Merge remote-tracking branch 'remotes/vivier/tags/trivial-branch-for-6.2-pull-request...
[qemu.git] / hw / scsi / mptsas.h
1 #ifndef MPTSAS_H
2 #define MPTSAS_H
3
4 #include "mpi.h"
5 #include "qom/object.h"
6
7 #define MPTSAS_NUM_PORTS 8
8 #define MPTSAS_MAX_FRAMES 2048 /* Firmware limit at 65535 */
9
10 #define MPTSAS_REQUEST_QUEUE_DEPTH 128
11 #define MPTSAS_REPLY_QUEUE_DEPTH 128
12
13 #define MPTSAS_MAXIMUM_CHAIN_DEPTH 0x22
14
15 typedef struct MPTSASRequest MPTSASRequest;
16
17 #define TYPE_MPTSAS1068 "mptsas1068"
18 typedef struct MPTSASState MPTSASState;
19 DECLARE_INSTANCE_CHECKER(MPTSASState, MPT_SAS,
20 TYPE_MPTSAS1068)
21
22 enum {
23 DOORBELL_NONE,
24 DOORBELL_WRITE,
25 DOORBELL_READ
26 };
27
28 struct MPTSASState {
29 PCIDevice dev;
30 MemoryRegion mmio_io;
31 MemoryRegion port_io;
32 MemoryRegion diag_io;
33 QEMUBH *request_bh;
34
35 /* properties */
36 OnOffAuto msi;
37 uint64_t sas_addr;
38
39 bool msi_in_use;
40
41 /* Doorbell register */
42 uint32_t state;
43 uint8_t who_init;
44 uint8_t doorbell_state;
45
46 /* Buffer for requests that are sent through the doorbell register. */
47 uint32_t doorbell_msg[256];
48 int doorbell_idx;
49 int doorbell_cnt;
50
51 uint16_t doorbell_reply[256];
52 int doorbell_reply_idx;
53 int doorbell_reply_size;
54
55 /* Other registers */
56 uint8_t diagnostic_idx;
57 uint32_t diagnostic;
58 uint32_t intr_mask;
59 uint32_t intr_status;
60
61 /* Request queues */
62 uint32_t request_post[MPTSAS_REQUEST_QUEUE_DEPTH + 1];
63 uint16_t request_post_head;
64 uint16_t request_post_tail;
65
66 uint32_t reply_post[MPTSAS_REPLY_QUEUE_DEPTH + 1];
67 uint16_t reply_post_head;
68 uint16_t reply_post_tail;
69
70 uint32_t reply_free[MPTSAS_REPLY_QUEUE_DEPTH + 1];
71 uint16_t reply_free_head;
72 uint16_t reply_free_tail;
73
74 /* IOC Facts */
75 hwaddr host_mfa_high_addr;
76 hwaddr sense_buffer_high_addr;
77 uint16_t max_devices;
78 uint16_t max_buses;
79 uint16_t reply_frame_size;
80
81 SCSIBus bus;
82 };
83
84 void mptsas_fix_scsi_io_endianness(MPIMsgSCSIIORequest *req);
85 void mptsas_fix_scsi_io_reply_endianness(MPIMsgSCSIIOReply *reply);
86 void mptsas_fix_scsi_task_mgmt_endianness(MPIMsgSCSITaskMgmt *req);
87 void mptsas_fix_scsi_task_mgmt_reply_endianness(MPIMsgSCSITaskMgmtReply *reply);
88 void mptsas_fix_ioc_init_endianness(MPIMsgIOCInit *req);
89 void mptsas_fix_ioc_init_reply_endianness(MPIMsgIOCInitReply *reply);
90 void mptsas_fix_ioc_facts_endianness(MPIMsgIOCFacts *req);
91 void mptsas_fix_ioc_facts_reply_endianness(MPIMsgIOCFactsReply *reply);
92 void mptsas_fix_config_endianness(MPIMsgConfig *req);
93 void mptsas_fix_config_reply_endianness(MPIMsgConfigReply *reply);
94 void mptsas_fix_port_facts_endianness(MPIMsgPortFacts *req);
95 void mptsas_fix_port_facts_reply_endianness(MPIMsgPortFactsReply *reply);
96 void mptsas_fix_port_enable_endianness(MPIMsgPortEnable *req);
97 void mptsas_fix_port_enable_reply_endianness(MPIMsgPortEnableReply *reply);
98 void mptsas_fix_event_notification_endianness(MPIMsgEventNotify *req);
99 void mptsas_fix_event_notification_reply_endianness(MPIMsgEventNotifyReply *reply);
100
101 void mptsas_reply(MPTSASState *s, MPIDefaultReply *reply);
102
103 void mptsas_process_config(MPTSASState *s, MPIMsgConfig *req);
104
105 #endif /* MPTSAS_H */