struct list_head node;
struct mport_dev *md;
enum rio_mport_map_dir dir;
- u32 rioid;
+ u16 rioid;
u64 rio_addr;
dma_addr_t phys_addr; /* for mmap */
void *virt_addr; /* kernel address, for dma_free_coherent */
struct rio_mport_dma_map {
int valid;
- uint64_t length;
+ u64 length;
void *vaddr;
dma_addr_t paddr;
};
struct kfifo event_fifo;
wait_queue_head_t event_rx_wait;
spinlock_t fifo_lock;
- unsigned int event_mask; /* RIO_DOORBELL, RIO_PORTWRITE */
+ u32 event_mask; /* RIO_DOORBELL, RIO_PORTWRITE */
#ifdef CONFIG_RAPIDIO_DMA_ENGINE
struct dma_chan *dmach;
struct list_head async_list;
return -EFAULT;
if ((maint_io.offset % 4) ||
- (maint_io.length == 0) || (maint_io.length % 4))
+ (maint_io.length == 0) || (maint_io.length % 4) ||
+ (maint_io.length + maint_io.offset) > RIO_MAINT_SPACE_SZ)
return -EINVAL;
buffer = vmalloc(maint_io.length);
offset += 4;
}
- if (unlikely(copy_to_user(maint_io.buffer, buffer, maint_io.length)))
+ if (unlikely(copy_to_user((void __user *)(uintptr_t)maint_io.buffer,
+ buffer, maint_io.length)))
ret = -EFAULT;
out:
vfree(buffer);
return -EFAULT;
if ((maint_io.offset % 4) ||
- (maint_io.length == 0) || (maint_io.length % 4))
+ (maint_io.length == 0) || (maint_io.length % 4) ||
+ (maint_io.length + maint_io.offset) > RIO_MAINT_SPACE_SZ)
return -EINVAL;
buffer = vmalloc(maint_io.length);
return -ENOMEM;
length = maint_io.length;
- if (unlikely(copy_from_user(buffer, maint_io.buffer, length))) {
+ if (unlikely(copy_from_user(buffer,
+ (void __user *)(uintptr_t)maint_io.buffer, length))) {
ret = -EFAULT;
goto out;
}
*/
static int
rio_mport_create_outbound_mapping(struct mport_dev *md, struct file *filp,
- u32 rioid, u64 raddr, u32 size,
+ u16 rioid, u64 raddr, u32 size,
dma_addr_t *paddr)
{
struct rio_mport *mport = md->mport;
rmcd_debug(OBW, "did=%d ra=0x%llx sz=0x%x", rioid, raddr, size);
- map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL);
+ map = kzalloc(sizeof(*map), GFP_KERNEL);
if (map == NULL)
return -ENOMEM;
static int
rio_mport_get_outbound_mapping(struct mport_dev *md, struct file *filp,
- u32 rioid, u64 raddr, u32 size,
+ u16 rioid, u64 raddr, u32 size,
dma_addr_t *paddr)
{
struct rio_mport_mapping *map;
dma_addr_t paddr;
int ret;
- if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_mmap))))
+ if (unlikely(copy_from_user(&map, arg, sizeof(map))))
return -EFAULT;
rmcd_debug(OBW, "did=%d ra=0x%llx sz=0x%llx",
map.handle = paddr;
- if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_mmap))))
+ if (unlikely(copy_to_user(arg, &map, sizeof(map))))
return -EFAULT;
return 0;
}
if (!md->mport->ops->unmap_outb)
return -EPROTONOSUPPORT;
- if (copy_from_user(&handle, arg, sizeof(u64)))
+ if (copy_from_user(&handle, arg, sizeof(handle)))
return -EFAULT;
rmcd_debug(OBW, "h=0x%llx", handle);
static int maint_hdid_set(struct mport_cdev_priv *priv, void __user *arg)
{
struct mport_dev *md = priv->md;
- uint16_t hdid;
+ u16 hdid;
- if (copy_from_user(&hdid, arg, sizeof(uint16_t)))
+ if (copy_from_user(&hdid, arg, sizeof(hdid)))
return -EFAULT;
md->mport->host_deviceid = hdid;
static int maint_comptag_set(struct mport_cdev_priv *priv, void __user *arg)
{
struct mport_dev *md = priv->md;
- uint32_t comptag;
+ u32 comptag;
- if (copy_from_user(&comptag, arg, sizeof(uint32_t)))
+ if (copy_from_user(&comptag, arg, sizeof(comptag)))
return -EFAULT;
rio_local_write_config_32(md->mport, RIO_COMPONENT_TAG_CSR, comptag);
* @xfer: data transfer descriptor structure
*/
static int
-rio_dma_transfer(struct file *filp, uint32_t transfer_mode,
+rio_dma_transfer(struct file *filp, u32 transfer_mode,
enum rio_transfer_sync sync, enum dma_data_direction dir,
struct rio_transfer_io *xfer)
{
unsigned long offset;
long pinned;
- offset = (unsigned long)xfer->loc_addr & ~PAGE_MASK;
+ offset = (unsigned long)(uintptr_t)xfer->loc_addr & ~PAGE_MASK;
nr_pages = PAGE_ALIGN(xfer->length + offset) >> PAGE_SHIFT;
page_list = kmalloc_array(nr_pages,
if (unlikely(copy_from_user(&transaction, arg, sizeof(transaction))))
return -EFAULT;
- if (transaction.count != 1)
+ if (transaction.count != 1) /* only single transfer for now */
return -EINVAL;
if ((transaction.transfer_mode &
priv->md->properties.transfer_mode) == 0)
return -ENODEV;
- transfer = vmalloc(transaction.count * sizeof(struct rio_transfer_io));
+ transfer = vmalloc(transaction.count * sizeof(*transfer));
if (!transfer)
return -ENOMEM;
- if (unlikely(copy_from_user(transfer, transaction.block,
- transaction.count * sizeof(struct rio_transfer_io)))) {
+ if (unlikely(copy_from_user(transfer,
+ (void __user *)(uintptr_t)transaction.block,
+ transaction.count * sizeof(*transfer)))) {
ret = -EFAULT;
goto out_free;
}
ret = rio_dma_transfer(filp, transaction.transfer_mode,
transaction.sync, dir, &transfer[i]);
- if (unlikely(copy_to_user(transaction.block, transfer,
- transaction.count * sizeof(struct rio_transfer_io))))
+ if (unlikely(copy_to_user((void __user *)(uintptr_t)transaction.block,
+ transfer,
+ transaction.count * sizeof(*transfer))))
ret = -EFAULT;
out_free:
}
static int rio_mport_create_dma_mapping(struct mport_dev *md, struct file *filp,
- uint64_t size, struct rio_mport_mapping **mapping)
+ u64 size, struct rio_mport_mapping **mapping)
{
struct rio_mport_mapping *map;
- map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL);
+ map = kzalloc(sizeof(*map), GFP_KERNEL);
if (map == NULL)
return -ENOMEM;
struct rio_mport_mapping *mapping = NULL;
int ret;
- if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_dma_mem))))
+ if (unlikely(copy_from_user(&map, arg, sizeof(map))))
return -EFAULT;
ret = rio_mport_create_dma_mapping(md, filp, map.length, &mapping);
map.dma_handle = mapping->phys_addr;
- if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_dma_mem)))) {
+ if (unlikely(copy_to_user(arg, &map, sizeof(map)))) {
mutex_lock(&md->buf_mutex);
kref_put(&mapping->ref, mport_release_mapping);
mutex_unlock(&md->buf_mutex);
int ret = -EFAULT;
struct rio_mport_mapping *map, *_map;
- if (copy_from_user(&handle, arg, sizeof(u64)))
+ if (copy_from_user(&handle, arg, sizeof(handle)))
return -EFAULT;
rmcd_debug(EXIT, "filp=%p", filp);
static int
rio_mport_create_inbound_mapping(struct mport_dev *md, struct file *filp,
- u64 raddr, u32 size,
+ u64 raddr, u64 size,
struct rio_mport_mapping **mapping)
{
struct rio_mport *mport = md->mport;
struct rio_mport_mapping *map;
int ret;
- map = kzalloc(sizeof(struct rio_mport_mapping), GFP_KERNEL);
+ /* rio_map_inb_region() accepts u32 size */
+ if (size > 0xffffffff)
+ return -EINVAL;
+
+ map = kzalloc(sizeof(*map), GFP_KERNEL);
if (map == NULL)
return -ENOMEM;
if (raddr == RIO_MAP_ANY_ADDR)
raddr = map->phys_addr;
- ret = rio_map_inb_region(mport, map->phys_addr, raddr, size, 0);
+ ret = rio_map_inb_region(mport, map->phys_addr, raddr, (u32)size, 0);
if (ret < 0)
goto err_map_inb;
static int
rio_mport_get_inbound_mapping(struct mport_dev *md, struct file *filp,
- u64 raddr, u32 size,
+ u64 raddr, u64 size,
struct rio_mport_mapping **mapping)
{
struct rio_mport_mapping *map;
if (!md->mport->ops->map_inb)
return -EPROTONOSUPPORT;
- if (unlikely(copy_from_user(&map, arg, sizeof(struct rio_mmap))))
+ if (unlikely(copy_from_user(&map, arg, sizeof(map))))
return -EFAULT;
rmcd_debug(IBW, "%s filp=%p", dev_name(&priv->md->dev), filp);
map.handle = mapping->phys_addr;
map.rio_addr = mapping->rio_addr;
- if (unlikely(copy_to_user(arg, &map, sizeof(struct rio_mmap)))) {
+ if (unlikely(copy_to_user(arg, &map, sizeof(map)))) {
/* Delete mapping if it was created by this request */
if (ret == 0 && mapping->filp == filp) {
mutex_lock(&md->buf_mutex);
if (!md->mport->ops->unmap_inb)
return -EPROTONOSUPPORT;
- if (copy_from_user(&handle, arg, sizeof(u64)))
+ if (copy_from_user(&handle, arg, sizeof(handle)))
return -EFAULT;
mutex_lock(&md->buf_mutex);
static int maint_port_idx_get(struct mport_cdev_priv *priv, void __user *arg)
{
struct mport_dev *md = priv->md;
- uint32_t port_idx = md->mport->index;
+ u32 port_idx = md->mport->index;
rmcd_debug(MPORT, "port_index=%d", port_idx);
handled = 0;
spin_lock(&data->db_lock);
list_for_each_entry(db_filter, &data->doorbells, data_node) {
- if (((db_filter->filter.rioid == 0xffffffff ||
+ if (((db_filter->filter.rioid == RIO_INVALID_DESTID ||
db_filter->filter.rioid == src)) &&
info >= db_filter->filter.low &&
info <= db_filter->filter.high) {
if (copy_from_user(&filter, arg, sizeof(filter)))
return -EFAULT;
+ if (filter.low > filter.high)
+ return -EINVAL;
+
spin_lock_irqsave(&priv->md->db_lock, flags);
list_for_each_entry(db_filter, &priv->db_filters, priv_node) {
if (db_filter->filter.rioid == filter.rioid &&
return -EEXIST;
}
- size = sizeof(struct rio_dev);
+ size = sizeof(*rdev);
mport = md->mport;
- destid = (u16)dev_info.destid;
- hopcount = (u8)dev_info.hopcount;
+ destid = dev_info.destid;
+ hopcount = dev_info.hopcount;
if (rio_mport_read_config_32(mport, destid, hopcount,
RIO_PEF_CAR, &rval))
do {
rdev = rio_get_comptag(dev_info.comptag, rdev);
if (rdev && rdev->dev.parent == &mport->net->dev &&
- rdev->destid == (u16)dev_info.destid &&
- rdev->hopcount == (u8)dev_info.hopcount)
+ rdev->destid == dev_info.destid &&
+ rdev->hopcount == dev_info.hopcount)
break;
} while (rdev);
}
return maint_port_idx_get(data, (void __user *)arg);
case RIO_MPORT_GET_PROPERTIES:
md->properties.hdid = md->mport->host_deviceid;
- if (copy_to_user((void __user *)arg, &(data->md->properties),
- sizeof(data->md->properties)))
+ if (copy_to_user((void __user *)arg, &(md->properties),
+ sizeof(md->properties)))
return -EFAULT;
return 0;
case RIO_ENABLE_DOORBELL_RANGE:
case RIO_DISABLE_PORTWRITE_RANGE:
return rio_mport_remove_pw_filter(data, (void __user *)arg);
case RIO_SET_EVENT_MASK:
- data->event_mask = arg;
+ data->event_mask = (u32)arg;
return 0;
case RIO_GET_EVENT_MASK:
if (copy_to_user((void __user *)arg, &data->event_mask,
- sizeof(data->event_mask)))
+ sizeof(u32)))
return -EFAULT;
return 0;
case RIO_MAP_OUTBOUND:
return -EINVAL;
ret = rio_mport_send_doorbell(mport,
- (u16)event.u.doorbell.rioid,
+ event.u.doorbell.rioid,
event.u.doorbell.payload);
if (ret < 0)
return ret;
struct mport_dev *md;
struct rio_mport_attr attr;
- md = kzalloc(sizeof(struct mport_dev), GFP_KERNEL);
+ md = kzalloc(sizeof(*md), GFP_KERNEL);
if (!md) {
rmcd_error("Unable allocate a device object");
return NULL;
/* The transfer_mode property will be returned through mport query
* interface
*/
-#ifdef CONFIG_PPC /* for now: only on Freescale's SoCs */
+#ifdef CONFIG_FSL_RIO /* for now: only on Freescale's SoCs */
md->properties.transfer_mode |= RIO_TRANSFER_MODE_MAPPED;
#else
md->properties.transfer_mode |= RIO_TRANSFER_MODE_TRANSFER;
#ifndef _RIO_MPORT_CDEV_H_
#define _RIO_MPORT_CDEV_H_
-#ifndef __user
-#define __user
-#endif
+#include <linux/ioctl.h>
+#include <linux/types.h>
struct rio_mport_maint_io {
- uint32_t rioid; /* destID of remote device */
- uint32_t hopcount; /* hopcount to remote device */
- uint32_t offset; /* offset in register space */
- size_t length; /* length in bytes */
- void __user *buffer; /* data buffer */
+ __u16 rioid; /* destID of remote device */
+ __u8 hopcount; /* hopcount to remote device */
+ __u8 pad0[5];
+ __u32 offset; /* offset in register space */
+ __u32 length; /* length in bytes */
+ __u64 buffer; /* pointer to data buffer */
};
/*
#define RIO_CAP_MAP_INB (1 << 7)
struct rio_mport_properties {
- uint16_t hdid;
- uint8_t id; /* Physical port ID */
- uint8_t index;
- uint32_t flags;
- uint32_t sys_size; /* Default addressing size */
- uint8_t port_ok;
- uint8_t link_speed;
- uint8_t link_width;
- uint32_t dma_max_sge;
- uint32_t dma_max_size;
- uint32_t dma_align;
- uint32_t transfer_mode; /* Default transfer mode */
- uint32_t cap_sys_size; /* Capable system sizes */
- uint32_t cap_addr_size; /* Capable addressing sizes */
- uint32_t cap_transfer_mode; /* Capable transfer modes */
- uint32_t cap_mport; /* Mport capabilities */
+ __u16 hdid;
+ __u8 id; /* Physical port ID */
+ __u8 index;
+ __u32 flags;
+ __u32 sys_size; /* Default addressing size */
+ __u8 port_ok;
+ __u8 link_speed;
+ __u8 link_width;
+ __u8 pad0;
+ __u32 dma_max_sge;
+ __u32 dma_max_size;
+ __u32 dma_align;
+ __u32 transfer_mode; /* Default transfer mode */
+ __u32 cap_sys_size; /* Capable system sizes */
+ __u32 cap_addr_size; /* Capable addressing sizes */
+ __u32 cap_transfer_mode; /* Capable transfer modes */
+ __u32 cap_mport; /* Mport capabilities */
};
/*
#define RIO_PORTWRITE (1 << 1)
struct rio_doorbell {
- uint32_t rioid;
- uint16_t payload;
+ __u16 rioid;
+ __u16 payload;
};
struct rio_doorbell_filter {
- uint32_t rioid; /* 0xffffffff to match all ids */
- uint16_t low;
- uint16_t high;
+ __u16 rioid; /* Use RIO_INVALID_DESTID to match all ids */
+ __u16 low;
+ __u16 high;
+ __u16 pad0;
};
struct rio_portwrite {
- uint32_t payload[16];
+ __u32 payload[16];
};
struct rio_pw_filter {
- uint32_t mask;
- uint32_t low;
- uint32_t high;
+ __u32 mask;
+ __u32 low;
+ __u32 high;
+ __u32 pad0;
};
/* RapidIO base address for inbound requests set to value defined below
* indicates that no specific RIO-to-local address translation is requested
* and driver should use direct (one-to-one) address mapping.
*/
-#define RIO_MAP_ANY_ADDR (uint64_t)(~((uint64_t) 0))
+#define RIO_MAP_ANY_ADDR (__u64)(~((__u64) 0))
struct rio_mmap {
- uint32_t rioid;
- uint64_t rio_addr;
- uint64_t length;
- uint64_t handle;
- void *address;
+ __u16 rioid;
+ __u16 pad0[3];
+ __u64 rio_addr;
+ __u64 length;
+ __u64 handle;
+ __u64 address;
};
struct rio_dma_mem {
- uint64_t length; /* length of DMA memory */
- uint64_t dma_handle; /* handle associated with this memory */
- void *buffer; /* pointer to this memory */
+ __u64 length; /* length of DMA memory */
+ __u64 dma_handle; /* handle associated with this memory */
+ __u64 address;
};
-
struct rio_event {
- unsigned int header; /* event type RIO_DOORBELL or RIO_PORTWRITE */
+ __u32 header; /* event type RIO_DOORBELL or RIO_PORTWRITE */
union {
struct rio_doorbell doorbell; /* header for RIO_DOORBELL */
struct rio_portwrite portwrite; /* header for RIO_PORTWRITE */
} u;
+ __u32 pad0;
};
enum rio_transfer_sync {
};
struct rio_transfer_io {
- uint32_t rioid; /* Target destID */
- uint64_t rio_addr; /* Address in target's RIO mem space */
- enum rio_exchange method; /* Data exchange method */
- void __user *loc_addr;
- uint64_t handle;
- uint64_t offset; /* Offset in buffer */
- uint64_t length; /* Length in bytes */
- uint32_t completion_code; /* Completion code for this transfer */
+ __u64 rio_addr; /* Address in target's RIO mem space */
+ __u64 loc_addr;
+ __u64 handle;
+ __u64 offset; /* Offset in buffer */
+ __u64 length; /* Length in bytes */
+ __u16 rioid; /* Target destID */
+ __u16 method; /* Data exchange method, one of rio_exchange enum */
+ __u32 completion_code; /* Completion code for this transfer */
};
struct rio_transaction {
- uint32_t transfer_mode; /* Data transfer mode */
- enum rio_transfer_sync sync; /* Synchronization method */
- enum rio_transfer_dir dir; /* Transfer direction */
- size_t count; /* Number of transfers */
- struct rio_transfer_io __user *block; /* Array of <count> transfers */
+ __u64 block; /* Pointer to array of <count> transfers */
+ __u32 count; /* Number of transfers */
+ __u32 transfer_mode; /* Data transfer mode */
+ __u16 sync; /* Synch method, one of rio_transfer_sync enum */
+ __u16 dir; /* Transfer direction, one of rio_transfer_dir enum */
+ __u32 pad0;
};
struct rio_async_tx_wait {
- uint32_t token; /* DMA transaction ID token */
- uint32_t timeout; /* Wait timeout in msec, if 0 use default TO */
+ __u32 token; /* DMA transaction ID token */
+ __u32 timeout; /* Wait timeout in msec, if 0 use default TO */
};
#define RIO_MAX_DEVNAME_SZ 20
struct rio_rdev_info {
- uint32_t destid;
- uint8_t hopcount;
- uint32_t comptag;
+ __u16 destid;
+ __u8 hopcount;
+ __u8 pad0;
+ __u32 comptag;
char name[RIO_MAX_DEVNAME_SZ + 1];
};
#define RIO_MPORT_DRV_MAGIC 'm'
#define RIO_MPORT_MAINT_HDID_SET \
- _IOW(RIO_MPORT_DRV_MAGIC, 1, uint16_t)
+ _IOW(RIO_MPORT_DRV_MAGIC, 1, __u16)
#define RIO_MPORT_MAINT_COMPTAG_SET \
- _IOW(RIO_MPORT_DRV_MAGIC, 2, uint32_t)
+ _IOW(RIO_MPORT_DRV_MAGIC, 2, __u32)
#define RIO_MPORT_MAINT_PORT_IDX_GET \
- _IOR(RIO_MPORT_DRV_MAGIC, 3, uint32_t)
+ _IOR(RIO_MPORT_DRV_MAGIC, 3, __u32)
#define RIO_MPORT_GET_PROPERTIES \
_IOR(RIO_MPORT_DRV_MAGIC, 4, struct rio_mport_properties)
#define RIO_MPORT_MAINT_READ_LOCAL \
#define RIO_DISABLE_PORTWRITE_RANGE \
_IOW(RIO_MPORT_DRV_MAGIC, 12, struct rio_pw_filter)
#define RIO_SET_EVENT_MASK \
- _IOW(RIO_MPORT_DRV_MAGIC, 13, unsigned int)
+ _IOW(RIO_MPORT_DRV_MAGIC, 13, __u32)
#define RIO_GET_EVENT_MASK \
- _IOR(RIO_MPORT_DRV_MAGIC, 14, unsigned int)
+ _IOR(RIO_MPORT_DRV_MAGIC, 14, __u32)
#define RIO_MAP_OUTBOUND \
_IOWR(RIO_MPORT_DRV_MAGIC, 15, struct rio_mmap)
#define RIO_UNMAP_OUTBOUND \
#define RIO_MAP_INBOUND \
_IOWR(RIO_MPORT_DRV_MAGIC, 17, struct rio_mmap)
#define RIO_UNMAP_INBOUND \
- _IOW(RIO_MPORT_DRV_MAGIC, 18, uint64_t)
+ _IOW(RIO_MPORT_DRV_MAGIC, 18, __u64)
#define RIO_ALLOC_DMA \
_IOWR(RIO_MPORT_DRV_MAGIC, 19, struct rio_dma_mem)
#define RIO_FREE_DMA \
- _IOW(RIO_MPORT_DRV_MAGIC, 20, uint64_t)
+ _IOW(RIO_MPORT_DRV_MAGIC, 20, __u64)
#define RIO_TRANSFER \
_IOWR(RIO_MPORT_DRV_MAGIC, 21, struct rio_transaction)
#define RIO_WAIT_FOR_ASYNC \
projects / platform / kernel / linux-rpi.git / commitdiff