#include <linux/dma-mapping.h>
#include <linux/scatterlist.h>
#include <linux/highmem.h>
-#include <linux/interrupt.h>
#include <linux/crypto.h>
#include <linux/hw_random.h>
#include <linux/ktime.h>
#define HIFN_D_DST_DALIGN 4
-#define HIFN_QUEUE_LENGTH HIFN_D_CMD_RSIZE-5
+#define HIFN_QUEUE_LENGTH HIFN_D_CMD_RSIZE-1
#define AES_MIN_KEY_SIZE 16
#define AES_MAX_KEY_SIZE 32
char *offtbl = NULL;
int i;
- for (i = 0; i < sizeof(pci2id)/sizeof(pci2id[0]); i++) {
+ for (i = 0; i < ARRAY_SIZE(pci2id); i++) {
if (pci2id[i].pci_vendor == dev->pdev->vendor &&
pci2id[i].pci_prod == dev->pdev->device) {
offtbl = pci2id[i].card_id;
return cmd_len;
}
-static int hifn_setup_src_desc(struct hifn_device *dev, struct page *page,
- unsigned int offset, unsigned int size)
-{
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
- int idx;
- dma_addr_t addr;
-
- addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_TODEVICE);
-
- idx = dma->srci;
-
- dma->srcr[idx].p = __cpu_to_le32(addr);
- dma->srcr[idx].l = __cpu_to_le32(size | HIFN_D_VALID |
- HIFN_D_MASKDONEIRQ | HIFN_D_NOINVALID | HIFN_D_LAST);
-
- if (++idx == HIFN_D_SRC_RSIZE) {
- dma->srcr[idx].l = __cpu_to_le32(HIFN_D_VALID |
- HIFN_D_JUMP |
- HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
- idx = 0;
- }
-
- dma->srci = idx;
- dma->srcu++;
-
- if (!(dev->flags & HIFN_FLAG_SRC_BUSY)) {
- hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_S_CTRL_ENA);
- dev->flags |= HIFN_FLAG_SRC_BUSY;
- }
-
- return size;
-}
-
-static void hifn_setup_res_desc(struct hifn_device *dev)
-{
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
-
- dma->resr[dma->resi].l = __cpu_to_le32(HIFN_USED_RESULT |
- HIFN_D_VALID | HIFN_D_LAST);
- /*
- * dma->resr[dma->resi].l = __cpu_to_le32(HIFN_MAX_RESULT | HIFN_D_VALID |
- * HIFN_D_LAST | HIFN_D_NOINVALID);
- */
-
- if (++dma->resi == HIFN_D_RES_RSIZE) {
- dma->resr[HIFN_D_RES_RSIZE].l = __cpu_to_le32(HIFN_D_VALID |
- HIFN_D_JUMP | HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
- dma->resi = 0;
- }
-
- dma->resu++;
-
- if (!(dev->flags & HIFN_FLAG_RES_BUSY)) {
- hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_R_CTRL_ENA);
- dev->flags |= HIFN_FLAG_RES_BUSY;
- }
-}
-
-static void hifn_setup_dst_desc(struct hifn_device *dev, struct page *page,
- unsigned offset, unsigned size)
-{
- struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
- int idx;
- dma_addr_t addr;
-
- addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_FROMDEVICE);
-
- idx = dma->dsti;
- dma->dstr[idx].p = __cpu_to_le32(addr);
- dma->dstr[idx].l = __cpu_to_le32(size | HIFN_D_VALID |
- HIFN_D_MASKDONEIRQ | HIFN_D_NOINVALID | HIFN_D_LAST);
-
- if (++idx == HIFN_D_DST_RSIZE) {
- dma->dstr[idx].l = __cpu_to_le32(HIFN_D_VALID |
- HIFN_D_JUMP | HIFN_D_MASKDONEIRQ |
- HIFN_D_LAST | HIFN_D_NOINVALID);
- idx = 0;
- }
- dma->dsti = idx;
- dma->dstu++;
-
- if (!(dev->flags & HIFN_FLAG_DST_BUSY)) {
- hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_D_CTRL_ENA);
- dev->flags |= HIFN_FLAG_DST_BUSY;
- }
-}
-
-static int hifn_setup_dma(struct hifn_device *dev, struct page *spage, unsigned int soff,
- struct page *dpage, unsigned int doff, unsigned int nbytes, void *priv,
- struct hifn_context *ctx)
+static int hifn_setup_cmd_desc(struct hifn_device *dev,
+ struct hifn_context *ctx, void *priv, unsigned int nbytes)
{
struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
int cmd_len, sa_idx;
u8 *buf, *buf_pos;
u16 mask;
- dprintk("%s: spage: %p, soffset: %u, dpage: %p, doffset: %u, nbytes: %u, priv: %p, ctx: %p.\n",
- dev->name, spage, soff, dpage, doff, nbytes, priv, ctx);
-
- sa_idx = dma->resi;
-
- hifn_setup_src_desc(dev, spage, soff, nbytes);
-
+ sa_idx = dma->cmdi;
buf_pos = buf = dma->command_bufs[dma->cmdi];
mask = 0;
hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_C_CTRL_ENA);
dev->flags |= HIFN_FLAG_CMD_BUSY;
}
-
- hifn_setup_dst_desc(dev, dpage, doff, nbytes);
- hifn_setup_res_desc(dev);
-
return 0;
err_out:
return -EINVAL;
}
+static int hifn_setup_src_desc(struct hifn_device *dev, struct page *page,
+ unsigned int offset, unsigned int size)
+{
+ struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+ int idx;
+ dma_addr_t addr;
+
+ addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_TODEVICE);
+
+ idx = dma->srci;
+
+ dma->srcr[idx].p = __cpu_to_le32(addr);
+ dma->srcr[idx].l = __cpu_to_le32(size | HIFN_D_VALID |
+ HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
+
+ if (++idx == HIFN_D_SRC_RSIZE) {
+ dma->srcr[idx].l = __cpu_to_le32(HIFN_D_VALID |
+ HIFN_D_JUMP |
+ HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
+ idx = 0;
+ }
+
+ dma->srci = idx;
+ dma->srcu++;
+
+ if (!(dev->flags & HIFN_FLAG_SRC_BUSY)) {
+ hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_S_CTRL_ENA);
+ dev->flags |= HIFN_FLAG_SRC_BUSY;
+ }
+
+ return size;
+}
+
+static void hifn_setup_res_desc(struct hifn_device *dev)
+{
+ struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+
+ dma->resr[dma->resi].l = __cpu_to_le32(HIFN_USED_RESULT |
+ HIFN_D_VALID | HIFN_D_LAST);
+ /*
+ * dma->resr[dma->resi].l = __cpu_to_le32(HIFN_MAX_RESULT | HIFN_D_VALID |
+ * HIFN_D_LAST);
+ */
+
+ if (++dma->resi == HIFN_D_RES_RSIZE) {
+ dma->resr[HIFN_D_RES_RSIZE].l = __cpu_to_le32(HIFN_D_VALID |
+ HIFN_D_JUMP | HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
+ dma->resi = 0;
+ }
+
+ dma->resu++;
+
+ if (!(dev->flags & HIFN_FLAG_RES_BUSY)) {
+ hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_R_CTRL_ENA);
+ dev->flags |= HIFN_FLAG_RES_BUSY;
+ }
+}
+
+static void hifn_setup_dst_desc(struct hifn_device *dev, struct page *page,
+ unsigned offset, unsigned size)
+{
+ struct hifn_dma *dma = (struct hifn_dma *)dev->desc_virt;
+ int idx;
+ dma_addr_t addr;
+
+ addr = pci_map_page(dev->pdev, page, offset, size, PCI_DMA_FROMDEVICE);
+
+ idx = dma->dsti;
+ dma->dstr[idx].p = __cpu_to_le32(addr);
+ dma->dstr[idx].l = __cpu_to_le32(size | HIFN_D_VALID |
+ HIFN_D_MASKDONEIRQ | HIFN_D_LAST);
+
+ if (++idx == HIFN_D_DST_RSIZE) {
+ dma->dstr[idx].l = __cpu_to_le32(HIFN_D_VALID |
+ HIFN_D_JUMP | HIFN_D_MASKDONEIRQ |
+ HIFN_D_LAST);
+ idx = 0;
+ }
+ dma->dsti = idx;
+ dma->dstu++;
+
+ if (!(dev->flags & HIFN_FLAG_DST_BUSY)) {
+ hifn_write_1(dev, HIFN_1_DMA_CSR, HIFN_DMACSR_D_CTRL_ENA);
+ dev->flags |= HIFN_FLAG_DST_BUSY;
+ }
+}
+
+static int hifn_setup_dma(struct hifn_device *dev, struct page *spage, unsigned int soff,
+ struct page *dpage, unsigned int doff, unsigned int nbytes, void *priv,
+ struct hifn_context *ctx)
+{
+ dprintk("%s: spage: %p, soffset: %u, dpage: %p, doffset: %u, nbytes: %u, priv: %p, ctx: %p.\n",
+ dev->name, spage, soff, dpage, doff, nbytes, priv, ctx);
+
+ hifn_setup_src_desc(dev, spage, soff, nbytes);
+ hifn_setup_cmd_desc(dev, ctx, priv, nbytes);
+ hifn_setup_dst_desc(dev, dpage, doff, nbytes);
+ hifn_setup_res_desc(dev);
+ return 0;
+}
+
static int ablkcipher_walk_init(struct ablkcipher_walk *w,
int num, gfp_t gfp_flags)
{
projects / linux-2.6-omap-h63xx.git / blobdiff