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From: Xueming Li <xuemingl@nvidia.com>
Cc: dev@dpdk.org, Viacheslav Ovsiienko <viacheslavo@nvidia.com>,
	xuemingl@nvidia.com, Asaf Penso <asafp@nvidia.com>,
	Bruce Richardson <bruce.richardson@intel.com>,
	Thomas Monjalon <thomas@monjalon.net>,
	Ferruh Yigit <ferruh.yigit@intel.com>,
	Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Subject: [dpdk-dev] [PATCH v5 6/9] ethdev: support multi-host in representor
Date: Tue, 19 Jan 2021 07:14:58 +0000	[thread overview]
Message-ID: <1611040501-11666-6-git-send-email-xuemingl@nvidia.com> (raw)
In-Reply-To: <1611040501-11666-1-git-send-email-xuemingl@nvidia.com>
In-Reply-To: <1608303356-13089-2-git-send-email-xuemingl@nvidia.com>

The NIC can have multiple PCIe links and can be attached to the multiple
hosts, for example the same single NIC can be shared for multiple server
units in the rack. On each PCIe link NIC can provide multiple PFs and
VFs/SFs based on these ones. To provide the unambiguous identification
of the PCIe function the controller index is added. The full representor
identifier consists of three indices - controller index, PF index, and
VF or SF index (if any).

This patch introduces controller index to ethdev representor syntax,
examples:

[[c#]pf#]vf#: VF port representor/s, example: pf0vf1
[[c#]pf#]sf#: SF port representor/s, example: c1pf1sf[0-3]

c# is controller(host) ID/range in case of multi-host, optional.

For user application (e.g. OVS), PMD is responsible to interpret and
locate representor device based on controller ID, PF ID and VF/SF ID in
representor syntax.

Signed-off-by: Xueming Li <xuemingl@nvidia.com>
Acked-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
Acked-by: Thomas Monjalon <thomas@monjalon.net>
---
 config/rte_config.h                   |  1 +
 lib/librte_ethdev/ethdev_private.c    | 12 ++++++++++--
 lib/librte_ethdev/rte_ethdev_driver.h |  4 ++++
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/config/rte_config.h b/config/rte_config.h
index a0b5160ff2..23d02d51ef 100644
--- a/config/rte_config.h
+++ b/config/rte_config.h
@@ -58,6 +58,7 @@
 #define RTE_MAX_QUEUES_PER_PORT 1024
 #define RTE_ETHDEV_QUEUE_STAT_CNTRS 16 /* max 256 */
 #define RTE_ETHDEV_RXTX_CALLBACKS 1
+#define RTE_MAX_MULTI_HOST_CTRLS 4
 
 /* cryptodev defines */
 #define RTE_CRYPTO_MAX_DEVS 64
diff --git a/lib/librte_ethdev/ethdev_private.c b/lib/librte_ethdev/ethdev_private.c
index b9fdbd0f72..9a0945c22e 100644
--- a/lib/librte_ethdev/ethdev_private.c
+++ b/lib/librte_ethdev/ethdev_private.c
@@ -120,8 +120,8 @@ rte_eth_devargs_process_list(char *str, uint16_t *list, uint16_t *len_list,
  *
  * Representor format:
  *   #: range or single number of VF representor - legacy
- *   [pf#]vf#: VF port representor/s
- *   [pf#]sf#: SF port representor/s
+ *   [[c#]pf#]vf#: VF port representor/s
+ *   [[c#]pf#]sf#: SF port representor/s
  *
  * Examples of #:
  *  2               - single
@@ -133,6 +133,14 @@ rte_eth_devargs_parse_representor_ports(char *str, void *data)
 {
 	struct rte_eth_devargs *eth_da = data;
 
+	if (str[0] == 'c') {
+		str += 1;
+		str = rte_eth_devargs_process_list(str, eth_da->mh_controllers,
+				&eth_da->nb_mh_controllers,
+				RTE_DIM(eth_da->mh_controllers));
+		if (str == NULL)
+			goto err;
+	}
 	if (str[0] == 'p' && str[1] == 'f') {
 		eth_da->type = RTE_ETH_REPRESENTOR_PF;
 		str += 2;
diff --git a/lib/librte_ethdev/rte_ethdev_driver.h b/lib/librte_ethdev/rte_ethdev_driver.h
index cd33184f17..b01f118965 100644
--- a/lib/librte_ethdev/rte_ethdev_driver.h
+++ b/lib/librte_ethdev/rte_ethdev_driver.h
@@ -1203,6 +1203,10 @@ enum rte_eth_representor_type {
 
 /** Generic Ethernet device arguments  */
 struct rte_eth_devargs {
+	uint16_t mh_controllers[RTE_MAX_MULTI_HOST_CTRLS];
+	/** controller/s number in case of multi-host */
+	uint16_t nb_mh_controllers;
+	/** number of controllers in multi-host controllers field */
 	uint16_t ports[RTE_MAX_ETHPORTS];
 	/** port/s number to enable on a multi-port single function */
 	uint16_t nb_ports;
-- 
2.25.1


  parent reply	other threads:[~2021-01-19  7:16 UTC|newest]

Thread overview: 209+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-18 14:55 [dpdk-dev] [RFC 0/7] support SubFunction representor Xueming Li
2020-12-18 14:55 ` [dpdk-dev] [RFC 1/7] ethdev: support sub function representor Xueming Li
2020-12-28 11:59   ` Andrew Rybchenko
2021-01-06 16:17   ` [dpdk-dev] [PATCH v2 0/9] support SubFunction representor Xueming Li
2021-01-06 16:17   ` [dpdk-dev] [PATCH v2 1/9] ethdev: refactor representor infrastructure Xueming Li
2021-01-07  6:31     ` Somnath Kotur
2021-01-07  6:38       ` Xueming(Steven) Li
2021-01-07  6:40         ` Somnath Kotur
2021-01-06 16:17   ` [dpdk-dev] [PATCH v2 2/9] ethdev: support new VF representor syntax Xueming Li
2021-01-06 16:17   ` [dpdk-dev] [PATCH v2 3/9] ethdev: support sub function representor Xueming Li
2021-01-06 16:17   ` [dpdk-dev] [PATCH v2 4/9] ethdev: support PF index in representor Xueming Li
2021-01-06 16:17   ` [dpdk-dev] [PATCH v2 5/9] ethdev: support multi-host representor Xueming Li
2021-01-06 16:17   ` [dpdk-dev] [PATCH v2 6/9] devarg: change reprsentor ID to bitmap Xueming Li
2021-01-06 16:17   ` [dpdk-dev] [PATCH v2 7/9] ethdev: capability of new representor syntax Xueming Li
2021-01-06 16:17   ` [dpdk-dev] [PATCH v2 8/9] kvargs: update parser for " Xueming Li
2021-01-06 16:17   ` [dpdk-dev] [PATCH v2 9/9] eal: allow PCI device with different representors Xueming Li
2021-01-06 16:39   ` [dpdk-dev] [PATCH v2 0/4] net/mlx5: support SubFunction representor Xueming Li
2021-01-06 16:39   ` [dpdk-dev] [PATCH v2 1/4] common/mlx5: update representor name parsing Xueming Li
2021-01-06 16:39   ` [dpdk-dev] [PATCH v2 2/4] net/mlx5: support representor of sub function Xueming Li
2021-01-06 16:39   ` [dpdk-dev] [PATCH v2 3/4] net/mlx5: revert setting representor to first PF Xueming Li
2021-01-06 16:39   ` [dpdk-dev] [PATCH v2 4/4] net/mlx5: improve bonding representor probe Xueming Li
2021-01-13 13:44   ` [dpdk-dev] [PATCH v3 0/9] ethdev: support SubFunction representor Xueming Li
2021-01-13 13:44   ` [dpdk-dev] [PATCH v3 1/9] ethdev: refactor representor infrastructure Xueming Li
2021-01-13 13:44   ` [dpdk-dev] [PATCH v3 2/9] ethdev: support new VF representor syntax Xueming Li
2021-01-13 13:44   ` [dpdk-dev] [PATCH v3 3/9] ethdev: support sub function representor Xueming Li
2021-01-13 13:44   ` [dpdk-dev] [PATCH v3 4/9] ethdev: support PF index in representor Xueming Li
2021-01-13 13:44   ` [dpdk-dev] [PATCH v3 5/9] ethdev: support multi-host representor Xueming Li
2021-01-13 13:44   ` [dpdk-dev] [PATCH v3 6/9] devarg: change reprsentor ID to bitmap Xueming Li
2021-01-13 13:44   ` [dpdk-dev] [PATCH v3 7/9] ethdev: capability of new representor syntax Xueming Li
2021-01-13 13:44   ` [dpdk-dev] [PATCH v3 8/9] kvargs: update parser for " Xueming Li
2021-01-13 13:44   ` [dpdk-dev] [PATCH v3 9/9] eal: probe devices of same PCI but different devargs Xueming Li
2021-01-18 11:16   ` [dpdk-dev] [PATCH v4 0/9] ethdev: support SubFunction representor Xueming Li
2021-01-18 16:24     ` Thomas Monjalon
2021-01-18 11:16   ` [dpdk-dev] [PATCH v4 1/9] ethdev: introduce representor type Xueming Li
2021-01-18 15:44     ` Thomas Monjalon
2021-01-18 17:42     ` Ajit Khaparde
2021-01-18 17:57       ` Thomas Monjalon
2021-01-18 18:00         ` Ajit Khaparde
2021-01-18 18:15           ` Thomas Monjalon
2021-01-18 18:17             ` Ajit Khaparde
2021-01-18 23:41               ` Xueming(Steven) Li
2021-01-19  7:39                 ` Ajit Khaparde
2021-01-19  7:24     ` Andrew Rybchenko
2021-01-19  7:37       ` Xueming(Steven) Li
2021-01-19  7:49         ` Andrew Rybchenko
2021-01-19  7:56           ` Xueming(Steven) Li
2021-01-19  8:39             ` Thomas Monjalon
2021-01-18 11:16   ` [dpdk-dev] [PATCH v4 2/9] ethdev: support representor port list Xueming Li
2021-01-18 16:18     ` Thomas Monjalon
2021-01-18 23:23       ` Xueming(Steven) Li
2021-01-19  7:45     ` Andrew Rybchenko
2021-01-19  8:59       ` Xueming(Steven) Li
2021-01-19  9:03         ` Andrew Rybchenko
2021-01-19 10:19           ` Xueming(Steven) Li
2021-01-18 11:16   ` [dpdk-dev] [PATCH v4 3/9] ethdev: support new VF representor syntax Xueming Li
2021-01-18 11:16   ` [dpdk-dev] [PATCH v4 4/9] ethdev: support sub function representor Xueming Li
2021-01-18 11:16   ` [dpdk-dev] [PATCH v4 5/9] ethdev: support PF index in representor Xueming Li
2021-01-18 11:17   ` [dpdk-dev] [PATCH v4 6/9] ethdev: support multi-host " Xueming Li
2021-01-18 11:17   ` [dpdk-dev] [PATCH v4 7/9] devarg: change representor ID to bitmap Xueming Li
2021-01-18 19:01     ` Ajit Khaparde
2021-01-20  5:51       ` Xueming(Steven) Li
2021-01-18 11:17   ` [dpdk-dev] [PATCH v4 8/9] ethdev: add capability of sub-function representor Xueming Li
2021-01-18 11:17   ` [dpdk-dev] [PATCH v4 9/9] kvargs: update parser to support lists Xueming Li
2021-01-19  7:13   ` [dpdk-dev] [PATCH v5 0/9] ethdev: support SubFunction representor Xueming Li
2021-01-19  8:40     ` Andrew Rybchenko
2021-01-19 14:24       ` Xueming(Steven) Li
2021-01-22  8:21         ` Andrew Rybchenko
2021-01-27  3:04           ` Xueming(Steven) Li
2021-01-27 12:10             ` Andrew Rybchenko
2021-01-28 14:31               ` Xueming(Steven) Li
2021-02-01  8:39                 ` Andrew Rybchenko
2021-02-04 14:15                   ` Xueming(Steven) Li
2021-02-05  7:34                     ` Andrew Rybchenko
2021-02-05  9:13                       ` Xueming(Steven) Li
2021-02-05  9:37                         ` Andrew Rybchenko
2021-01-27 17:43             ` Ajit Khaparde
2021-01-28 11:45               ` Xueming(Steven) Li
2021-01-21  3:32     ` Tu, Lijuan
2021-01-19  7:14   ` [dpdk-dev] [PATCH v5 1/9] ethdev: introduce representor type Xueming Li
2021-01-19  7:14   ` [dpdk-dev] [PATCH v5 2/9] ethdev: support representor port list Xueming Li
2021-01-19  7:48     ` Andrew Rybchenko
2021-01-19  8:19       ` Xueming(Steven) Li
2021-01-19  7:14   ` [dpdk-dev] [PATCH v5 3/9] ethdev: support new VF representor syntax Xueming Li
2021-01-19  7:51     ` Andrew Rybchenko
2021-01-19  7:14   ` [dpdk-dev] [PATCH v5 4/9] ethdev: support sub function representor Xueming Li
2021-01-19  7:53     ` Andrew Rybchenko
2021-01-19  7:14   ` [dpdk-dev] [PATCH v5 5/9] ethdev: support PF index in representor Xueming Li
2021-01-19  8:00     ` Andrew Rybchenko
2021-01-19  9:30       ` Xueming(Steven) Li
2021-01-19  9:36         ` Andrew Rybchenko
2021-01-19 11:57           ` Xueming(Steven) Li
2021-01-19  7:14   ` Xueming Li [this message]
2021-01-19  8:03     ` [dpdk-dev] [PATCH v5 6/9] ethdev: support multi-host " Andrew Rybchenko
2021-01-19  9:32       ` Xueming(Steven) Li
2021-01-19  7:14   ` [dpdk-dev] [PATCH v5 7/9] devarg: change representor ID to bitmap Xueming Li
2021-01-19  7:36     ` Wang, Haiyue
2021-01-19  8:11       ` Xueming(Steven) Li
2021-01-19  8:20     ` Andrew Rybchenko
2021-01-19  8:33       ` Thomas Monjalon
2021-01-19 11:04       ` Xueming(Steven) Li
2021-01-19 11:15         ` Andrew Rybchenko
2021-01-19  7:15   ` [dpdk-dev] [PATCH v5 8/9] ethdev: add capability of sub-function representor Xueming Li
2021-01-19  8:06     ` Andrew Rybchenko
2021-01-19 11:19       ` Xueming(Steven) Li
2021-01-19 11:29         ` Andrew Rybchenko
2021-01-19  7:15   ` [dpdk-dev] [PATCH v5 9/9] kvargs: update parser to support lists Xueming Li
2021-02-14  3:21   ` [dpdk-dev] [PATCH v6 0/9] ethdev: support SubFunction representor Xueming Li
2021-02-23  1:54     ` Stephen Hemminger
2021-02-23 11:45       ` Wang, Haiyue
2021-02-28 13:51         ` Xueming(Steven) Li
2021-03-31  5:49         ` Xueming(Steven) Li
2021-03-31  5:58           ` Wang, Haiyue
2021-02-14  3:21   ` [dpdk-dev] [PATCH v6 1/9] ethdev: introduce representor type Xueming Li
2021-02-15  2:25     ` Hyong Youb Kim (hyonkim)
2021-02-14  3:21   ` [dpdk-dev] [PATCH v6 2/9] ethdev: support representor port list Xueming Li
2021-02-15  8:13     ` Andrew Rybchenko
2021-02-14  3:21   ` [dpdk-dev] [PATCH v6 3/9] ethdev: support new VF representor syntax Xueming Li
2021-02-14  3:21   ` [dpdk-dev] [PATCH v6 4/9] ethdev: support sub function representor Xueming Li
2021-02-15  8:25     ` Andrew Rybchenko
2021-02-16  9:00       ` Xueming(Steven) Li
2021-02-14  3:21   ` [dpdk-dev] [PATCH v6 5/9] ethdev: support PF index in representor Xueming Li
2021-02-15  8:28     ` Andrew Rybchenko
2021-02-15  8:35     ` Andrew Rybchenko
2021-02-16 14:54       ` Xueming(Steven) Li
2021-02-14  3:21   ` [dpdk-dev] [PATCH v6 6/9] ethdev: support multi-host " Xueming Li
2021-02-15  8:37     ` Andrew Rybchenko
2021-02-14  3:21   ` [dpdk-dev] [PATCH v6 7/9] ethdev: new API to get representor info Xueming Li
2021-02-15  8:50     ` Andrew Rybchenko
2021-02-16 15:11       ` Xueming(Steven) Li
2021-02-14  3:21   ` [dpdk-dev] [PATCH v6 8/9] ethdev: representor iterator compare complete info Xueming Li
2021-02-15  9:31     ` Andrew Rybchenko
2021-02-16 16:35       ` Xueming(Steven) Li
2021-02-25  7:32         ` Andrew Rybchenko
2021-02-14  3:21   ` [dpdk-dev] [PATCH v6 9/9] kvargs: update parser to support lists Xueming Li
2021-03-02 11:40   ` [dpdk-dev] [PATCH v7 0/9] ethdev: support SubFunction representor Xueming Li
2021-03-02 11:40   ` [dpdk-dev] [PATCH v7 1/9] ethdev: introduce representor type Xueming Li
2021-03-02 11:42   ` [dpdk-dev] [PATCH v7 3/9] ethdev: support new VF representor syntax Xueming Li
2021-03-02 11:42   ` [dpdk-dev] [PATCH v7 4/9] ethdev: support sub function representor Xueming Li
2021-03-02 11:42   ` [dpdk-dev] [PATCH v7 5/9] ethdev: support PF index in representor Xueming Li
2021-03-02 11:51     ` Andrew Rybchenko
2021-03-02 11:43   ` [dpdk-dev] [PATCH v7 6/9] ethdev: support multi-host " Xueming Li
2021-03-02 11:43   ` [dpdk-dev] [PATCH v7 7/9] ethdev: new API to get representor info Xueming Li
2021-03-02 11:56     ` Andrew Rybchenko
2021-03-02 11:43   ` [dpdk-dev] [PATCH v7 8/9] ethdev: representor iterator compare complete info Xueming Li
2021-03-02 14:10     ` Andrew Rybchenko
2021-03-02 15:18       ` Xueming(Steven) Li
2021-03-02 11:44   ` [dpdk-dev] [PATCH v7 9/9] kvargs: update parser to support lists Xueming Li
2021-03-04 14:30   ` [dpdk-dev] [PATCH v8 0/9] ethdev: support SubFunction representor Xueming Li
2021-03-08 16:43     ` Ferruh Yigit
2021-03-09  7:13       ` Xueming(Steven) Li
2021-03-04 14:30   ` [dpdk-dev] [PATCH v8 1/9] ethdev: introduce representor type Xueming Li
2021-03-08 14:35     ` Ferruh Yigit
2021-03-04 14:30   ` [dpdk-dev] [PATCH v8 2/9] ethdev: support representor port list Xueming Li
2021-03-08 14:38     ` Ferruh Yigit
2021-03-08 15:58       ` Xueming(Steven) Li
2021-03-08 16:22         ` Ferruh Yigit
2021-03-09  6:16           ` Xueming(Steven) Li
2021-03-04 14:30   ` [dpdk-dev] [PATCH v8 3/9] ethdev: support new VF representor syntax Xueming Li
2021-03-04 14:30   ` [dpdk-dev] [PATCH v8 4/9] ethdev: support sub function representor Xueming Li
2021-03-04 14:30   ` [dpdk-dev] [PATCH v8 5/9] ethdev: support PF index in representor Xueming Li
2021-03-04 14:30   ` [dpdk-dev] [PATCH v8 6/9] ethdev: support multi-host " Xueming Li
2021-03-04 14:30   ` [dpdk-dev] [PATCH v8 7/9] ethdev: new API to get representor info Xueming Li
2021-03-08 14:43     ` Ferruh Yigit
2021-03-08 15:31       ` Xueming(Steven) Li
2021-03-08 16:12         ` Ferruh Yigit
2021-03-09  4:13           ` Xueming(Steven) Li
2021-03-04 14:30   ` [dpdk-dev] [PATCH v8 8/9] ethdev: representor iterator compare complete info Xueming Li
2021-03-08 16:18     ` Ferruh Yigit
2021-03-09  6:00       ` Xueming(Steven) Li
2021-03-09  8:19     ` Andrew Rybchenko
2021-03-11 13:18       ` Xueming(Steven) Li
2021-03-04 14:30   ` [dpdk-dev] [PATCH v8 9/9] kvargs: update parser to support lists Xueming Li
2021-03-08 14:45     ` Ferruh Yigit
2021-03-08 14:59       ` Xueming(Steven) Li
2021-03-08 15:54         ` Ferruh Yigit
2021-03-08 16:01           ` Xueming(Steven) Li
2021-03-11 13:13   ` [dpdk-dev] [PATCH v9 00/10] ethdev: support SubFunction representor Xueming Li
2021-03-16 19:18     ` Ferruh Yigit
2021-03-17  9:00       ` Xueming(Steven) Li
2021-03-11 13:13   ` [dpdk-dev] [PATCH v9 01/10] ethdev: introduce representor type Xueming Li
2021-03-11 13:13   ` [dpdk-dev] [PATCH v9 02/10] ethdev: refactor representor port list parsing Xueming Li
2021-03-11 13:13   ` [dpdk-dev] [PATCH v9 03/10] ethdev: support new VF representor syntax Xueming Li
2021-03-11 13:13   ` [dpdk-dev] [PATCH v9 04/10] ethdev: support sub function representor Xueming Li
2021-03-11 13:13   ` [dpdk-dev] [PATCH v9 05/10] kvargs: update parser to support multiple lists Xueming Li
2021-04-12 16:42     ` Kinsella, Ray
2021-03-11 13:13   ` [dpdk-dev] [PATCH v9 06/10] ethdev: support PF index in representor Xueming Li
2021-03-11 13:13   ` [dpdk-dev] [PATCH v9 07/10] ethdev: support multi-host " Xueming Li
2021-03-11 13:13   ` [dpdk-dev] [PATCH v9 08/10] ethdev: new API to get representor info Xueming Li
2021-03-16 19:18     ` Ferruh Yigit
2021-03-16 21:19       ` Thomas Monjalon
2021-03-16 23:34         ` Ferruh Yigit
2021-03-17  6:57           ` Thomas Monjalon
2021-03-17 17:11             ` Ferruh Yigit
2021-03-11 13:13   ` [dpdk-dev] [PATCH v9 09/10] ethdev: representor iterator compare complete info Xueming Li
2021-03-11 13:13   ` [dpdk-dev] [PATCH v9 10/10] doc/release: add representor enhancements Xueming Li
2020-12-18 14:55 ` [dpdk-dev] [RFC 2/7] ethdev: support multi-host representor Xueming Li
2020-12-28 13:43   ` Andrew Rybchenko
2020-12-18 14:55 ` [dpdk-dev] [RFC 3/7] devarg: change reprsentor ID to bitmap Xueming Li
2020-12-28 13:36   ` Andrew Rybchenko
2021-01-05  6:19     ` Xueming(Steven) Li
2020-12-18 14:55 ` [dpdk-dev] [RFC 4/7] ethdev: capability for new representor syntax Xueming Li
2020-12-28 12:02   ` Andrew Rybchenko
2020-12-18 14:55 ` [dpdk-dev] [RFC 5/7] kvargs: update parser " Xueming Li
2020-12-28 13:21   ` Andrew Rybchenko
2020-12-18 14:55 ` [dpdk-dev] [RFC 6/7] common/mlx5: update representor name parsing Xueming Li
2020-12-18 14:55 ` [dpdk-dev] [RFC 7/7] net/mlx5: support representor of sub function Xueming Li
2020-12-28 13:44 ` [dpdk-dev] [RFC 0/7] support SubFunction representor Andrew Rybchenko
2020-12-30  8:54   ` Xueming(Steven) Li
2020-12-30 11:07     ` Thomas Monjalon

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