DL-Mirrors/kernel-tenderloin-3.0
0
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Initial Contribution

Browse Source 
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142

Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
This commit is contained in:
Bryan Huntsman
2011-08-16 17:27:22 -07:00
parent f06154cc47
commit 3f2bc4d6eb
1851 changed files with 780136 additions and 12902 deletions
Download Patch File Download Diff File Expand all files Collapse all files

148
include/linux/android_pmem.h
View File

@@ -16,6 +16,20 @@
#ifndef _ANDROID_PMEM_H_
#define _ANDROID_PMEM_H_
#include <linux/fs.h>
#define PMEM_KERNEL_TEST_MAGIC 0xc0
#define PMEM_KERNEL_TEST_NOMINAL_TEST_IOCTL \
_IO(PMEM_KERNEL_TEST_MAGIC, 1)
#define PMEM_KERNEL_TEST_ADVERSARIAL_TEST_IOCTL \
_IO(PMEM_KERNEL_TEST_MAGIC, 2)
#define PMEM_KERNEL_TEST_HUGE_ALLOCATION_TEST_IOCTL \
_IO(PMEM_KERNEL_TEST_MAGIC, 3)
#define PMEM_KERNEL_TEST_FREE_UNALLOCATED_TEST_IOCTL \
_IO(PMEM_KERNEL_TEST_MAGIC, 4)
#define PMEM_KERNEL_TEST_LARGE_REGION_NUMBER_TEST_IOCTL \
_IO(PMEM_KERNEL_TEST_MAGIC, 5)
#define PMEM_IOCTL_MAGIC 'p'
#define PMEM_GET_PHYS _IOW(PMEM_IOCTL_MAGIC, 1, unsigned int)
#define PMEM_MAP _IOW(PMEM_IOCTL_MAGIC, 2, unsigned int)
@@ -33,61 +47,123 @@
* struct (with offset set to 0).
*/
#define PMEM_GET_TOTAL_SIZE _IOW(PMEM_IOCTL_MAGIC, 7, unsigned int)
#define PMEM_CACHE_FLUSH _IOW(PMEM_IOCTL_MAGIC, 8, unsigned int)
/* Revokes gpu registers and resets the gpu. Pass a pointer to the
* start of the mapped gpu regs (the vaddr returned by mmap) as the argument.
*/
#define HW3D_REVOKE_GPU _IOW(PMEM_IOCTL_MAGIC, 8, unsigned int)
#define HW3D_GRANT_GPU _IOW(PMEM_IOCTL_MAGIC, 9, unsigned int)
#define HW3D_WAIT_FOR_INTERRUPT _IOW(PMEM_IOCTL_MAGIC, 10, unsigned int)
#define PMEM_CLEAN_INV_CACHES _IOW(PMEM_IOCTL_MAGIC, 11, unsigned int)
#define PMEM_CLEAN_CACHES _IOW(PMEM_IOCTL_MAGIC, 12, unsigned int)
#define PMEM_INV_CACHES _IOW(PMEM_IOCTL_MAGIC, 13, unsigned int)
#define PMEM_GET_FREE_SPACE _IOW(PMEM_IOCTL_MAGIC, 14, unsigned int)
#define PMEM_ALLOCATE_ALIGNED _IOW(PMEM_IOCTL_MAGIC, 15, unsigned int)
struct pmem_region {
unsigned long offset;
unsigned long len;
};
struct pmem_addr {
unsigned long vaddr;
unsigned long offset;
unsigned long length;
};
struct pmem_freespace {
unsigned long total;
unsigned long largest;
};
struct pmem_allocation {
unsigned long size;
unsigned int align;
};
#ifdef __KERNEL__
int get_pmem_file(unsigned int fd, unsigned long *start, unsigned long *vstart,
unsigned long *end, struct file **filp);
int get_pmem_fd(int fd, unsigned long *start, unsigned long *end);
int get_pmem_user_addr(struct file *file, unsigned long *start,
unsigned long *end);
void put_pmem_file(struct file* file);
void put_pmem_fd(int fd);
void flush_pmem_fd(int fd, unsigned long start, unsigned long len);
void flush_pmem_file(struct file *file, unsigned long start, unsigned long len);
int pmem_cache_maint(struct file *file, unsigned int cmd,
struct pmem_addr *pmem_addr);
enum pmem_allocator_type {
/* Zero is a default in platform PMEM structures in the board files,
* when the "allocator_type" structure element is not explicitly
* defined
*/
PMEM_ALLOCATORTYPE_BITMAP = 0, /* forced to be zero here */
PMEM_ALLOCATORTYPE_SYSTEM,
PMEM_ALLOCATORTYPE_ALLORNOTHING,
PMEM_ALLOCATORTYPE_BUDDYBESTFIT,
PMEM_ALLOCATORTYPE_MAX,
};
#define PMEM_MEMTYPE_MASK 0x7
#define PMEM_INVALID_MEMTYPE 0x0
#define PMEM_MEMTYPE_EBI1 0x1
#define PMEM_MEMTYPE_SMI 0x2
#define PMEM_MEMTYPE_RESERVED_INVALID2 0x3
#define PMEM_MEMTYPE_RESERVED_INVALID3 0x4
#define PMEM_MEMTYPE_RESERVED_INVALID4 0x5
#define PMEM_MEMTYPE_RESERVED_INVALID5 0x6
#define PMEM_MEMTYPE_RESERVED_INVALID6 0x7
#define PMEM_ALIGNMENT_MASK 0x18
#define PMEM_ALIGNMENT_RESERVED_INVALID1 0x0
#define PMEM_ALIGNMENT_4K 0x8 /* the default */
#define PMEM_ALIGNMENT_1M 0x10
#define PMEM_ALIGNMENT_RESERVED_INVALID2 0x18
/* flags in the following function defined as above. */
int32_t pmem_kalloc(const size_t size, const uint32_t flags);
int32_t pmem_kfree(const int32_t physaddr);
/* kernel api names for board specific data structures */
#define PMEM_KERNEL_EBI1_DATA_NAME "pmem_kernel_ebi1"
#define PMEM_KERNEL_SMI_DATA_NAME "pmem_kernel_smi"
struct android_pmem_platform_data
{
const char* name;
/* starting physical address of memory region */
unsigned long start;
/* size of memory region */
unsigned long size;
/* set to indicate the region should not be managed with an allocator */
unsigned no_allocator;
enum pmem_allocator_type allocator_type;
/* treated as a 'hidden' variable in the board files. Can be
* set, but default is the system init value of 0 which becomes a
* quantum of 4K pages.
*/
unsigned int quantum;
/* set to indicate maps of this region should be cached, if a mix of
* cached and uncached is desired, set this and open the device with
* O_SYNC to get an uncached region */
unsigned cached;
/* The MSM7k has bits to enable a write buffer in the bus controller*/
unsigned buffered;
/* This PMEM is on memory that may be powered off */
unsigned unstable;
/* which memory type (i.e. SMI, EBI1) this PMEM device is backed by */
unsigned memory_type;
};
struct pmem_region {
unsigned long offset;
unsigned long len;
};
#ifdef CONFIG_ANDROID_PMEM
int is_pmem_file(struct file *file);
int get_pmem_file(int fd, unsigned long *start, unsigned long *vstart,
unsigned long *end, struct file **filp);
int get_pmem_user_addr(struct file *file, unsigned long *start,
unsigned long *end);
void put_pmem_file(struct file* file);
void flush_pmem_file(struct file *file, unsigned long start, unsigned long len);
int pmem_setup(struct android_pmem_platform_data *pdata,
long (*ioctl)(struct file *, unsigned int, unsigned long),
int (*release)(struct inode *, struct file *));
int pmem_remap(struct pmem_region *region, struct file *file,
unsigned operation);
#else
static inline int is_pmem_file(struct file *file) { return 0; }
static inline int get_pmem_file(int fd, unsigned long *start,
unsigned long *vstart, unsigned long *end,
struct file **filp) { return -ENOSYS; }
static inline int get_pmem_user_addr(struct file *file, unsigned long *start,
unsigned long *end) { return -ENOSYS; }
static inline void put_pmem_file(struct file* file) { return; }
static inline void flush_pmem_file(struct file *file, unsigned long start,
unsigned long len) { return; }
static inline int pmem_setup(struct android_pmem_platform_data *pdata,
long (*ioctl)(struct file *, unsigned int, unsigned long),
int (*release)(struct inode *, struct file *)) { return -ENOSYS; }
static inline int pmem_remap(struct pmem_region *region, struct file *file,
unsigned operation) { return -ENOSYS; }
#endif
#endif /* __KERNEL__ */
#endif //_ANDROID_PPP_H_