From 8b0a8165cdad0f4133837d753649ef4682e42c3b Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 7 Aug 2024 15:11:40 +0200 Subject: Merging upstream version 6.9.7. Signed-off-by: Daniel Baumann --- drivers/s390/char/con3215.c | 4 ++-- drivers/s390/char/fs3270.c | 14 +++++++------- drivers/s390/char/raw3270.c | 44 ++++++++++++++++++++++++------------------ drivers/s390/char/raw3270.h | 2 +- drivers/s390/char/sclp_cmd.c | 44 +++++++++++++++++++++++++++++++++--------- drivers/s390/char/tape.h | 12 ++++++++---- drivers/s390/char/tape_class.c | 17 ++++++++-------- drivers/s390/char/vmlogrdr.c | 18 ++++++++--------- drivers/s390/char/vmur.c | 22 ++++++++++----------- drivers/s390/char/zcore.c | 1 - 10 files changed, 105 insertions(+), 73 deletions(-) (limited to 'drivers/s390/char') diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c index 0b0324fe4a..dcb3c32f02 100644 --- a/drivers/s390/char/con3215.c +++ b/drivers/s390/char/con3215.c @@ -159,7 +159,7 @@ static void raw3215_mk_read_req(struct raw3215_info *raw) ccw->cmd_code = 0x0A; /* read inquiry */ ccw->flags = 0x20; /* ignore incorrect length */ ccw->count = 160; - ccw->cda = (__u32)__pa(raw->inbuf); + ccw->cda = virt_to_dma32(raw->inbuf); } /* @@ -218,7 +218,7 @@ static void raw3215_mk_write_req(struct raw3215_info *raw) ccw[-1].flags |= 0x40; /* use command chaining */ ccw->cmd_code = 0x01; /* write, auto carrier return */ ccw->flags = 0x20; /* ignore incorrect length ind. */ - ccw->cda = (__u32)__pa(raw->buffer + ix); + ccw->cda = virt_to_dma32(raw->buffer + ix); count = len; if (ix + count > RAW3215_BUFFER_SIZE) count = RAW3215_BUFFER_SIZE - ix; diff --git a/drivers/s390/char/fs3270.c b/drivers/s390/char/fs3270.c index 4f26b0a556..4d824f86bb 100644 --- a/drivers/s390/char/fs3270.c +++ b/drivers/s390/char/fs3270.c @@ -126,7 +126,7 @@ static int fs3270_activate(struct raw3270_view *view) raw3270_request_set_cmd(fp->init, TC_EWRITEA); raw3270_request_set_idal(fp->init, fp->rdbuf); fp->init->rescnt = 0; - cp = fp->rdbuf->data[0]; + cp = dma64_to_virt(fp->rdbuf->data[0]); if (fp->rdbuf_size == 0) { /* No saved buffer. Just clear the screen. */ fp->init->ccw.count = 1; @@ -164,7 +164,7 @@ static void fs3270_save_callback(struct raw3270_request *rq, void *data) fp = (struct fs3270 *)rq->view; /* Correct idal buffer element 0 address. */ - fp->rdbuf->data[0] -= 5; + fp->rdbuf->data[0] = dma64_add(fp->rdbuf->data[0], -5); fp->rdbuf->size += 5; /* @@ -202,7 +202,7 @@ static void fs3270_deactivate(struct raw3270_view *view) * room for the TW_KR/TO_SBA/
/
/TO_IC sequence * in the activation command. */ - fp->rdbuf->data[0] += 5; + fp->rdbuf->data[0] = dma64_add(fp->rdbuf->data[0], 5); fp->rdbuf->size -= 5; raw3270_request_set_idal(fp->init, fp->rdbuf); fp->init->rescnt = 0; @@ -521,13 +521,13 @@ static const struct file_operations fs3270_fops = { static void fs3270_create_cb(int minor) { __register_chrdev(IBM_FS3270_MAJOR, minor, 1, "tub", &fs3270_fops); - device_create(class3270, NULL, MKDEV(IBM_FS3270_MAJOR, minor), + device_create(&class3270, NULL, MKDEV(IBM_FS3270_MAJOR, minor), NULL, "3270/tub%d", minor); } static void fs3270_destroy_cb(int minor) { - device_destroy(class3270, MKDEV(IBM_FS3270_MAJOR, minor)); + device_destroy(&class3270, MKDEV(IBM_FS3270_MAJOR, minor)); __unregister_chrdev(IBM_FS3270_MAJOR, minor, 1, "tub"); } @@ -546,7 +546,7 @@ static int __init fs3270_init(void) rc = __register_chrdev(IBM_FS3270_MAJOR, 0, 1, "fs3270", &fs3270_fops); if (rc) return rc; - device_create(class3270, NULL, MKDEV(IBM_FS3270_MAJOR, 0), + device_create(&class3270, NULL, MKDEV(IBM_FS3270_MAJOR, 0), NULL, "3270/tub"); raw3270_register_notifier(&fs3270_notifier); return 0; @@ -555,7 +555,7 @@ static int __init fs3270_init(void) static void __exit fs3270_exit(void) { raw3270_unregister_notifier(&fs3270_notifier); - device_destroy(class3270, MKDEV(IBM_FS3270_MAJOR, 0)); + device_destroy(&class3270, MKDEV(IBM_FS3270_MAJOR, 0)); __unregister_chrdev(IBM_FS3270_MAJOR, 0, 1, "fs3270"); } diff --git a/drivers/s390/char/raw3270.c b/drivers/s390/char/raw3270.c index 7115c0f856..c57694be9b 100644 --- a/drivers/s390/char/raw3270.c +++ b/drivers/s390/char/raw3270.c @@ -29,7 +29,9 @@ #include #include -struct class *class3270; +const struct class class3270 = { + .name = "3270", +}; EXPORT_SYMBOL(class3270); /* The main 3270 data structure. */ @@ -160,7 +162,8 @@ struct raw3270_request *raw3270_request_alloc(size_t size) /* * Setup ccw. */ - rq->ccw.cda = __pa(rq->buffer); + if (rq->buffer) + rq->ccw.cda = virt_to_dma32(rq->buffer); rq->ccw.flags = CCW_FLAG_SLI; return rq; @@ -186,7 +189,8 @@ int raw3270_request_reset(struct raw3270_request *rq) return -EBUSY; rq->ccw.cmd_code = 0; rq->ccw.count = 0; - rq->ccw.cda = __pa(rq->buffer); + if (rq->buffer) + rq->ccw.cda = virt_to_dma32(rq->buffer); rq->ccw.flags = CCW_FLAG_SLI; rq->rescnt = 0; rq->rc = 0; @@ -221,7 +225,7 @@ EXPORT_SYMBOL(raw3270_request_add_data); */ void raw3270_request_set_data(struct raw3270_request *rq, void *data, size_t size) { - rq->ccw.cda = __pa(data); + rq->ccw.cda = virt_to_dma32(data); rq->ccw.count = size; } EXPORT_SYMBOL(raw3270_request_set_data); @@ -231,7 +235,7 @@ EXPORT_SYMBOL(raw3270_request_set_data); */ void raw3270_request_set_idal(struct raw3270_request *rq, struct idal_buffer *ib) { - rq->ccw.cda = __pa(ib->data); + rq->ccw.cda = virt_to_dma32(ib->data); rq->ccw.count = ib->size; rq->ccw.flags |= CCW_FLAG_IDA; } @@ -577,7 +581,7 @@ static void raw3270_read_modified(struct raw3270 *rp) rp->init_readmod.ccw.cmd_code = TC_READMOD; rp->init_readmod.ccw.flags = CCW_FLAG_SLI; rp->init_readmod.ccw.count = sizeof(rp->init_data); - rp->init_readmod.ccw.cda = (__u32)__pa(rp->init_data); + rp->init_readmod.ccw.cda = virt_to_dma32(rp->init_data); rp->init_readmod.callback = raw3270_read_modified_cb; rp->init_readmod.callback_data = rp->init_data; rp->state = RAW3270_STATE_READMOD; @@ -597,7 +601,7 @@ static void raw3270_writesf_readpart(struct raw3270 *rp) rp->init_readpart.ccw.cmd_code = TC_WRITESF; rp->init_readpart.ccw.flags = CCW_FLAG_SLI; rp->init_readpart.ccw.count = sizeof(wbuf); - rp->init_readpart.ccw.cda = (__u32)__pa(&rp->init_data); + rp->init_readpart.ccw.cda = virt_to_dma32(&rp->init_data); rp->state = RAW3270_STATE_W4ATTN; raw3270_start_irq(&rp->init_view, &rp->init_readpart); } @@ -635,7 +639,7 @@ static int __raw3270_reset_device(struct raw3270 *rp) rp->init_reset.ccw.cmd_code = TC_EWRITEA; rp->init_reset.ccw.flags = CCW_FLAG_SLI; rp->init_reset.ccw.count = 1; - rp->init_reset.ccw.cda = (__u32)__pa(rp->init_data); + rp->init_reset.ccw.cda = virt_to_dma32(rp->init_data); rp->init_reset.callback = raw3270_reset_device_cb; rc = __raw3270_start(rp, &rp->init_view, &rp->init_reset); if (rc == 0 && rp->state == RAW3270_STATE_INIT) @@ -1316,23 +1320,25 @@ static int raw3270_init(void) return 0; raw3270_registered = 1; rc = ccw_driver_register(&raw3270_ccw_driver); - if (rc == 0) { - /* Create attributes for early (= console) device. */ - mutex_lock(&raw3270_mutex); - class3270 = class_create("3270"); - list_for_each_entry(rp, &raw3270_devices, list) { - get_device(&rp->cdev->dev); - raw3270_create_attributes(rp); - } - mutex_unlock(&raw3270_mutex); + if (rc) + return rc; + rc = class_register(&class3270); + if (rc) + return rc; + /* Create attributes for early (= console) device. */ + mutex_lock(&raw3270_mutex); + list_for_each_entry(rp, &raw3270_devices, list) { + get_device(&rp->cdev->dev); + raw3270_create_attributes(rp); } - return rc; + mutex_unlock(&raw3270_mutex); + return 0; } static void raw3270_exit(void) { ccw_driver_unregister(&raw3270_ccw_driver); - class_destroy(class3270); + class_unregister(&class3270); } MODULE_LICENSE("GPL"); diff --git a/drivers/s390/char/raw3270.h b/drivers/s390/char/raw3270.h index b1beecc7a0..5040c7e0e0 100644 --- a/drivers/s390/char/raw3270.h +++ b/drivers/s390/char/raw3270.h @@ -14,7 +14,7 @@ struct raw3270; struct raw3270_view; -extern struct class *class3270; +extern const struct class class3270; /* 3270 CCW request */ struct raw3270_request { diff --git a/drivers/s390/char/sclp_cmd.c b/drivers/s390/char/sclp_cmd.c index 11c428f4c7..7815e9bea6 100644 --- a/drivers/s390/char/sclp_cmd.c +++ b/drivers/s390/char/sclp_cmd.c @@ -18,6 +18,7 @@ #include #include #include +#include #include #include #include @@ -26,6 +27,7 @@ #include #include #include +#include #include "sclp.h" @@ -340,16 +342,38 @@ static int sclp_mem_notifier(struct notifier_block *nb, if (contains_standby_increment(start, start + size)) rc = -EPERM; break; - case MEM_ONLINE: - case MEM_CANCEL_OFFLINE: - break; - case MEM_GOING_ONLINE: + case MEM_PREPARE_ONLINE: + /* + * Access the altmap_start_pfn and altmap_nr_pages fields + * within the struct memory_notify specifically when dealing + * with only MEM_PREPARE_ONLINE/MEM_FINISH_OFFLINE notifiers. + * + * When altmap is in use, take the specified memory range + * online, which includes the altmap. + */ + if (arg->altmap_nr_pages) { + start = PFN_PHYS(arg->altmap_start_pfn); + size += PFN_PHYS(arg->altmap_nr_pages); + } rc = sclp_mem_change_state(start, size, 1); + if (rc || !arg->altmap_nr_pages) + break; + /* + * Set CMMA state to nodat here, since the struct page memory + * at the beginning of the memory block will not go through the + * buddy allocator later. + */ + __arch_set_page_nodat((void *)__va(start), arg->altmap_nr_pages); break; - case MEM_CANCEL_ONLINE: - sclp_mem_change_state(start, size, 0); - break; - case MEM_OFFLINE: + case MEM_FINISH_OFFLINE: + /* + * When altmap is in use, take the specified memory range + * offline, which includes the altmap. + */ + if (arg->altmap_nr_pages) { + start = PFN_PHYS(arg->altmap_start_pfn); + size += PFN_PHYS(arg->altmap_nr_pages); + } sclp_mem_change_state(start, size, 0); break; default: @@ -400,7 +424,9 @@ static void __init add_memory_merged(u16 rn) if (!size) goto skip_add; for (addr = start; addr < start + size; addr += block_size) - add_memory(0, addr, block_size, MHP_NONE); + add_memory(0, addr, block_size, + MACHINE_HAS_EDAT1 ? + MHP_MEMMAP_ON_MEMORY | MHP_OFFLINE_INACCESSIBLE : MHP_NONE); skip_add: first_rn = rn; num = 1; diff --git a/drivers/s390/char/tape.h b/drivers/s390/char/tape.h index 4e5d5efa97..0aba30efb4 100644 --- a/drivers/s390/char/tape.h +++ b/drivers/s390/char/tape.h @@ -305,7 +305,9 @@ tape_ccw_cc(struct ccw1 *ccw, __u8 cmd_code, __u16 memsize, void *cda) ccw->cmd_code = cmd_code; ccw->flags = CCW_FLAG_CC; ccw->count = memsize; - ccw->cda = (__u32)(addr_t) cda; + ccw->cda = 0; + if (cda) + ccw->cda = virt_to_dma32(cda); return ccw + 1; } @@ -315,7 +317,9 @@ tape_ccw_end(struct ccw1 *ccw, __u8 cmd_code, __u16 memsize, void *cda) ccw->cmd_code = cmd_code; ccw->flags = 0; ccw->count = memsize; - ccw->cda = (__u32)(addr_t) cda; + ccw->cda = 0; + if (cda) + ccw->cda = virt_to_dma32(cda); return ccw + 1; } @@ -325,7 +329,7 @@ tape_ccw_cmd(struct ccw1 *ccw, __u8 cmd_code) ccw->cmd_code = cmd_code; ccw->flags = 0; ccw->count = 0; - ccw->cda = (__u32)(addr_t) &ccw->cmd_code; + ccw->cda = virt_to_dma32(&ccw->cmd_code); return ccw + 1; } @@ -336,7 +340,7 @@ tape_ccw_repeat(struct ccw1 *ccw, __u8 cmd_code, int count) ccw->cmd_code = cmd_code; ccw->flags = CCW_FLAG_CC; ccw->count = 0; - ccw->cda = (__u32)(addr_t) &ccw->cmd_code; + ccw->cda = virt_to_dma32(&ccw->cmd_code); ccw++; } return ccw; diff --git a/drivers/s390/char/tape_class.c b/drivers/s390/char/tape_class.c index 277a0f903d..eae362bbfb 100644 --- a/drivers/s390/char/tape_class.c +++ b/drivers/s390/char/tape_class.c @@ -22,7 +22,9 @@ MODULE_DESCRIPTION( ); MODULE_LICENSE("GPL"); -static struct class *tape_class; +static const struct class tape_class = { + .name = "tape390", +}; /* * Register a tape device and return a pointer to the cdev structure. @@ -74,7 +76,7 @@ struct tape_class_device *register_tape_dev( if (rc) goto fail_with_cdev; - tcd->class_device = device_create(tape_class, device, + tcd->class_device = device_create(&tape_class, device, tcd->char_device->dev, NULL, "%s", tcd->device_name); rc = PTR_ERR_OR_ZERO(tcd->class_device); @@ -91,7 +93,7 @@ struct tape_class_device *register_tape_dev( return tcd; fail_with_class_device: - device_destroy(tape_class, tcd->char_device->dev); + device_destroy(&tape_class, tcd->char_device->dev); fail_with_cdev: cdev_del(tcd->char_device); @@ -107,7 +109,7 @@ void unregister_tape_dev(struct device *device, struct tape_class_device *tcd) { if (tcd != NULL && !IS_ERR(tcd)) { sysfs_remove_link(&device->kobj, tcd->mode_name); - device_destroy(tape_class, tcd->char_device->dev); + device_destroy(&tape_class, tcd->char_device->dev); cdev_del(tcd->char_device); kfree(tcd); } @@ -117,15 +119,12 @@ EXPORT_SYMBOL(unregister_tape_dev); static int __init tape_init(void) { - tape_class = class_create("tape390"); - - return 0; + return class_register(&tape_class); } static void __exit tape_exit(void) { - class_destroy(tape_class); - tape_class = NULL; + class_unregister(&tape_class); } postcore_initcall(tape_init); diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c index 6946ba9a9d..d7e408c8d0 100644 --- a/drivers/s390/char/vmlogrdr.c +++ b/drivers/s390/char/vmlogrdr.c @@ -679,7 +679,9 @@ static const struct attribute_group *vmlogrdr_attr_groups[] = { NULL, }; -static struct class *vmlogrdr_class; +static const struct class vmlogrdr_class = { + .name = "vmlogrdr_class", +}; static struct device_driver vmlogrdr_driver = { .name = "vmlogrdr", .bus = &iucv_bus, @@ -699,12 +701,9 @@ static int vmlogrdr_register_driver(void) if (ret) goto out_iucv; - vmlogrdr_class = class_create("vmlogrdr"); - if (IS_ERR(vmlogrdr_class)) { - ret = PTR_ERR(vmlogrdr_class); - vmlogrdr_class = NULL; + ret = class_register(&vmlogrdr_class); + if (ret) goto out_driver; - } return 0; out_driver: @@ -718,8 +717,7 @@ out: static void vmlogrdr_unregister_driver(void) { - class_destroy(vmlogrdr_class); - vmlogrdr_class = NULL; + class_unregister(&vmlogrdr_class); driver_unregister(&vmlogrdr_driver); iucv_unregister(&vmlogrdr_iucv_handler, 1); } @@ -754,7 +752,7 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv) return ret; } - priv->class_device = device_create(vmlogrdr_class, dev, + priv->class_device = device_create(&vmlogrdr_class, dev, MKDEV(vmlogrdr_major, priv->minor_num), priv, "%s", dev_name(dev)); @@ -771,7 +769,7 @@ static int vmlogrdr_register_device(struct vmlogrdr_priv_t *priv) static int vmlogrdr_unregister_device(struct vmlogrdr_priv_t *priv) { - device_destroy(vmlogrdr_class, MKDEV(vmlogrdr_major, priv->minor_num)); + device_destroy(&vmlogrdr_class, MKDEV(vmlogrdr_major, priv->minor_num)); if (priv->device != NULL) { device_unregister(priv->device); priv->device=NULL; diff --git a/drivers/s390/char/vmur.c b/drivers/s390/char/vmur.c index 82efdd20ad..fe94dec427 100644 --- a/drivers/s390/char/vmur.c +++ b/drivers/s390/char/vmur.c @@ -48,7 +48,9 @@ MODULE_DESCRIPTION("s390 z/VM virtual unit record device driver"); MODULE_LICENSE("GPL"); static dev_t ur_first_dev_maj_min; -static struct class *vmur_class; +static const struct class vmur_class = { + .name = "vmur", +}; static struct debug_info *vmur_dbf; /* We put the device's record length (for writes) in the driver_info field */ @@ -195,7 +197,7 @@ static void free_chan_prog(struct ccw1 *cpa) struct ccw1 *ptr = cpa; while (ptr->cda) { - kfree((void *)(addr_t) ptr->cda); + kfree(dma32_to_virt(ptr->cda)); ptr++; } kfree(cpa); @@ -237,7 +239,7 @@ static struct ccw1 *alloc_chan_prog(const char __user *ubuf, int rec_count, free_chan_prog(cpa); return ERR_PTR(-ENOMEM); } - cpa[i].cda = (u32)(addr_t) kbuf; + cpa[i].cda = virt_to_dma32(kbuf); if (copy_from_user(kbuf, ubuf, reclen)) { free_chan_prog(cpa); return ERR_PTR(-EFAULT); @@ -912,7 +914,7 @@ static int ur_set_online(struct ccw_device *cdev) goto fail_free_cdev; } - urd->device = device_create(vmur_class, &cdev->dev, + urd->device = device_create(&vmur_class, &cdev->dev, urd->char_device->dev, NULL, "%s", node_id); if (IS_ERR(urd->device)) { rc = PTR_ERR(urd->device); @@ -958,7 +960,7 @@ static int ur_set_offline_force(struct ccw_device *cdev, int force) /* Work not run yet - need to release reference here */ urdev_put(urd); } - device_destroy(vmur_class, urd->char_device->dev); + device_destroy(&vmur_class, urd->char_device->dev); cdev_del(urd->char_device); urd->char_device = NULL; rc = 0; @@ -1022,11 +1024,9 @@ static int __init ur_init(void) debug_set_level(vmur_dbf, 6); - vmur_class = class_create("vmur"); - if (IS_ERR(vmur_class)) { - rc = PTR_ERR(vmur_class); + rc = class_register(&vmur_class); + if (rc) goto fail_free_dbf; - } rc = ccw_driver_register(&ur_driver); if (rc) @@ -1046,7 +1046,7 @@ static int __init ur_init(void) fail_unregister_driver: ccw_driver_unregister(&ur_driver); fail_class_destroy: - class_destroy(vmur_class); + class_unregister(&vmur_class); fail_free_dbf: debug_unregister(vmur_dbf); return rc; @@ -1056,7 +1056,7 @@ static void __exit ur_exit(void) { unregister_chrdev_region(ur_first_dev_maj_min, NUM_MINORS); ccw_driver_unregister(&ur_driver); - class_destroy(vmur_class); + class_unregister(&vmur_class); debug_unregister(vmur_dbf); pr_info("%s unloaded.\n", ur_banner); } diff --git a/drivers/s390/char/zcore.c b/drivers/s390/char/zcore.c index bc3be0330f..0969fa01df 100644 --- a/drivers/s390/char/zcore.c +++ b/drivers/s390/char/zcore.c @@ -29,7 +29,6 @@ #include #include #include -#include #include #include "sclp.h" -- cgit v1.2.3