[dpdk-dev] [PATCH v2 16/29] net/bnxt: use eal I/O device memory read/write API
Jerin Jacob
jerin.jacob at caviumnetworks.com
Tue Dec 27 10:49:22 CET 2016
From: Santosh Shukla <santosh.shukla at caviumnetworks.com>
Replace the raw I/O device memory read/write access with eal abstraction
for I/O device memory read/write access to fix portability issues across
different architectures.
CC: Stephen Hurd <stephen.hurd at broadcom.com>
CC: Ajit Khaparde <ajit.khaparde at broadcom.com>
Signed-off-by: Santosh Shukla <santosh.shukla at caviumnetworks.com>
Signed-off-by: Jerin Jacob <jerin.jacob at caviumnetworks.com>
---
drivers/net/bnxt/bnxt_cpr.h | 13 ++++++++-----
drivers/net/bnxt/bnxt_hwrm.c | 7 +++++--
drivers/net/bnxt/bnxt_txr.h | 6 +++---
3 files changed, 16 insertions(+), 10 deletions(-)
diff --git a/drivers/net/bnxt/bnxt_cpr.h b/drivers/net/bnxt/bnxt_cpr.h
index f9f2adb..83e5376 100644
--- a/drivers/net/bnxt/bnxt_cpr.h
+++ b/drivers/net/bnxt/bnxt_cpr.h
@@ -34,6 +34,8 @@
#ifndef _BNXT_CPR_H_
#define _BNXT_CPR_H_
+#include <rte_io.h>
+
#define CMP_VALID(cmp, raw_cons, ring) \
(!!(((struct cmpl_base *)(cmp))->info3_v & CMPL_BASE_V) == \
!((raw_cons) & ((ring)->ring_size)))
@@ -50,13 +52,14 @@
#define DB_CP_FLAGS (DB_KEY_CP | DB_IDX_VALID | DB_IRQ_DIS)
#define B_CP_DB_REARM(cpr, raw_cons) \
- (*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_REARM_FLAGS | \
- RING_CMP(cpr->cp_ring_struct, raw_cons)))
+ rte_write32((DB_CP_REARM_FLAGS | \
+ RING_CMP(((cpr)->cp_ring_struct), raw_cons)), \
+ ((cpr)->cp_doorbell))
#define B_CP_DIS_DB(cpr, raw_cons) \
- rte_smp_wmb(); \
- (*(uint32_t *)((cpr)->cp_doorbell) = (DB_CP_FLAGS | \
- RING_CMP(cpr->cp_ring_struct, raw_cons)))
+ rte_write32((DB_CP_FLAGS | \
+ RING_CMP(((cpr)->cp_ring_struct), raw_cons)), \
+ ((cpr)->cp_doorbell))
struct bnxt_ring;
struct bnxt_cp_ring_info {
diff --git a/drivers/net/bnxt/bnxt_hwrm.c b/drivers/net/bnxt/bnxt_hwrm.c
index 07e7124..c182152 100644
--- a/drivers/net/bnxt/bnxt_hwrm.c
+++ b/drivers/net/bnxt/bnxt_hwrm.c
@@ -50,6 +50,8 @@
#include "bnxt_vnic.h"
#include "hsi_struct_def_dpdk.h"
+#include <rte_io.h>
+
#define HWRM_CMD_TIMEOUT 2000
/*
@@ -72,7 +74,7 @@ static int bnxt_hwrm_send_message_locked(struct bnxt *bp, void *msg,
/* Write request msg to hwrm channel */
for (i = 0; i < msg_len; i += 4) {
bar = (uint8_t *)bp->bar0 + i;
- *(volatile uint32_t *)bar = *data;
+ rte_write32(*data, bar);
data++;
}
@@ -80,11 +82,12 @@ static int bnxt_hwrm_send_message_locked(struct bnxt *bp, void *msg,
for (; i < bp->max_req_len; i += 4) {
bar = (uint8_t *)bp->bar0 + i;
*(volatile uint32_t *)bar = 0;
+ rte_write32(0, bar);
}
/* Ring channel doorbell */
bar = (uint8_t *)bp->bar0 + 0x100;
- *(volatile uint32_t *)bar = 1;
+ rte_write32(1, bar);
/* Poll for the valid bit */
for (i = 0; i < HWRM_CMD_TIMEOUT; i++) {
diff --git a/drivers/net/bnxt/bnxt_txr.h b/drivers/net/bnxt/bnxt_txr.h
index 4c16101..5b09711 100644
--- a/drivers/net/bnxt/bnxt_txr.h
+++ b/drivers/net/bnxt/bnxt_txr.h
@@ -34,12 +34,12 @@
#ifndef _BNXT_TXR_H_
#define _BNXT_TXR_H_
+#include <rte_io.h>
+
#define MAX_TX_RINGS 16
#define BNXT_TX_PUSH_THRESH 92
-#define B_TX_DB(db, prod) \
- rte_smp_wmb(); \
- (*(uint32_t *)db = (DB_KEY_TX | prod))
+#define B_TX_DB(db, prod) rte_write32((DB_KEY_TX | (prod)), db)
struct bnxt_tx_ring_info {
uint16_t tx_prod;
--
2.5.5
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