| /* socal.h: Definitions for Sparc SUNW,socal (SOC+) Fibre Channel Sbus driver. | |
| * | |
| * Copyright (C) 1998,1999 Jakub Jelinek (jj@ultra.linux.cz) | |
| */ | |
| #ifndef __SOCAL_H | |
| #define __SOCAL_H | |
| #include "fc.h" | |
| #include "fcp.h" | |
| #include "fcp_impl.h" | |
| /* Hardware register offsets and constants first {{{ */ | |
| #define CFG 0x00UL | |
| #define SAE 0x04UL | |
| #define CMD 0x08UL | |
| #define IMASK 0x0cUL | |
| #define REQP 0x10UL | |
| #define RESP 0x14UL | |
| /* Config Register */ | |
| #define SOCAL_CFG_EXT_RAM_BANK_MASK 0x07000000 | |
| #define SOCAL_CFG_EEPROM_BANK_MASK 0x00030000 | |
| #define SOCAL_CFG_BURST64_MASK 0x00000700 | |
| #define SOCAL_CFG_SBUS_PARITY_TEST 0x00000020 | |
| #define SOCAL_CFG_SBUS_PARITY_CHECK 0x00000010 | |
| #define SOCAL_CFG_SBUS_ENHANCED 0x00000008 | |
| #define SOCAL_CFG_BURST_MASK 0x00000007 | |
| /* Bursts */ | |
| #define SOCAL_CFG_BURST_4 0x00000000 | |
| #define SOCAL_CFG_BURST_8 0x00000003 | |
| #define SOCAL_CFG_BURST_16 0x00000004 | |
| #define SOCAL_CFG_BURST_32 0x00000005 | |
| #define SOCAL_CFG_BURST_64 0x00000006 | |
| #define SOCAL_CFG_BURST_128 0x00000007 | |
| /* Slave Access Error Register */ | |
| #define SOCAL_SAE_ALIGNMENT 0x00000004 | |
| #define SOCAL_SAE_UNSUPPORTED 0x00000002 | |
| #define SOCAL_SAE_PARITY 0x00000001 | |
| /* Command & Status Register */ | |
| #define SOCAL_CMD_RSP_QALL 0x000f0000 | |
| #define SOCAL_CMD_RSP_Q0 0x00010000 | |
| #define SOCAL_CMD_RSP_Q1 0x00020000 | |
| #define SOCAL_CMD_RSP_Q2 0x00040000 | |
| #define SOCAL_CMD_RSP_Q3 0x00080000 | |
| #define SOCAL_CMD_REQ_QALL 0x00000f00 | |
| #define SOCAL_CMD_REQ_Q0 0x00000100 | |
| #define SOCAL_CMD_REQ_Q1 0x00000200 | |
| #define SOCAL_CMD_REQ_Q2 0x00000400 | |
| #define SOCAL_CMD_REQ_Q3 0x00000800 | |
| #define SOCAL_CMD_SAE 0x00000080 | |
| #define SOCAL_CMD_INTR_PENDING 0x00000008 | |
| #define SOCAL_CMD_NON_QUEUED 0x00000004 | |
| #define SOCAL_CMD_IDLE 0x00000002 | |
| #define SOCAL_CMD_SOFT_RESET 0x00000001 | |
| /* Interrupt Mask Register */ | |
| #define SOCAL_IMASK_RSP_QALL 0x000f0000 | |
| #define SOCAL_IMASK_RSP_Q0 0x00010000 | |
| #define SOCAL_IMASK_RSP_Q1 0x00020000 | |
| #define SOCAL_IMASK_RSP_Q2 0x00040000 | |
| #define SOCAL_IMASK_RSP_Q3 0x00080000 | |
| #define SOCAL_IMASK_REQ_QALL 0x00000f00 | |
| #define SOCAL_IMASK_REQ_Q0 0x00000100 | |
| #define SOCAL_IMASK_REQ_Q1 0x00000200 | |
| #define SOCAL_IMASK_REQ_Q2 0x00000400 | |
| #define SOCAL_IMASK_REQ_Q3 0x00000800 | |
| #define SOCAL_IMASK_SAE 0x00000080 | |
| #define SOCAL_IMASK_NON_QUEUED 0x00000004 | |
| #define SOCAL_INTR(s, cmd) \ | |
| (((cmd & SOCAL_CMD_RSP_QALL) | ((~cmd) & SOCAL_CMD_REQ_QALL)) \ | |
| & s->imask) | |
| #define SOCAL_SETIMASK(s, i) \ | |
| do { (s)->imask = (i); \ | |
| sbus_writel((i), (s)->regs + IMASK); \ | |
| } while (0) | |
| #define SOCAL_MAX_EXCHANGES 1024 | |
| /* XRAM | |
| * | |
| * This is a 64KB register area. | |
| * From the documentation, it seems like it is finally able to cope | |
| * at least with 1,2,4 byte accesses for read and 2,4 byte accesses for write. | |
| */ | |
| /* Circular Queue */ | |
| #define SOCAL_CQ_REQ_OFFSET 0x200 | |
| #define SOCAL_CQ_RSP_OFFSET 0x220 | |
| typedef struct { | |
| u32 address; | |
| u8 in; | |
| u8 out; | |
| u8 last; | |
| u8 seqno; | |
| } socal_hw_cq; | |
| #define SOCAL_PORT_A 0x0000 /* From/To Port A */ | |
| #define SOCAL_PORT_B 0x0001 /* From/To Port A */ | |
| #define SOCAL_FC_HDR 0x0002 /* Contains FC Header */ | |
| #define SOCAL_NORSP 0x0004 /* Don't generate response nor interrupt */ | |
| #define SOCAL_NOINT 0x0008 /* Generate response but not interrupt */ | |
| #define SOCAL_XFERRDY 0x0010 /* Generate XFERRDY */ | |
| #define SOCAL_IGNOREPARAM 0x0020 /* Ignore PARAM field in the FC header */ | |
| #define SOCAL_COMPLETE 0x0040 /* Command completed */ | |
| #define SOCAL_UNSOLICITED 0x0080 /* For request this is the packet to establish unsolicited pools, */ | |
| /* for rsp this is unsolicited packet */ | |
| #define SOCAL_STATUS 0x0100 /* State change (on/off line) */ | |
| #define SOCAL_RSP_HDR 0x0200 /* Return frame header in any case */ | |
| typedef struct { | |
| u32 token; | |
| u16 flags; | |
| u8 class; | |
| u8 segcnt; | |
| u32 bytecnt; | |
| } socal_hdr; | |
| typedef struct { | |
| u32 base; | |
| u32 count; | |
| } socal_data; | |
| #define SOCAL_CQTYPE_NOP 0x00 | |
| #define SOCAL_CQTYPE_OUTBOUND 0x01 | |
| #define SOCAL_CQTYPE_INBOUND 0x02 | |
| #define SOCAL_CQTYPE_SIMPLE 0x03 | |
| #define SOCAL_CQTYPE_IO_WRITE 0x04 | |
| #define SOCAL_CQTYPE_IO_READ 0x05 | |
| #define SOCAL_CQTYPE_UNSOLICITED 0x06 | |
| #define SOCAL_CQTYPE_BYPASS_DEV 0x06 | |
| #define SOCAL_CQTYPE_DIAG 0x07 | |
| #define SOCAL_CQTYPE_OFFLINE 0x08 | |
| #define SOCAL_CQTYPE_ADD_POOL 0x09 | |
| #define SOCAL_CQTYPE_DELETE_POOL 0x0a | |
| #define SOCAL_CQTYPE_ADD_BUFFER 0x0b | |
| #define SOCAL_CQTYPE_ADD_POOL_BUFFER 0x0c | |
| #define SOCAL_CQTYPE_REQUEST_ABORT 0x0d | |
| #define SOCAL_CQTYPE_REQUEST_LIP 0x0e | |
| #define SOCAL_CQTYPE_REPORT_MAP 0x0f | |
| #define SOCAL_CQTYPE_RESPONSE 0x10 | |
| #define SOCAL_CQTYPE_INLINE 0x20 | |
| #define SOCAL_CQFLAGS_CONT 0x01 | |
| #define SOCAL_CQFLAGS_FULL 0x02 | |
| #define SOCAL_CQFLAGS_BADHDR 0x04 | |
| #define SOCAL_CQFLAGS_BADPKT 0x08 | |
| typedef struct { | |
| socal_hdr shdr; | |
| socal_data data[3]; | |
| fc_hdr fchdr; | |
| u8 count; | |
| u8 type; | |
| u8 flags; | |
| u8 seqno; | |
| } socal_req; | |
| #define SOCAL_OK 0 | |
| #define SOCAL_P_RJT 2 | |
| #define SOCAL_F_RJT 3 | |
| #define SOCAL_P_BSY 4 | |
| #define SOCAL_F_BSY 5 | |
| #define SOCAL_ONLINE 0x10 | |
| #define SOCAL_OFFLINE 0x11 | |
| #define SOCAL_TIMEOUT 0x12 | |
| #define SOCAL_OVERRUN 0x13 | |
| #define SOCAL_ONLINE_LOOP 0x14 | |
| #define SOCAL_OLD_PORT 0x15 | |
| #define SOCAL_AL_PORT 0x16 | |
| #define SOCAL_UNKOWN_CQ_TYPE 0x20 | |
| #define SOCAL_BAD_SEG_CNT 0x21 | |
| #define SOCAL_MAX_XCHG_EXCEEDED 0x22 | |
| #define SOCAL_BAD_XID 0x23 | |
| #define SOCAL_XCHG_BUSY 0x24 | |
| #define SOCAL_BAD_POOL_ID 0x25 | |
| #define SOCAL_INSUFFICIENT_CQES 0x26 | |
| #define SOCAL_ALLOC_FAIL 0x27 | |
| #define SOCAL_BAD_SID 0x28 | |
| #define SOCAL_NO_SEG_INIT 0x29 | |
| #define SOCAL_BAD_DID 0x2a | |
| #define SOCAL_ABORTED 0x30 | |
| #define SOCAL_ABORT_FAILED 0x31 | |
| typedef struct { | |
| socal_hdr shdr; | |
| u32 status; | |
| socal_data data; | |
| u8 xxx1[10]; | |
| u16 ncmds; | |
| fc_hdr fchdr; | |
| u8 count; | |
| u8 type; | |
| u8 flags; | |
| u8 seqno; | |
| } socal_rsp; | |
| typedef struct { | |
| socal_hdr shdr; | |
| u8 xxx1[48]; | |
| u8 count; | |
| u8 type; | |
| u8 flags; | |
| u8 seqno; | |
| } socal_cmdonly; | |
| #define SOCAL_DIAG_NOP 0x00 | |
| #define SOCAL_DIAG_INT_LOOP 0x01 | |
| #define SOCAL_DIAG_EXT_LOOP 0x02 | |
| #define SOCAL_DIAG_REM_LOOP 0x03 | |
| #define SOCAL_DIAG_XRAM_TEST 0x04 | |
| #define SOCAL_DIAG_SOC_TEST 0x05 | |
| #define SOCAL_DIAG_HCB_TEST 0x06 | |
| #define SOCAL_DIAG_SOCLB_TEST 0x07 | |
| #define SOCAL_DIAG_SRDSLB_TEST 0x08 | |
| #define SOCAL_DIAG_EXTOE_TEST 0x09 | |
| typedef struct { | |
| socal_hdr shdr; | |
| u32 cmd; | |
| u8 xxx1[44]; | |
| u8 count; | |
| u8 type; | |
| u8 flags; | |
| u8 seqno; | |
| } socal_diag_req; | |
| #define SOCAL_POOL_MASK_RCTL 0x800000 | |
| #define SOCAL_POOL_MASK_DID 0x700000 | |
| #define SOCAL_POOL_MASK_SID 0x070000 | |
| #define SOCAL_POOL_MASK_TYPE 0x008000 | |
| #define SOCAL_POOL_MASK_F_CTL 0x007000 | |
| #define SOCAL_POOL_MASK_SEQ_ID 0x000800 | |
| #define SOCAL_POOL_MASK_D_CTL 0x000400 | |
| #define SOCAL_POOL_MASK_SEQ_CNT 0x000300 | |
| #define SOCAL_POOL_MASK_OX_ID 0x0000f0 | |
| #define SOCAL_POOL_MASK_PARAM 0x00000f | |
| typedef struct { | |
| socal_hdr shdr; | |
| u32 pool_id; | |
| u32 header_mask; | |
| u32 buf_size; | |
| u32 entries; | |
| u8 xxx1[8]; | |
| fc_hdr fchdr; | |
| u8 count; | |
| u8 type; | |
| u8 flags; | |
| u8 seqno; | |
| } socal_pool_req; | |
| /* }}} */ | |
| /* Now our software structures and constants we use to drive the beast {{{ */ | |
| #define SOCAL_CQ_REQ0_SIZE 4 | |
| #define SOCAL_CQ_REQ1_SIZE 256 | |
| #define SOCAL_CQ_RSP0_SIZE 8 | |
| #define SOCAL_CQ_RSP1_SIZE 4 | |
| #define SOCAL_CQ_RSP2_SIZE 4 | |
| #define SOCAL_SOLICITED_RSP_Q 0 | |
| #define SOCAL_SOLICITED_BAD_RSP_Q 1 | |
| #define SOCAL_UNSOLICITED_RSP_Q 2 | |
| struct socal; | |
| typedef struct { | |
| /* This must come first */ | |
| fc_channel fc; | |
| struct socal *s; | |
| u16 flags; | |
| u16 mask; | |
| } socal_port; | |
| typedef struct { | |
| socal_hw_cq __iomem *hw_cq; /* Related XRAM cq */ | |
| socal_req *pool; | |
| u8 in; | |
| u8 out; | |
| u8 last; | |
| u8 seqno; | |
| } socal_cq; | |
| struct socal { | |
| spinlock_t lock; | |
| socal_port port[2]; /* Every SOCAL has one or two FC ports */ | |
| socal_cq req[4]; /* Request CQs */ | |
| socal_cq rsp[4]; /* Response CQs */ | |
| int socal_no; | |
| void __iomem *regs; | |
| void __iomem *xram; | |
| void __iomem *eeprom; | |
| fc_wwn wwn; | |
| u32 imask; /* Our copy of regs->imask */ | |
| u32 cfg; /* Our copy of regs->cfg */ | |
| char serv_params[80]; | |
| struct socal *next; | |
| int curr_port; /* Which port will have priority to fcp_queue_empty */ | |
| socal_req * req_cpu; | |
| u32 req_dvma; | |
| }; | |
| /* }}} */ | |
| #endif /* !(__SOCAL_H) */ |