diff options
-rw-r--r-- | drivers/s390/cio/blacklist.c | 23 | ||||
-rw-r--r-- | drivers/s390/cio/chsc.c | 63 | ||||
-rw-r--r-- | drivers/s390/cio/cio.c | 84 | ||||
-rw-r--r-- | drivers/s390/cio/cio.h | 11 | ||||
-rw-r--r-- | drivers/s390/cio/cmf.c | 8 | ||||
-rw-r--r-- | drivers/s390/cio/css.c | 69 | ||||
-rw-r--r-- | drivers/s390/cio/css.h | 13 | ||||
-rw-r--r-- | drivers/s390/cio/device.c | 17 | ||||
-rw-r--r-- | drivers/s390/cio/device.h | 1 | ||||
-rw-r--r-- | drivers/s390/cio/device_fsm.c | 18 | ||||
-rw-r--r-- | drivers/s390/cio/device_id.c | 6 | ||||
-rw-r--r-- | drivers/s390/cio/device_ops.c | 4 | ||||
-rw-r--r-- | drivers/s390/cio/device_pgid.c | 13 | ||||
-rw-r--r-- | drivers/s390/cio/device_status.c | 8 | ||||
-rw-r--r-- | drivers/s390/cio/ioasm.h | 55 | ||||
-rw-r--r-- | drivers/s390/cio/qdio.c | 107 | ||||
-rw-r--r-- | drivers/s390/cio/qdio.h | 26 | ||||
-rw-r--r-- | drivers/s390/cio/schid.h | 25 |
18 files changed, 313 insertions, 238 deletions
diff --git a/drivers/s390/cio/blacklist.c b/drivers/s390/cio/blacklist.c index a1c52a6..a4b0303 100644 --- a/drivers/s390/cio/blacklist.c +++ b/drivers/s390/cio/blacklist.c @@ -35,7 +35,7 @@ */ /* 65536 bits to indicate if a devno is blacklisted or not */ -#define __BL_DEV_WORDS ((__MAX_SUBCHANNELS + (8*sizeof(long) - 1)) / \ +#define __BL_DEV_WORDS ((__MAX_SUBCHANNEL + (8*sizeof(long) - 1)) / \ (8*sizeof(long))) static unsigned long bl_dev[__BL_DEV_WORDS]; typedef enum {add, free} range_action; @@ -50,7 +50,7 @@ blacklist_range (range_action action, unsigned int from, unsigned int to) if (!to) to = from; - if (from > to || to > __MAX_SUBCHANNELS) { + if (from > to || to > __MAX_SUBCHANNEL) { printk (KERN_WARNING "Invalid blacklist range " "0x%04x to 0x%04x, skipping\n", from, to); return; @@ -143,7 +143,7 @@ blacklist_parse_parameters (char *str, range_action action) if (strncmp(str,"all,",4) == 0 || strcmp(str,"all") == 0 || strncmp(str,"all\n",4) == 0 || strncmp(str,"all ",4) == 0) { from = 0; - to = __MAX_SUBCHANNELS; + to = __MAX_SUBCHANNEL; str += 3; } else { int rc; @@ -226,20 +226,21 @@ is_blacklisted (int devno) static inline void s390_redo_validation (void) { - unsigned int irq; + struct subchannel_id schid; CIO_TRACE_EVENT (0, "redoval"); - for (irq = 0; irq < __MAX_SUBCHANNELS; irq++) { + init_subchannel_id(&schid); + do { int ret; struct subchannel *sch; - sch = get_subchannel_by_schid(irq); + sch = get_subchannel_by_schid(schid); if (sch) { /* Already known. */ put_device(&sch->dev); continue; } - ret = css_probe_device(irq); + ret = css_probe_device(schid); if (ret == -ENXIO) break; /* We're through. */ if (ret == -ENOMEM) @@ -248,7 +249,7 @@ s390_redo_validation (void) * panic. */ break; - } + } while (schid.sch_no++ < __MAX_SUBCHANNEL); } /* @@ -289,12 +290,12 @@ static int cio_ignore_read (char *page, char **start, off_t off, len = 0; for (devno = off; /* abuse the page variable * as counter, see fs/proc/generic.c */ - devno < __MAX_SUBCHANNELS && len + entry_size < count; devno++) { + devno < __MAX_SUBCHANNEL && len + entry_size < count; devno++) { if (!test_bit(devno, bl_dev)) continue; len += sprintf(page + len, "0.0.%04lx", devno); if (test_bit(devno + 1, bl_dev)) { /* print range */ - while (++devno < __MAX_SUBCHANNELS) + while (++devno < __MAX_SUBCHANNEL) if (!test_bit(devno, bl_dev)) break; len += sprintf(page + len, "-0.0.%04lx", --devno); @@ -302,7 +303,7 @@ static int cio_ignore_read (char *page, char **start, off_t off, len += sprintf(page + len, "\n"); } - if (devno < __MAX_SUBCHANNELS) + if (devno < __MAX_SUBCHANNEL) *eof = 1; *start = (char *) (devno - off); /* number of checked entries */ return len; diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c index fa3c23b..aff5d14 100644 --- a/drivers/s390/cio/chsc.c +++ b/drivers/s390/cio/chsc.c @@ -104,8 +104,8 @@ chsc_get_sch_desc_irq(struct subchannel *sch, void *page) .code = 0x0004, }; - ssd_area->f_sch = sch->irq; - ssd_area->l_sch = sch->irq; + ssd_area->f_sch = sch->schid.sch_no; + ssd_area->l_sch = sch->schid.sch_no; ccode = chsc(ssd_area); if (ccode > 0) { @@ -147,7 +147,8 @@ chsc_get_sch_desc_irq(struct subchannel *sch, void *page) */ if (ssd_area->st > 3) { /* uhm, that looks strange... */ CIO_CRW_EVENT(0, "Strange subchannel type %d" - " for sch %04x\n", ssd_area->st, sch->irq); + " for sch %04x\n", ssd_area->st, + sch->schid.sch_no); /* * There may have been a new subchannel type defined in the * time since this code was written; since we don't know which @@ -157,7 +158,7 @@ chsc_get_sch_desc_irq(struct subchannel *sch, void *page) } else { const char *type[4] = {"I/O", "chsc", "message", "ADM"}; CIO_CRW_EVENT(6, "ssd: sch %04x is %s subchannel\n", - sch->irq, type[ssd_area->st]); + sch->schid.sch_no, type[ssd_area->st]); sch->ssd_info.valid = 1; sch->ssd_info.type = ssd_area->st; @@ -232,7 +233,7 @@ s390_subchannel_remove_chpid(struct device *dev, void *data) mask = 0x80 >> j; spin_lock(&sch->lock); - stsch(sch->irq, &schib); + stsch(sch->schid, &schib); if (!schib.pmcw.dnv) goto out_unreg; memcpy(&sch->schib, &schib, sizeof(struct schib)); @@ -284,7 +285,7 @@ out_unlock: out_unreg: spin_unlock(&sch->lock); sch->lpm = 0; - if (css_enqueue_subchannel_slow(sch->irq)) { + if (css_enqueue_subchannel_slow(sch->schid)) { css_clear_subchannel_slow_list(); need_rescan = 1; } @@ -337,7 +338,7 @@ s390_process_res_acc_sch(u8 chpid, __u16 fla, u32 fla_mask, * new path information and eventually check for logically * offline chpids. */ - ccode = stsch(sch->irq, &sch->schib); + ccode = stsch(sch->schid, &sch->schib); if (ccode > 0) return 0; @@ -348,7 +349,8 @@ static int s390_process_res_acc (u8 chpid, __u16 fla, u32 fla_mask) { struct subchannel *sch; - int irq, rc; + int rc; + struct subchannel_id schid; char dbf_txt[15]; sprintf(dbf_txt, "accpr%x", chpid); @@ -370,10 +372,11 @@ s390_process_res_acc (u8 chpid, __u16 fla, u32 fla_mask) return 0; /* no need to do the rest */ rc = 0; - for (irq = 0; irq < __MAX_SUBCHANNELS; irq++) { + init_subchannel_id(&schid); + do { int chp_mask, old_lpm; - sch = get_subchannel_by_schid(irq); + sch = get_subchannel_by_schid(schid); if (!sch) { struct schib schib; int ret; @@ -385,7 +388,7 @@ s390_process_res_acc (u8 chpid, __u16 fla, u32 fla_mask) * that beast may be on we'll have to do a stsch * on all devices, grr... */ - if (stsch(irq, &schib)) { + if (stsch(schid, &schib)) { /* We're through */ if (need_rescan) rc = -EAGAIN; @@ -396,7 +399,7 @@ s390_process_res_acc (u8 chpid, __u16 fla, u32 fla_mask) continue; } /* Put it on the slow path. */ - ret = css_enqueue_subchannel_slow(irq); + ret = css_enqueue_subchannel_slow(schid); if (ret) { css_clear_subchannel_slow_list(); need_rescan = 1; @@ -428,7 +431,7 @@ s390_process_res_acc (u8 chpid, __u16 fla, u32 fla_mask) put_device(&sch->dev); if (fla_mask == 0xffff) break; - } + } while (schid.sch_no++ < __MAX_SUBCHANNEL); return rc; } @@ -608,7 +611,8 @@ static int chp_add(int chpid) { struct subchannel *sch; - int irq, ret, rc; + int ret, rc; + struct subchannel_id schid; char dbf_txt[15]; if (!get_chp_status(chpid)) @@ -618,14 +622,15 @@ chp_add(int chpid) CIO_TRACE_EVENT(2, dbf_txt); rc = 0; - for (irq = 0; irq < __MAX_SUBCHANNELS; irq++) { + init_subchannel_id(&schid); + do { int i; - sch = get_subchannel_by_schid(irq); + sch = get_subchannel_by_schid(schid); if (!sch) { struct schib schib; - if (stsch(irq, &schib)) { + if (stsch(schid, &schib)) { /* We're through */ if (need_rescan) rc = -EAGAIN; @@ -636,7 +641,7 @@ chp_add(int chpid) continue; } /* Put it on the slow path. */ - ret = css_enqueue_subchannel_slow(irq); + ret = css_enqueue_subchannel_slow(schid); if (ret) { css_clear_subchannel_slow_list(); need_rescan = 1; @@ -648,7 +653,7 @@ chp_add(int chpid) spin_lock(&sch->lock); for (i=0; i<8; i++) if (sch->schib.pmcw.chpid[i] == chpid) { - if (stsch(sch->irq, &sch->schib) != 0) { + if (stsch(sch->schid, &sch->schib) != 0) { /* Endgame. */ spin_unlock(&sch->lock); return rc; @@ -669,7 +674,7 @@ chp_add(int chpid) spin_unlock(&sch->lock); put_device(&sch->dev); - } + } while (schid.sch_no++ < __MAX_SUBCHANNEL); return rc; } @@ -702,7 +707,7 @@ __check_for_io_and_kill(struct subchannel *sch, int index) if (!device_is_online(sch)) /* cio could be doing I/O. */ return 0; - cc = stsch(sch->irq, &sch->schib); + cc = stsch(sch->schid, &sch->schib); if (cc) return 0; if (sch->schib.scsw.actl && sch->schib.pmcw.lpum == (0x80 >> index)) { @@ -743,7 +748,7 @@ __s390_subchannel_vary_chpid(struct subchannel *sch, __u8 chpid, int on) * just varied off path. Then kill it. */ if (!__check_for_io_and_kill(sch, chp) && !sch->lpm) { - if (css_enqueue_subchannel_slow(sch->irq)) { + if (css_enqueue_subchannel_slow(sch->schid)) { css_clear_subchannel_slow_list(); need_rescan = 1; } @@ -789,7 +794,8 @@ static int s390_vary_chpid( __u8 chpid, int on) { char dbf_text[15]; - int status, irq, ret; + int status, ret; + struct subchannel_id schid; struct subchannel *sch; sprintf(dbf_text, on?"varyon%x":"varyoff%x", chpid); @@ -818,26 +824,27 @@ s390_vary_chpid( __u8 chpid, int on) if (!on) goto out; /* Scan for new devices on varied on path. */ - for (irq = 0; irq < __MAX_SUBCHANNELS; irq++) { + init_subchannel_id(&schid); + do { struct schib schib; if (need_rescan) break; - sch = get_subchannel_by_schid(irq); + sch = get_subchannel_by_schid(schid); if (sch) { put_device(&sch->dev); continue; } - if (stsch(irq, &schib)) + if (stsch(schid, &schib)) /* We're through */ break; /* Put it on the slow path. */ - ret = css_enqueue_subchannel_slow(irq); + ret = css_enqueue_subchannel_slow(schid); if (ret) { css_clear_subchannel_slow_list(); need_rescan = 1; } - } + } while (schid.sch_no++ < __MAX_SUBCHANNEL); out: if (need_rescan || css_slow_subchannels_exist()) queue_work(slow_path_wq, &slow_path_work); diff --git a/drivers/s390/cio/cio.c b/drivers/s390/cio/cio.c index 185bc73..396bada 100644 --- a/drivers/s390/cio/cio.c +++ b/drivers/s390/cio/cio.c @@ -135,7 +135,7 @@ cio_tpi(void) return 0; irb = (struct irb *) __LC_IRB; /* Store interrupt response block to lowcore. */ - if (tsch (tpi_info->irq, irb) != 0) + if (tsch (tpi_info->schid, irb) != 0) /* Not status pending or not operational. */ return 1; sch = (struct subchannel *)(unsigned long)tpi_info->intparm; @@ -163,10 +163,10 @@ cio_start_handle_notoper(struct subchannel *sch, __u8 lpm) else sch->lpm = 0; - stsch (sch->irq, &sch->schib); + stsch (sch->schid, &sch->schib); CIO_MSG_EVENT(0, "cio_start: 'not oper' status for " - "subchannel %04x!\n", sch->irq); + "subchannel %04x!\n", sch->schid.sch_no); sprintf(dbf_text, "no%s", sch->dev.bus_id); CIO_TRACE_EVENT(0, dbf_text); CIO_HEX_EVENT(0, &sch->schib, sizeof (struct schib)); @@ -204,7 +204,7 @@ cio_start_key (struct subchannel *sch, /* subchannel structure */ sch->orb.key = key >> 4; /* issue "Start Subchannel" */ sch->orb.cpa = (__u32) __pa (cpa); - ccode = ssch (sch->irq, &sch->orb); + ccode = ssch (sch->schid, &sch->orb); /* process condition code */ sprintf (dbf_txt, "ccode:%d", ccode); @@ -243,7 +243,7 @@ cio_resume (struct subchannel *sch) CIO_TRACE_EVENT (4, "resIO"); CIO_TRACE_EVENT (4, sch->dev.bus_id); - ccode = rsch (sch->irq); + ccode = rsch (sch->schid); sprintf (dbf_txt, "ccode:%d", ccode); CIO_TRACE_EVENT (4, dbf_txt); @@ -283,7 +283,7 @@ cio_halt(struct subchannel *sch) /* * Issue "Halt subchannel" and process condition code */ - ccode = hsch (sch->irq); + ccode = hsch (sch->schid); sprintf (dbf_txt, "ccode:%d", ccode); CIO_TRACE_EVENT (2, dbf_txt); @@ -318,7 +318,7 @@ cio_clear(struct subchannel *sch) /* * Issue "Clear subchannel" and process condition code */ - ccode = csch (sch->irq); + ccode = csch (sch->schid); sprintf (dbf_txt, "ccode:%d", ccode); CIO_TRACE_EVENT (2, dbf_txt); @@ -351,7 +351,7 @@ cio_cancel (struct subchannel *sch) CIO_TRACE_EVENT (2, "cancelIO"); CIO_TRACE_EVENT (2, sch->dev.bus_id); - ccode = xsch (sch->irq); + ccode = xsch (sch->schid); sprintf (dbf_txt, "ccode:%d", ccode); CIO_TRACE_EVENT (2, dbf_txt); @@ -359,7 +359,7 @@ cio_cancel (struct subchannel *sch) switch (ccode) { case 0: /* success */ /* Update information in scsw. */ - stsch (sch->irq, &sch->schib); + stsch (sch->schid, &sch->schib); return 0; case 1: /* status pending */ return -EBUSY; @@ -381,7 +381,7 @@ cio_modify (struct subchannel *sch) ret = 0; for (retry = 0; retry < 5; retry++) { - ccode = msch_err (sch->irq, &sch->schib); + ccode = msch_err (sch->schid, &sch->schib); if (ccode < 0) /* -EIO if msch gets a program check. */ return ccode; switch (ccode) { @@ -414,7 +414,7 @@ cio_enable_subchannel (struct subchannel *sch, unsigned int isc) CIO_TRACE_EVENT (2, "ensch"); CIO_TRACE_EVENT (2, sch->dev.bus_id); - ccode = stsch (sch->irq, &sch->schib); + ccode = stsch (sch->schid, &sch->schib); if (ccode) return -ENODEV; @@ -432,13 +432,13 @@ cio_enable_subchannel (struct subchannel *sch, unsigned int isc) */ sch->schib.pmcw.csense = 0; if (ret == 0) { - stsch (sch->irq, &sch->schib); + stsch (sch->schid, &sch->schib); if (sch->schib.pmcw.ena) break; } if (ret == -EBUSY) { struct irb irb; - if (tsch(sch->irq, &irb) != 0) + if (tsch(sch->schid, &irb) != 0) break; } } @@ -461,7 +461,7 @@ cio_disable_subchannel (struct subchannel *sch) CIO_TRACE_EVENT (2, "dissch"); CIO_TRACE_EVENT (2, sch->dev.bus_id); - ccode = stsch (sch->irq, &sch->schib); + ccode = stsch (sch->schid, &sch->schib); if (ccode == 3) /* Not operational. */ return -ENODEV; @@ -485,7 +485,7 @@ cio_disable_subchannel (struct subchannel *sch) */ break; if (ret == 0) { - stsch (sch->irq, &sch->schib); + stsch (sch->schid, &sch->schib); if (!sch->schib.pmcw.ena) break; } @@ -508,12 +508,12 @@ cio_disable_subchannel (struct subchannel *sch) * -ENODEV for subchannels with invalid device number or blacklisted devices */ int -cio_validate_subchannel (struct subchannel *sch, unsigned int irq) +cio_validate_subchannel (struct subchannel *sch, struct subchannel_id schid) { char dbf_txt[15]; int ccode; - sprintf (dbf_txt, "valsch%x", irq); + sprintf (dbf_txt, "valsch%x", schid.sch_no); CIO_TRACE_EVENT (4, dbf_txt); /* Nuke all fields. */ @@ -522,17 +522,17 @@ cio_validate_subchannel (struct subchannel *sch, unsigned int irq) spin_lock_init(&sch->lock); /* Set a name for the subchannel */ - snprintf (sch->dev.bus_id, BUS_ID_SIZE, "0.0.%04x", irq); + snprintf (sch->dev.bus_id, BUS_ID_SIZE, "0.0.%04x", schid.sch_no); /* * The first subchannel that is not-operational (ccode==3) * indicates that there aren't any more devices available. */ - sch->irq = irq; - ccode = stsch (irq, &sch->schib); + ccode = stsch (schid, &sch->schib); if (ccode) return -ENXIO; + sch->schid = schid; /* Copy subchannel type from path management control word. */ sch->st = sch->schib.pmcw.st; @@ -543,7 +543,7 @@ cio_validate_subchannel (struct subchannel *sch, unsigned int irq) CIO_DEBUG(KERN_INFO, 0, "Subchannel %04X reports " "non-I/O subchannel type %04X\n", - sch->irq, sch->st); + sch->schid.sch_no, sch->st); /* We stop here for non-io subchannels. */ return sch->st; } @@ -573,7 +573,7 @@ cio_validate_subchannel (struct subchannel *sch, unsigned int irq) CIO_DEBUG(KERN_INFO, 0, "Detected device %04X on subchannel %04X" " - PIM = %02X, PAM = %02X, POM = %02X\n", - sch->schib.pmcw.dev, sch->irq, sch->schib.pmcw.pim, + sch->schib.pmcw.dev, sch->schid.sch_no, sch->schib.pmcw.pim, sch->schib.pmcw.pam, sch->schib.pmcw.pom); /* @@ -632,7 +632,7 @@ do_IRQ (struct pt_regs *regs) if (sch) spin_lock(&sch->lock); /* Store interrupt response block to lowcore. */ - if (tsch (tpi_info->irq, irb) == 0 && sch) { + if (tsch (tpi_info->schid, irb) == 0 && sch) { /* Keep subchannel information word up to date. */ memcpy (&sch->schib.scsw, &irb->scsw, sizeof (irb->scsw)); @@ -693,26 +693,28 @@ wait_cons_dev (void) static int cio_console_irq(void) { - int irq; + struct subchannel_id schid; + init_subchannel_id(&schid); if (console_irq != -1) { /* VM provided us with the irq number of the console. */ - if (stsch(console_irq, &console_subchannel.schib) != 0 || + schid.sch_no = console_irq; + if (stsch(schid, &console_subchannel.schib) != 0 || !console_subchannel.schib.pmcw.dnv) return -1; console_devno = console_subchannel.schib.pmcw.dev; } else if (console_devno != -1) { /* At least the console device number is known. */ - for (irq = 0; irq < __MAX_SUBCHANNELS; irq++) { - if (stsch(irq, &console_subchannel.schib) != 0) + do { + if (stsch(schid, &console_subchannel.schib) != 0) break; if (console_subchannel.schib.pmcw.dnv && console_subchannel.schib.pmcw.dev == console_devno) { - console_irq = irq; + console_irq = schid.sch_no; break; } - } + } while (schid.sch_no++ < __MAX_SUBCHANNEL); if (console_irq == -1) return -1; } else { @@ -729,6 +731,7 @@ struct subchannel * cio_probe_console(void) { int irq, ret; + struct subchannel_id schid; if (xchg(&console_subchannel_in_use, 1) != 0) return ERR_PTR(-EBUSY); @@ -738,7 +741,9 @@ cio_probe_console(void) return ERR_PTR(-ENODEV); } memset(&console_subchannel, 0, sizeof(struct subchannel)); - ret = cio_validate_subchannel(&console_subchannel, irq); + init_subchannel_id(&schid); + schid.sch_no = irq; + ret = cio_validate_subchannel(&console_subchannel, schid); if (ret) { console_subchannel_in_use = 0; return ERR_PTR(-ENODEV); @@ -770,11 +775,11 @@ cio_release_console(void) /* Bah... hack to catch console special sausages. */ int -cio_is_console(int irq) +cio_is_console(struct subchannel_id schid) { if (!console_subchannel_in_use) return 0; - return (irq == console_subchannel.irq); + return schid_equal(&schid, &console_subchannel.schid); } struct subchannel * @@ -787,7 +792,7 @@ cio_get_console_subchannel(void) #endif static inline int -__disable_subchannel_easy(unsigned int schid, struct schib *schib) +__disable_subchannel_easy(struct subchannel_id schid, struct schib *schib) { int retry, cc; @@ -805,7 +810,7 @@ __disable_subchannel_easy(unsigned int schid, struct schib *schib) } static inline int -__clear_subchannel_easy(unsigned int schid) +__clear_subchannel_easy(struct subchannel_id schid) { int retry; @@ -815,8 +820,8 @@ __clear_subchannel_easy(unsigned int schid) struct tpi_info ti; if (tpi(&ti)) { - tsch(ti.irq, (struct irb *)__LC_IRB); - if (ti.irq == schid) + tsch(ti.schid, (struct irb *)__LC_IRB); + if (schid_equal(&ti.schid, &schid)) return 0; } udelay(100); @@ -830,10 +835,11 @@ extern void do_reipl(unsigned long devno); void clear_all_subchannels(void) { - unsigned int schid; + struct subchannel_id schid; local_irq_disable(); - for (schid=0;schid<=highest_subchannel;schid++) { + init_subchannel_id(&schid); + do { struct schib schib; if (stsch(schid, &schib)) break; /* break out of the loop */ @@ -849,7 +855,7 @@ clear_all_subchannels(void) stsch(schid, &schib); __disable_subchannel_easy(schid, &schib); } - } + } while (schid.sch_no++ < __MAX_SUBCHANNEL); } /* Make sure all subchannels are quiet before we re-ipl an lpar. */ diff --git a/drivers/s390/cio/cio.h b/drivers/s390/cio/cio.h index c50a9da..0ca9873 100644 --- a/drivers/s390/cio/cio.h +++ b/drivers/s390/cio/cio.h @@ -1,6 +1,8 @@ #ifndef S390_CIO_H #define S390_CIO_H +#include "schid.h" + /* * where we put the ssd info */ @@ -83,7 +85,7 @@ struct orb { /* subchannel data structure used by I/O subroutines */ struct subchannel { - unsigned int irq; /* aka. subchannel number */ + struct subchannel_id schid; spinlock_t lock; /* subchannel lock */ enum { @@ -114,7 +116,7 @@ struct subchannel { #define to_subchannel(n) container_of(n, struct subchannel, dev) -extern int cio_validate_subchannel (struct subchannel *, unsigned int); +extern int cio_validate_subchannel (struct subchannel *, struct subchannel_id); extern int cio_enable_subchannel (struct subchannel *, unsigned int); extern int cio_disable_subchannel (struct subchannel *); extern int cio_cancel (struct subchannel *); @@ -127,14 +129,15 @@ extern int cio_cancel (struct subchannel *); extern int cio_set_options (struct subchannel *, int); extern int cio_get_options (struct subchannel *); extern int cio_modify (struct subchannel *); + /* Use with care. */ #ifdef CONFIG_CCW_CONSOLE extern struct subchannel *cio_probe_console(void); extern void cio_release_console(void); -extern int cio_is_console(int irq); +extern int cio_is_console(struct subchannel_id); extern struct subchannel *cio_get_console_subchannel(void); #else -#define cio_is_console(irq) 0 +#define cio_is_console(schid) 0 #define cio_get_console_subchannel() NULL #endif diff --git a/drivers/s390/cio/cmf.c b/drivers/s390/cio/cmf.c index b978f7f..0b03714 100644 --- a/drivers/s390/cio/cmf.c +++ b/drivers/s390/cio/cmf.c @@ -1,5 +1,5 @@ /* - * linux/drivers/s390/cio/cmf.c ($Revision: 1.16 $) + * linux/drivers/s390/cio/cmf.c ($Revision: 1.19 $) * * Linux on zSeries Channel Measurement Facility support * @@ -178,7 +178,7 @@ set_schib(struct ccw_device *cdev, u32 mme, int mbfc, unsigned long address) /* msch can silently fail, so do it again if necessary */ for (retry = 0; retry < 3; retry++) { /* prepare schib */ - stsch(sch->irq, schib); + stsch(sch->schid, schib); schib->pmcw.mme = mme; schib->pmcw.mbfc = mbfc; /* address can be either a block address or a block index */ @@ -188,7 +188,7 @@ set_schib(struct ccw_device *cdev, u32 mme, int mbfc, unsigned long address) schib->pmcw.mbi = address; /* try to submit it */ - switch(ret = msch_err(sch->irq, schib)) { + switch(ret = msch_err(sch->schid, schib)) { case 0: break; case 1: @@ -202,7 +202,7 @@ set_schib(struct ccw_device *cdev, u32 mme, int mbfc, unsigned long address) ret = -EINVAL; break; } - stsch(sch->irq, schib); /* restore the schib */ + stsch(sch->schid, schib); /* restore the schib */ if (ret) break; diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 7e4d57b..5137daf 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -33,7 +33,7 @@ struct device css_bus_device = { }; static struct subchannel * -css_alloc_subchannel(int irq) +css_alloc_subchannel(struct subchannel_id schid) { struct subchannel *sch; int ret; @@ -41,13 +41,11 @@ css_alloc_subchannel(int irq) sch = kmalloc (sizeof (*sch), GFP_KERNEL | GFP_DMA); if (sch == NULL) return ERR_PTR(-ENOMEM); - ret = cio_validate_subchannel (sch, irq); + ret = cio_validate_subchannel (sch, schid); if (ret < 0) { kfree(sch); return ERR_PTR(ret); } - if (irq > highest_subchannel) - highest_subchannel = irq; if (sch->st != SUBCHANNEL_TYPE_IO) { /* For now we ignore all non-io subchannels. */ @@ -87,7 +85,7 @@ css_subchannel_release(struct device *dev) struct subchannel *sch; sch = to_subchannel(dev); - if (!cio_is_console(sch->irq)) + if (!cio_is_console(sch->schid)) kfree(sch); } @@ -114,12 +112,12 @@ css_register_subchannel(struct subchannel *sch) } int -css_probe_device(int irq) +css_probe_device(struct subchannel_id schid) { int ret; struct subchannel *sch; - sch = css_alloc_subchannel(irq); + sch = css_alloc_subchannel(schid); if (IS_ERR(sch)) return PTR_ERR(sch); ret = css_register_subchannel(sch); @@ -132,26 +130,26 @@ static int check_subchannel(struct device * dev, void * data) { struct subchannel *sch; - int irq = (unsigned long)data; + struct subchannel_id *schid = data; sch = to_subchannel(dev); - return (sch->irq == irq); + return schid_equal(&sch->schid, schid); } struct subchannel * -get_subchannel_by_schid(int irq) +get_subchannel_by_schid(struct subchannel_id schid) { struct device *dev; dev = bus_find_device(&css_bus_type, NULL, - (void *)(unsigned long)irq, check_subchannel); + (void *)&schid, check_subchannel); return dev ? to_subchannel(dev) : NULL; } static inline int -css_get_subchannel_status(struct subchannel *sch, int schid) +css_get_subchannel_status(struct subchannel *sch, struct subchannel_id schid) { struct schib schib; int cc; @@ -170,13 +168,13 @@ css_get_subchannel_status(struct subchannel *sch, int schid) } static int -css_evaluate_subchannel(int irq, int slow) +css_evaluate_subchannel(struct subchannel_id schid, int slow) { int event, ret, disc; struct subchannel *sch; unsigned long flags; - sch = get_subchannel_by_schid(irq); + sch = get_subchannel_by_schid(schid); disc = sch ? device_is_disconnected(sch) : 0; if (disc && slow) { if (sch) @@ -194,9 +192,10 @@ css_evaluate_subchannel(int irq, int slow) put_device(&sch->dev); return -EAGAIN; /* Will be done on the slow path. */ } - event = css_get_subchannel_status(sch, irq); + event = css_get_subchannel_status(sch, schid); CIO_MSG_EVENT(4, "Evaluating schid %04x, event %d, %s, %s path.\n", - irq, event, sch?(disc?"disconnected":"normal"):"unknown", + schid.sch_no, event, + sch?(disc?"disconnected":"normal"):"unknown", slow?"slow":"fast"); switch (event) { case CIO_NO_PATH: @@ -253,7 +252,7 @@ css_evaluate_subchannel(int irq, int slow) sch->schib.pmcw.intparm = 0; cio_modify(sch); put_device(&sch->dev); - ret = css_probe_device(irq); + ret = css_probe_device(schid); } else { /* * We can't immediately deregister the disconnected @@ -272,7 +271,7 @@ css_evaluate_subchannel(int irq, int slow) device_trigger_reprobe(sch); spin_unlock_irqrestore(&sch->lock, flags); } - ret = sch ? 0 : css_probe_device(irq); + ret = sch ? 0 : css_probe_device(schid); break; default: BUG(); @@ -284,10 +283,12 @@ css_evaluate_subchannel(int irq, int slow) static void css_rescan_devices(void) { - int irq, ret; + int ret; + struct subchannel_id schid; - for (irq = 0; irq < __MAX_SUBCHANNELS; irq++) { - ret = css_evaluate_subchannel(irq, 1); + init_subchannel_id(&schid); + do { + ret = css_evaluate_subchannel(schid, 1); /* No more memory. It doesn't make sense to continue. No * panic because this can happen in midflight and just * because we can't use a new device is no reason to crash @@ -297,12 +298,12 @@ css_rescan_devices(void) /* -ENXIO indicates that there are no more subchannels. */ if (ret == -ENXIO) break; - } + } while (schid.sch_no++ < __MAX_SUBCHANNEL); } struct slow_subchannel { struct list_head slow_list; - unsigned long schid; + struct subchannel_id schid; }; static LIST_HEAD(slow_subchannels_head); @@ -357,20 +358,24 @@ int css_process_crw(int irq) { int ret; + struct subchannel_id mchk_schid; CIO_CRW_EVENT(2, "source is subchannel %04X\n", irq); if (need_rescan) /* We need to iterate all subchannels anyway. */ return -EAGAIN; + + init_subchannel_id(&mchk_schid); + mchk_schid.sch_no = irq; /* * Since we are always presented with IPI in the CRW, we have to * use stsch() to find out if the subchannel in question has come * or gone. */ - ret = css_evaluate_subchannel(irq, 0); + ret = css_evaluate_subchannel(mchk_schid, 0); if (ret == -EAGAIN) { - if (css_enqueue_subchannel_slow(irq)) { + if (css_enqueue_subchannel_slow(mchk_schid)) { css_clear_subchannel_slow_list(); need_rescan = 1; } @@ -404,7 +409,8 @@ css_generate_pgid(void) static int __init init_channel_subsystem (void) { - int ret, irq; + int ret; + struct subchannel_id schid; if (chsc_determine_css_characteristics() == 0) css_characteristics_avail = 1; @@ -420,13 +426,14 @@ init_channel_subsystem (void) ctl_set_bit(6, 28); - for (irq = 0; irq < __MAX_SUBCHANNELS; irq++) { + init_subchannel_id(&schid); + do { struct subchannel *sch; - if (cio_is_console(irq)) + if (cio_is_console(schid)) sch = cio_get_console_subchannel(); else { - sch = css_alloc_subchannel(irq); + sch = css_alloc_subchannel(schid); if (IS_ERR(sch)) ret = PTR_ERR(sch); else @@ -448,7 +455,7 @@ init_channel_subsystem (void) * console subchannel. */ css_register_subchannel(sch); - } + } while (schid.sch_no++ < __MAX_SUBCHANNEL); return 0; out_bus: @@ -482,7 +489,7 @@ struct bus_type css_bus_type = { subsys_initcall(init_channel_subsystem); int -css_enqueue_subchannel_slow(unsigned long schid) +css_enqueue_subchannel_slow(struct subchannel_id schid) { struct slow_subchannel *new_slow_sch; unsigned long flags; diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h index 2004a6c..f26e16d 100644 --- a/drivers/s390/cio/css.h +++ b/drivers/s390/cio/css.h @@ -6,6 +6,8 @@ #include <asm/cio.h> +#include "schid.h" + /* * path grouping stuff */ @@ -68,7 +70,7 @@ struct ccw_device_private { atomic_t onoff; unsigned long registered; __u16 devno; /* device number */ - __u16 irq; /* subchannel number */ + __u16 sch_no; /* subchannel number */ __u8 imask; /* lpm mask for SNID/SID/SPGID */ int iretry; /* retry counter SNID/SID/SPGID */ struct { @@ -121,12 +123,11 @@ struct css_driver { extern struct bus_type css_bus_type; extern struct css_driver io_subchannel_driver; -int css_probe_device(int irq); -extern struct subchannel * get_subchannel_by_schid(int irq); -extern unsigned int highest_subchannel; +extern int css_probe_device(struct subchannel_id); +extern struct subchannel * get_subchannel_by_schid(struct subchannel_id); extern int css_init_done; -#define __MAX_SUBCHANNELS 65536 +#define __MAX_SUBCHANNEL 65535 extern struct bus_type css_bus_type; extern struct device css_bus_device; @@ -144,7 +145,7 @@ void device_set_waiting(struct subchannel *); void device_kill_pending_timer(struct subchannel *); /* Helper functions to build lists for the slow path. */ -int css_enqueue_subchannel_slow(unsigned long schid); +extern int css_enqueue_subchannel_slow(struct subchannel_id schid); void css_walk_subchannel_slow_list(void (*fn)(unsigned long)); void css_clear_subchannel_slow_list(void); int css_slow_subchannels_exist(void); diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 0590cff..9ac07ae 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -622,7 +622,7 @@ ccw_device_do_unreg_rereg(void *data) other_sch = to_subchannel(other_cdev->dev.parent); if (get_device(&other_sch->dev)) { - stsch(other_sch->irq, &other_sch->schib); + stsch(other_sch->schid, &other_sch->schib); if (other_sch->schib.pmcw.dnv) { other_sch->schib.pmcw.intparm = 0; cio_modify(other_sch); @@ -772,7 +772,7 @@ io_subchannel_recog(struct ccw_device *cdev, struct subchannel *sch) /* Init private data. */ priv = cdev->private; priv->devno = sch->schib.pmcw.dev; - priv->irq = sch->irq; + priv->sch_no = sch->schid.sch_no; priv->state = DEV_STATE_NOT_OPER; INIT_LIST_HEAD(&priv->cmb_list); init_waitqueue_head(&priv->wait_q); @@ -951,7 +951,7 @@ io_subchannel_shutdown(struct device *dev) sch = to_subchannel(dev); cdev = dev->driver_data; - if (cio_is_console(sch->irq)) + if (cio_is_console(sch->schid)) return; if (!sch->schib.pmcw.ena) /* Nothing to do. */ @@ -1146,6 +1146,16 @@ ccw_driver_unregister (struct ccw_driver *cdriver) driver_unregister(&cdriver->driver); } +/* Helper func for qdio. */ +struct subchannel_id +ccw_device_get_subchannel_id(struct ccw_device *cdev) +{ + struct subchannel *sch; + + sch = to_subchannel(cdev->dev.parent); + return sch->schid; +} + MODULE_LICENSE("GPL"); EXPORT_SYMBOL(ccw_device_set_online); EXPORT_SYMBOL(ccw_device_set_offline); @@ -1155,3 +1165,4 @@ EXPORT_SYMBOL(get_ccwdev_by_busid); EXPORT_SYMBOL(ccw_bus_type); EXPORT_SYMBOL(ccw_device_work); EXPORT_SYMBOL(ccw_device_notify_work); +EXPORT_SYMBOL_GPL(ccw_device_get_subchannel_id); diff --git a/drivers/s390/cio/device.h b/drivers/s390/cio/device.h index a3aa056..11587eb 100644 --- a/drivers/s390/cio/device.h +++ b/drivers/s390/cio/device.h @@ -110,6 +110,7 @@ int ccw_device_stlck(struct ccw_device *); /* qdio needs this. */ void ccw_device_set_timeout(struct ccw_device *, int); +extern struct subchannel_id ccw_device_get_subchannel_id(struct ccw_device *); void retry_set_schib(struct ccw_device *cdev); #endif diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c index c1c89f4..9efeae7 100644 --- a/drivers/s390/cio/device_fsm.c +++ b/drivers/s390/cio/device_fsm.c @@ -133,7 +133,7 @@ ccw_device_cancel_halt_clear(struct ccw_device *cdev) int ret; sch = to_subchannel(cdev->dev.parent); - ret = stsch(sch->irq, &sch->schib); + ret = stsch(sch->schid, &sch->schib); if (ret || !sch->schib.pmcw.dnv) return -ENODEV; if (!sch->schib.pmcw.ena || sch->schib.scsw.actl == 0) @@ -231,7 +231,7 @@ ccw_device_recog_done(struct ccw_device *cdev, int state) * through ssch() and the path information is up to date. */ old_lpm = sch->lpm; - stsch(sch->irq, &sch->schib); + stsch(sch->schid, &sch->schib); sch->lpm = sch->schib.pmcw.pim & sch->schib.pmcw.pam & sch->schib.pmcw.pom & @@ -258,7 +258,7 @@ ccw_device_recog_done(struct ccw_device *cdev, int state) case DEV_STATE_NOT_OPER: CIO_DEBUG(KERN_WARNING, 2, "SenseID : unknown device %04x on subchannel %04x\n", - cdev->private->devno, sch->irq); + cdev->private->devno, sch->schid.sch_no); break; case DEV_STATE_OFFLINE: if (cdev->private->state == DEV_STATE_DISCONNECTED_SENSE_ID) { @@ -291,7 +291,7 @@ ccw_device_recog_done(struct ccw_device *cdev, int state) case DEV_STATE_BOXED: CIO_DEBUG(KERN_WARNING, 2, "SenseID : boxed device %04x on subchannel %04x\n", - cdev->private->devno, sch->irq); + cdev->private->devno, sch->schid.sch_no); break; } cdev->private->state = state; @@ -359,7 +359,7 @@ ccw_device_done(struct ccw_device *cdev, int state) if (state == DEV_STATE_BOXED) CIO_DEBUG(KERN_WARNING, 2, "Boxed device %04x on subchannel %04x\n", - cdev->private->devno, sch->irq); + cdev->private->devno, sch->schid.sch_no); if (cdev->private->flags.donotify) { cdev->private->flags.donotify = 0; @@ -592,7 +592,7 @@ ccw_device_offline(struct ccw_device *cdev) struct subchannel *sch; sch = to_subchannel(cdev->dev.parent); - if (stsch(sch->irq, &sch->schib) || !sch->schib.pmcw.dnv) + if (stsch(sch->schid, &sch->schib) || !sch->schib.pmcw.dnv) return -ENODEV; if (cdev->private->state != DEV_STATE_ONLINE) { if (sch->schib.scsw.actl != 0) @@ -711,7 +711,7 @@ ccw_device_online_verify(struct ccw_device *cdev, enum dev_event dev_event) * Since we might not just be coming from an interrupt from the * subchannel we have to update the schib. */ - stsch(sch->irq, &sch->schib); + stsch(sch->schid, &sch->schib); if (sch->schib.scsw.actl != 0 || (cdev->private->irb.scsw.stctl & SCSW_STCTL_STATUS_PEND)) { @@ -923,7 +923,7 @@ ccw_device_wait4io_irq(struct ccw_device *cdev, enum dev_event dev_event) /* Iff device is idle, reset timeout. */ sch = to_subchannel(cdev->dev.parent); - if (!stsch(sch->irq, &sch->schib)) + if (!stsch(sch->schid, &sch->schib)) if (sch->schib.scsw.actl == 0) ccw_device_set_timeout(cdev, 0); /* Call the handler. */ @@ -1035,7 +1035,7 @@ device_trigger_reprobe(struct subchannel *sch) return; /* Update some values. */ - if (stsch(sch->irq, &sch->schib)) + if (stsch(sch->schid, &sch->schib)) return; /* diff --git a/drivers/s390/cio/device_id.c b/drivers/s390/cio/device_id.c index 0e68fb5..207881e 100644 --- a/drivers/s390/cio/device_id.c +++ b/drivers/s390/cio/device_id.c @@ -258,7 +258,7 @@ ccw_device_check_sense_id(struct ccw_device *cdev) */ CIO_MSG_EVENT(2, "SenseID : device %04x on Subchannel %04x " "reports cmd reject\n", - cdev->private->devno, sch->irq); + cdev->private->devno, sch->schid.sch_no); return -EOPNOTSUPP; } if (irb->esw.esw0.erw.cons) { @@ -280,13 +280,13 @@ ccw_device_check_sense_id(struct ccw_device *cdev) CIO_MSG_EVENT(2, "SenseID : path %02X for device %04x on" " subchannel %04x is 'not operational'\n", sch->orb.lpm, cdev->private->devno, - sch->irq); + sch->schid.sch_no); return -EACCES; } /* Hmm, whatever happened, try again. */ CIO_MSG_EVENT(2, "SenseID : start_IO() for device %04x on " "subchannel %04x returns status %02X%02X\n", - cdev->private->devno, sch->irq, + cdev->private->devno, sch->schid.sch_no, irb->scsw.dstat, irb->scsw.cstat); return -EAGAIN; } diff --git a/drivers/s390/cio/device_ops.c b/drivers/s390/cio/device_ops.c index 85a3026..143b6c2 100644 --- a/drivers/s390/cio/device_ops.c +++ b/drivers/s390/cio/device_ops.c @@ -1,7 +1,7 @@ /* * drivers/s390/cio/device_ops.c * - * $Revision: 1.57 $ + * $Revision: 1.58 $ * * Copyright (C) 2002 IBM Deutschland Entwicklung GmbH, * IBM Corporation @@ -570,7 +570,7 @@ ccw_device_get_chp_desc(struct ccw_device *cdev, int chp_no) int _ccw_device_get_subchannel_number(struct ccw_device *cdev) { - return cdev->private->irq; + return cdev->private->sch_no; } int diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c index 757b270..f08e84c 100644 --- a/drivers/s390/cio/device_pgid.c +++ b/drivers/s390/cio/device_pgid.c @@ -59,7 +59,7 @@ __ccw_device_sense_pgid_start(struct ccw_device *cdev) CIO_MSG_EVENT(2, "SNID - Device %04x on Subchannel " "%04x, lpm %02X, became 'not " "operational'\n", - cdev->private->devno, sch->irq, + cdev->private->devno, sch->schid.sch_no, cdev->private->imask); } @@ -121,13 +121,14 @@ __ccw_device_check_sense_pgid(struct ccw_device *cdev) if (irb->scsw.cc == 3) { CIO_MSG_EVENT(2, "SNID - Device %04x on Subchannel " "%04x, lpm %02X, became 'not operational'\n", - cdev->private->devno, sch->irq, sch->orb.lpm); + cdev->private->devno, sch->schid.sch_no, + sch->orb.lpm); return -EACCES; } if (cdev->private->pgid.inf.ps.state2 == SNID_STATE2_RESVD_ELSE) { CIO_MSG_EVENT(2, "SNID - Device %04x on Subchannel %04x " "is reserved by someone else\n", - cdev->private->devno, sch->irq); + cdev->private->devno, sch->schid.sch_no); return -EUSERS; } return 0; @@ -237,7 +238,7 @@ __ccw_device_do_pgid(struct ccw_device *cdev, __u8 func) sch->vpm &= ~cdev->private->imask; CIO_MSG_EVENT(2, "SPID - Device %04x on Subchannel " "%04x, lpm %02X, became 'not operational'\n", - cdev->private->devno, sch->irq, cdev->private->imask); + cdev->private->devno, sch->schid.sch_no, cdev->private->imask); return ret; } @@ -271,7 +272,7 @@ __ccw_device_check_pgid(struct ccw_device *cdev) if (irb->scsw.cc == 3) { CIO_MSG_EVENT(2, "SPID - Device %04x on Subchannel " "%04x, lpm %02X, became 'not operational'\n", - cdev->private->devno, sch->irq, + cdev->private->devno, sch->schid.sch_no, cdev->private->imask); return -EACCES; } @@ -373,7 +374,7 @@ ccw_device_verify_start(struct ccw_device *cdev) * Update sch->lpm with current values to catch paths becoming * available again. */ - if (stsch(sch->irq, &sch->schib)) { + if (stsch(sch->schid, &sch->schib)) { ccw_device_verify_done(cdev, -ENODEV); return; } diff --git a/drivers/s390/cio/device_status.c b/drivers/s390/cio/device_status.c index 12a24d4..929f8fb 100644 --- a/drivers/s390/cio/device_status.c +++ b/drivers/s390/cio/device_status.c @@ -38,13 +38,13 @@ ccw_device_msg_control_check(struct ccw_device *cdev, struct irb *irb) "received" " ... device %04X on subchannel %04X, dev_stat " ": %02X sch_stat : %02X\n", - cdev->private->devno, cdev->private->irq, + cdev->private->devno, cdev->private->sch_no, irb->scsw.dstat, irb->scsw.cstat); if (irb->scsw.cc != 3) { char dbf_text[15]; - sprintf(dbf_text, "chk%x", cdev->private->irq); + sprintf(dbf_text, "chk%x", cdev->private->sch_no); CIO_TRACE_EVENT(0, dbf_text); CIO_HEX_EVENT(0, irb, sizeof (struct irb)); } @@ -59,10 +59,10 @@ ccw_device_path_notoper(struct ccw_device *cdev) struct subchannel *sch; sch = to_subchannel(cdev->dev.parent); - stsch (sch->irq, &sch->schib); + stsch (sch->schid, &sch->schib); CIO_MSG_EVENT(0, "%s(%04x) - path(s) %02x are " - "not operational \n", __FUNCTION__, sch->irq, + "not operational \n", __FUNCTION__, sch->schid.sch_no, sch->schib.pmcw.pnom); sch->lpm &= ~sch->schib.pmcw.pnom; diff --git a/drivers/s390/cio/ioasm.h b/drivers/s390/cio/ioasm.h index 45480a2..66c882e 100644 --- a/drivers/s390/cio/ioasm.h +++ b/drivers/s390/cio/ioasm.h @@ -1,12 +1,13 @@ #ifndef S390_CIO_IOASM_H #define S390_CIO_IOASM_H +#include "schid.h" + /* * TPI info structure */ struct tpi_info { - __u32 reserved1 : 16; /* reserved 0x00000001 */ - __u32 irq : 16; /* aka. subchannel number */ + struct subchannel_id schid; __u32 intparm; /* interruption parameter */ __u32 adapter_IO : 1; __u32 reserved2 : 1; @@ -21,7 +22,8 @@ struct tpi_info { * Some S390 specific IO instructions as inline */ -static inline int stsch(int irq, volatile struct schib *addr) +static inline int stsch(struct subchannel_id schid, + volatile struct schib *addr) { int ccode; @@ -31,12 +33,13 @@ static inline int stsch(int irq, volatile struct schib *addr) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000), "a" (addr) + : "d" (schid), "a" (addr), "m" (*addr) : "cc", "1" ); return ccode; } -static inline int msch(int irq, volatile struct schib *addr) +static inline int msch(struct subchannel_id schid, + volatile struct schib *addr) { int ccode; @@ -46,12 +49,13 @@ static inline int msch(int irq, volatile struct schib *addr) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L), "a" (addr) + : "d" (schid), "a" (addr), "m" (*addr) : "cc", "1" ); return ccode; } -static inline int msch_err(int irq, volatile struct schib *addr) +static inline int msch_err(struct subchannel_id schid, + volatile struct schib *addr) { int ccode; @@ -74,12 +78,13 @@ static inline int msch_err(int irq, volatile struct schib *addr) ".previous" #endif : "=&d" (ccode) - : "d" (irq | 0x10000L), "a" (addr), "K" (-EIO) + : "d" (schid), "a" (addr), "K" (-EIO), "m" (*addr) : "cc", "1" ); return ccode; } -static inline int tsch(int irq, volatile struct irb *addr) +static inline int tsch(struct subchannel_id schid, + volatile struct irb *addr) { int ccode; @@ -89,7 +94,7 @@ static inline int tsch(int irq, volatile struct irb *addr) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L), "a" (addr) + : "d" (schid), "a" (addr), "m" (*addr) : "cc", "1" ); return ccode; } @@ -103,12 +108,13 @@ static inline int tpi( volatile struct tpi_info *addr) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "a" (addr) + : "a" (addr), "m" (*addr) : "cc", "1" ); return ccode; } -static inline int ssch(int irq, volatile struct orb *addr) +static inline int ssch(struct subchannel_id schid, + volatile struct orb *addr) { int ccode; @@ -118,12 +124,12 @@ static inline int ssch(int irq, volatile struct orb *addr) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L), "a" (addr) + : "d" (schid), "a" (addr), "m" (*addr) : "cc", "1" ); return ccode; } -static inline int rsch(int irq) +static inline int rsch(struct subchannel_id schid) { int ccode; @@ -133,12 +139,12 @@ static inline int rsch(int irq) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L) + : "d" (schid) : "cc", "1" ); return ccode; } -static inline int csch(int irq) +static inline int csch(struct subchannel_id schid) { int ccode; @@ -148,12 +154,12 @@ static inline int csch(int irq) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L) + : "d" (schid) : "cc", "1" ); return ccode; } -static inline int hsch(int irq) +static inline int hsch(struct subchannel_id schid) { int ccode; @@ -163,12 +169,12 @@ static inline int hsch(int irq) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L) + : "d" (schid) : "cc", "1" ); return ccode; } -static inline int xsch(int irq) +static inline int xsch(struct subchannel_id schid) { int ccode; @@ -178,21 +184,22 @@ static inline int xsch(int irq) " ipm %0\n" " srl %0,28" : "=d" (ccode) - : "d" (irq | 0x10000L) + : "d" (schid) : "cc", "1" ); return ccode; } static inline int chsc(void *chsc_area) { + typedef struct { char _[4096]; } addr_type; int cc; __asm__ __volatile__ ( - ".insn rre,0xb25f0000,%1,0 \n\t" + ".insn rre,0xb25f0000,%2,0 \n\t" "ipm %0 \n\t" "srl %0,28 \n\t" - : "=d" (cc) - : "d" (chsc_area) + : "=d" (cc), "=m" (*(addr_type *) chsc_area) + : "d" (chsc_area), "m" (*(addr_type *) chsc_area) : "cc" ); return cc; diff --git a/drivers/s390/cio/qdio.c b/drivers/s390/cio/qdio.c index e8bdfcd..5c7001b 100644 --- a/drivers/s390/cio/qdio.c +++ b/drivers/s390/cio/qdio.c @@ -270,7 +270,7 @@ qdio_siga_sync(struct qdio_q *q, unsigned int gpr2, perf_stats.siga_syncs++; #endif /* QDIO_PERFORMANCE_STATS */ - cc = do_siga_sync(0x10000|q->irq, gpr2, gpr3); + cc = do_siga_sync(q->schid, gpr2, gpr3); if (cc) QDIO_DBF_HEX3(0,trace,&cc,sizeof(int*)); @@ -290,12 +290,16 @@ __do_siga_output(struct qdio_q *q, unsigned int *busy_bit) { struct qdio_irq *irq; unsigned int fc = 0; + unsigned long schid; irq = (struct qdio_irq *) q->irq_ptr; if (!irq->is_qebsm) - return do_siga_output(0x10000|q->irq, q->mask, busy_bit, fc); - fc |= 0x80; - return do_siga_output(irq->sch_token, q->mask, busy_bit, fc); + schid = *((u32 *)&q->schid); + else { + schid = irq->sch_token; + fc |= 0x80; + } + return do_siga_output(schid, q->mask, busy_bit, fc); } /* @@ -349,7 +353,7 @@ qdio_siga_input(struct qdio_q *q) perf_stats.siga_ins++; #endif /* QDIO_PERFORMANCE_STATS */ - cc = do_siga_input(0x10000|q->irq, q->mask); + cc = do_siga_input(q->schid, q->mask); if (cc) QDIO_DBF_HEX3(0,trace,&cc,sizeof(int*)); @@ -855,7 +859,7 @@ qdio_kick_outbound_q(struct qdio_q *q) /* went smooth this time, reset timestamp */ #ifdef CONFIG_QDIO_DEBUG QDIO_DBF_TEXT3(0,trace,"cc2reslv"); - sprintf(dbf_text,"%4x%2x%2x",q->irq,q->q_no, + sprintf(dbf_text,"%4x%2x%2x",q->schid.sch_no,q->q_no, atomic_read(&q->busy_siga_counter)); QDIO_DBF_TEXT3(0,trace,dbf_text); #endif /* CONFIG_QDIO_DEBUG */ @@ -878,7 +882,7 @@ qdio_kick_outbound_q(struct qdio_q *q) } QDIO_DBF_TEXT2(0,trace,"cc2REPRT"); #ifdef CONFIG_QDIO_DEBUG - sprintf(dbf_text,"%4x%2x%2x",q->irq,q->q_no, + sprintf(dbf_text,"%4x%2x%2x",q->schid.sch_no,q->q_no, atomic_read(&q->busy_siga_counter)); QDIO_DBF_TEXT3(0,trace,dbf_text); #endif /* CONFIG_QDIO_DEBUG */ @@ -1733,7 +1737,7 @@ qdio_fill_qs(struct qdio_irq *irq_ptr, struct ccw_device *cdev, void *ptr; int available; - sprintf(dbf_text,"qfqs%4x",cdev->private->irq); + sprintf(dbf_text,"qfqs%4x",cdev->private->sch_no); QDIO_DBF_TEXT0(0,setup,dbf_text); for (i=0;i<no_input_qs;i++) { q=irq_ptr->input_qs[i]; @@ -1753,7 +1757,7 @@ qdio_fill_qs(struct qdio_irq *irq_ptr, struct ccw_device *cdev, q->queue_type=q_format; q->int_parm=int_parm; - q->irq=irq_ptr->irq; + q->schid = irq_ptr->schid; q->irq_ptr = irq_ptr; q->cdev = cdev; q->mask=1<<(31-i); @@ -1826,7 +1830,7 @@ qdio_fill_qs(struct qdio_irq *irq_ptr, struct ccw_device *cdev, q->queue_type=q_format; q->int_parm=int_parm; q->is_input_q=0; - q->irq=irq_ptr->irq; + q->schid = irq_ptr->schid; q->cdev = cdev; q->irq_ptr = irq_ptr; q->mask=1<<(31-i); @@ -1933,7 +1937,7 @@ qdio_set_state(struct qdio_irq *irq_ptr, enum qdio_irq_states state) char dbf_text[15]; QDIO_DBF_TEXT5(0,trace,"newstate"); - sprintf(dbf_text,"%4x%4x",irq_ptr->irq,state); + sprintf(dbf_text,"%4x%4x",irq_ptr->schid.sch_no,state); QDIO_DBF_TEXT5(0,trace,dbf_text); #endif /* CONFIG_QDIO_DEBUG */ @@ -1946,12 +1950,12 @@ qdio_set_state(struct qdio_irq *irq_ptr, enum qdio_irq_states state) } static inline void -qdio_irq_check_sense(int irq, struct irb *irb) +qdio_irq_check_sense(struct subchannel_id schid, struct irb *irb) { char dbf_text[15]; if (irb->esw.esw0.erw.cons) { - sprintf(dbf_text,"sens%4x",irq); + sprintf(dbf_text,"sens%4x",schid.sch_no); QDIO_DBF_TEXT2(1,trace,dbf_text); QDIO_DBF_HEX0(0,sense,irb,QDIO_DBF_SENSE_LEN); @@ -2063,20 +2067,20 @@ qdio_timeout_handler(struct ccw_device *cdev) switch (irq_ptr->state) { case QDIO_IRQ_STATE_INACTIVE: QDIO_PRINT_ERR("establish queues on irq %04x: timed out\n", - irq_ptr->irq); + irq_ptr->schid.sch_no); QDIO_DBF_TEXT2(1,setup,"eq:timeo"); qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR); break; case QDIO_IRQ_STATE_CLEANUP: QDIO_PRINT_INFO("Did not get interrupt on cleanup, irq=0x%x.\n", - irq_ptr->irq); + irq_ptr->schid.sch_no); qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR); break; case QDIO_IRQ_STATE_ESTABLISHED: case QDIO_IRQ_STATE_ACTIVE: /* I/O has been terminated by common I/O layer. */ QDIO_PRINT_INFO("Queues on irq %04x killed by cio.\n", - irq_ptr->irq); + irq_ptr->schid.sch_no); QDIO_DBF_TEXT2(1, trace, "cio:term"); qdio_set_state(irq_ptr, QDIO_IRQ_STATE_STOPPED); if (get_device(&cdev->dev)) { @@ -2139,7 +2143,7 @@ qdio_handler(struct ccw_device *cdev, unsigned long intparm, struct irb *irb) } } - qdio_irq_check_sense(irq_ptr->irq, irb); + qdio_irq_check_sense(irq_ptr->schid, irb); #ifdef CONFIG_QDIO_DEBUG sprintf(dbf_text, "state:%d", irq_ptr->state); @@ -2195,7 +2199,7 @@ qdio_synchronize(struct ccw_device *cdev, unsigned int flags, return -ENODEV; #ifdef CONFIG_QDIO_DEBUG - *((int*)(&dbf_text[4])) = irq_ptr->irq; + *((int*)(&dbf_text[4])) = irq_ptr->schid.sch_no; QDIO_DBF_HEX4(0,trace,dbf_text,QDIO_DBF_TRACE_LEN); *((int*)(&dbf_text[0]))=flags; *((int*)(&dbf_text[4]))=queue_number; @@ -2207,13 +2211,13 @@ qdio_synchronize(struct ccw_device *cdev, unsigned int flags, if (!q) return -EINVAL; if (!(irq_ptr->is_qebsm)) - cc = do_siga_sync(0x10000|q->irq, 0, q->mask); + cc = do_siga_sync(q->schid, 0, q->mask); } else if (flags&QDIO_FLAG_SYNC_OUTPUT) { q=irq_ptr->output_qs[queue_number]; if (!q) return -EINVAL; if (!(irq_ptr->is_qebsm)) - cc = do_siga_sync(0x10000|q->irq, q->mask, 0); + cc = do_siga_sync(q->schid, q->mask, 0); } else return -EINVAL; @@ -2298,7 +2302,7 @@ qdio_get_ssqd_information(struct qdio_irq *irq_ptr) ssqd_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); if (!ssqd_area) { QDIO_PRINT_WARN("Could not get memory for chsc. Using all " \ - "SIGAs for sch x%x.\n", irq_ptr->irq); + "SIGAs for sch x%x.\n", irq_ptr->schid.sch_no); irq_ptr->qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY || CHSC_FLAG_SIGA_OUTPUT_NECESSARY || CHSC_FLAG_SIGA_SYNC_NECESSARY; /* all flags set */ @@ -2312,14 +2316,14 @@ qdio_get_ssqd_information(struct qdio_irq *irq_ptr) .length = 0x0010, .code = 0x0024, }; - ssqd_area->first_sch = irq_ptr->irq; - ssqd_area->last_sch = irq_ptr->irq; + ssqd_area->first_sch = irq_ptr->schid.sch_no; + ssqd_area->last_sch = irq_ptr->schid.sch_no; result = chsc(ssqd_area); if (result) { QDIO_PRINT_WARN("CHSC returned cc %i. Using all " \ "SIGAs for sch x%x.\n", - result, irq_ptr->irq); + result, irq_ptr->schid.sch_no); qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY || CHSC_FLAG_SIGA_OUTPUT_NECESSARY || CHSC_FLAG_SIGA_SYNC_NECESSARY; /* all flags set */ @@ -2330,7 +2334,7 @@ qdio_get_ssqd_information(struct qdio_irq *irq_ptr) if (ssqd_area->response.code != QDIO_CHSC_RESPONSE_CODE_OK) { QDIO_PRINT_WARN("response upon checking SIGA needs " \ "is 0x%x. Using all SIGAs for sch x%x.\n", - ssqd_area->response.code, irq_ptr->irq); + ssqd_area->response.code, irq_ptr->schid.sch_no); qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY || CHSC_FLAG_SIGA_OUTPUT_NECESSARY || CHSC_FLAG_SIGA_SYNC_NECESSARY; /* all flags set */ @@ -2339,9 +2343,9 @@ qdio_get_ssqd_information(struct qdio_irq *irq_ptr) } if (!(ssqd_area->flags & CHSC_FLAG_QDIO_CAPABILITY) || !(ssqd_area->flags & CHSC_FLAG_VALIDITY) || - (ssqd_area->sch != irq_ptr->irq)) { + (ssqd_area->sch != irq_ptr->schid.sch_no)) { QDIO_PRINT_WARN("huh? problems checking out sch x%x... " \ - "using all SIGAs.\n",irq_ptr->irq); + "using all SIGAs.\n",irq_ptr->schid.sch_no); qdioac = CHSC_FLAG_SIGA_INPUT_NECESSARY | CHSC_FLAG_SIGA_OUTPUT_NECESSARY | CHSC_FLAG_SIGA_SYNC_NECESSARY; /* worst case */ @@ -2427,7 +2431,7 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero) /* set to 0x10000000 to enable * time delay disablement facility */ u32 reserved5; - u32 subsystem_id; + struct subchannel_id schid; u32 reserved6[1004]; struct chsc_header response; u32 reserved7; @@ -2449,7 +2453,7 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero) scssc_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); if (!scssc_area) { QDIO_PRINT_WARN("No memory for setting indicators on " \ - "subchannel x%x.\n", irq_ptr->irq); + "subchannel x%x.\n", irq_ptr->schid.sch_no); return -ENOMEM; } scssc_area->request = (struct chsc_header) { @@ -2463,7 +2467,7 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero) scssc_area->ks = QDIO_STORAGE_KEY; scssc_area->kc = QDIO_STORAGE_KEY; scssc_area->isc = TIQDIO_THININT_ISC; - scssc_area->subsystem_id = (1<<16) + irq_ptr->irq; + scssc_area->schid = irq_ptr->schid; /* enables the time delay disablement facility. Don't care * whether it is really there (i.e. we haven't checked for * it) */ @@ -2473,12 +2477,10 @@ tiqdio_set_subchannel_ind(struct qdio_irq *irq_ptr, int reset_to_zero) QDIO_PRINT_WARN("Time delay disablement facility " \ "not available\n"); - - result = chsc(scssc_area); if (result) { QDIO_PRINT_WARN("could not set indicators on irq x%x, " \ - "cc=%i.\n",irq_ptr->irq,result); + "cc=%i.\n",irq_ptr->schid.sch_no,result); result = -EIO; goto out; } @@ -2534,7 +2536,7 @@ tiqdio_set_delay_target(struct qdio_irq *irq_ptr, unsigned long delay_target) scsscf_area = (void *)get_zeroed_page(GFP_KERNEL | GFP_DMA); if (!scsscf_area) { QDIO_PRINT_WARN("No memory for setting delay target on " \ - "subchannel x%x.\n", irq_ptr->irq); + "subchannel x%x.\n", irq_ptr->schid.sch_no); return -ENOMEM; } scsscf_area->request = (struct chsc_header) { @@ -2547,7 +2549,8 @@ tiqdio_set_delay_target(struct qdio_irq *irq_ptr, unsigned long delay_target) result=chsc(scsscf_area); if (result) { QDIO_PRINT_WARN("could not set delay target on irq x%x, " \ - "cc=%i. Continuing.\n",irq_ptr->irq,result); + "cc=%i. Continuing.\n",irq_ptr->schid.sch_no, + result); result = -EIO; goto out; } @@ -2581,7 +2584,7 @@ qdio_cleanup(struct ccw_device *cdev, int how) if (!irq_ptr) return -ENODEV; - sprintf(dbf_text,"qcln%4x",irq_ptr->irq); + sprintf(dbf_text,"qcln%4x",irq_ptr->schid.sch_no); QDIO_DBF_TEXT1(0,trace,dbf_text); QDIO_DBF_TEXT0(0,setup,dbf_text); @@ -2608,7 +2611,7 @@ qdio_shutdown(struct ccw_device *cdev, int how) down(&irq_ptr->setting_up_sema); - sprintf(dbf_text,"qsqs%4x",irq_ptr->irq); + sprintf(dbf_text,"qsqs%4x",irq_ptr->schid.sch_no); QDIO_DBF_TEXT1(0,trace,dbf_text); QDIO_DBF_TEXT0(0,setup,dbf_text); @@ -2714,7 +2717,7 @@ qdio_free(struct ccw_device *cdev) down(&irq_ptr->setting_up_sema); - sprintf(dbf_text,"qfqs%4x",irq_ptr->irq); + sprintf(dbf_text,"qfqs%4x",irq_ptr->schid.sch_no); QDIO_DBF_TEXT1(0,trace,dbf_text); QDIO_DBF_TEXT0(0,setup,dbf_text); @@ -2862,13 +2865,13 @@ qdio_establish_irq_check_for_errors(struct ccw_device *cdev, int cstat, irq_ptr = cdev->private->qdio_data; if (cstat || (dstat & ~(DEV_STAT_CHN_END|DEV_STAT_DEV_END))) { - sprintf(dbf_text,"ick1%4x",irq_ptr->irq); + sprintf(dbf_text,"ick1%4x",irq_ptr->schid.sch_no); QDIO_DBF_TEXT2(1,trace,dbf_text); QDIO_DBF_HEX2(0,trace,&dstat,sizeof(int)); QDIO_DBF_HEX2(0,trace,&cstat,sizeof(int)); QDIO_PRINT_ERR("received check condition on establish " \ "queues on irq 0x%x (cs=x%x, ds=x%x).\n", - irq_ptr->irq,cstat,dstat); + irq_ptr->schid.sch_no,cstat,dstat); qdio_set_state(irq_ptr,QDIO_IRQ_STATE_ERR); } @@ -2878,7 +2881,7 @@ qdio_establish_irq_check_for_errors(struct ccw_device *cdev, int cstat, QDIO_DBF_HEX2(0,setup,&cstat, sizeof(cstat)); QDIO_PRINT_ERR("establish queues on irq %04x: didn't get " "device end: dstat=%02x, cstat=%02x\n", - irq_ptr->irq, dstat, cstat); + irq_ptr->schid.sch_no, dstat, cstat); qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR); return 1; } @@ -2890,7 +2893,7 @@ qdio_establish_irq_check_for_errors(struct ccw_device *cdev, int cstat, QDIO_PRINT_ERR("establish queues on irq %04x: got " "the following devstat: dstat=%02x, " "cstat=%02x\n", - irq_ptr->irq, dstat, cstat); + irq_ptr->schid.sch_no, dstat, cstat); qdio_set_state(irq_ptr, QDIO_IRQ_STATE_ERR); return 1; } @@ -2905,7 +2908,7 @@ qdio_establish_handle_irq(struct ccw_device *cdev, int cstat, int dstat) irq_ptr = cdev->private->qdio_data; - sprintf(dbf_text,"qehi%4x",cdev->private->irq); + sprintf(dbf_text,"qehi%4x",cdev->private->sch_no); QDIO_DBF_TEXT0(0,setup,dbf_text); QDIO_DBF_TEXT0(0,trace,dbf_text); @@ -2924,7 +2927,7 @@ qdio_initialize(struct qdio_initialize *init_data) int rc; char dbf_text[15]; - sprintf(dbf_text,"qini%4x",init_data->cdev->private->irq); + sprintf(dbf_text,"qini%4x",init_data->cdev->private->sch_no); QDIO_DBF_TEXT0(0,setup,dbf_text); QDIO_DBF_TEXT0(0,trace,dbf_text); @@ -2945,7 +2948,7 @@ qdio_allocate(struct qdio_initialize *init_data) struct qdio_irq *irq_ptr; char dbf_text[15]; - sprintf(dbf_text,"qalc%4x",init_data->cdev->private->irq); + sprintf(dbf_text,"qalc%4x",init_data->cdev->private->sch_no); QDIO_DBF_TEXT0(0,setup,dbf_text); QDIO_DBF_TEXT0(0,trace,dbf_text); if ( (init_data->no_input_qs>QDIO_MAX_QUEUES_PER_IRQ) || @@ -3018,7 +3021,7 @@ int qdio_fill_irq(struct qdio_initialize *init_data) irq_ptr->int_parm=init_data->int_parm; - irq_ptr->irq = init_data->cdev->private->irq; + irq_ptr->schid = ccw_device_get_subchannel_id(init_data->cdev); irq_ptr->no_input_qs=init_data->no_input_qs; irq_ptr->no_output_qs=init_data->no_output_qs; @@ -3038,7 +3041,7 @@ int qdio_fill_irq(struct qdio_initialize *init_data) QDIO_DBF_HEX1(0,setup,&irq_ptr->dev_st_chg_ind,sizeof(void*)); if (!irq_ptr->dev_st_chg_ind) { QDIO_PRINT_WARN("no indicator location available " \ - "for irq 0x%x\n",irq_ptr->irq); + "for irq 0x%x\n",irq_ptr->schid.sch_no); qdio_release_irq_memory(irq_ptr); return -ENOBUFS; } @@ -3169,7 +3172,7 @@ qdio_establish(struct qdio_initialize *init_data) tiqdio_set_delay_target(irq_ptr,TIQDIO_DELAY_TARGET); } - sprintf(dbf_text,"qest%4x",cdev->private->irq); + sprintf(dbf_text,"qest%4x",cdev->private->sch_no); QDIO_DBF_TEXT0(0,setup,dbf_text); QDIO_DBF_TEXT0(0,trace,dbf_text); @@ -3197,7 +3200,7 @@ qdio_establish(struct qdio_initialize *init_data) } QDIO_PRINT_WARN("establish queues on irq %04x: do_IO " \ "returned %i, next try returned %i\n", - irq_ptr->irq,result,result2); + irq_ptr->schid.sch_no,result,result2); result=result2; if (result) ccw_device_set_timeout(cdev, 0); @@ -3270,7 +3273,7 @@ qdio_activate(struct ccw_device *cdev, int flags) goto out; } - sprintf(dbf_text,"qact%4x", irq_ptr->irq); + sprintf(dbf_text,"qact%4x", irq_ptr->schid.sch_no); QDIO_DBF_TEXT2(0,setup,dbf_text); QDIO_DBF_TEXT2(0,trace,dbf_text); @@ -3297,7 +3300,7 @@ qdio_activate(struct ccw_device *cdev, int flags) } QDIO_PRINT_WARN("activate queues on irq %04x: do_IO " \ "returned %i, next try returned %i\n", - irq_ptr->irq,result,result2); + irq_ptr->schid.sch_no,result,result2); result=result2; } @@ -3509,7 +3512,7 @@ do_QDIO(struct ccw_device *cdev,unsigned int callflags, #ifdef CONFIG_QDIO_DEBUG char dbf_text[20]; - sprintf(dbf_text,"doQD%04x",cdev->private->irq); + sprintf(dbf_text,"doQD%04x",cdev->private->sch_no); QDIO_DBF_TEXT3(0,trace,dbf_text); #endif /* CONFIG_QDIO_DEBUG */ diff --git a/drivers/s390/cio/qdio.h b/drivers/s390/cio/qdio.h index b5d303e..43b840a 100644 --- a/drivers/s390/cio/qdio.h +++ b/drivers/s390/cio/qdio.h @@ -3,7 +3,9 @@ #include <asm/page.h> -#define VERSION_CIO_QDIO_H "$Revision: 1.37 $" +#include "schid.h" + +#define VERSION_CIO_QDIO_H "$Revision: 1.40 $" #ifdef CONFIG_QDIO_DEBUG #define QDIO_VERBOSE_LEVEL 9 @@ -317,7 +319,7 @@ do_eqbs(unsigned long sch, unsigned char *state, int queue, static inline int -do_siga_sync(unsigned int irq, unsigned int mask1, unsigned int mask2) +do_siga_sync(struct subchannel_id schid, unsigned int mask1, unsigned int mask2) { int cc; @@ -331,7 +333,7 @@ do_siga_sync(unsigned int irq, unsigned int mask1, unsigned int mask2) "ipm %0 \n\t" "srl %0,28 \n\t" : "=d" (cc) - : "d" (irq), "d" (mask1), "d" (mask2) + : "d" (schid), "d" (mask1), "d" (mask2) : "cc", "0", "1", "2", "3" ); #else /* CONFIG_ARCH_S390X */ @@ -344,7 +346,7 @@ do_siga_sync(unsigned int irq, unsigned int mask1, unsigned int mask2) "ipm %0 \n\t" "srl %0,28 \n\t" : "=d" (cc) - : "d" (irq), "d" (mask1), "d" (mask2) + : "d" (schid), "d" (mask1), "d" (mask2) : "cc", "0", "1", "2", "3" ); #endif /* CONFIG_ARCH_S390X */ @@ -352,7 +354,7 @@ do_siga_sync(unsigned int irq, unsigned int mask1, unsigned int mask2) } static inline int -do_siga_input(unsigned int irq, unsigned int mask) +do_siga_input(struct subchannel_id schid, unsigned int mask) { int cc; @@ -365,7 +367,7 @@ do_siga_input(unsigned int irq, unsigned int mask) "ipm %0 \n\t" "srl %0,28 \n\t" : "=d" (cc) - : "d" (irq), "d" (mask) + : "d" (schid), "d" (mask) : "cc", "0", "1", "2", "memory" ); #else /* CONFIG_ARCH_S390X */ @@ -377,7 +379,7 @@ do_siga_input(unsigned int irq, unsigned int mask) "ipm %0 \n\t" "srl %0,28 \n\t" : "=d" (cc) - : "d" (irq), "d" (mask) + : "d" (schid), "d" (mask) : "cc", "0", "1", "2", "memory" ); #endif /* CONFIG_ARCH_S390X */ @@ -386,7 +388,7 @@ do_siga_input(unsigned int irq, unsigned int mask) } static inline int -do_siga_output(unsigned long irq, unsigned long mask, __u32 *bb, +do_siga_output(unsigned long schid, unsigned long mask, __u32 *bb, unsigned int fc) { int cc; @@ -418,7 +420,7 @@ do_siga_output(unsigned long irq, unsigned long mask, __u32 *bb, ".long 0b,2b \n\t" ".previous \n\t" : "=d" (cc), "=d" (busy_bit) - : "d" (irq), "d" (mask), + : "d" (schid), "d" (mask), "i" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION) : "cc", "0", "1", "2", "memory" ); @@ -443,7 +445,7 @@ do_siga_output(unsigned long irq, unsigned long mask, __u32 *bb, ".quad 0b,1b \n\t" ".previous \n\t" : "=d" (cc), "=d" (busy_bit) - : "d" (irq), "d" (mask), + : "d" (schid), "d" (mask), "i" (QDIO_SIGA_ERROR_ACCESS_EXCEPTION), "d" (fc) : "cc", "0", "1", "2", "memory" ); @@ -554,7 +556,7 @@ struct qdio_q { __u32 * dev_st_chg_ind; int is_input_q; - int irq; + struct subchannel_id schid; struct ccw_device *cdev; unsigned int is_iqdio_q; @@ -649,7 +651,7 @@ struct qdio_irq { __u32 * volatile dev_st_chg_ind; unsigned long int_parm; - int irq; + struct subchannel_id schid; unsigned int is_iqdio_irq; unsigned int is_thinint_irq; diff --git a/drivers/s390/cio/schid.h b/drivers/s390/cio/schid.h new file mode 100644 index 0000000..220d978 --- /dev/null +++ b/drivers/s390/cio/schid.h @@ -0,0 +1,25 @@ +#ifndef S390_SCHID_H +#define S390_SCHID_H + +struct subchannel_id { + __u32 reserved:15; + __u32 one:1; + __u32 sch_no:16; +} __attribute__ ((packed,aligned(4))); + + +/* Helper function for sane state of pre-allocated subchannel_id. */ +static inline void +init_subchannel_id(struct subchannel_id *schid) +{ + memset(schid, 0, sizeof(struct subchannel_id)); + schid->one = 1; +} + +static inline int +schid_equal(struct subchannel_id *schid1, struct subchannel_id *schid2) +{ + return !memcmp(schid1, schid2, sizeof(struct subchannel_id)); +} + +#endif /* S390_SCHID_H */ |