struct socket_data {
struct resource_map mem_db;
+ struct resource_map mem_db_valid;
struct resource_map io_db;
- unsigned int rsrc_mem_probe;
};
-static DEFINE_MUTEX(rsrc_mutex);
#define MEM_PROBE_LOW (1 << 0)
#define MEM_PROBE_HIGH (1 << 1)
struct resource_map *p, *q;
for (p = map; ; p = p->next) {
- if ((p != map) && (p->base+p->num-1 >= base))
- return -1;
+ if ((p != map) && (p->base+p->num >= base)) {
+ p->num = max(num + base - p->base, p->num);
+ return 0;
+ }
if ((p->next == map) || (p->next->base > base+num-1))
break;
}
{
int ret = -EINVAL;
+ if (s->fake_cis) {
+ dev_dbg(&s->dev, "fake CIS is being used: can't validate mem\n");
+ return 0;
+ }
+
s->cis_mem.res = res;
s->cis_virt = ioremap(res->start, s->map_size);
if (s->cis_virt) {
+ mutex_unlock(&s->ops_mutex);
/* as we're only called from pcmcia.c, we're safe */
if (s->callback->validate)
ret = s->callback->validate(s, count);
/* invalidate mapping */
+ mutex_lock(&s->ops_mutex);
iounmap(s->cis_virt);
s->cis_virt = NULL;
}
struct resource *res,
unsigned int *value))
{
+ struct socket_data *s_data = s->resource_data;
struct resource *res1, *res2;
unsigned int info1 = 1, info2 = 1;
int ret = -EINVAL;
if ((ret) || (info1 != info2) || (info1 == 0))
return -EINVAL;
+ if (validate && !s->fake_cis) {
+ /* move it to the validated data set */
+ add_interval(&s_data->mem_db_valid, base, size);
+ sub_interval(&s_data->mem_db, base, size);
+ }
+
return 0;
}
if (probe_mask & MEM_PROBE_HIGH) {
if (inv_probe(s_data->mem_db.next, s) > 0)
return 0;
+ if (s_data->mem_db_valid.next != &s_data->mem_db_valid)
+ return 0;
dev_printk(KERN_NOTICE, &s->dev,
"cs: warning: no high memory space available!\n");
return -ENODEV;
{
struct socket_data *s_data = s->resource_data;
unsigned int probe_mask = MEM_PROBE_LOW;
- int ret = 0;
+ int ret;
- if (!probe_mem)
+ if (!probe_mem || !(s->state & SOCKET_PRESENT))
return 0;
- mutex_lock(&rsrc_mutex);
-
if (s->features & SS_CAP_PAGE_REGS)
probe_mask = MEM_PROBE_HIGH;
- if (probe_mask & ~s_data->rsrc_mem_probe) {
- if (s->state & SOCKET_PRESENT) {
- ret = validate_mem(s, probe_mask);
- if (!ret)
- s_data->rsrc_mem_probe |= probe_mask;
- }
- }
+ ret = validate_mem(s, probe_mask);
- mutex_unlock(&rsrc_mutex);
+ if (s_data->mem_db_valid.next != &s_data->mem_db_valid)
+ return 0;
return ret;
}
struct resource_map *map;
};
-static void
-pcmcia_common_align(void *align_data, struct resource *res,
+static resource_size_t
+pcmcia_common_align(void *align_data, const struct resource *res,
resource_size_t size, resource_size_t align)
{
struct pcmcia_align_data *data = align_data;
start = (res->start & ~data->mask) + data->offset;
if (start < res->start)
start += data->mask + 1;
- res->start = start;
+ return start;
}
-static void
-pcmcia_align(void *align_data, struct resource *res, resource_size_t size,
- resource_size_t align)
+static resource_size_t
+pcmcia_align(void *align_data, const struct resource *res,
+ resource_size_t size, resource_size_t align)
{
struct pcmcia_align_data *data = align_data;
struct resource_map *m;
+ resource_size_t start;
- pcmcia_common_align(data, res, size, align);
+ start = pcmcia_common_align(data, res, size, align);
for (m = data->map->next; m != data->map; m = m->next) {
unsigned long start = m->base;
* fit here.
*/
if (res->start < start) {
- res->start = start;
- pcmcia_common_align(data, res, size, align);
+ start = pcmcia_common_align(data, res, size, align);
}
/*
* If we failed to find something suitable, ensure we fail.
*/
if (m == data->map)
- res->start = res->end;
+ start = res->end;
+
+ return start;
}
/*
struct socket_data *s_data = s->resource_data;
int ret = -ENOMEM;
- mutex_lock(&rsrc_mutex);
for (m = s_data->io_db.next; m != &s_data->io_db; m = m->next) {
unsigned long start = m->base;
unsigned long end = m->base + m->num - 1;
ret = adjust_resource(res, r_start, r_end - r_start + 1);
break;
}
- mutex_unlock(&rsrc_mutex);
return ret;
}
data.offset = base & data.mask;
data.map = &s_data->io_db;
- mutex_lock(&rsrc_mutex);
#ifdef CONFIG_PCI
if (s->cb_dev) {
ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num, 1,
#endif
ret = allocate_resource(&ioport_resource, res, num, min, ~0UL,
1, pcmcia_align, &data);
- mutex_unlock(&rsrc_mutex);
if (ret != 0) {
kfree(res);
struct socket_data *s_data = s->resource_data;
struct pcmcia_align_data data;
unsigned long min, max;
- int ret, i;
+ int ret, i, j;
low = low || !(s->features & SS_CAP_PAGE_REGS);
data.mask = align - 1;
data.offset = base & data.mask;
- data.map = &s_data->mem_db;
for (i = 0; i < 2; i++) {
+ data.map = &s_data->mem_db_valid;
if (low) {
max = 0x100000UL;
min = base < max ? base : 0;
min = 0x100000UL + base;
}
- mutex_lock(&rsrc_mutex);
+ for (j = 0; j < 2; j++) {
#ifdef CONFIG_PCI
- if (s->cb_dev) {
- ret = pci_bus_alloc_resource(s->cb_dev->bus, res, num,
- 1, min, 0,
- pcmcia_align, &data);
- } else
+ if (s->cb_dev) {
+ ret = pci_bus_alloc_resource(s->cb_dev->bus,
+ res, num, 1, min, 0,
+ pcmcia_align, &data);
+ } else
#endif
- ret = allocate_resource(&iomem_resource, res, num, min,
- max, 1, pcmcia_align, &data);
- mutex_unlock(&rsrc_mutex);
+ {
+ ret = allocate_resource(&iomem_resource,
+ res, num, min, max, 1,
+ pcmcia_align, &data);
+ }
+ if (ret == 0)
+ break;
+ data.map = &s_data->mem_db;
+ }
if (ret == 0 || low)
break;
low = 1;
if (end < start)
return -EINVAL;
- mutex_lock(&rsrc_mutex);
switch (action) {
case ADD_MANAGED_RESOURCE:
ret = add_interval(&data->mem_db, start, size);
default:
ret = -EINVAL;
}
- mutex_unlock(&rsrc_mutex);
return ret;
}
if (end > IO_SPACE_LIMIT)
return -EINVAL;
- mutex_lock(&rsrc_mutex);
switch (action) {
case ADD_MANAGED_RESOURCE:
if (add_interval(&data->io_db, start, size) != 0) {
ret = -EINVAL;
break;
}
- mutex_unlock(&rsrc_mutex);
return ret;
}
return -EINVAL;
#endif
- for (i = 0; i < PCI_BUS_NUM_RESOURCES; i++) {
- res = s->cb_dev->bus->resource[i];
+ pci_bus_for_each_resource(s->cb_dev->bus, res, i) {
if (!res)
continue;
return -ENOMEM;
data->mem_db.next = &data->mem_db;
+ data->mem_db_valid.next = &data->mem_db_valid;
data->io_db.next = &data->io_db;
s->resource_data = (void *) data;
struct socket_data *data = s->resource_data;
struct resource_map *p, *q;
- mutex_lock(&rsrc_mutex);
+ for (p = data->mem_db_valid.next; p != &data->mem_db_valid; p = q) {
+ q = p->next;
+ kfree(p);
+ }
for (p = data->mem_db.next; p != &data->mem_db; p = q) {
q = p->next;
kfree(p);
q = p->next;
kfree(p);
}
- mutex_unlock(&rsrc_mutex);
}
struct resource_map *p;
ssize_t ret = 0;
- mutex_lock(&rsrc_mutex);
+ mutex_lock(&s->ops_mutex);
data = s->resource_data;
for (p = data->io_db.next; p != &data->io_db; p = p->next) {
((unsigned long) p->base + p->num - 1));
}
- mutex_unlock(&rsrc_mutex);
+ mutex_unlock(&s->ops_mutex);
return ret;
}
if (end_addr < start_addr)
return -EINVAL;
+ mutex_lock(&s->ops_mutex);
ret = adjust_io(s, add, start_addr, end_addr);
if (!ret)
s->resource_setup_new = 1;
+ mutex_unlock(&s->ops_mutex);
return ret ? ret : count;
}
struct resource_map *p;
ssize_t ret = 0;
- mutex_lock(&rsrc_mutex);
+ mutex_lock(&s->ops_mutex);
data = s->resource_data;
+ for (p = data->mem_db_valid.next; p != &data->mem_db_valid;
+ p = p->next) {
+ if (ret > (PAGE_SIZE - 10))
+ continue;
+ ret += snprintf(&buf[ret], (PAGE_SIZE - ret - 1),
+ "0x%08lx - 0x%08lx\n",
+ ((unsigned long) p->base),
+ ((unsigned long) p->base + p->num - 1));
+ }
+
for (p = data->mem_db.next; p != &data->mem_db; p = p->next) {
if (ret > (PAGE_SIZE - 10))
continue;
((unsigned long) p->base + p->num - 1));
}
- mutex_unlock(&rsrc_mutex);
+ mutex_unlock(&s->ops_mutex);
return ret;
}
if (end_addr < start_addr)
return -EINVAL;
+ mutex_lock(&s->ops_mutex);
ret = adjust_memory(s, add, start_addr, end_addr);
if (!ret)
s->resource_setup_new = 1;
+ mutex_unlock(&s->ops_mutex);
return ret ? ret : count;
}
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff