diff options
Diffstat (limited to 'lib/librte_eal/linuxapp/eal/include/exec-env')
3 files changed, 508 insertions, 0 deletions
diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h new file mode 100644 index 00000000..d9707780 --- /dev/null +++ b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_dom0_common.h @@ -0,0 +1,108 @@ +/*- + * This file is provided under a dual BSD/LGPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GNU LESSER GENERAL PUBLIC LICENSE + * + * Copyright(c) 2007-2014 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2.1 of the GNU Lesser General Public License + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * Contact Information: + * Intel Corporation + * + * + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * 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 _RTE_DOM0_COMMON_H_ +#define _RTE_DOM0_COMMON_H_ + +#ifdef __KERNEL__ +#include <linux/if.h> +#endif + +#define DOM0_NAME_MAX 256 +#define DOM0_MM_DEV "/dev/dom0_mm" + +#define DOM0_CONTIG_NUM_ORDER 9 /**< order of 2M */ +#define DOM0_NUM_MEMSEG 512 /**< Maximum nb. of memory segment. */ +#define DOM0_MEMBLOCK_SIZE 0x200000 /**< size of memory block(2M). */ +#define DOM0_CONFIG_MEMSIZE 4096 /**< Maximum config memory size(4G). */ +#define DOM0_NUM_MEMBLOCK (DOM0_CONFIG_MEMSIZE / 2) /**< Maximum nb. of 2M memory block. */ + +#define RTE_DOM0_IOCTL_PREPARE_MEMSEG _IOWR(0, 1 , struct memory_info) +#define RTE_DOM0_IOCTL_ATTACH_TO_MEMSEG _IOWR(0, 2 , char *) +#define RTE_DOM0_IOCTL_GET_NUM_MEMSEG _IOWR(0, 3, int) +#define RTE_DOM0_IOCTL_GET_MEMSEG_INFO _IOWR(0, 4, void *) + +/** + * A structure used to store memory information. + */ +struct memory_info { + char name[DOM0_NAME_MAX]; + uint64_t size; +}; + +/** + * A structure used to store memory segment information. + */ +struct memseg_info { + uint32_t idx; + uint64_t pfn; + uint64_t size; + uint64_t mfn[DOM0_NUM_MEMBLOCK]; +}; + +/** + * A structure used to store memory block information. + */ +struct memblock_info { + uint8_t exchange_flag; + uint8_t used; + uint64_t vir_addr; + uint64_t pfn; + uint64_t mfn; +}; +#endif /* _RTE_DOM0_COMMON_H_ */ diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h new file mode 100644 index 00000000..3dacbff8 --- /dev/null +++ b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h @@ -0,0 +1,228 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * 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 _RTE_INTERRUPTS_H_ +#error "don't include this file directly, please include generic <rte_interrupts.h>" +#endif + +#ifndef _RTE_LINUXAPP_INTERRUPTS_H_ +#define _RTE_LINUXAPP_INTERRUPTS_H_ + +#define RTE_MAX_RXTX_INTR_VEC_ID 32 +#define RTE_INTR_VEC_ZERO_OFFSET 0 +#define RTE_INTR_VEC_RXTX_OFFSET 1 + +enum rte_intr_handle_type { + RTE_INTR_HANDLE_UNKNOWN = 0, + RTE_INTR_HANDLE_UIO, /**< uio device handle */ + RTE_INTR_HANDLE_UIO_INTX, /**< uio generic handle */ + RTE_INTR_HANDLE_VFIO_LEGACY, /**< vfio device handle (legacy) */ + RTE_INTR_HANDLE_VFIO_MSI, /**< vfio device handle (MSI) */ + RTE_INTR_HANDLE_VFIO_MSIX, /**< vfio device handle (MSIX) */ + RTE_INTR_HANDLE_ALARM, /**< alarm handle */ + RTE_INTR_HANDLE_EXT, /**< external handler */ + RTE_INTR_HANDLE_MAX +}; + +#define RTE_INTR_EVENT_ADD 1UL +#define RTE_INTR_EVENT_DEL 2UL + +typedef void (*rte_intr_event_cb_t)(int fd, void *arg); + +struct rte_epoll_data { + uint32_t event; /**< event type */ + void *data; /**< User data */ + rte_intr_event_cb_t cb_fun; /**< IN: callback fun */ + void *cb_arg; /**< IN: callback arg */ +}; + +enum { + RTE_EPOLL_INVALID = 0, + RTE_EPOLL_VALID, + RTE_EPOLL_EXEC, +}; + +/** interrupt epoll event obj, taken by epoll_event.ptr */ +struct rte_epoll_event { + volatile uint32_t status; /**< OUT: event status */ + int fd; /**< OUT: event fd */ + int epfd; /**< OUT: epoll instance the ev associated with */ + struct rte_epoll_data epdata; +}; + +/** Handle for interrupts. */ +struct rte_intr_handle { + union { + int vfio_dev_fd; /**< VFIO device file descriptor */ + int uio_cfg_fd; /**< UIO config file descriptor + for uio_pci_generic */ + }; + int fd; /**< interrupt event file descriptor */ + enum rte_intr_handle_type type; /**< handle type */ + uint32_t max_intr; /**< max interrupt requested */ + uint32_t nb_efd; /**< number of available efd(event fd) */ + int efds[RTE_MAX_RXTX_INTR_VEC_ID]; /**< intr vectors/efds mapping */ + struct rte_epoll_event elist[RTE_MAX_RXTX_INTR_VEC_ID]; + /**< intr vector epoll event */ + int *intr_vec; /**< intr vector number array */ +}; + +#define RTE_EPOLL_PER_THREAD -1 /**< to hint using per thread epfd */ + +/** + * It waits for events on the epoll instance. + * + * @param epfd + * Epoll instance fd on which the caller wait for events. + * @param events + * Memory area contains the events that will be available for the caller. + * @param maxevents + * Up to maxevents are returned, must greater than zero. + * @param timeout + * Specifying a timeout of -1 causes a block indefinitely. + * Specifying a timeout equal to zero cause to return immediately. + * @return + * - On success, returns the number of available event. + * - On failure, a negative value. + */ +int +rte_epoll_wait(int epfd, struct rte_epoll_event *events, + int maxevents, int timeout); + +/** + * It performs control operations on epoll instance referred by the epfd. + * It requests that the operation op be performed for the target fd. + * + * @param epfd + * Epoll instance fd on which the caller perform control operations. + * @param op + * The operation be performed for the target fd. + * @param fd + * The target fd on which the control ops perform. + * @param event + * Describes the object linked to the fd. + * Note: The caller must take care the object deletion after CTL_DEL. + * @return + * - On success, zero. + * - On failure, a negative value. + */ +int +rte_epoll_ctl(int epfd, int op, int fd, + struct rte_epoll_event *event); + +/** + * The function returns the per thread epoll instance. + * + * @return + * epfd the epoll instance referred to. + */ +int +rte_intr_tls_epfd(void); + +/** + * @param intr_handle + * Pointer to the interrupt handle. + * @param epfd + * Epoll instance fd which the intr vector associated to. + * @param op + * The operation be performed for the vector. + * Operation type of {ADD, DEL}. + * @param vec + * RX intr vector number added to the epoll instance wait list. + * @param data + * User raw data. + * @return + * - On success, zero. + * - On failure, a negative value. + */ +int +rte_intr_rx_ctl(struct rte_intr_handle *intr_handle, + int epfd, int op, unsigned int vec, void *data); + +/** + * It enables the packet I/O interrupt event if it's necessary. + * It creates event fd for each interrupt vector when MSIX is used, + * otherwise it multiplexes a single event fd. + * + * @param intr_handle + * Pointer to the interrupt handle. + * @param nb_efd + * Number of interrupt vector trying to enable. + * The value 0 is not allowed. + * @return + * - On success, zero. + * - On failure, a negative value. + */ +int +rte_intr_efd_enable(struct rte_intr_handle *intr_handle, uint32_t nb_efd); + +/** + * It disables the packet I/O interrupt event. + * It deletes registered eventfds and closes the open fds. + * + * @param intr_handle + * Pointer to the interrupt handle. + */ +void +rte_intr_efd_disable(struct rte_intr_handle *intr_handle); + +/** + * The packet I/O interrupt on datapath is enabled or not. + * + * @param intr_handle + * Pointer to the interrupt handle. + */ +int +rte_intr_dp_is_en(struct rte_intr_handle *intr_handle); + +/** + * The interrupt handle instance allows other causes or not. + * Other causes stand for any none packet I/O interrupts. + * + * @param intr_handle + * Pointer to the interrupt handle. + */ +int +rte_intr_allow_others(struct rte_intr_handle *intr_handle); + +/** + * The multiple interrupt vector capability of interrupt handle instance. + * It returns zero if no multiple interrupt vector support. + * + * @param intr_handle + * Pointer to the interrupt handle. + */ +int +rte_intr_cap_multiple(struct rte_intr_handle *intr_handle); + +#endif /* _RTE_LINUXAPP_INTERRUPTS_H_ */ diff --git a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h new file mode 100644 index 00000000..7e5e5984 --- /dev/null +++ b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_kni_common.h @@ -0,0 +1,172 @@ +/*- + * This file is provided under a dual BSD/LGPLv2 license. When using or + * redistributing this file, you may do so under either license. + * + * GNU LESSER GENERAL PUBLIC LICENSE + * + * Copyright(c) 2007-2014 Intel Corporation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of version 2.1 of the GNU Lesser General Public License + * 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. + * + * Contact Information: + * Intel Corporation + * + * + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * 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 _RTE_KNI_COMMON_H_ +#define _RTE_KNI_COMMON_H_ + +#ifdef __KERNEL__ +#include <linux/if.h> +#endif + +/** + * KNI name is part of memzone name. + */ +#define RTE_KNI_NAMESIZE 32 + +#define RTE_CACHE_LINE_MIN_SIZE 64 + +/* + * Request id. + */ +enum rte_kni_req_id { + RTE_KNI_REQ_UNKNOWN = 0, + RTE_KNI_REQ_CHANGE_MTU, + RTE_KNI_REQ_CFG_NETWORK_IF, + RTE_KNI_REQ_MAX, +}; + +/* + * Structure for KNI request. + */ +struct rte_kni_request { + uint32_t req_id; /**< Request id */ + union { + uint32_t new_mtu; /**< New MTU */ + uint8_t if_up; /**< 1: interface up, 0: interface down */ + }; + int32_t result; /**< Result for processing request */ +} __attribute__((__packed__)); + +/* + * Fifo struct mapped in a shared memory. It describes a circular buffer FIFO + * Write and read should wrap around. Fifo is empty when write == read + * Writing should never overwrite the read position + */ +struct rte_kni_fifo { + volatile unsigned write; /**< Next position to be written*/ + volatile unsigned read; /**< Next position to be read */ + unsigned len; /**< Circular buffer length */ + unsigned elem_size; /**< Pointer size - for 32/64 bit OS */ + void * volatile buffer[0]; /**< The buffer contains mbuf pointers */ +}; + +/* + * The kernel image of the rte_mbuf struct, with only the relevant fields. + * Padding is necessary to assure the offsets of these fields + */ +struct rte_kni_mbuf { + void *buf_addr __attribute__((__aligned__(RTE_CACHE_LINE_SIZE))); + char pad0[10]; + uint16_t data_off; /**< Start address of data in segment buffer. */ + char pad1[4]; + uint64_t ol_flags; /**< Offload features. */ + char pad2[4]; + uint32_t pkt_len; /**< Total pkt len: sum of all segment data_len. */ + uint16_t data_len; /**< Amount of data in segment buffer. */ + + /* fields on second cache line */ + char pad3[8] __attribute__((__aligned__(RTE_CACHE_LINE_MIN_SIZE))); + void *pool; + void *next; +}; + +/* + * Struct used to create a KNI device. Passed to the kernel in IOCTL call + */ + +struct rte_kni_device_info { + char name[RTE_KNI_NAMESIZE]; /**< Network device name for KNI */ + + phys_addr_t tx_phys; + phys_addr_t rx_phys; + phys_addr_t alloc_phys; + phys_addr_t free_phys; + + /* Used by Ethtool */ + phys_addr_t req_phys; + phys_addr_t resp_phys; + phys_addr_t sync_phys; + void * sync_va; + + /* mbuf mempool */ + void * mbuf_va; + phys_addr_t mbuf_phys; + + /* PCI info */ + uint16_t vendor_id; /**< Vendor ID or PCI_ANY_ID. */ + uint16_t device_id; /**< Device ID or PCI_ANY_ID. */ + uint8_t bus; /**< Device bus */ + uint8_t devid; /**< Device ID */ + uint8_t function; /**< Device function. */ + + uint16_t group_id; /**< Group ID */ + uint32_t core_id; /**< core ID to bind for kernel thread */ + + uint8_t force_bind : 1; /**< Flag for kernel thread binding */ + + /* mbuf size */ + unsigned mbuf_size; +}; + +#define KNI_DEVICE "kni" + +#define RTE_KNI_IOCTL_TEST _IOWR(0, 1, int) +#define RTE_KNI_IOCTL_CREATE _IOWR(0, 2, struct rte_kni_device_info) +#define RTE_KNI_IOCTL_RELEASE _IOWR(0, 3, struct rte_kni_device_info) + +#endif /* _RTE_KNI_COMMON_H_ */ |