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https://github.com/followmsi/android_kernel_google_msm.git
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msm: ADSPRPC: Cleanup header and source.
Cleanup header and source to conform with coding guidelines. Change-Id: I0fba2a7a758930003d5bce9c8ffc0036574736b8 Acked-by: Anatoly Yakovenko <anatolyy@qti.qualcomm.com> Signed-off-by: Mitchel Humpherys <mitchelh@codeaurora.org>
This commit is contained in:
Mitchel Humpherys
Iliyan Malchev
parent
fcb0d4d816
commit
402830b08d
3 changed files with 116 additions and 115 deletions
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@ -11,8 +11,110 @@
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* GNU General Public License for more details.
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*
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*/
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#include "adsprpc_shared.h"
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#ifdef __KERNEL__
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#include <linux/slab.h>
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#include <linux/completion.h>
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#include <linux/pagemap.h>
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#include <linux/mm.h>
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#include <linux/fs.h>
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#include <linux/sched.h>
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#include <linux/module.h>
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#include <linux/cdev.h>
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#include <linux/list.h>
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#include <linux/hash.h>
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#include <linux/msm_ion.h>
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#include <mach/msm_smd.h>
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#include <mach/ion.h>
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#include <linux/scatterlist.h>
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#include "adsprpc.h"
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#include <linux/fs.h>
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#include <linux/uaccess.h>
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#include <linux/device.h>
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#ifndef ION_ADSPRPC_HEAP_ID
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#define ION_ADSPRPC_HEAP_ID ION_AUDIO_HEAP_ID
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#endif /*ION_ADSPRPC_HEAP_ID*/
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#define RPC_TIMEOUT (5 * HZ)
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#define RPC_HASH_BITS 5
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#define RPC_HASH_SZ (1 << RPC_HASH_BITS)
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#define BALIGN 32
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#define LOCK_MMAP(kernel)\
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do {\
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if (!kernel)\
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down_read(¤t->mm->mmap_sem);\
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} while (0)
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#define UNLOCK_MMAP(kernel)\
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do {\
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if (!kernel)\
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up_read(¤t->mm->mmap_sem);\
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} while (0)
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static inline uint32_t buf_page_start(void *buf)
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{
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uint32_t start = (uint32_t) buf & PAGE_MASK;
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return start;
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}
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static inline uint32_t buf_page_offset(void *buf)
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{
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uint32_t offset = (uint32_t) buf & (PAGE_SIZE - 1);
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return offset;
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}
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static inline int buf_num_pages(void *buf, int len)
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{
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uint32_t start = buf_page_start(buf) >> PAGE_SHIFT;
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uint32_t end = (((uint32_t) buf + len - 1) & PAGE_MASK) >> PAGE_SHIFT;
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int nPages = end - start + 1;
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return nPages;
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}
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static inline uint32_t buf_page_size(uint32_t size)
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{
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uint32_t sz = (size + (PAGE_SIZE - 1)) & PAGE_MASK;
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return sz > PAGE_SIZE ? sz : PAGE_SIZE;
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}
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static inline int buf_get_pages(void *addr, int sz, int nr_pages, int access,
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struct smq_phy_page *pages, int nr_elems)
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{
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struct vm_area_struct *vma;
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uint32_t start = buf_page_start(addr);
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uint32_t len = nr_pages << PAGE_SHIFT;
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unsigned long pfn;
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int n = -1, err = 0;
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VERIFY(err, 0 != access_ok(access ? VERIFY_WRITE : VERIFY_READ,
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(void __user *)start, len));
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if (err)
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goto bail;
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VERIFY(err, 0 != (vma = find_vma(current->mm, start)));
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if (err)
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goto bail;
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VERIFY(err, ((uint32_t)addr + sz) <= vma->vm_end);
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if (err)
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goto bail;
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n = 0;
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VERIFY(err, 0 == follow_pfn(vma, start, &pfn));
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if (err)
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goto bail;
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VERIFY(err, nr_elems > 0);
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if (err)
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goto bail;
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pages->addr = __pfn_to_phys(pfn);
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pages->size = len;
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n++;
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bail:
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return n;
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}
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#endif /*__KERNEL__*/
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struct smq_invoke_ctx {
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struct completion work;
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@ -485,9 +587,9 @@ static int fastrpc_init(void)
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static void free_dev(struct fastrpc_device *dev)
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{
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if (dev) {
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module_put(THIS_MODULE);
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free_mem(&dev->buf);
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kfree(dev);
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module_put(THIS_MODULE);
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}
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}
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@ -609,8 +711,10 @@ static int fastrpc_internal_invoke(struct fastrpc_apps *me, uint32_t kernel,
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wait_for_completion(&ctx->work);
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}
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context_free(ctx);
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for (i = 0, b = abufs; i < nbufs; ++i, ++b)
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free_mem(b);
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kfree(abufs);
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if (dev) {
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add_dev(me, dev);
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@ -746,12 +850,16 @@ static long fastrpc_device_ioctl(struct file *file, unsigned int ioctl_num,
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return err;
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}
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#ifdef __KERNEL__
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static const struct file_operations fops = {
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.open = fastrpc_device_open,
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.release = fastrpc_device_release,
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.unlocked_ioctl = fastrpc_device_ioctl,
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};
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#endif /*__KERNEL__*/
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static int __init fastrpc_device_init(void)
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{
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struct fastrpc_apps *me = &gfa;
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@ -1,113 +0,0 @@
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/*
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* Copyright (c) 2012, The Linux Foundation. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#ifndef ADSPRPC_H
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#define ADSPRPC_H
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#include <linux/slab.h>
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#include <linux/completion.h>
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#include <linux/pagemap.h>
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#include <linux/mm.h>
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#include <linux/fs.h>
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#include <linux/sched.h>
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#include <linux/module.h>
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#include <linux/cdev.h>
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#include <linux/list.h>
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#include <linux/hash.h>
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#include <linux/msm_ion.h>
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#include <mach/msm_smd.h>
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#include <mach/ion.h>
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#include "adsprpc_shared.h"
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#ifndef ION_ADSPRPC_HEAP_ID
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#define ION_ADSPRPC_HEAP_ID ION_AUDIO_HEAP_ID
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#endif
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#define RPC_TIMEOUT (5 * HZ)
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#define RPC_HASH_BITS 5
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#define RPC_HASH_SZ (1 << RPC_HASH_BITS)
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#define BALIGN 32
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#define LOCK_MMAP(kernel)\
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do {\
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if (!kernel)\
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down_read(¤t->mm->mmap_sem);\
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} while (0)
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#define UNLOCK_MMAP(kernel)\
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do {\
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if (!kernel)\
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up_read(¤t->mm->mmap_sem);\
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} while (0)
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static inline uint32_t buf_page_start(void *buf)
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{
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uint32_t start = (uint32_t) buf & PAGE_MASK;
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return start;
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}
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static inline uint32_t buf_page_offset(void *buf)
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{
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uint32_t offset = (uint32_t) buf & (PAGE_SIZE - 1);
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return offset;
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}
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static inline int buf_num_pages(void *buf, int len)
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{
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uint32_t start = buf_page_start(buf) >> PAGE_SHIFT;
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uint32_t end = (((uint32_t) buf + len - 1) & PAGE_MASK) >> PAGE_SHIFT;
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int nPages = end - start + 1;
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return nPages;
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}
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static inline uint32_t buf_page_size(uint32_t size)
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{
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uint32_t sz = (size + (PAGE_SIZE - 1)) & PAGE_MASK;
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return sz > PAGE_SIZE ? sz : PAGE_SIZE;
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}
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static inline int buf_get_pages(void *addr, int sz, int nr_pages, int access,
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struct smq_phy_page *pages, int nr_elems)
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{
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struct vm_area_struct *vma;
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uint32_t start = buf_page_start(addr);
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uint32_t len = nr_pages << PAGE_SHIFT;
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unsigned long pfn;
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int n = -1, err = 0;
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VERIFY(err, 0 != access_ok(access ? VERIFY_WRITE : VERIFY_READ,
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(void __user *)start, len));
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if (err)
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goto bail;
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VERIFY(err, 0 != (vma = find_vma(current->mm, start)));
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if (err)
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goto bail;
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VERIFY(err, ((uint32_t)addr + sz) <= vma->vm_end);
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if (err)
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goto bail;
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n = 0;
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VERIFY(err, 0 == follow_pfn(vma, start, &pfn));
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if (err)
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goto bail;
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VERIFY(err, nr_elems > 0);
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if (err)
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goto bail;
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pages->addr = __pfn_to_phys(pfn);
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pages->size = len;
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n++;
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bail:
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return n;
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}
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#endif
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@ -14,6 +14,12 @@
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#ifndef ADSPRPC_SHARED_H
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#define ADSPRPC_SHARED_H
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#ifdef __KERNEL__
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#include <linux/types.h>
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#endif /*__KERNEL__*/
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#define FASTRPC_IOCTL_INVOKE _IOWR('R', 1, struct fastrpc_ioctl_invoke)
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#define FASTRPC_SMD_GUID "fastrpcsmd-apps-dsp"
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#define DEVICE_NAME "adsprpc-smd"
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