From 19fcec84d8d7d21e796c7624e521b60d28ee21ed Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:45:59 +0200 Subject: Adding upstream version 16.2.11+ds. Signed-off-by: Daniel Baumann --- src/spdk/lib/env_dpdk/env_internal.h | 98 ++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 src/spdk/lib/env_dpdk/env_internal.h (limited to 'src/spdk/lib/env_dpdk/env_internal.h') diff --git a/src/spdk/lib/env_dpdk/env_internal.h b/src/spdk/lib/env_dpdk/env_internal.h new file mode 100644 index 000000000..c7900d9d3 --- /dev/null +++ b/src/spdk/lib/env_dpdk/env_internal.h @@ -0,0 +1,98 @@ +/*- + * BSD LICENSE + * + * Copyright (c) Intel Corporation. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef SPDK_ENV_INTERNAL_H +#define SPDK_ENV_INTERNAL_H + +#include "spdk/stdinc.h" + +#include "spdk/env.h" + +#include +#include +#include +#include +#include +#include +#include + +#if RTE_VERSION < RTE_VERSION_NUM(18, 11, 0, 0) +#error RTE_VERSION is too old! Minimum 18.11 is required. +#endif + +/* x86-64 and ARM userspace virtual addresses use only the low 48 bits [0..47], + * which is enough to cover 256 TB. + */ +#define SHIFT_256TB 48 /* (1 << 48) == 256 TB */ +#define MASK_256TB ((1ULL << SHIFT_256TB) - 1) + +#define SHIFT_1GB 30 /* (1 << 30) == 1 GB */ +#define MASK_1GB ((1ULL << SHIFT_1GB) - 1) + +#define SPDK_PCI_DRIVER_MAX_NAME_LEN 32 +struct spdk_pci_driver { + struct rte_pci_driver driver; + + const char *name; + const struct spdk_pci_id *id_table; + uint32_t drv_flags; + + spdk_pci_enum_cb cb_fn; + void *cb_arg; + TAILQ_ENTRY(spdk_pci_driver) tailq; +}; + +int pci_device_init(struct rte_pci_driver *driver, struct rte_pci_device *device); +int pci_device_fini(struct rte_pci_device *device); + +void pci_env_init(void); +void pci_env_reinit(void); +void pci_env_fini(void); +int mem_map_init(bool legacy_mem); +int vtophys_init(void); + +/** + * Report a DMA-capable PCI device to the vtophys translation code. + * Increases the refcount of active DMA-capable devices managed by SPDK. + * This must be called after a `rte_pci_device` is created. + */ +void vtophys_pci_device_added(struct rte_pci_device *pci_device); + +/** + * Report the removal of a DMA-capable PCI device to the vtophys translation code. + * Decreases the refcount of active DMA-capable devices managed by SPDK. + * This must be called before a `rte_pci_device` is destroyed. + */ +void vtophys_pci_device_removed(struct rte_pci_device *pci_device); + +#endif -- cgit v1.2.3