socal.h
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上传日期:2013-04-10
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- /* 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 *hw_cq; /* Related XRAM cq */
- socal_req *pool;
- u8 in;
- u8 out;
- u8 last;
- u8 seqno;
- } socal_cq;
- struct socal {
- 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;
- unsigned long regs;
- unsigned long xram;
- unsigned long 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) */