From: Timothy McDaniel <timothy.mcdaniel@intel.com> Cc: dev@dpdk.org, erik.g.carrillo@intel.com, gage.eads@intel.com, harry.van.haaren@intel.com, jerinj@marvell.com Subject: [dpdk-dev] [PATCH v6 07/23] event/dlb: add flexible interface Date: Fri, 23 Oct 2020 13:32:16 -0500 Message-ID: <1603477952-583-8-git-send-email-timothy.mcdaniel@intel.com> (raw) In-Reply-To: <1603477952-583-1-git-send-email-timothy.mcdaniel@intel.com> This commit introduces the flexible interface. This interface allows the core code to operate in PF mode (direct hardware access) or bifurcated mode (hardware configured via kernel driver). This driver currently only supports PF modei, but bifurcated mode will be added in a future patch-set. Note that the flexible interface is not used for data path operations, and thus there are no performance concerns related to the use of function pointers. Signed-off-by: Timothy McDaniel <timothy.mcdaniel@intel.com> --- drivers/event/dlb/dlb.c | 1 + drivers/event/dlb/dlb_iface.c | 27 +++++++++++++++++++++++++++ drivers/event/dlb/dlb_iface.h | 27 +++++++++++++++++++++++++++ drivers/event/dlb/meson.build | 1 + drivers/event/dlb/pf/dlb_pf.c | 1 + 5 files changed, 57 insertions(+) create mode 100644 drivers/event/dlb/dlb_iface.c create mode 100644 drivers/event/dlb/dlb_iface.h diff --git a/drivers/event/dlb/dlb.c b/drivers/event/dlb/dlb.c index 1659f93..8008a50 100644 --- a/drivers/event/dlb/dlb.c +++ b/drivers/event/dlb/dlb.c @@ -33,6 +33,7 @@ #include <rte_eventdev_pmd.h> #include "dlb_priv.h" +#include "dlb_iface.h" #include "dlb_inline_fns.h" /* diff --git a/drivers/event/dlb/dlb_iface.c b/drivers/event/dlb/dlb_iface.c new file mode 100644 index 0000000..dd72120 --- /dev/null +++ b/drivers/event/dlb/dlb_iface.c @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2016-2020 Intel Corporation + */ + +#include <stdint.h> + +#include "dlb_priv.h" + +/* DLB PMD Internal interface function pointers. + * If VDEV (bifurcated PMD), these will resolve to functions that issue ioctls + * serviced by DLB kernel module. + * If PCI (PF PMD), these will be implemented locally in user mode. + */ + +void (*dlb_iface_low_level_io_init)(struct dlb_eventdev *dlb); + +int (*dlb_iface_open)(struct dlb_hw_dev *handle, const char *name); + +int (*dlb_iface_get_device_version)(struct dlb_hw_dev *handle, + uint8_t *revision); + +int (*dlb_iface_get_num_resources)(struct dlb_hw_dev *handle, + struct dlb_get_num_resources_args *rsrcs); + +int (*dlb_iface_get_cq_poll_mode)(struct dlb_hw_dev *handle, + enum dlb_cq_poll_modes *mode); + diff --git a/drivers/event/dlb/dlb_iface.h b/drivers/event/dlb/dlb_iface.h new file mode 100644 index 0000000..416d1b3 --- /dev/null +++ b/drivers/event/dlb/dlb_iface.h @@ -0,0 +1,27 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2016-2020 Intel Corporation + */ + +#ifndef _DLB_IFACE_H +#define _DLB_IFACE_H + +/* DLB PMD Internal interface function pointers. + * If VDEV (bifurcated PMD), these will resolve to functions that issue ioctls + * serviced by DLB kernel module. + * If PCI (PF PMD), these will be implemented locally in user mode. + */ + +extern void (*dlb_iface_low_level_io_init)(struct dlb_eventdev *dlb); + +extern int (*dlb_iface_open)(struct dlb_hw_dev *handle, const char *name); + +extern int (*dlb_iface_get_device_version)(struct dlb_hw_dev *handle, + uint8_t *revision); + +extern int (*dlb_iface_get_num_resources)(struct dlb_hw_dev *handle, + struct dlb_get_num_resources_args *rsrcs); + +extern int (*dlb_iface_get_cq_poll_mode)(struct dlb_hw_dev *handle, + enum dlb_cq_poll_modes *mode); + +#endif /* _DLB_IFACE_H */ diff --git a/drivers/event/dlb/meson.build b/drivers/event/dlb/meson.build index b4bdc8b..8707d3d 100644 --- a/drivers/event/dlb/meson.build +++ b/drivers/event/dlb/meson.build @@ -8,6 +8,7 @@ if not is_linux or not dpdk_conf.has('RTE_ARCH_X86_64') endif sources = files('dlb.c', + 'dlb_iface.c', 'pf/dlb_main.c', 'pf/dlb_pf.c' ) diff --git a/drivers/event/dlb/pf/dlb_pf.c b/drivers/event/dlb/pf/dlb_pf.c index 3f836f3..05fd76c 100644 --- a/drivers/event/dlb/pf/dlb_pf.c +++ b/drivers/event/dlb/pf/dlb_pf.c @@ -27,6 +27,7 @@ #include <rte_string_fns.h> #include "../dlb_priv.h" +#include "../dlb_iface.h" #include "../dlb_inline_fns.h" #include "dlb_main.h" #include "base/dlb_hw_types.h" -- 2.6.4
next prev parent reply other threads:[~2020-10-23 18:40 UTC|newest] Thread overview: 95+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <1593232671-5690-0-git-send-email-timothy.mcdaniel@intel.com> 2020-07-30 19:49 ` [dpdk-dev] [PATCH 00/27] Add Intel DLM PMD to 20.11 McDaniel, Timothy 2020-07-30 19:49 ` [dpdk-dev] [PATCH 01/27] eventdev: dlb upstream prerequisites McDaniel, Timothy 2020-08-11 17:44 ` Jerin Jacob 2020-10-17 19:03 ` [dpdk-dev] [PATCH v5 00/22] Add DLB PMD Timothy McDaniel 2020-10-17 19:03 ` [dpdk-dev] [PATCH v5 01/22] event/dlb: add documentation and meson infrastructure Timothy McDaniel 2020-10-20 20:06 ` Eads, Gage 2020-10-17 19:03 ` [dpdk-dev] [PATCH v5 02/22] event/dlb: add dynamic logging Timothy McDaniel 2020-10-17 19:03 ` [dpdk-dev] [PATCH v5 03/22] event/dlb: add private data structures and constants Timothy McDaniel 2020-10-20 20:06 ` Eads, Gage 2020-10-17 19:03 ` [dpdk-dev] [PATCH v5 04/22] event/dlb: add definitions shared with LKM or shared code Timothy McDaniel 2020-10-17 19:03 ` [dpdk-dev] [PATCH v5 05/22] event/dlb: add inline functions Timothy McDaniel 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 06/22] event/dlb: add probe Timothy McDaniel 2020-10-18 12:49 ` Jerin Jacob 2020-10-20 20:06 ` Eads, Gage 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 07/22] event/dlb: add xstats Timothy McDaniel 2020-10-20 20:06 ` Eads, Gage 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 08/22] event/dlb: add infos get and configure Timothy McDaniel 2020-10-20 20:06 ` Eads, Gage 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 09/22] event/dlb: add queue and port default conf Timothy McDaniel 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 10/22] event/dlb: add queue setup Timothy McDaniel 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 11/22] event/dlb: add port setup Timothy McDaniel 2020-10-20 20:06 ` Eads, Gage 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 12/22] event/dlb: add port link Timothy McDaniel 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 13/22] event/dlb: add port unlink and port unlinks in progress Timothy McDaniel 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 14/22] event/dlb: add eventdev start Timothy McDaniel 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 15/22] event/dlb: add enqueue and its burst variants Timothy McDaniel 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 16/22] event/dlb: add dequeue " Timothy McDaniel 2020-10-20 20:06 ` Eads, Gage 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 17/22] event/dlb: add eventdev stop and close Timothy McDaniel 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 18/22] event/dlb: add PMD's token pop public interface Timothy McDaniel 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 19/22] event/dlb: add PMD self-tests Timothy McDaniel 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 20/22] event/dlb: add queue and port release Timothy McDaniel 2020-10-20 20:06 ` Eads, Gage 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 21/22] event/dlb: add timeout ticks entry point Timothy McDaniel 2020-10-17 19:04 ` [dpdk-dev] [PATCH v5 22/22] doc: Add new DLB eventdev driver to relnotes Timothy McDaniel 2020-10-20 20:06 ` Eads, Gage 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 00/23] Add DLB PMD Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 01/23] event/dlb: add documentation and meson infrastructure Timothy McDaniel 2020-10-24 13:05 ` Jerin Jacob 2020-10-26 16:02 ` McDaniel, Timothy 2020-10-24 14:05 ` Thomas Monjalon 2020-10-26 16:12 ` McDaniel, Timothy 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 02/23] event/dlb: add dynamic logging Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 03/23] event/dlb: add private data structures and constants Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 04/23] event/dlb: add definitions shared with LKM or shared code Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 05/23] event/dlb: add inline functions Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 06/23] event/dlb: add eventdev probe Timothy McDaniel 2020-10-23 18:32 ` Timothy McDaniel [this message] 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 08/23] event/dlb: add probe-time hardware init Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 09/23] event/dlb: add xstats Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 10/23] event/dlb: add infos get and configure Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 11/23] event/dlb: add queue and port default conf Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 12/23] event/dlb: add queue setup Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 13/23] event/dlb: add port setup Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 14/23] event/dlb: add port link Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 15/23] event/dlb: add port unlink and port unlinks in progress Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 16/23] event/dlb: add eventdev start Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 17/23] event/dlb: add enqueue and its burst variants Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 18/23] event/dlb: add dequeue " Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 19/23] event/dlb: add eventdev stop and close Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 20/23] event/dlb: add PMD's token pop public interface Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 21/23] event/dlb: add PMD self-tests Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 22/23] event/dlb: add queue and port release Timothy McDaniel 2020-10-23 18:32 ` [dpdk-dev] [PATCH v6 23/23] event/dlb: add timeout ticks entry point Timothy McDaniel 2020-07-30 19:49 ` [dpdk-dev] [PATCH 02/27] eventdev: do not pass disable_implicit_release bit to trace macro McDaniel, Timothy 2020-08-11 17:48 ` Jerin Jacob 2020-07-30 19:49 ` [dpdk-dev] [PATCH 03/27] event/dlb: add shared code version 10.7.9 McDaniel, Timothy 2020-08-11 18:22 ` [dpdk-dev] [EXT] " Jerin Jacob Kollanukkaran 2020-07-30 19:49 ` [dpdk-dev] [PATCH 04/27] event/dlb: add make and meson build infrastructure McDaniel, Timothy 2020-08-11 18:24 ` Jerin Jacob 2020-07-30 19:49 ` [dpdk-dev] [PATCH 05/27] event/dlb: add DLB documentation McDaniel, Timothy 2020-08-11 18:26 ` Jerin Jacob 2020-07-30 19:49 ` [dpdk-dev] [PATCH 06/27] event/dlb: add dynamic logging McDaniel, Timothy 2020-08-11 18:27 ` Jerin Jacob 2020-07-30 19:49 ` [dpdk-dev] [PATCH 07/27] event/dlb: add private data structures and constants McDaniel, Timothy 2020-07-30 19:49 ` [dpdk-dev] [PATCH 08/27] event/dlb: add definitions shared with LKM or shared code McDaniel, Timothy 2020-07-30 19:49 ` [dpdk-dev] [PATCH 09/27] event/dlb: add inline functions used in multiple files McDaniel, Timothy 2020-07-30 19:49 ` [dpdk-dev] [PATCH 10/27] event/dlb: add PFPMD-specific interface layer to shared code McDaniel, Timothy 2020-07-30 19:49 ` [dpdk-dev] [PATCH 11/27] event/dlb: add flexible PMD to device interfaces McDaniel, Timothy 2020-07-30 19:49 ` [dpdk-dev] [PATCH 12/27] event/dlb: add the PMD's public interfaces McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 13/27] event/dlb: add xstats support McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 14/27] event/dlb: add PMD self-tests McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 15/27] event/dlb: add probe McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 16/27] event/dlb: add infos_get and configure McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 17/27] event/dlb: add queue_def_conf and port_def_conf McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 18/27] event/dlb: add queue setup McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 19/27] event/dlb: add port_setup McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 20/27] event/dlb: add port_link McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 21/27] event/dlb: add queue_release and port_release McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 22/27] event/dlb: add port_unlink and port_unlinks_in_progress McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 23/27] event/dlb: add eventdev_start McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 24/27] event/dlb: add timeout_ticks, dump, xstats, and selftest McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 25/27] event/dlb: add enqueue and its burst variants McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 26/27] event/dlb: add dequeue, dequeue_burst, and variants McDaniel, Timothy 2020-07-30 19:50 ` [dpdk-dev] [PATCH 27/27] event/dlb: add eventdev_stop and eventdev_close McDaniel, Timothy
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