From 1ecd3902c6e16c2445165b872c49e73770b72da7 Mon Sep 17 00:00:00 2001 From: Matthew Wilcox Date: Mon, 15 Oct 2007 23:05:07 -0600 Subject: [SCSI] fc4: remove this and all associated drivers This code has been slowly rotting for about eight years. It's currently impeding a few SCSI cleanups, and nobody seems to have hardware to test it any more. I talked to Dave Miller about it, and he agrees we can delete it. If anyone wants a software FC stack in future, they can retrieve this driver from git. Signed-off-by: Matthew Wilcox Acked-by: David S. Miller Signed-off-by: James Bottomley --- drivers/fc4/socal.c | 904 ---------------------------------------------------- 1 file changed, 904 deletions(-) delete mode 100644 drivers/fc4/socal.c (limited to 'drivers/fc4/socal.c') diff --git a/drivers/fc4/socal.c b/drivers/fc4/socal.c deleted file mode 100644 index c903ebfab52..00000000000 --- a/drivers/fc4/socal.c +++ /dev/null @@ -1,904 +0,0 @@ -/* 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 -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -/* #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) -{ - 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"); -- cgit v1.2.3