| /Linux-v5.4/include/linux/ |
| D | ntb.h | 293 int (*db_set)(struct ntb_dev *ntb, u64 db_bits);
294 int (*db_clear)(struct ntb_dev *ntb, u64 db_bits);
297 int (*db_set_mask)(struct ntb_dev *ntb, u64 db_bits);
298 int (*db_clear_mask)(struct ntb_dev *ntb, u64 db_bits);
304 int (*peer_db_set)(struct ntb_dev *ntb, u64 db_bits);
305 int (*peer_db_clear)(struct ntb_dev *ntb, u64 db_bits);
308 int (*peer_db_set_mask)(struct ntb_dev *ntb, u64 db_bits);
309 int (*peer_db_clear_mask)(struct ntb_dev *ntb, u64 db_bits);
1058 static inline int ntb_db_set(struct ntb_dev *ntb, u64 db_bits) in ntb_db_set() argument
1063 return ntb->ops->db_set(ntb, db_bits); in ntb_db_set()
[all …]
|
| /Linux-v5.4/drivers/ntb/hw/intel/ |
| D | ntb_hw_gen1.h | 154 int ndev_db_write(struct intel_ntb_dev *ndev, u64 db_bits,
170 int intel_ntb_db_set_mask(struct ntb_dev *ntb, u64 db_bits);
171 int intel_ntb_db_clear_mask(struct ntb_dev *ntb, u64 db_bits);
|
| D | ntb_hw_gen3.c | 566 static int intel_ntb3_peer_db_set(struct ntb_dev *ntb, u64 db_bits) in intel_ntb3_peer_db_set() argument
571 if (db_bits & ~ndev->db_valid_mask) in intel_ntb3_peer_db_set()
574 while (db_bits) { in intel_ntb3_peer_db_set()
575 bit = __ffs(db_bits); in intel_ntb3_peer_db_set()
578 db_bits &= db_bits - 1; in intel_ntb3_peer_db_set()
593 static int intel_ntb3_db_clear(struct ntb_dev *ntb, u64 db_bits) in intel_ntb3_db_clear() argument
597 return ndev_db_write(ndev, db_bits, in intel_ntb3_db_clear()
|
| D | ntb_hw_gen1.c | 210 int ndev_db_write(struct intel_ntb_dev *ndev, u64 db_bits, in ndev_db_write() argument
216 if (db_bits & ~ndev->db_valid_mask) in ndev_db_write()
219 ndev->reg->db_iowrite(db_bits, mmio); in ndev_db_write()
224 static inline int ndev_db_set_mask(struct intel_ntb_dev *ndev, u64 db_bits, in ndev_db_set_mask() argument
232 if (db_bits & ~ndev->db_valid_mask) in ndev_db_set_mask()
237 ndev->db_mask |= db_bits; in ndev_db_set_mask()
245 static inline int ndev_db_clear_mask(struct intel_ntb_dev *ndev, u64 db_bits, in ndev_db_clear_mask() argument
253 if (db_bits & ~ndev->db_valid_mask) in ndev_db_clear_mask()
258 ndev->db_mask &= ~db_bits; in ndev_db_clear_mask()
1085 static int intel_ntb_db_clear(struct ntb_dev *ntb, u64 db_bits) in intel_ntb_db_clear() argument
[all …]
|
| D | ntb_hw_intel.h | 106 void (*db_iowrite)(u64 db_bits, void __iomem *mmio);
|
| /Linux-v5.4/drivers/ntb/hw/amd/ |
| D | ntb_hw_amd.c | 347 static int amd_ntb_db_clear(struct ntb_dev *ntb, u64 db_bits) in amd_ntb_db_clear() argument
352 writew((u16)db_bits, mmio + AMD_DBSTAT_OFFSET); in amd_ntb_db_clear()
357 static int amd_ntb_db_set_mask(struct ntb_dev *ntb, u64 db_bits) in amd_ntb_db_set_mask() argument
363 if (db_bits & ~ndev->db_valid_mask) in amd_ntb_db_set_mask()
367 ndev->db_mask |= db_bits; in amd_ntb_db_set_mask()
374 static int amd_ntb_db_clear_mask(struct ntb_dev *ntb, u64 db_bits) in amd_ntb_db_clear_mask() argument
380 if (db_bits & ~ndev->db_valid_mask) in amd_ntb_db_clear_mask()
384 ndev->db_mask &= ~db_bits; in amd_ntb_db_clear_mask()
391 static int amd_ntb_peer_db_set(struct ntb_dev *ntb, u64 db_bits) in amd_ntb_peer_db_set() argument
396 writew((u16)db_bits, mmio + AMD_DBREQ_OFFSET); in amd_ntb_peer_db_set()
|
| /Linux-v5.4/drivers/ntb/hw/mscc/ |
| D | ntb_hw_switchtec.c | 633 static int switchtec_ntb_db_clear(struct ntb_dev *ntb, u64 db_bits) in switchtec_ntb_db_clear() argument
637 iowrite64(db_bits << sndev->db_shift, &sndev->mmio_self_dbmsg->idb); in switchtec_ntb_db_clear()
642 static int switchtec_ntb_db_set_mask(struct ntb_dev *ntb, u64 db_bits) in switchtec_ntb_db_set_mask() argument
647 if (db_bits & ~sndev->db_valid_mask) in switchtec_ntb_db_set_mask()
652 sndev->db_mask |= db_bits << sndev->db_shift; in switchtec_ntb_db_set_mask()
660 static int switchtec_ntb_db_clear_mask(struct ntb_dev *ntb, u64 db_bits) in switchtec_ntb_db_clear_mask() argument
665 if (db_bits & ~sndev->db_valid_mask) in switchtec_ntb_db_clear_mask()
670 sndev->db_mask &= ~(db_bits << sndev->db_shift); in switchtec_ntb_db_clear_mask()
712 static int switchtec_ntb_peer_db_set(struct ntb_dev *ntb, u64 db_bits) in switchtec_ntb_peer_db_set() argument
716 iowrite64(db_bits << sndev->db_peer_shift, in switchtec_ntb_peer_db_set()
|
| /Linux-v5.4/drivers/ntb/hw/idt/ |
| D | ntb_hw_idt.c | 1481 static int idt_ntb_db_clear(struct ntb_dev *ntb, u64 db_bits) in idt_ntb_db_clear() argument
1485 idt_nt_write(ndev, IDT_NT_INDBELLSTS, (u32)db_bits); in idt_ntb_db_clear()
1518 static int idt_ntb_db_set_mask(struct ntb_dev *ntb, u64 db_bits) in idt_ntb_db_set_mask() argument
1523 IDT_DBELL_MASK, db_bits); in idt_ntb_db_set_mask()
1539 static int idt_ntb_db_clear_mask(struct ntb_dev *ntb, u64 db_bits) in idt_ntb_db_clear_mask() argument
1544 db_bits); in idt_ntb_db_clear_mask()
1560 static int idt_ntb_peer_db_set(struct ntb_dev *ntb, u64 db_bits) in idt_ntb_peer_db_set() argument
1564 if (db_bits & ~(u64)IDT_DBELL_MASK) in idt_ntb_peer_db_set()
1567 idt_nt_write(ndev, IDT_NT_OUTDBELLSET, (u32)db_bits); in idt_ntb_peer_db_set()
|
| /Linux-v5.4/drivers/ntb/ |
| D | ntb_transport.c | 2431 u64 db_bits; in ntb_transport_doorbell_callback() local
2439 db_bits = (nt->qp_bitmap & ~nt->qp_bitmap_free & in ntb_transport_doorbell_callback()
2442 while (db_bits) { in ntb_transport_doorbell_callback()
2443 qp_num = __ffs(db_bits); in ntb_transport_doorbell_callback()
2449 db_bits &= ~BIT_ULL(qp_num); in ntb_transport_doorbell_callback()
|
| /Linux-v5.4/drivers/ntb/test/ |
| D | ntb_tool.c | 307 u64 db_bits, db_mask; in tool_db_event() local
310 db_bits = ntb_db_read(tc->ntb); in tool_db_event()
313 vec, db_mask, db_bits); in tool_db_event()
|
