From 9439f749441f3a7c2c8ef9e32b698cfe9ed60f48 Mon Sep 17 00:00:00 2001 From: Karen Xie Date: Tue, 8 Jul 2008 09:32:34 -0700 Subject: [PATCH] cxgb3 - Add iscsi support Add iSCSI (S3xx) support. Signed-off-by: Karen Xie Signed-off-by: Jeff Garzik --- drivers/net/cxgb3/cxgb3_ctl_defs.h | 5 +--- drivers/net/cxgb3/cxgb3_offload.c | 11 ++++++++ drivers/net/cxgb3/regs.h | 10 +++++--- drivers/net/cxgb3/t3_cpl.h | 40 ++++++++++++++++++++++++++++++ drivers/net/cxgb3/t3cdev.h | 1 + 5 files changed, 59 insertions(+), 8 deletions(-) diff --git a/drivers/net/cxgb3/cxgb3_ctl_defs.h b/drivers/net/cxgb3/cxgb3_ctl_defs.h index 6c4f3206691..d38e6cc9266 100644 --- a/drivers/net/cxgb3/cxgb3_ctl_defs.h +++ b/drivers/net/cxgb3/cxgb3_ctl_defs.h @@ -110,10 +110,7 @@ struct ulp_iscsi_info { unsigned int llimit; unsigned int ulimit; unsigned int tagmask; - unsigned int pgsz3; - unsigned int pgsz2; - unsigned int pgsz1; - unsigned int pgsz0; + u8 pgsz_factor[4]; unsigned int max_rxsz; unsigned int max_txsz; struct pci_dev *pdev; diff --git a/drivers/net/cxgb3/cxgb3_offload.c b/drivers/net/cxgb3/cxgb3_offload.c index ae6ff5df779..c69f4c0187d 100644 --- a/drivers/net/cxgb3/cxgb3_offload.c +++ b/drivers/net/cxgb3/cxgb3_offload.c @@ -207,6 +207,17 @@ static int cxgb_ulp_iscsi_ctl(struct adapter *adapter, unsigned int req, break; case ULP_ISCSI_SET_PARAMS: t3_write_reg(adapter, A_ULPRX_ISCSI_TAGMASK, uiip->tagmask); + /* set MaxRxData and MaxCoalesceSize to 16224 */ + t3_write_reg(adapter, A_TP_PARA_REG2, 0x3f603f60); + /* program the ddp page sizes */ + { + int i; + unsigned int val = 0; + for (i = 0; i < 4; i++) + val |= (uiip->pgsz_factor[i] & 0xF) << (8 * i); + if (val) + t3_write_reg(adapter, A_ULPRX_ISCSI_PSZ, val); + } break; default: ret = -EOPNOTSUPP; diff --git a/drivers/net/cxgb3/regs.h b/drivers/net/cxgb3/regs.h index 56717887934..4bda27c551c 100644 --- a/drivers/net/cxgb3/regs.h +++ b/drivers/net/cxgb3/regs.h @@ -1517,16 +1517,18 @@ #define A_ULPRX_ISCSI_TAGMASK 0x514 -#define S_HPZ0 0 -#define M_HPZ0 0xf -#define V_HPZ0(x) ((x) << S_HPZ0) -#define G_HPZ0(x) (((x) >> S_HPZ0) & M_HPZ0) +#define A_ULPRX_ISCSI_PSZ 0x518 #define A_ULPRX_TDDP_LLIMIT 0x51c #define A_ULPRX_TDDP_ULIMIT 0x520 #define A_ULPRX_TDDP_PSZ 0x528 +#define S_HPZ0 0 +#define M_HPZ0 0xf +#define V_HPZ0(x) ((x) << S_HPZ0) +#define G_HPZ0(x) (((x) >> S_HPZ0) & M_HPZ0) + #define A_ULPRX_STAG_LLIMIT 0x52c #define A_ULPRX_STAG_ULIMIT 0x530 diff --git a/drivers/net/cxgb3/t3_cpl.h b/drivers/net/cxgb3/t3_cpl.h index a666c5d51cc..917970ed24a 100644 --- a/drivers/net/cxgb3/t3_cpl.h +++ b/drivers/net/cxgb3/t3_cpl.h @@ -191,6 +191,9 @@ union opcode_tid { #define G_OPCODE(x) (((x) >> S_OPCODE) & 0xFF) #define G_TID(x) ((x) & 0xFFFFFF) +#define S_QNUM 0 +#define G_QNUM(x) (((x) >> S_QNUM) & 0xFFFF) + #define S_HASHTYPE 22 #define M_HASHTYPE 0x3 #define G_HASHTYPE(x) (((x) >> S_HASHTYPE) & M_HASHTYPE) @@ -779,6 +782,12 @@ struct tx_data_wr { __be32 param; }; +/* tx_data_wr.flags fields */ +#define S_TX_ACK_PAGES 21 +#define M_TX_ACK_PAGES 0x7 +#define V_TX_ACK_PAGES(x) ((x) << S_TX_ACK_PAGES) +#define G_TX_ACK_PAGES(x) (((x) >> S_TX_ACK_PAGES) & M_TX_ACK_PAGES) + /* tx_data_wr.param fields */ #define S_TX_PORT 0 #define M_TX_PORT 0x7 @@ -1452,4 +1461,35 @@ struct cpl_rdma_terminate { #define M_TERM_TID 0xFFFFF #define V_TERM_TID(x) ((x) << S_TERM_TID) #define G_TERM_TID(x) (((x) >> S_TERM_TID) & M_TERM_TID) + +/* ULP_TX opcodes */ +enum { ULP_MEM_READ = 2, ULP_MEM_WRITE = 3, ULP_TXPKT = 4 }; + +#define S_ULPTX_CMD 28 +#define M_ULPTX_CMD 0xF +#define V_ULPTX_CMD(x) ((x) << S_ULPTX_CMD) + +#define S_ULPTX_NFLITS 0 +#define M_ULPTX_NFLITS 0xFF +#define V_ULPTX_NFLITS(x) ((x) << S_ULPTX_NFLITS) + +struct ulp_mem_io { + WR_HDR; + __be32 cmd_lock_addr; + __be32 len; +}; + +/* ulp_mem_io.cmd_lock_addr fields */ +#define S_ULP_MEMIO_ADDR 0 +#define M_ULP_MEMIO_ADDR 0x7FFFFFF +#define V_ULP_MEMIO_ADDR(x) ((x) << S_ULP_MEMIO_ADDR) +#define S_ULP_MEMIO_LOCK 27 +#define V_ULP_MEMIO_LOCK(x) ((x) << S_ULP_MEMIO_LOCK) +#define F_ULP_MEMIO_LOCK V_ULP_MEMIO_LOCK(1U) + +/* ulp_mem_io.len fields */ +#define S_ULP_MEMIO_DATA_LEN 28 +#define M_ULP_MEMIO_DATA_LEN 0xF +#define V_ULP_MEMIO_DATA_LEN(x) ((x) << S_ULP_MEMIO_DATA_LEN) + #endif /* T3_CPL_H */ diff --git a/drivers/net/cxgb3/t3cdev.h b/drivers/net/cxgb3/t3cdev.h index 8556628fd5a..0a21cfbd2b2 100644 --- a/drivers/net/cxgb3/t3cdev.h +++ b/drivers/net/cxgb3/t3cdev.h @@ -64,6 +64,7 @@ struct t3cdev { void *l3opt; /* optional layer 3 data */ void *l4opt; /* optional layer 4 data */ void *ulp; /* ulp stuff */ + void *ulp_iscsi; /* ulp iscsi */ }; #endif /* _T3CDEV_H_ */ -- 2.41.1