xref: /qemu/hw/scsi/mptsas.h (revision 1538d763)
1 #ifndef MPTSAS_H
2 #define MPTSAS_H
3 
4 #include "mpi.h"
5 
6 #define MPTSAS_NUM_PORTS 8
7 #define MPTSAS_MAX_FRAMES 2048     /* Firmware limit at 65535 */
8 
9 #define MPTSAS_REQUEST_QUEUE_DEPTH 128
10 #define MPTSAS_REPLY_QUEUE_DEPTH   128
11 
12 #define MPTSAS_MAXIMUM_CHAIN_DEPTH 0x22
13 
14 typedef struct MPTSASRequest MPTSASRequest;
15 
16 #define TYPE_MPTSAS1068 "mptsas1068"
17 typedef struct MPTSASState MPTSASState;
18 #define MPT_SAS(obj) \
19     OBJECT_CHECK(MPTSASState, (obj), TYPE_MPTSAS1068)
20 
21 enum {
22     DOORBELL_NONE,
23     DOORBELL_WRITE,
24     DOORBELL_READ
25 };
26 
27 struct MPTSASState {
28     PCIDevice dev;
29     MemoryRegion mmio_io;
30     MemoryRegion port_io;
31     MemoryRegion diag_io;
32     QEMUBH *request_bh;
33 
34     /* properties */
35     OnOffAuto msi;
36     uint64_t sas_addr;
37 
38     bool msi_in_use;
39 
40     /* Doorbell register */
41     uint32_t state;
42     uint8_t who_init;
43     uint8_t doorbell_state;
44 
45     /* Buffer for requests that are sent through the doorbell register.  */
46     uint32_t doorbell_msg[256];
47     int doorbell_idx;
48     int doorbell_cnt;
49 
50     uint16_t doorbell_reply[256];
51     int doorbell_reply_idx;
52     int doorbell_reply_size;
53 
54     /* Other registers */
55     uint8_t diagnostic_idx;
56     uint32_t diagnostic;
57     uint32_t intr_mask;
58     uint32_t intr_status;
59 
60     /* Request queues */
61     uint32_t request_post[MPTSAS_REQUEST_QUEUE_DEPTH + 1];
62     uint16_t request_post_head;
63     uint16_t request_post_tail;
64 
65     uint32_t reply_post[MPTSAS_REPLY_QUEUE_DEPTH + 1];
66     uint16_t reply_post_head;
67     uint16_t reply_post_tail;
68 
69     uint32_t reply_free[MPTSAS_REPLY_QUEUE_DEPTH + 1];
70     uint16_t reply_free_head;
71     uint16_t reply_free_tail;
72 
73     /* IOC Facts */
74     hwaddr host_mfa_high_addr;
75     hwaddr sense_buffer_high_addr;
76     uint16_t max_devices;
77     uint16_t max_buses;
78     uint16_t reply_frame_size;
79 
80     SCSIBus bus;
81     QTAILQ_HEAD(, MPTSASRequest) pending;
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 */
106