freebsd-skq/sys/dev/pci/pci_if.m
andrew 5685cc375d Add a new get_id interface to pci and pcib. This will allow us to both
detect failures, and get different PCI IDs.

For the former the interface returns an int to signal an error. The ID is
returned at a uintptr_t * argument.

For the latter there is a type argument that allows selecting the ID type.
This only specifies a single type, however a MSI type will be added
to handle the need to find the ID the hardware passes to the ARM GICv3
interrupt controller.

A follow up commit will be made to remove pci_get_rid.

Reviewed by:	jhb, rstone
Obtained from:	ABT Systems Ltd
Sponsored by:	The FreeBSD Foundation
Differential Revision:	https://reviews.freebsd.org/D6239
2016-05-11 17:07:29 +00:00

247 lines
4.3 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;
}
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_extcap {
device_t dev;
device_t child;
int capability;
int *capreg;
};
METHOD int find_htcap {
device_t dev;
device_t child;
int capability;
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;
};
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;