xref: /openbmc/qemu/include/hw/ppc/xive2_regs.h (revision 7cba010e)
1 /*
2  * QEMU PowerPC XIVE2 internal structure definitions (POWER10)
3  *
4  * Copyright (c) 2019-2022, IBM Corporation.
5  *
6  * This code is licensed under the GPL version 2 or later. See the
7  * COPYING file in the top-level directory.
8  */
9 
10 #ifndef PPC_XIVE2_REGS_H
11 #define PPC_XIVE2_REGS_H
12 
13 /*
14  * Thread Interrupt Management Area (TIMA)
15  *
16  * In Gen1 mode (P9 compat mode) word 2 is the same. However in Gen2
17  * mode (P10), the CAM line is slightly different as the VP space was
18  * increased.
19  */
20 #define   TM2_QW0W2_VU           PPC_BIT32(0)
21 #define   TM2_QW0W2_LOGIC_SERV   PPC_BITMASK32(4, 31)
22 #define   TM2_QW1W2_VO           PPC_BIT32(0)
23 #define   TM2_QW1W2_HO           PPC_BIT32(1)
24 #define   TM2_QW1W2_OS_CAM       PPC_BITMASK32(4, 31)
25 #define   TM2_QW2W2_VP           PPC_BIT32(0)
26 #define   TM2_QW2W2_HP           PPC_BIT32(1)
27 #define   TM2_QW2W2_POOL_CAM     PPC_BITMASK32(4, 31)
28 #define   TM2_QW3W2_VT           PPC_BIT32(0)
29 #define   TM2_QW3W2_HT           PPC_BIT32(1)
30 #define   TM2_QW3W2_LP           PPC_BIT32(6)
31 #define   TM2_QW3W2_LE           PPC_BIT32(7)
32 
33 /*
34  * Event Assignment Structure (EAS)
35  */
36 
37 typedef struct Xive2Eas {
38         uint64_t       w;
39 #define EAS2_VALID                 PPC_BIT(0)
40 #define EAS2_END_BLOCK             PPC_BITMASK(4, 7) /* Destination EQ block# */
41 #define EAS2_END_INDEX             PPC_BITMASK(8, 31) /* Destination EQ index */
42 #define EAS2_MASKED                PPC_BIT(32) /* Masked                 */
43 #define EAS2_END_DATA              PPC_BITMASK(33, 63) /* written to the EQ */
44 } Xive2Eas;
45 
46 #define xive2_eas_is_valid(eas)   (be64_to_cpu((eas)->w) & EAS2_VALID)
47 #define xive2_eas_is_masked(eas)  (be64_to_cpu((eas)->w) & EAS2_MASKED)
48 
49 void xive2_eas_pic_print_info(Xive2Eas *eas, uint32_t lisn, Monitor *mon);
50 
51 /*
52  * Event Notifification Descriptor (END)
53  */
54 
55 typedef struct Xive2End {
56         uint32_t       w0;
57 #define END2_W0_VALID              PPC_BIT32(0) /* "v" bit */
58 #define END2_W0_ENQUEUE            PPC_BIT32(5) /* "q" bit */
59 #define END2_W0_UCOND_NOTIFY       PPC_BIT32(6) /* "n" bit */
60 #define END2_W0_SILENT_ESCALATE    PPC_BIT32(7) /* "s" bit */
61 #define END2_W0_BACKLOG            PPC_BIT32(8) /* "b" bit */
62 #define END2_W0_PRECL_ESC_CTL      PPC_BIT32(9) /* "p" bit */
63 #define END2_W0_UNCOND_ESCALATE    PPC_BIT32(10) /* "u" bit */
64 #define END2_W0_ESCALATE_CTL       PPC_BIT32(11) /* "e" bit */
65 #define END2_W0_ADAPTIVE_ESC       PPC_BIT32(12) /* "a" bit */
66 #define END2_W0_ESCALATE_END       PPC_BIT32(13) /* "N" bit */
67 #define END2_W0_FIRMWARE1          PPC_BIT32(16) /* Owned by FW */
68 #define END2_W0_FIRMWARE2          PPC_BIT32(17) /* Owned by FW */
69 #define END2_W0_AEC_SIZE           PPC_BITMASK32(18, 19)
70 #define END2_W0_AEG_SIZE           PPC_BITMASK32(20, 23)
71 #define END2_W0_EQ_VG_PREDICT      PPC_BITMASK32(24, 31) /* Owned by HW */
72         uint32_t       w1;
73 #define END2_W1_ESn                PPC_BITMASK32(0, 1)
74 #define END2_W1_ESn_P              PPC_BIT32(0)
75 #define END2_W1_ESn_Q              PPC_BIT32(1)
76 #define END2_W1_ESe                PPC_BITMASK32(2, 3)
77 #define END2_W1_ESe_P              PPC_BIT32(2)
78 #define END2_W1_ESe_Q              PPC_BIT32(3)
79 #define END2_W1_GEN_FLIPPED        PPC_BIT32(8)
80 #define END2_W1_GENERATION         PPC_BIT32(9)
81 #define END2_W1_PAGE_OFF           PPC_BITMASK32(10, 31)
82         uint32_t       w2;
83 #define END2_W2_RESERVED           PPC_BITMASK32(4, 7)
84 #define END2_W2_EQ_ADDR_HI         PPC_BITMASK32(8, 31)
85         uint32_t       w3;
86 #define END2_W3_EQ_ADDR_LO         PPC_BITMASK32(0, 24)
87 #define END2_W3_QSIZE              PPC_BITMASK32(28, 31)
88         uint32_t       w4;
89 #define END2_W4_END_BLOCK          PPC_BITMASK32(4, 7)
90 #define END2_W4_ESC_END_INDEX      PPC_BITMASK32(8, 31)
91 #define END2_W4_ESB_BLOCK          PPC_BITMASK32(0, 3)
92 #define END2_W4_ESC_ESB_INDEX      PPC_BITMASK32(4, 31)
93         uint32_t       w5;
94 #define END2_W5_ESC_END_DATA       PPC_BITMASK32(1, 31)
95         uint32_t       w6;
96 #define END2_W6_FORMAT_BIT         PPC_BIT32(0)
97 #define END2_W6_IGNORE             PPC_BIT32(1)
98 #define END2_W6_VP_BLOCK           PPC_BITMASK32(4, 7)
99 #define END2_W6_VP_OFFSET          PPC_BITMASK32(8, 31)
100 #define END2_W6_VP_OFFSET_GEN1     PPC_BITMASK32(13, 31)
101         uint32_t       w7;
102 #define END2_W7_TOPO               PPC_BITMASK32(0, 3) /* Owned by HW */
103 #define END2_W7_F0_PRIORITY        PPC_BITMASK32(8, 15)
104 #define END2_W7_F1_LOG_SERVER_ID   PPC_BITMASK32(4, 31)
105 } Xive2End;
106 
107 #define xive2_end_is_valid(end)    (be32_to_cpu((end)->w0) & END2_W0_VALID)
108 #define xive2_end_is_enqueue(end)  (be32_to_cpu((end)->w0) & END2_W0_ENQUEUE)
109 #define xive2_end_is_notify(end)                \
110     (be32_to_cpu((end)->w0) & END2_W0_UCOND_NOTIFY)
111 #define xive2_end_is_backlog(end)  (be32_to_cpu((end)->w0) & END2_W0_BACKLOG)
112 #define xive2_end_is_escalate(end)                      \
113     (be32_to_cpu((end)->w0) & END2_W0_ESCALATE_CTL)
114 #define xive2_end_is_uncond_escalation(end)              \
115     (be32_to_cpu((end)->w0) & END2_W0_UNCOND_ESCALATE)
116 #define xive2_end_is_silent_escalation(end)              \
117     (be32_to_cpu((end)->w0) & END2_W0_SILENT_ESCALATE)
118 #define xive2_end_is_escalate_end(end)              \
119     (be32_to_cpu((end)->w0) & END2_W0_ESCALATE_END)
120 #define xive2_end_is_firmware1(end)              \
121     (be32_to_cpu((end)->w0) & END2_W0_FIRMWARE1)
122 #define xive2_end_is_firmware2(end)              \
123     (be32_to_cpu((end)->w0) & END2_W0_FIRMWARE2)
124 
125 static inline uint64_t xive2_end_qaddr(Xive2End *end)
126 {
127     return ((uint64_t) be32_to_cpu(end->w2) & END2_W2_EQ_ADDR_HI) << 32 |
128         (be32_to_cpu(end->w3) & END2_W3_EQ_ADDR_LO);
129 }
130 
131 void xive2_end_pic_print_info(Xive2End *end, uint32_t end_idx, Monitor *mon);
132 void xive2_end_queue_pic_print_info(Xive2End *end, uint32_t width,
133                                     Monitor *mon);
134 void xive2_end_eas_pic_print_info(Xive2End *end, uint32_t end_idx,
135                                    Monitor *mon);
136 
137 /*
138  * Notification Virtual Processor (NVP)
139  */
140 typedef struct Xive2Nvp {
141         uint32_t       w0;
142 #define NVP2_W0_VALID              PPC_BIT32(0)
143 #define NVP2_W0_HW                 PPC_BIT32(7)
144 #define NVP2_W0_ESC_END            PPC_BIT32(25) /* 'N' bit 0:ESB  1:END */
145         uint32_t       w1;
146 #define NVP2_W1_CO                 PPC_BIT32(13)
147 #define NVP2_W1_CO_PRIV            PPC_BITMASK32(14, 15)
148 #define NVP2_W1_CO_THRID_VALID     PPC_BIT32(16)
149 #define NVP2_W1_CO_THRID           PPC_BITMASK32(17, 31)
150         uint32_t       w2;
151 #define NVP2_W2_CPPR               PPC_BITMASK32(0, 7)
152 #define NVP2_W2_IPB                PPC_BITMASK32(8, 15)
153 #define NVP2_W2_LSMFB              PPC_BITMASK32(16, 23)
154         uint32_t       w3;
155         uint32_t       w4;
156 #define NVP2_W4_ESC_ESB_BLOCK      PPC_BITMASK32(0, 3)  /* N:0 */
157 #define NVP2_W4_ESC_ESB_INDEX      PPC_BITMASK32(4, 31) /* N:0 */
158 #define NVP2_W4_ESC_END_BLOCK      PPC_BITMASK32(4, 7)  /* N:1 */
159 #define NVP2_W4_ESC_END_INDEX      PPC_BITMASK32(8, 31) /* N:1 */
160         uint32_t       w5;
161 #define NVP2_W5_PSIZE              PPC_BITMASK32(0, 1)
162 #define NVP2_W5_VP_END_BLOCK       PPC_BITMASK32(4, 7)
163 #define NVP2_W5_VP_END_INDEX       PPC_BITMASK32(8, 31)
164         uint32_t       w6;
165         uint32_t       w7;
166 } Xive2Nvp;
167 
168 #define xive2_nvp_is_valid(nvp)    (be32_to_cpu((nvp)->w0) & NVP2_W0_VALID)
169 #define xive2_nvp_is_hw(nvp)       (be32_to_cpu((nvp)->w0) & NVP2_W0_HW)
170 #define xive2_nvp_is_co(nvp)       (be32_to_cpu((nvp)->w1) & NVP2_W1_CO)
171 
172 /*
173  * The VP number space in a block is defined by the END2_W6_VP_OFFSET
174  * field of the XIVE END. When running in Gen1 mode (P9 compat mode),
175  * the VP space is reduced to (1 << 19) VPs per block
176  */
177 #define XIVE2_NVP_SHIFT              24
178 #define XIVE2_NVP_COUNT              (1 << XIVE2_NVP_SHIFT)
179 
180 static inline uint32_t xive2_nvp_cam_line(uint8_t nvp_blk, uint32_t nvp_idx)
181 {
182     return (nvp_blk << XIVE2_NVP_SHIFT) | nvp_idx;
183 }
184 
185 static inline uint32_t xive2_nvp_idx(uint32_t cam_line)
186 {
187     return cam_line & ((1 << XIVE2_NVP_SHIFT) - 1);
188 }
189 
190 static inline uint32_t xive2_nvp_blk(uint32_t cam_line)
191 {
192     return (cam_line >> XIVE2_NVP_SHIFT) & 0xf;
193 }
194 
195 /*
196  * Notification Virtual Group or Crowd (NVG/NVC)
197  */
198 typedef struct Xive2Nvgc {
199         uint32_t        w0;
200 #define NVGC2_W0_VALID             PPC_BIT32(0)
201         uint32_t        w1;
202         uint32_t        w2;
203         uint32_t        w3;
204         uint32_t        w4;
205         uint32_t        w5;
206         uint32_t        w6;
207         uint32_t        w7;
208 } Xive2Nvgc;
209 
210 #endif /* PPC_XIVE2_REGS_H */
211