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devfs: use iovec_iterator internally

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Matheus
2024-09-21 13:53:39 -03:00
parent 01c883917f
commit e8c2f1fbf3
14 changed files with 149 additions and 97 deletions
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kernel-src/io/fb.c
+4 -4
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@@ -86,7 +86,7 @@ static int maxseek(int minor, size_t *max) {
return 0;
}
static int read(int minor, void *buffer, size_t size, uintmax_t offset, int flags, size_t *readc) {
static int read(int minor, iovec_iterator_t *iovec_iterator, size_t size, uintmax_t offset, int flags, size_t *readc) {
if (minor >= count)
return ENODEV;
@@ -99,7 +99,7 @@ static int read(int minor, void *buffer, size_t size, uintmax_t offset, int flag
if(size + offset > end)
size = end - offset;
int error = USERCOPY_POSSIBLY_TO_USER(buffer, (void *)((uintptr_t)fbs[minor]->address + offset), size);
int error = iovec_iterator_copy_from_buffer(iovec_iterator, (void *)((uintptr_t)fbs[minor]->address + offset), size);
if (error)
return error;
@@ -108,7 +108,7 @@ static int read(int minor, void *buffer, size_t size, uintmax_t offset, int flag
return 0;
}
static int write(int minor, void *buffer, size_t size, uintmax_t offset, int flags, size_t *writec) {
static int write(int minor, iovec_iterator_t *iovec_iterator, size_t size, uintmax_t offset, int flags, size_t *writec) {
if (minor >= count)
return ENODEV;
@@ -121,7 +121,7 @@ static int write(int minor, void *buffer, size_t size, uintmax_t offset, int fla
if(size + offset > end)
size = end - offset;
int error = USERCOPY_POSSIBLY_FROM_USER((void *)((uintptr_t)fbs[minor]->address + offset), buffer, size);
int error = iovec_iterator_copy_to_buffer(iovec_iterator, (void *)((uintptr_t)fbs[minor]->address + offset), size);
if (error)
return error;