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Date: Wed, 5 Sep 2012 17:31:55 +0530
From: Vipul Pandya <vipul@...lsio.com>
To: linux-rdma@...r.kernel.org, netdev@...r.kernel.org
Cc: roland@...estorage.com, davem@...emloft.net, divy@...lsio.com,
dm@...lsio.com, swise@...ngridcomputing.com, kumaras@...lsio.com,
santosh@...lsio.com, sivasu@...lsio.com,
Vipul Pandya <vipul@...lsio.com>
Subject: [PATCH V2 2/2] cxgb4: Remove duplicate register definitions
Removed duplicate definition for SGE_PF_KDOORBELL, SGE_INT_ENABLE3,
PCIE_MEM_ACCESS_OFFSET registers.
Moved the register field definitions around the register definition.
Signed-off-by: Santosh Rastapur <santosh@...lsio.com>
Signed-off-by: Vipul Pandya <vipul@...lsio.com>
Reviewed-by: Sivakumar Subramani <sivasu@...lsio.com>
---
V2: Changed the order of the patch in patch series to avoid build failure
between two changes.
drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 18 ++++----
drivers/net/ethernet/chelsio/cxgb4/sge.c | 4 +-
drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 12 +++---
drivers/net/ethernet/chelsio/cxgb4/t4_regs.h | 54 +++++-----------------
4 files changed, 30 insertions(+), 58 deletions(-)
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index 4a20821..5497eaa 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -2470,8 +2470,8 @@ int cxgb4_sync_txq_pidx(struct net_device *dev, u16 qid, u16 pidx,
else
delta = size - hw_pidx + pidx;
wmb();
- t4_write_reg(adap, MYPF_REG(A_SGE_PF_KDOORBELL),
- V_QID(qid) | V_PIDX(delta));
+ t4_write_reg(adap, MYPF_REG(SGE_PF_KDOORBELL),
+ QID(qid) | PIDX(delta));
}
out:
return ret;
@@ -2579,8 +2579,8 @@ static void sync_txq_pidx(struct adapter *adap, struct sge_txq *q)
else
delta = q->size - hw_pidx + q->db_pidx;
wmb();
- t4_write_reg(adap, MYPF_REG(A_SGE_PF_KDOORBELL),
- V_QID(q->cntxt_id) | V_PIDX(delta));
+ t4_write_reg(adap, MYPF_REG(SGE_PF_KDOORBELL),
+ QID(q->cntxt_id) | PIDX(delta));
}
out:
q->db_disabled = 0;
@@ -2617,9 +2617,9 @@ static void process_db_full(struct work_struct *work)
notify_rdma_uld(adap, CXGB4_CONTROL_DB_FULL);
drain_db_fifo(adap, dbfifo_drain_delay);
- t4_set_reg_field(adap, A_SGE_INT_ENABLE3,
- F_DBFIFO_HP_INT | F_DBFIFO_LP_INT,
- F_DBFIFO_HP_INT | F_DBFIFO_LP_INT);
+ t4_set_reg_field(adap, SGE_INT_ENABLE3,
+ DBFIFO_HP_INT | DBFIFO_LP_INT,
+ DBFIFO_HP_INT | DBFIFO_LP_INT);
notify_rdma_uld(adap, CXGB4_CONTROL_DB_EMPTY);
}
@@ -2639,8 +2639,8 @@ static void process_db_drop(struct work_struct *work)
void t4_db_full(struct adapter *adap)
{
- t4_set_reg_field(adap, A_SGE_INT_ENABLE3,
- F_DBFIFO_HP_INT | F_DBFIFO_LP_INT, 0);
+ t4_set_reg_field(adap, SGE_INT_ENABLE3,
+ DBFIFO_HP_INT | DBFIFO_LP_INT, 0);
queue_work(workq, &adap->db_full_task);
}
diff --git a/drivers/net/ethernet/chelsio/cxgb4/sge.c b/drivers/net/ethernet/chelsio/cxgb4/sge.c
index d49933e..1fde57d 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/sge.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/sge.c
@@ -769,8 +769,8 @@ static inline void ring_tx_db(struct adapter *adap, struct sge_txq *q, int n)
wmb(); /* write descriptors before telling HW */
spin_lock(&q->db_lock);
if (!q->db_disabled) {
- t4_write_reg(adap, MYPF_REG(A_SGE_PF_KDOORBELL),
- V_QID(q->cntxt_id) | V_PIDX(n));
+ t4_write_reg(adap, MYPF_REG(SGE_PF_KDOORBELL),
+ QID(q->cntxt_id) | PIDX(n));
}
q->db_pidx = q->pidx;
spin_unlock(&q->db_lock);
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index af16013..dccecdc 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -1018,9 +1018,9 @@ static void sge_intr_handler(struct adapter *adapter)
{ ERR_INVALID_CIDX_INC,
"SGE GTS CIDX increment too large", -1, 0 },
{ ERR_CPL_OPCODE_0, "SGE received 0-length CPL", -1, 0 },
- { F_DBFIFO_LP_INT, NULL, -1, 0, t4_db_full },
- { F_DBFIFO_HP_INT, NULL, -1, 0, t4_db_full },
- { F_ERR_DROPPED_DB, NULL, -1, 0, t4_db_dropped },
+ { DBFIFO_LP_INT, NULL, -1, 0, t4_db_full },
+ { DBFIFO_HP_INT, NULL, -1, 0, t4_db_full },
+ { ERR_DROPPED_DB, NULL, -1, 0, t4_db_dropped },
{ ERR_DATA_CPL_ON_HIGH_QID1 | ERR_DATA_CPL_ON_HIGH_QID0,
"SGE IQID > 1023 received CPL for FL", -1, 0 },
{ ERR_BAD_DB_PIDX3, "SGE DBP 3 pidx increment too large", -1,
@@ -1520,7 +1520,7 @@ void t4_intr_enable(struct adapter *adapter)
ERR_BAD_DB_PIDX2 | ERR_BAD_DB_PIDX1 |
ERR_BAD_DB_PIDX0 | ERR_ING_CTXT_PRIO |
ERR_EGR_CTXT_PRIO | INGRESS_SIZE_ERR |
- F_DBFIFO_HP_INT | F_DBFIFO_LP_INT |
+ DBFIFO_HP_INT | DBFIFO_LP_INT |
EGRESS_SIZE_ERR);
t4_write_reg(adapter, MYPF_REG(PL_PF_INT_ENABLE), PF_INTR_MASK);
t4_set_reg_field(adapter, PL_INT_MAP0, 0, 1 << pf);
@@ -2033,8 +2033,8 @@ int t4_mem_win_read_len(struct adapter *adap, u32 addr, __be32 *data, int len)
if ((addr & 3) || (len + off) > MEMWIN0_APERTURE)
return -EINVAL;
- t4_write_reg(adap, A_PCIE_MEM_ACCESS_OFFSET, addr & ~15);
- t4_read_reg(adap, A_PCIE_MEM_ACCESS_OFFSET);
+ t4_write_reg(adap, PCIE_MEM_ACCESS_OFFSET, addr & ~15);
+ t4_read_reg(adap, PCIE_MEM_ACCESS_OFFSET);
for (i = 0; i < len; i += 4)
*data++ = t4_read_reg(adap, (MEMWIN0_BASE + off + i));
diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
index 111fc32..8e814bc 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_regs.h
@@ -190,58 +190,30 @@
#define SGE_DEBUG_DATA_LOW 0x10d4
#define SGE_INGRESS_QUEUES_PER_PAGE_PF 0x10f4
-#define S_LP_INT_THRESH 12
-#define V_LP_INT_THRESH(x) ((x) << S_LP_INT_THRESH)
#define S_HP_INT_THRESH 28
+#define M_HP_INT_THRESH 0xfU
#define V_HP_INT_THRESH(x) ((x) << S_HP_INT_THRESH)
+#define M_HP_COUNT 0x7ffU
+#define S_HP_COUNT 16
+#define G_HP_COUNT(x) (((x) >> S_HP_COUNT) & M_HP_COUNT)
+#define S_LP_INT_THRESH 12
+#define M_LP_INT_THRESH 0xfU
+#define V_LP_INT_THRESH(x) ((x) << S_LP_INT_THRESH)
+#define M_LP_COUNT 0x7ffU
+#define S_LP_COUNT 0
+#define G_LP_COUNT(x) (((x) >> S_LP_COUNT) & M_LP_COUNT)
#define A_SGE_DBFIFO_STATUS 0x10a4
#define S_ENABLE_DROP 13
#define V_ENABLE_DROP(x) ((x) << S_ENABLE_DROP)
#define F_ENABLE_DROP V_ENABLE_DROP(1U)
-#define A_SGE_DOORBELL_CONTROL 0x10a8
-
-#define A_SGE_CTXT_CMD 0x11fc
-#define A_SGE_DBQ_CTXT_BADDR 0x1084
-
-#define A_SGE_PF_KDOORBELL 0x0
-
-#define S_QID 15
-#define V_QID(x) ((x) << S_QID)
-
-#define S_PIDX 0
-#define V_PIDX(x) ((x) << S_PIDX)
-
-#define M_LP_COUNT 0x7ffU
-#define S_LP_COUNT 0
-#define G_LP_COUNT(x) (((x) >> S_LP_COUNT) & M_LP_COUNT)
-
-#define M_HP_COUNT 0x7ffU
-#define S_HP_COUNT 16
-#define G_HP_COUNT(x) (((x) >> S_HP_COUNT) & M_HP_COUNT)
-
-#define A_SGE_INT_ENABLE3 0x1040
-
-#define S_DBFIFO_HP_INT 8
-#define V_DBFIFO_HP_INT(x) ((x) << S_DBFIFO_HP_INT)
-#define F_DBFIFO_HP_INT V_DBFIFO_HP_INT(1U)
-
-#define S_DBFIFO_LP_INT 7
-#define V_DBFIFO_LP_INT(x) ((x) << S_DBFIFO_LP_INT)
-#define F_DBFIFO_LP_INT V_DBFIFO_LP_INT(1U)
-
#define S_DROPPED_DB 0
#define V_DROPPED_DB(x) ((x) << S_DROPPED_DB)
#define F_DROPPED_DB V_DROPPED_DB(1U)
+#define A_SGE_DOORBELL_CONTROL 0x10a8
-#define S_ERR_DROPPED_DB 18
-#define V_ERR_DROPPED_DB(x) ((x) << S_ERR_DROPPED_DB)
-#define F_ERR_DROPPED_DB V_ERR_DROPPED_DB(1U)
-
-#define A_PCIE_MEM_ACCESS_OFFSET 0x306c
-
-#define M_HP_INT_THRESH 0xfU
-#define M_LP_INT_THRESH 0xfU
+#define A_SGE_CTXT_CMD 0x11fc
+#define A_SGE_DBQ_CTXT_BADDR 0x1084
#define PCIE_PF_CLI 0x44
#define PCIE_INT_CAUSE 0x3004
--
1.7.1
--
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