diff mbox

[dpdk-dev,v13,01/14] eal/linux: add interrupt vectors support in intr_handle

Message ID 1434686442-578-2-git-send-email-cunming.liang@intel.com (mailing list archive)
State Changes Requested, archived
Headers

Commit Message

Cunming Liang June 19, 2015, 4 a.m. UTC 
  The patch adds interrupt vectors support in rte_intr_handle.
'vec_en' is set when interrupt vectors are detected and associated event fds are set.
Those event fds are stored in efds[].
'intr_vec' is reserved for device driver to initialize the vector mapping table.

Signed-off-by: Danny Zhou <danny.zhou@intel.com>
Signed-off-by: Cunming Liang <cunming.liang@intel.com>
---
v7 changes:
 - add eptrs[], it's used to store the register rte_epoll_event instances.
 - add vec_en, to log the vector capability status.

v6 changes:
 - add mapping table between irq vector number and queue id.

v5 changes:
 - Create this new patch file for changed struct rte_intr_handle that
   other patches depend on, to avoid breaking git bisect.

 lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h | 6 ++++++
 1 file changed, 6 insertions(+)

Comments

Thomas Monjalon July 13, 2015, 4:40 p.m. UTC | #1 
2015-06-19 12:00, Cunming Liang:
> @@ -58,6 +60,10 @@ struct rte_intr_handle {
>  	};
>  	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 efds */
> +	int efds[RTE_MAX_RXTX_INTR_VEC_ID];  /**< intr vectors/efds mapping */

efd is not defined in these comments.
Cunming Liang July 17, 2015, 5:27 a.m. UTC | #2 
> -----Original Message-----
> From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com]
> Sent: Tuesday, July 14, 2015 12:41 AM
> To: Liang, Cunming
> Cc: dev@dpdk.org; shemming@brocade.com; david.marchand@6wind.com;
> Zhou, Danny; Wang, Liang-min; Richardson, Bruce; Liu, Yong;
> nhorman@tuxdriver.com
> Subject: Re: [PATCH v13 01/14] eal/linux: add interrupt vectors support in
> intr_handle
> 
> 2015-06-19 12:00, Cunming Liang:
> > @@ -58,6 +60,10 @@ struct rte_intr_handle {
> >  	};
> >  	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 efds */
> > +	int efds[RTE_MAX_RXTX_INTR_VEC_ID];  /**< intr vectors/efds mapping
> */
> 
> efd is not defined in these comments.
> 
Will expand abbreviation in comments, thanks.
diff mbox

Patch

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
index bdeb3fc..b6f2c41 100644
--- a/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h
+++ b/lib/librte_eal/linuxapp/eal/include/exec-env/rte_interrupts.h
@@ -38,6 +38,8 @@ 
 #ifndef _RTE_LINUXAPP_INTERRUPTS_H_
 #define _RTE_LINUXAPP_INTERRUPTS_H_
 
+#define RTE_MAX_RXTX_INTR_VEC_ID     32
+
 enum rte_intr_handle_type {
 	RTE_INTR_HANDLE_UNKNOWN = 0,
 	RTE_INTR_HANDLE_UIO,          /**< uio device handle */
@@ -58,6 +60,10 @@  struct rte_intr_handle {
 	};
 	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 efds */
+	int efds[RTE_MAX_RXTX_INTR_VEC_ID];  /**< intr vectors/efds mapping */
+	int *intr_vec;                   /**< intr vector number array */
 };
 
 #endif /* _RTE_LINUXAPP_INTERRUPTS_H_ */