diff mbox

[dpdk-dev,1/2,v2] i40e: support floating VEB config

Message ID 1456218796-15630-2-git-send-email-zhe.tao@intel.com (mailing list archive)
State Superseded, archived
Delegated to: Bruce Richardson
Headers

Commit Message

Zhe Tao Feb. 23, 2016, 9:13 a.m. UTC 
  Add the new floating related argument option in the EAL.
Using this parameter, all the samples can decide whether to use legacy VEB/VEPA,
 or floating VEB.
Even the floating argument is provided in the EAL, but this floating
feature are only support for FVL so far.

Signed-off-by: Zhe Tao <zhe.tao@intel.com>
---
 lib/librte_eal/common/eal_common_options.c | 4 ++++
 lib/librte_eal/common/eal_internal_cfg.h   | 1 +
 lib/librte_eal/common/eal_options.h        | 2 ++
 3 files changed, 7 insertions(+)

Comments

Jingjing Wu Feb. 25, 2016, 12:55 a.m. UTC | #1 
> @@ -68,6 +68,7 @@ struct internal_config {
>  	volatile unsigned xen_dom0_support; /**< support app running on
> Xen Dom0*/
>  	volatile unsigned no_pci;         /**< true to disable PCI */
>  	volatile unsigned no_hpet;        /**< true to disable HPET */
> +	volatile unsigned floating;       /**< true to disable floating VEB */
true to disable( -> enable) floating VEB.
>  	volatile unsigned vmware_tsc_map; /**< true to use VMware TSC
> mapping
> 
> 	* instead of native TSC */
>  	volatile unsigned no_shconf;      /**< true if there is no shared config
> */
> diff --git a/lib/librte_eal/common/eal_options.h
> b/lib/librte_eal/common/eal_options.h
> index a881c62..413c9e6 100644
> --- a/lib/librte_eal/common/eal_options.h
> +++ b/lib/librte_eal/common/eal_options.h
> @@ -83,6 +83,8 @@ enum {
>  	OPT_VMWARE_TSC_MAP_NUM,
>  #define OPT_XEN_DOM0          "xen-dom0"
>  	OPT_XEN_DOM0_NUM,
> +#define OPT_FLOATING          "floating"
> +	OPT_FLOATING_NUM,
>  	OPT_LONG_MAX_NUM
>  };
>
New option is added, any doc to update?
> --
> 2.1.4
diff mbox

Patch

diff --git a/lib/librte_eal/common/eal_common_options.c b/lib/librte_eal/common/eal_common_options.c
index 29942ea..29ed7bf 100644
--- a/lib/librte_eal/common/eal_common_options.c
+++ b/lib/librte_eal/common/eal_common_options.c
@@ -95,6 +95,7 @@  eal_long_options[] = {
 	{OPT_VFIO_INTR,         1, NULL, OPT_VFIO_INTR_NUM        },
 	{OPT_VMWARE_TSC_MAP,    0, NULL, OPT_VMWARE_TSC_MAP_NUM   },
 	{OPT_XEN_DOM0,          0, NULL, OPT_XEN_DOM0_NUM         },
+	{OPT_FLOATING,          0, NULL, OPT_FLOATING_NUM         },
 	{0,                     0, NULL, 0                        }
 };
 
@@ -896,6 +897,9 @@  eal_parse_common_option(int opt, const char *optarg,
 			return -1;
 		}
 		break;
+	case OPT_FLOATING_NUM:
+		conf->floating = 1;
+		break;
 
 	/* don't know what to do, leave this to caller */
 	default:
diff --git a/lib/librte_eal/common/eal_internal_cfg.h b/lib/librte_eal/common/eal_internal_cfg.h
index 5f1367e..0dd303a 100644
--- a/lib/librte_eal/common/eal_internal_cfg.h
+++ b/lib/librte_eal/common/eal_internal_cfg.h
@@ -68,6 +68,7 @@  struct internal_config {
 	volatile unsigned xen_dom0_support; /**< support app running on Xen Dom0*/
 	volatile unsigned no_pci;         /**< true to disable PCI */
 	volatile unsigned no_hpet;        /**< true to disable HPET */
+	volatile unsigned floating;       /**< true to disable floating VEB */
 	volatile unsigned vmware_tsc_map; /**< true to use VMware TSC mapping
 										* instead of native TSC */
 	volatile unsigned no_shconf;      /**< true if there is no shared config */
diff --git a/lib/librte_eal/common/eal_options.h b/lib/librte_eal/common/eal_options.h
index a881c62..413c9e6 100644
--- a/lib/librte_eal/common/eal_options.h
+++ b/lib/librte_eal/common/eal_options.h
@@ -83,6 +83,8 @@  enum {
 	OPT_VMWARE_TSC_MAP_NUM,
 #define OPT_XEN_DOM0          "xen-dom0"
 	OPT_XEN_DOM0_NUM,
+#define OPT_FLOATING          "floating"
+	OPT_FLOATING_NUM,
 	OPT_LONG_MAX_NUM
 };