freebsd-skq/sys/dev/pci/pci_if.m
Bryan Venteicher 7a16dacdfa Add PCI methods to iterate over the PCI capabilities
VirtIO V1 provides configuration in multiple VENDOR capabilities so this
allows all of the configuration to be discovered.

Reviewed by:	jhb
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D14325
2018-02-19 18:41:56 +00:00

282 lines
4.8 KiB
Objective-C

#-
# Copyright (c) 1998 Doug Rabson
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
# SUCH DAMAGE.
#
# $FreeBSD$
#
#include <sys/bus.h>
#include <dev/pci/pcivar.h>
INTERFACE pci;
CODE {
static int
null_msi_count(device_t dev, device_t child)
{
return (0);
}
static int
null_msix_bar(device_t dev, device_t child)
{
return (-1);
}
static device_t
null_create_iov_child(device_t bus, device_t pf, uint16_t rid,
uint16_t vid, uint16_t did)
{
device_printf(bus, "PCI_IOV not implemented on this bus.\n");
return (NULL);
}
};
HEADER {
struct nvlist;
enum pci_id_type {
PCI_ID_RID,
PCI_ID_MSI,
};
enum pci_feature {
PCI_FEATURE_HP, /* Hot Plug feature */
PCI_FEATURE_AER, /* Advanced Error Reporting */
};
}
METHOD u_int32_t read_config {
device_t dev;
device_t child;
int reg;
int width;
};
METHOD void write_config {
device_t dev;
device_t child;
int reg;
u_int32_t val;
int width;
};
METHOD int get_powerstate {
device_t dev;
device_t child;
};
METHOD int set_powerstate {
device_t dev;
device_t child;
int state;
};
METHOD int get_vpd_ident {
device_t dev;
device_t child;
const char **identptr;
};
METHOD int get_vpd_readonly {
device_t dev;
device_t child;
const char *kw;
const char **vptr;
};
METHOD int enable_busmaster {
device_t dev;
device_t child;
};
METHOD int disable_busmaster {
device_t dev;
device_t child;
};
METHOD int enable_io {
device_t dev;
device_t child;
int space;
};
METHOD int disable_io {
device_t dev;
device_t child;
int space;
};
METHOD int assign_interrupt {
device_t dev;
device_t child;
};
METHOD int find_cap {
device_t dev;
device_t child;
int capability;
int *capreg;
};
METHOD int find_next_cap {
device_t dev;
device_t child;
int capability;
int start;
int *capreg;
};
METHOD int find_extcap {
device_t dev;
device_t child;
int capability;
int *capreg;
};
METHOD int find_next_extcap {
device_t dev;
device_t child;
int capability;
int start;
int *capreg;
};
METHOD int find_htcap {
device_t dev;
device_t child;
int capability;
int *capreg;
};
METHOD int find_next_htcap {
device_t dev;
device_t child;
int capability;
int start;
int *capreg;
};
METHOD int alloc_msi {
device_t dev;
device_t child;
int *count;
};
METHOD int alloc_msix {
device_t dev;
device_t child;
int *count;
};
METHOD void enable_msi {
device_t dev;
device_t child;
uint64_t address;
uint16_t data;
};
METHOD void enable_msix {
device_t dev;
device_t child;
u_int index;
uint64_t address;
uint32_t data;
};
METHOD void disable_msi {
device_t dev;
device_t child;
};
METHOD int remap_msix {
device_t dev;
device_t child;
int count;
const u_int *vectors;
};
METHOD int release_msi {
device_t dev;
device_t child;
};
METHOD int msi_count {
device_t dev;
device_t child;
} DEFAULT null_msi_count;
METHOD int msix_count {
device_t dev;
device_t child;
} DEFAULT null_msi_count;
METHOD int msix_pba_bar {
device_t dev;
device_t child;
} DEFAULT null_msix_bar;
METHOD int msix_table_bar {
device_t dev;
device_t child;
} DEFAULT null_msix_bar;
METHOD int get_id {
device_t dev;
device_t child;
enum pci_id_type type;
uintptr_t *id;
};
METHOD struct pci_devinfo * alloc_devinfo {
device_t dev;
};
METHOD void child_added {
device_t dev;
device_t child;
};
METHOD int iov_attach {
device_t dev;
device_t child;
struct nvlist *pf_schema;
struct nvlist *vf_schema;
const char *name;
};
METHOD int iov_detach {
device_t dev;
device_t child;
};
METHOD device_t create_iov_child {
device_t bus;
device_t pf;
uint16_t rid;
uint16_t vid;
uint16_t did;
} DEFAULT null_create_iov_child;