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cnic: Add support for 57712 device
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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@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Michael Chan authored and David S. Miller committed Oct 14, 2010
1 parent a3ceeeb commit ee87a82
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Showing 3 changed files with 103 additions and 17 deletions.
94 changes: 79 additions & 15 deletions drivers/net/cnic.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand Down Expand Up @@ -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;
Expand All @@ -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;
Expand Down Expand Up @@ -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)
Expand Down Expand Up @@ -4208,14 +4236,16 @@ 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;
base = CNIC_RD(dev, MISC_REG_SHARED_MEM_ADDR);
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);

Expand Down Expand Up @@ -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);
Expand All @@ -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,
Expand All @@ -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);

Expand Down Expand Up @@ -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]);
Expand Down Expand Up @@ -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;
Expand Down Expand Up @@ -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;
Expand Down Expand Up @@ -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;
Expand All @@ -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;
Expand Down
22 changes: 22 additions & 0 deletions drivers/net/cnic.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -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))
Expand Down Expand Up @@ -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) | \
Expand Down
4 changes: 2 additions & 2 deletions drivers/net/cnic_if.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -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
Expand Down

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