d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

LinuxKPI: pci.h add more defines and functions

Browse Source 
Add #defines for PCI_DEVICE_ID and repoint the PCI_VENDOR_ID one.
Add dev_is_pci().
Add pcie_capability_clear_word() according to similar implementations.

Sponsored by:	The FreeBSD Foundation
MFC after:	7 days
Reviewed by:	hselasky, emaste
Differential Revision: https://reviews.freebsd.org/D36653
This commit is contained in:
Bjoern A. Zeeb 2022-09-21 19:39:01 +00:00
parent e999fbf077
commit c41d83548b
1 changed files with 27 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
sys/compat/linuxkpi/common/include/linux/pci.h
View File

@ -4,7 +4,7 @@
* Copyright (c) 2010 Panasas, Inc.
* Copyright (c) 2013-2016 Mellanox Technologies, Ltd.
* All rights reserved.
* Copyright (c) 2020-2021 The FreeBSD Foundation
* Copyright (c) 2020-2022 The FreeBSD Foundation
*
* Portions of this software were developed by Björn Zeeb
* under sponsorship from the FreeBSD Foundation.
@ -106,7 +106,8 @@ MODULE_PNP_INFO("U32:vendor;U32:device;V32:subvendor;V32:subdevice", \
#define to_pci_dev(n) container_of(n, struct pci_dev, dev)
#define PCI_VENDOR_ID PCIR_DEVVENDOR
#define PCI_VENDOR_ID PCIR_VENDOR
#define PCI_DEVICE_ID PCIR_DEVICE
#define PCI_COMMAND PCIR_COMMAND
#define PCI_COMMAND_INTX_DISABLE PCIM_CMD_INTxDIS
#define PCI_EXP_DEVCTL PCIER_DEVICE_CTL /* Device Control */
@ -213,6 +214,7 @@ typedef int pci_power_t;
#define PCI_IRQ_LEGACY 0x01
#define PCI_IRQ_MSI 0x02
#define PCI_IRQ_MSIX 0x04
#define PCI_IRQ_ALL_TYPES (PCI_IRQ_MSIX|PCI_IRQ_MSI|PCI_IRQ_LEGACY)
struct pci_dev;
@ -328,6 +330,13 @@ struct resource *_lkpi_pci_iomap(struct pci_dev *pdev, int bar, int mmio_size);
struct pcim_iomap_devres *lkpi_pcim_iomap_devres_find(struct pci_dev *pdev);
void lkpi_pcim_iomap_table_release(struct device *, void *);
static inline bool
dev_is_pci(struct device *dev)
{
return (device_get_devclass(dev->bsddev) == devclass_find("pci"));
}
static inline int
pci_resource_type(struct pci_dev *pdev, int bar)
{
@ -1159,6 +1168,22 @@ pcie_capability_set_word(struct pci_dev *dev, int pos, uint16_t val)
return (error);
}
static inline int
pcie_capability_clear_word(struct pci_dev *dev, int pos, uint16_t val)
{
int error;
uint16_t v;
error = pcie_capability_read_word(dev, pos, &v);
if (error != 0)
return (error);
v &= ~val;
error = pcie_capability_write_word(dev, pos, v);
return (error);
}
static inline int pcie_get_minimum_link(struct pci_dev *dev,
enum pci_bus_speed *speed, enum pcie_link_width *width)
{