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Date: Wed, 13 Oct 2010 17:06:51 -0700
From: "Michael Chan" <mchan@...adcom.com>
To: davem@...emloft.net
cc: netdev@...r.kernel.org
Subject: [PATCH 8/8 net-next] cnic: Add support for 57712 device
Add new interrupt ack functions and other hardware interface logic to
support the new device.
Update version to 2.2.6.
Signed-off-by: Michael Chan <mchan@...adcom.com>
---
drivers/net/cnic.c | 94 +++++++++++++++++++++++++++++++++++++++++--------
drivers/net/cnic.h | 22 +++++++++++
drivers/net/cnic_if.h | 4 +-
3 files changed, 103 insertions(+), 17 deletions(-)
diff --git a/drivers/net/cnic.c b/drivers/net/cnic.c
index 3f923a7..92bac19 100644
--- a/drivers/net/cnic.c
+++ b/drivers/net/cnic.c
@@ -1077,7 +1077,7 @@ static int cnic_alloc_bnx2x_context(struct cnic_dev *dev)
cp->ctx_blks = blks;
cp->ctx_blk_size = ctx_blk_size;
- if (BNX2X_CHIP_IS_E1H(cp->chip_id))
+ if (!BNX2X_CHIP_IS_57710(cp->chip_id))
cp->ctx_align = 0;
else
cp->ctx_align = ctx_blk_size;
@@ -2406,6 +2406,22 @@ static inline void cnic_ack_bnx2x_int(struct cnic_dev *dev, u8 id, u8 storm,
CNIC_WR(dev, hc_addr, (*(u32 *)&igu_ack));
}
+static void cnic_ack_igu_sb(struct cnic_dev *dev, u8 igu_sb_id, u8 segment,
+ u16 index, u8 op, u8 update)
+{
+ struct igu_regular cmd_data;
+ u32 igu_addr = BAR_IGU_INTMEM + (IGU_CMD_INT_ACK_BASE + igu_sb_id) * 8;
+
+ cmd_data.sb_id_and_flags =
+ (index << IGU_REGULAR_SB_INDEX_SHIFT) |
+ (segment << IGU_REGULAR_SEGMENT_ACCESS_SHIFT) |
+ (update << IGU_REGULAR_BUPDATE_SHIFT) |
+ (op << IGU_REGULAR_ENABLE_INT_SHIFT);
+
+
+ CNIC_WR(dev, igu_addr, cmd_data.sb_id_and_flags);
+}
+
static void cnic_ack_bnx2x_msix(struct cnic_dev *dev)
{
struct cnic_local *cp = dev->cnic_priv;
@@ -2414,6 +2430,14 @@ static void cnic_ack_bnx2x_msix(struct cnic_dev *dev)
IGU_INT_DISABLE, 0);
}
+static void cnic_ack_bnx2x_e2_msix(struct cnic_dev *dev)
+{
+ struct cnic_local *cp = dev->cnic_priv;
+
+ cnic_ack_igu_sb(dev, cp->bnx2x_igu_sb_id, IGU_SEG_ACCESS_DEF, 0,
+ IGU_INT_DISABLE, 0);
+}
+
static u32 cnic_service_bnx2x_kcq(struct cnic_dev *dev, struct kcq_info *info)
{
u32 last_status = *info->status_idx_ptr;
@@ -2445,8 +2469,12 @@ static void cnic_service_bnx2x_bh(unsigned long data)
status_idx = cnic_service_bnx2x_kcq(dev, &cp->kcq1);
CNIC_WR16(dev, cp->kcq1.io_addr, cp->kcq1.sw_prod_idx + MAX_KCQ_IDX);
- cnic_ack_bnx2x_int(dev, cp->bnx2x_igu_sb_id, USTORM_ID,
- status_idx, IGU_INT_ENABLE, 1);
+ if (BNX2X_CHIP_IS_E2(cp->chip_id))
+ cnic_ack_igu_sb(dev, cp->bnx2x_igu_sb_id, IGU_SEG_ACCESS_DEF,
+ status_idx, IGU_INT_ENABLE, 1);
+ else
+ cnic_ack_bnx2x_int(dev, cp->bnx2x_igu_sb_id, USTORM_ID,
+ status_idx, IGU_INT_ENABLE, 1);
}
static int cnic_service_bnx2x(void *data, void *status_blk)
@@ -4208,7 +4236,7 @@ static void cnic_init_bnx2x_rx_ring(struct cnic_dev *dev,
static void cnic_get_bnx2x_iscsi_info(struct cnic_dev *dev)
{
struct cnic_local *cp = dev->cnic_priv;
- u32 base, addr, val;
+ u32 base, base2, addr, val;
int port = CNIC_PORT(cp);
dev->max_iscsi_conn = 0;
@@ -4216,6 +4244,8 @@ static void cnic_get_bnx2x_iscsi_info(struct cnic_dev *dev)
if (base == 0)
return;
+ base2 = CNIC_RD(dev, (CNIC_PATH(cp) ? MISC_REG_GENERIC_CR_1 :
+ MISC_REG_GENERIC_CR_0));
addr = BNX2X_SHMEM_ADDR(base,
dev_info.port_hw_config[port].iscsi_mac_upper);
@@ -4248,11 +4278,15 @@ static void cnic_get_bnx2x_iscsi_info(struct cnic_dev *dev)
val16 ^= 0x1e1e;
dev->max_iscsi_conn = val16;
}
- if (BNX2X_CHIP_IS_E1H(cp->chip_id)) {
+ if (BNX2X_CHIP_IS_E1H(cp->chip_id) || BNX2X_CHIP_IS_E2(cp->chip_id)) {
int func = CNIC_FUNC(cp);
u32 mf_cfg_addr;
- mf_cfg_addr = base + BNX2X_SHMEM_MF_BLK_OFFSET;
+ if (BNX2X_SHMEM2_HAS(base2, mf_cfg_addr))
+ mf_cfg_addr = CNIC_RD(dev, BNX2X_SHMEM2_ADDR(base2,
+ mf_cfg_addr));
+ else
+ mf_cfg_addr = base + BNX2X_SHMEM_MF_BLK_OFFSET;
addr = mf_cfg_addr +
offsetof(struct mf_cfg, func_mf_config[func].e1hov_tag);
@@ -4277,9 +4311,22 @@ static int cnic_start_bnx2x_hw(struct cnic_dev *dev)
struct cnic_eth_dev *ethdev = cp->ethdev;
int func = CNIC_FUNC(cp), ret, i;
u32 pfid;
- struct host_hc_status_block_e1x *sb = cp->status_blk.gen;
- cp->pfid = func;
+ if (BNX2X_CHIP_IS_E2(cp->chip_id)) {
+ u32 val = CNIC_RD(dev, MISC_REG_PORT4MODE_EN_OVWR);
+
+ if (!(val & 1))
+ val = CNIC_RD(dev, MISC_REG_PORT4MODE_EN);
+ else
+ val = (val >> 1) & 1;
+
+ if (val)
+ cp->pfid = func >> 1;
+ else
+ cp->pfid = func & 0x6;
+ } else {
+ cp->pfid = func;
+ }
pfid = cp->pfid;
ret = cnic_init_id_tbl(&cp->cid_tbl, MAX_ISCSI_TBL_SZ,
@@ -4294,10 +4341,21 @@ static int cnic_start_bnx2x_hw(struct cnic_dev *dev)
CSTORM_ISCSI_EQ_PROD_OFFSET(pfid, 0);
cp->kcq1.sw_prod_idx = 0;
- cp->kcq1.hw_prod_idx_ptr =
- &sb->sb.index_values[HC_INDEX_ISCSI_EQ_CONS];
- cp->kcq1.status_idx_ptr =
- &sb->sb.running_index[SM_RX_ID];
+ if (BNX2X_CHIP_IS_E2(cp->chip_id)) {
+ struct host_hc_status_block_e2 *sb = cp->status_blk.gen;
+
+ cp->kcq1.hw_prod_idx_ptr =
+ &sb->sb.index_values[HC_INDEX_ISCSI_EQ_CONS];
+ cp->kcq1.status_idx_ptr =
+ &sb->sb.running_index[SM_RX_ID];
+ } else {
+ struct host_hc_status_block_e1x *sb = cp->status_blk.gen;
+
+ cp->kcq1.hw_prod_idx_ptr =
+ &sb->sb.index_values[HC_INDEX_ISCSI_EQ_CONS];
+ cp->kcq1.status_idx_ptr =
+ &sb->sb.running_index[SM_RX_ID];
+ }
cnic_get_bnx2x_iscsi_info(dev);
@@ -4380,7 +4438,9 @@ static void cnic_init_rings(struct cnic_dev *dev)
cl_qzone_id = BNX2X_CL_QZONE_ID(cp, cli);
off = BAR_USTRORM_INTMEM +
- USTORM_RX_PRODS_E1X_OFFSET(CNIC_PORT(cp), cli);
+ (BNX2X_CHIP_IS_E2(cp->chip_id) ?
+ USTORM_RX_PRODS_E2_OFFSET(cl_qzone_id) :
+ USTORM_RX_PRODS_E1X_OFFSET(CNIC_PORT(cp), cli));
for (i = 0; i < sizeof(struct ustorm_eth_rx_producers) / 4; i++)
CNIC_WR(dev, off + i * 4, ((u32 *) &rx_prods)[i]);
@@ -4506,7 +4566,6 @@ static int cnic_start_hw(struct cnic_dev *dev)
return -EALREADY;
dev->regview = ethdev->io_base;
- cp->chip_id = ethdev->chip_id;
pci_dev_get(dev->pcidev);
cp->func = PCI_FUNC(dev->pcidev->devfn);
cp->status_blk.gen = ethdev->irq_arr[0].status_blk;
@@ -4683,6 +4742,7 @@ static struct cnic_dev *init_bnx2_cnic(struct net_device *dev)
cp = cdev->cnic_priv;
cp->ethdev = ethdev;
cdev->pcidev = pdev;
+ cp->chip_id = ethdev->chip_id;
cp->cnic_ops = &cnic_bnx2_ops;
cp->start_hw = cnic_start_bnx2_hw;
@@ -4737,6 +4797,7 @@ static struct cnic_dev *init_bnx2x_cnic(struct net_device *dev)
cp = cdev->cnic_priv;
cp->ethdev = ethdev;
cdev->pcidev = pdev;
+ cp->chip_id = ethdev->chip_id;
cp->cnic_ops = &cnic_bnx2x_ops;
cp->start_hw = cnic_start_bnx2x_hw;
@@ -4748,7 +4809,10 @@ static struct cnic_dev *init_bnx2x_cnic(struct net_device *dev)
cp->stop_cm = cnic_cm_stop_bnx2x_hw;
cp->enable_int = cnic_enable_bnx2x_int;
cp->disable_int_sync = cnic_disable_bnx2x_int_sync;
- cp->ack_int = cnic_ack_bnx2x_msix;
+ if (BNX2X_CHIP_IS_E2(cp->chip_id))
+ cp->ack_int = cnic_ack_bnx2x_e2_msix;
+ else
+ cp->ack_int = cnic_ack_bnx2x_msix;
cp->close_conn = cnic_close_bnx2x_conn;
cp->next_idx = cnic_bnx2x_next_idx;
cp->hw_idx = cnic_bnx2x_hw_idx;
diff --git a/drivers/net/cnic.h b/drivers/net/cnic.h
index 928af9e..6a4a0ae 100644
--- a/drivers/net/cnic.h
+++ b/drivers/net/cnic.h
@@ -372,15 +372,35 @@ struct bnx2x_bd_chain_next {
#define BNX2X_ISCSI_PBL_NOT_CACHED 0xff
#define BNX2X_ISCSI_PDU_HEADER_NOT_CACHED 0xff
+#define BNX2X_CHIP_NUM_57710 0x164e
#define BNX2X_CHIP_NUM_57711 0x164f
#define BNX2X_CHIP_NUM_57711E 0x1650
+#define BNX2X_CHIP_NUM_57712 0x1662
+#define BNX2X_CHIP_NUM_57712E 0x1663
+#define BNX2X_CHIP_NUM_57713 0x1651
+#define BNX2X_CHIP_NUM_57713E 0x1652
+
#define BNX2X_CHIP_NUM(x) (x >> 16)
+#define BNX2X_CHIP_IS_57710(x) \
+ (BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57710)
#define BNX2X_CHIP_IS_57711(x) \
(BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57711)
#define BNX2X_CHIP_IS_57711E(x) \
(BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57711E)
#define BNX2X_CHIP_IS_E1H(x) \
(BNX2X_CHIP_IS_57711(x) || BNX2X_CHIP_IS_57711E(x))
+#define BNX2X_CHIP_IS_57712(x) \
+ (BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57712)
+#define BNX2X_CHIP_IS_57712E(x) \
+ (BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57712E)
+#define BNX2X_CHIP_IS_57713(x) \
+ (BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57713)
+#define BNX2X_CHIP_IS_57713E(x) \
+ (BNX2X_CHIP_NUM(x) == BNX2X_CHIP_NUM_57713E)
+#define BNX2X_CHIP_IS_E2(x) \
+ (BNX2X_CHIP_IS_57712(x) || BNX2X_CHIP_IS_57712E(x) || \
+ BNX2X_CHIP_IS_57713(x) || BNX2X_CHIP_IS_57713E(x))
+
#define IS_E1H_OFFSET BNX2X_CHIP_IS_E1H(cp->chip_id)
#define BNX2X_RX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd))
@@ -409,6 +429,8 @@ struct bnx2x_bd_chain_next {
#define CNIC_PORT(cp) ((cp)->pfid & 1)
#define CNIC_FUNC(cp) ((cp)->func)
+#define CNIC_PATH(cp) (!BNX2X_CHIP_IS_E2(cp->chip_id) ? 0 :\
+ (CNIC_FUNC(cp) & 1))
#define CNIC_E1HVN(cp) ((cp)->pfid >> 1)
#define BNX2X_HW_CID(cp, x) ((CNIC_PORT(cp) << 23) | \
diff --git a/drivers/net/cnic_if.h b/drivers/net/cnic_if.h
index 98ebac5..0dbeaec 100644
--- a/drivers/net/cnic_if.h
+++ b/drivers/net/cnic_if.h
@@ -12,8 +12,8 @@
#ifndef CNIC_IF_H
#define CNIC_IF_H
-#define CNIC_MODULE_VERSION "2.2.5"
-#define CNIC_MODULE_RELDATE "September 29, 2010"
+#define CNIC_MODULE_VERSION "2.2.6"
+#define CNIC_MODULE_RELDATE "Oct 12, 2010"
#define CNIC_ULP_RDMA 0
#define CNIC_ULP_ISCSI 1
--
1.6.4.GIT
--
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