diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/Makefile | 1 | ||||
| -rw-r--r-- | drivers/fc4/Kconfig | 81 | ||||
| -rw-r--r-- | drivers/fc4/Makefile | 9 | ||||
| -rw-r--r-- | drivers/fc4/fc-al.h | 27 | ||||
| -rw-r--r-- | drivers/fc4/fc.c | 1146 | ||||
| -rw-r--r-- | drivers/fc4/fc.h | 230 | ||||
| -rw-r--r-- | drivers/fc4/fc_syms.c | 30 | ||||
| -rw-r--r-- | drivers/fc4/fcp.h | 94 | ||||
| -rw-r--r-- | drivers/fc4/fcp_impl.h | 164 | ||||
| -rw-r--r-- | drivers/fc4/soc.c | 764 | ||||
| -rw-r--r-- | drivers/fc4/soc.h | 301 | ||||
| -rw-r--r-- | drivers/fc4/socal.c | 904 | ||||
| -rw-r--r-- | drivers/fc4/socal.h | 314 | ||||
| -rw-r--r-- | drivers/scsi/Makefile | 2 | ||||
| -rw-r--r-- | drivers/scsi/fcal.c | 317 | ||||
| -rw-r--r-- | drivers/scsi/fcal.h | 27 | ||||
| -rw-r--r-- | drivers/scsi/pluto.c | 349 | ||||
| -rw-r--r-- | drivers/scsi/pluto.h | 47 |
18 files changed, 0 insertions, 4807 deletions
diff --git a/drivers/Makefile b/drivers/Makefile index 174c27e..8c645bc 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -34,7 +34,6 @@ obj-$(CONFIG_NUBUS) += nubus/ obj-$(CONFIG_ATM) += atm/ obj-y += macintosh/ obj-$(CONFIG_IDE) += ide/ -obj-$(CONFIG_FC4) += fc4/ obj-$(CONFIG_SCSI) += scsi/ obj-$(CONFIG_ATA) += ata/ obj-$(CONFIG_FUSION) += message/ diff --git a/drivers/fc4/Kconfig b/drivers/fc4/Kconfig deleted file mode 100644 index 345dbe6..0000000 --- a/drivers/fc4/Kconfig +++ /dev/null @@ -1,81 +0,0 @@ -# -# FC4 device configuration -# - -menu "Fibre Channel support" - -config FC4 - tristate "Fibre Channel and FC4 SCSI support" - ---help--- - Fibre Channel is a high speed serial protocol mainly used to - connect large storage devices to the computer; it is compatible with - and intended to replace SCSI. - - This is an experimental support for storage arrays connected to your - computer using optical fibre cables and the "X3.269-199X Fibre - Channel Protocol for SCSI" specification. If you want to use this, - you need to say Y here and to "SCSI support" as well as to the - drivers for the storage array itself and for the interface adapter - such as SOC or SOC+. This subsystem could even serve for IP - networking, with some code extensions. - - If unsure, say N. - -comment "FC4 drivers" - depends on FC4 - -config FC4_SOC - tristate "Sun SOC/Sbus" - depends on FC4!=n && SPARC - help - Serial Optical Channel is an interface card with one or two Fibre - Optic ports, each of which can be connected to a disk array. Note - that if you have older firmware in the card, you'll need the - microcode from the Solaris driver to make it work. - - To compile this support as a module, choose M here: the module will - be called soc. - -config FC4_SOCAL - tristate "Sun SOC+ (aka SOCAL)" - depends on FC4!=n && SPARC - ---help--- - Serial Optical Channel Plus is an interface card with up to two - Fibre Optic ports. This card supports FC Arbitrated Loop (usually - A5000 or internal FC disks in E[3-6]000 machines through the - Interface Board). You'll probably need the microcode from the - Solaris driver to make it work. - - To compile this support as a module, choose M here: the module will - be called socal. - -comment "FC4 targets" - depends on FC4 - -config SCSI_PLUTO - tristate "SparcSTORAGE Array 100 and 200 series" - depends on FC4!=n && SCSI - help - If you never bought a disk array made by Sun, go with N. - - To compile this support as a module, choose M here: the module will - be called pluto. - -config SCSI_FCAL - tristate "Sun Enterprise Network Array (A5000 and EX500)" if SPARC - depends on FC4!=n && SCSI - help - This driver drives FC-AL disks connected through a Fibre Channel - card using the drivers/fc4 layer (currently only SOCAL). The most - common is either A5000 array or internal disks in E[3-6]000 - machines. - - To compile this support as a module, choose M here: the module will - be called fcal. - -config SCSI_FCAL - prompt "Generic FC-AL disk driver" - depends on FC4!=n && SCSI && !SPARC - -endmenu - diff --git a/drivers/fc4/Makefile b/drivers/fc4/Makefile deleted file mode 100644 index 0db3fbb..0000000 --- a/drivers/fc4/Makefile +++ /dev/null @@ -1,9 +0,0 @@ -# -# Makefile for the Linux Fibre Channel device drivers. -# - -fc4-objs := fc.o fc_syms.o - -obj-$(CONFIG_FC4) += fc4.o -obj-$(CONFIG_FC4_SOC) += soc.o -obj-$(CONFIG_FC4_SOCAL) += socal.o diff --git a/drivers/fc4/fc-al.h b/drivers/fc4/fc-al.h deleted file mode 100644 index 62d3ca4..0000000 --- a/drivers/fc4/fc-al.h +++ /dev/null @@ -1,27 +0,0 @@ -/* fc-al.h: Definitions for Fibre Channel Arbitrated Loop topology. - * - * Copyright (C) 1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - * - * Sources: - * Fibre Channel Arbitrated Loop (FC-AL), ANSI, Rev. 4.5, 1995 - */ - -#ifndef __FC_AL_H -#define __FC_AL_H - -/* Loop initialization payloads */ -#define FC_AL_LISM 0x11010000 /* Select Master, 12B payload */ -#define FC_AL_LIFA 0x11020000 /* Fabric Assign AL_PA bitmap, 20B payload */ -#define FC_AL_LIPA 0x11030000 /* Previously Acquired AL_PA bitmap, 20B payload */ -#define FC_AL_LIHA 0x11040000 /* Hard Assigned AL_PA bitmap, 20B payload */ -#define FC_AL_LISA 0x11050000 /* Soft Assigned AL_PA bitmap, 20B payload */ -#define FC_AL_LIRP 0x11060000 /* Report AL_PA position map, 132B payload */ -#define FC_AL_LILP 0x11070000 /* Loop AL_PA position map, 132B payload */ - -typedef struct { - u32 magic; - u8 len; - u8 alpa[127]; -} fc_al_posmap; - -#endif /* !(__FC_H) */ diff --git a/drivers/fc4/fc.c b/drivers/fc4/fc.c deleted file mode 100644 index 82de9e1..0000000 --- a/drivers/fc4/fc.c +++ /dev/null @@ -1,1146 +0,0 @@ -/* fc.c: Generic Fibre Channel and FC4 SCSI driver. - * - * Copyright (C) 1997,1998,1999 Jakub Jelinek (jj@ultra.linux.cz) - * Copyright (C) 1997,1998 Jirka Hanika (geo@ff.cuni.cz) - * - * There are two kinds of Fibre Channel adapters used in Linux. Either - * the adapter is "smart" and does all FC bookkeeping by itself and - * just presents a standard SCSI interface to the operating system - * (that's e.g. the case with Qlogic FC cards), or leaves most of the FC - * bookkeeping to the OS (e.g. soc, socal). Drivers for the former adapters - * will look like normal SCSI drivers (with the exception of max_id will be - * usually 127), the latter on the other side allows SCSI, IP over FC and other - * protocols. This driver tree is for the latter adapters. - * - * This file should support both Point-to-Point and Arbitrated Loop topologies. - * - * Sources: - * Fibre Channel Physical & Signaling Interface (FC-PH), dpANS, 1994 - * dpANS Fibre Channel Protocol for SCSI (X3.269-199X), Rev. 012, 1995 - * Fibre Channel Arbitrated Loop (FC-AL), Rev. 4.5, 1995 - * Fibre Channel Private Loop SCSI Direct Attach (FC-PLDA), Rev. 2.1, 1997 - */ - -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/jiffies.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 <asm/pgtable.h> -#include <asm/irq.h> -#include <asm/semaphore.h> -#include "fcp_impl.h" -#include <scsi/scsi_host.h> - -/* #define FCDEBUG */ - -#define fc_printk printk ("%s: ", fc->name); printk - -#ifdef FCDEBUG -#define FCD(x) fc_printk x; -#define FCND(x) printk ("FC: "); printk x; -#else -#define FCD(x) -#define FCND(x) -#endif - -#ifdef __sparc__ -#define dma_alloc_consistent(d,s,p) sbus_alloc_consistent(d,s,p) -#define dma_free_consistent(d,s,v,h) sbus_free_consistent(d,s,v,h) -#define dma_map_single(d,v,s,dir) sbus_map_single(d,v,s,dir) -#define dma_unmap_single(d,h,s,dir) sbus_unmap_single(d,h,s,dir) -#define dma_map_sg(d,s,n,dir) sbus_map_sg(d,s,n,dir) -#define dma_unmap_sg(d,s,n,dir) sbus_unmap_sg(d,s,n,dir) -#else -#define dma_alloc_consistent(d,s,p) pci_alloc_consistent(d,s,p) -#define dma_free_consistent(d,s,v,h) pci_free_consistent(d,s,v,h) -#define dma_map_single(d,v,s,dir) pci_map_single(d,v,s,dir) -#define dma_unmap_single(d,h,s,dir) pci_unmap_single(d,h,s,dir) -#define dma_map_sg(d,s,n,dir) pci_map_sg(d,s,n,dir) -#define dma_unmap_sg(d,s,n,dir) pci_unmap_sg(d,s,n,dir) -#endif - -#define FCP_CMND(SCpnt) ((fcp_cmnd *)&(SCpnt->SCp)) -#define FC_SCMND(SCpnt) ((fc_channel *)(SCpnt->device->host->hostdata[0])) -#define SC_FCMND(fcmnd) ((struct scsi_cmnd *)((long)fcmnd - (long)&(((struct scsi_cmnd *)0)->SCp))) - -static int fcp_scsi_queue_it(fc_channel *, struct scsi_cmnd *, fcp_cmnd *, int); -void fcp_queue_empty(fc_channel *); - -static void fcp_scsi_insert_queue (fc_channel *fc, fcp_cmnd *fcmd) -{ - if (!fc->scsi_que) { - fc->scsi_que = fcmd; - fcmd->next = fcmd; - fcmd->prev = fcmd; - } else { - fc->scsi_que->prev->next = fcmd; - fcmd->prev = fc->scsi_que->prev; - fc->scsi_que->prev = fcmd; - fcmd->next = fc->scsi_que; - } -} - -static void fcp_scsi_remove_queue (fc_channel *fc, fcp_cmnd *fcmd) -{ - if (fcmd == fcmd->next) { - fc->scsi_que = NULL; - return; - } - if (fcmd == fc->scsi_que) - fc->scsi_que = fcmd->next; - fcmd->prev->next = fcmd->next; - fcmd->next->prev = fcmd->prev; -} - -fc_channel *fc_channels = NULL; - -#define LSMAGIC 620829043 -typedef struct { - /* Must be first */ - struct semaphore sem; - int magic; - int count; - logi *logi; - fcp_cmnd *fcmds; - atomic_t todo; - struct timer_list timer; - unsigned char grace[0]; -} ls; - -#define LSOMAGIC 654907799 -typedef struct { - /* Must be first */ - struct semaphore sem; - int magic; - int count; - fcp_cmnd *fcmds; - atomic_t todo; - struct timer_list timer; -} lso; - -#define LSEMAGIC 84482456 -typedef struct { - /* Must be first */ - struct semaphore sem; - int magic; - int status; - struct timer_list timer; -} lse; - -static void fcp_login_timeout(unsigned long data) -{ - ls *l = (ls *)data; - FCND(("Login timeout\n")) - up(&l->sem); -} - -static void fcp_login_done(fc_channel *fc, int i, int status) -{ - fcp_cmnd *fcmd; - logi *plogi; - fc_hdr *fch; - ls *l = (ls *)fc->ls; - - FCD(("Login done %d %d\n", i, status)) - if (i < l->count) { - if (fc->state == FC_STATE_FPORT_OK) { - FCD(("Additional FPORT_OK received with status %d\n", status)) - return; - } - switch (status) { - case FC_STATUS_OK: /* Oh, we found a fabric */ - case FC_STATUS_P_RJT: /* Oh, we haven't found any */ - fc->state = FC_STATE_FPORT_OK; - fcmd = l->fcmds + i; - plogi = l->logi + 3 * i; - dma_unmap_single (fc->dev, fcmd->cmd, 3 * sizeof(logi), - DMA_BIDIRECTIONAL); - plogi->code = LS_PLOGI; - memcpy (&plogi->nport_wwn, &fc->wwn_nport, sizeof(fc_wwn)); - memcpy (&plogi->node_wwn, &fc->wwn_node, sizeof(fc_wwn)); - memcpy (&plogi->common, fc->common_svc, sizeof(common_svc_parm)); - memcpy (&plogi->class1, fc->class_svcs, 3*sizeof(svc_parm)); - fch = &fcmd->fch; - fcmd->token += l->count; - FILL_FCHDR_RCTL_DID(fch, R_CTL_ELS_REQ, fc->did); - FILL_FCHDR_SID(fch, fc->sid); -#ifdef FCDEBUG - { - int i; - unsigned *x = (unsigned *)plogi; - printk ("logi: "); - for (i = 0; i < 21; i++) - printk ("%08x ", x[i]); - printk ("\n"); - } -#endif - fcmd->cmd = dma_map_single (fc->dev, plogi, 3 * sizeof(logi), - DMA_BIDIRECTIONAL); - fcmd->rsp = fcmd->cmd + 2 * sizeof(logi); - if (fc->hw_enque (fc, fcmd)) - printk ("FC: Cannot enque PLOGI packet on %s\n", fc->name); - break; - case FC_STATUS_ERR_OFFLINE: - fc->state = FC_STATE_MAYBEOFFLINE; - FCD (("FC is offline %d\n", l->grace[i])) - break; - default: - printk ("FLOGI failed for %s with status %d\n", fc->name, status); - /* Do some sort of error recovery here */ - break; - } - } else { - i -= l->count; - if (fc->state != FC_STATE_FPORT_OK) { - FCD(("Unexpected N-PORT rsp received")) - return; - } - switch (status) { - case FC_STATUS_OK: - plogi = l->logi + 3 * i; - dma_unmap_single (fc->dev, l->fcmds[i].cmd, 3 * sizeof(logi), - DMA_BIDIRECTIONAL); - if (!fc->wwn_dest.lo && !fc->wwn_dest.hi) { - memcpy (&fc->wwn_dest, &plogi[1].node_wwn, sizeof(fc_wwn)); - FCD(("Dest WWN %08x%08x\n", *(u32 *)&fc->wwn_dest, fc->wwn_dest.lo)) - } else if (fc->wwn_dest.lo != plogi[1].node_wwn.lo || - fc->wwn_dest.hi != plogi[1].node_wwn.hi) { - printk ("%s: mismatch in wwns. Got %08x%08x, expected %08x%08x\n", - fc->name, - *(u32 *)&plogi[1].node_wwn, plogi[1].node_wwn.lo, - *(u32 *)&fc->wwn_dest, fc->wwn_dest.lo); - } - fc->state = FC_STATE_ONLINE; - printk ("%s: ONLINE\n", fc->name); - if (atomic_dec_and_test (&l->todo)) - up(&l->sem); - break; - case FC_STATUS_ERR_OFFLINE: - fc->state = FC_STATE_OFFLINE; - dma_unmap_single (fc->dev, l->fcmds[i].cmd, 3 * sizeof(logi), - DMA_BIDIRECTIONAL); - printk ("%s: FC is offline\n", fc->name); - if (atomic_dec_and_test (&l->todo)) - up(&l->sem); - break; - default: - printk ("PLOGI failed for %s with status %d\n", fc->name, status); - /* Do some sort of error recovery here */ - break; - } - } -} - -static void fcp_report_map_done(fc_channel *fc, int i, int status) -{ - fcp_cmnd *fcmd; - fc_hdr *fch; - unsigned char j; - ls *l = (ls *)fc->ls; - fc_al_posmap *p; - - FCD(("Report map done %d %d\n", i, status)) - switch (status) { - case FC_STATUS_OK: /* Ok, let's have a fun on a loop */ - dma_unmap_single (fc->dev, l->fcmds[i].cmd, 3 * sizeof(logi), - DMA_BIDIRECTIONAL); - p = (fc_al_posmap *)(l->logi + 3 * i); -#ifdef FCDEBUG - { - u32 *u = (u32 *)p; - FCD(("%08x\n", u[0])) - u ++; - FCD(("%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 - if ((p->magic & 0xffff0000) != FC_AL_LILP || !p->len) { - printk ("FC: Bad magic from REPORT_AL_MAP on %s - %08x\n", fc->name, p->magic); - fc->state = FC_STATE_OFFLINE; - } else { - fc->posmap = kzalloc(sizeof(fcp_posmap)+p->len, GFP_KERNEL); - if (!fc->posmap) { - printk("FC: Not enough memory, offlining channel\n"); - fc->state = FC_STATE_OFFLINE; - } else { - int k; - /* FIXME: This is where SOCAL transfers our AL-PA. - Keep it here till we found out what other cards do... */ - fc->sid = (p->magic & 0xff); - for (i = 0; i < p->len; i++) - if (p->alpa[i] == fc->sid) - break; - k = p->len; - if (i == p->len) - i = 0; - else { - p->len--; - i++; - } - fc->posmap->len = p->len; - for (j = 0; j < p->len; j++) { - if (i == k) i = 0; - fc->posmap->list[j] = p->alpa[i++]; - } - fc->state = FC_STATE_ONLINE; - } - } - printk ("%s: ONLINE\n", fc->name); - if (atomic_dec_and_test (&l->todo)) - up(&l->sem); - break; - case FC_STATUS_POINTTOPOINT: /* We're Point-to-Point, no AL... */ - FCD(("SID %d DID %d\n", fc->sid, fc->did)) - fcmd = l->fcmds + i; - dma_unmap_single(fc->dev, fcmd->cmd, 3 * sizeof(logi), - DMA_BIDIRECTIONAL); - fch = &fcmd->fch; - memset(l->logi + 3 * i, 0, 3 * sizeof(logi)); - FILL_FCHDR_RCTL_DID(fch, R_CTL_ELS_REQ, FS_FABRIC_F_PORT); - FILL_FCHDR_SID(fch, 0); - FILL_FCHDR_TYPE_FCTL(fch, TYPE_EXTENDED_LS, 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; - l->logi [3 * i].code = LS_FLOGI; - fcmd->cmd = dma_map_single (fc->dev, l->logi + 3 * i, 3 * sizeof(logi), - DMA_BIDIRECTIONAL); - fcmd->rsp = fcmd->cmd + sizeof(logi); - fcmd->cmdlen = sizeof(logi); - fcmd->rsplen = sizeof(logi); - fcmd->data = (dma_addr_t)NULL; - fcmd->class = FC_CLASS_SIMPLE; - fcmd->proto = TYPE_EXTENDED_LS; - if (fc->hw_enque (fc, fcmd)) - printk ("FC: Cannot enque FLOGI packet on %s\n", fc->name); - break; - case FC_STATUS_ERR_OFFLINE: - fc->state = FC_STATE_MAYBEOFFLINE; - FCD (("FC is offline %d\n", l->grace[i])) - break; - default: - printk ("FLOGI failed for %s with status %d\n", fc->name, status); - /* Do some sort of error recovery here */ - break; - } -} - -void fcp_register(fc_channel *fc, u8 type, int unregister) -{ - int size, i; - int slots = (fc->can_queue * 3) >> 1; - - FCND(("Going to %sregister\n", unregister ? "un" : "")) - - if (type == TYPE_SCSI_FCP) { - if (!unregister) { - fc->scsi_cmd_pool = (fcp_cmd *) - dma_alloc_consistent (fc->dev, - slots * (sizeof (fcp_cmd) + fc->rsp_size), - &fc->dma_scsi_cmd); - fc->scsi_rsp_pool = (char *)(fc->scsi_cmd_pool + slots); - fc->dma_scsi_rsp = fc->dma_scsi_cmd + slots * sizeof (fcp_cmd); - fc->scsi_bitmap_end = (slots + 63) & ~63; - size = fc->scsi_bitmap_end / 8; - fc->scsi_bitmap = kzalloc (size, GFP_KERNEL); - set_bit (0, fc->scsi_bitmap); - for (i = fc->can_queue; i < fc->scsi_bitmap_end; i++) - set_bit (i, fc->scsi_bitmap); - fc->scsi_free = fc->can_queue; - fc->cmd_slots = kzalloc(slots * sizeof(fcp_cmnd*), GFP_KERNEL); - fc->abort_count = 0; - } else { - fc->scsi_name[0] = 0; - kfree (fc->scsi_bitmap); - kfree (fc->cmd_slots); - FCND(("Unregistering\n")); -#if 0 - if (fc->rst_pkt) { - if (fc->rst_pkt->eh_state == SCSI_STATE_UNUSED) - kfree(fc->rst_pkt); - else { - /* Can't happen. Some memory would be lost. */ - printk("FC: Reset in progress. Now?!"); - } - } -#endif - FCND(("Unregistered\n")); - } - } else - printk ("FC: %segistering unknown type %02x\n", unregister ? "Unr" : "R", type); -} - -static void fcp_scsi_done(struct scsi_cmnd *SCpnt); - -static inline void fcp_scsi_receive(fc_channel *fc, int token, int status, fc_hdr *fch) -{ - fcp_cmnd *fcmd; - fcp_rsp *rsp; - int host_status; - struct scsi_cmnd *SCpnt; - int sense_len; - int rsp_status; - - fcmd = fc->cmd_slots[token]; - if (!fcmd) return; - rsp = (fcp_rsp *) (fc->scsi_rsp_pool + fc->rsp_size * token); - SCpnt = SC_FCMND(fcmd); - - if (SCpnt->done != fcp_scsi_done) - return; - - rsp_status = rsp->fcp_status; - FCD(("rsp_status %08x status %08x\n", rsp_status, status)) - switch (status) { - case FC_STATUS_OK: - host_status=DID_OK; - - if (rsp_status & FCP_STATUS_RESID) { -#ifdef FCDEBUG - FCD(("Resid %d\n", rsp->fcp_resid)) - { - fcp_cmd *cmd = fc->scsi_cmd_pool + token; - int i; - - printk ("Command "); - for (i = 0; i < sizeof(fcp_cmd); i+=4) - printk ("%08x ", *(u32 *)(((char *)cmd)+i)); - printk ("\nResponse "); - for (i = 0; i < fc->rsp_size; i+=4) - printk ("%08x ", *(u32 *)(((char *)rsp)+i)); - printk ("\n"); - } -#endif - } - - if (rsp_status & FCP_STATUS_SENSE_LEN) { - sense_len = rsp->fcp_sense_len; - if (sense_len > sizeof(SCpnt->sense_buffer)) sense_len = sizeof(SCpnt->sense_buffer); - memcpy(SCpnt->sense_buffer, ((char *)(rsp+1)), sense_len); - } - - if (fcmd->data) - dma_unmap_sg(fc->dev, scsi_sglist(SCpnt), - scsi_sg_count(SCpnt), - SCpnt->sc_data_direction); - break; - default: - host_status=DID_ERROR; /* FIXME */ - FCD(("Wrong FC status %d for token %d\n", status, token)) - break; - } - - if (status_byte(rsp_status) == QUEUE_FULL) { - printk ("%s: (%d,%d) Received rsp_status 0x%x\n", fc->name, SCpnt->device->channel, SCpnt->device->id, rsp_status); - } - - SCpnt->result = (host_status << 16) | (rsp_status & 0xff); -#ifdef FCDEBUG - if (host_status || SCpnt->result || rsp_status) printk("FC: host_status %d, packet status %d\n", - host_status, SCpnt->result); -#endif - SCpnt->done = fcmd->done; - fcmd->done=NULL; - clear_bit(token, fc->scsi_bitmap); - fc->scsi_free++; - FCD(("Calling scsi_done with %08x\n", SCpnt->result)) - SCpnt->scsi_done(SCpnt); -} - -void fcp_receive_solicited(fc_channel *fc, int proto, int token, int status, fc_hdr *fch) -{ - int magic; - FCD(("receive_solicited %d %d %d\n", proto, token, status)) - switch (proto) { - case TYPE_SCSI_FCP: - fcp_scsi_receive(fc, token, status, fch); break; - case TYPE_EXTENDED_LS: - case PROTO_REPORT_AL_MAP: - magic = 0; - if (fc->ls) - magic = ((ls *)(fc->ls))->magic; - if (magic == LSMAGIC) { - ls *l = (ls *)fc->ls; - int i = (token >= l->count) ? token - l->count : token; - - /* Let's be sure */ - if ((unsigned)i < l->count && l->fcmds[i].fc == fc) { - if (proto == TYPE_EXTENDED_LS) - fcp_login_done(fc, token, status); - else - fcp_report_map_done(fc, token, status); - break; - } - } - FCD(("fc %p fc->ls %p fc->cmd_slots %p\n", fc, fc->ls, fc->cmd_slots)) - if (proto == TYPE_EXTENDED_LS && !fc->ls && fc->cmd_slots) { - fcp_cmnd *fcmd; - - fcmd = fc->cmd_slots[token]; - if (fcmd && fcmd->ls && ((ls *)(fcmd->ls))->magic == LSEMAGIC) { - lse *l = (lse *)fcmd->ls; - - l->status = status; - up (&l->sem); - } - } - break; - case PROTO_OFFLINE: - if (fc->ls && ((lso *)(fc->ls))->magic == LSOMAGIC) { - lso *l = (lso *)fc->ls; - - if ((unsigned)token < l->count && l->fcmds[token].fc == fc) { - /* Wow, OFFLINE response arrived :) */ - FCD(("OFFLINE Response arrived\n")) - fc->state = FC_STATE_OFFLINE; - if (atomic_dec_and_test (&l->todo)) - up(&l->sem); - } - } - break; - - default: - break; - } -} - -void fcp_state_change(fc_channel *fc, int state) -{ - FCD(("state_change %d %d\n", state, fc->state)) - if (state == FC_STATE_ONLINE && fc->state == FC_STATE_MAYBEOFFLINE) - fc->state = FC_STATE_UNINITED; - else if (state == FC_STATE_ONLINE) - printk (KERN_WARNING "%s: state change to ONLINE\n", fc->name); - else - printk (KERN_ERR "%s: state change to OFFLINE\n", fc->name); -} - -int fcp_initialize(fc_channel *fcchain, int count) -{ - fc_channel *fc; - fcp_cmnd *fcmd; - int i, retry, ret; - ls *l; - - FCND(("fcp_inititialize %08lx\n", (long)fcp_init)) - FCND(("fc_channels %08lx\n", (long)fc_channels)) - FCND((" SID %d DID %d\n", fcchain->sid, fcchain->did)) - l = kzalloc(sizeof (ls) + count, GFP_KERNEL); - if (!l) { - printk ("FC: Cannot allocate memory for initialization\n"); - return -ENOMEM; - } - l->magic = LSMAGIC; - l->count = count; - FCND(("FCP Init for %d channels\n", count)) - init_MUTEX_LOCKED(&l->sem); - init_timer(&l->timer); - l->timer.function = fcp_login_timeout; - l->timer.data = (unsigned long)l; - atomic_set (&l->todo, count); - l->logi = kzalloc (count * 3 * sizeof(logi), GFP_KERNEL); - l->fcmds = kzalloc (count * sizeof(fcp_cmnd), GFP_KERNEL); - if (!l->logi || !l->fcmds) { - kfree (l->logi); - kfree (l->fcmds); - kfree (l); - printk ("FC: Cannot allocate DMA memory for initialization\n"); - return -ENOMEM; - } - for (fc = fcchain, i = 0; fc && i < count; fc = fc->next, i++) { - fc->state = FC_STATE_UNINITED; - fc->rst_pkt = NULL; /* kmalloc when first used */ - } - /* First try if we are in a AL topology */ - FCND(("Initializing REPORT_MAP packets\n")) - for (fc = fcchain, i = 0; fc && i < count; fc = fc->next, i++) { - fcmd = l->fcmds + i; - fc->login = fcmd; - fc->ls = (void *)l; - /* Assumes sizeof(fc_al_posmap) < 3 * sizeof(logi), which is true */ - fcmd->cmd = dma_map_single (fc->dev, l->logi + 3 * i, 3 * sizeof(logi), - DMA_BIDIRECTIONAL); - fcmd->proto = PROTO_REPORT_AL_MAP; - fcmd->token = i; - fcmd->fc = fc; - } - for (retry = 0; retry < 8; retry++) { - int nqueued = 0; - FCND(("Sending REPORT_MAP/FLOGI/PLOGI packets\n")) - for (fc = fcchain, i = 0; fc && i < count; fc = fc->next, i++) { - if (fc->state == FC_STATE_ONLINE || fc->state == FC_STATE_OFFLINE) - continue; - disable_irq(fc->irq); - if (fc->state == FC_STATE_MAYBEOFFLINE) { - if (!l->grace[i]) { - l->grace[i]++; - FCD(("Grace\n")) - } else { - fc->state = FC_STATE_OFFLINE; - enable_irq(fc->irq); - dma_unmap_single (fc->dev, l->fcmds[i].cmd, 3 * sizeof(logi), DMA_BIDIRECTIONAL); - if (atomic_dec_and_test (&l->todo)) - goto all_done; - } - } - ret = fc->hw_enque (fc, fc->login); - enable_irq(fc->irq); - if (!ret) { - nqueued++; - continue; - } - if (ret == -ENOSYS && fc->login->proto == PROTO_REPORT_AL_MAP) { - /* Oh yes, this card handles Point-to-Point only, so let's try that. */ - fc_hdr *fch; - - FCD(("SID %d DID %d\n", fc->sid, fc->did)) - fcmd = l->fcmds + i; - dma_unmap_single(fc->dev, fcmd->cmd, 3 * sizeof(logi), DMA_BIDIRECTIONAL); - fch = &fcmd->fch; - FILL_FCHDR_RCTL_DID(fch, R_CTL_ELS_REQ, FS_FABRIC_F_PORT); - FILL_FCHDR_SID(fch, 0); - FILL_FCHDR_TYPE_FCTL(fch, TYPE_EXTENDED_LS, 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; - l->logi [3 * i].code = LS_FLOGI; - fcmd->cmd = dma_map_single (fc->dev, l->logi + 3 * i, 3 * sizeof(logi), DMA_BIDIRECTIONAL); - fcmd->rsp = fcmd->cmd + sizeof(logi); - fcmd->cmdlen = sizeof(logi); - fcmd->rsplen = sizeof(logi); - fcmd->data = (dma_addr_t)NULL; - fcmd->class = FC_CLASS_SIMPLE; - fcmd->proto = TYPE_EXTENDED_LS; - } else - printk ("FC: Cannot enque FLOGI/REPORT_MAP packet on %s\n", fc->name); - } - - if (nqueued) { - l->timer.expires = jiffies + 5 * HZ; - add_timer(&l->timer); - - down(&l->sem); - if (!atomic_read(&l->todo)) { - FCND(("All channels answered in time\n")) - break; /* All fc channels have answered us */ - } - } - } -all_done: - for (fc = fcchain, i = 0; fc && i < count; fc = fc->next, i++) { - fc->ls = NULL; - switch (fc->state) { - case FC_STATE_ONLINE: break; - case FC_STATE_OFFLINE: break; - default: dma_unmap_single (fc->dev, l->fcmds[i].cmd, 3 * sizeof(logi), DMA_BIDIRECTIONAL); - break; - } - } - del_timer(&l->timer); - kfree (l->logi); - kfree (l->fcmds); - kfree (l); - return 0; -} - -int fcp_forceoffline(fc_channel *fcchain, int count) -{ - fc_channel *fc; - fcp_cmnd *fcmd; - int i, ret; - lso l; - - memset (&l, 0, sizeof(lso)); - l.count = count; - l.magic = LSOMAGIC; - FCND(("FCP Force Offline for %d channels\n", count)) - init_MUTEX_LOCKED(&l.sem); - init_timer(&l.timer); - l.timer.function = fcp_login_timeout; - l.timer.data = (unsigned long)&l; - atomic_set (&l.todo, count); - l.fcmds = kzalloc (count * sizeof(fcp_cmnd), GFP_KERNEL); - if (!l.fcmds) { - printk ("FC: Cannot allocate memory for forcing offline\n"); - return -ENOMEM; - } - FCND(("Initializing OFFLINE packets\n")) - for (fc = fcchain, i = 0; fc && i < count; fc = fc->next, i++) { - fc->state = FC_STATE_UNINITED; - fcmd = l.fcmds + i; - fc->login = fcmd; - fc->ls = (void *)&l; - fcmd->did = fc->did; - fcmd->class = FC_CLASS_OFFLINE; - fcmd->proto = PROTO_OFFLINE; - fcmd->token = i; - fcmd->fc = fc; - disable_irq(fc->irq); - ret = fc->hw_enque (fc, fc->login); - enable_irq(fc->irq); - if (ret) printk ("FC: Cannot enque OFFLINE packet on %s\n", fc->name); - } - - l.timer.expires = jiffies + 5 * HZ; - add_timer(&l.timer); - down(&l.sem); - del_timer(&l.timer); - - for (fc = fcchain, i = 0; fc && i < count; fc = fc->next, i++) - fc->ls = NULL; - kfree (l.fcmds); - return 0; -} - -int fcp_init(fc_channel *fcchain) -{ - fc_channel *fc; - int count=0; - int ret; - - for (fc = fcchain; fc; fc = fc->next) { - fc->fcp_register = fcp_register; - count++; - } - - ret = fcp_initialize (fcchain, count); - if (ret) - return ret; - - if (!fc_channels) - fc_channels = fcchain; - else { - for (fc = fc_channels; fc->next; fc = fc->next); - fc->next = fcchain; - } - return ret; -} - -void fcp_release(fc_channel *fcchain, int count) /* count must > 0 */ -{ - fc_channel *fc; - fc_channel *fcx; - - for (fc = fcchain; --count && fc->next; fc = fc->next); - if (count) { - printk("FC: nothing to release\n"); - return; - } - - if (fc_channels == fcchain) - fc_channels = fc->next; - else { - for (fcx = fc_channels; fcx->next != fcchain; fcx = fcx->next); - fcx->next = fc->next; - } - fc->next = NULL; - - /* - * We've just grabbed fcchain out of the fc_channel list - * and zero-terminated it, while destroying the count. - * - * Freeing the fc's is the low level driver's responsibility. - */ -} - - -static void fcp_scsi_done(struct scsi_cmnd *SCpnt) -{ - if (FCP_CMND(SCpnt)->done) - FCP_CMND(SCpnt)->done(SCpnt); -} - -static int fcp_scsi_queue_it(fc_channel *fc, struct scsi_cmnd *SCpnt, - fcp_cmnd *fcmd, int prepare) -{ - long i; - fcp_cmd *cmd; - u32 fcp_cntl; - if (prepare) { - i = find_first_zero_bit (fc->scsi_bitmap, fc->scsi_bitmap_end); - set_bit (i, fc->scsi_bitmap); - fcmd->token = i; - cmd = fc->scsi_cmd_pool + i; - - if (fc->encode_addr (SCpnt, cmd->fcp_addr, fc, fcmd)) { - /* Invalid channel/id/lun and couldn't map it into fcp_addr */ - clear_bit (i, fc->scsi_bitmap); - SCpnt->result = (DID_BAD_TARGET << 16); - SCpnt->scsi_done(SCpnt); - return 0; - } - fc->scsi_free--; - fc->cmd_slots[fcmd->token] = fcmd; - - if (SCpnt->device->tagged_supported) { - if (jiffies - fc->ages[SCpnt->device->channel * fc->targets + SCpnt->device->id] > (5 * 60 * HZ)) { - fc->ages[SCpnt->device->channel * fc->targets + SCpnt->device->id] = jiffies; - fcp_cntl = FCP_CNTL_QTYPE_ORDERED; - } else - fcp_cntl = FCP_CNTL_QTYPE_SIMPLE; - } else - fcp_cntl = FCP_CNTL_QTYPE_UNTAGGED; - - if (!scsi_bufflen(SCpnt)) { - cmd->fcp_cntl = fcp_cntl; - fcmd->data = (dma_addr_t)NULL; - } else { - struct scatterlist *sg; - int nents; - - switch (SCpnt->cmnd[0]) { - case WRITE_6: - case WRITE_10: - case WRITE_12: - cmd->fcp_cntl = (FCP_CNTL_WRITE | fcp_cntl); break; - default: - cmd->fcp_cntl = (FCP_CNTL_READ | fcp_cntl); break; - } - - sg = scsi_sglist(SCpnt); - nents = dma_map_sg(fc->dev, sg, scsi_sg_count(SCpnt), - SCpnt->sc_data_direction); - fcmd->data = sg_dma_address(sg); - cmd->fcp_data_len = sg_dma_len(sg); - } - memcpy (cmd->fcp_cdb, SCpnt->cmnd, SCpnt->cmd_len); - memset (cmd->fcp_cdb+SCpnt->cmd_len, 0, sizeof(cmd->fcp_cdb)-SCpnt->cmd_len); - FCD(("XXX: %04x.%04x.%04x.%04x - %08x%08x%08x\n", cmd->fcp_addr[0], cmd->fcp_addr[1], cmd->fcp_addr[2], cmd->fcp_addr[3], *(u32 *)SCpnt->cmnd, *(u32 *)(SCpnt->cmnd+4), *(u32 *)(SCpnt->cmnd+8))) - } - FCD(("Trying to enque %p\n", fcmd)) - if (!fc->scsi_que) { - if (!fc->hw_enque (fc, fcmd)) { - FCD(("hw_enque succeeded for %p\n", fcmd)) - return 0; - } - } - FCD(("Putting into que1 %p\n", fcmd)) - fcp_scsi_insert_queue (fc, fcmd); - return 0; -} - -int fcp_scsi_queuecommand(struct scsi_cmnd *SCpnt, - void (* done)(struct scsi_cmnd *)) -{ - fcp_cmnd *fcmd = FCP_CMND(SCpnt); - fc_channel *fc = FC_SCMND(SCpnt); - - FCD(("Entering SCSI queuecommand %p\n", fcmd)) - if (SCpnt->done != fcp_scsi_done) { - fcmd->done = SCpnt->done; - SCpnt->done = fcp_scsi_done; - SCpnt->scsi_done = done; - fcmd->proto = TYPE_SCSI_FCP; - if (!fc->scsi_free) { - FCD(("FC: !scsi_free, putting cmd on ML queue\n")) -#if (FCP_SCSI_USE_NEW_EH_CODE == 0) - printk("fcp_scsi_queue_command: queue full, losing cmd, bad\n"); -#endif - return 1; - } - return fcp_scsi_queue_it(fc, SCpnt, fcmd, 1); - } - return fcp_scsi_queue_it(fc, SCpnt, fcmd, 0); -} - -void fcp_queue_empty(fc_channel *fc) -{ - fcp_cmnd *fcmd; - - FCD(("Queue empty\n")) - while ((fcmd = fc->scsi_que)) { - /* The hw told us we can try again queue some packet */ - if (fc->hw_enque (fc, fcmd)) - break; - fcp_scsi_remove_queue (fc, fcmd); - } -} - -int fcp_scsi_abort(struct scsi_cmnd *SCpnt) -{ - /* Internal bookkeeping only. Lose 1 cmd_slots slot. */ - fcp_cmnd *fcmd = FCP_CMND(SCpnt); - fc_channel *fc = FC_SCMND(SCpnt); - - /* - * We react to abort requests by simply forgetting - * about the command and pretending everything's sweet. - * This may or may not be silly. We can't, however, - * immediately reuse the command's cmd_slots slot, - * as its result may arrive later and we cannot - * check whether it is the aborted one, can't we? - * - * Therefore, after the first few aborts are done, - * we tell the scsi error handler to do something clever. - * It will eventually call host reset, refreshing - * cmd_slots for us. - * - * There is a theoretical chance that we sometimes allow - * more than can_queue packets to the jungle this way, - * but the worst outcome possible is a series of - * more aborts and eventually the dev_reset catharsis. - */ - - if (++fc->abort_count < (fc->can_queue >> 1)) { - SCpnt->result = DID_ABORT; - fcmd->done(SCpnt); - printk("FC: soft abort\n"); - return SUCCESS; - } else { - printk("FC: hard abort refused\n"); - return FAILED; - } -} - -#if 0 -void fcp_scsi_reset_done(struct scsi_cmnd *SCpnt) -{ - fc_channel *fc = FC_SCMND(SCpnt); - - fc->rst_pkt->eh_state = SCSI_STATE_FINISHED; - up(fc->rst_pkt->device->host->eh_action); -} -#endif - -#define FCP_RESET_TIMEOUT (2*HZ) - -int fcp_scsi_dev_reset(struct scsi_cmnd *SCpnt) -{ -#if 0 /* broken junk, but if davem wants to compile this driver, let him.. */ - unsigned long flags; - fcp_cmd *cmd; - fcp_cmnd *fcmd; - fc_channel *fc = FC_SCMND(SCpnt); - DECLARE_MUTEX_LOCKED(sem); - - if (!fc->rst_pkt) { - fc->rst_pkt = kmalloc(sizeof(SCpnt), GFP_KERNEL); - if (!fc->rst_pkt) return FAILED; - - fcmd = FCP_CMND(fc->rst_pkt); - - - fcmd->token = 0; - cmd = fc->scsi_cmd_pool + 0; - FCD(("Preparing rst packet\n")) - fc->encode_addr (SCpnt, cmd->fcp_addr, fc, fcmd); - fc->rst_pkt->device = SCpnt->device; - fc->rst_pkt->cmd_len = 0; - - fc->cmd_slots[0] = fcmd; - - cmd->fcp_cntl = FCP_CNTL_QTYPE_ORDERED | FCP_CNTL_RESET; - fcmd->data = (dma_addr_t)NULL; - fcmd->proto = TYPE_SCSI_FCP; - - memcpy (cmd->fcp_cdb, SCpnt->cmnd, SCpnt->cmd_len); - memset (cmd->fcp_cdb+SCpnt->cmd_len, 0, sizeof(cmd->fcp_cdb)-SCpnt->cmd_len); - FCD(("XXX: %04x.%04x.%04x.%04x - %08x%08x%08x\n", cmd->fcp_addr[0], cmd->fcp_addr[1], cmd->fcp_addr[2], cmd->fcp_addr[3], *(u32 *)SCpnt->cmnd, *(u32 *)(SCpnt->cmnd+4), *(u32 *)(SCpnt->cmnd+8))) - } else { - fcmd = FCP_CMND(fc->rst_pkt); - if (fc->rst_pkt->eh_state == SCSI_STATE_QUEUED) - return FAILED; /* or SUCCESS. Only these */ - } - fc->rst_pkt->done = NULL; - - - fc->rst_pkt->eh_state = SCSI_STATE_QUEUED; - init_timer(&fc->rst_pkt->eh_timeout); - fc->rst_pkt->eh_timeout.data = (unsigned long) fc->rst_pkt; - fc->rst_pkt->eh_timeout.expires = jiffies + FCP_RESET_TIMEOUT; - fc->rst_pkt->eh_timeout.function = (void (*)(unsigned long))fcp_scsi_reset_done; - - add_timer(&fc->rst_pkt->eh_timeout); - - /* - * Set up the semaphore so we wait for the command to complete. - */ - - fc->rst_pkt->device->host->eh_action = &sem; - - fc->rst_pkt->done = fcp_scsi_reset_done; - - spin_lock_irqsave(SCpnt->device->host->host_lock, flags); - fcp_scsi_queue_it(fc, fc->rst_pkt, fcmd, 0); - spin_unlock_irqrestore(SCpnt->device->host->host_lock, flags); - - down(&sem); - - fc->rst_pkt->device->host->eh_action = NULL; - del_timer(&fc->rst_pkt->eh_timeout); - - /* - * See if timeout. If so, tell the host to forget about it. - * In other words, we don't want a callback any more. - */ - if (fc->rst_pkt->eh_state == SCSI_STATE_TIMEOUT ) { - fc->rst_pkt->eh_state = SCSI_STATE_UNUSED; - return FAILED; - } - fc->rst_pkt->eh_state = SCSI_STATE_UNUSED; -#endif - return SUCCESS; -} - -static int __fcp_scsi_host_reset(struct scsi_cmnd *SCpnt) -{ - fc_channel *fc = FC_SCMND(SCpnt); - fcp_cmnd *fcmd = FCP_CMND(SCpnt); - int i; - - printk ("FC: host reset\n"); - - for (i=0; i < fc->can_queue; i++) { - if (fc->cmd_slots[i] && SCpnt->result != DID_ABORT) { - SCpnt->result = DID_RESET; - fcmd->done(SCpnt); - fc->cmd_slots[i] = NULL; - } - } - fc->reset(fc); - fc->abort_count = 0; - if (fcp_initialize(fc, 1)) return SUCCESS; - else return FAILED; -} - -int fcp_scsi_host_reset(struct scsi_cmnd *SCpnt) -{ - unsigned long flags; - int rc; - - spin_lock_irqsave(SCpnt->device->host->host_lock, flags); - rc = __fcp_scsi_host_reset(SCpnt); - spin_unlock_irqrestore(SCpnt->device->host->host_lock, flags); - - return rc; -} - -static int fcp_els_queue_it(fc_channel *fc, fcp_cmnd *fcmd) -{ - long i; - - i = find_first_zero_bit (fc->scsi_bitmap, fc->scsi_bitmap_end); - set_bit (i, fc->scsi_bitmap); - fcmd->token = i; - fc->scsi_free--; - fc->cmd_slots[fcmd->token] = fcmd; - return fcp_scsi_queue_it(fc, NULL, fcmd, 0); -} - -static int fc_do_els(fc_channel *fc, unsigned int alpa, void *data, int len) -{ - fcp_cmnd _fcmd, *fcmd; - fc_hdr *fch; - lse l; - int i; - - fcmd = &_fcmd; - memset(fcmd, 0, sizeof(fcp_cmnd)); - FCD(("PLOGI SID %d DID %d\n", fc->sid, alpa)) - fch = &fcmd->fch; - FILL_FCHDR_RCTL_DID(fch, R_CTL_ELS_REQ, alpa); - FILL_FCHDR_SID(fch, fc->sid); - FILL_FCHDR_TYPE_FCTL(fch, TYPE_EXTENDED_LS, 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; - fcmd->cmd = dma_map_single (fc->dev, data, 2 * len, DMA_BIDIRECTIONAL); - fcmd->rsp = fcmd->cmd + len; - fcmd->cmdlen = len; - fcmd->rsplen = len; - fcmd->data = (dma_addr_t)NULL; - fcmd->fc = fc; - fcmd->class = FC_CLASS_SIMPLE; - fcmd->proto = TYPE_EXTENDED_LS; - - memset (&l, 0, sizeof(lse)); - l.magic = LSEMAGIC; - init_MUTEX_LOCKED(&l.sem); - l.timer.function = fcp_login_timeout; - l.timer.data = (unsigned long)&l; - l.status = FC_STATUS_TIMED_OUT; - fcmd->ls = (void *)&l; - - disable_irq(fc->irq); - fcp_els_queue_it(fc, fcmd); - enable_irq(fc->irq); - - for (i = 0;;) { - l.timer.expires = jiffies + 5 * HZ; - add_timer(&l.timer); - down(&l.sem); - del_timer(&l.timer); - if (l.status != FC_STATUS_TIMED_OUT) break; - if (++i == 3) break; - disable_irq(fc->irq); - fcp_scsi_queue_it(fc, NULL, fcmd, 0); - enable_irq(fc->irq); - } - - clear_bit(fcmd->token, fc->scsi_bitmap); - fc->scsi_free++; - dma_unmap_single (fc->dev, fcmd->cmd, 2 * len, DMA_BIDIRECTIONAL); - return l.status; -} - -int fc_do_plogi(fc_channel *fc, unsigned char alpa, fc_wwn *node, fc_wwn *nport) -{ - logi *l; - int status; - - l = kzalloc(2 * sizeof(logi), GFP_KERNEL); - if (!l) return -ENOMEM; - l->code = LS_PLOGI; - memcpy (&l->nport_wwn, &fc->wwn_nport, sizeof(fc_wwn)); - memcpy (&l->node_wwn, &fc->wwn_node, sizeof(fc_wwn)); - memcpy (&l->common, fc->common_svc, sizeof(common_svc_parm)); - memcpy (&l->class1, fc->class_svcs, 3*sizeof(svc_parm)); - status = fc_do_els(fc, alpa, l, sizeof(logi)); - if (status == FC_STATUS_OK) { - if (l[1].code == LS_ACC) { -#ifdef FCDEBUG - u32 *u = (u32 *)&l[1].nport_wwn; - FCD(("AL-PA %02x: Port WWN %08x%08x Node WWN %08x%08x\n", alpa, - u[0], u[1], u[2], u[3])) -#endif - memcpy(nport, &l[1].nport_wwn, sizeof(fc_wwn)); - memcpy(node, &l[1].node_wwn, sizeof(fc_wwn)); - } else - status = FC_STATUS_BAD_RSP; - } - kfree(l); - return status; -} - -typedef struct { - unsigned int code; - unsigned params[4]; -} prli; - -int fc_do_prli(fc_channel *fc, unsigned char alpa) -{ - prli *p; - int status; - - p = kzalloc(2 * sizeof(prli), GFP_KERNEL); - if (!p) return -ENOMEM; - p->code = LS_PRLI; - p->params[0] = 0x08002000; - p->params[3] = 0x00000022; - status = fc_do_els(fc, alpa, p, sizeof(prli)); - if (status == FC_STATUS_OK && p[1].code != LS_PRLI_ACC && p[1].code != LS_ACC) - status = FC_STATUS_BAD_RSP; - kfree(p); - return status; -} - -MODULE_LICENSE("GPL"); - diff --git a/drivers/fc4/fc.h b/drivers/fc4/fc.h deleted file mode 100644 index 13f89d4..0000000 --- a/drivers/fc4/fc.h +++ /dev/null @@ -1,230 +0,0 @@ -/* fc.h: Definitions for Fibre Channel Physical and Signaling Interface. - * - * Copyright (C) 1996-1997,1999 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 - */ - -#ifndef __FC_H -#define __FC_H - -/* World Wide Name */ -#define NAAID_IEEE 1 -#define NAAID_IEEE_EXT 2 -#define NAAID_LOCAL 3 -#define NAAID_IP 4 -#define NAAID_IEEE_REG 5 -#define NAAID_IEEE_REG_EXT 6 -#define NAAID_CCITT 12 -#define NAAID_CCITT_GRP 14 - -/* This is NAAID_IEEE_EXT scheme */ -typedef struct { - u32 naaid:4; - u32 nportid:12; - u32 hi:16; - u32 lo; -} fc_wwn; - -/* Frame header for FC-PH frames */ - -/* r_ctl field */ -#define R_CTL_DEVICE_DATA 0x00 /* FC4 Device_Data frame */ -#define R_CTL_EXTENDED_SVC 0x20 /* Extended Link_Data frame */ -#define R_CTL_FC4_SVC 0x30 /* FC4 Link_Data frame */ -#define R_CTL_VIDEO 0x40 /* Video_Data frame */ -#define R_CTL_BASIC_SVC 0x80 /* Basic Link_Data frame */ -#define R_CTL_LINK_CTL 0xc0 /* Link_Control frame */ -/* FC4 Device_Data frames */ -#define R_CTL_UNCATEGORIZED 0x00 -#define R_CTL_SOLICITED_DATA 0x01 -#define R_CTL_UNSOL_CONTROL 0x02 -#define R_CTL_SOLICITED_CONTROL 0x03 -#define R_CTL_UNSOL_DATA 0x04 -#define R_CTL_XFER_RDY 0x05 -#define R_CTL_COMMAND 0x06 -#define R_CTL_STATUS 0x07 -/* Basic Link_Data frames */ -#define R_CTL_LS_NOP 0x80 -#define R_CTL_LS_ABTS 0x81 -#define R_CTL_LS_RMC 0x82 -#define R_CTL_LS_BA_ACC 0x84 -#define R_CTL_LS_BA_RJT 0x85 -/* Extended Link_Data frames */ -#define R_CTL_ELS_REQ 0x22 -#define R_CTL_ELS_RSP 0x23 -/* Link_Control frames */ -#define R_CTL_ACK_1 0xc0 -#define R_CTL_ACK_N 0xc1 -#define R_CTL_P_RJT 0xc2 -#define R_CTL_F_RJT 0xc3 -#define R_CTL_P_BSY 0xc4 -#define R_CTL_F_BSY_DF 0xc5 -#define R_CTL_F_BSY_LC 0xc6 -#define R_CTL_LCR 0xc7 - -/* type field */ -#define TYPE_BASIC_LS 0x00 -#define TYPE_EXTENDED_LS 0x01 -#define TYPE_IS8802 0x04 -#define TYPE_IS8802_SNAP 0x05 -#define TYPE_SCSI_FCP 0x08 -#define TYPE_SCSI_GPP 0x09 -#define TYPE_HIPP_FP 0x0a -#define TYPE_IPI3_MASTER 0x11 -#define TYPE_IPI3_SLAVE 0x12 -#define TYPE_IPI3_PEER 0x13 - -/* f_ctl field */ -#define F_CTL_FILL_BYTES 0x000003 -#define F_CTL_XCHG_REASSEMBLE 0x000004 -#define F_CTL_RO_PRESENT 0x000008 -#define F_CTL_ABORT_SEQ 0x000030 -#define F_CTL_CONTINUE_SEQ 0x0000c0 -#define F_CTL_INVALIDATE_XID 0x004000 -#define F_CTL_XID_REASSIGNED 0x008000 -#define F_CTL_SEQ_INITIATIVE 0x010000 -#define F_CTL_CHAINED_SEQ 0x020000 -#define F_CTL_END_CONNECT 0x040000 -#define F_CTL_END_SEQ 0x080000 -#define F_CTL_LAST_SEQ 0x100000 -#define F_CTL_FIRST_SEQ 0x200000 -#define F_CTL_SEQ_CONTEXT 0x400000 -#define F_CTL_XCHG_CONTEXT 0x800000 - -typedef struct { - u32 r_ctl:8, did:24; - u32 xxx1:8, sid:24; - u32 type:8, f_ctl:24; - u32 seq_id:8, df_ctl:8, seq_cnt:16; - u16 ox_id, rx_id; - u32 param; -} fc_hdr; -/* The following are ugly macros to make setup of this structure faster */ -#define FILL_FCHDR_RCTL_DID(fch, r_ctl, did) *(u32 *)(fch) = ((r_ctl) << 24) | (did); -#define FILL_FCHDR_SID(fch, sid) *((u32 *)(fch)+1) = (sid); -#define FILL_FCHDR_TYPE_FCTL(fch, type, f_ctl) *((u32 *)(fch)+2) = ((type) << 24) | (f_ctl); -#define FILL_FCHDR_SEQ_DF_SEQ(fch, seq_id, df_ctl, seq_cnt) *((u32 *)(fch)+3) = ((seq_id) << 24) | ((df_ctl) << 16) | (seq_cnt); -#define FILL_FCHDR_OXRX(fch, ox_id, rx_id) *((u32 *)(fch)+4) = ((ox_id) << 16) | (rx_id); - -/* Well known addresses */ -#define FS_GENERAL_MULTICAST 0xfffff7 -#define FS_WELL_KNOWN_MULTICAST 0xfffff8 -#define FS_HUNT_GROUP 0xfffff9 -#define FS_MANAGEMENT_SERVER 0xfffffa -#define FS_TIME_SERVER 0xfffffb -#define FS_NAME_SERVER 0xfffffc -#define FS_FABRIC_CONTROLLER 0xfffffd -#define FS_FABRIC_F_PORT 0xfffffe -#define FS_BROADCAST 0xffffff - -/* Reject frames */ -/* The param field should be cast to this structure */ -typedef struct { - u8 action; - u8 reason; - u8 xxx; - u8 vendor_unique; -} rjt_param; - -/* Reject action codes */ -#define RJT_RETRY 0x01 -#define RJT_NONRETRY 0x02 - -/* Reject reason codes */ -#define RJT_INVALID_DID 0x01 -#define RJT_INVALID_SID 0x02 -#define RJT_NPORT_NOT_AVAIL_TEMP 0x03 -#define RJT_NPORT_NOT_AVAIL_PERM 0x04 -#define RJT_CLASS_NOT_SUPPORTED 0x05 -#define RJT_DELIMITER_ERROR 0x06 -#define RJT_TYPE_NOT_SUPPORTED 0x07 -#define RJT_INVALID_LINK_CONTROL 0x08 -#define RJT_INVALID_R_CTL 0x09 -#define RJT_INVALID_F_CTL 0x0a -#define RJT_INVALID_OX_ID 0x0b -#define RJT_INVALID_RX_ID 0x0c -#define RJT_INVALID_SEQ_ID 0x0d -#define RJT_INVALID_DF_CTL 0x0e -#define RJT_INVALID_SEQ_CNT 0x0f -#define RJT_INVALID_PARAMETER 0x10 -#define RJT_EXCHANGE_ERROR 0x11 -#define RJT_PROTOCOL_ERROR 0x12 -#define RJT_INCORRECT_LENGTH 0x13 -#define RJT_UNEXPECTED_ACK 0x14 -#define RJT_UNEXPECTED_LINK_RESP 0x15 -#define RJT_LOGIN_REQUIRED 0x16 -#define RJT_EXCESSIVE_SEQUENCES 0x17 -#define RJT_CANT_ESTABLISH_EXCHANGE 0x18 -#define RJT_SECURITY_NOT_SUPPORTED 0x19 -#define RJT_FABRIC_NA 0x1a -#define RJT_VENDOR_UNIQUE 0xff - - -#define SP_F_PORT_LOGIN 0x10 - -/* Extended SVC commands */ -#define LS_RJT 0x01000000 -#define LS_ACC 0x02000000 -#define LS_PRLI_ACC 0x02100014 -#define LS_PLOGI 0x03000000 -#define LS_FLOGI 0x04000000 -#define LS_LOGO 0x05000000 -#define LS_ABTX 0x06000000 -#define LS_RCS 0x07000000 -#define LS_RES 0x08000000 -#define LS_RSS 0x09000000 -#define LS_RSI 0x0a000000 -#define LS_ESTS 0x0b000000 -#define LS_ESTC 0x0c000000 -#define LS_ADVC 0x0d000000 -#define LS_RTV 0x0e000000 -#define LS_RLS 0x0f000000 -#define LS_ECHO 0x10000000 -#define LS_TEST 0x11000000 -#define LS_RRQ 0x12000000 -#define LS_IDENT 0x20000000 -#define LS_PRLI 0x20100014 -#define LS_DISPLAY 0x21000000 -#define LS_PRLO 0x21100014 -#define LS_PDISC 0x50000000 -#define LS_ADISC 0x52000000 - -typedef struct { - u8 fcph_hi, fcph_lo; - u16 buf2buf_credit; - u8 common_features; - u8 xxx1; - u16 buf2buf_size; - u8 xxx2; - u8 total_concurrent; - u16 off_by_info; - u32 e_d_tov; -} common_svc_parm; - -typedef struct { - u16 serv_opts; - u16 initiator_ctl; - u16 rcpt_ctl; - u16 recv_size; - u8 xxx1; - u8 concurrent_seqs; - u16 end2end_credit; - u16 open_seqs_per_xchg; - u16 xxx2; -} svc_parm; - -/* Login */ -typedef struct { - u32 code; - common_svc_parm common; - fc_wwn nport_wwn; - fc_wwn node_wwn; - svc_parm class1; - svc_parm class2; - svc_parm class3; -} logi; - -#endif /* !(__FC_H) */ diff --git a/drivers/fc4/fc_syms.c b/drivers/fc4/fc_syms.c deleted file mode 100644 index bd3918d..0000000 --- a/drivers/fc4/fc_syms.c +++ /dev/null @@ -1,30 +0,0 @@ -/* - * We should not even be trying to compile this if we are not doing - * a module. - */ -#include <linux/module.h> - -#ifdef CONFIG_MODULES - -#include <linux/types.h> -#include <linux/string.h> -#include <linux/kernel.h> - -#include "fcp_impl.h" - -EXPORT_SYMBOL(fcp_init); -EXPORT_SYMBOL(fcp_release); -EXPORT_SYMBOL(fcp_queue_empty); -EXPORT_SYMBOL(fcp_receive_solicited); -EXPORT_SYMBOL(fc_channels); -EXPORT_SYMBOL(fcp_state_change); -EXPORT_SYMBOL(fc_do_plogi); -EXPORT_SYMBOL(fc_do_prli); - -/* SCSI stuff */ -EXPORT_SYMBOL(fcp_scsi_queuecommand); -EXPORT_SYMBOL(fcp_scsi_abort); -EXPORT_SYMBOL(fcp_scsi_dev_reset); -EXPORT_SYMBOL(fcp_scsi_host_reset); - -#endif /* CONFIG_MODULES */ diff --git a/drivers/fc4/fcp.h b/drivers/fc4/fcp.h deleted file mode 100644 index 6aa34a7..0000000 --- a/drivers/fc4/fcp.h +++ /dev/null @@ -1,94 +0,0 @@ -/* fcp.h: Definitions for Fibre Channel Protocol. - * - * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - * - */ - -#ifndef __FCP_H -#define __FCP_H - -/* FCP addressing is hierarchical with up to 4 layers, MS first. - Exact meaning of the addresses is up to the vendor */ - -/* fcp_cntl field */ -#define FCP_CNTL_WRITE 0x00000001 /* Initiator write */ -#define FCP_CNTL_READ 0x00000002 /* Initiator read */ -#define FCP_CNTL_ABORT_TSK 0x00000200 /* Abort task set */ -#define FCP_CNTL_CLR_TASK 0x00000400 /* Clear task set */ -#define FCP_CNTL_RESET 0x00002000 /* Reset */ -#define FCP_CNTL_CLR_ACA 0x00004000 /* Clear ACA */ -#define FCP_CNTL_KILL_TASK 0x00008000 /* Terminate task */ -#define FCP_CNTL_QTYPE_MASK 0x00070000 /* Tagged queueing type */ -#define FCP_CNTL_QTYPE_SIMPLE 0x00000000 -#define FCP_CNTL_QTYPE_HEAD_OF_Q 0x00010000 -#define FCP_CNTL_QTYPE_ORDERED 0x00020000 -#define FCP_CNTL_QTYPE_ACA_Q_TAG 0x00040000 -#define FCP_CNTL_QTYPE_UNTAGGED 0x00050000 - -typedef struct { - u16 fcp_addr[4]; - u32 fcp_cntl; - u8 fcp_cdb[16]; - u32 fcp_data_len; -} fcp_cmd; - -/* fcp_status field */ -#define FCP_STATUS_MASK 0x000000ff /* scsi status of command */ -#define FCP_STATUS_RSP_LEN 0x00000100 /* response_len != 0 */ -#define FCP_STATUS_SENSE_LEN 0x00000200 /* sense_len != 0 */ -#define FCP_STATUS_RESID 0x00000400 /* resid != 0 */ - -typedef struct { - u32 xxx[2]; - u32 fcp_status; - u32 fcp_resid; - u32 fcp_sense_len; - u32 fcp_response_len; - /* u8 fcp_sense[fcp_sense_len]; */ - /* u8 fcp_response[fcp_response_len]; */ -} fcp_rsp; - -/* fcp errors */ - -/* rsp_info_type field */ -#define FCP_RSP_SCSI_BUS_ERR 0x01 -#define FCP_RSP_SCSI_PORT_ERR 0x02 -#define FCP_RSP_CARD_ERR 0x03 - -/* isp_status field */ -#define FCP_RSP_CMD_COMPLETE 0x0000 -#define FCP_RSP_CMD_INCOMPLETE 0x0001 -#define FCP_RSP_CMD_DMA_ERR 0x0002 -#define FCP_RSP_CMD_TRAN_ERR 0x0003 -#define FCP_RSP_CMD_RESET 0x0004 -#define FCP_RSP_CMD_ABORTED 0x0005 -#define FCP_RSP_CMD_TIMEOUT 0x0006 -#define FCP_RSP_CMD_OVERRUN 0x0007 - -/* isp_state_flags field */ -#define FCP_RSP_ST_GOT_BUS 0x0100 -#define FCP_RSP_ST_GOT_TARGET 0x0200 -#define FCP_RSP_ST_SENT_CMD 0x0400 -#define FCP_RSP_ST_XFRD_DATA 0x0800 -#define FCP_RSP_ST_GOT_STATUS 0x1000 -#define FCP_RSP_ST_GOT_SENSE 0x2000 - -/* isp_stat_flags field */ -#define FCP_RSP_STAT_DISC 0x0001 -#define FCP_RSP_STAT_SYNC 0x0002 -#define FCP_RSP_STAT_PERR 0x0004 -#define FCP_RSP_STAT_BUS_RESET 0x0008 -#define FCP_RSP_STAT_DEV_RESET 0x0010 -#define FCP_RSP_STAT_ABORTED 0x0020 -#define FCP_RSP_STAT_TIMEOUT 0x0040 -#define FCP_RSP_STAT_NEGOTIATE 0x0080 - -typedef struct { - u8 rsp_info_type; - u8 xxx; - u16 isp_status; - u16 isp_state_flags; - u16 isp_stat_flags; -} fcp_scsi_err; - -#endif /* !(__FCP_H) */ diff --git a/drivers/fc4/fcp_impl.h b/drivers/fc4/fcp_impl.h deleted file mode 100644 index 506338a..0000000 --- a/drivers/fc4/fcp_impl.h +++ /dev/null @@ -1,164 +0,0 @@ -/* fcp_impl.h: Generic SCSI on top of FC4 - our interface defines. - * - * Copyright (C) 1997-1999 Jakub Jelinek (jj@ultra.linux.cz) - * Copyright (C) 1998 Jirka Hanika (geo@ff.cuni.cz) - */ - -#ifndef _FCP_SCSI_H -#define _FCP_SCSI_H - -#include <linux/types.h> -#include "../scsi/scsi.h" - -#include "fc.h" -#include "fcp.h" -#include "fc-al.h" - -#include <asm/io.h> -#ifdef __sparc__ -#include <asm/sbus.h> -#endif - -/* 0 or 1 */ -#define FCP_SCSI_USE_NEW_EH_CODE 0 - -#define FC_CLASS_OUTBOUND 0x01 -#define FC_CLASS_INBOUND 0x02 -#define FC_CLASS_SIMPLE 0x03 -#define FC_CLASS_IO_WRITE 0x04 -#define FC_CLASS_IO_READ 0x05 -#define FC_CLASS_UNSOLICITED 0x06 -#define FC_CLASS_OFFLINE 0x08 - -#define PROTO_OFFLINE 0x02 -#define PROTO_REPORT_AL_MAP 0x03 -#define PROTO_FORCE_LIP 0x06 - -struct _fc_channel; - -typedef struct fcp_cmnd { - struct fcp_cmnd *next; - struct fcp_cmnd *prev; - void (*done)(struct scsi_cmnd *); - unsigned short proto; - unsigned short token; - unsigned int did; - /* FCP SCSI stuff */ - dma_addr_t data; - /* From now on this cannot be touched for proto == TYPE_SCSI_FCP */ - fc_hdr fch; - dma_addr_t cmd; - dma_addr_t rsp; - int cmdlen; - int rsplen; - int class; - int datalen; - /* This is just used as a verification during login */ - struct _fc_channel *fc; - void *ls; -} fcp_cmnd; - -typedef struct { - unsigned int len; - unsigned char list[0]; -} fcp_posmap; - -typedef struct _fc_channel { - struct _fc_channel *next; - int irq; - int state; - int sid; - int did; - char name[16]; - void (*fcp_register)(struct _fc_channel *, u8, int); - void (*reset)(struct _fc_channel *); - int (*hw_enque)(struct _fc_channel *, fcp_cmnd *); - fc_wwn wwn_node; - fc_wwn wwn_nport; - fc_wwn wwn_dest; - common_svc_parm *common_svc; - svc_parm *class_svcs; -#ifdef __sparc__ - struct sbus_dev *dev; -#else - struct pci_dev *dev; -#endif - struct module *module; - /* FCP SCSI stuff */ - short can_queue; - short abort_count; - int rsp_size; - fcp_cmd *scsi_cmd_pool; - char *scsi_rsp_pool; - dma_addr_t dma_scsi_cmd, dma_scsi_rsp; - unsigned long *scsi_bitmap; - long scsi_bitmap_end; - int scsi_free; - int (*encode_addr)(struct scsi_cmnd *, u16 *, struct _fc_channel *, fcp_cmnd *); - fcp_cmnd *scsi_que; - char scsi_name[4]; - fcp_cmnd **cmd_slots; - int channels; - int targets; - long *ages; - struct scsi_cmnd *rst_pkt; - fcp_posmap *posmap; - /* LOGIN stuff */ - fcp_cmnd *login; - void *ls; -} fc_channel; - -extern fc_channel *fc_channels; - -#define FC_STATE_UNINITED 0 -#define FC_STATE_ONLINE 1 -#define FC_STATE_OFFLINE 2 -#define FC_STATE_RESETING 3 -#define FC_STATE_FPORT_OK 4 -#define FC_STATE_MAYBEOFFLINE 5 - -#define FC_STATUS_OK 0 -#define FC_STATUS_P_RJT 2 -#define FC_STATUS_F_RJT 3 -#define FC_STATUS_P_BSY 4 -#define FC_STATUS_F_BSY 5 -#define FC_STATUS_ERR_OFFLINE 0x11 -#define FC_STATUS_TIMEOUT 0x12 -#define FC_STATUS_ERR_OVERRUN 0x13 -#define FC_STATUS_POINTTOPOINT 0x15 -#define FC_STATUS_AL 0x16 -#define FC_STATUS_UNKNOWN_CQ_TYPE 0x20 -#define FC_STATUS_BAD_SEG_CNT 0x21 -#define FC_STATUS_MAX_XCHG_EXCEEDED 0x22 -#define FC_STATUS_BAD_XID 0x23 -#define FC_STATUS_XCHG_BUSY 0x24 -#define FC_STATUS_BAD_POOL_ID 0x25 -#define FC_STATUS_INSUFFICIENT_CQES 0x26 -#define FC_STATUS_ALLOC_FAIL 0x27 -#define FC_STATUS_BAD_SID 0x28 -#define FC_STATUS_NO_SEQ_INIT 0x29 -#define FC_STATUS_TIMED_OUT -1 -#define FC_STATUS_BAD_RSP -2 - -void fcp_queue_empty(fc_channel *); -int fcp_init(fc_channel *); -void fcp_release(fc_channel *fc_chain, int count); -void fcp_receive_solicited(fc_channel *, int, int, int, fc_hdr *); -void fcp_state_change(fc_channel *, int); -int fc_do_plogi(fc_channel *, unsigned char, fc_wwn *, fc_wwn *); -int fc_do_prli(fc_channel *, unsigned char); - -#define for_each_fc_channel(fc) \ - for (fc = fc_channels; fc; fc = fc->next) - -#define for_each_online_fc_channel(fc) \ - for_each_fc_channel(fc) \ - if (fc->state == FC_STATE_ONLINE) - -int fcp_scsi_queuecommand(struct scsi_cmnd *, - void (* done) (struct scsi_cmnd *)); -int fcp_scsi_abort(struct scsi_cmnd *); -int fcp_scsi_dev_reset(struct scsi_cmnd *); -int fcp_scsi_host_reset(struct scsi_cmnd *); - -#endif /* !(_FCP_SCSI_H) */ diff --git a/drivers/fc4/soc.c b/drivers/fc4/soc.c deleted file mode 100644 index d517734..0000000 --- a/drivers/fc4/soc.c +++ /dev/null @@ -1,764 +0,0 @@ -/* soc.c: Sparc SUNW,soc (Serial Optical Channel) Fibre Channel Sbus adapter support. - * - * Copyright (C) 1996,1997,1999 Jakub Jelinek (jj@ultra.linux.cz) - * Copyright (C) 1997,1998 Jirka Hanika (geo@ff.cuni.cz) - * - * Sources: - * Fibre Channel Physical & Signaling Interface (FC-PH), dpANS, 1994 - * dpANS Fibre Channel Protocol for SCSI (X3.269-199X), Rev. 012, 1995 - * - * Supported hardware: - * Tested on SOC sbus card bought with SS1000 in Linux running on SS5 and Ultra1. - * For SOC sbus cards, you have to make sure your FCode is 1.52 or later. - * If you have older FCode, you should try to upgrade or get SOC microcode from Sun - * (the microcode is present in Solaris soc driver as well). In that case you need - * to #define HAVE_SOC_UCODE and format the microcode into soc_asm.c. For the exact - * format mail me and I will tell you. I cannot offer you the actual microcode though, - * unless Sun confirms they don't mind. - */ - -static char *version = - "soc.c:v1.3 9/Feb/99 Jakub Jelinek (jj@ultra.linux.cz), Jirka Hanika (geo@ff.cuni.cz)\n"; - -#include <linux/module.h> -#include <linux/kernel.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/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 SOCDEBUG */ -/* #define HAVE_SOC_UCODE */ - -#include "fcp_impl.h" -#include "soc.h" -#ifdef HAVE_SOC_UCODE -#include "soc_asm.h" -#endif - -#define soc_printk printk ("soc%d: ", s->soc_no); printk - -#ifdef SOCDEBUG -#define SOD(x) soc_printk x; -#else -#define SOD(x) -#endif - -#define for_each_soc(s) for (s = socs; s; s = s->next) -struct soc *socs = NULL; - -static inline void soc_disable(struct soc *s) -{ - sbus_writel(0, s->regs + IMASK); - sbus_writel(SOC_CMD_SOFT_RESET, s->regs + CMD); -} - -static inline void soc_enable(struct soc *s) -{ - SOD(("enable %08x\n", s->cfg)) - sbus_writel(0, s->regs + SAE); - sbus_writel(s->cfg, s->regs + CFG); - sbus_writel(SOC_CMD_RSP_QALL, s->regs + CMD); - SOC_SETIMASK(s, SOC_IMASK_RSP_QALL | SOC_IMASK_SAE); - SOD(("imask %08lx %08lx\n", s->imask, sbus_readl(s->regs + IMAK))); -} - -static void soc_reset(fc_channel *fc) -{ - soc_port *port = (soc_port *)fc; - struct soc *s = port->s; - - /* FIXME */ - soc_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 */ - soc_enable(s); -} - -static inline void soc_solicited (struct soc *s) -{ - fc_hdr fchdr; - soc_rsp __iomem *hwrsp; - soc_cq_rsp *sw_cq; - int token; - int status; - fc_channel *fc; - - sw_cq = &s->rsp[SOC_SOLICITED_RSP_Q]; - - if (sw_cq->pool == NULL) - sw_cq->pool = (soc_req __iomem *) - (s->xram + xram_get_32low ((xram_p)&sw_cq->hw_cq->address)); - sw_cq->in = xram_get_8 ((xram_p)&sw_cq->hw_cq->in); - SOD (("soc_solicited, %d pkts arrived\n", (sw_cq->in-sw_cq->out) & sw_cq->last)) - for (;;) { - hwrsp = (soc_rsp __iomem *)sw_cq->pool + sw_cq->out; - token = xram_get_32low ((xram_p)&hwrsp->shdr.token); - status = xram_get_32low ((xram_p)&hwrsp->status); - fc = (fc_channel *)(&s->port[(token >> 11) & 1]); - - if (status == SOC_OK) { - fcp_receive_solicited(fc, token >> 12, - token & ((1 << 11) - 1), - FC_STATUS_OK, NULL); - } else { - xram_copy_from(&fchdr, (xram_p)&hwrsp->fchdr, sizeof(fchdr)); - /* We have intentionally defined FC_STATUS_* constants - * to match SOC_* constants, otherwise we'd have to - * translate status. - */ - fcp_receive_solicited(fc, token >> 12, - token & ((1 << 11) - 1), - status, &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 = xram_get_8 ((xram_p)&sw_cq->hw_cq->in); - if (sw_cq->out == sw_cq->in) { - /* Tell the hardware about it */ - sbus_writel((sw_cq->out << 24) | - (SOC_CMD_RSP_QALL & - ~(SOC_CMD_RSP_Q0 << SOC_SOLICITED_RSP_Q)), - s->regs + CMD); - - /* Read it, so that we're sure it has been updated */ - sbus_readl(s->regs + CMD); - sw_cq->in = xram_get_8 ((xram_p)&sw_cq->hw_cq->in); - if (sw_cq->out == sw_cq->in) - break; - } - } - } -} - -static inline void soc_request (struct soc *s, u32 cmd) -{ - SOC_SETIMASK(s, s->imask & ~(cmd & SOC_CMD_REQ_QALL)); - SOD(("imask %08lx %08lx\n", s->imask, sbus_readl(s->regs + IMASK))); - - SOD(("Queues available %08x OUT %X %X\n", cmd, - xram_get_8((xram_p)&s->req[0].hw_cq->out), - xram_get_8((xram_p)&s->req[0].hw_cq->out))) - 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 soc_unsolicited (struct soc *s) -{ - soc_rsp __iomem *hwrsp, *hwrspc; - soc_cq_rsp *sw_cq; - int count; - int status; - int flags; - fc_channel *fc; - - sw_cq = &s->rsp[SOC_UNSOLICITED_RSP_Q]; - if (sw_cq->pool == NULL) - sw_cq->pool = (soc_req __iomem *) - (s->xram + (xram_get_32low ((xram_p)&sw_cq->hw_cq->address))); - - sw_cq->in = xram_get_8 ((xram_p)&sw_cq->hw_cq->in); - SOD (("soc_unsolicited, %d packets arrived\n", (sw_cq->in - sw_cq->out) & sw_cq->last)) - while (sw_cq->in != sw_cq->out) { - /* ...real work per entry here... */ - hwrsp = (soc_rsp __iomem *)sw_cq->pool + sw_cq->out; - - hwrspc = NULL; - flags = xram_get_16 ((xram_p)&hwrsp->shdr.flags); - count = xram_get_8 ((xram_p)&hwrsp->count); - fc = (fc_channel *)&s->port[flags & SOC_PORT_B]; - SOD(("FC %08lx fcp_state_change %08lx\n", - (long)fc, (long)fc->fcp_state_change)) - - 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) | - (SOC_CMD_RSP_QALL & - ~(SOC_CMD_RSP_Q0 << SOC_UNSOLICITED_RSP_Q)), - s->regs + CMD); - - /* Read it, so that we're sure it has been updated */ - sbus_readl(s->regs + CMD); - sw_cq->in = xram_get_8 ((xram_p)&sw_cq->hw_cq->in); - 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 = (soc_rsp __iomem *)sw_cq->pool; - else - hwrspc = hwrsp + 1; - } - - switch (flags & ~SOC_PORT_B) { - case SOC_STATUS: - status = xram_get_32low ((xram_p)&hwrsp->status); - switch (status) { - case SOC_ONLINE: - SOD(("State change to ONLINE\n")); - fcp_state_change(fc, FC_STATE_ONLINE); - break; - case SOC_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 (SOC_UNSOLICITED|SOC_FC_HDR): - { - int r_ctl = xram_get_8 ((xram_p)&hwrsp->fchdr); - unsigned len; - char buf[64]; - - if ((r_ctl & 0xf0) == R_CTL_EXTENDED_SVC) { - len = xram_get_32 ((xram_p)&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; - xram_copy_from (buf, (xram_p)hwrspc, - (len + 3) & ~3); - if (*(u32 *)buf == LS_DISPLAY) { - int i; - - for (i = 4; i < len; i++) - if (buf[i] == '\n') - buf[i] = ' '; - buf[len] = 0; - printk ("%s message: %s\n", - fc->name, buf + 4); - } else { - printk ("%s: Unknown LS_CMD " - "%02x\n", fc->name, - buf[0]); - } - } - } 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 = xram_get_8 ((xram_p)&sw_cq->hw_cq->in); - if (sw_cq->out == sw_cq->in) { - /* Tell the hardware about it */ - sbus_writel((sw_cq->out << 24) | - (SOC_CMD_RSP_QALL & - ~(SOC_CMD_RSP_Q0 << SOC_UNSOLICITED_RSP_Q)), - s->regs + CMD); - - /* Read it, so that we're sure it has been updated */ - sbus_readl(s->regs + CMD); - sw_cq->in = xram_get_8 ((xram_p)&sw_cq->hw_cq->in); - } - } - } -} - -static irqreturn_t soc_intr(int irq, void *dev_id) -{ - u32 cmd; - unsigned long flags; - register struct soc *s = (struct soc *)dev_id; - - spin_lock_irqsave(&s->lock, flags); - cmd = sbus_readl(s->regs + CMD); - for (; (cmd = SOC_INTR (s, cmd)); cmd = sbus_readl(s->regs + CMD)) { - if (cmd & SOC_CMD_RSP_Q1) soc_unsolicited (s); - if (cmd & SOC_CMD_RSP_Q0) soc_solicited (s); - if (cmd & SOC_CMD_REQ_QALL) soc_request (s, cmd); - } - spin_unlock_irqrestore(&s->lock, flags); - - return IRQ_HANDLED; -} - -#define TOKEN(proto, port, token) (((proto)<<12)|(token)|(port)) - -static int soc_hw_enque (fc_channel *fc, fcp_cmnd *fcmd) -{ - soc_port *port = (soc_port *)fc; - struct soc *s = port->s; - int qno; - soc_cq_req *sw_cq; - int cq_next_in; - soc_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 & (SOC_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 = xram_get_8((xram_p)&sw_cq->hw_cq->out))) { - SOD(("%d IN %d OUT %d LAST %d\n", qno, sw_cq->in, sw_cq->out, sw_cq->last)) - SOC_SETIMASK(s, s->imask | (SOC_IMASK_REQ_Q0 << qno)); - SOD(("imask %08lx %08lx\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) ? - SOC_CQTYPE_IO_WRITE : SOC_CQTYPE_IO_READ; - } else { - request->shdr.segcnt = 2; - request->shdr.bytecnt = 0; - request->data[2].base = 0; - request->data[2].count = 0; - request->type = SOC_CQTYPE_SIMPLE; - } - FILL_FCHDR_RCTL_DID(fch, R_CTL_COMMAND, fc->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 = 2; - break; - - case PROTO_OFFLINE: - memset (request, 0, sizeof(*request)); - request->shdr.token = TOKEN(PROTO_OFFLINE, port->mask, fcmd->token); - request->type = SOC_CQTYPE_OFFLINE; - FILL_FCHDR_RCTL_DID(fch, R_CTL_COMMAND, fc->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: - /* SOC only supports Point-to-Point topology, no FC-AL, sorry... */ - return -ENOSYS; - - default: - request->shdr.token = TOKEN(fcmd->proto, port->mask, fcmd->token); - request->shdr.class = 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 = SOC_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 = SOC_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 = SOC_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) ? - SOC_CQTYPE_IO_READ : SOC_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; - - /* And now tell the SOC about it */ - - if (++sw_cq->in > sw_cq->last) { - sw_cq->in = 0; - sw_cq->seqno++; - } - - SOD(("Putting %08x into cmd\n", - SOC_CMD_RSP_QALL | (sw_cq->in << 24) | (SOC_CMD_REQ_Q0 << qno))) - - sbus_writel(SOC_CMD_RSP_QALL | (sw_cq->in << 24) | (SOC_CMD_REQ_Q0 << qno), - s->regs + CMD); - - /* Read so that command is completed. */ - sbus_readl(s->regs + CMD); - - return 0; -} - -static inline void soc_download_fw(struct soc *s) -{ -#ifdef HAVE_SOC_UCODE - xram_copy_to (s->xram, soc_ucode, sizeof(soc_ucode)); - xram_bzero (s->xram + sizeof(soc_ucode), 32768 - sizeof(soc_ucode)); -#endif -} - -/* Check for what the best SBUS burst we can use happens - * to be on this machine. - */ -static inline void soc_init_bursts(struct soc *s, struct sbus_dev *sdev) -{ - int bsizes, bsizes_more; - - 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; - if ((bsizes & 0x7f) == 0x7f) - s->cfg = SOC_CFG_BURST_64; - else if ((bsizes & 0x3f) == 0x3f) - s->cfg = SOC_CFG_BURST_32; - else if ((bsizes & 0x1f) == 0x1f) - s->cfg = SOC_CFG_BURST_16; - else - s->cfg = SOC_CFG_BURST_4; -} - -static inline void soc_init(struct sbus_dev *sdev, int no) -{ - unsigned char tmp[60]; - int propl; - struct soc *s; - static int version_printed = 0; - soc_hw_cq cq[8]; - int size, i; - int irq; - - s = kzalloc (sizeof (struct soc), GFP_KERNEL); - if (s == NULL) - return; - spin_lock_init(&s->lock); - s->soc_no = no; - - SOD(("socs %08lx soc_intr %08lx soc_hw_enque %08x\n", - (long)socs, (long)soc_intr, (long)soc_hw_enque)) - if (version_printed++ == 0) - printk (version); - - s->port[0].fc.module = THIS_MODULE; - s->port[1].fc.module = THIS_MODULE; - - s->next = socs; - socs = 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 SOC */ - propl = prom_getproperty (sdev->prom_node, "soc-wwn", tmp, sizeof(tmp)); - if (propl != sizeof (fc_wwn)) { - s->wwn.naaid = NAAID_IEEE; - s->wwn.lo = 0x12345678; - } else - memcpy (&s->wwn, tmp, sizeof (fc_wwn)); - - propl = prom_getproperty (sdev->prom_node, "port-wwns", tmp, sizeof(tmp)); - if (propl != 2 * sizeof (fc_wwn)) { - s->port[0].fc.wwn_nport.naaid = NAAID_IEEE_EXT; - s->port[0].fc.wwn_nport.hi = s->wwn.hi; - s->port[0].fc.wwn_nport.lo = s->wwn.lo; - s->port[1].fc.wwn_nport.naaid = NAAID_IEEE_EXT; - s->port[1].fc.wwn_nport.nportid = 1; - s->port[1].fc.wwn_nport.hi = s->wwn.hi; - s->port[1].fc.wwn_nport.lo = s->wwn.lo; - } else { - memcpy (&s->port[0].fc.wwn_nport, tmp, sizeof (fc_wwn)); - memcpy (&s->port[1].fc.wwn_nport, tmp + sizeof (fc_wwn), sizeof (fc_wwn)); - } - 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_nport, s->port[0].fc.wwn_nport.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 = soc_reset; - s->port[1].fc.reset = soc_reset; - - if (sdev->num_registers == 1) { - /* Probably SunFire onboard SOC */ - s->xram = sbus_ioremap(&sdev->resource[0], 0, - 0x10000UL, "soc xram"); - s->regs = sbus_ioremap(&sdev->resource[0], 0x10000UL, - 0x10UL, "soc regs"); - } else { - /* Probably SOC sbus card */ - s->xram = sbus_ioremap(&sdev->resource[1], 0, - sdev->reg_addrs[1].reg_size, "soc xram"); - s->regs = sbus_ioremap(&sdev->resource[2], 0, - sdev->reg_addrs[2].reg_size, "soc regs"); - } - - soc_init_bursts(s, sdev); - - SOD(("Disabling SOC\n")) - - soc_disable (s); - - irq = sdev->irqs[0]; - - if (request_irq (irq, soc_intr, IRQF_SHARED, "SOC", (void *)s)) { - soc_printk ("Cannot order irq %d to go\n", irq); - socs = s->next; - return; - } - - SOD(("SOC uses IRQ %d\n", irq)) - - s->port[0].fc.irq = irq; - s->port[1].fc.irq = irq; - - sprintf (s->port[0].fc.name, "soc%d port A", no); - sprintf (s->port[1].fc.name, "soc%d port B", no); - s->port[0].flags = SOC_FC_HDR | SOC_PORT_A; - s->port[1].flags = SOC_FC_HDR | SOC_PORT_B; - s->port[1].mask = (1 << 11); - - s->port[0].fc.hw_enque = soc_hw_enque; - s->port[1].fc.hw_enque = soc_hw_enque; - - soc_download_fw (s); - - SOD(("Downloaded firmware\n")) - - /* Now setup xram circular queues */ - memset (cq, 0, sizeof(cq)); - - size = (SOC_CQ_REQ0_SIZE + SOC_CQ_REQ1_SIZE) * sizeof(soc_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 + SOC_CQ_REQ0_SIZE; - - s->req[0].hw_cq = (soc_hw_cq __iomem *)(s->xram + SOC_CQ_REQ_OFFSET); - s->req[1].hw_cq = (soc_hw_cq __iomem *)(s->xram + SOC_CQ_REQ_OFFSET + sizeof(soc_hw_cq)); - s->rsp[0].hw_cq = (soc_hw_cq __iomem *)(s->xram + SOC_CQ_RSP_OFFSET); - s->rsp[1].hw_cq = (soc_hw_cq __iomem *)(s->xram + SOC_CQ_RSP_OFFSET + sizeof(soc_hw_cq)); - - cq[1].address = cq[0].address + (SOC_CQ_REQ0_SIZE * sizeof(soc_req)); - cq[4].address = 1; - cq[5].address = 1; - cq[0].last = SOC_CQ_REQ0_SIZE - 1; - cq[1].last = SOC_CQ_REQ1_SIZE - 1; - cq[4].last = SOC_CQ_RSP0_SIZE - 1; - cq[5].last = SOC_CQ_RSP1_SIZE - 1; - for (i = 0; i < 8; i++) - cq[i].seqno = 1; - - s->req[0].last = SOC_CQ_REQ0_SIZE - 1; - s->req[1].last = SOC_CQ_REQ1_SIZE - 1; - s->rsp[0].last = SOC_CQ_RSP0_SIZE - 1; - s->rsp[1].last = SOC_CQ_RSP1_SIZE - 1; - - s->req[0].seqno = 1; - s->req[1].seqno = 1; - s->rsp[0].seqno = 1; - s->rsp[1].seqno = 1; - - xram_copy_to (s->xram + SOC_CQ_REQ_OFFSET, cq, sizeof(cq)); - - /* Make our sw copy of SOC service parameters */ - xram_copy_from (s->serv_params, s->xram + 0x140, 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); - - soc_enable (s); - - SOD(("Enabled SOC\n")) -} - -static int __init soc_probe(void) -{ - struct sbus_bus *sbus; - struct sbus_dev *sdev = NULL; - struct soc *s; - int cards = 0; - - for_each_sbus(sbus) { - for_each_sbusdev(sdev, sbus) { - if(!strcmp(sdev->prom_name, "SUNW,soc")) { - soc_init(sdev, cards); - cards++; - } - } - } - if (!cards) return -EIO; - - for_each_soc(s) - if (s->next) - s->port[1].fc.next = &s->next->port[0].fc; - fcp_init (&socs->port[0].fc); - return 0; -} - -static void __exit soc_cleanup(void) -{ - struct soc *s; - int irq; - struct sbus_dev *sdev; - - for_each_soc(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->xram, 0x10000UL); - sbus_iounmap(s->regs, 0x10UL); - } 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, - (SOC_CQ_REQ0_SIZE+SOC_CQ_REQ1_SIZE)*sizeof(soc_req), - s->req_cpu, s->req_dvma); - } -} - -module_init(soc_probe); -module_exit(soc_cleanup); -MODULE_LICENSE("GPL"); diff --git a/drivers/fc4/soc.h b/drivers/fc4/soc.h deleted file mode 100644 index d38cf5b..0000000 --- a/drivers/fc4/soc.h +++ /dev/null @@ -1,301 +0,0 @@ -/* soc.h: Definitions for Sparc SUNW,soc Fibre Channel Sbus driver. - * - * Copyright (C) 1996,1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#ifndef __SOC_H -#define __SOC_H - -#include "fc.h" -#include "fcp.h" -#include "fcp_impl.h" - -/* Hardware register offsets and constants first {{{ */ -#define CFG 0x00UL /* Config Register */ -#define SAE 0x04UL /* Slave Access Error Register */ -#define CMD 0x08UL /* Command and Status Register */ -#define IMASK 0x0cUL /* Interrupt Mask Register */ - -/* Config Register */ -#define SOC_CFG_EXT_RAM_BANK_MASK 0x07000000 -#define SOC_CFG_EEPROM_BANK_MASK 0x00030000 -#define SOC_CFG_BURST64_MASK 0x00000700 -#define SOC_CFG_SBUS_PARITY_TEST 0x00000020 -#define SOC_CFG_SBUS_PARITY_CHECK 0x00000010 -#define SOC_CFG_SBUS_ENHANCED 0x00000008 -#define SOC_CFG_BURST_MASK 0x00000007 -/* Bursts */ -#define SOC_CFG_BURST_4 0x00000000 -#define SOC_CFG_BURST_16 0x00000004 -#define SOC_CFG_BURST_32 0x00000005 -#define SOC_CFG_BURST_64 0x00000006 - -/* Slave Access Error Register */ -#define SOC_SAE_ALIGNMENT 0x00000004 -#define SOC_SAE_UNSUPPORTED 0x00000002 -#define SOC_SAE_PARITY 0x00000001 - -/* Command & Status Register */ -#define SOC_CMD_RSP_QALL 0x000f0000 -#define SOC_CMD_RSP_Q0 0x00010000 -#define SOC_CMD_RSP_Q1 0x00020000 -#define SOC_CMD_RSP_Q2 0x00040000 -#define SOC_CMD_RSP_Q3 0x00080000 -#define SOC_CMD_REQ_QALL 0x00000f00 -#define SOC_CMD_REQ_Q0 0x00000100 -#define SOC_CMD_REQ_Q1 0x00000200 -#define SOC_CMD_REQ_Q2 0x00000400 -#define SOC_CMD_REQ_Q3 0x00000800 -#define SOC_CMD_SAE 0x00000080 -#define SOC_CMD_INTR_PENDING 0x00000008 -#define SOC_CMD_NON_QUEUED 0x00000004 -#define SOC_CMD_IDLE 0x00000002 -#define SOC_CMD_SOFT_RESET 0x00000001 - -/* Interrupt Mask Register */ -#define SOC_IMASK_RSP_QALL 0x000f0000 -#define SOC_IMASK_RSP_Q0 0x00010000 -#define SOC_IMASK_RSP_Q1 0x00020000 -#define SOC_IMASK_RSP_Q2 0x00040000 -#define SOC_IMASK_RSP_Q3 0x00080000 -#define SOC_IMASK_REQ_QALL 0x00000f00 -#define SOC_IMASK_REQ_Q0 0x00000100 -#define SOC_IMASK_REQ_Q1 0x00000200 -#define SOC_IMASK_REQ_Q2 0x00000400 -#define SOC_IMASK_REQ_Q3 0x00000800 -#define SOC_IMASK_SAE 0x00000080 -#define SOC_IMASK_NON_QUEUED 0x00000004 - -#define SOC_INTR(s, cmd) \ - (((cmd & SOC_CMD_RSP_QALL) | ((~cmd) & SOC_CMD_REQ_QALL)) \ - & s->imask) - -#define SOC_SETIMASK(s, i) \ -do { (s)->imask = (i); \ - sbus_writel((i), (s)->regs + IMASK); \ -} while(0) - -/* XRAM - * - * This is a 64KB register area. It accepts only halfword access. - * That's why here are the following inline functions... - */ - -typedef void __iomem *xram_p; - -/* Get 32bit number from XRAM */ -static inline u32 xram_get_32(xram_p x) -{ - return ((sbus_readw(x + 0x00UL) << 16) | - (sbus_readw(x + 0x02UL))); -} - -/* Like the above, but when we don't care about the high 16 bits */ -static inline u32 xram_get_32low(xram_p x) -{ - return (u32) sbus_readw(x + 0x02UL); -} - -static inline u16 xram_get_16(xram_p x) -{ - return sbus_readw(x); -} - -static inline u8 xram_get_8(xram_p x) -{ - if ((unsigned long)x & 0x1UL) { - x = x - 1; - return (u8) sbus_readw(x); - } else { - return (u8) (sbus_readw(x) >> 8); - } -} - -static inline void xram_copy_from(void *p, xram_p x, int len) -{ - for (len >>= 2; len > 0; len--, x += sizeof(u32)) { - u32 val, *p32 = p; - - val = ((sbus_readw(x + 0x00UL) << 16) | - (sbus_readw(x + 0x02UL))); - *p32++ = val; - p = p32; - } -} - -static inline void xram_copy_to(xram_p x, void *p, int len) -{ - for (len >>= 2; len > 0; len--, x += sizeof(u32)) { - u32 tmp, *p32 = p; - - tmp = *p32++; - p = p32; - sbus_writew(tmp >> 16, x + 0x00UL); - sbus_writew(tmp, x + 0x02UL); - } -} - -static inline void xram_bzero(xram_p x, int len) -{ - for (len >>= 1; len > 0; len--, x += sizeof(u16)) - sbus_writew(0, x); -} - -/* Circular Queue */ - -#define SOC_CQ_REQ_OFFSET (0x100 * sizeof(u16)) -#define SOC_CQ_RSP_OFFSET (0x110 * sizeof(u16)) - -typedef struct { - u32 address; - u8 in; - u8 out; - u8 last; - u8 seqno; -} soc_hw_cq; - -#define SOC_PORT_A 0x0000 /* From/To Port A */ -#define SOC_PORT_B 0x0001 /* From/To Port A */ -#define SOC_FC_HDR 0x0002 /* Contains FC Header */ -#define SOC_NORSP 0x0004 /* Don't generate response nor interrupt */ -#define SOC_NOINT 0x0008 /* Generate response but not interrupt */ -#define SOC_XFERRDY 0x0010 /* Generate XFERRDY */ -#define SOC_IGNOREPARAM 0x0020 /* Ignore PARAM field in the FC header */ -#define SOC_COMPLETE 0x0040 /* Command completed */ -#define SOC_UNSOLICITED 0x0080 /* For request this is the packet to establish unsolicited pools, */ - /* for rsp this is unsolicited packet */ -#define SOC_STATUS 0x0100 /* State change (on/off line) */ - -typedef struct { - u32 token; - u16 flags; - u8 class; - u8 segcnt; - u32 bytecnt; -} soc_hdr; - -typedef struct { - u32 base; - u32 count; -} soc_data; - -#define SOC_CQTYPE_OUTBOUND 0x01 -#define SOC_CQTYPE_INBOUND 0x02 -#define SOC_CQTYPE_SIMPLE 0x03 -#define SOC_CQTYPE_IO_WRITE 0x04 -#define SOC_CQTYPE_IO_READ 0x05 -#define SOC_CQTYPE_UNSOLICITED 0x06 -#define SOC_CQTYPE_DIAG 0x07 -#define SOC_CQTYPE_OFFLINE 0x08 -#define SOC_CQTYPE_RESPONSE 0x10 -#define SOC_CQTYPE_INLINE 0x20 - -#define SOC_CQFLAGS_CONT 0x01 -#define SOC_CQFLAGS_FULL 0x02 -#define SOC_CQFLAGS_BADHDR 0x04 -#define SOC_CQFLAGS_BADPKT 0x08 - -typedef struct { - soc_hdr shdr; - soc_data data[3]; - fc_hdr fchdr; - u8 count; - u8 type; - u8 flags; - u8 seqno; -} soc_req; - -#define SOC_OK 0 -#define SOC_P_RJT 2 -#define SOC_F_RJT 3 -#define SOC_P_BSY 4 -#define SOC_F_BSY 5 -#define SOC_ONLINE 0x10 -#define SOC_OFFLINE 0x11 -#define SOC_TIMEOUT 0x12 -#define SOC_OVERRUN 0x13 -#define SOC_UNKOWN_CQ_TYPE 0x20 -#define SOC_BAD_SEG_CNT 0x21 -#define SOC_MAX_XCHG_EXCEEDED 0x22 -#define SOC_BAD_XID 0x23 -#define SOC_XCHG_BUSY 0x24 -#define SOC_BAD_POOL_ID 0x25 -#define SOC_INSUFFICIENT_CQES 0x26 -#define SOC_ALLOC_FAIL 0x27 -#define SOC_BAD_SID 0x28 -#define SOC_NO_SEG_INIT 0x29 - -typedef struct { - soc_hdr shdr; - u32 status; - soc_data data; - u8 xxx1[12]; - fc_hdr fchdr; - u8 count; - u8 type; - u8 flags; - u8 seqno; -} soc_rsp; - -/* }}} */ - -/* Now our software structures and constants we use to drive the beast {{{ */ - -#define SOC_CQ_REQ0_SIZE 4 -#define SOC_CQ_REQ1_SIZE 64 -#define SOC_CQ_RSP0_SIZE 8 -#define SOC_CQ_RSP1_SIZE 4 - -#define SOC_SOLICITED_RSP_Q 0 -#define SOC_UNSOLICITED_RSP_Q 1 - -struct soc; - -typedef struct { - /* This must come first */ - fc_channel fc; - struct soc *s; - u16 flags; - u16 mask; -} soc_port; - -typedef struct { - soc_hw_cq __iomem *hw_cq; /* Related XRAM cq */ - soc_req __iomem *pool; - u8 in; - u8 out; - u8 last; - u8 seqno; -} soc_cq_rsp; - -typedef struct { - soc_hw_cq __iomem *hw_cq; /* Related XRAM cq */ - soc_req *pool; - u8 in; - u8 out; - u8 last; - u8 seqno; -} soc_cq_req; - -struct soc { - spinlock_t lock; - soc_port port[2]; /* Every SOC has one or two FC ports */ - soc_cq_req req[2]; /* Request CQs */ - soc_cq_rsp rsp[2]; /* Response CQs */ - int soc_no; - void __iomem *regs; - xram_p xram; - fc_wwn wwn; - u32 imask; /* Our copy of regs->imask */ - u32 cfg; /* Our copy of regs->cfg */ - char serv_params[80]; - struct soc *next; - int curr_port; /* Which port will have priority to fcp_queue_empty */ - - soc_req *req_cpu; - u32 req_dvma; -}; - -/* }}} */ - -#endif /* !(__SOC_H) */ diff --git a/drivers/fc4/socal.c b/drivers/fc4/socal.c deleted file mode 100644 index c903ebf..0000000 --- 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 <linux/module.h> -#include <linux/kernel.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) -{ - 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"); diff --git a/drivers/fc4/socal.h b/drivers/fc4/socal.h deleted file mode 100644 index 774edf6..0000000 --- a/drivers/fc4/socal.h +++ /dev/null @@ -1,314 +0,0 @@ -/* 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) */ diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 6141389..2e6129f 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -115,7 +115,6 @@ obj-$(CONFIG_SCSI_QLOGICPTI) += qlogicpti.o obj-$(CONFIG_BLK_DEV_IDESCSI) += ide-scsi.o obj-$(CONFIG_SCSI_MESH) += mesh.o obj-$(CONFIG_SCSI_MAC53C94) += mac53c94.o -obj-$(CONFIG_SCSI_PLUTO) += pluto.o obj-$(CONFIG_SCSI_DECNCR) += NCR53C9x.o dec_esp.o obj-$(CONFIG_BLK_DEV_3W_XXXX_RAID) += 3w-xxxx.o obj-$(CONFIG_SCSI_3W_9XXX) += 3w-9xxx.o @@ -123,7 +122,6 @@ obj-$(CONFIG_SCSI_PPA) += ppa.o obj-$(CONFIG_SCSI_IMM) += imm.o obj-$(CONFIG_JAZZ_ESP) += esp_scsi.o jazz_esp.o obj-$(CONFIG_SUN3X_ESP) += NCR53C9x.o sun3x_esp.o -obj-$(CONFIG_SCSI_FCAL) += fcal.o obj-$(CONFIG_SCSI_LASI700) += 53c700.o lasi700.o obj-$(CONFIG_SCSI_SNI_53C710) += 53c700.o sni_53c710.o obj-$(CONFIG_SCSI_NSP32) += nsp32.o diff --git a/drivers/scsi/fcal.c b/drivers/scsi/fcal.c deleted file mode 100644 index c4e16c0..0000000 --- a/drivers/scsi/fcal.c +++ /dev/null @@ -1,317 +0,0 @@ -/* fcal.c: Fibre Channel Arbitrated Loop SCSI host adapter driver. - * - * Copyright (C) 1998,1999 Jakub Jelinek (jj@ultra.linux.cz) - * - */ - -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/slab.h> -#include <linux/blkdev.h> -#include <linux/proc_fs.h> -#include <linux/stat.h> -#include <linux/init.h> -#ifdef CONFIG_KMOD -#include <linux/kmod.h> -#endif - -#include <asm/irq.h> - -#include "scsi.h" -#include <scsi/scsi_host.h> -#include "../fc4/fcp_impl.h" -#include "fcal.h" - -#include <linux/module.h> - -/* #define FCAL_DEBUG */ - -#define fcal_printk printk ("FCAL %s: ", fc->name); printk - -#ifdef FCAL_DEBUG -#define FCALD(x) fcal_printk x; -#define FCALND(x) printk ("FCAL: "); printk x; -#else -#define FCALD(x) -#define FCALND(x) -#endif - -static unsigned char alpa2target[] = { -0x7e, 0x7d, 0x7c, 0xff, 0x7b, 0xff, 0xff, 0xff, 0x7a, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x79, -0x78, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x77, 0x76, 0xff, 0xff, 0x75, 0xff, 0x74, 0x73, 0x72, -0xff, 0xff, 0xff, 0x71, 0xff, 0x70, 0x6f, 0x6e, 0xff, 0x6d, 0x6c, 0x6b, 0x6a, 0x69, 0x68, 0xff, -0xff, 0x67, 0x66, 0x65, 0x64, 0x63, 0x62, 0xff, 0xff, 0x61, 0x60, 0xff, 0x5f, 0xff, 0xff, 0xff, -0xff, 0xff, 0xff, 0x5e, 0xff, 0x5d, 0x5c, 0x5b, 0xff, 0x5a, 0x59, 0x58, 0x57, 0x56, 0x55, 0xff, -0xff, 0x54, 0x53, 0x52, 0x51, 0x50, 0x4f, 0xff, 0xff, 0x4e, 0x4d, 0xff, 0x4c, 0xff, 0xff, 0xff, -0xff, 0xff, 0xff, 0x4b, 0xff, 0x4a, 0x49, 0x48, 0xff, 0x47, 0x46, 0x45, 0x44, 0x43, 0x42, 0xff, -0xff, 0x41, 0x40, 0x3f, 0x3e, 0x3d, 0x3c, 0xff, 0xff, 0x3b, 0x3a, 0xff, 0x39, 0xff, 0xff, 0xff, -0x38, 0x37, 0x36, 0xff, 0x35, 0xff, 0xff, 0xff, 0x34, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x33, -0x32, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x31, 0x30, 0xff, 0xff, 0x2f, 0xff, 0x2e, 0x2d, 0x2c, -0xff, 0xff, 0xff, 0x2b, 0xff, 0x2a, 0x29, 0x28, 0xff, 0x27, 0x26, 0x25, 0x24, 0x23, 0x22, 0xff, -0xff, 0x21, 0x20, 0x1f, 0x1e, 0x1d, 0x1c, 0xff, 0xff, 0x1b, 0x1a, 0xff, 0x19, 0xff, 0xff, 0xff, -0xff, 0xff, 0xff, 0x18, 0xff, 0x17, 0x16, 0x15, 0xff, 0x14, 0x13, 0x12, 0x11, 0x10, 0x0f, 0xff, -0xff, 0x0e, 0x0d, 0x0c, 0x0b, 0x0a, 0x09, 0xff, 0xff, 0x08, 0x07, 0xff, 0x06, 0xff, 0xff, 0xff, -0x05, 0x04, 0x03, 0xff, 0x02, 0xff, 0xff, 0xff, 0x01, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00 -}; - -static unsigned char target2alpa[] = { -0xef, 0xe8, 0xe4, 0xe2, 0xe1, 0xe0, 0xdc, 0xda, 0xd9, 0xd6, 0xd5, 0xd4, 0xd3, 0xd2, 0xd1, 0xce, -0xcd, 0xcc, 0xcb, 0xca, 0xc9, 0xc7, 0xc6, 0xc5, 0xc3, 0xbc, 0xba, 0xb9, 0xb6, 0xb5, 0xb4, 0xb3, -0xb2, 0xb1, 0xae, 0xad, 0xac, 0xab, 0xaa, 0xa9, 0xa7, 0xa6, 0xa5, 0xa3, 0x9f, 0x9e, 0x9d, 0x9b, -0x98, 0x97, 0x90, 0x8f, 0x88, 0x84, 0x82, 0x81, 0x80, 0x7c, 0x7a, 0x79, 0x76, 0x75, 0x74, 0x73, -0x72, 0x71, 0x6e, 0x6d, 0x6c, 0x6b, 0x6a, 0x69, 0x67, 0x66, 0x65, 0x63, 0x5c, 0x5a, 0x59, 0x56, -0x55, 0x54, 0x53, 0x52, 0x51, 0x4e, 0x4d, 0x4c, 0x4b, 0x4a, 0x49, 0x47, 0x46, 0x45, 0x43, 0x3c, -0x3a, 0x39, 0x36, 0x35, 0x34, 0x33, 0x32, 0x31, 0x2e, 0x2d, 0x2c, 0x2b, 0x2a, 0x29, 0x27, 0x26, -0x25, 0x23, 0x1f, 0x1e, 0x1d, 0x1b, 0x18, 0x17, 0x10, 0x0f, 0x08, 0x04, 0x02, 0x01, 0x00 -}; - -static int fcal_encode_addr(Scsi_Cmnd *SCpnt, u16 *addr, fc_channel *fc, fcp_cmnd *fcmd); - -int fcal_slave_configure(struct scsi_device *device) -{ - int depth_to_use; - - if (device->tagged_supported) - depth_to_use = /* 254 */ 8; - else - depth_to_use = 2; - - scsi_adjust_queue_depth(device, - (device->tagged_supported ? - MSG_SIMPLE_TAG : 0), - depth_to_use); - - return 0; -} - -/* Detect all FC Arbitrated Loops attached to the machine. - fc4 module has done all the work for us... */ -int __init fcal_detect(struct scsi_host_template *tpnt) -{ - int nfcals = 0; - fc_channel *fc; - int fcalcount; - int i; - - tpnt->proc_name = "fcal"; - fcalcount = 0; - for_each_online_fc_channel(fc) - if (fc->posmap) - fcalcount++; - FCALND(("%d channels online\n", fcalcount)) - if (!fcalcount) { -#if defined(MODULE) && defined(CONFIG_FC4_SOCAL_MODULE) && defined(CONFIG_KMOD) - request_module("socal"); - - for_each_online_fc_channel(fc) - if (fc->posmap) - fcalcount++; - if (!fcalcount) -#endif - return 0; - } - for_each_online_fc_channel(fc) { - struct Scsi_Host *host; - long *ages; - struct fcal *fcal; - - if (!fc->posmap) continue; - - /* Strange, this is already registered to some other SCSI host, then it cannot be fcal */ - if (fc->scsi_name[0]) continue; - memcpy (fc->scsi_name, "FCAL", 4); - - fc->can_queue = FCAL_CAN_QUEUE; - fc->rsp_size = 64; - fc->encode_addr = fcal_encode_addr; - - ages = kmalloc (128 * sizeof(long), GFP_KERNEL); - if (!ages) continue; - - host = scsi_register (tpnt, sizeof (struct fcal)); - if (!host) - { - kfree(ages); - continue; - } - - if (!try_module_get(fc->module)) { - kfree(ages); - scsi_unregister(host); - continue; - } - - nfcals++; - - fcal = (struct fcal *)host->hostdata; - - fc->fcp_register(fc, TYPE_SCSI_FCP, 0); - - for (i = 0; i < fc->posmap->len; i++) { - int status, target, alpa; - - alpa = fc->posmap->list[i]; - FCALD(("Sending PLOGI to %02x\n", alpa)) - target = alpa2target[alpa]; - status = fc_do_plogi(fc, alpa, fcal->node_wwn + target, - fcal->nport_wwn + target); - FCALD(("PLOGI returned with status %d\n", status)) - if (status != FC_STATUS_OK) - continue; - FCALD(("Sending PRLI to %02x\n", alpa)) - status = fc_do_prli(fc, alpa); - FCALD(("PRLI returned with status %d\n", status)) - if (status == FC_STATUS_OK) - fcal->map[target] = 1; - } - - host->max_id = 127; - host->irq = fc->irq; -#ifdef __sparc_v9__ - host->unchecked_isa_dma = 1; -#endif - - fc->channels = 1; - fc->targets = 127; - fc->ages = ages; - memset (ages, 0, 128 * sizeof(long)); - - fcal->fc = fc; - - FCALD(("Found FCAL\n")) - } - if (nfcals) -#ifdef __sparc__ - printk ("FCAL: Total of %d Sun Enterprise Network Array (A5000 or EX500) channels found\n", nfcals); -#else - printk ("FCAL: Total of %d Fibre Channel Arbitrated Loops found\n", nfcals); -#endif - return nfcals; -} - -int fcal_release(struct Scsi_Host *host) -{ - struct fcal *fcal = (struct fcal *)host->hostdata; - fc_channel *fc = fcal->fc; - - module_put(fc->module); - - fc->fcp_register(fc, TYPE_SCSI_FCP, 1); - FCALND((" releasing fcal.\n")); - kfree (fc->ages); - FCALND(("released fcal!\n")); - return 0; -} - -#undef SPRINTF -#define SPRINTF(args...) { if (pos < (buffer + length)) pos += sprintf (pos, ## args); } - -int fcal_proc_info (struct Scsi_Host *host, char *buffer, char **start, off_t offset, int length, int inout) -{ - struct fcal *fcal; - fc_channel *fc; - char *pos = buffer; - int i, j; - - if (inout) return length; - - fcal = (struct fcal *)host->hostdata; - fc = fcal->fc; - -#ifdef __sparc__ - SPRINTF ("Sun Enterprise Network Array (A5000 or E?500) on %s PROM node %x\n", fc->name, fc->dev->prom_node); -#else - SPRINTF ("Fibre Channel Arbitrated Loop on %s\n", fc->name); -#endif - SPRINTF ("Initiator AL-PA: %02x\n", fc->sid); - - SPRINTF ("\nAttached devices:\n"); - - for (i = 0; i < fc->posmap->len; i++) { - unsigned char alpa = fc->posmap->list[i]; - unsigned char target; - u32 *u1, *u2; - - target = alpa2target[alpa]; - u1 = (u32 *)&fcal->nport_wwn[target]; - u2 = (u32 *)&fcal->node_wwn[target]; - if (!u1[0] && !u1[1]) { - SPRINTF (" [AL-PA: %02x] Not responded to PLOGI\n", alpa); - } else if (!fcal->map[target]) { - SPRINTF (" [AL-PA: %02x, Port WWN: %08x%08x, Node WWN: %08x%08x] Not responded to PRLI\n", - alpa, u1[0], u1[1], u2[0], u2[1]); - } else { - struct scsi_device *scd; - shost_for_each_device(scd, host) - if (scd->id == target) { - SPRINTF (" [AL-PA: %02x, Id: %02d, Port WWN: %08x%08x, Node WWN: %08x%08x] ", - alpa, target, u1[0], u1[1], u2[0], u2[1]); - SPRINTF ("%s ", scsi_device_type(scd->type)); - - for (j = 0; (j < 8) && (scd->vendor[j] >= 0x20); j++) - SPRINTF ("%c", scd->vendor[j]); - SPRINTF (" "); - - for (j = 0; (j < 16) && (scd->model[j] >= 0x20); j++) - SPRINTF ("%c", scd->model[j]); - - SPRINTF ("\n"); - } - } - } - SPRINTF ("\n"); - - *start = buffer + offset; - - if ((pos - buffer) < offset) - return 0; - else if (pos - buffer - offset < length) - return pos - buffer - offset; - else - return length; -} - -/* - For FC-AL, we use a simple addressing: we have just one channel 0, - and all AL-PAs are mapped to targets 0..0x7e - */ -static int fcal_encode_addr(Scsi_Cmnd *SCpnt, u16 *addr, fc_channel *fc, fcp_cmnd *fcmd) -{ - struct fcal *f; - - /* We don't support LUNs yet - I'm not sure if LUN should be in SCSI fcp_cdb, or in second byte of addr[0] */ - if (SCpnt->cmnd[1] & 0xe0) return -EINVAL; - /* FC-PLDA tells us... */ - memset(addr, 0, 8); - f = (struct fcal *)SCpnt->device->host->hostdata; - if (!f->map[SCpnt->device->id]) - return -EINVAL; - /* Now, determine DID: It will be Native Identifier, so we zero upper - 2 bytes of the 3 byte DID, lowest byte will be AL-PA */ - fcmd->did = target2alpa[SCpnt->device->id]; - FCALD(("trying DID %06x\n", fcmd->did)) - return 0; -} - -static struct scsi_host_template driver_template = { - .name = "Fibre Channel Arbitrated Loop", - .detect = fcal_detect, - .release = fcal_release, - .proc_info = fcal_proc_info, - .queuecommand = fcp_scsi_queuecommand, - .slave_configure = fcal_slave_configure, - .can_queue = FCAL_CAN_QUEUE, - .this_id = -1, - .sg_tablesize = 1, - .cmd_per_lun = 1, - .use_clustering = ENABLE_CLUSTERING, - .eh_abort_handler = fcp_scsi_abort, - .eh_device_reset_handler = fcp_scsi_dev_reset, - .eh_host_reset_handler = fcp_scsi_host_reset, -}; -#include "scsi_module.c" - -MODULE_LICENSE("GPL"); - diff --git a/drivers/scsi/fcal.h b/drivers/scsi/fcal.h deleted file mode 100644 index 7ff2c349..0000000 --- a/drivers/scsi/fcal.h +++ /dev/null @@ -1,27 +0,0 @@ -/* fcal.h: Generic Fibre Channel Arbitrated Loop SCSI host adapter driver definitions. - * - * Copyright (C) 1998,1999 Jakub Jelinek (jj@ultra.linux.cz) - */ - -#ifndef _FCAL_H -#define _FCAL_H - -#include "../fc4/fcp_impl.h" - -struct fcal { - /* fc must be first */ - fc_channel *fc; - unsigned char map[128]; - fc_wwn nport_wwn[128]; - fc_wwn node_wwn[128]; -}; - -/* Arbitrary constant. Cannot be too large, as fc4 layer has limitations - for a particular channel */ -#define FCAL_CAN_QUEUE 512 - -int fcal_detect(struct scsi_host_template *); -int fcal_release(struct Scsi_Host *); -int fcal_slave_configure(struct scsi_device *); - -#endif /* !(_FCAL_H) */ diff --git a/drivers/scsi/pluto.c b/drivers/scsi/pluto.c deleted file mode 100644 index 0363c1c..0000000 --- a/drivers/scsi/pluto.c +++ /dev/null @@ -1,349 +0,0 @@ -/* pluto.c: SparcSTORAGE Array SCSI host adapter driver. - * - * Copyright (C) 1997,1998,1999 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - * - */ - -#include <linux/completion.h> -#include <linux/kernel.h> -#include <linux/delay.h> -#include <linux/types.h> -#include <linux/string.h> -#include <linux/slab.h> -#include <linux/blkdev.h> -#include <linux/proc_fs.h> -#include <linux/stat.h> -#include <linux/init.h> -#ifdef CONFIG_KMOD -#include <linux/kmod.h> -#endif - -#include <asm/irq.h> - -#include "scsi.h" -#include <scsi/scsi_host.h> -#include "../fc4/fcp_impl.h" -#include "pluto.h" - -#include <linux/module.h> - -#define RQ_SCSI_BUSY 0xffff -#define RQ_SCSI_DONE 0xfffe - -/* #define PLUTO_DEBUG */ - -#define pluto_printk printk ("PLUTO %s: ", fc->name); printk - -#ifdef PLUTO_DEBUG -#define PLD(x) pluto_printk x; -#define PLND(x) printk ("PLUTO: "); printk x; -#else -#define PLD(x) -#define PLND(x) -#endif - -static struct ctrl_inquiry { - struct Scsi_Host host; - struct pluto pluto; - Scsi_Cmnd cmd; - char inquiry[256]; - fc_channel *fc; -} *fcs __initdata; -static int fcscount __initdata = 0; -static atomic_t fcss __initdata = ATOMIC_INIT(0); -static DECLARE_COMPLETION(fc_detect_complete); - -static int pluto_encode_addr(Scsi_Cmnd *SCpnt, u16 *addr, fc_channel *fc, fcp_cmnd *fcmd); - -static void __init pluto_detect_done(Scsi_Cmnd *SCpnt) -{ - /* Do nothing */ -} - -static void __init pluto_detect_scsi_done(Scsi_Cmnd *SCpnt) -{ - PLND(("Detect done %08lx\n", (long)SCpnt)) - if (atomic_dec_and_test (&fcss)) - complete(&fc_detect_complete); -} - -int pluto_slave_configure(struct scsi_device *device) -{ - int depth_to_use; - - if (device->tagged_supported) - depth_to_use = /* 254 */ 8; - else - depth_to_use = 2; - - scsi_adjust_queue_depth(device, - (device->tagged_supported ? - MSG_SIMPLE_TAG : 0), - depth_to_use); - - return 0; -} - -/* Detect all SSAs attached to the machine. - To be fast, do it on all online FC channels at the same time. */ -int __init pluto_detect(struct scsi_host_template *tpnt) -{ - int i, retry, nplutos; - fc_channel *fc; - struct scsi_device dev; - - tpnt->proc_name = "pluto"; - fcscount = 0; - for_each_online_fc_channel(fc) { - if (!fc->posmap) - fcscount++; - } - PLND(("%d channels online\n", fcscount)) - if (!fcscount) { -#if defined(MODULE) && defined(CONFIG_FC4_SOC_MODULE) && defined(CONFIG_KMOD) - request_module("soc"); - - for_each_online_fc_channel(fc) { - if (!fc->posmap) - fcscount++; - } - if (!fcscount) -#endif - return 0; - } - fcs = kcalloc(fcscount, sizeof (struct ctrl_inquiry), GFP_DMA); - if (!fcs) { - printk ("PLUTO: Not enough memory to probe\n"); - return 0; - } - - memset (&dev, 0, sizeof(dev)); - atomic_set (&fcss, fcscount); - - i = 0; - for_each_online_fc_channel(fc) { - Scsi_Cmnd *SCpnt; - struct Scsi_Host *host; - struct pluto *pluto; - - if (i == fcscount) break; - if (fc->posmap) continue; - - PLD(("trying to find SSA\n")) - - /* If this is already registered to some other SCSI host, then it cannot be pluto */ - if (fc->scsi_name[0]) continue; - memcpy (fc->scsi_name, "SSA", 4); - - fcs[i].fc = fc; - - fc->can_queue = PLUTO_CAN_QUEUE; - fc->rsp_size = 64; - fc->encode_addr = pluto_encode_addr; - - fc->fcp_register(fc, TYPE_SCSI_FCP, 0); - - SCpnt = &(fcs[i].cmd); - host = &(fcs[i].host); - pluto = (struct pluto *)host->hostdata; - - pluto->fc = fc; - - SCpnt->cmnd[0] = INQUIRY; - SCpnt->cmnd[4] = 255; - - /* FC layer requires this, so that SCpnt->device->tagged_supported is initially 0 */ - SCpnt->device = &dev; - dev.host = host; - - SCpnt->cmd_len = COMMAND_SIZE(INQUIRY); - - SCpnt->request->cmd_flags &= ~REQ_STARTED; - - SCpnt->request_bufflen = 256; - SCpnt->request_buffer = fcs[i].inquiry; - PLD(("set up %d %08lx\n", i, (long)SCpnt)) - i++; - } - - for (retry = 0; retry < 5; retry++) { - for (i = 0; i < fcscount; i++) { - if (!fcs[i].fc) break; - if (!(fcs[i].cmd.request->cmd_flags & REQ_STARTED)) { - fcs[i].cmd.request->cmd_flags |= REQ_STARTED; - disable_irq(fcs[i].fc->irq); - PLND(("queuecommand %d %d\n", retry, i)) - fcp_scsi_queuecommand (&(fcs[i].cmd), - pluto_detect_scsi_done); - enable_irq(fcs[i].fc->irq); - } - } - - wait_for_completion_timeout(&fc_detect_complete, 10 * HZ); - PLND(("Woken up\n")) - if (!atomic_read(&fcss)) - break; /* All fc channels have answered us */ - } - - PLND(("Finished search\n")) - for (i = 0, nplutos = 0; i < fcscount; i++) { - Scsi_Cmnd *SCpnt; - - if (!(fc = fcs[i].fc)) break; - - SCpnt = &(fcs[i].cmd); - - /* Let FC mid-level free allocated resources */ - pluto_detect_scsi_done(SCpnt); - - if (!SCpnt->result) { - struct pluto_inquiry *inq; - struct pluto *pluto; - struct Scsi_Host *host; - - inq = (struct pluto_inquiry *)fcs[i].inquiry; - - if ((inq->dtype & 0x1f) == TYPE_PROCESSOR && - !strncmp (inq->vendor_id, "SUN", 3) && - !strncmp (inq->product_id, "SSA", 3)) { - char *p; - long *ages; - - ages = kcalloc((inq->channels + 1) * inq->targets, sizeof(long), GFP_KERNEL); - if (!ages) continue; - - host = scsi_register (tpnt, sizeof (struct pluto)); - if(!host) - { - kfree(ages); - continue; - } - - if (!try_module_get(fc->module)) { - kfree(ages); - scsi_unregister(host); - continue; - } - - nplutos++; - - pluto = (struct pluto *)host->hostdata; - - host->max_id = inq->targets; - host->max_channel = inq->channels; - host->irq = fc->irq; - - fc->channels = inq->channels + 1; - fc->targets = inq->targets; - fc->ages = ages; - - pluto->fc = fc; - memcpy (pluto->rev_str, inq->revision, 4); - pluto->rev_str[4] = 0; - p = strchr (pluto->rev_str, ' '); - if (p) *p = 0; - memcpy (pluto->fw_rev_str, inq->fw_revision, 4); - pluto->fw_rev_str[4] = 0; - p = strchr (pluto->fw_rev_str, ' '); - if (p) *p = 0; - memcpy (pluto->serial_str, inq->serial, 12); - pluto->serial_str[12] = 0; - p = strchr (pluto->serial_str, ' '); - if (p) *p = 0; - - PLD(("Found SSA rev %s fw rev %s serial %s %dx%d\n", pluto->rev_str, pluto->fw_rev_str, pluto->serial_str, host->max_channel, host->max_id)) - } else - fc->fcp_register(fc, TYPE_SCSI_FCP, 1); - } else - fc->fcp_register(fc, TYPE_SCSI_FCP, 1); - } - kfree(fcs); - if (nplutos) - printk ("PLUTO: Total of %d SparcSTORAGE Arrays found\n", nplutos); - return nplutos; -} - -int pluto_release(struct Scsi_Host *host) -{ - struct pluto *pluto = (struct pluto *)host->hostdata; - fc_channel *fc = pluto->fc; - - module_put(fc->module); - - fc->fcp_register(fc, TYPE_SCSI_FCP, 1); - PLND((" releasing pluto.\n")); - kfree (fc->ages); - PLND(("released pluto!\n")); - return 0; -} - -const char *pluto_info(struct Scsi_Host *host) -{ - static char buf[128], *p; - struct pluto *pluto = (struct pluto *) host->hostdata; - - sprintf(buf, "SUN SparcSTORAGE Array %s fw %s serial %s %dx%d on %s", - pluto->rev_str, pluto->fw_rev_str, pluto->serial_str, - host->max_channel, host->max_id, pluto->fc->name); -#ifdef __sparc__ - p = strchr(buf, 0); - sprintf(p, " PROM node %x", pluto->fc->dev->prom_node); -#endif - return buf; -} - -/* SSA uses this FC4S addressing: - switch (addr[0]) - { - case 0: CONTROLLER - All of addr[1]..addr[3] has to be 0 - case 1: SINGLE DISK - addr[1] channel, addr[2] id, addr[3] 0 - case 2: DISK GROUP - ??? - } - - So that SCSI mid-layer can access to these, we reserve - channel 0 id 0 lun 0 for CONTROLLER - and channels 1 .. max_channel are normal single disks. - */ -static int pluto_encode_addr(Scsi_Cmnd *SCpnt, u16 *addr, fc_channel *fc, fcp_cmnd *fcmd) -{ - PLND(("encode addr %d %d %d\n", SCpnt->device->channel, SCpnt->device->id, SCpnt->cmnd[1] & 0xe0)) - /* We don't support LUNs - neither does SSA :) */ - if (SCpnt->cmnd[1] & 0xe0) - return -EINVAL; - if (!SCpnt->device->channel) { - if (SCpnt->device->id) - return -EINVAL; - memset (addr, 0, 4 * sizeof(u16)); - } else { - addr[0] = 1; - addr[1] = SCpnt->device->channel - 1; - addr[2] = SCpnt->device->id; - addr[3] = 0; - } - /* We're Point-to-Point, so target it to the default DID */ - fcmd->did = fc->did; - PLND(("trying %04x%04x%04x%04x\n", addr[0], addr[1], addr[2], addr[3])) - return 0; -} - -static struct scsi_host_template driver_template = { - .name = "Sparc Storage Array 100/200", - .detect = pluto_detect, - .release = pluto_release, - .info = pluto_info, - .queuecommand = fcp_scsi_queuecommand, - .slave_configure = pluto_slave_configure, - .can_queue = PLUTO_CAN_QUEUE, - .this_id = -1, - .sg_tablesize = 1, - .cmd_per_lun = 1, - .use_clustering = ENABLE_CLUSTERING, - .eh_abort_handler = fcp_scsi_abort, - .eh_device_reset_handler = fcp_scsi_dev_reset, - .eh_host_reset_handler = fcp_scsi_host_reset, -}; - -#include "scsi_module.c" - -MODULE_LICENSE("GPL"); - diff --git a/drivers/scsi/pluto.h b/drivers/scsi/pluto.h deleted file mode 100644 index 5da2061..0000000 --- a/drivers/scsi/pluto.h +++ /dev/null @@ -1,47 +0,0 @@ -/* pluto.h: SparcSTORAGE Array SCSI host adapter driver definitions. - * - * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz) - */ - -#ifndef _PLUTO_H -#define _PLUTO_H - -#include "../fc4/fcp_impl.h" - -struct pluto { - /* This must be first */ - fc_channel *fc; - char rev_str[5]; - char fw_rev_str[5]; - char serial_str[13]; -}; - -struct pluto_inquiry { - u8 dtype; - u8 removable:1, qualifier:7; - u8 iso:2, ecma:3, ansi:3; - u8 aenc:1, trmiop:1, :2, rdf:4; - u8 len; - u8 xxx1; - u8 xxx2; - u8 reladdr:1, wbus32:1, wbus16:1, sync:1, linked:1, :1, cmdque:1, softreset:1; - u8 vendor_id[8]; - u8 product_id[16]; - u8 revision[4]; - u8 fw_revision[4]; - u8 serial[12]; - u8 xxx3[2]; - u8 channels; - u8 targets; -}; - -/* This is the max number of outstanding SCSI commands per pluto */ -#define PLUTO_CAN_QUEUE 254 - -int pluto_detect(struct scsi_host_template *); -int pluto_release(struct Scsi_Host *); -const char * pluto_info(struct Scsi_Host *); -int pluto_slave_configure(struct scsi_device *); - -#endif /* !(_PLUTO_H) */ - |
