Staging: sep: Try and get kernel address and user address types right
We will need to tackle this in order to begin doing something about the bus handled and shared memory object mess. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Cox
Greg Kroah-Hartman
parent
3b66bb651e
commit
790cf1b912
2 changed files with 72 additions and 64 deletions
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@ -38,19 +38,19 @@ struct sep_device {
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void __iomem *io_addr;
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/* restricted access region */
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unsigned long rar_bus;
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dma_addr_t rar_bus;
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void *rar_addr;
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/* shared memory region */
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unsigned long shared_bus;
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dma_addr_t shared_bus;
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void *shared_addr;
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/* firmware regions */
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unsigned long cache_bus;
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dma_addr_t cache_bus;
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unsigned long cache_size;
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void *cache_addr;
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unsigned long resident_bus;
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dma_addr_t resident_bus;
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unsigned long resident_size;
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void *resident_addr;
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@ -87,12 +87,12 @@ struct sep_device {
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struct workqueue_struct *flow_wq;
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/* address of the shared memory allocated during init for SEP driver */
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unsigned long shared_area;
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void *shared_area;
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/* the physical address of the shared area */
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unsigned long shared_area_bus;
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dma_addr_t shared_area_bus;
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/* Message Shared Area start address - will be allocated during init */
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unsigned long message_shared_area_addr;
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void *message_shared_area_addr;
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};
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static struct sep_device *sep_dev;
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@ -184,8 +184,8 @@ static int sep_copy_cache_resident_to_area(struct sep_device *sep,
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unsigned long *dst_new_cache_addr_ptr,
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unsigned long *dst_new_resident_addr_ptr)
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{
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unsigned long resident_addr;
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unsigned long cache_addr;
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void *resident_addr;
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void *cache_addr;
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const struct firmware *fw;
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char *cache_name = "cache.image.bin";
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@ -200,7 +200,7 @@ static int sep_copy_cache_resident_to_area(struct sep_device *sep,
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error = 0;
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edbg("SEP Driver:rar_virtual is %p\n", sep->rar_addr);
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edbg("SEP Driver:rar_physical is %08lx\n", sep->rar_bus);
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edbg("SEP Driver:rar_physical is %08llx\n", (unsigned long long)sep->rar_bus);
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sep->rar_region_addr = (unsigned long) sep->rar_addr;
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@ -217,11 +217,11 @@ static int sep_copy_cache_resident_to_area(struct sep_device *sep,
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edbg("SEP Driver:cache data loc is %p\n", (void *) fw->data);
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edbg("SEP Driver:cache data size is %08Zx\n", fw->size);
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memcpy((void *) sep_dev->cache_addr, (void *) fw->data, fw->size);
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memcpy(sep->cache_addr, (void *) fw->data, fw->size);
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sep_dev->cache_size = fw->size;
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sep->cache_size = fw->size;
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cache_addr = (unsigned long) sep_dev->cache_addr;
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cache_addr = sep->cache_addr;
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release_firmware(fw);
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@ -244,16 +244,16 @@ static int sep_copy_cache_resident_to_area(struct sep_device *sep,
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release_firmware(fw);
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resident_addr = (unsigned long) sep->resident_addr;
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resident_addr = sep->resident_addr;
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edbg("SEP Driver:resident_addr (physical )is %08lx\n", sep->resident_bus);
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edbg("SEP Driver:cache_addr (physical) is %08lx\n", sep->cache_bus);
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edbg("SEP Driver:resident_addr (physical )is %08llx\n", (unsigned long long)sep->resident_bus);
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edbg("SEP Driver:cache_addr (physical) is %08llx\n", (unsigned long long)sep->cache_bus);
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edbg("SEP Driver:resident_addr (logical )is %08lx\n", resident_addr);
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edbg("SEP Driver:cache_addr (logical) is %08lx\n", cache_addr);
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edbg("SEP Driver:resident_addr (logical )is %p\n", resident_addr);
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edbg("SEP Driver:cache_addr (logical) is %08llx\n", (unsigned long long)cache_addr);
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edbg("SEP Driver:resident_size is %08lx\n", sep->resident_size);
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edbg("SEP Driver:cache_size is %08lx\n", sep->cache_size);
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edbg("SEP Driver:cache_size is %08llx\n", (unsigned long long)sep->cache_size);
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@ -286,12 +286,12 @@ static int sep_map_and_alloc_shared_area(struct sep_device *sep,
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/* FIXME */
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sep->shared_bus = __pa(sep->shared_addr);
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/* shared_bus = 0xda00000; */
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sep->shared_area = (unsigned long)sep->shared_addr;
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sep->shared_area = sep->shared_addr;
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/* set the physical address of the shared area */
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sep->shared_area_bus = sep->shared_bus;
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edbg("SEP Driver:shared_addr is %p\n", sep->shared_addr);
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edbg("SEP Driver:shared_region_size is %08lx\n", shared_area_size);
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edbg("SEP Driver:shared_physical_addr is %08lx\n", sep->shared_bus);
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edbg("SEP Driver:shared_physical_addr is %08llx\n", (unsigned long long)sep->shared_bus);
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return 0;
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}
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@ -306,7 +306,7 @@ static int sep_map_and_alloc_shared_area(struct sep_device *sep,
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*/
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static void sep_unmap_and_free_shared_area(struct sep_device *sep, int size)
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{
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kfree((void *)sep->shared_area);
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kfree(sep->shared_area);
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}
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/*
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@ -315,13 +315,13 @@ static void sep_unmap_and_free_shared_area(struct sep_device *sep, int size)
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(ioremapped), or on the system RAM
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This implementation is for the external RAM
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*/
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static unsigned long sep_shared_area_virt_to_phys(struct sep_device *sep,
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unsigned long virt_address)
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static dma_addr_t sep_shared_area_virt_to_phys(struct sep_device *sep,
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void *virt_address)
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{
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edbg("SEP Driver:sh virt to phys v %08lx\n", virt_address);
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edbg("SEP Driver:sh virt to phys p %08lx\n", sep->shared_bus + (virt_address - (unsigned long) sep->shared_addr));
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edbg("SEP Driver:sh virt to phys v %p\n", virt_address);
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edbg("SEP Driver:sh virt to phys p %08llx\n", (unsigned long long) sep->shared_bus + (virt_address - sep->shared_addr));
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return (unsigned long) sep->shared_bus + (virt_address - (unsigned long) sep->shared_addr);
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return sep->shared_bus + (virt_address - sep->shared_addr);
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}
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/*
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@ -330,10 +330,10 @@ static unsigned long sep_shared_area_virt_to_phys(struct sep_device *sep,
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externa RAM device (ioremapped), or on the system RAM This implementation
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is for the external RAM
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*/
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static unsigned long sep_shared_area_phys_to_virt(struct sep_device *sep,
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unsigned long phys_address)
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static void *sep_shared_area_phys_to_virt(struct sep_device *sep,
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dma_addr_t phys_address)
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{
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return (unsigned long) sep->shared_addr + (phys_address - sep->shared_bus);
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return sep->shared_addr + (phys_address - sep->shared_bus);
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}
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@ -405,7 +405,7 @@ static int sep_release(struct inode *inode_ptr, struct file *filp)
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-----------------------------------------------------------------*/
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static int sep_mmap(struct file *filp, struct vm_area_struct *vma)
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{
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unsigned long phys_addr;
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dma_addr_t phys_addr;
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struct sep_device *sep = filp->private_data;
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dbg("-------->SEP Driver: mmap start\n");
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@ -421,12 +421,12 @@ static int sep_mmap(struct file *filp, struct vm_area_struct *vma)
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return -EAGAIN;
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}
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edbg("SEP Driver:sep->message_shared_area_addr is %08lx\n", sep->message_shared_area_addr);
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edbg("SEP Driver:sep->message_shared_area_addr is %p\n", sep->message_shared_area_addr);
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/* get physical address */
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phys_addr = sep->shared_area_bus;
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edbg("SEP Driver: phys_addr is %08lx\n", phys_addr);
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edbg("SEP Driver: phys_addr is %08llx\n", (unsigned long long)phys_addr);
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if (remap_pfn_range(vma, vma->vm_start, phys_addr >> PAGE_SHIFT, vma->vm_end - vma->vm_start, vma->vm_page_prot)) {
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edbg("SEP Driver remap_page_range failed\n");
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@ -503,7 +503,7 @@ static int sep_set_time(struct sep_device *sep, unsigned long *address_ptr, unsi
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{
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struct timeval time;
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/* address of time in the kernel */
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unsigned long time_addr;
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u32 *time_addr;
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dbg("SEP Driver:--------> sep_set_time start\n");
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@ -513,12 +513,12 @@ static int sep_set_time(struct sep_device *sep, unsigned long *address_ptr, unsi
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/* set value in the SYSTEM MEMORY offset */
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time_addr = sep->message_shared_area_addr + SEP_DRIVER_SYSTEM_TIME_MEMORY_OFFSET_IN_BYTES;
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*(unsigned long *) time_addr = SEP_TIME_VAL_TOKEN;
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*(unsigned long *) (time_addr + 4) = time.tv_sec;
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time_addr[0] = SEP_TIME_VAL_TOKEN;
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time_addr[1] = time.tv_sec;
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edbg("SEP Driver:time.tv_sec is %lu\n", time.tv_sec);
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edbg("SEP Driver:time_addr is %lu\n", time_addr);
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edbg("SEP Driver:sep->message_shared_area_addr is %lu\n", sep->message_shared_area_addr);
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edbg("SEP Driver:time_addr is %p\n", time_addr);
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edbg("SEP Driver:sep->message_shared_area_addr is %p\n", sep->message_shared_area_addr);
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/* set the output parameters if needed */
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if (address_ptr)
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@ -630,10 +630,11 @@ static int sep_allocate_data_pool_memory_handler(struct sep_device *sep,
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static int sep_write_into_data_pool_handler(struct sep_device *sep, unsigned long arg)
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{
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int error;
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unsigned long virt_address;
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void *virt_address;
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unsigned long va;
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unsigned long app_in_address;
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unsigned long num_bytes;
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unsigned long data_pool_area_addr;
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void *data_pool_area_addr;
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dbg("SEP Driver:--------> sep_write_into_data_pool_handler start\n");
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@ -643,9 +644,10 @@ static int sep_write_into_data_pool_handler(struct sep_device *sep, unsigned lon
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goto end_function;
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/* get the virtual kernel address address */
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error = get_user(virt_address, &(((struct sep_driver_write_t *) arg)->datapool_address));
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error = get_user(va, &(((struct sep_driver_write_t *) arg)->datapool_address));
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if (error)
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goto end_function;
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virt_address = (void *)va;
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/* get the number of bytes */
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error = get_user(num_bytes, &(((struct sep_driver_write_t *) arg)->num_bytes));
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@ -663,7 +665,7 @@ static int sep_write_into_data_pool_handler(struct sep_device *sep, unsigned lon
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goto end_function;
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}
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/* copy the application data */
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error = copy_from_user((void *) virt_address, (void *) app_in_address, num_bytes);
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error = copy_from_user(virt_address, (void *) app_in_address, num_bytes);
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end_function:
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dbg("SEP Driver:<-------- sep_write_into_data_pool_handler end\n");
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return error;
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@ -678,9 +680,10 @@ static int sep_read_from_data_pool_handler(struct sep_device *sep, unsigned long
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/* virtual address of dest application buffer */
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unsigned long app_out_address;
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/* virtual address of the data pool */
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unsigned long virt_address;
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unsigned long va;
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void *virt_address;
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unsigned long num_bytes;
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unsigned long data_pool_area_addr;
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void *data_pool_area_addr;
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dbg("SEP Driver:--------> sep_read_from_data_pool_handler start\n");
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@ -690,9 +693,10 @@ static int sep_read_from_data_pool_handler(struct sep_device *sep, unsigned long
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goto end_function;
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/* get the virtual kernel address address */
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error = get_user(virt_address, &(((struct sep_driver_write_t *) arg)->datapool_address));
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error = get_user(va, &(((struct sep_driver_write_t *) arg)->datapool_address));
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if (error)
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goto end_function;
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virt_address = (void *)va;
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/* get the number of bytes */
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error = get_user(num_bytes, &(((struct sep_driver_write_t *) arg)->num_bytes));
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@ -711,7 +715,7 @@ static int sep_read_from_data_pool_handler(struct sep_device *sep, unsigned long
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}
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/* copy the application data */
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error = copy_to_user((void *) app_out_address, (void *) virt_address, num_bytes);
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error = copy_to_user((void *) app_out_address, virt_address, num_bytes);
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end_function:
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dbg("SEP Driver:<-------- sep_read_from_data_pool_handler end\n");
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return error;
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@ -1129,7 +1133,7 @@ static int sep_prepare_input_dma_table(struct sep_device *sep,
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/* number of entries in lli table */
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unsigned long num_entries_in_table;
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/* next table address */
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unsigned long lli_table_alloc_addr;
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void *lli_table_alloc_addr;
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unsigned long result;
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dbg("SEP Driver:--------> sep_prepare_input_dma_table start\n");
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@ -1144,7 +1148,8 @@ static int sep_prepare_input_dma_table(struct sep_device *sep,
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if (data_size == 0) {
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/* special case - created 2 entries table with zero data */
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in_lli_table_ptr = (struct sep_lli_entry_t *) (sep->shared_area + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES);
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in_lli_table_ptr->physical_address = sep->shared_area + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
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/* FIXME: Should the entry below not be for _bus */
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in_lli_table_ptr->physical_address = (unsigned long)sep->shared_area + SEP_DRIVER_SYNCHRONIC_DMA_TABLES_AREA_OFFSET_IN_BYTES;
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in_lli_table_ptr->block_size = 0;
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in_lli_table_ptr++;
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@ -1198,14 +1203,14 @@ static int sep_prepare_input_dma_table(struct sep_device *sep,
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if (info_entry_ptr == 0) {
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/* set the output parameters to physical addresses */
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*lli_table_ptr = sep_shared_area_virt_to_phys(sep, (unsigned long) in_lli_table_ptr);
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*lli_table_ptr = sep_shared_area_virt_to_phys(sep, in_lli_table_ptr);
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*num_entries_ptr = num_entries_in_table;
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*table_data_size_ptr = table_data_size;
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edbg("SEP Driver:output lli_table_in_ptr is %08lx\n", *lli_table_ptr);
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} else {
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/* update the info entry of the previous in table */
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info_entry_ptr->physical_address = sep_shared_area_virt_to_phys(sep, (unsigned long) in_lli_table_ptr);
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info_entry_ptr->physical_address = sep_shared_area_virt_to_phys(sep, in_lli_table_ptr);
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info_entry_ptr->block_size = ((num_entries_in_table) << 24) | (table_data_size);
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}
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@ -1236,8 +1241,9 @@ static int sep_construct_dma_tables_from_lli(struct sep_device *sep,
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unsigned long sep_out_lli_entries,
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unsigned long block_size, unsigned long *lli_table_in_ptr, unsigned long *lli_table_out_ptr, unsigned long *in_num_entries_ptr, unsigned long *out_num_entries_ptr, unsigned long *table_data_size_ptr)
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{
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/* points to the area where next lli table can be allocated */
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unsigned long lli_table_alloc_addr;
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/* points to the area where next lli table can be allocated: keep void *
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as there is pointer scaling to fix otherwise */
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void *lli_table_alloc_addr;
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/* input lli table */
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struct sep_lli_entry_t *in_lli_table_ptr;
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/* output lli table */
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@ -1314,9 +1320,9 @@ static int sep_construct_dma_tables_from_lli(struct sep_device *sep,
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/* if info entry is null - this is the first table built */
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if (info_in_entry_ptr == 0) {
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/* set the output parameters to physical addresses */
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*lli_table_in_ptr = sep_shared_area_virt_to_phys(sep, (unsigned long) in_lli_table_ptr);
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*lli_table_in_ptr = sep_shared_area_virt_to_phys(sep, in_lli_table_ptr);
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*in_num_entries_ptr = num_entries_in_table;
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*lli_table_out_ptr = sep_shared_area_virt_to_phys(sep, (unsigned long) out_lli_table_ptr);
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*lli_table_out_ptr = sep_shared_area_virt_to_phys(sep, out_lli_table_ptr);
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*out_num_entries_ptr = num_entries_out_table;
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*table_data_size_ptr = table_data_size;
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@ -1324,11 +1330,11 @@ static int sep_construct_dma_tables_from_lli(struct sep_device *sep,
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edbg("SEP Driver:output lli_table_out_ptr is %08lx\n", *lli_table_out_ptr);
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} else {
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/* update the info entry of the previous in table */
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info_in_entry_ptr->physical_address = sep_shared_area_virt_to_phys(sep, (unsigned long) in_lli_table_ptr);
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info_in_entry_ptr->physical_address = sep_shared_area_virt_to_phys(sep, in_lli_table_ptr);
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info_in_entry_ptr->block_size = ((num_entries_in_table) << 24) | (table_data_size);
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/* update the info entry of the previous in table */
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info_out_entry_ptr->physical_address = sep_shared_area_virt_to_phys(sep, (unsigned long) out_lli_table_ptr);
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info_out_entry_ptr->physical_address = sep_shared_area_virt_to_phys(sep, out_lli_table_ptr);
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info_out_entry_ptr->block_size = ((num_entries_out_table) << 24) | (table_data_size);
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}
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@ -1512,8 +1518,10 @@ static int sep_find_free_flow_dma_table_space(struct sep_device *sep,
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int error = 0;
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/* pointer to the id field of the flow dma table */
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unsigned long *start_table_ptr;
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unsigned long flow_dma_area_start_addr;
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unsigned long flow_dma_area_end_addr;
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/* Do not make start_addr unsigned long * unless fixing the offset
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computations ! */
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void *flow_dma_area_start_addr;
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unsigned long *flow_dma_area_end_addr;
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/* maximum table size in words */
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||||
unsigned long table_size_in_words;
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||||
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||||
|
|
@ -1527,14 +1535,14 @@ static int sep_find_free_flow_dma_table_space(struct sep_device *sep,
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|||
table_size_in_words = SEP_DRIVER_MAX_FLOW_NUM_ENTRIES_IN_TABLE * (sizeof(struct sep_lli_entry_t) / sizeof(long)) + 2;
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||||
|
||||
/* set the pointer to the start address of DMA area */
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||||
start_table_ptr = (unsigned long *) flow_dma_area_start_addr;
|
||||
start_table_ptr = flow_dma_area_start_addr;
|
||||
|
||||
/* find the space for the next table */
|
||||
while (((*start_table_ptr & 0x7FFFFFFF) != 0) && ((unsigned long) start_table_ptr < flow_dma_area_end_addr))
|
||||
while (((*start_table_ptr & 0x7FFFFFFF) != 0) && start_table_ptr < flow_dma_area_end_addr)
|
||||
start_table_ptr += table_size_in_words;
|
||||
|
||||
/* check if we reached the end of floa tables area */
|
||||
if ((unsigned long) start_table_ptr >= flow_dma_area_end_addr)
|
||||
if (start_table_ptr >= flow_dma_area_end_addr)
|
||||
error = -1;
|
||||
else
|
||||
*table_address_ptr = start_table_ptr;
|
||||
|
|
@ -1983,7 +1991,7 @@ static int sep_get_static_pool_addr_handler(struct sep_device *sep, unsigned lon
|
|||
|
||||
/*prepare the output parameters in the struct */
|
||||
command_args.physical_static_address = sep->shared_area_bus + SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES;
|
||||
command_args.virtual_static_address = sep->shared_area + SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES;
|
||||
command_args.virtual_static_address = (unsigned long)sep->shared_area + SEP_DRIVER_STATIC_AREA_OFFSET_IN_BYTES;
|
||||
|
||||
edbg("SEP Driver:physical_static_address is %08lx, virtual_static_address %08lx\n", command_args.physical_static_address, command_args.virtual_static_address);
|
||||
|
||||
|
|
@ -2508,7 +2516,7 @@ static int __devinit sep_probe(struct pci_dev *pdev, const struct pci_device_id
|
|||
/* now set the memory regions */
|
||||
sep->message_shared_area_addr = sep->shared_area;
|
||||
|
||||
edbg("SEP Driver: sep->message_shared_area_addr is %08lx\n", sep->message_shared_area_addr);
|
||||
edbg("SEP Driver: sep->message_shared_area_addr is %p\n", sep->message_shared_area_addr);
|
||||
|
||||
#if (SEP_DRIVER_RECONFIG_MESSAGE_AREA == 1)
|
||||
/* send the new SHARED MESSAGE AREA to the SEP */
|
||||
|
|
@ -2584,7 +2592,7 @@ static int __devinit sep_probe(struct pci_dev *pdev, const struct pci_device_id
|
|||
/* FIXME */
|
||||
sep->rar_bus = __pa(sep->rar_addr);
|
||||
|
||||
edbg("SEP Driver:rar_physical is %08lx\n", sep->rar_bus);
|
||||
edbg("SEP Driver:rar_physical is %08llx\n", (unsigned long long)sep->rar_bus);
|
||||
edbg("SEP Driver:rar_virtual is %p\n", sep->rar_addr);
|
||||
|
||||
#if !SEP_DRIVER_POLLING_MODE
|
||||
|
|
|
|||
Loading…
Reference in a new issue