1 /* SPDX-License-Identifier: GPL-2.0 */
5 #include <linux/spinlock.h>
6 #include <linux/types.h>
10 #define UTIL_STR_LEN 16
13 * Do not use the first word of the DMB bits to ensure 8 byte aligned access.
15 #define ISM_DMB_WORD_OFFSET 1
16 #define ISM_DMB_BIT_OFFSET (ISM_DMB_WORD_OFFSET * 32)
17 #define ISM_NR_DMBS 1920
19 #define ISM_REG_SBA 0x1
20 #define ISM_REG_IEQ 0x2
21 #define ISM_READ_GID 0x3
22 #define ISM_ADD_VLAN_ID 0x4
23 #define ISM_DEL_VLAN_ID 0x5
24 #define ISM_SET_VLAN 0x6
25 #define ISM_RESET_VLAN 0x7
26 #define ISM_QUERY_INFO 0x8
27 #define ISM_QUERY_RGID 0x9
28 #define ISM_REG_DMB 0xA
29 #define ISM_UNREG_DMB 0xB
30 #define ISM_SIGNAL_IEQ 0xE
31 #define ISM_UNREG_SBA 0x11
32 #define ISM_UNREG_IEQ 0x12
34 #define ISM_ERROR 0xFFFF
50 struct ism_req_hdr hdr;
54 struct ism_resp_hdr hdr;
60 struct ism_req_hdr hdr;
65 struct ism_resp_hdr hdr;
71 struct ism_req_hdr hdr;
74 struct ism_resp_hdr hdr;
81 struct ism_req_hdr hdr;
84 struct ism_resp_hdr hdr;
101 union ism_query_rgid {
103 struct ism_req_hdr hdr;
109 struct ism_resp_hdr hdr;
115 struct ism_req_hdr hdr;
124 struct ism_resp_hdr hdr;
131 struct ism_req_hdr hdr;
138 struct ism_resp_hdr hdr;
142 union ism_unreg_dmb {
144 struct ism_req_hdr hdr;
148 struct ism_resp_hdr hdr;
152 union ism_cmd_simple {
154 struct ism_req_hdr hdr;
157 struct ism_resp_hdr hdr;
161 union ism_set_vlan_id {
163 struct ism_req_hdr hdr;
167 struct ism_resp_hdr hdr;
171 struct ism_eq_header {
179 struct ism_eq_header header;
180 struct smcd_event entry[15];
184 u32 s : 1; /* summary bit */
185 u32 e : 1; /* event bit */
187 u32 dmb_bits[ISM_NR_DMBS / 32];
189 u16 dmbe_mask[ISM_NR_DMBS];
194 struct pci_dev *pdev;
195 struct smcd_dev *smcd;
200 dma_addr_t sba_dma_addr;
201 DECLARE_BITMAP(sba_bitmap, ISM_NR_DMBS);
204 dma_addr_t ieq_dma_addr;
209 #define ISM_CREATE_REQ(dmb, idx, sf, offset) \
210 ((dmb) | (idx) << 24 | (sf) << 23 | (offset))
212 static inline int __ism_move(struct ism_dev *ism, u64 dmb_req, void *data,
215 struct zpci_dev *zdev = to_zpci(ism->pdev);
216 u64 req = ZPCI_CREATE_REQ(zdev->fh, 0, size);
218 return zpci_write_block(req, data, dmb_req);
221 #endif /* S390_ISM_H */