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-rw-r--r--target/linux/generic/files/crypto/ocf/pasemi/Makefile12
-rw-r--r--target/linux/generic/files/crypto/ocf/pasemi/pasemi.c1007
-rw-r--r--target/linux/generic/files/crypto/ocf/pasemi/pasemi_fnu.h410
3 files changed, 1429 insertions, 0 deletions
diff --git a/target/linux/generic/files/crypto/ocf/pasemi/Makefile b/target/linux/generic/files/crypto/ocf/pasemi/Makefile
new file mode 100644
index 000000000..b0a3980f2
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/pasemi/Makefile
@@ -0,0 +1,12 @@
+# for SGlinux builds
+-include $(ROOTDIR)/modules/.config
+
+obj-$(CONFIG_OCF_PASEMI) += pasemi.o
+
+obj ?= .
+EXTRA_CFLAGS += -I$(obj)/.. -I$(obj)/
+
+ifdef TOPDIR
+-include $(TOPDIR)/Rules.make
+endif
+
diff --git a/target/linux/generic/files/crypto/ocf/pasemi/pasemi.c b/target/linux/generic/files/crypto/ocf/pasemi/pasemi.c
new file mode 100644
index 000000000..1b4333cdd
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/pasemi/pasemi.c
@@ -0,0 +1,1007 @@
+/*
+ * Copyright (C) 2007 PA Semi, Inc
+ *
+ * Driver for the PA Semi PWRficient DMA Crypto Engine
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#include <linux/version.h>
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,38) && !defined(AUTOCONF_INCLUDED)
+#include <linux/config.h>
+#endif
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/interrupt.h>
+#include <linux/timer.h>
+#include <linux/random.h>
+#include <linux/skbuff.h>
+#include <asm/scatterlist.h>
+#include <linux/moduleparam.h>
+#include <linux/pci.h>
+#include <cryptodev.h>
+#include <uio.h>
+#include "pasemi_fnu.h"
+
+#define DRV_NAME "pasemi"
+
+#define TIMER_INTERVAL 1000
+
+static void __devexit pasemi_dma_remove(struct pci_dev *pdev);
+static struct pasdma_status volatile * dma_status;
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "Enable debug");
+
+static void pasemi_desc_start(struct pasemi_desc *desc, u64 hdr)
+{
+ desc->postop = 0;
+ desc->quad[0] = hdr;
+ desc->quad_cnt = 1;
+ desc->size = 1;
+}
+
+static void pasemi_desc_build(struct pasemi_desc *desc, u64 val)
+{
+ desc->quad[desc->quad_cnt++] = val;
+ desc->size = (desc->quad_cnt + 1) / 2;
+}
+
+static void pasemi_desc_hdr(struct pasemi_desc *desc, u64 hdr)
+{
+ desc->quad[0] |= hdr;
+}
+
+static int pasemi_desc_size(struct pasemi_desc *desc)
+{
+ return desc->size;
+}
+
+static void pasemi_ring_add_desc(
+ struct pasemi_fnu_txring *ring,
+ struct pasemi_desc *desc,
+ struct cryptop *crp) {
+ int i;
+ int ring_index = 2 * (ring->next_to_fill & (TX_RING_SIZE-1));
+
+ TX_DESC_INFO(ring, ring->next_to_fill).desc_size = desc->size;
+ TX_DESC_INFO(ring, ring->next_to_fill).desc_postop = desc->postop;
+ TX_DESC_INFO(ring, ring->next_to_fill).cf_crp = crp;
+
+ for (i = 0; i < desc->quad_cnt; i += 2) {
+ ring_index = 2 * (ring->next_to_fill & (TX_RING_SIZE-1));
+ ring->desc[ring_index] = desc->quad[i];
+ ring->desc[ring_index + 1] = desc->quad[i + 1];
+ ring->next_to_fill++;
+ }
+
+ if (desc->quad_cnt & 1)
+ ring->desc[ring_index + 1] = 0;
+}
+
+static void pasemi_ring_incr(struct pasemi_softc *sc, int chan_index, int incr)
+{
+ out_le32(sc->dma_regs + PAS_DMA_TXCHAN_INCR(sc->base_chan + chan_index),
+ incr);
+}
+
+/*
+ * Generate a new software session.
+ */
+static int
+pasemi_newsession(device_t dev, u_int32_t *sidp, struct cryptoini *cri)
+{
+ struct cryptoini *c, *encini = NULL, *macini = NULL;
+ struct pasemi_softc *sc = device_get_softc(dev);
+ struct pasemi_session *ses = NULL, **sespp;
+ int sesn, blksz = 0;
+ u64 ccmd = 0;
+ unsigned long flags;
+ struct pasemi_desc init_desc;
+ struct pasemi_fnu_txring *txring;
+
+ DPRINTF("%s()\n", __FUNCTION__);
+ if (sidp == NULL || cri == NULL || sc == NULL) {
+ DPRINTF("%s,%d - EINVAL\n", __FILE__, __LINE__);
+ return -EINVAL;
+ }
+ for (c = cri; c != NULL; c = c->cri_next) {
+ if (ALG_IS_SIG(c->cri_alg)) {
+ if (macini)
+ return -EINVAL;
+ macini = c;
+ } else if (ALG_IS_CIPHER(c->cri_alg)) {
+ if (encini)
+ return -EINVAL;
+ encini = c;
+ } else {
+ DPRINTF("UNKNOWN c->cri_alg %d\n", c->cri_alg);
+ return -EINVAL;
+ }
+ }
+ if (encini == NULL && macini == NULL)
+ return -EINVAL;
+ if (encini) {
+ /* validate key length */
+ switch (encini->cri_alg) {
+ case CRYPTO_DES_CBC:
+ if (encini->cri_klen != 64)
+ return -EINVAL;
+ ccmd = DMA_CALGO_DES;
+ break;
+ case CRYPTO_3DES_CBC:
+ if (encini->cri_klen != 192)
+ return -EINVAL;
+ ccmd = DMA_CALGO_3DES;
+ break;
+ case CRYPTO_AES_CBC:
+ if (encini->cri_klen != 128 &&
+ encini->cri_klen != 192 &&
+ encini->cri_klen != 256)
+ return -EINVAL;
+ ccmd = DMA_CALGO_AES;
+ break;
+ case CRYPTO_ARC4:
+ if (encini->cri_klen != 128)
+ return -EINVAL;
+ ccmd = DMA_CALGO_ARC;
+ break;
+ default:
+ DPRINTF("UNKNOWN encini->cri_alg %d\n",
+ encini->cri_alg);
+ return -EINVAL;
+ }
+ }
+
+ if (macini) {
+ switch (macini->cri_alg) {
+ case CRYPTO_MD5:
+ case CRYPTO_MD5_HMAC:
+ blksz = 16;
+ break;
+ case CRYPTO_SHA1:
+ case CRYPTO_SHA1_HMAC:
+ blksz = 20;
+ break;
+ default:
+ DPRINTF("UNKNOWN macini->cri_alg %d\n",
+ macini->cri_alg);
+ return -EINVAL;
+ }
+ if (((macini->cri_klen + 7) / 8) > blksz) {
+ DPRINTF("key length %d bigger than blksize %d not supported\n",
+ ((macini->cri_klen + 7) / 8), blksz);
+ return -EINVAL;
+ }
+ }
+
+ for (sesn = 0; sesn < sc->sc_nsessions; sesn++) {
+ if (sc->sc_sessions[sesn] == NULL) {
+ sc->sc_sessions[sesn] = (struct pasemi_session *)
+ kzalloc(sizeof(struct pasemi_session), GFP_ATOMIC);
+ ses = sc->sc_sessions[sesn];
+ break;
+ } else if (sc->sc_sessions[sesn]->used == 0) {
+ ses = sc->sc_sessions[sesn];
+ break;
+ }
+ }
+
+ if (ses == NULL) {
+ sespp = (struct pasemi_session **)
+ kzalloc(sc->sc_nsessions * 2 *
+ sizeof(struct pasemi_session *), GFP_ATOMIC);
+ if (sespp == NULL)
+ return -ENOMEM;
+ memcpy(sespp, sc->sc_sessions,
+ sc->sc_nsessions * sizeof(struct pasemi_session *));
+ kfree(sc->sc_sessions);
+ sc->sc_sessions = sespp;
+ sesn = sc->sc_nsessions;
+ ses = sc->sc_sessions[sesn] = (struct pasemi_session *)
+ kzalloc(sizeof(struct pasemi_session), GFP_ATOMIC);
+ if (ses == NULL)
+ return -ENOMEM;
+ sc->sc_nsessions *= 2;
+ }
+
+ ses->used = 1;
+
+ ses->dma_addr = pci_map_single(sc->dma_pdev, (void *) ses->civ,
+ sizeof(struct pasemi_session), DMA_TO_DEVICE);
+
+ /* enter the channel scheduler */
+ spin_lock_irqsave(&sc->sc_chnlock, flags);
+
+ /* ARC4 has to be processed by the even channel */
+ if (encini && (encini->cri_alg == CRYPTO_ARC4))
+ ses->chan = sc->sc_lastchn & ~1;
+ else
+ ses->chan = sc->sc_lastchn;
+ sc->sc_lastchn = (sc->sc_lastchn + 1) % sc->sc_num_channels;
+
+ spin_unlock_irqrestore(&sc->sc_chnlock, flags);
+
+ txring = &sc->tx[ses->chan];
+
+ if (encini) {
+ ses->ccmd = ccmd;
+ ses->keysz = (encini->cri_klen - 63) / 64;
+ memcpy(ses->key, encini->cri_key, (ses->keysz + 1) * 8);
+
+ pasemi_desc_start(&init_desc,
+ XCT_CTRL_HDR(ses->chan, (encini && macini) ? 0x68 : 0x40, DMA_FN_CIV0));
+ pasemi_desc_build(&init_desc,
+ XCT_FUN_SRC_PTR((encini && macini) ? 0x68 : 0x40, ses->dma_addr));
+ }
+ if (macini) {
+ if (macini->cri_alg == CRYPTO_MD5_HMAC ||
+ macini->cri_alg == CRYPTO_SHA1_HMAC)
+ memcpy(ses->hkey, macini->cri_key, blksz);
+ else {
+ /* Load initialization constants(RFC 1321, 3174) */
+ ses->hiv[0] = 0x67452301efcdab89ULL;
+ ses->hiv[1] = 0x98badcfe10325476ULL;
+ ses->hiv[2] = 0xc3d2e1f000000000ULL;
+ }
+ ses->hseq = 0ULL;
+ }
+
+ spin_lock_irqsave(&txring->fill_lock, flags);
+
+ if (((txring->next_to_fill + pasemi_desc_size(&init_desc)) -
+ txring->next_to_clean) > TX_RING_SIZE) {
+ spin_unlock_irqrestore(&txring->fill_lock, flags);
+ return ERESTART;
+ }
+
+ if (encini) {
+ pasemi_ring_add_desc(txring, &init_desc, NULL);
+ pasemi_ring_incr(sc, ses->chan,
+ pasemi_desc_size(&init_desc));
+ }
+
+ txring->sesn = sesn;
+ spin_unlock_irqrestore(&txring->fill_lock, flags);
+
+ *sidp = PASEMI_SID(sesn);
+ return 0;
+}
+
+/*
+ * Deallocate a session.
+ */
+static int
+pasemi_freesession(device_t dev, u_int64_t tid)
+{
+ struct pasemi_softc *sc = device_get_softc(dev);
+ int session;
+ u_int32_t sid = ((u_int32_t) tid) & 0xffffffff;
+
+ DPRINTF("%s()\n", __FUNCTION__);
+
+ if (sc == NULL)
+ return -EINVAL;
+ session = PASEMI_SESSION(sid);
+ if (session >= sc->sc_nsessions || !sc->sc_sessions[session])
+ return -EINVAL;
+
+ pci_unmap_single(sc->dma_pdev,
+ sc->sc_sessions[session]->dma_addr,
+ sizeof(struct pasemi_session), DMA_TO_DEVICE);
+ memset(sc->sc_sessions[session], 0,
+ sizeof(struct pasemi_session));
+
+ return 0;
+}
+
+static int
+pasemi_process(device_t dev, struct cryptop *crp, int hint)
+{
+
+ int err = 0, ivsize, srclen = 0, reinit = 0, reinit_size = 0, chsel;
+ struct pasemi_softc *sc = device_get_softc(dev);
+ struct cryptodesc *crd1, *crd2, *maccrd, *enccrd;
+ caddr_t ivp;
+ struct pasemi_desc init_desc, work_desc;
+ struct pasemi_session *ses;
+ struct sk_buff *skb;
+ struct uio *uiop;
+ unsigned long flags;
+ struct pasemi_fnu_txring *txring;
+
+ DPRINTF("%s()\n", __FUNCTION__);
+
+ if (crp == NULL || crp->crp_callback == NULL || sc == NULL)
+ return -EINVAL;
+
+ crp->crp_etype = 0;
+ if (PASEMI_SESSION(crp->crp_sid) >= sc->sc_nsessions)
+ return -EINVAL;
+
+ ses = sc->sc_sessions[PASEMI_SESSION(crp->crp_sid)];
+
+ crd1 = crp->crp_desc;
+ if (crd1 == NULL) {
+ err = -EINVAL;
+ goto errout;
+ }
+ crd2 = crd1->crd_next;
+
+ if (ALG_IS_SIG(crd1->crd_alg)) {
+ maccrd = crd1;
+ if (crd2 == NULL)
+ enccrd = NULL;
+ else if (ALG_IS_CIPHER(crd2->crd_alg) &&
+ (crd2->crd_flags & CRD_F_ENCRYPT) == 0)
+ enccrd = crd2;
+ else
+ goto erralg;
+ } else if (ALG_IS_CIPHER(crd1->crd_alg)) {
+ enccrd = crd1;
+ if (crd2 == NULL)
+ maccrd = NULL;
+ else if (ALG_IS_SIG(crd2->crd_alg) &&
+ (crd1->crd_flags & CRD_F_ENCRYPT))
+ maccrd = crd2;
+ else
+ goto erralg;
+ } else
+ goto erralg;
+
+ chsel = ses->chan;
+
+ txring = &sc->tx[chsel];
+
+ if (enccrd && !maccrd) {
+ if (enccrd->crd_alg == CRYPTO_ARC4)
+ reinit = 1;
+ reinit_size = 0x40;
+ srclen = crp->crp_ilen;
+
+ pasemi_desc_start(&work_desc, XCT_FUN_O | XCT_FUN_I
+ | XCT_FUN_FUN(chsel));
+ if (enccrd->crd_flags & CRD_F_ENCRYPT)
+ pasemi_desc_hdr(&work_desc, XCT_FUN_CRM_ENC);
+ else
+ pasemi_desc_hdr(&work_desc, XCT_FUN_CRM_DEC);
+ } else if (enccrd && maccrd) {
+ if (enccrd->crd_alg == CRYPTO_ARC4)
+ reinit = 1;
+ reinit_size = 0x68;
+
+ if (enccrd->crd_flags & CRD_F_ENCRYPT) {
+ /* Encrypt -> Authenticate */
+ pasemi_desc_start(&work_desc, XCT_FUN_O | XCT_FUN_I | XCT_FUN_CRM_ENC_SIG
+ | XCT_FUN_A | XCT_FUN_FUN(chsel));
+ srclen = maccrd->crd_skip + maccrd->crd_len;
+ } else {
+ /* Authenticate -> Decrypt */
+ pasemi_desc_start(&work_desc, XCT_FUN_O | XCT_FUN_I | XCT_FUN_CRM_SIG_DEC
+ | XCT_FUN_24BRES | XCT_FUN_FUN(chsel));
+ pasemi_desc_build(&work_desc, 0);
+ pasemi_desc_build(&work_desc, 0);
+ pasemi_desc_build(&work_desc, 0);
+ work_desc.postop = PASEMI_CHECK_SIG;
+ srclen = crp->crp_ilen;
+ }
+
+ pasemi_desc_hdr(&work_desc, XCT_FUN_SHL(maccrd->crd_skip / 4));
+ pasemi_desc_hdr(&work_desc, XCT_FUN_CHL(enccrd->crd_skip - maccrd->crd_skip));
+ } else if (!enccrd && maccrd) {
+ srclen = maccrd->crd_len;
+
+ pasemi_desc_start(&init_desc,
+ XCT_CTRL_HDR(chsel, 0x58, DMA_FN_HKEY0));
+ pasemi_desc_build(&init_desc,
+ XCT_FUN_SRC_PTR(0x58, ((struct pasemi_session *)ses->dma_addr)->hkey));
+
+ pasemi_desc_start(&work_desc, XCT_FUN_O | XCT_FUN_I | XCT_FUN_CRM_SIG
+ | XCT_FUN_A | XCT_FUN_FUN(chsel));
+ }
+
+ if (enccrd) {
+ switch (enccrd->crd_alg) {
+ case CRYPTO_3DES_CBC:
+ pasemi_desc_hdr(&work_desc, XCT_FUN_ALG_3DES |
+ XCT_FUN_BCM_CBC);
+ ivsize = sizeof(u64);
+ break;
+ case CRYPTO_DES_CBC:
+ pasemi_desc_hdr(&work_desc, XCT_FUN_ALG_DES |
+ XCT_FUN_BCM_CBC);
+ ivsize = sizeof(u64);
+ break;
+ case CRYPTO_AES_CBC:
+ pasemi_desc_hdr(&work_desc, XCT_FUN_ALG_AES |
+ XCT_FUN_BCM_CBC);
+ ivsize = 2 * sizeof(u64);
+ break;
+ case CRYPTO_ARC4:
+ pasemi_desc_hdr(&work_desc, XCT_FUN_ALG_ARC);
+ ivsize = 0;
+ break;
+ default:
+ printk(DRV_NAME ": unimplemented enccrd->crd_alg %d\n",
+ enccrd->crd_alg);
+ err = -EINVAL;
+ goto errout;
+ }
+
+ ivp = (ivsize == sizeof(u64)) ? (caddr_t) &ses->civ[1] : (caddr_t) &ses->civ[0];
+ if (enccrd->crd_flags & CRD_F_ENCRYPT) {
+ if (enccrd->crd_flags & CRD_F_IV_EXPLICIT)
+ memcpy(ivp, enccrd->crd_iv, ivsize);
+ else
+ read_random(ivp, ivsize);
+ /* If IV is not present in the buffer already, it has to be copied there */
+ if ((enccrd->crd_flags & CRD_F_IV_PRESENT) == 0)
+ crypto_copyback(crp->crp_flags, crp->crp_buf,
+ enccrd->crd_inject, ivsize, ivp);
+ } else {
+ if (enccrd->crd_flags & CRD_F_IV_EXPLICIT)
+ /* IV is provided expicitly in descriptor */
+ memcpy(ivp, enccrd->crd_iv, ivsize);
+ else
+ /* IV is provided in the packet */
+ crypto_copydata(crp->crp_flags, crp->crp_buf,
+ enccrd->crd_inject, ivsize,
+ ivp);
+ }
+ }
+
+ if (maccrd) {
+ switch (maccrd->crd_alg) {
+ case CRYPTO_MD5:
+ pasemi_desc_hdr(&work_desc, XCT_FUN_SIG_MD5 |
+ XCT_FUN_HSZ((crp->crp_ilen - maccrd->crd_inject) / 4));
+ break;
+ case CRYPTO_SHA1:
+ pasemi_desc_hdr(&work_desc, XCT_FUN_SIG_SHA1 |
+ XCT_FUN_HSZ((crp->crp_ilen - maccrd->crd_inject) / 4));
+ break;
+ case CRYPTO_MD5_HMAC:
+ pasemi_desc_hdr(&work_desc, XCT_FUN_SIG_HMAC_MD5 |
+ XCT_FUN_HSZ((crp->crp_ilen - maccrd->crd_inject) / 4));
+ break;
+ case CRYPTO_SHA1_HMAC:
+ pasemi_desc_hdr(&work_desc, XCT_FUN_SIG_HMAC_SHA1 |
+ XCT_FUN_HSZ((crp->crp_ilen - maccrd->crd_inject) / 4));
+ break;
+ default:
+ printk(DRV_NAME ": unimplemented maccrd->crd_alg %d\n",
+ maccrd->crd_alg);
+ err = -EINVAL;
+ goto errout;
+ }
+ }
+
+ if (crp->crp_flags & CRYPTO_F_SKBUF) {
+ /* using SKB buffers */
+ skb = (struct sk_buff *)crp->crp_buf;
+ if (skb_shinfo(skb)->nr_frags) {
+ printk(DRV_NAME ": skb frags unimplemented\n");
+ err = -EINVAL;
+ goto errout;
+ }
+ pasemi_desc_build(
+ &work_desc,
+ XCT_FUN_DST_PTR(skb->len, pci_map_single(
+ sc->dma_pdev, skb->data,
+ skb->len, DMA_TO_DEVICE)));
+ pasemi_desc_build(
+ &work_desc,
+ XCT_FUN_SRC_PTR(
+ srclen, pci_map_single(
+ sc->dma_pdev, skb->data,
+ srclen, DMA_TO_DEVICE)));
+ pasemi_desc_hdr(&work_desc, XCT_FUN_LLEN(srclen));
+ } else if (crp->crp_flags & CRYPTO_F_IOV) {
+ /* using IOV buffers */
+ uiop = (struct uio *)crp->crp_buf;
+ if (uiop->uio_iovcnt > 1) {
+ printk(DRV_NAME ": iov frags unimplemented\n");
+ err = -EINVAL;
+ goto errout;
+ }
+
+ /* crp_olen is never set; always use crp_ilen */
+ pasemi_desc_build(
+ &work_desc,
+ XCT_FUN_DST_PTR(crp->crp_ilen, pci_map_single(
+ sc->dma_pdev,
+ uiop->uio_iov->iov_base,
+ crp->crp_ilen, DMA_TO_DEVICE)));
+ pasemi_desc_hdr(&work_desc, XCT_FUN_LLEN(srclen));
+
+ pasemi_desc_build(
+ &work_desc,
+ XCT_FUN_SRC_PTR(srclen, pci_map_single(
+ sc->dma_pdev,
+ uiop->uio_iov->iov_base,
+ srclen, DMA_TO_DEVICE)));
+ } else {
+ /* using contig buffers */
+ pasemi_desc_build(
+ &work_desc,
+ XCT_FUN_DST_PTR(crp->crp_ilen, pci_map_single(
+ sc->dma_pdev,
+ crp->crp_buf,
+ crp->crp_ilen, DMA_TO_DEVICE)));
+ pasemi_desc_build(
+ &work_desc,
+ XCT_FUN_SRC_PTR(srclen, pci_map_single(
+ sc->dma_pdev,
+ crp->crp_buf, srclen,
+ DMA_TO_DEVICE)));
+ pasemi_desc_hdr(&work_desc, XCT_FUN_LLEN(srclen));
+ }
+
+ spin_lock_irqsave(&txring->fill_lock, flags);
+
+ if (txring->sesn != PASEMI_SESSION(crp->crp_sid)) {
+ txring->sesn = PASEMI_SESSION(crp->crp_sid);
+ reinit = 1;
+ }
+
+ if (enccrd) {
+ pasemi_desc_start(&init_desc,
+ XCT_CTRL_HDR(chsel, reinit ? reinit_size : 0x10, DMA_FN_CIV0));
+ pasemi_desc_build(&init_desc,
+ XCT_FUN_SRC_PTR(reinit ? reinit_size : 0x10, ses->dma_addr));
+ }
+
+ if (((txring->next_to_fill + pasemi_desc_size(&init_desc) +
+ pasemi_desc_size(&work_desc)) -
+ txring->next_to_clean) > TX_RING_SIZE) {
+ spin_unlock_irqrestore(&txring->fill_lock, flags);
+ err = ERESTART;
+ goto errout;
+ }
+
+ pasemi_ring_add_desc(txring, &init_desc, NULL);
+ pasemi_ring_add_desc(txring, &work_desc, crp);
+
+ pasemi_ring_incr(sc, chsel,
+ pasemi_desc_size(&init_desc) +
+ pasemi_desc_size(&work_desc));
+
+ spin_unlock_irqrestore(&txring->fill_lock, flags);
+
+ mod_timer(&txring->crypto_timer, jiffies + TIMER_INTERVAL);
+
+ return 0;
+
+erralg:
+ printk(DRV_NAME ": unsupported algorithm or algorithm order alg1 %d alg2 %d\n",
+ crd1->crd_alg, crd2->crd_alg);
+ err = -EINVAL;
+
+errout:
+ if (err != ERESTART) {
+ crp->crp_etype = err;
+ crypto_done(crp);
+ }
+ return err;
+}
+
+static int pasemi_clean_tx(struct pasemi_softc *sc, int chan)
+{
+ int i, j, ring_idx;
+ struct pasemi_fnu_txring *ring = &sc->tx[chan];
+ u16 delta_cnt;
+ int flags, loops = 10;
+ int desc_size;
+ struct cryptop *crp;
+
+ spin_lock_irqsave(&ring->clean_lock, flags);
+
+ while ((delta_cnt = (dma_status->tx_sta[sc->base_chan + chan]
+ & PAS_STATUS_PCNT_M) - ring->total_pktcnt)
+ && loops--) {
+
+ for (i = 0; i < delta_cnt; i++) {
+ desc_size = TX_DESC_INFO(ring, ring->next_to_clean).desc_size;
+ crp = TX_DESC_INFO(ring, ring->next_to_clean).cf_crp;
+ if (crp) {
+ ring_idx = 2 * (ring->next_to_clean & (TX_RING_SIZE-1));
+ if (TX_DESC_INFO(ring, ring->next_to_clean).desc_postop & PASEMI_CHECK_SIG) {
+ /* Need to make sure signature matched,
+ * if not - return error */
+ if (!(ring->desc[ring_idx + 1] & (1ULL << 63)))
+ crp->crp_etype = -EINVAL;
+ }
+ crypto_done(TX_DESC_INFO(ring,
+ ring->next_to_clean).cf_crp);
+ TX_DESC_INFO(ring, ring->next_to_clean).cf_crp = NULL;
+ pci_unmap_single(
+ sc->dma_pdev,
+ XCT_PTR_ADDR_LEN(ring->desc[ring_idx + 1]),
+ PCI_DMA_TODEVICE);
+
+ ring->desc[ring_idx] = ring->desc[ring_idx + 1] = 0;
+
+ ring->next_to_clean++;
+ for (j = 1; j < desc_size; j++) {
+ ring_idx = 2 *
+ (ring->next_to_clean &
+ (TX_RING_SIZE-1));
+ pci_unmap_single(
+ sc->dma_pdev,
+ XCT_PTR_ADDR_LEN(ring->desc[ring_idx]),
+ PCI_DMA_TODEVICE);
+ if (ring->desc[ring_idx + 1])
+ pci_unmap_single(
+ sc->dma_pdev,
+ XCT_PTR_ADDR_LEN(
+ ring->desc[
+ ring_idx + 1]),
+ PCI_DMA_TODEVICE);
+ ring->desc[ring_idx] =
+ ring->desc[ring_idx + 1] = 0;
+ ring->next_to_clean++;
+ }
+ } else {
+ for (j = 0; j < desc_size; j++) {
+ ring_idx = 2 * (ring->next_to_clean & (TX_RING_SIZE-1));
+ ring->desc[ring_idx] =
+ ring->desc[ring_idx + 1] = 0;
+ ring->next_to_clean++;
+ }
+ }
+ }
+
+ ring->total_pktcnt += delta_cnt;
+ }
+ spin_unlock_irqrestore(&ring->clean_lock, flags);
+
+ return 0;
+}
+
+static void sweepup_tx(struct pasemi_softc *sc)
+{
+ int i;
+
+ for (i = 0; i < sc->sc_num_channels; i++)
+ pasemi_clean_tx(sc, i);
+}
+
+static irqreturn_t pasemi_intr(int irq, void *arg, struct pt_regs *regs)
+{
+ struct pasemi_softc *sc = arg;
+ unsigned int reg;
+ int chan = irq - sc->base_irq;
+ int chan_index = sc->base_chan + chan;
+ u64 stat = dma_status->tx_sta[chan_index];
+
+ DPRINTF("%s()\n", __FUNCTION__);
+
+ if (!(stat & PAS_STATUS_CAUSE_M))
+ return IRQ_NONE;
+
+ pasemi_clean_tx(sc, chan);
+
+ stat = dma_status->tx_sta[chan_index];
+
+ reg = PAS_IOB_DMA_TXCH_RESET_PINTC |
+ PAS_IOB_DMA_TXCH_RESET_PCNT(sc->tx[chan].total_pktcnt);
+
+ if (stat & PAS_STATUS_SOFT)
+ reg |= PAS_IOB_DMA_RXCH_RESET_SINTC;
+
+ out_le32(sc->iob_regs + PAS_IOB_DMA_TXCH_RESET(chan_index), reg);
+
+
+ return IRQ_HANDLED;
+}
+
+static int pasemi_dma_setup_tx_resources(struct pasemi_softc *sc, int chan)
+{
+ u32 val;
+ int chan_index = chan + sc->base_chan;
+ int ret;
+ struct pasemi_fnu_txring *ring;
+
+ ring = &sc->tx[chan];
+
+ spin_lock_init(&ring->fill_lock);
+ spin_lock_init(&ring->clean_lock);
+
+ ring->desc_info = kzalloc(sizeof(struct pasemi_desc_info) *
+ TX_RING_SIZE, GFP_KERNEL);
+ if (!ring->desc_info)
+ return -ENOMEM;
+
+ /* Allocate descriptors */
+ ring->desc = dma_alloc_coherent(&sc->dma_pdev->dev,
+ TX_RING_SIZE *
+ 2 * sizeof(u64),
+ &ring->dma, GFP_KERNEL);
+ if (!ring->desc)
+ return -ENOMEM;
+
+ memset((void *) ring->desc, 0, TX_RING_SIZE * 2 * sizeof(u64));
+
+ out_le32(sc->iob_regs + PAS_IOB_DMA_TXCH_RESET(chan_index), 0x30);
+
+ ring->total_pktcnt = 0;
+
+ out_le32(sc->dma_regs + PAS_DMA_TXCHAN_BASEL(chan_index),
+ PAS_DMA_TXCHAN_BASEL_BRBL(ring->dma));
+
+ val = PAS_DMA_TXCHAN_BASEU_BRBH(ring->dma >> 32);
+ val |= PAS_DMA_TXCHAN_BASEU_SIZ(TX_RING_SIZE >> 2);
+
+ out_le32(sc->dma_regs + PAS_DMA_TXCHAN_BASEU(chan_index), val);
+
+ out_le32(sc->dma_regs + PAS_DMA_TXCHAN_CFG(chan_index),
+ PAS_DMA_TXCHAN_CFG_TY_FUNC |
+ PAS_DMA_TXCHAN_CFG_TATTR(chan) |
+ PAS_DMA_TXCHAN_CFG_WT(2));
+
+ /* enable tx channel */
+ out_le32(sc->dma_regs +
+ PAS_DMA_TXCHAN_TCMDSTA(chan_index),
+ PAS_DMA_TXCHAN_TCMDSTA_EN);
+
+ out_le32(sc->iob_regs + PAS_IOB_DMA_TXCH_CFG(chan_index),
+ PAS_IOB_DMA_TXCH_CFG_CNTTH(1000));
+
+ ring->next_to_fill = 0;
+ ring->next_to_clean = 0;
+
+ snprintf(ring->irq_name, sizeof(ring->irq_name),
+ "%s%d", "crypto", chan);
+
+ ring->irq = irq_create_mapping(NULL, sc->base_irq + chan);
+ ret = request_irq(ring->irq, (irq_handler_t)
+ pasemi_intr, IRQF_DISABLED, ring->irq_name, sc);
+ if (ret) {
+ printk(KERN_ERR DRV_NAME ": failed to hook irq %d ret %d\n",
+ ring->irq, ret);
+ ring->irq = -1;
+ return ret;
+ }
+
+ setup_timer(&ring->crypto_timer, (void *) sweepup_tx, (unsigned long) sc);
+
+ return 0;
+}
+
+static device_method_t pasemi_methods = {
+ /* crypto device methods */
+ DEVMETHOD(cryptodev_newsession, pasemi_newsession),
+ DEVMETHOD(cryptodev_freesession, pasemi_freesession),
+ DEVMETHOD(cryptodev_process, pasemi_process),
+};
+
+/* Set up the crypto device structure, private data,
+ * and anything else we need before we start */
+
+static int __devinit
+pasemi_dma_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
+{
+ struct pasemi_softc *sc;
+ int ret, i;
+
+ DPRINTF(KERN_ERR "%s()\n", __FUNCTION__);
+
+ sc = kzalloc(sizeof(*sc), GFP_KERNEL);
+ if (!sc)
+ return -ENOMEM;
+
+ softc_device_init(sc, DRV_NAME, 1, pasemi_methods);
+
+ pci_set_drvdata(pdev, sc);
+
+ spin_lock_init(&sc->sc_chnlock);
+
+ sc->sc_sessions = (struct pasemi_session **)
+ kzalloc(PASEMI_INITIAL_SESSIONS *
+ sizeof(struct pasemi_session *), GFP_ATOMIC);
+ if (sc->sc_sessions == NULL) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ sc->sc_nsessions = PASEMI_INITIAL_SESSIONS;
+ sc->sc_lastchn = 0;
+ sc->base_irq = pdev->irq + 6;
+ sc->base_chan = 6;
+ sc->sc_cid = -1;
+ sc->dma_pdev = pdev;
+
+ sc->iob_pdev = pci_get_device(PCI_VENDOR_ID_PASEMI, 0xa001, NULL);
+ if (!sc->iob_pdev) {
+ dev_err(&pdev->dev, "Can't find I/O Bridge\n");
+ ret = -ENODEV;
+ goto out;
+ }
+
+ /* This is hardcoded and ugly, but we have some firmware versions
+ * who don't provide the register space in the device tree. Luckily
+ * they are at well-known locations so we can just do the math here.
+ */
+ sc->dma_regs =
+ ioremap(0xe0000000 + (sc->dma_pdev->devfn << 12), 0x2000);
+ sc->iob_regs =
+ ioremap(0xe0000000 + (sc->iob_pdev->devfn << 12), 0x2000);
+ if (!sc->dma_regs || !sc->iob_regs) {
+ dev_err(&pdev->dev, "Can't map registers\n");
+ ret = -ENODEV;
+ goto out;
+ }
+
+ dma_status = __ioremap(0xfd800000, 0x1000, 0);
+ if (!dma_status) {
+ ret = -ENODEV;
+ dev_err(&pdev->dev, "Can't map dmastatus space\n");
+ goto out;
+ }
+
+ sc->tx = (struct pasemi_fnu_txring *)
+ kzalloc(sizeof(struct pasemi_fnu_txring)
+ * 8, GFP_KERNEL);
+ if (!sc->tx) {
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ /* Initialize the h/w */
+ out_le32(sc->dma_regs + PAS_DMA_COM_CFG,
+ (in_le32(sc->dma_regs + PAS_DMA_COM_CFG) |
+ PAS_DMA_COM_CFG_FWF));
+ out_le32(sc->dma_regs + PAS_DMA_COM_TXCMD, PAS_DMA_COM_TXCMD_EN);
+
+ for (i = 0; i < PASEMI_FNU_CHANNELS; i++) {
+ sc->sc_num_channels++;
+ ret = pasemi_dma_setup_tx_resources(sc, i);
+ if (ret)
+ goto out;
+ }
+
+ sc->sc_cid = crypto_get_driverid(softc_get_device(sc),
+ CRYPTOCAP_F_HARDWARE);
+ if (sc->sc_cid < 0) {
+ printk(KERN_ERR DRV_NAME ": could not get crypto driver id\n");
+ ret = -ENXIO;
+ goto out;
+ }
+
+ /* register algorithms with the framework */
+ printk(DRV_NAME ":");
+
+ crypto_register(sc->sc_cid, CRYPTO_DES_CBC, 0, 0);
+ crypto_register(sc->sc_cid, CRYPTO_3DES_CBC, 0, 0);
+ crypto_register(sc->sc_cid, CRYPTO_AES_CBC, 0, 0);
+ crypto_register(sc->sc_cid, CRYPTO_ARC4, 0, 0);
+ crypto_register(sc->sc_cid, CRYPTO_SHA1, 0, 0);
+ crypto_register(sc->sc_cid, CRYPTO_MD5, 0, 0);
+ crypto_register(sc->sc_cid, CRYPTO_SHA1_HMAC, 0, 0);
+ crypto_register(sc->sc_cid, CRYPTO_MD5_HMAC, 0, 0);
+
+ return 0;
+
+out:
+ pasemi_dma_remove(pdev);
+ return ret;
+}
+
+#define MAX_RETRIES 5000
+
+static void pasemi_free_tx_resources(struct pasemi_softc *sc, int chan)
+{
+ struct pasemi_fnu_txring *ring = &sc->tx[chan];
+ int chan_index = chan + sc->base_chan;
+ int retries;
+ u32 stat;
+
+ /* Stop the channel */
+ out_le32(sc->dma_regs +
+ PAS_DMA_TXCHAN_TCMDSTA(chan_index),
+ PAS_DMA_TXCHAN_TCMDSTA_ST);
+
+ for (retries = 0; retries < MAX_RETRIES; retries++) {
+ stat = in_le32(sc->dma_regs +
+ PAS_DMA_TXCHAN_TCMDSTA(chan_index));
+ if (!(stat & PAS_DMA_TXCHAN_TCMDSTA_ACT))
+ break;
+ cond_resched();
+ }
+
+ if (stat & PAS_DMA_TXCHAN_TCMDSTA_ACT)
+ dev_err(&sc->dma_pdev->dev, "Failed to stop tx channel %d\n",
+ chan_index);
+
+ /* Disable the channel */
+ out_le32(sc->dma_regs +
+ PAS_DMA_TXCHAN_TCMDSTA(chan_index),
+ 0);
+
+ if (ring->desc_info)
+ kfree((void *) ring->desc_info);
+ if (ring->desc)
+ dma_free_coherent(&sc->dma_pdev->dev,
+ TX_RING_SIZE *
+ 2 * sizeof(u64),
+ (void *) ring->desc, ring->dma);
+ if (ring->irq != -1)
+ free_irq(ring->irq, sc);
+
+ del_timer(&ring->crypto_timer);
+}
+
+static void __devexit pasemi_dma_remove(struct pci_dev *pdev)
+{
+ struct pasemi_softc *sc = pci_get_drvdata(pdev);
+ int i;
+
+ DPRINTF("%s()\n", __FUNCTION__);
+
+ if (sc->sc_cid >= 0) {
+ crypto_unregister_all(sc->sc_cid);
+ }
+
+ if (sc->tx) {
+ for (i = 0; i < sc->sc_num_channels; i++)
+ pasemi_free_tx_resources(sc, i);
+
+ kfree(sc->tx);
+ }
+ if (sc->sc_sessions) {
+ for (i = 0; i < sc->sc_nsessions; i++)
+ kfree(sc->sc_sessions[i]);
+ kfree(sc->sc_sessions);
+ }
+ if (sc->iob_pdev)
+ pci_dev_put(sc->iob_pdev);
+ if (sc->dma_regs)
+ iounmap(sc->dma_regs);
+ if (sc->iob_regs)
+ iounmap(sc->iob_regs);
+ kfree(sc);
+}
+
+static struct pci_device_id pasemi_dma_pci_tbl[] = {
+ { PCI_DEVICE(PCI_VENDOR_ID_PASEMI, 0xa007) },
+};
+
+MODULE_DEVICE_TABLE(pci, pasemi_dma_pci_tbl);
+
+static struct pci_driver pasemi_dma_driver = {
+ .name = "pasemi_dma",
+ .id_table = pasemi_dma_pci_tbl,
+ .probe = pasemi_dma_probe,
+ .remove = __devexit_p(pasemi_dma_remove),
+};
+
+static void __exit pasemi_dma_cleanup_module(void)
+{
+ pci_unregister_driver(&pasemi_dma_driver);
+ __iounmap(dma_status);
+ dma_status = NULL;
+}
+
+int pasemi_dma_init_module(void)
+{
+ return pci_register_driver(&pasemi_dma_driver);
+}
+
+module_init(pasemi_dma_init_module);
+module_exit(pasemi_dma_cleanup_module);
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_AUTHOR("Egor Martovetsky egor@pasemi.com");
+MODULE_DESCRIPTION("OCF driver for PA Semi PWRficient DMA Crypto Engine");
diff --git a/target/linux/generic/files/crypto/ocf/pasemi/pasemi_fnu.h b/target/linux/generic/files/crypto/ocf/pasemi/pasemi_fnu.h
new file mode 100644
index 000000000..1a0dcc8bb
--- /dev/null
+++ b/target/linux/generic/files/crypto/ocf/pasemi/pasemi_fnu.h
@@ -0,0 +1,410 @@
+/*
+ * Copyright (C) 2007 PA Semi, Inc
+ *
+ * Driver for the PA Semi PWRficient DMA Crypto Engine, soft state and
+ * hardware register layouts.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef PASEMI_FNU_H
+#define PASEMI_FNU_H
+
+#include <linux/spinlock.h>
+
+#define PASEMI_SESSION(sid) ((sid) & 0xffffffff)
+#define PASEMI_SID(sesn) ((sesn) & 0xffffffff)
+#define DPRINTF(a...) if (debug) { printk(DRV_NAME ": " a); }
+
+/* Must be a power of two */
+#define RX_RING_SIZE 512
+#define TX_RING_SIZE 512
+#define TX_DESC(ring, num) ((ring)->desc[2 * (num & (TX_RING_SIZE-1))])
+#define TX_DESC_INFO(ring, num) ((ring)->desc_info[(num) & (TX_RING_SIZE-1)])
+#define MAX_DESC_SIZE 8
+#define PASEMI_INITIAL_SESSIONS 10
+#define PASEMI_FNU_CHANNELS 8
+
+/* DMA descriptor */
+struct pasemi_desc {
+ u64 quad[2*MAX_DESC_SIZE];
+ int quad_cnt;
+ int size;
+ int postop;
+};
+
+/*
+ * Holds per descriptor data
+ */
+struct pasemi_desc_info {
+ int desc_size;
+ int desc_postop;
+#define PASEMI_CHECK_SIG 0x1
+
+ struct cryptop *cf_crp;
+};
+
+/*
+ * Holds per channel data
+ */
+struct pasemi_fnu_txring {
+ volatile u64 *desc;
+ volatile struct
+ pasemi_desc_info *desc_info;
+ dma_addr_t dma;
+ struct timer_list crypto_timer;
+ spinlock_t fill_lock;
+ spinlock_t clean_lock;
+ unsigned int next_to_fill;
+ unsigned int next_to_clean;
+ u16 total_pktcnt;
+ int irq;
+ int sesn;
+ char irq_name[10];
+};
+
+/*
+ * Holds data specific to a single pasemi device.
+ */
+struct pasemi_softc {
+ softc_device_decl sc_cdev;
+ struct pci_dev *dma_pdev; /* device backpointer */
+ struct pci_dev *iob_pdev; /* device backpointer */
+ void __iomem *dma_regs;
+ void __iomem *iob_regs;
+ int base_irq;
+ int base_chan;
+ int32_t sc_cid; /* crypto tag */
+ int sc_nsessions;
+ struct pasemi_session **sc_sessions;
+ int sc_num_channels;/* number of crypto channels */
+
+ /* pointer to the array of txring datastructures, one txring per channel */
+ struct pasemi_fnu_txring *tx;
+
+ /*
+ * mutual exclusion for the channel scheduler
+ */
+ spinlock_t sc_chnlock;
+ /* last channel used, for now use round-robin to allocate channels */
+ int sc_lastchn;
+};
+
+struct pasemi_session {
+ u64 civ[2];
+ u64 keysz;
+ u64 key[4];
+ u64 ccmd;
+ u64 hkey[4];
+ u64 hseq;
+ u64 giv[2];
+ u64 hiv[4];
+
+ int used;
+ dma_addr_t dma_addr;
+ int chan;
+};
+
+/* status register layout in IOB region, at 0xfd800000 */
+struct pasdma_status {
+ u64 rx_sta[64];
+ u64 tx_sta[20];
+};
+
+#define ALG_IS_CIPHER(alg) ((alg == CRYPTO_DES_CBC) || \
+ (alg == CRYPTO_3DES_CBC) || \
+ (alg == CRYPTO_AES_CBC) || \
+ (alg == CRYPTO_ARC4) || \
+ (alg == CRYPTO_NULL_CBC))
+
+#define ALG_IS_SIG(alg) ((alg == CRYPTO_MD5) || \
+ (alg == CRYPTO_MD5_HMAC) || \
+ (alg == CRYPTO_SHA1) || \
+ (alg == CRYPTO_SHA1_HMAC) || \
+ (alg == CRYPTO_NULL_HMAC))
+
+enum {
+ PAS_DMA_COM_TXCMD = 0x100, /* Transmit Command Register */
+ PAS_DMA_COM_TXSTA = 0x104, /* Transmit Status Register */
+ PAS_DMA_COM_RXCMD = 0x108, /* Receive Command Register */
+ PAS_DMA_COM_RXSTA = 0x10c, /* Receive Status Register */
+ PAS_DMA_COM_CFG = 0x114, /* DMA Configuration Register */
+};
+
+/* All these registers live in the PCI configuration space for the DMA PCI
+ * device. Use the normal PCI config access functions for them.
+ */
+
+#define PAS_DMA_COM_CFG_FWF 0x18000000
+
+#define PAS_DMA_COM_TXCMD_EN 0x00000001 /* enable */
+#define PAS_DMA_COM_TXSTA_ACT 0x00000001 /* active */
+#define PAS_DMA_COM_RXCMD_EN 0x00000001 /* enable */
+#define PAS_DMA_COM_RXSTA_ACT 0x00000001 /* active */
+
+#define _PAS_DMA_TXCHAN_STRIDE 0x20 /* Size per channel */
+#define _PAS_DMA_TXCHAN_TCMDSTA 0x300 /* Command / Status */
+#define _PAS_DMA_TXCHAN_CFG 0x304 /* Configuration */
+#define _PAS_DMA_TXCHAN_DSCRBU 0x308 /* Descriptor BU Allocation */
+#define _PAS_DMA_TXCHAN_INCR 0x310 /* Descriptor increment */
+#define _PAS_DMA_TXCHAN_CNT 0x314 /* Descriptor count/offset */
+#define _PAS_DMA_TXCHAN_BASEL 0x318 /* Descriptor ring base (low) */
+#define _PAS_DMA_TXCHAN_BASEU 0x31c /* (high) */
+#define PAS_DMA_TXCHAN_TCMDSTA(c) (0x300+(c)*_PAS_DMA_TXCHAN_STRIDE)
+#define PAS_DMA_TXCHAN_TCMDSTA_EN 0x00000001 /* Enabled */
+#define PAS_DMA_TXCHAN_TCMDSTA_ST 0x00000002 /* Stop interface */
+#define PAS_DMA_TXCHAN_TCMDSTA_ACT 0x00010000 /* Active */
+#define PAS_DMA_TXCHAN_CFG(c) (0x304+(c)*_PAS_DMA_TXCHAN_STRIDE)
+#define PAS_DMA_TXCHAN_CFG_TY_FUNC 0x00000002 /* Type = interface */
+#define PAS_DMA_TXCHAN_CFG_TY_IFACE 0x00000000 /* Type = interface */
+#define PAS_DMA_TXCHAN_CFG_TATTR_M 0x0000003c
+#define PAS_DMA_TXCHAN_CFG_TATTR_S 2
+#define PAS_DMA_TXCHAN_CFG_TATTR(x) (((x) << PAS_DMA_TXCHAN_CFG_TATTR_S) & \
+ PAS_DMA_TXCHAN_CFG_TATTR_M)
+#define PAS_DMA_TXCHAN_CFG_WT_M 0x000001c0
+#define PAS_DMA_TXCHAN_CFG_WT_S 6
+#define PAS_DMA_TXCHAN_CFG_WT(x) (((x) << PAS_DMA_TXCHAN_CFG_WT_S) & \
+ PAS_DMA_TXCHAN_CFG_WT_M)
+#define PAS_DMA_TXCHAN_CFG_LPSQ_FAST 0x00000400
+#define PAS_DMA_TXCHAN_CFG_LPDQ_FAST 0x00000800
+#define PAS_DMA_TXCHAN_CFG_CF 0x00001000 /* Clean first line */
+#define PAS_DMA_TXCHAN_CFG_CL 0x00002000 /* Clean last line */
+#define PAS_DMA_TXCHAN_CFG_UP 0x00004000 /* update tx descr when sent */
+#define PAS_DMA_TXCHAN_INCR(c) (0x310+(c)*_PAS_DMA_TXCHAN_STRIDE)
+#define PAS_DMA_TXCHAN_BASEL(c) (0x318+(c)*_PAS_DMA_TXCHAN_STRIDE)
+#define PAS_DMA_TXCHAN_BASEL_BRBL_M 0xffffffc0
+#define PAS_DMA_TXCHAN_BASEL_BRBL_S 0
+#define PAS_DMA_TXCHAN_BASEL_BRBL(x) (((x) << PAS_DMA_TXCHAN_BASEL_BRBL_S) & \
+ PAS_DMA_TXCHAN_BASEL_BRBL_M)
+#define PAS_DMA_TXCHAN_BASEU(c) (0x31c+(c)*_PAS_DMA_TXCHAN_STRIDE)
+#define PAS_DMA_TXCHAN_BASEU_BRBH_M 0x00000fff
+#define PAS_DMA_TXCHAN_BASEU_BRBH_S 0
+#define PAS_DMA_TXCHAN_BASEU_BRBH(x) (((x) << PAS_DMA_TXCHAN_BASEU_BRBH_S) & \
+ PAS_DMA_TXCHAN_BASEU_BRBH_M)
+/* # of cache lines worth of buffer ring */
+#define PAS_DMA_TXCHAN_BASEU_SIZ_M 0x3fff0000
+#define PAS_DMA_TXCHAN_BASEU_SIZ_S 16 /* 0 = 16K */
+#define PAS_DMA_TXCHAN_BASEU_SIZ(x) (((x) << PAS_DMA_TXCHAN_BASEU_SIZ_S) & \
+ PAS_DMA_TXCHAN_BASEU_SIZ_M)
+
+#define PAS_STATUS_PCNT_M 0x000000000000ffffull
+#define PAS_STATUS_PCNT_S 0
+#define PAS_STATUS_DCNT_M 0x00000000ffff0000ull
+#define PAS_STATUS_DCNT_S 16
+#define PAS_STATUS_BPCNT_M 0x0000ffff00000000ull
+#define PAS_STATUS_BPCNT_S 32
+#define PAS_STATUS_CAUSE_M 0xf000000000000000ull
+#define PAS_STATUS_TIMER 0x1000000000000000ull
+#define PAS_STATUS_ERROR 0x2000000000000000ull
+#define PAS_STATUS_SOFT 0x4000000000000000ull
+#define PAS_STATUS_INT 0x8000000000000000ull
+
+#define PAS_IOB_DMA_RXCH_CFG(i) (0x1100 + (i)*4)
+#define PAS_IOB_DMA_RXCH_CFG_CNTTH_M 0x00000fff
+#define PAS_IOB_DMA_RXCH_CFG_CNTTH_S 0
+#define PAS_IOB_DMA_RXCH_CFG_CNTTH(x) (((x) << PAS_IOB_DMA_RXCH_CFG_CNTTH_S) & \
+ PAS_IOB_DMA_RXCH_CFG_CNTTH_M)
+#define PAS_IOB_DMA_TXCH_CFG(i) (0x1200 + (i)*4)
+#define PAS_IOB_DMA_TXCH_CFG_CNTTH_M 0x00000fff
+#define PAS_IOB_DMA_TXCH_CFG_CNTTH_S 0
+#define PAS_IOB_DMA_TXCH_CFG_CNTTH(x) (((x) << PAS_IOB_DMA_TXCH_CFG_CNTTH_S) & \
+ PAS_IOB_DMA_TXCH_CFG_CNTTH_M)
+#define PAS_IOB_DMA_RXCH_STAT(i) (0x1300 + (i)*4)
+#define PAS_IOB_DMA_RXCH_STAT_INTGEN 0x00001000
+#define PAS_IOB_DMA_RXCH_STAT_CNTDEL_M 0x00000fff
+#define PAS_IOB_DMA_RXCH_STAT_CNTDEL_S 0
+#define PAS_IOB_DMA_RXCH_STAT_CNTDEL(x) (((x) << PAS_IOB_DMA_RXCH_STAT_CNTDEL_S) &\
+ PAS_IOB_DMA_RXCH_STAT_CNTDEL_M)
+#define PAS_IOB_DMA_TXCH_STAT(i) (0x1400 + (i)*4)
+#define PAS_IOB_DMA_TXCH_STAT_INTGEN 0x00001000
+#define PAS_IOB_DMA_TXCH_STAT_CNTDEL_M 0x00000fff
+#define PAS_IOB_DMA_TXCH_STAT_CNTDEL_S 0
+#define PAS_IOB_DMA_TXCH_STAT_CNTDEL(x) (((x) << PAS_IOB_DMA_TXCH_STAT_CNTDEL_S) &\
+ PAS_IOB_DMA_TXCH_STAT_CNTDEL_M)
+#define PAS_IOB_DMA_RXCH_RESET(i) (0x1500 + (i)*4)
+#define PAS_IOB_DMA_RXCH_RESET_PCNT_M 0xffff0000
+#define PAS_IOB_DMA_RXCH_RESET_PCNT_S 16
+#define PAS_IOB_DMA_RXCH_RESET_PCNT(x) (((x) << PAS_IOB_DMA_RXCH_RESET_PCNT_S) & \
+ PAS_IOB_DMA_RXCH_RESET_PCNT_M)
+#define PAS_IOB_DMA_RXCH_RESET_PCNTRST 0x00000020
+#define PAS_IOB_DMA_RXCH_RESET_DCNTRST 0x00000010
+#define PAS_IOB_DMA_RXCH_RESET_TINTC 0x00000008
+#define PAS_IOB_DMA_RXCH_RESET_DINTC 0x00000004
+#define PAS_IOB_DMA_RXCH_RESET_SINTC 0x00000002
+#define PAS_IOB_DMA_RXCH_RESET_PINTC 0x00000001
+#define PAS_IOB_DMA_TXCH_RESET(i) (0x1600 + (i)*4)
+#define PAS_IOB_DMA_TXCH_RESET_PCNT_M 0xffff0000
+#define PAS_IOB_DMA_TXCH_RESET_PCNT_S 16
+#define PAS_IOB_DMA_TXCH_RESET_PCNT(x) (((x) << PAS_IOB_DMA_TXCH_RESET_PCNT_S) & \
+ PAS_IOB_DMA_TXCH_RESET_PCNT_M)
+#define PAS_IOB_DMA_TXCH_RESET_PCNTRST 0x00000020
+#define PAS_IOB_DMA_TXCH_RESET_DCNTRST 0x00000010
+#define PAS_IOB_DMA_TXCH_RESET_TINTC 0x00000008
+#define PAS_IOB_DMA_TXCH_RESET_DINTC 0x00000004
+#define PAS_IOB_DMA_TXCH_RESET_SINTC 0x00000002
+#define PAS_IOB_DMA_TXCH_RESET_PINTC 0x00000001
+
+#define PAS_IOB_DMA_COM_TIMEOUTCFG 0x1700
+#define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_M 0x00ffffff
+#define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_S 0
+#define PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT(x) (((x) << PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_S) & \
+ PAS_IOB_DMA_COM_TIMEOUTCFG_TCNT_M)
+
+/* Transmit descriptor fields */
+#define XCT_MACTX_T 0x8000000000000000ull
+#define XCT_MACTX_ST 0x4000000000000000ull
+#define XCT_MACTX_NORES 0x0000000000000000ull
+#define XCT_MACTX_8BRES 0x1000000000000000ull
+#define XCT_MACTX_24BRES 0x2000000000000000ull
+#define XCT_MACTX_40BRES 0x3000000000000000ull
+#define XCT_MACTX_I 0x0800000000000000ull
+#define XCT_MACTX_O 0x0400000000000000ull
+#define XCT_MACTX_E 0x0200000000000000ull
+#define XCT_MACTX_VLAN_M 0x0180000000000000ull
+#define XCT_MACTX_VLAN_NOP 0x0000000000000000ull
+#define XCT_MACTX_VLAN_REMOVE 0x0080000000000000ull
+#define XCT_MACTX_VLAN_INSERT 0x0100000000000000ull
+#define XCT_MACTX_VLAN_REPLACE 0x0180000000000000ull
+#define XCT_MACTX_CRC_M 0x0060000000000000ull
+#define XCT_MACTX_CRC_NOP 0x0000000000000000ull
+#define XCT_MACTX_CRC_INSERT 0x0020000000000000ull
+#define XCT_MACTX_CRC_PAD 0x0040000000000000ull
+#define XCT_MACTX_CRC_REPLACE 0x0060000000000000ull
+#define XCT_MACTX_SS 0x0010000000000000ull
+#define XCT_MACTX_LLEN_M 0x00007fff00000000ull
+#define XCT_MACTX_LLEN_S 32ull
+#define XCT_MACTX_LLEN(x) ((((long)(x)) << XCT_MACTX_LLEN_S) & \
+ XCT_MACTX_LLEN_M)
+#define XCT_MACTX_IPH_M 0x00000000f8000000ull
+#define XCT_MACTX_IPH_S 27ull
+#define XCT_MACTX_IPH(x) ((((long)(x)) << XCT_MACTX_IPH_S) & \
+ XCT_MACTX_IPH_M)
+#define XCT_MACTX_IPO_M 0x0000000007c00000ull
+#define XCT_MACTX_IPO_S 22ull
+#define XCT_MACTX_IPO(x) ((((long)(x)) << XCT_MACTX_IPO_S) & \
+ XCT_MACTX_IPO_M)
+#define XCT_MACTX_CSUM_M 0x0000000000000060ull
+#define XCT_MACTX_CSUM_NOP 0x0000000000000000ull
+#define XCT_MACTX_CSUM_TCP 0x0000000000000040ull
+#define XCT_MACTX_CSUM_UDP 0x0000000000000060ull
+#define XCT_MACTX_V6 0x0000000000000010ull
+#define XCT_MACTX_C 0x0000000000000004ull
+#define XCT_MACTX_AL2 0x0000000000000002ull
+
+#define XCT_PTR_T 0x8000000000000000ull
+#define XCT_PTR_LEN_M 0x7ffff00000000000ull
+#define XCT_PTR_LEN_S 44
+#define XCT_PTR_LEN(x) ((((long)(x)) << XCT_PTR_LEN_S) & \
+ XCT_PTR_LEN_M)
+#define XCT_PTR_ADDR_M 0x00000fffffffffffull
+#define XCT_PTR_ADDR_S 0
+#define XCT_PTR_ADDR(x) ((((long)(x)) << XCT_PTR_ADDR_S) & \
+ XCT_PTR_ADDR_M)
+
+/* Function descriptor fields */
+#define XCT_FUN_T 0x8000000000000000ull
+#define XCT_FUN_ST 0x4000000000000000ull
+#define XCT_FUN_NORES 0x0000000000000000ull
+#define XCT_FUN_8BRES 0x1000000000000000ull
+#define XCT_FUN_24BRES 0x2000000000000000ull
+#define XCT_FUN_40BRES 0x3000000000000000ull
+#define XCT_FUN_I 0x0800000000000000ull
+#define XCT_FUN_O 0x0400000000000000ull
+#define XCT_FUN_E 0x0200000000000000ull
+#define XCT_FUN_FUN_S 54
+#define XCT_FUN_FUN_M 0x01c0000000000000ull
+#define XCT_FUN_FUN(num) ((((long)(num)) << XCT_FUN_FUN_S) & \
+ XCT_FUN_FUN_M)
+#define XCT_FUN_CRM_NOP 0x0000000000000000ull
+#define XCT_FUN_CRM_SIG 0x0008000000000000ull
+#define XCT_FUN_CRM_ENC 0x0010000000000000ull
+#define XCT_FUN_CRM_DEC 0x0018000000000000ull
+#define XCT_FUN_CRM_SIG_ENC 0x0020000000000000ull
+#define XCT_FUN_CRM_ENC_SIG 0x0028000000000000ull
+#define XCT_FUN_CRM_SIG_DEC 0x0030000000000000ull
+#define XCT_FUN_CRM_DEC_SIG 0x0038000000000000ull
+#define XCT_FUN_LLEN_M 0x0007ffff00000000ull
+#define XCT_FUN_LLEN_S 32ULL
+#define XCT_FUN_LLEN(x) ((((long)(x)) << XCT_FUN_LLEN_S) & \
+ XCT_FUN_LLEN_M)
+#define XCT_FUN_SHL_M 0x00000000f8000000ull
+#define XCT_FUN_SHL_S 27ull
+#define XCT_FUN_SHL(x) ((((long)(x)) << XCT_FUN_SHL_S) & \
+ XCT_FUN_SHL_M)
+#define XCT_FUN_CHL_M 0x0000000007c00000ull
+#define XCT_FUN_CHL_S 22ull
+#define XCT_FUN_CHL(x) ((((long)(x)) << XCT_FUN_CHL_S) & \
+ XCT_FUN_CHL_M)
+#define XCT_FUN_HSZ_M 0x00000000003c0000ull
+#define XCT_FUN_HSZ_S 18ull
+#define XCT_FUN_HSZ(x) ((((long)(x)) << XCT_FUN_HSZ_S) & \
+ XCT_FUN_HSZ_M)
+#define XCT_FUN_ALG_DES 0x0000000000000000ull
+#define XCT_FUN_ALG_3DES 0x0000000000008000ull
+#define XCT_FUN_ALG_AES 0x0000000000010000ull
+#define XCT_FUN_ALG_ARC 0x0000000000018000ull
+#define XCT_FUN_ALG_KASUMI 0x0000000000020000ull
+#define XCT_FUN_BCM_ECB 0x0000000000000000ull
+#define XCT_FUN_BCM_CBC 0x0000000000001000ull
+#define XCT_FUN_BCM_CFB 0x0000000000002000ull
+#define XCT_FUN_BCM_OFB 0x0000000000003000ull
+#define XCT_FUN_BCM_CNT 0x0000000000003800ull
+#define XCT_FUN_BCM_KAS_F8 0x0000000000002800ull
+#define XCT_FUN_BCM_KAS_F9 0x0000000000001800ull
+#define XCT_FUN_BCP_NO_PAD 0x0000000000000000ull
+#define XCT_FUN_BCP_ZRO 0x0000000000000200ull
+#define XCT_FUN_BCP_PL 0x0000000000000400ull
+#define XCT_FUN_BCP_INCR 0x0000000000000600ull
+#define XCT_FUN_SIG_MD5 (0ull << 4)
+#define XCT_FUN_SIG_SHA1 (2ull << 4)
+#define XCT_FUN_SIG_HMAC_MD5 (8ull << 4)
+#define XCT_FUN_SIG_HMAC_SHA1 (10ull << 4)
+#define XCT_FUN_A 0x0000000000000008ull
+#define XCT_FUN_C 0x0000000000000004ull
+#define XCT_FUN_AL2 0x0000000000000002ull
+#define XCT_FUN_SE 0x0000000000000001ull
+
+#define XCT_FUN_SRC_PTR(len, addr) (XCT_PTR_LEN(len) | XCT_PTR_ADDR(addr))
+#define XCT_FUN_DST_PTR(len, addr) (XCT_FUN_SRC_PTR(len, addr) | \
+ 0x8000000000000000ull)
+
+#define XCT_CTRL_HDR_FUN_NUM_M 0x01c0000000000000ull
+#define XCT_CTRL_HDR_FUN_NUM_S 54
+#define XCT_CTRL_HDR_LEN_M 0x0007ffff00000000ull
+#define XCT_CTRL_HDR_LEN_S 32
+#define XCT_CTRL_HDR_REG_M 0x00000000000000ffull
+#define XCT_CTRL_HDR_REG_S 0
+
+#define XCT_CTRL_HDR(funcN,len,reg) (0x9400000000000000ull | \
+ ((((long)(funcN)) << XCT_CTRL_HDR_FUN_NUM_S) \
+ & XCT_CTRL_HDR_FUN_NUM_M) | \
+ ((((long)(len)) << \
+ XCT_CTRL_HDR_LEN_S) & XCT_CTRL_HDR_LEN_M) | \
+ ((((long)(reg)) << \
+ XCT_CTRL_HDR_REG_S) & XCT_CTRL_HDR_REG_M))
+
+/* Function config command options */
+#define DMA_CALGO_DES 0x00
+#define DMA_CALGO_3DES 0x01
+#define DMA_CALGO_AES 0x02
+#define DMA_CALGO_ARC 0x03
+
+#define DMA_FN_CIV0 0x02
+#define DMA_FN_CIV1 0x03
+#define DMA_FN_HKEY0 0x0a
+
+#define XCT_PTR_ADDR_LEN(ptr) ((ptr) & XCT_PTR_ADDR_M), \
+ (((ptr) & XCT_PTR_LEN_M) >> XCT_PTR_LEN_S)
+
+#endif /* PASEMI_FNU_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-22 11:12:32 +0000