diff options
Diffstat (limited to 'drivers/staging/tidspbridge/rmgr/rmm.c')
| -rw-r--r-- | drivers/staging/tidspbridge/rmgr/rmm.c | 93 |
1 files changed, 34 insertions, 59 deletions
diff --git a/drivers/staging/tidspbridge/rmgr/rmm.c b/drivers/staging/tidspbridge/rmgr/rmm.c index 761e8f4..f3dc0dd 100644 --- a/drivers/staging/tidspbridge/rmgr/rmm.c +++ b/drivers/staging/tidspbridge/rmgr/rmm.c @@ -38,6 +38,10 @@ */ #include <linux/types.h> +#include <linux/list.h> + +/* ----------------------------------- Host OS */ +#include <dspbridge/host_os.h> /* ----------------------------------- DSP/BIOS Bridge */ #include <dspbridge/dbdefs.h> @@ -45,9 +49,6 @@ /* ----------------------------------- Trace & Debug */ #include <dspbridge/dbc.h> -/* ----------------------------------- OS Adaptation Layer */ -#include <dspbridge/list.h> - /* ----------------------------------- This */ #include <dspbridge/rmm.h> @@ -79,7 +80,7 @@ struct rmm_target_obj { struct rmm_segment *seg_tab; struct rmm_header **free_list; u32 num_segs; - struct lst_list *ovly_list; /* List of overlay memory in use */ + struct list_head ovly_list; /* List of overlay memory in use */ }; static u32 refs; /* module reference count */ @@ -95,8 +96,7 @@ static bool free_block(struct rmm_target_obj *target, u32 segid, u32 addr, int rmm_alloc(struct rmm_target_obj *target, u32 segid, u32 size, u32 align, u32 *dsp_address, bool reserve) { - struct rmm_ovly_sect *sect; - struct rmm_ovly_sect *prev_sect = NULL; + struct rmm_ovly_sect *sect, *prev_sect = NULL; struct rmm_ovly_sect *new_sect; u32 addr; int status = 0; @@ -120,10 +120,9 @@ int rmm_alloc(struct rmm_target_obj *target, u32 segid, u32 size, /* An overlay section - See if block is already in use. If not, * insert into the list in ascending address size. */ addr = *dsp_address; - sect = (struct rmm_ovly_sect *)lst_first(target->ovly_list); /* Find place to insert new list element. List is sorted from * smallest to largest address. */ - while (sect != NULL) { + list_for_each_entry(sect, &target->ovly_list, list_elem) { if (addr <= sect->addr) { /* Check for overlap with sect */ if ((addr + size > sect->addr) || (prev_sect && @@ -135,9 +134,6 @@ int rmm_alloc(struct rmm_target_obj *target, u32 segid, u32 size, break; } prev_sect = sect; - sect = (struct rmm_ovly_sect *)lst_next(target->ovly_list, - (struct list_head *) - sect); } if (!status) { /* No overlap - allocate list element for new section. */ @@ -145,20 +141,17 @@ int rmm_alloc(struct rmm_target_obj *target, u32 segid, u32 size, if (new_sect == NULL) { status = -ENOMEM; } else { - lst_init_elem((struct list_head *)new_sect); new_sect->addr = addr; new_sect->size = size; new_sect->page = segid; - if (sect == NULL) { + if (list_is_last(§->list_elem, &target->ovly_list)) /* Put new section at the end of the list */ - lst_put_tail(target->ovly_list, - (struct list_head *)new_sect); - } else { + list_add_tail(&new_sect->list_elem, + &target->ovly_list); + else /* Put new section just before sect */ - lst_insert_before(target->ovly_list, - (struct list_head *)new_sect, - (struct list_head *)sect); - } + list_add_tail(&new_sect->list_elem, + §->list_elem); } } func_end: @@ -230,14 +223,8 @@ int rmm_create(struct rmm_target_obj **target_obj, } func_cont: /* Initialize overlay memory list */ - if (!status) { - target->ovly_list = kzalloc(sizeof(struct lst_list), - GFP_KERNEL); - if (target->ovly_list == NULL) - status = -ENOMEM; - else - INIT_LIST_HEAD(&target->ovly_list->head); - } + if (!status) + INIT_LIST_HEAD(&target->ovly_list); if (!status) { *target_obj = target; @@ -259,7 +246,7 @@ func_cont: */ void rmm_delete(struct rmm_target_obj *target) { - struct rmm_ovly_sect *ovly_section; + struct rmm_ovly_sect *sect, *tmp; struct rmm_header *hptr; struct rmm_header *next; u32 i; @@ -268,13 +255,9 @@ void rmm_delete(struct rmm_target_obj *target) kfree(target->seg_tab); - if (target->ovly_list) { - while ((ovly_section = (struct rmm_ovly_sect *)lst_get_head - (target->ovly_list))) { - kfree(ovly_section); - } - DBC_ASSERT(LST_IS_EMPTY(target->ovly_list)); - kfree(target->ovly_list); + list_for_each_entry_safe(sect, tmp, &target->ovly_list, list_elem) { + list_del(§->list_elem); + kfree(sect); } if (target->free_list != NULL) { @@ -311,8 +294,8 @@ void rmm_exit(void) bool rmm_free(struct rmm_target_obj *target, u32 segid, u32 dsp_addr, u32 size, bool reserved) { - struct rmm_ovly_sect *sect; - bool ret = true; + struct rmm_ovly_sect *sect, *tmp; + bool ret = false; DBC_REQUIRE(target); @@ -333,24 +316,16 @@ bool rmm_free(struct rmm_target_obj *target, u32 segid, u32 dsp_addr, u32 size, } else { /* Unreserve memory */ - sect = (struct rmm_ovly_sect *)lst_first(target->ovly_list); - while (sect != NULL) { + list_for_each_entry_safe(sect, tmp, &target->ovly_list, + list_elem) { if (dsp_addr == sect->addr) { DBC_ASSERT(size == sect->size); /* Remove from list */ - lst_remove_elem(target->ovly_list, - (struct list_head *)sect); + list_del(§->list_elem); kfree(sect); - break; + return true; } - sect = - (struct rmm_ovly_sect *)lst_next(target->ovly_list, - (struct list_head - *)sect); } - if (sect == NULL) - ret = false; - } return ret; } @@ -394,19 +369,19 @@ bool rmm_stat(struct rmm_target_obj *target, enum dsp_memtype segid, } /* ul_size */ - mem_stat_buf->ul_size = target->seg_tab[segid].length; + mem_stat_buf->size = target->seg_tab[segid].length; - /* ul_num_free_blocks */ - mem_stat_buf->ul_num_free_blocks = free_blocks; + /* num_free_blocks */ + mem_stat_buf->num_free_blocks = free_blocks; - /* ul_total_free_size */ - mem_stat_buf->ul_total_free_size = total_free_size; + /* total_free_size */ + mem_stat_buf->total_free_size = total_free_size; - /* ul_len_max_free_block */ - mem_stat_buf->ul_len_max_free_block = max_free_size; + /* len_max_free_block */ + mem_stat_buf->len_max_free_block = max_free_size; - /* ul_num_alloc_blocks */ - mem_stat_buf->ul_num_alloc_blocks = + /* num_alloc_blocks */ + mem_stat_buf->num_alloc_blocks = target->seg_tab[segid].number; ret = true; |