+int octeontx_logtype_fpavf;
+int octeontx_logtype_fpavf_mbox;
+
+RTE_INIT(otx_pool_init_log);
+static void
+otx_pool_init_log(void)
+{
+ octeontx_logtype_fpavf = rte_log_register("pmd.mempool.octeontx");
+ if (octeontx_logtype_fpavf >= 0)
+ rte_log_set_level(octeontx_logtype_fpavf, RTE_LOG_NOTICE);
+}
+
+/* lock is taken by caller */
+static int
+octeontx_fpa_gpool_alloc(unsigned int object_size)
+{
+ struct fpavf_res *res = NULL;
+ uint16_t gpool;
+ unsigned int sz128;
+
+ sz128 = FPA_OBJSZ_2_CACHE_LINE(object_size);
+
+ for (gpool = 0; gpool < FPA_VF_MAX; gpool++) {
+
+ /* Skip VF that is not mapped Or _inuse */
+ if ((fpadev.pool[gpool].bar0 == NULL) ||
+ (fpadev.pool[gpool].is_inuse == true))
+ continue;
+
+ res = &fpadev.pool[gpool];
+
+ RTE_ASSERT(res->domain_id != (uint16_t)~0);
+ RTE_ASSERT(res->vf_id != (uint16_t)~0);
+ RTE_ASSERT(res->stack_ln_ptr != 0);
+
+ if (res->sz128 == 0) {
+ res->sz128 = sz128;
+
+ fpavf_log_dbg("gpool %d blk_sz %d\n", gpool, sz128);
+ return gpool;
+ }
+ }
+
+ return -ENOSPC;
+}
+
+/* lock is taken by caller */
+static __rte_always_inline uintptr_t
+octeontx_fpa_gpool2handle(uint16_t gpool)
+{
+ struct fpavf_res *res = NULL;
+
+ RTE_ASSERT(gpool < FPA_VF_MAX);
+
+ res = &fpadev.pool[gpool];
+ return (uintptr_t)res->bar0 | gpool;
+}
+
+static __rte_always_inline bool
+octeontx_fpa_handle_valid(uintptr_t handle)
+{
+ struct fpavf_res *res = NULL;
+ uint8_t gpool;
+ int i;
+ bool ret = false;
+
+ if (unlikely(!handle))
+ return ret;
+
+ /* get the gpool */
+ gpool = octeontx_fpa_bufpool_gpool(handle);
+
+ /* get the bar address */
+ handle &= ~(uint64_t)FPA_GPOOL_MASK;
+ for (i = 0; i < FPA_VF_MAX; i++) {
+ if ((uintptr_t)fpadev.pool[i].bar0 != handle)
+ continue;
+
+ /* validate gpool */
+ if (gpool != i)
+ return false;
+
+ res = &fpadev.pool[i];
+
+ if (res->sz128 == 0 || res->domain_id == (uint16_t)~0 ||
+ res->stack_ln_ptr == 0)
+ ret = false;
+ else
+ ret = true;
+ break;
+ }
+
+ return ret;
+}
+
+static int
+octeontx_fpapf_pool_setup(unsigned int gpool, unsigned int buf_size,
+ signed short buf_offset, unsigned int max_buf_count)
+{
+ void *memptr = NULL;
+ rte_iova_t phys_addr;
+ unsigned int memsz;
+ struct fpavf_res *fpa = NULL;
+ uint64_t reg;
+ struct octeontx_mbox_hdr hdr;
+ struct dcfg_resp resp;
+ struct octeontx_mbox_fpa_cfg cfg;
+ int ret = -1;
+
+ fpa = &fpadev.pool[gpool];
+ memsz = FPA_ROUND_UP(max_buf_count / fpa->stack_ln_ptr, FPA_LN_SIZE) *
+ FPA_LN_SIZE;
+
+ /* Round-up to page size */
+ memsz = (memsz + FPA_PF_PAGE_SZ - 1) & ~(uintptr_t)(FPA_PF_PAGE_SZ-1);
+ memptr = rte_malloc(NULL, memsz, RTE_CACHE_LINE_SIZE);
+ if (memptr == NULL) {
+ ret = -ENOMEM;
+ goto err;
+ }
+
+ /* Configure stack */
+ fpa->pool_stack_base = memptr;
+ phys_addr = rte_malloc_virt2iova(memptr);
+
+ buf_size /= FPA_LN_SIZE;
+
+ /* POOL setup */
+ hdr.coproc = FPA_COPROC;
+ hdr.msg = FPA_CONFIGSET;
+ hdr.vfid = fpa->vf_id;
+ hdr.res_code = 0;
+
+ buf_offset /= FPA_LN_SIZE;
+ reg = POOL_BUF_SIZE(buf_size) | POOL_BUF_OFFSET(buf_offset) |
+ POOL_LTYPE(0x2) | POOL_STYPE(0) | POOL_SET_NAT_ALIGN |
+ POOL_ENA;
+
+ cfg.aid = 0;
+ cfg.pool_cfg = reg;
+ cfg.pool_stack_base = phys_addr;
+ cfg.pool_stack_end = phys_addr + memsz;
+ cfg.aura_cfg = (1 << 9);
+
+ ret = octeontx_mbox_send(&hdr, &cfg,
+ sizeof(struct octeontx_mbox_fpa_cfg),
+ &resp, sizeof(resp));
+ if (ret < 0) {
+ ret = -EACCES;
+ goto err;
+ }
+
+ fpavf_log_dbg(" vfid %d gpool %d aid %d pool_cfg 0x%x pool_stack_base %" PRIx64 " pool_stack_end %" PRIx64" aura_cfg %" PRIx64 "\n",
+ fpa->vf_id, gpool, cfg.aid, (unsigned int)cfg.pool_cfg,
+ cfg.pool_stack_base, cfg.pool_stack_end, cfg.aura_cfg);
+
+ /* Now pool is in_use */
+ fpa->is_inuse = true;
+
+err:
+ if (ret < 0)
+ rte_free(memptr);
+
+ return ret;
+}
+
+static int
+octeontx_fpapf_pool_destroy(unsigned int gpool_index)
+{
+ struct octeontx_mbox_hdr hdr;
+ struct dcfg_resp resp;
+ struct octeontx_mbox_fpa_cfg cfg;
+ struct fpavf_res *fpa = NULL;
+ int ret = -1;
+
+ fpa = &fpadev.pool[gpool_index];
+
+ hdr.coproc = FPA_COPROC;
+ hdr.msg = FPA_CONFIGSET;
+ hdr.vfid = fpa->vf_id;
+ hdr.res_code = 0;
+
+ /* reset and free the pool */
+ cfg.aid = 0;
+ cfg.pool_cfg = 0;
+ cfg.pool_stack_base = 0;
+ cfg.pool_stack_end = 0;
+ cfg.aura_cfg = 0;
+
+ ret = octeontx_mbox_send(&hdr, &cfg,
+ sizeof(struct octeontx_mbox_fpa_cfg),
+ &resp, sizeof(resp));
+ if (ret < 0) {
+ ret = -EACCES;
+ goto err;
+ }
+
+ ret = 0;
+err:
+ /* anycase free pool stack memory */
+ rte_free(fpa->pool_stack_base);
+ fpa->pool_stack_base = NULL;
+ return ret;
+}
+
+static int
+octeontx_fpapf_aura_attach(unsigned int gpool_index)
+{
+ struct octeontx_mbox_hdr hdr;
+ struct dcfg_resp resp;
+ struct octeontx_mbox_fpa_cfg cfg;
+ int ret = 0;
+
+ if (gpool_index >= FPA_MAX_POOL) {
+ ret = -EINVAL;
+ goto err;
+ }
+ hdr.coproc = FPA_COPROC;
+ hdr.msg = FPA_ATTACHAURA;
+ hdr.vfid = gpool_index;
+ hdr.res_code = 0;
+ memset(&cfg, 0x0, sizeof(struct octeontx_mbox_fpa_cfg));
+ cfg.aid = gpool_index; /* gpool is guara */
+
+ ret = octeontx_mbox_send(&hdr, &cfg,
+ sizeof(struct octeontx_mbox_fpa_cfg),
+ &resp, sizeof(resp));
+ if (ret < 0) {
+ fpavf_log_err("Could not attach fpa ");
+ fpavf_log_err("aura %d to pool %d. Err=%d. FuncErr=%d\n",
+ gpool_index, gpool_index, ret, hdr.res_code);
+ ret = -EACCES;
+ goto err;
+ }
+err:
+ return ret;
+}
+
+static int
+octeontx_fpapf_aura_detach(unsigned int gpool_index)
+{
+ struct octeontx_mbox_fpa_cfg cfg = {0};
+ struct octeontx_mbox_hdr hdr = {0};
+ int ret = 0;
+
+ if (gpool_index >= FPA_MAX_POOL) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ cfg.aid = gpool_index; /* gpool is gaura */
+ hdr.coproc = FPA_COPROC;
+ hdr.msg = FPA_DETACHAURA;
+ hdr.vfid = gpool_index;
+ ret = octeontx_mbox_send(&hdr, &cfg, sizeof(cfg), NULL, 0);
+ if (ret < 0) {
+ fpavf_log_err("Couldn't detach FPA aura %d Err=%d FuncErr=%d\n",
+ gpool_index, ret, hdr.res_code);
+ ret = -EINVAL;
+ }
+
+err:
+ return ret;
+}
+
+int
+octeontx_fpavf_pool_set_range(uintptr_t handle, unsigned long memsz,
+ void *memva, uint16_t gpool)
+{
+ uint64_t va_end;
+
+ if (unlikely(!handle))
+ return -ENODEV;
+
+ va_end = (uintptr_t)memva + memsz;
+ va_end &= ~RTE_CACHE_LINE_MASK;
+
+ /* VHPOOL setup */
+ fpavf_write64((uintptr_t)memva,
+ (void *)((uintptr_t)handle +
+ FPA_VF_VHPOOL_START_ADDR(gpool)));
+ fpavf_write64(va_end,
+ (void *)((uintptr_t)handle +
+ FPA_VF_VHPOOL_END_ADDR(gpool)));
+ return 0;
+}
+
+static int
+octeontx_fpapf_start_count(uint16_t gpool_index)
+{
+ int ret = 0;
+ struct octeontx_mbox_hdr hdr = {0};
+
+ if (gpool_index >= FPA_MAX_POOL) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ hdr.coproc = FPA_COPROC;
+ hdr.msg = FPA_START_COUNT;
+ hdr.vfid = gpool_index;
+ ret = octeontx_mbox_send(&hdr, NULL, 0, NULL, 0);
+ if (ret < 0) {
+ fpavf_log_err("Could not start buffer counting for ");
+ fpavf_log_err("FPA pool %d. Err=%d. FuncErr=%d\n",
+ gpool_index, ret, hdr.res_code);
+ ret = -EINVAL;
+ goto err;
+ }
+
+err:
+ return ret;
+}
+
+static __rte_always_inline int
+octeontx_fpavf_free(unsigned int gpool)
+{
+ int ret = 0;
+
+ if (gpool >= FPA_MAX_POOL) {
+ ret = -EINVAL;
+ goto err;
+ }
+
+ /* Pool is free */
+ fpadev.pool[gpool].is_inuse = false;
+
+err:
+ return ret;
+}
+
+static __rte_always_inline int
+octeontx_gpool_free(uint16_t gpool)
+{
+ if (fpadev.pool[gpool].sz128 != 0) {
+ fpadev.pool[gpool].sz128 = 0;
+ return 0;
+ }
+ return -EINVAL;
+}
+
+/*
+ * Return buffer size for a given pool
+ */
+int
+octeontx_fpa_bufpool_block_size(uintptr_t handle)
+{
+ struct fpavf_res *res = NULL;
+ uint8_t gpool;
+
+ if (unlikely(!octeontx_fpa_handle_valid(handle)))
+ return -EINVAL;
+
+ /* get the gpool */
+ gpool = octeontx_fpa_bufpool_gpool(handle);
+ res = &fpadev.pool[gpool];
+ return FPA_CACHE_LINE_2_OBJSZ(res->sz128);
+}
+
+int
+octeontx_fpa_bufpool_free_count(uintptr_t handle)
+{
+ uint64_t cnt, limit, avail;
+ uint8_t gpool;
+ uintptr_t pool_bar;
+
+ if (unlikely(!octeontx_fpa_handle_valid(handle)))
+ return -EINVAL;
+
+ /* get the gpool */
+ gpool = octeontx_fpa_bufpool_gpool(handle);
+
+ /* Get pool bar address from handle */
+ pool_bar = handle & ~(uint64_t)FPA_GPOOL_MASK;
+
+ cnt = fpavf_read64((void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT(gpool)));
+ limit = fpavf_read64((void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT_LIMIT(gpool)));
+
+ avail = fpavf_read64((void *)((uintptr_t)pool_bar +
+ FPA_VF_VHPOOL_AVAILABLE(gpool)));
+
+ return RTE_MIN(avail, (limit - cnt));
+}
+
+uintptr_t
+octeontx_fpa_bufpool_create(unsigned int object_size, unsigned int object_count,
+ unsigned int buf_offset, int node_id)
+{
+ unsigned int gpool;
+ uintptr_t gpool_handle;
+ uintptr_t pool_bar;
+ int res;
+
+ RTE_SET_USED(node_id);
+ RTE_BUILD_BUG_ON(sizeof(struct rte_mbuf) > OCTEONTX_FPAVF_BUF_OFFSET);
+
+ object_size = RTE_CACHE_LINE_ROUNDUP(object_size);
+ if (object_size > FPA_MAX_OBJ_SIZE) {
+ errno = EINVAL;
+ goto error_end;
+ }
+
+ rte_spinlock_lock(&fpadev.lock);
+ res = octeontx_fpa_gpool_alloc(object_size);
+
+ /* Bail if failed */
+ if (unlikely(res < 0)) {
+ errno = res;
+ goto error_unlock;
+ }
+
+ /* get fpavf */
+ gpool = res;
+
+ /* get pool handle */
+ gpool_handle = octeontx_fpa_gpool2handle(gpool);
+ if (!octeontx_fpa_handle_valid(gpool_handle)) {
+ errno = ENOSPC;
+ goto error_gpool_free;
+ }
+
+ /* Get pool bar address from handle */
+ pool_bar = gpool_handle & ~(uint64_t)FPA_GPOOL_MASK;
+
+ res = octeontx_fpapf_pool_setup(gpool, object_size, buf_offset,
+ object_count);
+ if (res < 0) {
+ errno = res;
+ goto error_gpool_free;
+ }
+
+ /* populate AURA fields */
+ res = octeontx_fpapf_aura_attach(gpool);
+ if (res < 0) {
+ errno = res;
+ goto error_pool_destroy;
+ }
+
+ /* Release lock */
+ rte_spinlock_unlock(&fpadev.lock);
+
+ /* populate AURA registers */
+ fpavf_write64(object_count, (void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT(gpool)));
+ fpavf_write64(object_count, (void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT_LIMIT(gpool)));
+ fpavf_write64(object_count + 1, (void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT_THRESHOLD(gpool)));
+
+ octeontx_fpapf_start_count(gpool);
+
+ return gpool_handle;
+
+error_pool_destroy:
+ octeontx_fpavf_free(gpool);
+ octeontx_fpapf_pool_destroy(gpool);
+error_gpool_free:
+ octeontx_gpool_free(gpool);
+error_unlock:
+ rte_spinlock_unlock(&fpadev.lock);
+error_end:
+ return (uintptr_t)NULL;
+}
+
+/*
+ * Destroy a buffer pool.
+ */
+int
+octeontx_fpa_bufpool_destroy(uintptr_t handle, int node_id)
+{
+ void **node, **curr, *head = NULL;
+ uint64_t sz;
+ uint64_t cnt, avail;
+ uint8_t gpool;
+ uintptr_t pool_bar;
+ int ret;
+
+ RTE_SET_USED(node_id);
+
+ /* Wait for all outstanding writes to be committed */
+ rte_smp_wmb();
+
+ if (unlikely(!octeontx_fpa_handle_valid(handle)))
+ return -EINVAL;
+
+ /* get the pool */
+ gpool = octeontx_fpa_bufpool_gpool(handle);
+
+ /* Get pool bar address from handle */
+ pool_bar = handle & ~(uint64_t)FPA_GPOOL_MASK;
+
+ /* Check for no outstanding buffers */
+ cnt = fpavf_read64((void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT(gpool)));
+ if (cnt) {
+ fpavf_log_dbg("buffer exist in pool cnt %" PRId64 "\n", cnt);
+ return -EBUSY;
+ }
+
+ rte_spinlock_lock(&fpadev.lock);
+
+ avail = fpavf_read64((void *)((uintptr_t)pool_bar +
+ FPA_VF_VHPOOL_AVAILABLE(gpool)));
+
+ /* Prepare to empty the entire POOL */
+ fpavf_write64(avail, (void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT_LIMIT(gpool)));
+ fpavf_write64(avail + 1, (void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT_THRESHOLD(gpool)));
+
+ /* Empty the pool */
+ /* Invalidate the POOL */
+ octeontx_gpool_free(gpool);
+
+ /* Process all buffers in the pool */
+ while (avail--) {
+
+ /* Yank a buffer from the pool */
+ node = (void *)(uintptr_t)
+ fpavf_read64((void *)
+ (pool_bar + FPA_VF_VHAURA_OP_ALLOC(gpool)));
+
+ if (node == NULL) {
+ fpavf_log_err("GAURA[%u] missing %" PRIx64 " buf\n",
+ gpool, avail);
+ break;
+ }
+
+ /* Imsert it into an ordered linked list */
+ for (curr = &head; curr[0] != NULL; curr = curr[0]) {
+ if ((uintptr_t)node <= (uintptr_t)curr[0])
+ break;
+ }
+ node[0] = curr[0];
+ curr[0] = node;
+ }
+
+ /* Verify the linked list to be a perfect series */
+ sz = octeontx_fpa_bufpool_block_size(handle) << 7;
+ for (curr = head; curr != NULL && curr[0] != NULL;
+ curr = curr[0]) {
+ if (curr == curr[0] ||
+ ((uintptr_t)curr != ((uintptr_t)curr[0] - sz))) {
+ fpavf_log_err("POOL# %u buf sequence err (%p vs. %p)\n",
+ gpool, curr, curr[0]);
+ }
+ }
+
+ /* Disable pool operation */
+ fpavf_write64(~0ul, (void *)((uintptr_t)pool_bar +
+ FPA_VF_VHPOOL_START_ADDR(gpool)));
+ fpavf_write64(~0ul, (void *)((uintptr_t)pool_bar +
+ FPA_VF_VHPOOL_END_ADDR(gpool)));
+
+ (void)octeontx_fpapf_pool_destroy(gpool);
+
+ /* Deactivate the AURA */
+ fpavf_write64(0, (void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT_LIMIT(gpool)));
+ fpavf_write64(0, (void *)((uintptr_t)pool_bar +
+ FPA_VF_VHAURA_CNT_THRESHOLD(gpool)));
+
+ ret = octeontx_fpapf_aura_detach(gpool);
+ if (ret) {
+ fpavf_log_err("Failed to dettach gaura %u. error code=%d\n",
+ gpool, ret);
+ }
+
+ /* Free VF */
+ (void)octeontx_fpavf_free(gpool);
+
+ rte_spinlock_unlock(&fpadev.lock);
+ return 0;
+}
+