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Renamed fs_id to mount_id.

Browse Source 
Some clean-ups.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1174 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2002-09-25 14:05:44 +00:00
parent 4dc5ecd3cb
commit 62781e5bc4
1 changed files with 75 additions and 57 deletions
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src/kernel/core/addons/bus_managers/pci/pci_bus.c
+75 -57
View File
@@ -2,7 +2,9 @@
** Copyright 2001, Travis Geiselbrecht. All rights reserved.
** Distributed under the terms of the NewOS License.
*/
#include <kernel.h>
#include <vfs.h>
#include <debug.h>
#include <lock.h>
@@ -19,27 +21,28 @@
*
* If you want to include the header for more information, you'll need to
* 1) get a copy of pcihdr.h from http://www.yourvote.com/pci/ and modify it
* or get pcihdr.h.zip from http://beos.jetnet.co.uk/kernel/
* 2) copy it into the pci directory (ie here)
* 3) change the define of USE_PCIHDR from 0 to 1
* 4) rebuild
*/
#define USE_PCIHDR 0
#if USE_PCIHDR
#include "pcihdr.h"
# include "pcihdr.h"
#endif
int pci_scan_all();
struct pci_fs {
fs_id id;
mount_id id;
mutex lock;
void *covered_vnode;
void *redir_vnode;
int root_vnode; /* just a placeholder to return a pointer to */
};
static unsigned int pci_read_data(uint8 bus, uint8 unit, uint8 function, int reg, int bytes)
static unsigned int
pci_read_data(uint8 bus, uint8 unit, uint8 function, int reg, int bytes)
{
struct pci_config_address addr;
addr.enable = 1;
@@ -62,7 +65,9 @@ static unsigned int pci_read_data(uint8 bus, uint8 unit, uint8 function, int reg
}
}
static void pci_write_data(uint8 bus, uint8 unit, uint8 function, int reg, uint32 data, int bytes)
static void
pci_write_data(uint8 bus, uint8 unit, uint8 function, int reg, uint32 data, int bytes)
{
struct pci_config_address addr;
addr.enable = 1;
@@ -87,7 +92,9 @@ static void pci_write_data(uint8 bus, uint8 unit, uint8 function, int reg, uint3
return;
}
static int pci_read_config(uint8 bus, uint8 unit, uint8 func, struct pci_cfg *cfg)
static int
pci_read_config(uint8 bus, uint8 unit, uint8 func, struct pci_cfg *cfg)
{
union {
struct pci_cfg cfg;
@@ -95,10 +102,10 @@ static int pci_read_config(uint8 bus, uint8 unit, uint8 func, struct pci_cfg *cf
} u;
int i;
for(i=0; i<4; i++) {
for (i = 0; i<4; i++) {
u.word[i] = pci_read_data(bus, unit, func, 4*i, 4);
}
if(u.cfg.vendor_id == 0xffff)
if (u.cfg.vendor_id == 0xffff)
return -1;
// move over to the passed in config structure
@@ -107,44 +114,46 @@ static int pci_read_config(uint8 bus, uint8 unit, uint8 func, struct pci_cfg *cf
cfg->unit = unit;
cfg->func = func;
switch(cfg->header_type & 0x7f) {
case 0: { // normal device
uint32 v;
for(i=0; i<6; i++) {
v = pci_read_data(bus, unit, func, i*4 + 0x10, 4);
if(v) {
int v2;
pci_write_data(bus, unit, func, i*4 + 0x10, 0xffffffff, 4);
v2 = pci_read_data(bus, unit, func, i*4 + 0x10, 4) & 0xfffffff0;
pci_write_data(bus, unit, func, i*4 + 0x10, v, 4);
v2 = 1 + ~v2;
if(v & 1) {
cfg->base[i] = v & 0xfff0;
cfg->size[i] = v2 & 0xffff;
switch (cfg->header_type & 0x7f) {
case 0: { // normal device
uint32 v;
for(i=0; i<6; i++) {
v = pci_read_data(bus, unit, func, i*4 + 0x10, 4);
if(v) {
int v2;
pci_write_data(bus, unit, func, i*4 + 0x10, 0xffffffff, 4);
v2 = pci_read_data(bus, unit, func, i*4 + 0x10, 4) & 0xfffffff0;
pci_write_data(bus, unit, func, i*4 + 0x10, v, 4);
v2 = 1 + ~v2;
if(v & 1) {
cfg->base[i] = v & 0xfff0;
cfg->size[i] = v2 & 0xffff;
} else {
cfg->base[i] = v & 0xfffffff0;
cfg->size[i] = v2;
}
} else {
cfg->base[i] = v & 0xfffffff0;
cfg->size[i] = v2;
cfg->base[i] = 0;
cfg->size[i] = 0;
}
} else {
cfg->base[i] = 0;
cfg->size[i] = 0;
}
v = pci_read_data(bus, unit, func, 0x3c, 1);
cfg->irq = (v == 0xff ? 0 : v);
break;
}
v = pci_read_data(bus, unit, func, 0x3c, 1);
cfg->irq = (v == 0xff ? 0 : v);
break;
}
case 1: // PCI <-> PCI bridge
break;
default:
break;
case 1: // PCI <-> PCI bridge
break;
default:
break;
}
return 0;
}
static const char *pci_class_to_string(uint8 base_class)
static const char *
pci_class_to_string(uint8 base_class)
{
switch(base_class) {
switch (base_class) {
case 0x00: return "legacy";
case 0x01: return "mass storage";
case 0x02: return "network";
@@ -167,7 +176,9 @@ static const char *pci_class_to_string(uint8 base_class)
}
}
static const char *pci_subclass_to_string(uint8 base_class, uint8 sub_class)
static const char *
pci_subclass_to_string(uint8 base_class, uint8 sub_class)
{
switch(base_class) {
case 0: // legacy
@@ -215,7 +226,9 @@ static const char *pci_subclass_to_string(uint8 base_class, uint8 sub_class)
}
}
void dump_pci_config(struct pci_cfg *cfg)
void
dump_pci_config(struct pci_cfg *cfg)
{
int i;
@@ -239,20 +252,22 @@ void dump_pci_config(struct pci_cfg *cfg)
dprintf("\tirq: %d\n", cfg->irq);
for(i=0; i<6; i++) {
dprintf("\tbase[%d] = 0x%x\n", i, cfg->base[i]);
dprintf("\tsize[%d] = 0x%x\n", i, cfg->size[i]);
for (i = 0; i < 6; i++) {
dprintf("\tbase[%d] = 0x%lx\n", i, cfg->base[i]);
dprintf("\tsize[%d] = 0x%lx\n", i, cfg->size[i]);
}
}
static void dump_short_pci_config(struct pci_cfg *cfg)
static void
dump_short_pci_config(struct pci_cfg *cfg)
{
#if !USE_PCIHDR
dprintf("PCI: vendor id %d, device id %d ", cfg->vendor_id, cfg->device_id);
dprintf(", base class: %d '%s'\n", cfg->base_class, pci_class_to_string(cfg->base_class));
#else
int i,j;
for (i=0; i < PCI_VENTABLE_LEN; i++) {
for (i = 0; i < PCI_VENTABLE_LEN; i++) {
if (PciVenTable[i].VenId == cfg->vendor_id) {
dprintf("PCI: %s: ", PciVenTable[i].VenFull);
for (j=0; j < PCI_DEVTABLE_LEN; j++) {
@@ -266,25 +281,27 @@ static void dump_short_pci_config(struct pci_cfg *cfg)
#endif
}
int pci_probe(uint8 bus, uint8 unit, uint8 function, struct pci_cfg *cfg)
int
pci_probe(uint8 bus, uint8 unit, uint8 function, struct pci_cfg *cfg)
{
if(function > 0) {
if (function > 0) {
struct pci_cfg cfg1;
// read info about the first unit
if(pci_probe(bus, unit, 0, &cfg1) < 0)
if (pci_probe(bus, unit, 0, &cfg1) < 0)
return -1;
if(!(cfg1.header_type & 0x80)) {
if (!(cfg1.header_type & 0x80)) {
// no multiple functions for this dev
return -1;
}
}
if(pci_read_data(bus, unit, function, 0, 2) == 0xffff)
if (pci_read_data(bus, unit, function, 0, 2) == 0xffff)
return -1;
if(pci_read_config(bus, unit, function, cfg) < 0)
if (pci_read_config(bus, unit, function, cfg) < 0)
return -1;
dump_short_pci_config(cfg);
@@ -294,7 +311,8 @@ int pci_probe(uint8 bus, uint8 unit, uint8 function, struct pci_cfg *cfg)
#if 0
int pci_scan_all()
int
pci_scan_all()
{
int bus;
int unit;
@@ -302,20 +320,20 @@ int pci_scan_all()
dprintf("pci_scan_all: entry\n");
for(bus = 0; bus < 255; bus++) {
for(unit = 0; unit < 32; unit++) {
for(function = 0; function < 8; function++) {
for (bus = 0; bus < 255; bus++) {
for (unit = 0; unit < 32; unit++) {
for (function = 0; function < 8; function++) {
struct pci_cfg cfg;
if(pci_read_data(bus, unit, function, 0, 2) == 0xffff)
if (pci_read_data(bus, unit, function, 0, 2) == 0xffff)
break;
if(pci_read_config(bus, unit, function, &cfg) < 0)
if (pci_read_config(bus, unit, function, &cfg) < 0)
break;
dump_short_pci_config(&cfg);
if(!(cfg.header_type & 0x80)) {
if (!(cfg.header_type & 0x80)) {
// no multiple functions
break;
}