numam-dpdk/drivers/crypto/nitrox/nitrox_sym_reqmgr.c
Nagadheeraj Rottela 678f3eca1d crypto/nitrox: support cipher-only operations
This patch adds cipher only crypto operation support.

Signed-off-by: Nagadheeraj Rottela <rnagadheeraj@marvell.com>
2020-10-14 21:37:24 +02:00

855 lines
20 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(C) 2019 Marvell International Ltd.
*/
#include <rte_crypto.h>
#include <rte_cryptodev.h>
#include <rte_cycles.h>
#include <rte_errno.h>
#include "nitrox_sym_reqmgr.h"
#include "nitrox_logs.h"
#define MAX_SGBUF_CNT 16
#define MAX_SGCOMP_CNT 5
/* SLC_STORE_INFO */
#define MIN_UDD_LEN 16
/* PKT_IN_HDR + SLC_STORE_INFO */
#define FDATA_SIZE 32
/* Base destination port for the solicited requests */
#define SOLICIT_BASE_DPORT 256
#define PENDING_SIG 0xFFFFFFFFFFFFFFFFUL
#define CMD_TIMEOUT 2
struct gphdr {
uint16_t param0;
uint16_t param1;
uint16_t param2;
uint16_t param3;
};
union pkt_instr_hdr {
uint64_t value;
struct {
#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
uint64_t raz_48_63 : 16;
uint64_t g : 1;
uint64_t gsz : 7;
uint64_t ihi : 1;
uint64_t ssz : 7;
uint64_t raz_30_31 : 2;
uint64_t fsz : 6;
uint64_t raz_16_23 : 8;
uint64_t tlen : 16;
#else
uint64_t tlen : 16;
uint64_t raz_16_23 : 8;
uint64_t fsz : 6;
uint64_t raz_30_31 : 2;
uint64_t ssz : 7;
uint64_t ihi : 1;
uint64_t gsz : 7;
uint64_t g : 1;
uint64_t raz_48_63 : 16;
#endif
} s;
};
union pkt_hdr {
uint64_t value[2];
struct {
#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
uint64_t opcode : 8;
uint64_t arg : 8;
uint64_t ctxc : 2;
uint64_t unca : 1;
uint64_t raz_44 : 1;
uint64_t info : 3;
uint64_t destport : 9;
uint64_t unc : 8;
uint64_t raz_19_23 : 5;
uint64_t grp : 3;
uint64_t raz_15 : 1;
uint64_t ctxl : 7;
uint64_t uddl : 8;
#else
uint64_t uddl : 8;
uint64_t ctxl : 7;
uint64_t raz_15 : 1;
uint64_t grp : 3;
uint64_t raz_19_23 : 5;
uint64_t unc : 8;
uint64_t destport : 9;
uint64_t info : 3;
uint64_t raz_44 : 1;
uint64_t unca : 1;
uint64_t ctxc : 2;
uint64_t arg : 8;
uint64_t opcode : 8;
#endif
uint64_t ctxp;
} s;
};
union slc_store_info {
uint64_t value[2];
struct {
#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
uint64_t raz_39_63 : 25;
uint64_t ssz : 7;
uint64_t raz_0_31 : 32;
#else
uint64_t raz_0_31 : 32;
uint64_t ssz : 7;
uint64_t raz_39_63 : 25;
#endif
uint64_t rptr;
} s;
};
struct nps_pkt_instr {
uint64_t dptr0;
union pkt_instr_hdr ih;
union pkt_hdr irh;
union slc_store_info slc;
uint64_t fdata[2];
};
struct resp_hdr {
uint64_t orh;
uint64_t completion;
};
struct nitrox_sglist {
uint16_t len;
uint16_t raz0;
uint32_t raz1;
rte_iova_t iova;
void *virt;
};
struct nitrox_sgcomp {
uint16_t len[4];
uint64_t iova[4];
};
struct nitrox_sgtable {
uint8_t map_bufs_cnt;
uint8_t nr_sgcomp;
uint16_t total_bytes;
struct nitrox_sglist sglist[MAX_SGBUF_CNT];
struct nitrox_sgcomp sgcomp[MAX_SGCOMP_CNT];
};
struct iv {
uint8_t *virt;
rte_iova_t iova;
uint16_t len;
};
struct nitrox_softreq {
struct nitrox_crypto_ctx *ctx;
struct rte_crypto_op *op;
struct gphdr gph;
struct nps_pkt_instr instr;
struct resp_hdr resp;
struct nitrox_sgtable in;
struct nitrox_sgtable out;
struct iv iv;
uint64_t timeout;
rte_iova_t dptr;
rte_iova_t rptr;
rte_iova_t iova;
};
static void
softreq_init(struct nitrox_softreq *sr, rte_iova_t iova)
{
memset(sr, 0, sizeof(*sr));
sr->iova = iova;
}
/*
* 64-Byte Instruction Format
*
* ----------------------
* | DPTR0 | 8 bytes
* ----------------------
* | PKT_IN_INSTR_HDR | 8 bytes
* ----------------------
* | PKT_IN_HDR | 16 bytes
* ----------------------
* | SLC_INFO | 16 bytes
* ----------------------
* | Front data | 16 bytes
* ----------------------
*/
static void
create_se_instr(struct nitrox_softreq *sr, uint8_t qno)
{
struct nitrox_crypto_ctx *ctx = sr->ctx;
rte_iova_t ctx_handle;
/* fill the packet instruction */
/* word 0 */
sr->instr.dptr0 = rte_cpu_to_be_64(sr->dptr);
/* word 1 */
sr->instr.ih.value = 0;
sr->instr.ih.s.g = 1;
sr->instr.ih.s.gsz = sr->in.map_bufs_cnt;
sr->instr.ih.s.ssz = sr->out.map_bufs_cnt;
sr->instr.ih.s.fsz = FDATA_SIZE + sizeof(struct gphdr);
sr->instr.ih.s.tlen = sr->instr.ih.s.fsz + sr->in.total_bytes;
sr->instr.ih.value = rte_cpu_to_be_64(sr->instr.ih.value);
/* word 2 */
sr->instr.irh.value[0] = 0;
sr->instr.irh.s.uddl = MIN_UDD_LEN;
/* context length in 64-bit words */
sr->instr.irh.s.ctxl = RTE_ALIGN_MUL_CEIL(sizeof(ctx->fctx), 8) / 8;
/* offset from solicit base port 256 */
sr->instr.irh.s.destport = SOLICIT_BASE_DPORT + qno;
/* Invalid context cache */
sr->instr.irh.s.ctxc = 0x3;
sr->instr.irh.s.arg = ctx->req_op;
sr->instr.irh.s.opcode = ctx->opcode;
sr->instr.irh.value[0] = rte_cpu_to_be_64(sr->instr.irh.value[0]);
/* word 3 */
ctx_handle = ctx->iova + offsetof(struct nitrox_crypto_ctx, fctx);
sr->instr.irh.s.ctxp = rte_cpu_to_be_64(ctx_handle);
/* word 4 */
sr->instr.slc.value[0] = 0;
sr->instr.slc.s.ssz = sr->out.map_bufs_cnt;
sr->instr.slc.value[0] = rte_cpu_to_be_64(sr->instr.slc.value[0]);
/* word 5 */
sr->instr.slc.s.rptr = rte_cpu_to_be_64(sr->rptr);
/*
* No conversion for front data,
* It goes into payload
* put GP Header in front data
*/
memcpy(&sr->instr.fdata[0], &sr->gph, sizeof(sr->instr.fdata[0]));
sr->instr.fdata[1] = 0;
}
static void
softreq_copy_iv(struct nitrox_softreq *sr, uint8_t salt_size)
{
uint16_t offset = sr->ctx->iv.offset + salt_size;
sr->iv.virt = rte_crypto_op_ctod_offset(sr->op, uint8_t *, offset);
sr->iv.iova = rte_crypto_op_ctophys_offset(sr->op, offset);
sr->iv.len = sr->ctx->iv.length - salt_size;
}
static void
fill_sglist(struct nitrox_sgtable *sgtbl, uint16_t len, rte_iova_t iova,
void *virt)
{
struct nitrox_sglist *sglist = sgtbl->sglist;
uint8_t cnt = sgtbl->map_bufs_cnt;
if (unlikely(!len))
return;
sglist[cnt].len = len;
sglist[cnt].iova = iova;
sglist[cnt].virt = virt;
sgtbl->total_bytes += len;
cnt++;
sgtbl->map_bufs_cnt = cnt;
}
static int
create_sglist_from_mbuf(struct nitrox_sgtable *sgtbl, struct rte_mbuf *mbuf,
uint32_t off, int datalen)
{
struct nitrox_sglist *sglist = sgtbl->sglist;
uint8_t cnt = sgtbl->map_bufs_cnt;
struct rte_mbuf *m;
int mlen;
if (unlikely(datalen <= 0))
return 0;
for (m = mbuf; m && off > rte_pktmbuf_data_len(m); m = m->next)
off -= rte_pktmbuf_data_len(m);
if (unlikely(!m))
return -EIO;
mlen = rte_pktmbuf_data_len(m) - off;
if (datalen <= mlen)
mlen = datalen;
sglist[cnt].len = mlen;
sglist[cnt].iova = rte_pktmbuf_iova_offset(m, off);
sglist[cnt].virt = rte_pktmbuf_mtod_offset(m, uint8_t *, off);
sgtbl->total_bytes += mlen;
cnt++;
datalen -= mlen;
for (m = m->next; m && datalen; m = m->next) {
mlen = rte_pktmbuf_data_len(m) < datalen ?
rte_pktmbuf_data_len(m) : datalen;
sglist[cnt].len = mlen;
sglist[cnt].iova = rte_pktmbuf_iova(m);
sglist[cnt].virt = rte_pktmbuf_mtod(m, uint8_t *);
sgtbl->total_bytes += mlen;
cnt++;
datalen -= mlen;
}
RTE_VERIFY(cnt <= MAX_SGBUF_CNT);
sgtbl->map_bufs_cnt = cnt;
return 0;
}
static void
create_sgcomp(struct nitrox_sgtable *sgtbl)
{
int i, j, nr_sgcomp;
struct nitrox_sgcomp *sgcomp = sgtbl->sgcomp;
struct nitrox_sglist *sglist = sgtbl->sglist;
nr_sgcomp = RTE_ALIGN_MUL_CEIL(sgtbl->map_bufs_cnt, 4) / 4;
sgtbl->nr_sgcomp = nr_sgcomp;
for (i = 0; i < nr_sgcomp; i++, sgcomp++) {
for (j = 0; j < 4; j++, sglist++) {
sgcomp->len[j] = rte_cpu_to_be_16(sglist->len);
sgcomp->iova[j] = rte_cpu_to_be_64(sglist->iova);
}
}
}
static int
create_cipher_inbuf(struct nitrox_softreq *sr)
{
int err;
struct rte_crypto_op *op = sr->op;
fill_sglist(&sr->in, sr->iv.len, sr->iv.iova, sr->iv.virt);
err = create_sglist_from_mbuf(&sr->in, op->sym->m_src,
op->sym->cipher.data.offset,
op->sym->cipher.data.length);
if (unlikely(err))
return err;
create_sgcomp(&sr->in);
sr->dptr = sr->iova + offsetof(struct nitrox_softreq, in.sgcomp);
return 0;
}
static int
create_cipher_outbuf(struct nitrox_softreq *sr)
{
struct rte_crypto_op *op = sr->op;
int err, cnt = 0;
struct rte_mbuf *m_dst = op->sym->m_dst ? op->sym->m_dst :
op->sym->m_src;
sr->resp.orh = PENDING_SIG;
sr->out.sglist[cnt].len = sizeof(sr->resp.orh);
sr->out.sglist[cnt].iova = sr->iova + offsetof(struct nitrox_softreq,
resp.orh);
sr->out.sglist[cnt].virt = &sr->resp.orh;
cnt++;
sr->out.map_bufs_cnt = cnt;
fill_sglist(&sr->out, sr->iv.len, sr->iv.iova, sr->iv.virt);
err = create_sglist_from_mbuf(&sr->out, m_dst,
op->sym->cipher.data.offset,
op->sym->cipher.data.length);
if (unlikely(err))
return err;
cnt = sr->out.map_bufs_cnt;
sr->resp.completion = PENDING_SIG;
sr->out.sglist[cnt].len = sizeof(sr->resp.completion);
sr->out.sglist[cnt].iova = sr->iova + offsetof(struct nitrox_softreq,
resp.completion);
sr->out.sglist[cnt].virt = &sr->resp.completion;
cnt++;
RTE_VERIFY(cnt <= MAX_SGBUF_CNT);
sr->out.map_bufs_cnt = cnt;
create_sgcomp(&sr->out);
sr->rptr = sr->iova + offsetof(struct nitrox_softreq, out.sgcomp);
return 0;
}
static void
create_cipher_gph(uint32_t cryptlen, uint16_t ivlen, struct gphdr *gph)
{
gph->param0 = rte_cpu_to_be_16(cryptlen);
gph->param1 = 0;
gph->param2 = rte_cpu_to_be_16(ivlen);
gph->param3 = 0;
}
static int
process_cipher_data(struct nitrox_softreq *sr)
{
struct rte_crypto_op *op = sr->op;
int err;
softreq_copy_iv(sr, 0);
err = create_cipher_inbuf(sr);
if (unlikely(err))
return err;
err = create_cipher_outbuf(sr);
if (unlikely(err))
return err;
create_cipher_gph(op->sym->cipher.data.length, sr->iv.len, &sr->gph);
return 0;
}
static int
extract_cipher_auth_digest(struct nitrox_softreq *sr,
struct nitrox_sglist *digest)
{
struct rte_crypto_op *op = sr->op;
struct rte_mbuf *mdst = op->sym->m_dst ? op->sym->m_dst :
op->sym->m_src;
if (sr->ctx->req_op == NITROX_OP_DECRYPT &&
unlikely(!op->sym->auth.digest.data))
return -EINVAL;
digest->len = sr->ctx->digest_length;
if (op->sym->auth.digest.data) {
digest->iova = op->sym->auth.digest.phys_addr;
digest->virt = op->sym->auth.digest.data;
return 0;
}
if (unlikely(rte_pktmbuf_data_len(mdst) < op->sym->auth.data.offset +
op->sym->auth.data.length + digest->len))
return -EINVAL;
digest->iova = rte_pktmbuf_iova_offset(mdst,
op->sym->auth.data.offset +
op->sym->auth.data.length);
digest->virt = rte_pktmbuf_mtod_offset(mdst, uint8_t *,
op->sym->auth.data.offset +
op->sym->auth.data.length);
return 0;
}
static int
create_cipher_auth_sglist(struct nitrox_softreq *sr,
struct nitrox_sgtable *sgtbl, struct rte_mbuf *mbuf)
{
struct rte_crypto_op *op = sr->op;
int auth_only_len;
int err;
fill_sglist(sgtbl, sr->iv.len, sr->iv.iova, sr->iv.virt);
auth_only_len = op->sym->auth.data.length - op->sym->cipher.data.length;
if (unlikely(auth_only_len < 0))
return -EINVAL;
if (unlikely(
op->sym->cipher.data.offset + op->sym->cipher.data.length !=
op->sym->auth.data.offset + op->sym->auth.data.length)) {
NITROX_LOG(ERR, "Auth only data after cipher data not supported\n");
return -ENOTSUP;
}
err = create_sglist_from_mbuf(sgtbl, mbuf, op->sym->auth.data.offset,
auth_only_len);
if (unlikely(err))
return err;
err = create_sglist_from_mbuf(sgtbl, mbuf, op->sym->cipher.data.offset,
op->sym->cipher.data.length);
if (unlikely(err))
return err;
return 0;
}
static int
create_combined_sglist(struct nitrox_softreq *sr, struct nitrox_sgtable *sgtbl,
struct rte_mbuf *mbuf)
{
struct rte_crypto_op *op = sr->op;
fill_sglist(sgtbl, sr->iv.len, sr->iv.iova, sr->iv.virt);
fill_sglist(sgtbl, sr->ctx->aad_length, op->sym->aead.aad.phys_addr,
op->sym->aead.aad.data);
return create_sglist_from_mbuf(sgtbl, mbuf, op->sym->cipher.data.offset,
op->sym->cipher.data.length);
}
static int
create_aead_sglist(struct nitrox_softreq *sr, struct nitrox_sgtable *sgtbl,
struct rte_mbuf *mbuf)
{
int err;
switch (sr->ctx->nitrox_chain) {
case NITROX_CHAIN_CIPHER_AUTH:
case NITROX_CHAIN_AUTH_CIPHER:
err = create_cipher_auth_sglist(sr, sgtbl, mbuf);
break;
case NITROX_CHAIN_COMBINED:
err = create_combined_sglist(sr, sgtbl, mbuf);
break;
default:
err = -EINVAL;
break;
}
return err;
}
static int
create_aead_inbuf(struct nitrox_softreq *sr, struct nitrox_sglist *digest)
{
int err;
struct nitrox_crypto_ctx *ctx = sr->ctx;
err = create_aead_sglist(sr, &sr->in, sr->op->sym->m_src);
if (unlikely(err))
return err;
if (ctx->req_op == NITROX_OP_DECRYPT)
fill_sglist(&sr->in, digest->len, digest->iova, digest->virt);
create_sgcomp(&sr->in);
sr->dptr = sr->iova + offsetof(struct nitrox_softreq, in.sgcomp);
return 0;
}
static int
create_aead_oop_outbuf(struct nitrox_softreq *sr, struct nitrox_sglist *digest)
{
int err;
struct nitrox_crypto_ctx *ctx = sr->ctx;
err = create_aead_sglist(sr, &sr->out, sr->op->sym->m_dst);
if (unlikely(err))
return err;
if (ctx->req_op == NITROX_OP_ENCRYPT)
fill_sglist(&sr->out, digest->len, digest->iova, digest->virt);
return 0;
}
static void
create_aead_inplace_outbuf(struct nitrox_softreq *sr,
struct nitrox_sglist *digest)
{
int i, cnt;
struct nitrox_crypto_ctx *ctx = sr->ctx;
cnt = sr->out.map_bufs_cnt;
for (i = 0; i < sr->in.map_bufs_cnt; i++, cnt++) {
sr->out.sglist[cnt].len = sr->in.sglist[i].len;
sr->out.sglist[cnt].iova = sr->in.sglist[i].iova;
sr->out.sglist[cnt].virt = sr->in.sglist[i].virt;
}
sr->out.map_bufs_cnt = cnt;
if (ctx->req_op == NITROX_OP_ENCRYPT) {
fill_sglist(&sr->out, digest->len, digest->iova,
digest->virt);
} else if (ctx->req_op == NITROX_OP_DECRYPT) {
sr->out.map_bufs_cnt--;
}
}
static int
create_aead_outbuf(struct nitrox_softreq *sr, struct nitrox_sglist *digest)
{
struct rte_crypto_op *op = sr->op;
int cnt = 0;
sr->resp.orh = PENDING_SIG;
sr->out.sglist[cnt].len = sizeof(sr->resp.orh);
sr->out.sglist[cnt].iova = sr->iova + offsetof(struct nitrox_softreq,
resp.orh);
sr->out.sglist[cnt].virt = &sr->resp.orh;
cnt++;
sr->out.map_bufs_cnt = cnt;
if (op->sym->m_dst) {
int err;
err = create_aead_oop_outbuf(sr, digest);
if (unlikely(err))
return err;
} else {
create_aead_inplace_outbuf(sr, digest);
}
cnt = sr->out.map_bufs_cnt;
sr->resp.completion = PENDING_SIG;
sr->out.sglist[cnt].len = sizeof(sr->resp.completion);
sr->out.sglist[cnt].iova = sr->iova + offsetof(struct nitrox_softreq,
resp.completion);
sr->out.sglist[cnt].virt = &sr->resp.completion;
cnt++;
RTE_VERIFY(cnt <= MAX_SGBUF_CNT);
sr->out.map_bufs_cnt = cnt;
create_sgcomp(&sr->out);
sr->rptr = sr->iova + offsetof(struct nitrox_softreq, out.sgcomp);
return 0;
}
static void
create_aead_gph(uint32_t cryptlen, uint16_t ivlen, uint32_t authlen,
struct gphdr *gph)
{
int auth_only_len;
union {
struct {
#if RTE_BYTE_ORDER == RTE_BIG_ENDIAN
uint16_t iv_offset : 8;
uint16_t auth_offset : 8;
#else
uint16_t auth_offset : 8;
uint16_t iv_offset : 8;
#endif
};
uint16_t value;
} param3;
gph->param0 = rte_cpu_to_be_16(cryptlen);
gph->param1 = rte_cpu_to_be_16(authlen);
auth_only_len = authlen - cryptlen;
gph->param2 = rte_cpu_to_be_16(ivlen + auth_only_len);
param3.iv_offset = 0;
param3.auth_offset = ivlen;
gph->param3 = rte_cpu_to_be_16(param3.value);
}
static int
process_cipher_auth_data(struct nitrox_softreq *sr)
{
struct rte_crypto_op *op = sr->op;
int err;
struct nitrox_sglist digest;
softreq_copy_iv(sr, 0);
err = extract_cipher_auth_digest(sr, &digest);
if (unlikely(err))
return err;
err = create_aead_inbuf(sr, &digest);
if (unlikely(err))
return err;
err = create_aead_outbuf(sr, &digest);
if (unlikely(err))
return err;
create_aead_gph(op->sym->cipher.data.length, sr->iv.len,
op->sym->auth.data.length, &sr->gph);
return 0;
}
static int
softreq_copy_salt(struct nitrox_softreq *sr)
{
struct nitrox_crypto_ctx *ctx = sr->ctx;
uint8_t *addr;
if (unlikely(ctx->iv.length < AES_GCM_SALT_SIZE)) {
NITROX_LOG(ERR, "Invalid IV length %d\n", ctx->iv.length);
return -EINVAL;
}
addr = rte_crypto_op_ctod_offset(sr->op, uint8_t *, ctx->iv.offset);
if (!memcmp(ctx->salt, addr, AES_GCM_SALT_SIZE))
return 0;
memcpy(ctx->salt, addr, AES_GCM_SALT_SIZE);
memcpy(ctx->fctx.crypto.iv, addr, AES_GCM_SALT_SIZE);
return 0;
}
static int
extract_combined_digest(struct nitrox_softreq *sr, struct nitrox_sglist *digest)
{
struct rte_crypto_op *op = sr->op;
struct rte_mbuf *mdst = op->sym->m_dst ? op->sym->m_dst :
op->sym->m_src;
digest->len = sr->ctx->digest_length;
if (op->sym->aead.digest.data) {
digest->iova = op->sym->aead.digest.phys_addr;
digest->virt = op->sym->aead.digest.data;
return 0;
}
if (unlikely(rte_pktmbuf_data_len(mdst) < op->sym->aead.data.offset +
op->sym->aead.data.length + digest->len))
return -EINVAL;
digest->iova = rte_pktmbuf_iova_offset(mdst,
op->sym->aead.data.offset +
op->sym->aead.data.length);
digest->virt = rte_pktmbuf_mtod_offset(mdst, uint8_t *,
op->sym->aead.data.offset +
op->sym->aead.data.length);
return 0;
}
static int
process_combined_data(struct nitrox_softreq *sr)
{
int err;
struct nitrox_sglist digest;
struct rte_crypto_op *op = sr->op;
err = softreq_copy_salt(sr);
if (unlikely(err))
return err;
softreq_copy_iv(sr, AES_GCM_SALT_SIZE);
err = extract_combined_digest(sr, &digest);
if (unlikely(err))
return err;
err = create_aead_inbuf(sr, &digest);
if (unlikely(err))
return err;
err = create_aead_outbuf(sr, &digest);
if (unlikely(err))
return err;
create_aead_gph(op->sym->aead.data.length, sr->iv.len,
op->sym->aead.data.length + sr->ctx->aad_length,
&sr->gph);
return 0;
}
static int
process_softreq(struct nitrox_softreq *sr)
{
struct nitrox_crypto_ctx *ctx = sr->ctx;
int err = 0;
switch (ctx->nitrox_chain) {
case NITROX_CHAIN_CIPHER_ONLY:
err = process_cipher_data(sr);
break;
case NITROX_CHAIN_CIPHER_AUTH:
case NITROX_CHAIN_AUTH_CIPHER:
err = process_cipher_auth_data(sr);
break;
case NITROX_CHAIN_COMBINED:
err = process_combined_data(sr);
break;
default:
err = -EINVAL;
break;
}
return err;
}
int
nitrox_process_se_req(uint16_t qno, struct rte_crypto_op *op,
struct nitrox_crypto_ctx *ctx,
struct nitrox_softreq *sr)
{
int err;
softreq_init(sr, sr->iova);
sr->ctx = ctx;
sr->op = op;
err = process_softreq(sr);
if (unlikely(err))
return err;
create_se_instr(sr, qno);
sr->timeout = rte_get_timer_cycles() + CMD_TIMEOUT * rte_get_timer_hz();
return 0;
}
int
nitrox_check_se_req(struct nitrox_softreq *sr, struct rte_crypto_op **op)
{
uint64_t cc;
uint64_t orh;
int err;
cc = *(volatile uint64_t *)(&sr->resp.completion);
orh = *(volatile uint64_t *)(&sr->resp.orh);
if (cc != PENDING_SIG)
err = orh & 0xff;
else if ((orh != PENDING_SIG) && (orh & 0xff))
err = orh & 0xff;
else if (rte_get_timer_cycles() >= sr->timeout)
err = 0xff;
else
return -EAGAIN;
if (unlikely(err))
NITROX_LOG(ERR, "Request err 0x%x, orh 0x%"PRIx64"\n", err,
sr->resp.orh);
*op = sr->op;
return err;
}
void *
nitrox_sym_instr_addr(struct nitrox_softreq *sr)
{
return &sr->instr;
}
static void
req_pool_obj_init(__rte_unused struct rte_mempool *mp,
__rte_unused void *opaque, void *obj,
__rte_unused unsigned int obj_idx)
{
softreq_init(obj, rte_mempool_virt2iova(obj));
}
struct rte_mempool *
nitrox_sym_req_pool_create(struct rte_cryptodev *cdev, uint32_t nobjs,
uint16_t qp_id, int socket_id)
{
char softreq_pool_name[RTE_RING_NAMESIZE];
struct rte_mempool *mp;
snprintf(softreq_pool_name, RTE_RING_NAMESIZE, "%s_sr_%d",
cdev->data->name, qp_id);
mp = rte_mempool_create(softreq_pool_name,
RTE_ALIGN_MUL_CEIL(nobjs, 64),
sizeof(struct nitrox_softreq),
64, 0, NULL, NULL, req_pool_obj_init, NULL,
socket_id, 0);
if (unlikely(!mp))
NITROX_LOG(ERR, "Failed to create req pool, qid %d, err %d\n",
qp_id, rte_errno);
return mp;
}
void
nitrox_sym_req_pool_free(struct rte_mempool *mp)
{
rte_mempool_free(mp);
}