From ee87a82a28cddbb9267a294172ecb3d3d3bdaa6c Mon Sep 17 00:00:00 2001 From: Michael Chan Date: Wed, 13 Oct 2010 14:06:51 +0000 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- 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 3f923a78e22e..92bac19ad60a 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 928af9e64824..6a4a0ae5cfe3 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 98ebac52013e..0dbeaec4f03a 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 -- 2.30.2