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Message-Id: <201006251511.06025.leedom@chelsio.com>
Date: Fri, 25 Jun 2010 15:11:05 -0700
From: Casey Leedom <leedom@...lsio.com>
To: netdev@...r.kernel.org
Subject: [PATCH 3/9] cxgb4vf: Add new macros and definitions for hardware constants
Add new macros and definitions for hardware constants.
Signed-off-by: Casey Leedom
---
drivers/net/cxgb4/t4_hw.h | 39 +++++++++++++++++++++++++++++++++++++++
drivers/net/cxgb4/t4_regs.h | 3 +++
2 files changed, 42 insertions(+), 0 deletions(-)
diff --git a/drivers/net/cxgb4/t4_hw.h b/drivers/net/cxgb4/t4_hw.h
index 98c02be..e875d09 100644
--- a/drivers/net/cxgb4/t4_hw.h
+++ b/drivers/net/cxgb4/t4_hw.h
@@ -67,6 +67,45 @@ enum {
SGE_MAX_WR_LEN = 512, /* max WR size in bytes */
SGE_NTIMERS = 6, /* # of interrupt holdoff timer values */
SGE_NCOUNTERS = 4, /* # of interrupt packet counter values */
+
+ SGE_TIMER_RSTRT_CNTR = 6, /* restart RX packet threshold counter */
+ SGE_TIMER_UPD_CIDX = 7, /* update cidx only */
+
+ SGE_EQ_IDXSIZE = 64, /* egress queue pidx/cidx unit size */
+
+ SGE_INTRDST_PCI = 0, /* interrupt destination is PCI-E */
+ SGE_INTRDST_IQ = 1, /* destination is an ingress queue */
+
+ SGE_UPDATEDEL_NONE = 0, /* ingress queue pidx update delivery */
+ SGE_UPDATEDEL_INTR = 1, /* interrupt */
+ SGE_UPDATEDEL_STPG = 2, /* status page */
+ SGE_UPDATEDEL_BOTH = 3, /* interrupt and status page */
+
+ SGE_HOSTFCMODE_NONE = 0, /* egress queue cidx updates */
+ SGE_HOSTFCMODE_IQ = 1, /* sent to ingress queue */
+ SGE_HOSTFCMODE_STPG = 2, /* sent to status page */
+ SGE_HOSTFCMODE_BOTH = 3, /* ingress queue and status page */
+
+ SGE_FETCHBURSTMIN_16B = 0,/* egress queue descriptor fetch minimum */
+ SGE_FETCHBURSTMIN_32B = 1,
+ SGE_FETCHBURSTMIN_64B = 2,
+ SGE_FETCHBURSTMIN_128B = 3,
+
+ SGE_FETCHBURSTMAX_64B = 0,/* egress queue descriptor fetch maximum */
+ SGE_FETCHBURSTMAX_128B = 1,
+ SGE_FETCHBURSTMAX_256B = 2,
+ SGE_FETCHBURSTMAX_512B = 3,
+
+ SGE_CIDXFLUSHTHRESH_1 = 0,/* egress queue cidx flush threshold */
+ SGE_CIDXFLUSHTHRESH_2 = 1,
+ SGE_CIDXFLUSHTHRESH_4 = 2,
+ SGE_CIDXFLUSHTHRESH_8 = 3,
+ SGE_CIDXFLUSHTHRESH_16 = 4,
+ SGE_CIDXFLUSHTHRESH_32 = 5,
+ SGE_CIDXFLUSHTHRESH_64 = 6,
+ SGE_CIDXFLUSHTHRESH_128 = 7,
+
+ SGE_INGPADBOUNDARY_SHIFT = 5,/* ingress queue pad boundary */
};
struct sge_qstat { /* data written to SGE queue status entries
*/
diff --git a/drivers/net/cxgb4/t4_regs.h b/drivers/net/cxgb4/t4_regs.h
index 8fed46d..bf21c14 100644
--- a/drivers/net/cxgb4/t4_regs.h
+++ b/drivers/net/cxgb4/t4_regs.h
@@ -93,12 +93,15 @@
#define PKTSHIFT_MASK 0x00001c00U
#define PKTSHIFT_SHIFT 10
#define PKTSHIFT(x) ((x) << PKTSHIFT_SHIFT)
+#define PKTSHIFT_GET(x) (((x) & PKTSHIFT_MASK) >> PKTSHIFT_SHIFT)
#define INGPCIEBOUNDARY_MASK 0x00000380U
#define INGPCIEBOUNDARY_SHIFT 7
#define INGPCIEBOUNDARY(x) ((x) << INGPCIEBOUNDARY_SHIFT)
#define INGPADBOUNDARY_MASK 0x00000070U
#define INGPADBOUNDARY_SHIFT 4
#define INGPADBOUNDARY(x) ((x) << INGPADBOUNDARY_SHIFT)
+#define INGPADBOUNDARY_GET(x) (((x) & INGPADBOUNDARY_MASK) \
+ >> INGPADBOUNDARY_SHIFT)
#define EGRPCIEBOUNDARY_MASK 0x0000000eU
#define EGRPCIEBOUNDARY_SHIFT 1
#define EGRPCIEBOUNDARY(x) ((x) << EGRPCIEBOUNDARY_SHIFT)
--
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