq;
3408d59ecb2SHans Petter Selasky unsigned int devfn;
3416373e95eSMark Johnston uint32_t class;
3426373e95eSMark Johnston uint8_t revision;
3434b56afafSBjoern A. Zeeb uint8_t msi_cap;
3444152ce21SJean-Sébastien Pédron uint8_t msix_cap;
345d4a4960cSBjoern A. Zeeb bool managed; /* devres "pcim_*(). */
346d4a4960cSBjoern A. Zeeb bool want_iomap_res;
3474f109faaSHans Petter Selasky bool msi_enabled;
348d4a4960cSBjoern A. Zeeb bool msix_enabled;
349096104e7SNeel Chauhan phys_addr_t rom;
350096104e7SNeel Chauhan size_t romlen;
351b15491b4SBjoern A. Zeeb struct msi_desc **msi_desc;
352393b0ba2SVal Packett char *path_name;
353808ae4e2SVladimir Kondratyev spinlock_t pcie_cap_lock;
3544c274849SEmmanuel Vadot
3554c274849SEmmanuel Vadot TAILQ_HEAD(, pci_mmio_region) mmio;
3568d59ecb2SHans Petter Selasky };
3578d59ecb2SHans Petter Selasky
3581cdb2534SWarner Losh int pci_request_region(struct pci_dev *pdev, int bar, const char *res_name);
35936b5c440SWarner Losh int pci_alloc_irq_vectors(struct pci_dev *pdev, int minv, int maxv,
36036b5c440SWarner Losh unsigned int flags);
3610d0ca120SBjoern A. Zeeb bool pci_device_is_present(struct pci_dev *pdev);
3621cdb2534SWarner Losh
36396ab16ebSVladimir Kondratyev int linuxkpi_pcim_enable_device(struct pci_dev *pdev);
36496ab16ebSVladimir Kondratyev void __iomem **linuxkpi_pcim_iomap_table(struct pci_dev *pdev);
36596ab16ebSVladimir Kondratyev void *linuxkpi_pci_iomap(struct pci_dev *pdev, int mmio_bar, int mmio_size);
36696ab16ebSVladimir Kondratyev void linuxkpi_pci_iounmap(struct pci_dev *pdev, void *res);
36796ab16ebSVladimir Kondratyev int linuxkpi_pcim_iomap_regions(struct pci_dev *pdev, uint32_t mask,
36896ab16ebSVladimir Kondratyev const char *name);
36996ab16ebSVladimir Kondratyev int linuxkpi_pci_request_regions(struct pci_dev *pdev, const char *res_name);
37096ab16ebSVladimir Kondratyev void linuxkpi_pci_release_region(struct pci_dev *pdev, int bar);
37196ab16ebSVladimir Kondratyev void linuxkpi_pci_release_regions(struct pci_dev *pdev);
37296ab16ebSVladimir Kondratyev int linuxkpi_pci_enable_msix(struct pci_dev *pdev, struct msix_entry *entries,
37396ab16ebSVladimir Kondratyev int nreq);
37496ab16ebSVladimir Kondratyev
3758e106c52SBjoern A. Zeeb /* Internal helper function(s). */
3768e106c52SBjoern A. Zeeb struct pci_dev *lkpinew_pci_dev(device_t);
377d4a4960cSBjoern A. Zeeb void lkpi_pci_devres_release(struct device *, void *);
3788f61992dSBjoern A. Zeeb struct pci_dev *lkpi_pci_get_device(uint16_t, uint16_t, struct pci_dev *);
3794b56afafSBjoern A. Zeeb struct msi_desc *lkpi_pci_msi_desc_alloc(int);
38096ab16ebSVladimir Kondratyev struct device *lkpi_pci_find_irq_dev(unsigned int irq);
38196ab16ebSVladimir Kondratyev int _lkpi_pci_enable_msi_range(struct pci_dev *pdev, int minvec, int maxvec);
3828e106c52SBjoern A. Zeeb
383c41d8354SBjoern A. Zeeb static inline bool
dev_is_pci(struct device * dev)384c41d8354SBjoern A. Zeeb dev_is_pci(struct device *dev)
385c41d8354SBjoern A. Zeeb {
386c41d8354SBjoern A. Zeeb
387c41d8354SBjoern A. Zeeb return (device_get_devclass(dev->bsddev) == devclass_find("pci"));
388c41d8354SBjoern A. Zeeb }
389c41d8354SBjoern A. Zeeb
390f1206503SVladimir Kondratyev static inline uint16_t
pci_dev_id(struct pci_dev * pdev)391f1206503SVladimir Kondratyev pci_dev_id(struct pci_dev *pdev)
392f1206503SVladimir Kondratyev {
393f1206503SVladimir Kondratyev return (PCI_DEVID(pdev->bus->number, pdev->devfn));
394f1206503SVladimir Kondratyev }
395f1206503SVladimir Kondratyev
396d4a4960cSBjoern A. Zeeb static inline int
pci_resource_type(struct pci_dev * pdev,int bar)397d4a4960cSBjoern A. Zeeb pci_resource_type(struct pci_dev *pdev, int bar)
398d4a4960cSBjoern A. Zeeb {
399d4a4960cSBjoern A. Zeeb struct pci_map *pm;
400d4a4960cSBjoern A. Zeeb
401d4a4960cSBjoern A. Zeeb pm = pci_find_bar(pdev->dev.bsddev, PCIR_BAR(bar));
402d4a4960cSBjoern A. Zeeb if (!pm)
403d4a4960cSBjoern A. Zeeb return (-1);
404d4a4960cSBjoern A. Zeeb
405d4a4960cSBjoern A. Zeeb if (PCI_BAR_IO(pm->pm_value))
406d4a4960cSBjoern A. Zeeb return (SYS_RES_IOPORT);
407d4a4960cSBjoern A. Zeeb else
408d4a4960cSBjoern A. Zeeb return (SYS_RES_MEMORY);
409d4a4960cSBjoern A. Zeeb }
4108e106c52SBjoern A. Zeeb
4118d59ecb2SHans Petter Selasky /*
4128d59ecb2SHans Petter Selasky * All drivers just seem to want to inspect the type not flags.
4138d59ecb2SHans Petter Selasky */
4148d59ecb2SHans Petter Selasky static inline int
pci_resource_flags(struct pci_dev * pdev,int bar)4158d59ecb2SHans Petter Selasky pci_resource_flags(struct pci_dev *pdev, int bar)
4168d59ecb2SHans Petter Selasky {
417bdff61f8SHans Petter Selasky int type;
4188d59ecb2SHans Petter Selasky
419bdff61f8SHans Petter Selasky type = pci_resource_type(pdev, bar);
420bdff61f8SHans Petter Selasky if (type < 0)
4218d59ecb2SHans Petter Selasky return (0);
422bdff61f8SHans Petter Selasky return (1 << type);
4238d59ecb2SHans Petter Selasky }
4248d59ecb2SHans Petter Selasky
4258d59ecb2SHans Petter Selasky static inline const char *
pci_name(struct pci_dev * d)4268d59ecb2SHans Petter Selasky pci_name(struct pci_dev *d)
4278d59ecb2SHans Petter Selasky {
428393b0ba2SVal Packett return d->path_name;
4298d59ecb2SHans Petter Selasky }
4308d59ecb2SHans Petter Selasky
4318d59ecb2SHans Petter Selasky static inline void *
pci_get_drvdata(struct pci_dev * pdev)4328d59ecb2SHans Petter Selasky pci_get_drvdata(struct pci_dev *pdev)
4338d59ecb2SHans Petter Selasky {
4348d59ecb2SHans Petter Selasky
4358d59ecb2SHans Petter Selasky return dev_get_drvdata(&pdev->dev);
4368d59ecb2SHans Petter Selasky }
4378d59ecb2SHans Petter Selasky
4388d59ecb2SHans Petter Selasky static inline void
pci_set_drvdata(struct pci_dev * pdev,void * data)4398d59ecb2SHans Petter Selasky pci_set_drvdata(struct pci_dev *pdev, void *data)
4408d59ecb2SHans Petter Selasky {
4418d59ecb2SHans Petter Selasky
4428d59ecb2SHans Petter Selasky dev_set_drvdata(&pdev->dev, data);
4438d59ecb2SHans Petter Selasky }
4448d59ecb2SHans Petter Selasky
4458e106c52SBjoern A. Zeeb static inline struct pci_dev *
pci_dev_get(struct pci_dev * pdev)4468e106c52SBjoern A. Zeeb pci_dev_get(struct pci_dev *pdev)
4478e106c52SBjoern A. Zeeb {
4488e106c52SBjoern A. Zeeb
4498e106c52SBjoern A. Zeeb if (pdev != NULL)
4508e106c52SBjoern A. Zeeb get_device(&pdev->dev);
4518e106c52SBjoern A. Zeeb return (pdev);
4528e106c52SBjoern A. Zeeb }
4538e106c52SBjoern A. Zeeb
4541fac2cb4SBjoern A. Zeeb static __inline void
pci_dev_put(struct pci_dev * pdev)4551fac2cb4SBjoern A. Zeeb pci_dev_put(struct pci_dev *pdev)
4561fac2cb4SBjoern A. Zeeb {
4571fac2cb4SBjoern A. Zeeb
4581fac2cb4SBjoern A. Zeeb if (pdev != NULL)
4591fac2cb4SBjoern A. Zeeb put_device(&pdev->dev);
4601fac2cb4SBjoern A. Zeeb }
4611fac2cb4SBjoern A. Zeeb
4628d59ecb2SHans Petter Selasky static inline int
pci_enable_device(struct pci_dev * pdev)4638d59ecb2SHans Petter Selasky pci_enable_device(struct pci_dev *pdev)
4648d59ecb2SHans Petter Selasky {
4658d59ecb2SHans Petter Selasky
4668d59ecb2SHans Petter Selasky pci_enable_io(pdev->dev.bsddev, SYS_RES_IOPORT);
4678d59ecb2SHans Petter Selasky pci_enable_io(pdev->dev.bsddev, SYS_RES_MEMORY);
4688d59ecb2SHans Petter Selasky return (0);
4698d59ecb2SHans Petter Selasky }
4708d59ecb2SHans Petter Selasky
4718d59ecb2SHans Petter Selasky static inline void
pci_disable_device(struct pci_dev * pdev)4728d59ecb2SHans Petter Selasky pci_disable_device(struct pci_dev *pdev)
4738d59ecb2SHans Petter Selasky {
474f67b5de7SMark Johnston
475555deb3cSHans Petter Selasky pci_disable_busmaster(pdev->dev.bsddev);
4768d59ecb2SHans Petter Selasky }
4778d59ecb2SHans Petter Selasky
4788d59ecb2SHans Petter Selasky static inline int
pci_set_master(struct pci_dev * pdev)4798d59ecb2SHans Petter Selasky pci_set_master(struct pci_dev *pdev)
4808d59ecb2SHans Petter Selasky {
4818d59ecb2SHans Petter Selasky
4828d59ecb2SHans Petter Selasky pci_enable_busmaster(pdev->dev.bsddev);
4838d59ecb2SHans Petter Selasky return (0);
4848d59ecb2SHans Petter Selasky }
4858d59ecb2SHans Petter Selasky
4868d59ecb2SHans Petter Selasky static inline int
pci_set_power_state(struct pci_dev * pdev,int state)48712af734dSHans Petter Selasky pci_set_power_state(struct pci_dev *pdev, int state)
48812af734dSHans Petter Selasky {
48912af734dSHans Petter Selasky
49012af734dSHans Petter Selasky pci_set_powerstate(pdev->dev.bsddev, state);
49112af734dSHans Petter Selasky return (0);
49212af734dSHans Petter Selasky }
49312af734dSHans Petter Selasky
49412af734dSHans Petter Selasky static inline int
pci_clear_master(struct pci_dev * pdev)4958d59ecb2SHans Petter Selasky pci_clear_master(struct pci_dev *pdev)
4968d59ecb2SHans Petter Selasky {
4978d59ecb2SHans Petter Selasky
4988d59ecb2SHans Petter Selasky pci_disable_busmaster(pdev->dev.bsddev);
4998d59ecb2SHans Petter Selasky return (0);
5008d59ecb2SHans Petter Selasky }
5018d59ecb2SHans Petter Selasky
502b3b83625SBjoern A. Zeeb static inline bool
pci_is_root_bus(struct pci_bus * pbus)503b3b83625SBjoern A. Zeeb pci_is_root_bus(struct pci_bus *pbus)
504b3b83625SBjoern A. Zeeb {
505b3b83625SBjoern A. Zeeb
506b3b83625SBjoern A. Zeeb return (pbus->self == NULL);
507b3b83625SBjoern A. Zeeb }
508b3b83625SBjoern A. Zeeb
509b3b83625SBjoern A. Zeeb static inline struct pci_dev *
pci_upstream_bridge(struct pci_dev * pdev)510b3b83625SBjoern A. Zeeb pci_upstream_bridge(struct pci_dev *pdev)
511b3b83625SBjoern A. Zeeb {
512b3b83625SBjoern A. Zeeb
513b3b83625SBjoern A. Zeeb if (pci_is_root_bus(pdev->bus))
514b3b83625SBjoern A. Zeeb return (NULL);
515b3b83625SBjoern A. Zeeb
516b3b83625SBjoern A. Zeeb /*
517b3b83625SBjoern A. Zeeb * If we do not have a (proper) "upstream bridge" set, e.g., we point
518b3b83625SBjoern A. Zeeb * to ourselves, try to handle this case on the fly like we do
519b3b83625SBjoern A. Zeeb * for pcie_find_root_port().
520b3b83625SBjoern A. Zeeb */
521b3b83625SBjoern A. Zeeb if (pdev == pdev->bus->self) {
522b3b83625SBjoern A. Zeeb device_t bridge;
523b3b83625SBjoern A. Zeeb
524b3b83625SBjoern A. Zeeb bridge = device_get_parent(pdev->dev.bsddev);
525b3b83625SBjoern A. Zeeb if (bridge == NULL)
526b3b83625SBjoern A. Zeeb goto done;
527b3b83625SBjoern A. Zeeb bridge = device_get_parent(bridge);
528b3b83625SBjoern A. Zeeb if (bridge == NULL)
529b3b83625SBjoern A. Zeeb goto done;
530b3b83625SBjoern A. Zeeb if (device_get_devclass(device_get_parent(bridge)) !=
531b3b83625SBjoern A. Zeeb devclass_find("pci"))
532b3b83625SBjoern A. Zeeb goto done;
533b3b83625SBjoern A. Zeeb
534b3b83625SBjoern A. Zeeb /*
535b3b83625SBjoern A. Zeeb * "bridge" is a PCI-to-PCI bridge. Create a Linux pci_dev
536b3b83625SBjoern A. Zeeb * for it so it can be returned.
537b3b83625SBjoern A. Zeeb */
538b3b83625SBjoern A. Zeeb pdev->bus->self = lkpinew_pci_dev(bridge);
539b3b83625SBjoern A. Zeeb }
540b3b83625SBjoern A. Zeeb done:
541b3b83625SBjoern A. Zeeb return (pdev->bus->self);
542b3b83625SBjoern A. Zeeb }
543b3b83625SBjoern A. Zeeb
54496ab16ebSVladimir Kondratyev #define pci_release_region(pdev, bar) linuxkpi_pci_release_region(pdev, bar)
54596ab16ebSVladimir Kondratyev #define pci_release_regions(pdev) linuxkpi_pci_release_regions(pdev)
54696ab16ebSVladimir Kondratyev #define pci_request_regions(pdev, res_name) \
54796ab16ebSVladimir Kondratyev linuxkpi_pci_request_regions(pdev, res_name)
5488d59ecb2SHans Petter Selasky
5498d59ecb2SHans Petter Selasky static inline void
lkpi_pci_disable_msix(struct pci_dev * pdev)550d4a4960cSBjoern A. Zeeb lkpi_pci_disable_msix(struct pci_dev *pdev)
5518d59ecb2SHans Petter Selasky {
5528d59ecb2SHans Petter Selasky
5538d59ecb2SHans Petter Selasky pci_release_msi(pdev->dev.bsddev);
554e1992aa1SHans Petter Selasky
555e1992aa1SHans Petter Selasky /*
556e1992aa1SHans Petter Selasky * The MSIX IRQ numbers associated with this PCI device are no
557e1992aa1SHans Petter Selasky * longer valid and might be re-assigned. Make sure
55896ab16ebSVladimir Kondratyev * lkpi_pci_find_irq_dev() does no longer see them by
559e1992aa1SHans Petter Selasky * resetting their references to zero:
560e1992aa1SHans Petter Selasky */
5614f109faaSHans Petter Selasky pdev->dev.irq_start = 0;
5624f109faaSHans Petter Selasky pdev->dev.irq_end = 0;
563d4a4960cSBjoern A. Zeeb pdev->msix_enabled = false;
5644f109faaSHans Petter Selasky }
565d4a4960cSBjoern A. Zeeb /* Only for consistency. No conflict on that one. */
566d4a4960cSBjoern A. Zeeb #define pci_disable_msix(pdev) lkpi_pci_disable_msix(pdev)
5674f109faaSHans Petter Selasky
5684f109faaSHans Petter Selasky static inline void
lkpi_pci_disable_msi(struct pci_dev * pdev)569d4a4960cSBjoern A. Zeeb lkpi_pci_disable_msi(struct pci_dev *pdev)
5704f109faaSHans Petter Selasky {
5714f109faaSHans Petter Selasky
5724f109faaSHans Petter Selasky pci_release_msi(pdev->dev.bsddev);
5734f109faaSHans Petter Selasky
5744f109faaSHans Petter Selasky pdev->dev.irq_start = 0;
5754f109faaSHans Petter Selasky pdev->dev.irq_end = 0;
5764f109faaSHans Petter Selasky pdev->irq = pdev->dev.irq;
5774f109faaSHans Petter Selasky pdev->msi_enabled = false;
5788d59ecb2SHans Petter Selasky }
579d4a4960cSBjoern A. Zeeb #define pci_disable_msi(pdev) lkpi_pci_disable_msi(pdev)
580539228d3SBjoern A. Zeeb #define pci_free_irq_vectors(pdev) lkpi_pci_disable_msi(pdev)
581105a37caSEmmanuel Vadot
582937a05baSJustin Hibbits unsigned long pci_resource_start(struct pci_dev *pdev, int bar);
583937a05baSJustin Hibbits unsigned long pci_resource_len(struct pci_dev *pdev, int bar);
584937a05baSJustin Hibbits
58512af734dSHans Petter Selasky static inline bus_addr_t
pci_bus_address(struct pci_dev * pdev,int bar)58612af734dSHans Petter Selasky pci_bus_address(struct pci_dev *pdev, int bar)
58712af734dSHans Petter Selasky {
58812af734dSHans Petter Selasky
58912af734dSHans Petter Selasky return (pci_resource_start(pdev, bar));
59012af734dSHans Petter Selasky }
59112af734dSHans Petter Selasky
5928d59ecb2SHans Petter Selasky #define PCI_CAP_ID_EXP PCIY_EXPRESS
5938d59ecb2SHans Petter Selasky #define PCI_CAP_ID_PCIX PCIY_PCIX
59412af734dSHans Petter Selasky #define PCI_CAP_ID_AGP PCIY_AGP
59512af734dSHans Petter Selasky #define PCI_CAP_ID_PM PCIY_PMG
5968d59ecb2SHans Petter Selasky
59712af734dSHans Petter Selasky #define PCI_EXP_DEVCTL PCIER_DEVICE_CTL
59812af734dSHans Petter Selasky #define PCI_EXP_DEVCTL_PAYLOAD PCIEM_CTL_MAX_PAYLOAD
59912af734dSHans Petter Selasky #define PCI_EXP_DEVCTL_READRQ PCIEM_CTL_MAX_READ_REQUEST
60012af734dSHans Petter Selasky #define PCI_EXP_LNKCTL PCIER_LINK_CTL
60112af734dSHans Petter Selasky #define PCI_EXP_LNKSTA PCIER_LINK_STA
6028d59ecb2SHans Petter Selasky
6038d59ecb2SHans Petter Selasky static inline int
pci_find_capability(struct pci_dev * pdev,int capid)6048d59ecb2SHans Petter Selasky pci_find_capability(struct pci_dev *pdev, int capid)
6058d59ecb2SHans Petter Selasky {
6068d59ecb2SHans Petter Selasky int reg;
6078d59ecb2SHans Petter Selasky
6088d59ecb2SHans Petter Selasky if (pci_find_cap(pdev->dev.bsddev, capid, ®))
6098d59ecb2SHans Petter Selasky return (0);
6108d59ecb2SHans Petter Selasky return (reg);
6118d59ecb2SHans Petter Selasky }
6128d59ecb2SHans Petter Selasky
pci_pcie_cap(struct pci_dev * dev)6138d59ecb2SHans Petter Selasky static inline int pci_pcie_cap(struct pci_dev *dev)
6148d59ecb2SHans Petter Selasky {
6158d59ecb2SHans Petter Selasky return pci_find_capability(dev, PCI_CAP_ID_EXP);
6168d59ecb2SHans Petter Selasky }
6178d59ecb2SHans Petter Selasky
6188d59ecb2SHans Petter Selasky static inline int
pci_find_ext_capability(struct pci_dev * pdev,int capid)6198e106c52SBjoern A. Zeeb pci_find_ext_capability(struct pci_dev *pdev, int capid)
6208e106c52SBjoern A. Zeeb {
6218e106c52SBjoern A. Zeeb int reg;
6228e106c52SBjoern A. Zeeb
6238e106c52SBjoern A. Zeeb if (pci_find_extcap(pdev->dev.bsddev, capid, ®))
6248e106c52SBjoern A. Zeeb return (0);
6258e106c52SBjoern A. Zeeb return (reg);
6268e106c52SBjoern A. Zeeb }
6278e106c52SBjoern A. Zeeb
6288e106c52SBjoern A. Zeeb #define PCIM_PCAP_PME_SHIFT 11
6298e106c52SBjoern A. Zeeb static __inline bool
pci_pme_capable(struct pci_dev * pdev,uint32_t flag)6308e106c52SBjoern A. Zeeb pci_pme_capable(struct pci_dev *pdev, uint32_t flag)
6318e106c52SBjoern A. Zeeb {
6328e106c52SBjoern A. Zeeb struct pci_devinfo *dinfo;
6338e106c52SBjoern A. Zeeb pcicfgregs *cfg;
6348e106c52SBjoern A. Zeeb
6358e106c52SBjoern A. Zeeb if (flag > (PCIM_PCAP_D3PME_COLD >> PCIM_PCAP_PME_SHIFT))
6368e106c52SBjoern A. Zeeb return (false);
6378e106c52SBjoern A. Zeeb
6388e106c52SBjoern A. Zeeb dinfo = device_get_ivars(pdev->dev.bsddev);
6398e106c52SBjoern A. Zeeb cfg = &dinfo->cfg;
6408e106c52SBjoern A. Zeeb
6418e106c52SBjoern A. Zeeb if (cfg->pp.pp_cap == 0)
6428e106c52SBjoern A. Zeeb return (false);
6438e106c52SBjoern A. Zeeb
6448e106c52SBjoern A. Zeeb if ((cfg->pp.pp_cap & (1 << (PCIM_PCAP_PME_SHIFT + flag))) != 0)
6458e106c52SBjoern A. Zeeb return (true);
6468e106c52SBjoern A. Zeeb
6478e106c52SBjoern A. Zeeb return (false);
6488e106c52SBjoern A. Zeeb }
6498e106c52SBjoern A. Zeeb
6508e106c52SBjoern A. Zeeb static inline int
pci_disable_link_state(struct pci_dev * pdev,uint32_t flags)6518e106c52SBjoern A. Zeeb pci_disable_link_state(struct pci_dev *pdev, uint32_t flags)
6528e106c52SBjoern A. Zeeb {
6538e106c52SBjoern A. Zeeb
6548e106c52SBjoern A. Zeeb if (!pci_enable_aspm)
6558e106c52SBjoern A. Zeeb return (-EPERM);
6568e106c52SBjoern A. Zeeb
6578e106c52SBjoern A. Zeeb return (-ENXIO);
6588e106c52SBjoern A. Zeeb }
6598e106c52SBjoern A. Zeeb
6608e106c52SBjoern A. Zeeb static inline int
pci_read_config_byte(const struct pci_dev * pdev,int where,u8 * val)661ed5600f5SBjoern A. Zeeb pci_read_config_byte(const struct pci_dev *pdev, int where, u8 *val)
6628d59ecb2SHans Petter Selasky {
6638d59ecb2SHans Petter Selasky
6648d59ecb2SHans Petter Selasky *val = (u8)pci_read_config(pdev->dev.bsddev, where, 1);
6658d59ecb2SHans Petter Selasky return (0);
6668d59ecb2SHans Petter Selasky }
6678d59ecb2SHans Petter Selasky
6688d59ecb2SHans Petter Selasky static inline int
pci_read_config_word(const struct pci_dev * pdev,int where,u16 * val)669ed5600f5SBjoern A. Zeeb pci_read_config_word(const struct pci_dev *pdev, int where, u16 *val)
6708d59ecb2SHans Petter Selasky {
6718d59ecb2SHans Petter Selasky
6728d59ecb2SHans Petter Selasky *val = (u16)pci_read_config(pdev->dev.bsddev, where, 2);
6738d59ecb2SHans Petter Selasky return (0);
6748d59ecb2SHans Petter Selasky }
6758d59ecb2SHans Petter Selasky
6768d59ecb2SHans Petter Selasky static inline int
pci_read_config_dword(const struct pci_dev * pdev,int where,u32 * val)677ed5600f5SBjoern A. Zeeb pci_read_config_dword(const struct pci_dev *pdev, int where, u32 *val)
6788d59ecb2SHans Petter Selasky {
6798d59ecb2SHans Petter Selasky
6808d59ecb2SHans Petter Selasky *val = (u32)pci_read_config(pdev->dev.bsddev, where, 4);
6818d59ecb2SHans Petter Selasky return (0);
6828d59ecb2SHans Petter Selasky }
6838d59ecb2SHans Petter Selasky
6848d59ecb2SHans Petter Selasky static inline int
pci_write_config_byte(const struct pci_dev * pdev,int where,u8 val)685ed5600f5SBjoern A. Zeeb pci_write_config_byte(const struct pci_dev *pdev, int where, u8 val)
6868d59ecb2SHans Petter Selasky {
6878d59ecb2SHans Petter Selasky
6888d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 1);
6898d59ecb2SHans Petter Selasky return (0);
6908d59ecb2SHans Petter Selasky }
6918d59ecb2SHans Petter Selasky
6928d59ecb2SHans Petter Selasky static inline int
pci_write_config_word(const struct pci_dev * pdev,int where,u16 val)693ed5600f5SBjoern A. Zeeb pci_write_config_word(const struct pci_dev *pdev, int where, u16 val)
6948d59ecb2SHans Petter Selasky {
6958d59ecb2SHans Petter Selasky
6968d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 2);
6978d59ecb2SHans Petter Selasky return (0);
6988d59ecb2SHans Petter Selasky }
6998d59ecb2SHans Petter Selasky
7008d59ecb2SHans Petter Selasky static inline int
pci_write_config_dword(const struct pci_dev * pdev,int where,u32 val)701ed5600f5SBjoern A. Zeeb pci_write_config_dword(const struct pci_dev *pdev, int where, u32 val)
7028d59ecb2SHans Petter Selasky {
7038d59ecb2SHans Petter Selasky
7048d59ecb2SHans Petter Selasky pci_write_config(pdev->dev.bsddev, where, val, 4);
7058d59ecb2SHans Petter Selasky return (0);
7068d59ecb2SHans Petter Selasky }
7078d59ecb2SHans Petter Selasky
7080b7bd01aSMark Johnston int linux_pci_register_driver(struct pci_driver *pdrv);
7090b7bd01aSMark Johnston int linux_pci_register_drm_driver(struct pci_driver *pdrv);
7100b7bd01aSMark Johnston void linux_pci_unregister_driver(struct pci_driver *pdrv);
7115098ed5fSJohannes Lundberg void linux_pci_unregister_drm_driver(struct pci_driver *pdrv);
7120b7bd01aSMark Johnston
7130b7bd01aSMark Johnston #define pci_register_driver(pdrv) linux_pci_register_driver(pdrv)
7140b7bd01aSMark Johnston #define pci_unregister_driver(pdrv) linux_pci_unregister_driver(pdrv)
7158d59ecb2SHans Petter Selasky
7168d59ecb2SHans Petter Selasky /*
7178d59ecb2SHans Petter Selasky * Enable msix, positive errors indicate actual number of available
7188d59ecb2SHans Petter Selasky * vectors. Negative errors are failures.
7198d59ecb2SHans Petter Selasky *
7208d59ecb2SHans Petter Selasky * NB: define added to prevent this definition of pci_enable_msix from
7218d59ecb2SHans Petter Selasky * clashing with the native FreeBSD version.
7228d59ecb2SHans Petter Selasky */
72396ab16ebSVladimir Kondratyev #define pci_enable_msix(...) linuxkpi_pci_enable_msix(__VA_ARGS__)
7248d59ecb2SHans Petter Selasky
725fa0d4f31SHans Petter Selasky #define pci_enable_msix_range(...) \
726fa0d4f31SHans Petter Selasky linux_pci_enable_msix_range(__VA_ARGS__)
727fa0d4f31SHans Petter Selasky
7288d59ecb2SHans Petter Selasky static inline int
pci_enable_msix_range(struct pci_dev * dev,struct msix_entry * entries,int minvec,int maxvec)7298d59ecb2SHans Petter Selasky pci_enable_msix_range(struct pci_dev *dev, struct msix_entry *entries,
7308d59ecb2SHans Petter Selasky int minvec, int maxvec)
7318d59ecb2SHans Petter Selasky {
7328d59ecb2SHans Petter Selasky int nvec = maxvec;
7338d59ecb2SHans Petter Selasky int rc;
7348d59ecb2SHans Petter Selasky
7358d59ecb2SHans Petter Selasky if (maxvec < minvec)
7368d59ecb2SHans Petter Selasky return (-ERANGE);
7378d59ecb2SHans Petter Selasky
7388d59ecb2SHans Petter Selasky do {
7398d59ecb2SHans Petter Selasky rc = pci_enable_msix(dev, entries, nvec);
7408d59ecb2SHans Petter Selasky if (rc < 0) {
7418d59ecb2SHans Petter Selasky return (rc);
7428d59ecb2SHans Petter Selasky } else if (rc > 0) {
7438d59ecb2SHans Petter Selasky if (rc < minvec)
7448d59ecb2SHans Petter Selasky return (-ENOSPC);
7458d59ecb2SHans Petter Selasky nvec = rc;
7468d59ecb2SHans Petter Selasky }
7478d59ecb2SHans Petter Selasky } while (rc);
7488d59ecb2SHans Petter Selasky return (nvec);
7498d59ecb2SHans Petter Selasky }
7508d59ecb2SHans Petter Selasky
7514f109faaSHans Petter Selasky #define pci_enable_msi(pdev) \
7524f109faaSHans Petter Selasky linux_pci_enable_msi(pdev)
7534f109faaSHans Petter Selasky
7544f109faaSHans Petter Selasky static inline int
pci_enable_msi(struct pci_dev * pdev)755b15491b4SBjoern A. Zeeb pci_enable_msi(struct pci_dev *pdev)
756b15491b4SBjoern A. Zeeb {
757b15491b4SBjoern A. Zeeb
758b15491b4SBjoern A. Zeeb return (_lkpi_pci_enable_msi_range(pdev, 1, 1));
759b15491b4SBjoern A. Zeeb }
760b15491b4SBjoern A. Zeeb
761b15491b4SBjoern A. Zeeb static inline int
pci_channel_offline(struct pci_dev * pdev)762452d59e1SSlava Shwartsman pci_channel_offline(struct pci_dev *pdev)
7638d59ecb2SHans Petter Selasky {
764452d59e1SSlava Shwartsman
765c5161386SHans Petter Selasky return (pci_read_config(pdev->dev.bsddev, PCIR_VENDOR, 2) == PCIV_INVALID);
7668d59ecb2SHans Petter Selasky }
7678d59ecb2SHans Petter Selasky
pci_enable_sriov(struct pci_dev * dev,int nr_virtfn)7688d59ecb2SHans Petter Selasky static inline int pci_enable_sriov(struct pci_dev *dev, int nr_virtfn)
7698d59ecb2SHans Petter Selasky {
7708d59ecb2SHans Petter Selasky return -ENODEV;
7718d59ecb2SHans Petter Selasky }
7721cdb2534SWarner Losh
pci_disable_sriov(struct pci_dev * dev)7738d59ecb2SHans Petter Selasky static inline void pci_disable_sriov(struct pci_dev *dev)
7748d59ecb2SHans Petter Selasky {
7758d59ecb2SHans Petter Selasky }
7768d59ecb2SHans Petter Selasky
77796ab16ebSVladimir Kondratyev #define pci_iomap(pdev, mmio_bar, mmio_size) \
77896ab16ebSVladimir Kondratyev linuxkpi_pci_iomap(pdev, mmio_bar, mmio_size)
77996ab16ebSVladimir Kondratyev #define pci_iounmap(pdev, res) linuxkpi_pci_iounmap(pdev, res)
7804c274849SEmmanuel Vadot
781105a37caSEmmanuel Vadot static inline void
lkpi_pci_save_state(struct pci_dev * pdev)782105a37caSEmmanuel Vadot lkpi_pci_save_state(struct pci_dev *pdev)
783105a37caSEmmanuel Vadot {
784105a37caSEmmanuel Vadot
785105a37caSEmmanuel Vadot pci_save_state(pdev->dev.bsddev);
786105a37caSEmmanuel Vadot }
787105a37caSEmmanuel Vadot
788105a37caSEmmanuel Vadot static inline void
lkpi_pci_restore_state(struct pci_dev * pdev)789105a37caSEmmanuel Vadot lkpi_pci_restore_state(struct pci_dev *pdev)
790105a37caSEmmanuel Vadot {
791105a37caSEmmanuel Vadot
792105a37caSEmmanuel Vadot pci_restore_state(pdev->dev.bsddev);
793105a37caSEmmanuel Vadot }
794105a37caSEmmanuel Vadot
795105a37caSEmmanuel Vadot #define pci_save_state(dev) lkpi_pci_save_state(dev)
796105a37caSEmmanuel Vadot #define pci_restore_state(dev) lkpi_pci_restore_state(dev)
797105a37caSEmmanuel Vadot
79886a1c5d1SJean-Sébastien Pédron static inline int
pci_reset_function(struct pci_dev * pdev)79986a1c5d1SJean-Sébastien Pédron pci_reset_function(struct pci_dev *pdev)
80086a1c5d1SJean-Sébastien Pédron {
80186a1c5d1SJean-Sébastien Pédron
80286a1c5d1SJean-Sébastien Pédron return (-ENOSYS);
80386a1c5d1SJean-Sébastien Pédron }
80486a1c5d1SJean-Sébastien Pédron
8058d59ecb2SHans Petter Selasky #define DEFINE_PCI_DEVICE_TABLE(_table) \
8068d59ecb2SHans Petter Selasky const struct pci_device_id _table[] __devinitdata
8078d59ecb2SHans Petter Selasky
8088d59ecb2SHans Petter Selasky /* XXX This should not be necessary. */
8098d59ecb2SHans Petter Selasky #define pcix_set_mmrbc(d, v) 0
8108d59ecb2SHans Petter Selasky #define pcix_get_max_mmrbc(d) 0
8113f322b22SMark Johnston #define pcie_set_readrq(d, v) pci_set_max_read_req((d)->dev.bsddev, (v))
8128d59ecb2SHans Petter Selasky
8138d59ecb2SHans Petter Selasky #define PCI_DMA_BIDIRECTIONAL 0
8148d59ecb2SHans Petter Selasky #define PCI_DMA_TODEVICE 1
8158d59ecb2SHans Petter Selasky #define PCI_DMA_FROMDEVICE 2
8168d59ecb2SHans Petter Selasky #define PCI_DMA_NONE 3
8178d59ecb2SHans Petter Selasky
8188d59ecb2SHans Petter Selasky #define pci_pool dma_pool
8191724ded4SHans Petter Selasky #define pci_pool_destroy(...) dma_pool_destroy(__VA_ARGS__)
8201724ded4SHans Petter Selasky #define pci_pool_alloc(...) dma_pool_alloc(__VA_ARGS__)
8211724ded4SHans Petter Selasky #define pci_pool_free(...) dma_pool_free(__VA_ARGS__)
8228d59ecb2SHans Petter Selasky #define pci_pool_create(_name, _pdev, _size, _align, _alloc) \
8238d59ecb2SHans Petter Selasky dma_pool_create(_name, &(_pdev)->dev, _size, _align, _alloc)
8248d59ecb2SHans Petter Selasky #define pci_free_consistent(_hwdev, _size, _vaddr, _dma_handle) \
8258d59ecb2SHans Petter Selasky dma_free_coherent((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \
8268d59ecb2SHans Petter Selasky _size, _vaddr, _dma_handle)
8278d59ecb2SHans Petter Selasky #define pci_map_sg(_hwdev, _sg, _nents, _dir) \
8288d59ecb2SHans Petter Selasky dma_map_sg((_hwdev) == NULL ? NULL : &(_hwdev->dev), \
8298d59ecb2SHans Petter Selasky _sg, _nents, (enum dma_data_direction)_dir)
8308d59ecb2SHans Petter Selasky #define pci_map_single(_hwdev, _ptr, _size, _dir) \
8318d59ecb2SHans Petter Selasky dma_map_single((_hwdev) == NULL ? NULL : &(_hwdev->dev), \
8328d59ecb2SHans Petter Selasky (_ptr), (_size), (enum dma_data_direction)_dir)
8338d59ecb2SHans Petter Selasky #define pci_unmap_single(_hwdev, _addr, _size, _dir) \
8348d59ecb2SHans Petter Selasky dma_unmap_single((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \
8358d59ecb2SHans Petter Selasky _addr, _size, (enum dma_data_direction)_dir)
8368d59ecb2SHans Petter Selasky #define pci_unmap_sg(_hwdev, _sg, _nents, _dir) \
8378d59ecb2SHans Petter Selasky dma_unmap_sg((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \
8388d59ecb2SHans Petter Selasky _sg, _nents, (enum dma_data_direction)_dir)
8398d59ecb2SHans Petter Selasky #define pci_map_page(_hwdev, _page, _offset, _size, _dir) \
8408d59ecb2SHans Petter Selasky dma_map_page((_hwdev) == NULL ? NULL : &(_hwdev)->dev, _page,\
8418d59ecb2SHans Petter Selasky _offset, _size, (enum dma_data_direction)_dir)
8428d59ecb2SHans Petter Selasky #define pci_unmap_page(_hwdev, _dma_address, _size, _dir) \
8438d59ecb2SHans Petter Selasky dma_unmap_page((_hwdev) == NULL ? NULL : &(_hwdev)->dev, \
8448d59ecb2SHans Petter Selasky _dma_address, _size, (enum dma_data_direction)_dir)
8458d59ecb2SHans Petter Selasky #define pci_set_dma_mask(_pdev, mask) dma_set_mask(&(_pdev)->dev, (mask))
8468d59ecb2SHans Petter Selasky #define pci_dma_mapping_error(_pdev, _dma_addr) \
8478d59ecb2SHans Petter Selasky dma_mapping_error(&(_pdev)->dev, _dma_addr)
8488d59ecb2SHans Petter Selasky #define pci_set_consistent_dma_mask(_pdev, _mask) \
8498d59ecb2SHans Petter Selasky dma_set_coherent_mask(&(_pdev)->dev, (_mask))
8508d59ecb2SHans Petter Selasky #define DECLARE_PCI_UNMAP_ADDR(x) DEFINE_DMA_UNMAP_ADDR(x);
8518d59ecb2SHans Petter Selasky #define DECLARE_PCI_UNMAP_LEN(x) DEFINE_DMA_UNMAP_LEN(x);
8528d59ecb2SHans Petter Selasky #define pci_unmap_addr dma_unmap_addr
8538d59ecb2SHans Petter Selasky #define pci_unmap_addr_set dma_unmap_addr_set
8548d59ecb2SHans Petter Selasky #define pci_unmap_len dma_unmap_len
8558d59ecb2SHans Petter Selasky #define pci_unmap_len_set dma_unmap_len_set
8568d59ecb2SHans Petter Selasky
8578d59ecb2SHans Petter Selasky typedef unsigned int __bitwise pci_channel_state_t;
8588d59ecb2SHans Petter Selasky typedef unsigned int __bitwise pci_ers_result_t;
8598d59ecb2SHans Petter Selasky
8608d59ecb2SHans Petter Selasky enum pci_channel_state {
861a65ef215SHans Petter Selasky pci_channel_io_normal = 1,
862a65ef215SHans Petter Selasky pci_channel_io_frozen = 2,
863a65ef215SHans Petter Selasky pci_channel_io_perm_failure = 3,
8648d59ecb2SHans Petter Selasky };
8658d59ecb2SHans Petter Selasky
8668d59ecb2SHans Petter Selasky enum pci_ers_result {
867a65ef215SHans Petter Selasky PCI_ERS_RESULT_NONE = 1,
868a65ef215SHans Petter Selasky PCI_ERS_RESULT_CAN_RECOVER = 2,
869a65ef215SHans Petter Selasky PCI_ERS_RESULT_NEED_RESET = 3,
870a65ef215SHans Petter Selasky PCI_ERS_RESULT_DISCONNECT = 4,
871a65ef215SHans Petter Selasky PCI_ERS_RESULT_RECOVERED = 5,
8728d59ecb2SHans Petter Selasky };
8738d59ecb2SHans Petter Selasky
8748d59ecb2SHans Petter Selasky /* PCI bus error event callbacks */
8758d59ecb2SHans Petter Selasky struct pci_error_handlers {
8768d59ecb2SHans Petter Selasky pci_ers_result_t (*error_detected)(struct pci_dev *dev,
8778d59ecb2SHans Petter Selasky enum pci_channel_state error);
8788d59ecb2SHans Petter Selasky pci_ers_result_t (*mmio_enabled)(struct pci_dev *dev);
8798d59ecb2SHans Petter Selasky pci_ers_result_t (*link_reset)(struct pci_dev *dev);
8808d59ecb2SHans Petter Selasky pci_ers_result_t (*slot_reset)(struct pci_dev *dev);
8818d59ecb2SHans Petter Selasky void (*resume)(struct pci_dev *dev);
8828d59ecb2SHans Petter Selasky };
8838d59ecb2SHans Petter Selasky
884a65ef215SHans Petter Selasky /* FreeBSD does not support SRIOV - yet */
pci_physfn(struct pci_dev * dev)8858d59ecb2SHans Petter Selasky static inline struct pci_dev *pci_physfn(struct pci_dev *dev)
8868d59ecb2SHans Petter Selasky {
8878d59ecb2SHans Petter Selasky return dev;
8888d59ecb2SHans Petter Selasky }
8898d59ecb2SHans Petter Selasky
pci_is_pcie(struct pci_dev * dev)8908d59ecb2SHans Petter Selasky static inline bool pci_is_pcie(struct pci_dev *dev)
8918d59ecb2SHans Petter Selasky {
8928d59ecb2SHans Petter Selasky return !!pci_pcie_cap(dev);
8938d59ecb2SHans Petter Selasky }
8948d59ecb2SHans Petter Selasky
pcie_flags_reg(struct pci_dev * dev)8958d59ecb2SHans Petter Selasky static inline u16 pcie_flags_reg(struct pci_dev *dev)
8968d59ecb2SHans Petter Selasky {
8978d59ecb2SHans Petter Selasky int pos;
8988d59ecb2SHans Petter Selasky u16 reg16;
8998d59ecb2SHans Petter Selasky
9008d59ecb2SHans Petter Selasky pos = pci_find_capability(dev, PCI_CAP_ID_EXP);
9018d59ecb2SHans Petter Selasky if (!pos)
9028d59ecb2SHans Petter Selasky return 0;
9038d59ecb2SHans Petter Selasky
9048d59ecb2SHans Petter Selasky pci_read_config_word(dev, pos + PCI_EXP_FLAGS, ®16);
9058d59ecb2SHans Petter Selasky
9068d59ecb2SHans Petter Selasky return reg16;
9078d59ecb2SHans Petter Selasky }
9088d59ecb2SHans Petter Selasky
pci_pcie_type(struct pci_dev * dev)9098d59ecb2SHans Petter Selasky static inline int pci_pcie_type(struct pci_dev *dev)
9108d59ecb2SHans Petter Selasky {
9118d59ecb2SHans Petter Selasky return (pcie_flags_reg(dev) & PCI_EXP_FLAGS_TYPE) >> 4;
9128d59ecb2SHans Petter Selasky }
9138d59ecb2SHans Petter Selasky
pcie_cap_version(struct pci_dev * dev)9148d59ecb2SHans Petter Selasky static inline int pcie_cap_version(struct pci_dev *dev)
9158d59ecb2SHans Petter Selasky {
9168d59ecb2SHans Petter Selasky return pcie_flags_reg(dev) & PCI_EXP_FLAGS_VERS;
9178d59ecb2SHans Petter Selasky }
9188d59ecb2SHans Petter Selasky
pcie_cap_has_lnkctl(struct pci_dev * dev)9198d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_lnkctl(struct pci_dev *dev)
9208d59ecb2SHans Petter Selasky {
9218d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev);
9228d59ecb2SHans Petter Selasky
9238d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1 ||
9248d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ROOT_PORT ||
9258d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_ENDPOINT ||
9268d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_LEG_END;
9278d59ecb2SHans Petter Selasky }
9288d59ecb2SHans Petter Selasky
pcie_cap_has_devctl(const struct pci_dev * dev)9298d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_devctl(const struct pci_dev *dev)
9308d59ecb2SHans Petter Selasky {
9318d59ecb2SHans Petter Selasky return true;
9328d59ecb2SHans Petter Selasky }
9338d59ecb2SHans Petter Selasky
pcie_cap_has_sltctl(struct pci_dev * dev)9348d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_sltctl(struct pci_dev *dev)
9358d59ecb2SHans Petter Selasky {
9368d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev);
9378d59ecb2SHans Petter Selasky
93883630517SEd Maste return pcie_cap_version(dev) > 1 || type == PCI_EXP_TYPE_ROOT_PORT ||
9398d59ecb2SHans Petter Selasky (type == PCI_EXP_TYPE_DOWNSTREAM &&
9408d59ecb2SHans Petter Selasky pcie_flags_reg(dev) & PCI_EXP_FLAGS_SLOT);
9418d59ecb2SHans Petter Selasky }
9428d59ecb2SHans Petter Selasky
pcie_cap_has_rtctl(struct pci_dev * dev)9438d59ecb2SHans Petter Selasky static inline bool pcie_cap_has_rtctl(struct pci_dev *dev)
9448d59ecb2SHans Petter Selasky {
9458d59ecb2SHans Petter Selasky int type = pci_pcie_type(dev);
9468d59ecb2SHans Petter Selasky
94783630517SEd Maste return pcie_cap_version(dev) > 1 || type == PCI_EXP_TYPE_ROOT_PORT ||
9488d59ecb2SHans Petter Selasky type == PCI_EXP_TYPE_RC_EC;
9498d59ecb2SHans Petter Selasky }
9508d59ecb2SHans Petter Selasky
pcie_capability_reg_implemented(struct pci_dev * dev,int pos)9518d59ecb2SHans Petter Selasky static bool pcie_capability_reg_implemented(struct pci_dev *dev, int pos)
9528d59ecb2SHans Petter Selasky {
9538d59ecb2SHans Petter Selasky if (!pci_is_pcie(dev))
9548d59ecb2SHans Petter Selasky return false;
9558d59ecb2SHans Petter Selasky
9568d59ecb2SHans Petter Selasky switch (pos) {
9578d59ecb2SHans Petter Selasky case PCI_EXP_FLAGS_TYPE:
9588d59ecb2SHans Petter Selasky return true;
9598d59ecb2SHans Petter Selasky case PCI_EXP_DEVCAP:
9608d59ecb2SHans Petter Selasky case PCI_EXP_DEVCTL:
9618d59ecb2SHans Petter Selasky case PCI_EXP_DEVSTA:
9628d59ecb2SHans Petter Selasky return pcie_cap_has_devctl(dev);
9638d59ecb2SHans Petter Selasky case PCI_EXP_LNKCAP:
9648d59ecb2SHans Petter Selasky case PCI_EXP_LNKCTL:
9658d59ecb2SHans Petter Selasky case PCI_EXP_LNKSTA:
9668d59ecb2SHans Petter Selasky return pcie_cap_has_lnkctl(dev);
9678d59ecb2SHans Petter Selasky case PCI_EXP_SLTCAP:
9688d59ecb2SHans Petter Selasky case PCI_EXP_SLTCTL:
9698d59ecb2SHans Petter Selasky case PCI_EXP_SLTSTA:
9708d59ecb2SHans Petter Selasky return pcie_cap_has_sltctl(dev);
9718d59ecb2SHans Petter Selasky case PCI_EXP_RTCTL:
9728d59ecb2SHans Petter Selasky case PCI_EXP_RTCAP:
9738d59ecb2SHans Petter Selasky case PCI_EXP_RTSTA:
9748d59ecb2SHans Petter Selasky return pcie_cap_has_rtctl(dev);
9758d59ecb2SHans Petter Selasky case PCI_EXP_DEVCAP2:
9768d59ecb2SHans Petter Selasky case PCI_EXP_DEVCTL2:
9778d59ecb2SHans Petter Selasky case PCI_EXP_LNKCAP2:
9788d59ecb2SHans Petter Selasky case PCI_EXP_LNKCTL2:
9798d59ecb2SHans Petter Selasky case PCI_EXP_LNKSTA2:
9808d59ecb2SHans Petter Selasky return pcie_cap_version(dev) > 1;
9818d59ecb2SHans Petter Selasky default:
9828d59ecb2SHans Petter Selasky return false;
9838d59ecb2SHans Petter Selasky }
9848d59ecb2SHans Petter Selasky }
9858d59ecb2SHans Petter Selasky
98612af734dSHans Petter Selasky static inline int
pcie_capability_read_dword(struct pci_dev * dev,int pos,u32 * dst)98712af734dSHans Petter Selasky pcie_capability_read_dword(struct pci_dev *dev, int pos, u32 *dst)
988a65ef215SHans Petter Selasky {
9890e8953b9SBjoern A. Zeeb *dst = 0;
990a65ef215SHans Petter Selasky if (pos & 3)
991a65ef215SHans Petter Selasky return -EINVAL;
992a65ef215SHans Petter Selasky
993a65ef215SHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos))
994a65ef215SHans Petter Selasky return -EINVAL;
995a65ef215SHans Petter Selasky
996a65ef215SHans Petter Selasky return pci_read_config_dword(dev, pci_pcie_cap(dev) + pos, dst);
997a65ef215SHans Petter Selasky }
9988d59ecb2SHans Petter Selasky
99912af734dSHans Petter Selasky static inline int
pcie_capability_read_word(struct pci_dev * dev,int pos,u16 * dst)100012af734dSHans Petter Selasky pcie_capability_read_word(struct pci_dev *dev, int pos, u16 *dst)
100112af734dSHans Petter Selasky {
10020e8953b9SBjoern A. Zeeb *dst = 0;
100312af734dSHans Petter Selasky if (pos & 3)
100412af734dSHans Petter Selasky return -EINVAL;
100512af734dSHans Petter Selasky
100612af734dSHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos))
100712af734dSHans Petter Selasky return -EINVAL;
100812af734dSHans Petter Selasky
100912af734dSHans Petter Selasky return pci_read_config_word(dev, pci_pcie_cap(dev) + pos, dst);
101012af734dSHans Petter Selasky }
101112af734dSHans Petter Selasky
101212af734dSHans Petter Selasky static inline int
pcie_capability_write_word(struct pci_dev * dev,int pos,u16 val)101312af734dSHans Petter Selasky pcie_capability_write_word(struct pci_dev *dev, int pos, u16 val)
10148d59ecb2SHans Petter Selasky {
10158d59ecb2SHans Petter Selasky if (pos & 1)
10168d59ecb2SHans Petter Selasky return -EINVAL;
10178d59ecb2SHans Petter Selasky
10188d59ecb2SHans Petter Selasky if (!pcie_capability_reg_implemented(dev, pos))
10198d59ecb2SHans Petter Selasky return 0;
10208d59ecb2SHans Petter Selasky
10218d59ecb2SHans Petter Selasky return pci_write_config_word(dev, pci_pcie_cap(dev) + pos, val);
10228d59ecb2SHans Petter Selasky }
10238d59ecb2SHans Petter Selasky
102485eb99f9SBjoern A. Zeeb static inline int
pcie_capability_clear_and_set_word(struct pci_dev * dev,int pos,uint16_t clear,uint16_t set)1025808ae4e2SVladimir Kondratyev pcie_capability_clear_and_set_word(struct pci_dev *dev, int pos,
1026808ae4e2SVladimir Kondratyev uint16_t clear, uint16_t set)
102785eb99f9SBjoern A. Zeeb {
102885eb99f9SBjoern A. Zeeb int error;
102985eb99f9SBjoern A. Zeeb uint16_t v;
103085eb99f9SBjoern A. Zeeb
1031808ae4e2SVladimir Kondratyev if (pos == PCI_EXP_LNKCTL || pos == PCI_EXP_RTCTL)
1032808ae4e2SVladimir Kondratyev spin_lock(&dev->pcie_cap_lock);
1033808ae4e2SVladimir Kondratyev
103485eb99f9SBjoern A. Zeeb error = pcie_capability_read_word(dev, pos, &v);
1035808ae4e2SVladimir Kondratyev if (error == 0) {
1036808ae4e2SVladimir Kondratyev v &= ~clear;
1037808ae4e2SVladimir Kondratyev v |= set;
103885eb99f9SBjoern A. Zeeb error = pcie_capability_write_word(dev, pos, v);
1039808ae4e2SVladimir Kondratyev }
1040808ae4e2SVladimir Kondratyev
1041808ae4e2SVladimir Kondratyev if (pos == PCI_EXP_LNKCTL || pos == PCI_EXP_RTCTL)
1042808ae4e2SVladimir Kondratyev spin_unlock(&dev->pcie_cap_lock);
1043808ae4e2SVladimir Kondratyev
104485eb99f9SBjoern A. Zeeb return (error);
104585eb99f9SBjoern A. Zeeb }
104685eb99f9SBjoern A. Zeeb
1047c41d8354SBjoern A. Zeeb static inline int
pcie_capability_set_word(struct pci_dev * dev,int pos,uint16_t val)1048808ae4e2SVladimir Kondratyev pcie_capability_set_word(struct pci_dev *dev, int pos, uint16_t val)
1049808ae4e2SVladimir Kondratyev {
1050808ae4e2SVladimir Kondratyev return (pcie_capability_clear_and_set_word(dev, pos, 0, val));
1051808ae4e2SVladimir Kondratyev }
1052808ae4e2SVladimir Kondratyev
1053808ae4e2SVladimir Kondratyev static inline int
pcie_capability_clear_word(struct pci_dev * dev,int pos,uint16_t val)1054c41d8354SBjoern A. Zeeb pcie_capability_clear_word(struct pci_dev *dev, int pos, uint16_t val)
1055c41d8354SBjoern A. Zeeb {
1056808ae4e2SVladimir Kondratyev return (pcie_capability_clear_and_set_word(dev, pos, val, 0));
1057c41d8354SBjoern A. Zeeb }
1058c41d8354SBjoern A. Zeeb
pcie_get_minimum_link(struct pci_dev * dev,enum pci_bus_speed * speed,enum pcie_link_width * width)1059a65ef215SHans Petter Selasky static inline int pcie_get_minimum_link(struct pci_dev *dev,
1060a65ef215SHans Petter Selasky enum pci_bus_speed *speed, enum pcie_link_width *width)
1061a65ef215SHans Petter Selasky {
1062a65ef215SHans Petter Selasky *speed = PCI_SPEED_UNKNOWN;
1063a65ef215SHans Petter Selasky *width = PCIE_LNK_WIDTH_UNKNOWN;
1064a65ef215SHans Petter Selasky return (0);
1065a65ef215SHans Petter Selasky }
1066a65ef215SHans Petter Selasky
1067a65ef215SHans Petter Selasky static inline int
pci_num_vf(struct pci_dev * dev)1068a65ef215SHans Petter Selasky pci_num_vf(struct pci_dev *dev)
1069a65ef215SHans Petter Selasky {
1070a65ef215SHans Petter Selasky return (0);
1071a65ef215SHans Petter Selasky }
1072a65ef215SHans Petter Selasky
1073ab62989aSHans Petter Selasky static inline enum pci_bus_speed
pcie_get_speed_cap(struct pci_dev * dev)1074ab62989aSHans Petter Selasky pcie_get_speed_cap(struct pci_dev *dev)
1075ab62989aSHans Petter Selasky {
1076ab62989aSHans Petter Selasky device_t root;
1077ab62989aSHans Petter Selasky uint32_t lnkcap, lnkcap2;
1078ab62989aSHans Petter Selasky int error, pos;
1079ab62989aSHans Petter Selasky
1080ab62989aSHans Petter Selasky root = device_get_parent(dev->dev.bsddev);
1081ab62989aSHans Petter Selasky if (root == NULL)
1082ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN);
1083ab62989aSHans Petter Selasky root = device_get_parent(root);
1084ab62989aSHans Petter Selasky if (root == NULL)
1085ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN);
1086ab62989aSHans Petter Selasky root = device_get_parent(root);
1087ab62989aSHans Petter Selasky if (root == NULL)
1088ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN);
1089ab62989aSHans Petter Selasky
1090ab62989aSHans Petter Selasky if (pci_get_vendor(root) == PCI_VENDOR_ID_VIA ||
1091ab62989aSHans Petter Selasky pci_get_vendor(root) == PCI_VENDOR_ID_SERVERWORKS)
1092ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN);
1093ab62989aSHans Petter Selasky
1094ab62989aSHans Petter Selasky if ((error = pci_find_cap(root, PCIY_EXPRESS, &pos)) != 0)
1095ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN);
1096ab62989aSHans Petter Selasky
1097ab62989aSHans Petter Selasky lnkcap2 = pci_read_config(root, pos + PCIER_LINK_CAP2, 4);
1098ab62989aSHans Petter Selasky
1099ab62989aSHans Petter Selasky if (lnkcap2) { /* PCIe r3.0-compliant */
1100ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_2_5GB)
1101ab62989aSHans Petter Selasky return (PCIE_SPEED_2_5GT);
1102ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_5_0GB)
1103ab62989aSHans Petter Selasky return (PCIE_SPEED_5_0GT);
1104ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_8_0GB)
1105ab62989aSHans Petter Selasky return (PCIE_SPEED_8_0GT);
1106ab62989aSHans Petter Selasky if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_16_0GB)
1107ab62989aSHans Petter Selasky return (PCIE_SPEED_16_0GT);
11080adc02a9SJean-Sébastien Pédron if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_32_0GB)
11090adc02a9SJean-Sébastien Pédron return (PCIE_SPEED_32_0GT);
11100adc02a9SJean-Sébastien Pédron if (lnkcap2 & PCI_EXP_LNKCAP2_SLS_64_0GB)
11110adc02a9SJean-Sébastien Pédron return (PCIE_SPEED_64_0GT);
1112ab62989aSHans Petter Selasky } else { /* pre-r3.0 */
1113ab62989aSHans Petter Selasky lnkcap = pci_read_config(root, pos + PCIER_LINK_CAP, 4);
1114ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_2_5GB)
1115ab62989aSHans Petter Selasky return (PCIE_SPEED_2_5GT);
1116ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_5_0GB)
1117ab62989aSHans Petter Selasky return (PCIE_SPEED_5_0GT);
1118ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_8_0GB)
1119ab62989aSHans Petter Selasky return (PCIE_SPEED_8_0GT);
1120ab62989aSHans Petter Selasky if (lnkcap & PCI_EXP_LNKCAP_SLS_16_0GB)
1121ab62989aSHans Petter Selasky return (PCIE_SPEED_16_0GT);
11220adc02a9SJean-Sébastien Pédron if (lnkcap & PCI_EXP_LNKCAP_SLS_32_0GB)
11230adc02a9SJean-Sébastien Pédron return (PCIE_SPEED_32_0GT);
11240adc02a9SJean-Sébastien Pédron if (lnkcap & PCI_EXP_LNKCAP_SLS_64_0GB)
11250adc02a9SJean-Sébastien Pédron return (PCIE_SPEED_64_0GT);
1126ab62989aSHans Petter Selasky }
1127ab62989aSHans Petter Selasky return (PCI_SPEED_UNKNOWN);
1128ab62989aSHans Petter Selasky }
1129ab62989aSHans Petter Selasky
1130ab62989aSHans Petter Selasky static inline enum pcie_link_width
pcie_get_width_cap(struct pci_dev * dev)1131ab62989aSHans Petter Selasky pcie_get_width_cap(struct pci_dev *dev)
1132ab62989aSHans Petter Selasky {
1133ab62989aSHans Petter Selasky uint32_t lnkcap;
1134ab62989aSHans Petter Selasky
1135ab62989aSHans Petter Selasky pcie_capability_read_dword(dev, PCI_EXP_LNKCAP, &lnkcap);
1136ab62989aSHans Petter Selasky if (lnkcap)
1137ab62989aSHans Petter Selasky return ((lnkcap & PCI_EXP_LNKCAP_MLW) >> 4);
1138ab62989aSHans Petter Selasky
1139ab62989aSHans Petter Selasky return (PCIE_LNK_WIDTH_UNKNOWN);
1140ab62989aSHans Petter Selasky }
1141ab62989aSHans Petter Selasky
1142b4edb17cSHans Petter Selasky static inline int
pcie_get_mps(struct pci_dev * dev)1143b4edb17cSHans Petter Selasky pcie_get_mps(struct pci_dev *dev)
1144b4edb17cSHans Petter Selasky {
1145b4edb17cSHans Petter Selasky return (pci_get_max_payload(dev->dev.bsddev));
1146b4edb17cSHans Petter Selasky }
1147b4edb17cSHans Petter Selasky
1148b4edb17cSHans Petter Selasky static inline uint32_t
PCIE_SPEED2MBS_ENC(enum pci_bus_speed spd)1149b4edb17cSHans Petter Selasky PCIE_SPEED2MBS_ENC(enum pci_bus_speed spd)
1150b4edb17cSHans Petter Selasky {
1151b4edb17cSHans Petter Selasky
1152b4edb17cSHans Petter Selasky switch(spd) {
11530adc02a9SJean-Sébastien Pédron case PCIE_SPEED_64_0GT:
11540adc02a9SJean-Sébastien Pédron return (64000 * 128 / 130);
11550adc02a9SJean-Sébastien Pédron case PCIE_SPEED_32_0GT:
11560adc02a9SJean-Sébastien Pédron return (32000 * 128 / 130);
1157b4edb17cSHans Petter Selasky case PCIE_SPEED_16_0GT:
1158b4edb17cSHans Petter Selasky return (16000 * 128 / 130);
1159b4edb17cSHans Petter Selasky case PCIE_SPEED_8_0GT:
1160b4edb17cSHans Petter Selasky return (8000 * 128 / 130);
1161b4edb17cSHans Petter Selasky case PCIE_SPEED_5_0GT:
1162b4edb17cSHans Petter Selasky return (5000 * 8 / 10);
1163b4edb17cSHans Petter Selasky case PCIE_SPEED_2_5GT:
1164b4edb17cSHans Petter Selasky return (2500 * 8 / 10);
1165b4edb17cSHans Petter Selasky default:
1166b4edb17cSHans Petter Selasky return (0);
1167b4edb17cSHans Petter Selasky }
1168b4edb17cSHans Petter Selasky }
1169b4edb17cSHans Petter Selasky
1170b4edb17cSHans Petter Selasky static inline uint32_t
pcie_bandwidth_available(struct pci_dev * pdev,struct pci_dev ** limiting,enum pci_bus_speed * speed,enum pcie_link_width * width)1171b4edb17cSHans Petter Selasky pcie_bandwidth_available(struct pci_dev *pdev,
1172b4edb17cSHans Petter Selasky struct pci_dev **limiting,
1173b4edb17cSHans Petter Selasky enum pci_bus_speed *speed,
1174b4edb17cSHans Petter Selasky enum pcie_link_width *width)
1175b4edb17cSHans Petter Selasky {
1176b4edb17cSHans Petter Selasky enum pci_bus_speed nspeed = pcie_get_speed_cap(pdev);
1177b4edb17cSHans Petter Selasky enum pcie_link_width nwidth = pcie_get_width_cap(pdev);
1178b4edb17cSHans Petter Selasky
1179b4edb17cSHans Petter Selasky if (speed)
1180b4edb17cSHans Petter Selasky *speed = nspeed;
1181b4edb17cSHans Petter Selasky if (width)
1182b4edb17cSHans Petter Selasky *width = nwidth;
1183b4edb17cSHans Petter Selasky
1184b4edb17cSHans Petter Selasky return (nwidth * PCIE_SPEED2MBS_ENC(nspeed));
1185b4edb17cSHans Petter Selasky }
1186b4edb17cSHans Petter Selasky
1187af19988fSJean-Sébastien Pédron static inline bool
pcie_aspm_enabled(struct pci_dev * pdev)1188af19988fSJean-Sébastien Pédron pcie_aspm_enabled(struct pci_dev *pdev)
1189af19988fSJean-Sébastien Pédron {
1190af19988fSJean-Sébastien Pédron return (false);
1191af19988fSJean-Sébastien Pédron }
1192af19988fSJean-Sébastien Pédron
11938e106c52SBjoern A. Zeeb static inline struct pci_dev *
pcie_find_root_port(struct pci_dev * pdev)11948e106c52SBjoern A. Zeeb pcie_find_root_port(struct pci_dev *pdev)
11958e106c52SBjoern A. Zeeb {
11968e106c52SBjoern A. Zeeb device_t root;
11978e106c52SBjoern A. Zeeb
11988e106c52SBjoern A. Zeeb if (pdev->root != NULL)
11998e106c52SBjoern A. Zeeb return (pdev->root);
12008e106c52SBjoern A. Zeeb
12018e106c52SBjoern A. Zeeb root = pci_find_pcie_root_port(pdev->dev.bsddev);
12028e106c52SBjoern A. Zeeb if (root == NULL)
12038e106c52SBjoern A. Zeeb return (NULL);
12048e106c52SBjoern A. Zeeb
12058e106c52SBjoern A. Zeeb pdev->root = lkpinew_pci_dev(root);
12068e106c52SBjoern A. Zeeb return (pdev->root);
12078e106c52SBjoern A. Zeeb }
12088e106c52SBjoern A. Zeeb
12098e106c52SBjoern A. Zeeb /* This is needed when people rip out the device "HotPlug". */
12108e106c52SBjoern A. Zeeb static inline void
pci_lock_rescan_remove(void)12118e106c52SBjoern A. Zeeb pci_lock_rescan_remove(void)
12128e106c52SBjoern A. Zeeb {
12138e106c52SBjoern A. Zeeb }
12148e106c52SBjoern A. Zeeb
12158e106c52SBjoern A. Zeeb static inline void
pci_unlock_rescan_remove(void)12168e106c52SBjoern A. Zeeb pci_unlock_rescan_remove(void)
12178e106c52SBjoern A. Zeeb {
12188e106c52SBjoern A. Zeeb }
12198e106c52SBjoern A. Zeeb
12208e106c52SBjoern A. Zeeb static __inline void
pci_stop_and_remove_bus_device(struct pci_dev * pdev)12218e106c52SBjoern A. Zeeb pci_stop_and_remove_bus_device(struct pci_dev *pdev)
12228e106c52SBjoern A. Zeeb {
12238e106c52SBjoern A. Zeeb }
12248e106c52SBjoern A. Zeeb
1225525dd4acSBjoern A. Zeeb static inline int
pci_rescan_bus(struct pci_bus * pbus)1226525dd4acSBjoern A. Zeeb pci_rescan_bus(struct pci_bus *pbus)
1227525dd4acSBjoern A. Zeeb {
1228525dd4acSBjoern A. Zeeb device_t *devlist, parent;
1229525dd4acSBjoern A. Zeeb int devcount, error;
1230525dd4acSBjoern A. Zeeb
1231525dd4acSBjoern A. Zeeb if (!device_is_attached(pbus->self->dev.bsddev))
1232525dd4acSBjoern A. Zeeb return (0);
1233525dd4acSBjoern A. Zeeb /* pci_rescan_method() will work on the pcib (parent). */
1234525dd4acSBjoern A. Zeeb error = BUS_RESCAN(pbus->self->dev.bsddev);
1235525dd4acSBjoern A. Zeeb if (error != 0)
1236525dd4acSBjoern A. Zeeb return (0);
1237525dd4acSBjoern A. Zeeb
1238525dd4acSBjoern A. Zeeb parent = device_get_parent(pbus->self->dev.bsddev);
1239525dd4acSBjoern A. Zeeb error = device_get_children(parent, &devlist, &devcount);
1240525dd4acSBjoern A. Zeeb if (error != 0)
1241525dd4acSBjoern A. Zeeb return (0);
1242525dd4acSBjoern A. Zeeb if (devcount != 0)
1243525dd4acSBjoern A. Zeeb free(devlist, M_TEMP);
1244525dd4acSBjoern A. Zeeb
1245525dd4acSBjoern A. Zeeb return (devcount);
1246525dd4acSBjoern A. Zeeb }
1247525dd4acSBjoern A. Zeeb
1248253dbe74SHans Petter Selasky /*
1249253dbe74SHans Petter Selasky * The following functions can be used to attach/detach the LinuxKPI's
1250253dbe74SHans Petter Selasky * PCI device runtime. The pci_driver and pci_device_id pointer is
1251253dbe74SHans Petter Selasky * allowed to be NULL. Other pointers must be all valid.
1252253dbe74SHans Petter Selasky * The pci_dev structure should be zero-initialized before passed
1253253dbe74SHans Petter Selasky * to the linux_pci_attach_device function.
1254253dbe74SHans Petter Selasky */
1255253dbe74SHans Petter Selasky extern int linux_pci_attach_device(device_t, struct pci_driver *,
1256253dbe74SHans Petter Selasky const struct pci_device_id *, struct pci_dev *);
1257253dbe74SHans Petter Selasky extern int linux_pci_detach_device(struct pci_dev *);
1258253dbe74SHans Petter Selasky
12595e30a739SEmmanuel Vadot static inline int
pci_dev_present(const struct pci_device_id * cur)12605e30a739SEmmanuel Vadot pci_dev_present(const struct pci_device_id *cur)
12615e30a739SEmmanuel Vadot {
12625e30a739SEmmanuel Vadot while (cur != NULL && (cur->vendor || cur->device)) {
12635e30a739SEmmanuel Vadot if (pci_find_device(cur->vendor, cur->device) != NULL) {
12645e30a739SEmmanuel Vadot return (1);
12655e30a739SEmmanuel Vadot }
12665e30a739SEmmanuel Vadot cur++;
12675e30a739SEmmanuel Vadot }
12685e30a739SEmmanuel Vadot return (0);
12695e30a739SEmmanuel Vadot }
12705e30a739SEmmanuel Vadot
1271105a37caSEmmanuel Vadot struct pci_dev *lkpi_pci_get_domain_bus_and_slot(int domain,
1272105a37caSEmmanuel Vadot unsigned int bus, unsigned int devfn);
1273105a37caSEmmanuel Vadot #define pci_get_domain_bus_and_slot(domain, bus, devfn) \
1274105a37caSEmmanuel Vadot lkpi_pci_get_domain_bus_and_slot(domain, bus, devfn)
1275105a37caSEmmanuel Vadot
1276105a37caSEmmanuel Vadot static inline int
pci_domain_nr(struct pci_bus * pbus)1277105a37caSEmmanuel Vadot pci_domain_nr(struct pci_bus *pbus)
1278105a37caSEmmanuel Vadot {
1279105a37caSEmmanuel Vadot
12801fac2cb4SBjoern A. Zeeb return (pbus->domain);
1281105a37caSEmmanuel Vadot }
1282105a37caSEmmanuel Vadot
1283105a37caSEmmanuel Vadot static inline int
pci_bus_read_config(struct pci_bus * bus,unsigned int devfn,int pos,uint32_t * val,int len)1284105a37caSEmmanuel Vadot pci_bus_read_config(struct pci_bus *bus, unsigned int devfn,
1285105a37caSEmmanuel Vadot int pos, uint32_t *val, int len)
1286105a37caSEmmanuel Vadot {
1287105a37caSEmmanuel Vadot
1288105a37caSEmmanuel Vadot *val = pci_read_config(bus->self->dev.bsddev, pos, len);
1289105a37caSEmmanuel Vadot return (0);
1290105a37caSEmmanuel Vadot }
1291105a37caSEmmanuel Vadot
1292105a37caSEmmanuel Vadot static inline int
pci_bus_read_config_word(struct pci_bus * bus,unsigned int devfn,int pos,u16 * val)1293105a37caSEmmanuel Vadot pci_bus_read_config_word(struct pci_bus *bus, unsigned int devfn, int pos, u16 *val)
1294105a37caSEmmanuel Vadot {
1295105a37caSEmmanuel Vadot uint32_t tmp;
1296105a37caSEmmanuel Vadot int ret;
1297105a37caSEmmanuel Vadot
1298105a37caSEmmanuel Vadot ret = pci_bus_read_config(bus, devfn, pos, &tmp, 2);
1299105a37caSEmmanuel Vadot *val = (u16)tmp;
1300105a37caSEmmanuel Vadot return (ret);
1301105a37caSEmmanuel Vadot }
1302105a37caSEmmanuel Vadot
1303105a37caSEmmanuel Vadot static inline int
pci_bus_read_config_byte(struct pci_bus * bus,unsigned int devfn,int pos,u8 * val)1304105a37caSEmmanuel Vadot pci_bus_read_config_byte(struct pci_bus *bus, unsigned int devfn, int pos, u8 *val)
1305105a37caSEmmanuel Vadot {
1306105a37caSEmmanuel Vadot uint32_t tmp;
1307105a37caSEmmanuel Vadot int ret;
1308105a37caSEmmanuel Vadot
1309105a37caSEmmanuel Vadot ret = pci_bus_read_config(bus, devfn, pos, &tmp, 1);
1310105a37caSEmmanuel Vadot *val = (u8)tmp;
1311105a37caSEmmanuel Vadot return (ret);
1312105a37caSEmmanuel Vadot }
1313105a37caSEmmanuel Vadot
1314105a37caSEmmanuel Vadot static inline int
pci_bus_write_config(struct pci_bus * bus,unsigned int devfn,int pos,uint32_t val,int size)1315105a37caSEmmanuel Vadot pci_bus_write_config(struct pci_bus *bus, unsigned int devfn, int pos,
1316105a37caSEmmanuel Vadot uint32_t val, int size)
1317105a37caSEmmanuel Vadot {
1318105a37caSEmmanuel Vadot
1319105a37caSEmmanuel Vadot pci_write_config(bus->self->dev.bsddev, pos, val, size);
1320105a37caSEmmanuel Vadot return (0);
1321105a37caSEmmanuel Vadot }
1322105a37caSEmmanuel Vadot
1323105a37caSEmmanuel Vadot static inline int
pci_bus_write_config_byte(struct pci_bus * bus,unsigned int devfn,int pos,uint8_t val)1324105a37caSEmmanuel Vadot pci_bus_write_config_byte(struct pci_bus *bus, unsigned int devfn, int pos,
1325105a37caSEmmanuel Vadot uint8_t val)
1326105a37caSEmmanuel Vadot {
1327105a37caSEmmanuel Vadot return (pci_bus_write_config(bus, devfn, pos, val, 1));
1328105a37caSEmmanuel Vadot }
1329105a37caSEmmanuel Vadot
1330105a37caSEmmanuel Vadot static inline int
pci_bus_write_config_word(struct pci_bus * bus,unsigned int devfn,int pos,uint16_t val)1331105a37caSEmmanuel Vadot pci_bus_write_config_word(struct pci_bus *bus, unsigned int devfn, int pos,
1332105a37caSEmmanuel Vadot uint16_t val)
1333105a37caSEmmanuel Vadot {
1334105a37caSEmmanuel Vadot return (pci_bus_write_config(bus, devfn, pos, val, 2));
1335105a37caSEmmanuel Vadot }
1336105a37caSEmmanuel Vadot
1337105a37caSEmmanuel Vadot struct pci_dev *lkpi_pci_get_class(unsigned int class, struct pci_dev *from);
1338105a37caSEmmanuel Vadot #define pci_get_class(class, from) lkpi_pci_get_class(class, from)
1339105a37caSEmmanuel Vadot
1340d4a4960cSBjoern A. Zeeb /* -------------------------------------------------------------------------- */
1341d4a4960cSBjoern A. Zeeb
134296ab16ebSVladimir Kondratyev #define pcim_enable_device(pdev) linuxkpi_pcim_enable_device(pdev)
134396ab16ebSVladimir Kondratyev #define pcim_iomap_table(pdev) linuxkpi_pcim_iomap_table(pdev)
134496ab16ebSVladimir Kondratyev #define pcim_iomap_regions(pdev, mask, name) \
134596ab16ebSVladimir Kondratyev linuxkpi_pcim_iomap_regions(pdev, mask, name)
1346d4a4960cSBjoern A. Zeeb
134730048f61SBjoern A. Zeeb static inline int
pcim_iomap_regions_request_all(struct pci_dev * pdev,uint32_t mask,char * name)134830048f61SBjoern A. Zeeb pcim_iomap_regions_request_all(struct pci_dev *pdev, uint32_t mask, char *name)
134930048f61SBjoern A. Zeeb {
135030048f61SBjoern A. Zeeb uint32_t requests, req_mask;
135130048f61SBjoern A. Zeeb int bar, error;
135230048f61SBjoern A. Zeeb
135330048f61SBjoern A. Zeeb /* Request all the BARs ("regions") we do not iomap. */
135430048f61SBjoern A. Zeeb req_mask = ((1 << (PCIR_MAX_BAR_0 + 1)) - 1) & ~mask;
135530048f61SBjoern A. Zeeb for (bar = requests = 0; requests != req_mask; bar++) {
135630048f61SBjoern A. Zeeb if ((req_mask & (1 << bar)) == 0)
135730048f61SBjoern A. Zeeb continue;
135830048f61SBjoern A. Zeeb error = pci_request_region(pdev, bar, name);
135930048f61SBjoern A. Zeeb if (error != 0 && error != -ENODEV)
136030048f61SBjoern A. Zeeb goto err;
136130048f61SBjoern A. Zeeb requests |= (1 << bar);
136230048f61SBjoern A. Zeeb }
136330048f61SBjoern A. Zeeb
136430048f61SBjoern A. Zeeb error = pcim_iomap_regions(pdev, mask, name);
136530048f61SBjoern A. Zeeb if (error != 0)
136630048f61SBjoern A. Zeeb goto err;
136730048f61SBjoern A. Zeeb
136830048f61SBjoern A. Zeeb return (0);
136930048f61SBjoern A. Zeeb
137030048f61SBjoern A. Zeeb err:
137130048f61SBjoern A. Zeeb for (bar = PCIR_MAX_BAR_0; bar >= 0; bar--) {
137230048f61SBjoern A. Zeeb if ((requests & (1 << bar)) != 0)
137330048f61SBjoern A. Zeeb pci_release_region(pdev, bar);
137430048f61SBjoern A. Zeeb }
137530048f61SBjoern A. Zeeb
137630048f61SBjoern A. Zeeb return (-EINVAL);
137730048f61SBjoern A. Zeeb }
137830048f61SBjoern A. Zeeb
13798f61992dSBjoern A. Zeeb /*
13808f61992dSBjoern A. Zeeb * We cannot simply re-define pci_get_device() as we would normally do
13818f61992dSBjoern A. Zeeb * and then hide it in linux_pci.c as too many semi-native drivers still
1382b15491b4SBjoern A. Zeeb * include linux/pci.h and run into the conflict with native PCI. Linux drivers
13838f61992dSBjoern A. Zeeb * using pci_get_device() need to be changed to call linuxkpi_pci_get_device().
13848f61992dSBjoern A. Zeeb */
13858f61992dSBjoern A. Zeeb static inline struct pci_dev *
linuxkpi_pci_get_device(uint16_t vendor,uint16_t device,struct pci_dev * odev)13868f61992dSBjoern A. Zeeb linuxkpi_pci_get_device(uint16_t vendor, uint16_t device, struct pci_dev *odev)
13878f61992dSBjoern A. Zeeb {
13888f61992dSBjoern A. Zeeb
13898f61992dSBjoern A. Zeeb return (lkpi_pci_get_device(vendor, device, odev));
13908f61992dSBjoern A. Zeeb }
13918f61992dSBjoern A. Zeeb
1392d4a4960cSBjoern A. Zeeb /* This is a FreeBSD extension so we can use bus_*(). */
1393d4a4960cSBjoern A. Zeeb static inline void
linuxkpi_pcim_want_to_use_bus_functions(struct pci_dev * pdev)1394d4a4960cSBjoern A. Zeeb linuxkpi_pcim_want_to_use_bus_functions(struct pci_dev *pdev)
1395d4a4960cSBjoern A. Zeeb {
1396d4a4960cSBjoern A. Zeeb pdev->want_iomap_res = true;
1397d4a4960cSBjoern A. Zeeb }
1398d4a4960cSBjoern A. Zeeb
13996890e327SEmmanuel Vadot static inline bool
pci_is_thunderbolt_attached(struct pci_dev * pdev)14006890e327SEmmanuel Vadot pci_is_thunderbolt_attached(struct pci_dev *pdev)
14016890e327SEmmanuel Vadot {
14026890e327SEmmanuel Vadot
14036890e327SEmmanuel Vadot return (false);
14046890e327SEmmanuel Vadot }
14056890e327SEmmanuel Vadot
14066890e327SEmmanuel Vadot static inline void *
pci_platform_rom(struct pci_dev * pdev,size_t * size)14076890e327SEmmanuel Vadot pci_platform_rom(struct pci_dev *pdev, size_t *size)
14086890e327SEmmanuel Vadot {
14096890e327SEmmanuel Vadot
14106890e327SEmmanuel Vadot return (NULL);
14116890e327SEmmanuel Vadot }
14126890e327SEmmanuel Vadot
14136890e327SEmmanuel Vadot static inline void
pci_ignore_hotplug(struct pci_dev * pdev)14146890e327SEmmanuel Vadot pci_ignore_hotplug(struct pci_dev *pdev)
14156890e327SEmmanuel Vadot {
14166890e327SEmmanuel Vadot }
14176890e327SEmmanuel Vadot
14184cb3cb2dSJake Freeland static inline const char *
pci_power_name(pci_power_t state)14194cb3cb2dSJake Freeland pci_power_name(pci_power_t state)
14204cb3cb2dSJake Freeland {
14214cb3cb2dSJake Freeland int pstate = state + 1;
14224cb3cb2dSJake Freeland
14234cb3cb2dSJake Freeland if (pstate >= 0 && pstate < nitems(pci_power_names))
14244cb3cb2dSJake Freeland return (pci_power_names[pstate]);
14254cb3cb2dSJake Freeland else
14264cb3cb2dSJake Freeland return (pci_power_names[0]);
14274cb3cb2dSJake Freeland }
14284cb3cb2dSJake Freeland
14296890e327SEmmanuel Vadot static inline int
pcie_get_readrq(struct pci_dev * dev)14306890e327SEmmanuel Vadot pcie_get_readrq(struct pci_dev *dev)
14316890e327SEmmanuel Vadot {
14326890e327SEmmanuel Vadot u16 ctl;
14336890e327SEmmanuel Vadot
14346890e327SEmmanuel Vadot if (pcie_capability_read_word(dev, PCI_EXP_DEVCTL, &ctl))
14356890e327SEmmanuel Vadot return (-EINVAL);
14366890e327SEmmanuel Vadot
14376890e327SEmmanuel Vadot return (128 << ((ctl & PCI_EXP_DEVCTL_READRQ) >> 12));
14386890e327SEmmanuel Vadot }
14396890e327SEmmanuel Vadot
14405f2f582cSBjoern A. Zeeb static inline bool
pci_is_enabled(struct pci_dev * pdev)14415f2f582cSBjoern A. Zeeb pci_is_enabled(struct pci_dev *pdev)
14425f2f582cSBjoern A. Zeeb {
14435f2f582cSBjoern A. Zeeb
14445f2f582cSBjoern A. Zeeb return ((pci_read_config(pdev->dev.bsddev, PCIR_COMMAND, 2) &
14455f2f582cSBjoern A. Zeeb PCIM_CMD_BUSMASTEREN) != 0);
14465f2f582cSBjoern A. Zeeb }
14475f2f582cSBjoern A. Zeeb
144849b6d5edSJean-Sébastien Pédron static inline int
pci_wait_for_pending_transaction(struct pci_dev * pdev)144949b6d5edSJean-Sébastien Pédron pci_wait_for_pending_transaction(struct pci_dev *pdev)
145049b6d5edSJean-Sébastien Pédron {
145149b6d5edSJean-Sébastien Pédron
145249b6d5edSJean-Sébastien Pédron return (0);
145349b6d5edSJean-Sébastien Pédron }
145449b6d5edSJean-Sébastien Pédron
1455fd1a2f3dSBjoern A. Zeeb static inline int
pci_assign_resource(struct pci_dev * pdev,int bar)1456fd1a2f3dSBjoern A. Zeeb pci_assign_resource(struct pci_dev *pdev, int bar)
1457fd1a2f3dSBjoern A. Zeeb {
1458fd1a2f3dSBjoern A. Zeeb
1459fd1a2f3dSBjoern A. Zeeb return (0);
1460fd1a2f3dSBjoern A. Zeeb }
1461fd1a2f3dSBjoern A. Zeeb
1462fd1a2f3dSBjoern A. Zeeb static inline int
pci_irq_vector(struct pci_dev * pdev,unsigned int vector)1463fd1a2f3dSBjoern A. Zeeb pci_irq_vector(struct pci_dev *pdev, unsigned int vector)
1464fd1a2f3dSBjoern A. Zeeb {
1465fd1a2f3dSBjoern A. Zeeb
1466fd1a2f3dSBjoern A. Zeeb if (!pdev->msix_enabled && !pdev->msi_enabled) {
1467fd1a2f3dSBjoern A. Zeeb if (vector != 0)
1468fd1a2f3dSBjoern A. Zeeb return (-EINVAL);
1469fd1a2f3dSBjoern A. Zeeb return (pdev->irq);
1470fd1a2f3dSBjoern A. Zeeb }
1471fd1a2f3dSBjoern A. Zeeb
1472fd1a2f3dSBjoern A. Zeeb if (pdev->msix_enabled || pdev->msi_enabled) {
1473fd1a2f3dSBjoern A. Zeeb if ((pdev->dev.irq_start + vector) >= pdev->dev.irq_end)
1474fd1a2f3dSBjoern A. Zeeb return (-EINVAL);
1475fd1a2f3dSBjoern A. Zeeb return (pdev->dev.irq_start + vector);
1476fd1a2f3dSBjoern A. Zeeb }
1477fd1a2f3dSBjoern A. Zeeb
1478fd1a2f3dSBjoern A. Zeeb return (-ENXIO);
1479fd1a2f3dSBjoern A. Zeeb }
1480fd1a2f3dSBjoern A. Zeeb
1481307f78f3SVladimir Kondratyev #endif /* _LINUXKPI_LINUX_PCI_H_ */
1482