/* socal.c: Sparc SUNW,socal (SOC+) Fibre Channel Sbus adapter support. * * Copyright (C) 1998,1999 Jakub Jelinek (jj@ultra.linux.cz) * * Sources: * Fibre Channel Physical & Signaling Interface (FC-PH), dpANS, 1994 * dpANS Fibre Channel Protocol for SCSI (X3.269-199X), Rev. 012, 1995 * SOC+ Programming Guide 0.1 * Fibre Channel Arbitrated Loop (FC-AL), dpANS rev. 4.5, 1995 * * Supported hardware: * On-board SOC+ adapters of Ultra Enterprise servers and sun4d. */ static char *version = "socal.c: SOC+ driver v1.1 9/Feb/99 Jakub Jelinek (jj@ultra.linux.cz)\n"; #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> #include <linux/types.h> #include <linux/fcntl.h> #include <linux/interrupt.h> #include <linux/ptrace.h> #include <linux/ioport.h> #include <linux/in.h> #include <linux/slab.h> #include <linux/string.h> #include <linux/init.h> #include <linux/bitops.h> #include <asm/system.h> #include <asm/io.h> #include <asm/dma.h> #include <linux/errno.h> #include <asm/byteorder.h> #include <asm/openprom.h> #include <asm/oplib.h> #include <asm/pgtable.h> #include <asm/irq.h> /* #define SOCALDEBUG */ /* #define HAVE_SOCAL_UCODE */ /* #define USE_64BIT_MODE */ #include "fcp_impl.h" #include "socal.h" #ifdef HAVE_SOCAL_UCODE #include "socal_asm.h" #endif #define socal_printk printk ("socal%d: ", s->socal_no); printk #ifdef SOCALDEBUG #define SOD(x) socal_printk x; #else #define SOD(x) #endif #define for_each_socal(s) for (s = socals; s; s = s->next) struct socal *socals = NULL; static void socal_copy_from_xram(void *d, void __iomem *xram, long size) { u32 *dp = (u32 *) d; while (size) { *dp++ = sbus_readl(xram); xram += sizeof(u32); size -= sizeof(u32); } } static void socal_copy_to_xram(void __iomem *xram, void *s, long size) { u32 *sp = (u32 *) s; while (size) { u32 val = *sp++; sbus_writel(val, xram); xram += sizeof(u32); size -= sizeof(u32); } } #ifdef HAVE_SOCAL_UCODE static void socal_bzero(unsigned long xram, int size) { while (size) { sbus_writel(0, xram); xram += sizeof(u32); size -= sizeof(u32); } } #endif static inline void socal_disable(struct socal *s) { sbus_writel(0, s->regs + IMASK); sbus_writel(SOCAL_CMD_SOFT_RESET, s->regs + CMD); } static inline void socal_enable(struct socal *s) { SOD(("enable %08x\n", s->cfg)) sbus_writel(0, s->regs + SAE); sbus_writel(s->cfg, s->regs + CFG); sbus_writel(SOCAL_CMD_RSP_QALL, s->regs + CMD); SOCAL_SETIMASK(s, SOCAL_IMASK_RSP_QALL | SOCAL_IMASK_SAE); SOD(("imask %08x %08x\n", s->imask, sbus_readl(s->regs + IMASK))); } static void socal_reset(fc_channel *fc) { socal_port *port = (socal_port *)fc; struct socal *s = port->s; /* FIXME */ socal_disable(s); s->req[0].seqno = 1; s->req[1].seqno = 1; s->rsp[0].seqno = 1; s->rsp[1].seqno = 1; s->req[0].in = 0; s->req[1].in = 0; s->rsp[0].in = 0; s->rsp[1].in = 0; s->req[0].out = 0; s->req[1].out = 0; s->rsp[0].out = 0; s->rsp[1].out = 0; /* FIXME */ socal_enable(s); } static inline void socal_solicited(struct socal *s, unsigned long qno) { socal_rsp *hwrsp; socal_cq *sw_cq; int token; int status; fc_channel *fc; sw_cq = &s->rsp[qno]; /* Finally an improvement against old SOC :) */ sw_cq->in = sbus_readb(s->regs + RESP + qno); SOD (("socal_solicited, %d packets arrived\n", (sw_cq->in - sw_cq->out) & sw_cq->last)) for (;;) { hwrsp = (socal_rsp *)sw_cq->pool + sw_cq->out; SOD(("hwrsp %p out %d\n", hwrsp, sw_cq->out)) #if defined(SOCALDEBUG) && 0 { u32 *u = (u32 *)hwrsp; SOD(("%08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x\n", u[0],u[1],u[2],u[3],u[4],u[5],u[6],u[7])) u += 8; SOD(("%08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x\n", u[0],u[1],u[2],u[3],u[4],u[5],u[6],u[7])) u = (u32 *)s->xram; while (u < ((u32 *)s->regs)) { if (sbus_readl(&u[0]) == 0x00003000 || sbus_readl(&u[0]) == 0x00003801) { SOD(("Found at %04lx\n", (unsigned long)u - (unsigned long)s->xram)) SOD((" %08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x\n", sbus_readl(&u[0]), sbus_readl(&u[1]), sbus_readl(&u[2]), sbus_readl(&u[3]), sbus_readl(&u[4]), sbus_readl(&u[5]), sbus_readl(&u[6]), sbus_readl(&u[7]))) u += 8; SOD((" %08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x\n", sbus_readl(&u[0]), sbus_readl(&u[1]), sbus_readl(&u[2]), sbus_readl(&u[3]), sbus_readl(&u[4]), sbus_readl(&u[5]), sbus_readl(&u[6]), sbus_readl(&u[7]))) u -= 8; } u++; } } #endif token = hwrsp->shdr.token; status = hwrsp->status; fc = (fc_channel *)(&s->port[(token >> 11) & 1]); SOD(("Solicited token %08x status %08x\n", token, status)) if (status == SOCAL_OK) { fcp_receive_solicited(fc, token >> 12, token & ((1 << 11) - 1), FC_STATUS_OK, NULL); } else { /* We have intentionally defined FC_STATUS_* constants * to match SOCAL_* constants, otherwise we'd have to * translate status. */ fcp_receive_solicited(fc, token >> 12, token & ((1 << 11) - 1), status, &hwrsp->fchdr); } if (++sw_cq->out > sw_cq->last) { sw_cq->seqno++; sw_cq->out = 0; } if (sw_cq->out == sw_cq->in) { sw_cq->in = sbus_readb(s->regs + RESP + qno); if (sw_cq->out == sw_cq->in) { /* Tell the hardware about it */ sbus_writel((sw_cq->out << 24) | (SOCAL_CMD_RSP_QALL & ~(SOCAL_CMD_RSP_Q0 << qno)), s->regs + CMD); /* Read it, so that we're sure it has been updated */ sbus_readl(s->regs + CMD); sw_cq->in = sbus_readb(s->regs + RESP + qno); if (sw_cq->out == sw_cq->in) break; } } } } static inline void socal_request (struct socal *s, u32 cmd) { SOCAL_SETIMASK(s, s->imask & ~(cmd & SOCAL_CMD_REQ_QALL)); SOD(("imask %08x %08x\n", s->imask, sbus_readl(s->regs + IMASK))); SOD(("Queues available %08x OUT %X\n", cmd, s->regs->reqpr[0])) if (s->port[s->curr_port].fc.state != FC_STATE_OFFLINE) { fcp_queue_empty ((fc_channel *)&(s->port[s->curr_port])); if (((s->req[1].in + 1) & s->req[1].last) != (s->req[1].out)) fcp_queue_empty ((fc_channel *)&(s->port[1 - s->curr_port])); } else { fcp_queue_empty ((fc_channel *)&(s->port[1 - s->curr_port])); } if (s->port[1 - s->curr_port].fc.state != FC_STATE_OFFLINE) s->curr_port ^= 1; } static inline void socal_unsolicited (struct socal *s, unsigned long qno) { socal_rsp *hwrsp, *hwrspc; socal_cq *sw_cq; int count; int status; int flags; fc_channel *fc; sw_cq = &s->rsp[qno]; sw_cq->in = sbus_readb(s->regs + RESP + qno); SOD (("socal_unsolicited, %d packets arrived, in %d\n", (sw_cq->in - sw_cq->out) & sw_cq->last, sw_cq->in)) while (sw_cq->in != sw_cq->out) { /* ...real work per entry here... */ hwrsp = (socal_rsp *)sw_cq->pool + sw_cq->out; SOD(("hwrsp %p out %d\n", hwrsp, sw_cq->out)) #if defined(SOCALDEBUG) && 0 { u32 *u = (u32 *)hwrsp; SOD(("%08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x\n", u[0],u[1],u[2],u[3],u[4],u[5],u[6],u[7])) u += 8; SOD(("%08x.%08x.%08x.%08x.%08x.%08x.%08x.%08x\n", u[0],u[1],u[2],u[3],u[4],u[5],u[6],u[7])) } #endif hwrspc = NULL; flags = hwrsp->shdr.flags; count = hwrsp->count; fc = (fc_channel *)&s->port[flags & SOCAL_PORT_B]; SOD(("FC %08lx\n", (long)fc)) if (count != 1) { /* Ugh, continuation entries */ u8 in; if (count != 2) { printk("%s: Too many continuations entries %d\n", fc->name, count); goto update_out; } in = sw_cq->in; if (in < sw_cq->out) in += sw_cq->last + 1; if (in < sw_cq->out + 2) { /* Ask the hardware if they haven't arrived yet. */ sbus_writel((sw_cq->out << 24) | (SOCAL_CMD_RSP_QALL & ~(SOCAL_CMD_RSP_Q0 << qno)), s->regs + CMD); /* Read it, so that we're sure it has been updated */ sbus_readl(s->regs + CMD); sw_cq->in = sbus_readb(s->regs + RESP + qno); in = sw_cq->in; if (in < sw_cq->out) in += sw_cq->last + 1; if (in < sw_cq->out + 2) /* Nothing came, let us wait */ return; } if (sw_cq->out == sw_cq->last) hwrspc = (socal_rsp *)sw_cq->pool; else hwrspc = hwrsp + 1; } switch (flags & ~SOCAL_PORT_B) { case SOCAL_STATUS: status = hwrsp->status; switch (status) { case SOCAL_ONLINE: SOD(("State change to ONLINE\n")); fcp_state_change(fc, FC_STATE_ONLINE); break; case SOCAL_ONLINE_LOOP: SOD(("State change to ONLINE_LOOP\n")); fcp_state_change(fc, FC_STATE_ONLINE); break; case SOCAL_OFFLINE: SOD(("State change to OFFLINE\n")); fcp_state_change(fc, FC_STATE_OFFLINE); break; default: printk ("%s: Unknown STATUS no %d\n", fc->name, status); break; }; break; case (SOCAL_UNSOLICITED|SOCAL_FC_HDR): { int r_ctl = *((u8 *)&hwrsp->fchdr); unsigned len; if ((r_ctl & 0xf0) == R_CTL_EXTENDED_SVC) { len = hwrsp->shdr.bytecnt; if (len < 4 || !hwrspc) { printk ("%s: Invalid R_CTL %02x " "continuation entries\n", fc->name, r_ctl); } else { if (len > 60) len = 60; if (*(u32 *)hwrspc == LS_DISPLAY) { int i; for (i = 4; i < len; i++) if (((u8 *)hwrspc)[i] == '\n') ((u8 *)hwrspc)[i] = ' '; ((u8 *)hwrspc)[len] = 0; printk ("%s message: %s\n", fc->name, ((u8 *)hwrspc) + 4); } else { printk ("%s: Unknown LS_CMD " "%08x\n", fc->name, *(u32 *)hwrspc); } } } else { printk ("%s: Unsolicited R_CTL %02x " "not handled\n", fc->name, r_ctl); } } break; default: printk ("%s: Unexpected flags %08x\n", fc->name, flags); break; }; update_out: if (++sw_cq->out > sw_cq->last) { sw_cq->seqno++; sw_cq->out = 0; } if (hwrspc) { if (++sw_cq->out > sw_cq->last) { sw_cq->seqno++; sw_cq->out = 0; } } if (sw_cq->out == sw_cq->in) { sw_cq->in = sbus_readb(s->regs + RESP + qno); if (sw_cq->out == sw_cq->in) { /* Tell the hardware about it */ sbus_writel((sw_cq->out << 24) | (SOCAL_CMD_RSP_QALL & ~(SOCAL_CMD_RSP_Q0 << qno)), s->regs + CMD); /* Read it, so that we're sure it has been updated */ sbus_readl(s->regs + CMD); sw_cq->in = sbus_readb(s->regs + RESP + qno); } } } } static irqreturn_t socal_intr(int irq, void *dev_id, struct pt_regs *regs) { u32 cmd; unsigned long flags; register struct socal *s = (struct socal *)dev_id; spin_lock_irqsave(&s->lock, flags); cmd = sbus_readl(s->regs + CMD); for (; (cmd = SOCAL_INTR (s, cmd)); cmd = sbus_readl(s->regs + CMD)) { #ifdef SOCALDEBUG static int cnt = 0; if (cnt++ < 50) printk("soc_intr %08x\n", cmd); #endif if (cmd & SOCAL_CMD_RSP_Q2) socal_unsolicited (s, SOCAL_UNSOLICITED_RSP_Q); if (cmd & SOCAL_CMD_RSP_Q1) socal_unsolicited (s, SOCAL_SOLICITED_BAD_RSP_Q); if (cmd & SOCAL_CMD_RSP_Q0) socal_solicited (s, SOCAL_SOLICITED_RSP_Q); if (cmd & SOCAL_CMD_REQ_QALL) socal_request (s, cmd); } spin_unlock_irqrestore(&s->lock, flags); return IRQ_HANDLED; } #define TOKEN(proto, port, token) (((proto)<<12)|(token)|(port)) static int socal_hw_enque (fc_channel *fc, fcp_cmnd *fcmd) { socal_port *port = (socal_port *)fc; struct socal *s = port->s; unsigned long qno; socal_cq *sw_cq; int cq_next_in; socal_req *request; fc_hdr *fch; int i; if (fcmd->proto == TYPE_SCSI_FCP) qno = 1; else qno = 0; SOD(("Putting a FCP packet type %d into hw queue %d\n", fcmd->proto, qno)) if (s->imask & (SOCAL_IMASK_REQ_Q0 << qno)) { SOD(("EIO %08x\n", s->imask)) return -EIO; } sw_cq = s->req + qno; cq_next_in = (sw_cq->in + 1) & sw_cq->last; if (cq_next_in == sw_cq->out && cq_next_in == (sw_cq->out = sbus_readb(s->regs + REQP + qno))) { SOD(("%d IN %d OUT %d LAST %d\n", qno, sw_cq->in, sw_cq->out, sw_cq->last)) SOCAL_SETIMASK(s, s->imask | (SOCAL_IMASK_REQ_Q0 << qno)); SOD(("imask %08x %08x\n", s->imask, sbus_readl(s->regs + IMASK))); /* If queue is full, just say NO. */ return -EBUSY; } request = sw_cq->pool + sw_cq->in; fch = &request->fchdr; switch (fcmd->proto) { case TYPE_SCSI_FCP: request->shdr.token = TOKEN(TYPE_SCSI_FCP, port->mask, fcmd->token); request->data[0].base = fc->dma_scsi_cmd + fcmd->token * sizeof(fcp_cmd); request->data[0].count = sizeof(fcp_cmd); request->data[1].base = fc->dma_scsi_rsp + fcmd->token * fc->rsp_size; request->data[1].count = fc->rsp_size; if (fcmd->data) { request->shdr.segcnt = 3; i = fc->scsi_cmd_pool[fcmd->token].fcp_data_len; request->shdr.bytecnt = i; request->data[2].base = fcmd->data; request->data[2].count = i; request->type = (fc->scsi_cmd_pool[fcmd->token].fcp_cntl & FCP_CNTL_WRITE) ? SOCAL_CQTYPE_IO_WRITE : SOCAL_CQTYPE_IO_READ; } else { request->shdr.segcnt = 2; request->shdr.bytecnt = 0; request->data[2].base = 0; request->data[2].count = 0; request->type = SOCAL_CQTYPE_SIMPLE; } FILL_FCHDR_RCTL_DID(fch, R_CTL_COMMAND, fcmd->did); FILL_FCHDR_SID(fch, fc->sid); FILL_FCHDR_TYPE_FCTL(fch, TYPE_SCSI_FCP, F_CTL_FIRST_SEQ | F_CTL_SEQ_INITIATIVE); FILL_FCHDR_SEQ_DF_SEQ(fch, 0, 0, 0); FILL_FCHDR_OXRX(fch, 0xffff, 0xffff); fch->param = 0; request->shdr.flags = port->flags; request->shdr.class = fc->posmap ? 3 : 2; break; case PROTO_OFFLINE: memset (request, 0, sizeof(*request)); request->shdr.token = TOKEN(PROTO_OFFLINE, port->mask, fcmd->token); request->type = SOCAL_CQTYPE_OFFLINE; FILL_FCHDR_RCTL_DID(fch, R_CTL_COMMAND, fcmd->did); FILL_FCHDR_SID(fch, fc->sid); FILL_FCHDR_TYPE_FCTL(fch, TYPE_SCSI_FCP, F_CTL_FIRST_SEQ | F_CTL_SEQ_INITIATIVE); FILL_FCHDR_SEQ_DF_SEQ(fch, 0, 0, 0); FILL_FCHDR_OXRX(fch, 0xffff, 0xffff); request->shdr.flags = port->flags; break; case PROTO_REPORT_AL_MAP: memset (request, 0, sizeof(*request)); request->shdr.token = TOKEN(PROTO_REPORT_AL_MAP, port->mask, fcmd->token); request->type = SOCAL_CQTYPE_REPORT_MAP; request->shdr.flags = port->flags; request->shdr.segcnt = 1; request->shdr.bytecnt = sizeof(fc_al_posmap); request->data[0].base = fcmd->cmd; request->data[0].count = sizeof(fc_al_posmap); break; default: request->shdr.token = TOKEN(fcmd->proto, port->mask, fcmd->token); request->shdr.class = fc->posmap ? 3 : 2; request->shdr.flags = port->flags; memcpy (fch, &fcmd->fch, sizeof(fc_hdr)); request->data[0].count = fcmd->cmdlen; request->data[1].count = fcmd->rsplen; request->type = fcmd->class; switch (fcmd->class) { case FC_CLASS_OUTBOUND: request->data[0].base = fcmd->cmd; request->data[0].count = fcmd->cmdlen; request->type = SOCAL_CQTYPE_OUTBOUND; request->shdr.bytecnt = fcmd->cmdlen; request->shdr.segcnt = 1; break; case FC_CLASS_INBOUND: request->data[0].base = fcmd->rsp; request->data[0].count = fcmd->rsplen; request->type = SOCAL_CQTYPE_INBOUND; request->shdr.bytecnt = 0; request->shdr.segcnt = 1; break; case FC_CLASS_SIMPLE: request->data[0].base = fcmd->cmd; request->data[1].base = fcmd->rsp; request->data[0].count = fcmd->cmdlen; request->data[1].count = fcmd->rsplen; request->type = SOCAL_CQTYPE_SIMPLE; request->shdr.bytecnt = fcmd->cmdlen; request->shdr.segcnt = 2; break; case FC_CLASS_IO_READ: case FC_CLASS_IO_WRITE: request->data[0].base = fcmd->cmd; request->data[1].base = fcmd->rsp; request->data[0].count = fcmd->cmdlen; request->data[1].count = fcmd->rsplen; request->type = (fcmd->class == FC_CLASS_IO_READ) ? SOCAL_CQTYPE_IO_READ : SOCAL_CQTYPE_IO_WRITE; if (fcmd->data) { request->data[2].base = fcmd->data; request->data[2].count = fcmd->datalen; request->shdr.bytecnt = fcmd->datalen; request->shdr.segcnt = 3; } else { request->shdr.bytecnt = 0; request->shdr.segcnt = 2; } break; } break; } request->count = 1; request->flags = 0; request->seqno = sw_cq->seqno; SOD(("queueing token %08x\n", request->shdr.token)) /* And now tell the SOCAL about it */ if (++sw_cq->in > sw_cq->last) { sw_cq->in = 0; sw_cq->seqno++; } SOD(("Putting %08x into cmd\n", SOCAL_CMD_RSP_QALL | (sw_cq->in << 24) | (SOCAL_CMD_REQ_Q0 << qno))) sbus_writel(SOCAL_CMD_RSP_QALL | (sw_cq->in << 24) | (SOCAL_CMD_REQ_Q0 << qno), s->regs + CMD); /* Read so that command is completed */ sbus_readl(s->regs + CMD); return 0; } static inline void socal_download_fw(struct socal *s) { #ifdef HAVE_SOCAL_UCODE SOD(("Loading %ld bytes from %p to %p\n", sizeof(socal_ucode), socal_ucode, s->xram)) socal_copy_to_xram(s->xram, socal_ucode, sizeof(socal_ucode)); SOD(("Clearing the rest of memory\n")) socal_bzero (s->xram + sizeof(socal_ucode), 65536 - sizeof(socal_ucode)); SOD(("Done\n")) #endif } /* Check for what the best SBUS burst we can use happens * to be on this machine. */ static inline void socal_init_bursts(struct socal *s, struct sbus_dev *sdev) { int bsizes, bsizes_more; u32 cfg; bsizes = (prom_getintdefault(sdev->prom_node,"burst-sizes",0xff) & 0xff); bsizes_more = (prom_getintdefault(sdev->bus->prom_node, "burst-sizes", 0xff) & 0xff); bsizes &= bsizes_more; #ifdef USE_64BIT_MODE #ifdef __sparc_v9__ mmu_set_sbus64(sdev, bsizes >> 16); #endif #endif if ((bsizes & 0x7f) == 0x7f) cfg = SOCAL_CFG_BURST_64; else if ((bsizes & 0x3f) == 0x3f) cfg = SOCAL_CFG_BURST_32; else if ((bsizes & 0x1f) == 0x1f) cfg = SOCAL_CFG_BURST_16; else cfg = SOCAL_CFG_BURST_4; #ifdef USE_64BIT_MODE #ifdef __sparc_v9__ /* What is BURST_128? -jj */ if ((bsizes & 0x780000) == 0x780000) cfg |= (SOCAL_CFG_BURST_64 << 8) | SOCAL_CFG_SBUS_ENHANCED; else if ((bsizes & 0x380000) == 0x380000) cfg |= (SOCAL_CFG_BURST_32 << 8) | SOCAL_CFG_SBUS_ENHANCED; else if ((bsizes & 0x180000) == 0x180000) cfg |= (SOCAL_CFG_BURST_16 << 8) | SOCAL_CFG_SBUS_ENHANCED; else cfg |= (SOCAL_CFG_BURST_8 << 8) | SOCAL_CFG_SBUS_ENHANCED; #endif #endif s->cfg = cfg; } static inline void socal_init(struct sbus_dev *sdev, int no) { unsigned char tmp[60]; int propl; struct socal *s; static unsigned version_printed = 0; socal_hw_cq cq[8]; int size, i; int irq, node; s = kzalloc (sizeof (struct socal), GFP_KERNEL); if (!s) return; spin_lock_init(&s->lock); s->socal_no = no; SOD(("socals %08lx socal_intr %08lx socal_hw_enque %08lx\n", (long)socals, (long)socal_intr, (long)socal_hw_enque)) if (version_printed++ == 0) printk (version); s->port[0].fc.module = THIS_MODULE; s->port[1].fc.module = THIS_MODULE; s->next = socals; socals = s; s->port[0].fc.dev = sdev; s->port[1].fc.dev = sdev; s->port[0].s = s; s->port[1].s = s; s->port[0].fc.next = &s->port[1].fc; /* World Wide Name of SOCAL */ propl = prom_getproperty (sdev->prom_node, "wwn", tmp, sizeof(tmp)); if (propl != sizeof (fc_wwn)) { s->wwn.naaid = NAAID_IEEE_REG; s->wwn.nportid = 0x123; s->wwn.hi = 0x1234; s->wwn.lo = 0x12345678; } else memcpy (&s->wwn, tmp, sizeof (fc_wwn)); memcpy (&s->port[0].fc.wwn_nport, &s->wwn, sizeof (fc_wwn)); s->port[0].fc.wwn_nport.lo++; memcpy (&s->port[1].fc.wwn_nport, &s->wwn, sizeof (fc_wwn)); s->port[1].fc.wwn_nport.lo+=2; node = prom_getchild (sdev->prom_node); while (node && (node = prom_searchsiblings (node, "sf"))) { int port; port = prom_getintdefault(node, "port#", -1); switch (port) { case 0: case 1: if (prom_getproplen(node, "port-wwn") == sizeof (fc_wwn)) prom_getproperty (node, "port-wwn", (char *)&s->port[port].fc.wwn_nport, sizeof (fc_wwn)); break; default: break; }; node = prom_getsibling(node); } memcpy (&s->port[0].fc.wwn_node, &s->wwn, sizeof (fc_wwn)); memcpy (&s->port[1].fc.wwn_node, &s->wwn, sizeof (fc_wwn)); SOD(("Got wwns %08x%08x ports %08x%08x and %08x%08x\n", *(u32 *)&s->port[0].fc.wwn_node, s->port[0].fc.wwn_node.lo, *(u32 *)&s->port[0].fc.wwn_nport, s->port[0].fc.wwn_nport.lo, *(u32 *)&s->port[1].fc.wwn_nport, s->port[1].fc.wwn_nport.lo)) s->port[0].fc.sid = 1; s->port[1].fc.sid = 17; s->port[0].fc.did = 2; s->port[1].fc.did = 18; s->port[0].fc.reset = socal_reset; s->port[1].fc.reset = socal_reset; if (sdev->num_registers == 1) { s->eeprom = sbus_ioremap(&sdev->resource[0], 0, sdev->reg_addrs[0].reg_size, "socal xram"); if (sdev->reg_addrs[0].reg_size > 0x20000) s->xram = s->eeprom + 0x10000UL; else s->xram = s->eeprom; s->regs = (s->xram + 0x10000UL); } else { /* E.g. starfire presents 3 registers for SOCAL */ s->xram = sbus_ioremap(&sdev->resource[1], 0, sdev->reg_addrs[1].reg_size, "socal xram"); s->regs = sbus_ioremap(&sdev->resource[2], 0, sdev->reg_addrs[2].reg_size, "socal regs"); } socal_init_bursts(s, sdev); SOD(("Disabling SOCAL\n")) socal_disable (s); irq = sdev->irqs[0]; if (request_irq (irq, socal_intr, IRQF_SHARED, "SOCAL", (void *)s)) { socal_printk ("Cannot order irq %d to go\n", irq); socals = s->next; return; } SOD(("SOCAL uses IRQ %d\n", irq)) s->port[0].fc.irq = irq; s->port[1].fc.irq = irq; sprintf (s->port[0].fc.name, "socal%d port A", no); sprintf (s->port[1].fc.name, "socal%d port B", no); s->port[0].flags = SOCAL_FC_HDR | SOCAL_PORT_A; s->port[1].flags = SOCAL_FC_HDR | SOCAL_PORT_B; s->port[1].mask = (1 << 11); s->port[0].fc.hw_enque = socal_hw_enque; s->port[1].fc.hw_enque = socal_hw_enque; socal_download_fw (s); SOD(("Downloaded firmware\n")) /* Now setup xram circular queues */ memset (cq, 0, sizeof(cq)); size = (SOCAL_CQ_REQ0_SIZE + SOCAL_CQ_REQ1_SIZE + SOCAL_CQ_RSP0_SIZE + SOCAL_CQ_RSP1_SIZE + SOCAL_CQ_RSP2_SIZE) * sizeof(socal_req); s->req_cpu = sbus_alloc_consistent(sdev, size, &s->req_dvma); s->req[0].pool = s->req_cpu; cq[0].address = s->req_dvma; s->req[1].pool = s->req[0].pool + SOCAL_CQ_REQ0_SIZE; s->rsp[0].pool = s->req[1].pool + SOCAL_CQ_REQ1_SIZE; s->rsp[1].pool = s->rsp[0].pool + SOCAL_CQ_RSP0_SIZE; s->rsp[2].pool = s->rsp[1].pool + SOCAL_CQ_RSP1_SIZE; s->req[0].hw_cq = (socal_hw_cq __iomem *)(s->xram + SOCAL_CQ_REQ_OFFSET); s->req[1].hw_cq = (socal_hw_cq __iomem *)(s->xram + SOCAL_CQ_REQ_OFFSET + sizeof(socal_hw_cq)); s->rsp[0].hw_cq = (socal_hw_cq __iomem *)(s->xram + SOCAL_CQ_RSP_OFFSET); s->rsp[1].hw_cq = (socal_hw_cq __iomem *)(s->xram + SOCAL_CQ_RSP_OFFSET + sizeof(socal_hw_cq)); s->rsp[2].hw_cq = (socal_hw_cq __iomem *)(s->xram + SOCAL_CQ_RSP_OFFSET + 2 * sizeof(socal_hw_cq)); cq[1].address = cq[0].address + (SOCAL_CQ_REQ0_SIZE * sizeof(socal_req)); cq[4].address = cq[1].address + (SOCAL_CQ_REQ1_SIZE * sizeof(socal_req)); cq[5].address = cq[4].address + (SOCAL_CQ_RSP0_SIZE * sizeof(socal_req)); cq[6].address = cq[5].address + (SOCAL_CQ_RSP1_SIZE * sizeof(socal_req)); cq[0].last = SOCAL_CQ_REQ0_SIZE - 1; cq[1].last = SOCAL_CQ_REQ1_SIZE - 1; cq[4].last = SOCAL_CQ_RSP0_SIZE - 1; cq[5].last = SOCAL_CQ_RSP1_SIZE - 1; cq[6].last = SOCAL_CQ_RSP2_SIZE - 1; for (i = 0; i < 8; i++) cq[i].seqno = 1; s->req[0].last = SOCAL_CQ_REQ0_SIZE - 1; s->req[1].last = SOCAL_CQ_REQ1_SIZE - 1; s->rsp[0].last = SOCAL_CQ_RSP0_SIZE - 1; s->rsp[1].last = SOCAL_CQ_RSP1_SIZE - 1; s->rsp[2].last = SOCAL_CQ_RSP2_SIZE - 1; s->req[0].seqno = 1; s->req[1].seqno = 1; s->rsp[0].seqno = 1; s->rsp[1].seqno = 1; s->rsp[2].seqno = 1; socal_copy_to_xram(s->xram + SOCAL_CQ_REQ_OFFSET, cq, sizeof(cq)); SOD(("Setting up params\n")) /* Make our sw copy of SOCAL service parameters */ socal_copy_from_xram(s->serv_params, s->xram + 0x280, sizeof (s->serv_params)); s->port[0].fc.common_svc = (common_svc_parm *)s->serv_params; s->port[0].fc.class_svcs = (svc_parm *)(s->serv_params + 0x20); s->port[1].fc.common_svc = (common_svc_parm *)&s->serv_params; s->port[1].fc.class_svcs = (svc_parm *)(s->serv_params + 0x20); socal_enable (s); SOD(("Enabled SOCAL\n")) } static int __init socal_probe(void) { struct sbus_bus *sbus; struct sbus_dev *sdev = NULL; struct socal *s; int cards = 0; for_each_sbus(sbus) { for_each_sbusdev(sdev, sbus) { if(!strcmp(sdev->prom_name, "SUNW,socal")) { socal_init(sdev, cards); cards++; } } } if (!cards) return -EIO; for_each_socal(s) if (s->next) s->port[1].fc.next = &s->next->port[0].fc; fcp_init (&socals->port[0].fc); return 0; } static void __exit socal_cleanup(void) { struct socal *s; int irq; struct sbus_dev *sdev; for_each_socal(s) { irq = s->port[0].fc.irq; free_irq (irq, s); fcp_release(&(s->port[0].fc), 2); sdev = s->port[0].fc.dev; if (sdev->num_registers == 1) { sbus_iounmap(s->eeprom, sdev->reg_addrs[0].reg_size); } else { sbus_iounmap(s->xram, sdev->reg_addrs[1].reg_size); sbus_iounmap(s->regs, sdev->reg_addrs[2].reg_size); } sbus_free_consistent(sdev, (SOCAL_CQ_REQ0_SIZE + SOCAL_CQ_REQ1_SIZE + SOCAL_CQ_RSP0_SIZE + SOCAL_CQ_RSP1_SIZE + SOCAL_CQ_RSP2_SIZE) * sizeof(socal_req), s->req_cpu, s->req_dvma); } } module_init(socal_probe); module_exit(socal_cleanup); MODULE_LICENSE("GPL");