diff options
| -rw-r--r-- | drivers/s390/net/ism.h | 1 | ||||
| -rw-r--r-- | drivers/s390/net/ism_drv.c | 22 | ||||
| -rw-r--r-- | include/linux/ism.h | 23 |
3 files changed, 40 insertions, 6 deletions
diff --git a/drivers/s390/net/ism.h b/drivers/s390/net/ism.h index 38fe90c2597d..90af51370183 100644 --- a/drivers/s390/net/ism.h +++ b/drivers/s390/net/ism.h @@ -5,6 +5,7 @@ #include <linux/spinlock.h> #include <linux/types.h> #include <linux/pci.h> +#include <linux/ism.h> #include <net/smc.h> #include <asm/pci_insn.h> diff --git a/drivers/s390/net/ism_drv.c b/drivers/s390/net/ism_drv.c index e253949aa975..b9f33f411d78 100644 --- a/drivers/s390/net/ism_drv.c +++ b/drivers/s390/net/ism_drv.c @@ -215,14 +215,14 @@ static int ism_query_rgid(struct smcd_dev *smcd, u64 rgid, u32 vid_valid, return ism_cmd(ism, &cmd); } -static void ism_free_dmb(struct ism_dev *ism, struct smcd_dmb *dmb) +static void ism_free_dmb(struct ism_dev *ism, struct ism_dmb *dmb) { clear_bit(dmb->sba_idx, ism->sba_bitmap); dma_free_coherent(&ism->pdev->dev, dmb->dmb_len, dmb->cpu_addr, dmb->dma_addr); } -static int ism_alloc_dmb(struct ism_dev *ism, struct smcd_dmb *dmb) +static int ism_alloc_dmb(struct ism_dev *ism, struct ism_dmb *dmb) { unsigned long bit; @@ -251,7 +251,7 @@ static int ism_alloc_dmb(struct ism_dev *ism, struct smcd_dmb *dmb) return dmb->cpu_addr ? 0 : -ENOMEM; } -static int ism_register_dmb(struct smcd_dev *smcd, struct smcd_dmb *dmb) +static int ism_register_dmb(struct smcd_dev *smcd, struct ism_dmb *dmb) { struct ism_dev *ism = smcd->priv; union ism_reg_dmb cmd; @@ -282,7 +282,12 @@ out: return ret; } -static int ism_unregister_dmb(struct smcd_dev *smcd, struct smcd_dmb *dmb) +static int smcd_register_dmb(struct smcd_dev *smcd, struct smcd_dmb *dmb) +{ + return ism_register_dmb(smcd, (struct ism_dmb *)dmb); +} + +static int ism_unregister_dmb(struct smcd_dev *smcd, struct ism_dmb *dmb) { struct ism_dev *ism = smcd->priv; union ism_unreg_dmb cmd; @@ -303,6 +308,11 @@ out: return ret; } +static int smcd_unregister_dmb(struct smcd_dev *smcd, struct smcd_dmb *dmb) +{ + return ism_unregister_dmb(smcd, (struct ism_dmb *)dmb); +} + static int ism_add_vlan_id(struct smcd_dev *smcd, u64 vlan_id) { struct ism_dev *ism = smcd->priv; @@ -475,8 +485,8 @@ static irqreturn_t ism_handle_irq(int irq, void *data) static const struct smcd_ops ism_ops = { .query_remote_gid = ism_query_rgid, - .register_dmb = ism_register_dmb, - .unregister_dmb = ism_unregister_dmb, + .register_dmb = smcd_register_dmb, + .unregister_dmb = smcd_unregister_dmb, .add_vlan_id = ism_add_vlan_id, .del_vlan_id = ism_del_vlan_id, .set_vlan_required = ism_set_vlan_required, diff --git a/include/linux/ism.h b/include/linux/ism.h new file mode 100644 index 000000000000..69bfbf0faaa1 --- /dev/null +++ b/include/linux/ism.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Internal Shared Memory + * + * Definitions for the ISM module + * + * Copyright IBM Corp. 2022 + */ +#ifndef _ISM_H +#define _ISM_H + +struct ism_dmb { + u64 dmb_tok; + u64 rgid; + u32 dmb_len; + u32 sba_idx; + u32 vlan_valid; + u32 vlan_id; + void *cpu_addr; + dma_addr_t dma_addr; +}; + +#endif /* _ISM_H */ |