int slots_per_op)
{
struct iop_adma_desc_slot *iter, *_iter, *alloc_start = NULL;
- struct list_head chain = LIST_HEAD_INIT(chain);
+ LIST_HEAD(chain);
int slots_found, retry = 0;
/* start search from the last allocated descrtiptor
return cookie;
}
-static void
-iop_adma_set_dest(dma_addr_t addr, struct dma_async_tx_descriptor *tx,
- int index)
-{
- struct iop_adma_desc_slot *sw_desc = tx_to_iop_adma_slot(tx);
- struct iop_adma_chan *iop_chan = to_iop_adma_chan(tx->chan);
-
- /* to do: support transfers lengths > IOP_ADMA_MAX_BYTE_COUNT */
- iop_desc_set_dest_addr(sw_desc->group_head, iop_chan, addr);
-}
-
static void iop_chan_start_null_memcpy(struct iop_adma_chan *iop_chan);
static void iop_chan_start_null_xor(struct iop_adma_chan *iop_chan);
dma_async_tx_descriptor_init(&slot->async_tx, chan);
slot->async_tx.tx_submit = iop_adma_tx_submit;
- slot->async_tx.tx_set_dest = iop_adma_set_dest;
INIT_LIST_HEAD(&slot->chain_node);
INIT_LIST_HEAD(&slot->slot_node);
INIT_LIST_HEAD(&slot->async_tx.tx_list);
return sw_desc ? &sw_desc->async_tx : NULL;
}
-static void
-iop_adma_memcpy_set_src(dma_addr_t addr, struct dma_async_tx_descriptor *tx,
- int index)
-{
- struct iop_adma_desc_slot *sw_desc = tx_to_iop_adma_slot(tx);
- struct iop_adma_desc_slot *grp_start = sw_desc->group_head;
-
- iop_desc_set_memcpy_src_addr(grp_start, addr);
-}
-
static struct dma_async_tx_descriptor *
-iop_adma_prep_dma_memcpy(struct dma_chan *chan, size_t len, int int_en)
+iop_adma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dma_dest,
+ dma_addr_t dma_src, size_t len, unsigned long flags)
{
struct iop_adma_chan *iop_chan = to_iop_adma_chan(chan);
struct iop_adma_desc_slot *sw_desc, *grp_start;
sw_desc = iop_adma_alloc_slots(iop_chan, slot_cnt, slots_per_op);
if (sw_desc) {
grp_start = sw_desc->group_head;
- iop_desc_init_memcpy(grp_start, int_en);
+ iop_desc_init_memcpy(grp_start, flags);
iop_desc_set_byte_count(grp_start, iop_chan, len);
+ iop_desc_set_dest_addr(grp_start, iop_chan, dma_dest);
+ iop_desc_set_memcpy_src_addr(grp_start, dma_src);
sw_desc->unmap_src_cnt = 1;
sw_desc->unmap_len = len;
- sw_desc->async_tx.tx_set_src = iop_adma_memcpy_set_src;
}
spin_unlock_bh(&iop_chan->lock);
}
static struct dma_async_tx_descriptor *
-iop_adma_prep_dma_memset(struct dma_chan *chan, int value, size_t len,
- int int_en)
+iop_adma_prep_dma_memset(struct dma_chan *chan, dma_addr_t dma_dest,
+ int value, size_t len, unsigned long flags)
{
struct iop_adma_chan *iop_chan = to_iop_adma_chan(chan);
struct iop_adma_desc_slot *sw_desc, *grp_start;
sw_desc = iop_adma_alloc_slots(iop_chan, slot_cnt, slots_per_op);
if (sw_desc) {
grp_start = sw_desc->group_head;
- iop_desc_init_memset(grp_start, int_en);
+ iop_desc_init_memset(grp_start, flags);
iop_desc_set_byte_count(grp_start, iop_chan, len);
iop_desc_set_block_fill_val(grp_start, value);
+ iop_desc_set_dest_addr(grp_start, iop_chan, dma_dest);
sw_desc->unmap_src_cnt = 1;
sw_desc->unmap_len = len;
}
return sw_desc ? &sw_desc->async_tx : NULL;
}
-static void
-iop_adma_xor_set_src(dma_addr_t addr, struct dma_async_tx_descriptor *tx,
- int index)
-{
- struct iop_adma_desc_slot *sw_desc = tx_to_iop_adma_slot(tx);
- struct iop_adma_desc_slot *grp_start = sw_desc->group_head;
-
- iop_desc_set_xor_src_addr(grp_start, index, addr);
-}
-
static struct dma_async_tx_descriptor *
-iop_adma_prep_dma_xor(struct dma_chan *chan, unsigned int src_cnt, size_t len,
- int int_en)
+iop_adma_prep_dma_xor(struct dma_chan *chan, dma_addr_t dma_dest,
+ dma_addr_t *dma_src, unsigned int src_cnt, size_t len,
+ unsigned long flags)
{
struct iop_adma_chan *iop_chan = to_iop_adma_chan(chan);
struct iop_adma_desc_slot *sw_desc, *grp_start;
BUG_ON(unlikely(len > IOP_ADMA_XOR_MAX_BYTE_COUNT));
dev_dbg(iop_chan->device->common.dev,
- "%s src_cnt: %d len: %u int_en: %d\n",
- __FUNCTION__, src_cnt, len, int_en);
+ "%s src_cnt: %d len: %u flags: %lx\n",
+ __FUNCTION__, src_cnt, len, flags);
spin_lock_bh(&iop_chan->lock);
slot_cnt = iop_chan_xor_slot_count(len, src_cnt, &slots_per_op);
sw_desc = iop_adma_alloc_slots(iop_chan, slot_cnt, slots_per_op);
if (sw_desc) {
grp_start = sw_desc->group_head;
- iop_desc_init_xor(grp_start, src_cnt, int_en);
+ iop_desc_init_xor(grp_start, src_cnt, flags);
iop_desc_set_byte_count(grp_start, iop_chan, len);
+ iop_desc_set_dest_addr(grp_start, iop_chan, dma_dest);
sw_desc->unmap_src_cnt = src_cnt;
sw_desc->unmap_len = len;
- sw_desc->async_tx.tx_set_src = iop_adma_xor_set_src;
+ while (src_cnt--)
+ iop_desc_set_xor_src_addr(grp_start, src_cnt,
+ dma_src[src_cnt]);
}
spin_unlock_bh(&iop_chan->lock);
return sw_desc ? &sw_desc->async_tx : NULL;
}
-static void
-iop_adma_xor_zero_sum_set_src(dma_addr_t addr,
- struct dma_async_tx_descriptor *tx,
- int index)
-{
- struct iop_adma_desc_slot *sw_desc = tx_to_iop_adma_slot(tx);
- struct iop_adma_desc_slot *grp_start = sw_desc->group_head;
-
- iop_desc_set_zero_sum_src_addr(grp_start, index, addr);
-}
-
static struct dma_async_tx_descriptor *
-iop_adma_prep_dma_zero_sum(struct dma_chan *chan, unsigned int src_cnt,
- size_t len, u32 *result, int int_en)
+iop_adma_prep_dma_zero_sum(struct dma_chan *chan, dma_addr_t *dma_src,
+ unsigned int src_cnt, size_t len, u32 *result,
+ unsigned long flags)
{
struct iop_adma_chan *iop_chan = to_iop_adma_chan(chan);
struct iop_adma_desc_slot *sw_desc, *grp_start;
sw_desc = iop_adma_alloc_slots(iop_chan, slot_cnt, slots_per_op);
if (sw_desc) {
grp_start = sw_desc->group_head;
- iop_desc_init_zero_sum(grp_start, src_cnt, int_en);
+ iop_desc_init_zero_sum(grp_start, src_cnt, flags);
iop_desc_set_zero_sum_byte_count(grp_start, len);
grp_start->xor_check_result = result;
pr_debug("\t%s: grp_start->xor_check_result: %p\n",
__FUNCTION__, grp_start->xor_check_result);
sw_desc->unmap_src_cnt = src_cnt;
sw_desc->unmap_len = len;
- sw_desc->async_tx.tx_set_src = iop_adma_xor_zero_sum_set_src;
+ while (src_cnt--)
+ iop_desc_set_zero_sum_src_addr(grp_start, src_cnt,
+ dma_src[src_cnt]);
}
spin_unlock_bh(&iop_chan->lock);
goto out;
}
- tx = iop_adma_prep_dma_memcpy(dma_chan, IOP_ADMA_TEST_SIZE, 1);
dest_dma = dma_map_single(dma_chan->device->dev, dest,
IOP_ADMA_TEST_SIZE, DMA_FROM_DEVICE);
- iop_adma_set_dest(dest_dma, tx, 0);
src_dma = dma_map_single(dma_chan->device->dev, src,
IOP_ADMA_TEST_SIZE, DMA_TO_DEVICE);
- iop_adma_memcpy_set_src(src_dma, tx, 0);
+ tx = iop_adma_prep_dma_memcpy(dma_chan, dest_dma, src_dma,
+ IOP_ADMA_TEST_SIZE, 1);
cookie = iop_adma_tx_submit(tx);
iop_adma_issue_pending(dma_chan);
struct page *dest;
struct page *xor_srcs[IOP_ADMA_NUM_SRC_TEST];
struct page *zero_sum_srcs[IOP_ADMA_NUM_SRC_TEST + 1];
+ dma_addr_t dma_srcs[IOP_ADMA_NUM_SRC_TEST + 1];
dma_addr_t dma_addr, dest_dma;
struct dma_async_tx_descriptor *tx;
struct dma_chan *dma_chan;
}
/* test xor */
- tx = iop_adma_prep_dma_xor(dma_chan, IOP_ADMA_NUM_SRC_TEST,
- PAGE_SIZE, 1);
dest_dma = dma_map_page(dma_chan->device->dev, dest, 0,
PAGE_SIZE, DMA_FROM_DEVICE);
- iop_adma_set_dest(dest_dma, tx, 0);
-
- for (i = 0; i < IOP_ADMA_NUM_SRC_TEST; i++) {
- dma_addr = dma_map_page(dma_chan->device->dev, xor_srcs[i], 0,
- PAGE_SIZE, DMA_TO_DEVICE);
- iop_adma_xor_set_src(dma_addr, tx, i);
- }
+ for (i = 0; i < IOP_ADMA_NUM_SRC_TEST; i++)
+ dma_srcs[i] = dma_map_page(dma_chan->device->dev, xor_srcs[i],
+ 0, PAGE_SIZE, DMA_TO_DEVICE);
+ tx = iop_adma_prep_dma_xor(dma_chan, dest_dma, dma_srcs,
+ IOP_ADMA_NUM_SRC_TEST, PAGE_SIZE, 1);
cookie = iop_adma_tx_submit(tx);
iop_adma_issue_pending(dma_chan);
zero_sum_result = 1;
- tx = iop_adma_prep_dma_zero_sum(dma_chan, IOP_ADMA_NUM_SRC_TEST + 1,
- PAGE_SIZE, &zero_sum_result, 1);
- for (i = 0; i < IOP_ADMA_NUM_SRC_TEST + 1; i++) {
- dma_addr = dma_map_page(dma_chan->device->dev, zero_sum_srcs[i],
- 0, PAGE_SIZE, DMA_TO_DEVICE);
- iop_adma_xor_zero_sum_set_src(dma_addr, tx, i);
- }
+ for (i = 0; i < IOP_ADMA_NUM_SRC_TEST + 1; i++)
+ dma_srcs[i] = dma_map_page(dma_chan->device->dev,
+ zero_sum_srcs[i], 0, PAGE_SIZE,
+ DMA_TO_DEVICE);
+ tx = iop_adma_prep_dma_zero_sum(dma_chan, dma_srcs,
+ IOP_ADMA_NUM_SRC_TEST + 1, PAGE_SIZE,
+ &zero_sum_result, 1);
cookie = iop_adma_tx_submit(tx);
iop_adma_issue_pending(dma_chan);
}
/* test memset */
- tx = iop_adma_prep_dma_memset(dma_chan, 0, PAGE_SIZE, 1);
dma_addr = dma_map_page(dma_chan->device->dev, dest, 0,
PAGE_SIZE, DMA_FROM_DEVICE);
- iop_adma_set_dest(dma_addr, tx, 0);
+ tx = iop_adma_prep_dma_memset(dma_chan, dma_addr, 0, PAGE_SIZE, 1);
cookie = iop_adma_tx_submit(tx);
iop_adma_issue_pending(dma_chan);
/* test for non-zero parity sum */
zero_sum_result = 0;
- tx = iop_adma_prep_dma_zero_sum(dma_chan, IOP_ADMA_NUM_SRC_TEST + 1,
- PAGE_SIZE, &zero_sum_result, 1);
- for (i = 0; i < IOP_ADMA_NUM_SRC_TEST + 1; i++) {
- dma_addr = dma_map_page(dma_chan->device->dev, zero_sum_srcs[i],
- 0, PAGE_SIZE, DMA_TO_DEVICE);
- iop_adma_xor_zero_sum_set_src(dma_addr, tx, i);
- }
+ for (i = 0; i < IOP_ADMA_NUM_SRC_TEST + 1; i++)
+ dma_srcs[i] = dma_map_page(dma_chan->device->dev,
+ zero_sum_srcs[i], 0, PAGE_SIZE,
+ DMA_TO_DEVICE);
+ tx = iop_adma_prep_dma_zero_sum(dma_chan, dma_srcs,
+ IOP_ADMA_NUM_SRC_TEST + 1, PAGE_SIZE,
+ &zero_sum_result, 1);
cookie = iop_adma_tx_submit(tx);
iop_adma_issue_pending(dma_chan);
projects / linux-2.6-omap-h63xx.git / blobdiff