svn commit: r341123 - head/sys/dev/sfxge/common
Andrew Rybchenko
arybchik at FreeBSD.org
Wed Nov 28 09:22:57 UTC 2018
Author: arybchik
Date: Wed Nov 28 09:22:53 2018
New Revision: 341123
URL: https://svnweb.freebsd.org/changeset/base/341123
Log:
sfxge(4): support Medford2 event timer semantics
The event timer interface has changed for Medford2 - for
details see bug66418 comment 9. Update the common code to
use the new timer semantics for Medford2.
Submitted by: Andy Moreton <amoreton at solarflare.com>
Sponsored by: Solarflare Communications, Inc.
Differential Revision: https://reviews.freebsd.org/D18198
Modified:
head/sys/dev/sfxge/common/ef10_ev.c
head/sys/dev/sfxge/common/efx_regs_ef10.h
Modified: head/sys/dev/sfxge/common/ef10_ev.c
==============================================================================
--- head/sys/dev/sfxge/common/ef10_ev.c Wed Nov 28 09:22:42 2018 (r341122)
+++ head/sys/dev/sfxge/common/ef10_ev.c Wed Nov 28 09:22:53 2018 (r341123)
@@ -732,9 +732,15 @@ ef10_ev_qmoderate(
EFX_BAR_VI_WRITED(enp, ER_DD_EVQ_INDIRECT,
eep->ee_index, &dword, 0);
} else {
- EFX_POPULATE_DWORD_2(dword,
+ /*
+ * NOTE: The TMR_REL field introduced in Medford2 is
+ * ignored on earlier EF10 controllers. See bug66418
+ * comment 9 for details.
+ */
+ EFX_POPULATE_DWORD_3(dword,
ERF_DZ_TC_TIMER_MODE, mode,
- ERF_DZ_TC_TIMER_VAL, ticks);
+ ERF_DZ_TC_TIMER_VAL, ticks,
+ ERF_FZ_TC_TMR_REL_VAL, ticks);
EFX_BAR_VI_WRITED(enp, ER_DZ_EVQ_TMR_REG,
eep->ee_index, &dword, 0);
}
Modified: head/sys/dev/sfxge/common/efx_regs_ef10.h
==============================================================================
--- head/sys/dev/sfxge/common/efx_regs_ef10.h Wed Nov 28 09:22:42 2018 (r341122)
+++ head/sys/dev/sfxge/common/efx_regs_ef10.h Wed Nov 28 09:22:53 2018 (r341123)
@@ -184,6 +184,8 @@ extern "C" {
#define ER_FZ_EVQ_TMR_REG_64K_RESET 0x0
+#define ERF_FZ_TC_TMR_REL_VAL_LBN 16
+#define ERF_FZ_TC_TMR_REL_VAL_WIDTH 14
#define ERF_FZ_TC_TIMER_MODE_LBN 14
#define ERF_FZ_TC_TIMER_MODE_WIDTH 2
#define ERF_FZ_TC_TIMER_VAL_LBN 0
@@ -202,6 +204,8 @@ extern "C" {
#define ER_FZ_EVQ_TMR_REG_16K_RESET 0x0
+/* defined as ERF_FZ_TC_TMR_REL_VAL_LBN 16; */
+/* defined as ERF_FZ_TC_TMR_REL_VAL_WIDTH 14 */
/* defined as ERF_FZ_TC_TIMER_MODE_LBN 14; */
/* defined as ERF_FZ_TC_TIMER_MODE_WIDTH 2 */
/* defined as ERF_FZ_TC_TIMER_VAL_LBN 0; */
@@ -220,6 +224,8 @@ extern "C" {
#define ER_DZ_EVQ_TMR_REG_RESET 0x0
+/* defined as ERF_FZ_TC_TMR_REL_VAL_LBN 16; */
+/* defined as ERF_FZ_TC_TMR_REL_VAL_WIDTH 14 */
#define ERF_DZ_TC_TIMER_MODE_LBN 14
#define ERF_DZ_TC_TIMER_MODE_WIDTH 2
#define ERF_DZ_TC_TIMER_VAL_LBN 0
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