mirrors/qemu
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
8626982301
qemu/include/hw/ppc/xive2_regs.h
Cédric Le Goater 835806f1f9 pnv/xive2: Add support for automatic save&restore 
The XIVE interrupt controller on P10 can automatically save and
restore the state of the interrupt registers under the internal NVP
structure representing the VCPU. This saves a costly store/load in
guest entries and exits.

Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
2022-03-02 06:51:39 +01:00

211 lines
8.3 KiB
C
Raw Blame History

/*
* QEMU PowerPC XIVE2 internal structure definitions (POWER10)
*
* Copyright (c) 2019-2022, IBM Corporation.
*
* This code is licensed under the GPL version 2 or later. See the
* COPYING file in the top-level directory.
*/
#ifndef PPC_XIVE2_REGS_H
#define PPC_XIVE2_REGS_H
/*
* Thread Interrupt Management Area (TIMA)
*
* In Gen1 mode (P9 compat mode) word 2 is the same. However in Gen2
* mode (P10), the CAM line is slightly different as the VP space was
* increased.
*/
#define TM2_QW0W2_VU PPC_BIT32(0)
#define TM2_QW0W2_LOGIC_SERV PPC_BITMASK32(4, 31)
#define TM2_QW1W2_VO PPC_BIT32(0)
#define TM2_QW1W2_HO PPC_BIT32(1)
#define TM2_QW1W2_OS_CAM PPC_BITMASK32(4, 31)
#define TM2_QW2W2_VP PPC_BIT32(0)
#define TM2_QW2W2_HP PPC_BIT32(1)
#define TM2_QW2W2_POOL_CAM PPC_BITMASK32(4, 31)
#define TM2_QW3W2_VT PPC_BIT32(0)
#define TM2_QW3W2_HT PPC_BIT32(1)
#define TM2_QW3W2_LP PPC_BIT32(6)
#define TM2_QW3W2_LE PPC_BIT32(7)
/*
* Event Assignment Structure (EAS)
*/
typedef struct Xive2Eas {
uint64_t w;
#define EAS2_VALID PPC_BIT(0)
#define EAS2_END_BLOCK PPC_BITMASK(4, 7) /* Destination EQ block# */
#define EAS2_END_INDEX PPC_BITMASK(8, 31) /* Destination EQ index */
#define EAS2_MASKED PPC_BIT(32) /* Masked */
#define EAS2_END_DATA PPC_BITMASK(33, 63) /* written to the EQ */
} Xive2Eas;
#define xive2_eas_is_valid(eas) (be64_to_cpu((eas)->w) & EAS2_VALID)
#define xive2_eas_is_masked(eas) (be64_to_cpu((eas)->w) & EAS2_MASKED)
void xive2_eas_pic_print_info(Xive2Eas *eas, uint32_t lisn, Monitor *mon);
/*
* Event Notifification Descriptor (END)
*/
typedef struct Xive2End {
uint32_t w0;
#define END2_W0_VALID PPC_BIT32(0) /* "v" bit */
#define END2_W0_ENQUEUE PPC_BIT32(5) /* "q" bit */
#define END2_W0_UCOND_NOTIFY PPC_BIT32(6) /* "n" bit */
#define END2_W0_SILENT_ESCALATE PPC_BIT32(7) /* "s" bit */
#define END2_W0_BACKLOG PPC_BIT32(8) /* "b" bit */
#define END2_W0_PRECL_ESC_CTL PPC_BIT32(9) /* "p" bit */
#define END2_W0_UNCOND_ESCALATE PPC_BIT32(10) /* "u" bit */
#define END2_W0_ESCALATE_CTL PPC_BIT32(11) /* "e" bit */
#define END2_W0_ADAPTIVE_ESC PPC_BIT32(12) /* "a" bit */
#define END2_W0_ESCALATE_END PPC_BIT32(13) /* "N" bit */
#define END2_W0_FIRMWARE1 PPC_BIT32(16) /* Owned by FW */
#define END2_W0_FIRMWARE2 PPC_BIT32(17) /* Owned by FW */
#define END2_W0_AEC_SIZE PPC_BITMASK32(18, 19)
#define END2_W0_AEG_SIZE PPC_BITMASK32(20, 23)
#define END2_W0_EQ_VG_PREDICT PPC_BITMASK32(24, 31) /* Owned by HW */
uint32_t w1;
#define END2_W1_ESn PPC_BITMASK32(0, 1)
#define END2_W1_ESn_P PPC_BIT32(0)
#define END2_W1_ESn_Q PPC_BIT32(1)
#define END2_W1_ESe PPC_BITMASK32(2, 3)
#define END2_W1_ESe_P PPC_BIT32(2)
#define END2_W1_ESe_Q PPC_BIT32(3)
#define END2_W1_GEN_FLIPPED PPC_BIT32(8)
#define END2_W1_GENERATION PPC_BIT32(9)
#define END2_W1_PAGE_OFF PPC_BITMASK32(10, 31)
uint32_t w2;
#define END2_W2_RESERVED PPC_BITMASK32(4, 7)
#define END2_W2_EQ_ADDR_HI PPC_BITMASK32(8, 31)
uint32_t w3;
#define END2_W3_EQ_ADDR_LO PPC_BITMASK32(0, 24)
#define END2_W3_QSIZE PPC_BITMASK32(28, 31)
uint32_t w4;
#define END2_W4_END_BLOCK PPC_BITMASK32(4, 7)
#define END2_W4_ESC_END_INDEX PPC_BITMASK32(8, 31)
#define END2_W4_ESB_BLOCK PPC_BITMASK32(0, 3)
#define END2_W4_ESC_ESB_INDEX PPC_BITMASK32(4, 31)
uint32_t w5;
#define END2_W5_ESC_END_DATA PPC_BITMASK32(1, 31)
uint32_t w6;
#define END2_W6_FORMAT_BIT PPC_BIT32(0)
#define END2_W6_IGNORE PPC_BIT32(1)
#define END2_W6_VP_BLOCK PPC_BITMASK32(4, 7)
#define END2_W6_VP_OFFSET PPC_BITMASK32(8, 31)
#define END2_W6_VP_OFFSET_GEN1 PPC_BITMASK32(13, 31)
uint32_t w7;
#define END2_W7_TOPO PPC_BITMASK32(0, 3) /* Owned by HW */
#define END2_W7_F0_PRIORITY PPC_BITMASK32(8, 15)
#define END2_W7_F1_LOG_SERVER_ID PPC_BITMASK32(4, 31)
} Xive2End;
#define xive2_end_is_valid(end) (be32_to_cpu((end)->w0) & END2_W0_VALID)
#define xive2_end_is_enqueue(end) (be32_to_cpu((end)->w0) & END2_W0_ENQUEUE)
#define xive2_end_is_notify(end) \
(be32_to_cpu((end)->w0) & END2_W0_UCOND_NOTIFY)
#define xive2_end_is_backlog(end) (be32_to_cpu((end)->w0) & END2_W0_BACKLOG)
#define xive2_end_is_escalate(end) \
(be32_to_cpu((end)->w0) & END2_W0_ESCALATE_CTL)
#define xive2_end_is_uncond_escalation(end) \
(be32_to_cpu((end)->w0) & END2_W0_UNCOND_ESCALATE)
#define xive2_end_is_silent_escalation(end) \
(be32_to_cpu((end)->w0) & END2_W0_SILENT_ESCALATE)
#define xive2_end_is_escalate_end(end) \
(be32_to_cpu((end)->w0) & END2_W0_ESCALATE_END)
#define xive2_end_is_firmware1(end) \
(be32_to_cpu((end)->w0) & END2_W0_FIRMWARE1)
#define xive2_end_is_firmware2(end) \
(be32_to_cpu((end)->w0) & END2_W0_FIRMWARE2)
static inline uint64_t xive2_end_qaddr(Xive2End *end)
{
return ((uint64_t) be32_to_cpu(end->w2) & END2_W2_EQ_ADDR_HI) << 32 |
(be32_to_cpu(end->w3) & END2_W3_EQ_ADDR_LO);
}
void xive2_end_pic_print_info(Xive2End *end, uint32_t end_idx, Monitor *mon);
void xive2_end_queue_pic_print_info(Xive2End *end, uint32_t width,
Monitor *mon);
void xive2_end_eas_pic_print_info(Xive2End *end, uint32_t end_idx,
Monitor *mon);
/*
* Notification Virtual Processor (NVP)
*/
typedef struct Xive2Nvp {
uint32_t w0;
#define NVP2_W0_VALID PPC_BIT32(0)
#define NVP2_W0_HW PPC_BIT32(7)
#define NVP2_W0_ESC_END PPC_BIT32(25) /* 'N' bit 0:ESB 1:END */
uint32_t w1;
#define NVP2_W1_CO PPC_BIT32(13)
#define NVP2_W1_CO_PRIV PPC_BITMASK32(14, 15)
#define NVP2_W1_CO_THRID_VALID PPC_BIT32(16)
#define NVP2_W1_CO_THRID PPC_BITMASK32(17, 31)
uint32_t w2;
#define NVP2_W2_CPPR PPC_BITMASK32(0, 7)
#define NVP2_W2_IPB PPC_BITMASK32(8, 15)
#define NVP2_W2_LSMFB PPC_BITMASK32(16, 23)
uint32_t w3;
uint32_t w4;
#define NVP2_W4_ESC_ESB_BLOCK PPC_BITMASK32(0, 3) /* N:0 */
#define NVP2_W4_ESC_ESB_INDEX PPC_BITMASK32(4, 31) /* N:0 */
#define NVP2_W4_ESC_END_BLOCK PPC_BITMASK32(4, 7) /* N:1 */
#define NVP2_W4_ESC_END_INDEX PPC_BITMASK32(8, 31) /* N:1 */
uint32_t w5;
#define NVP2_W5_PSIZE PPC_BITMASK32(0, 1)
#define NVP2_W5_VP_END_BLOCK PPC_BITMASK32(4, 7)
#define NVP2_W5_VP_END_INDEX PPC_BITMASK32(8, 31)
uint32_t w6;
uint32_t w7;
} Xive2Nvp;
#define xive2_nvp_is_valid(nvp) (be32_to_cpu((nvp)->w0) & NVP2_W0_VALID)
#define xive2_nvp_is_hw(nvp) (be32_to_cpu((nvp)->w0) & NVP2_W0_HW)
#define xive2_nvp_is_co(nvp) (be32_to_cpu((nvp)->w1) & NVP2_W1_CO)
/*
* The VP number space in a block is defined by the END2_W6_VP_OFFSET
* field of the XIVE END. When running in Gen1 mode (P9 compat mode),
* the VP space is reduced to (1 << 19) VPs per block
*/
#define XIVE2_NVP_SHIFT 24
#define XIVE2_NVP_COUNT (1 << XIVE2_NVP_SHIFT)
static inline uint32_t xive2_nvp_cam_line(uint8_t nvp_blk, uint32_t nvp_idx)
{
return (nvp_blk << XIVE2_NVP_SHIFT) | nvp_idx;
}
static inline uint32_t xive2_nvp_idx(uint32_t cam_line)
{
return cam_line & ((1 << XIVE2_NVP_SHIFT) - 1);
}
static inline uint32_t xive2_nvp_blk(uint32_t cam_line)
{
return (cam_line >> XIVE2_NVP_SHIFT) & 0xf;
}
/*
* Notification Virtual Group or Crowd (NVG/NVC)
*/
typedef struct Xive2Nvgc {
uint32_t w0;
#define NVGC2_W0_VALID PPC_BIT32(0)
uint32_t w1;
uint32_t w2;
uint32_t w3;
uint32_t w4;
uint32_t w5;
uint32_t w6;
uint32_t w7;
} Xive2Nvgc;
#endif /* PPC_XIVE2_REGS_H */
Reference in New Issue View Git Blame Copy Permalink