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| author | Shashi Mallela <shashi.mallela@linaro.org> | 2021-09-13 16:07:23 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2021-09-13 16:07:54 +0100 |
| commit | 7eca39e071fc026f06eb3bbe9257d686f1d7e2e1 (patch) | |
| tree | 844393fd0ff7b161cb89a9f1ccbdfaefa374a784 /hw/intc/gicv3_internal.h | |
| parent | 1b08e436d0deaece35f7fa21aba6e6afe26cb3ac (diff) | |
| download | qemu-7eca39e071fc026f06eb3bbe9257d686f1d7e2e1.zip | |
hw/intc: GICv3 ITS command queue framework
Added functionality to trigger ITS command queue processing on
write to CWRITE register and process each command queue entry to
identify the command type and handle commands like MAPD,MAPC,SYNC.
Signed-off-by: Shashi Mallela <shashi.mallela@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Eric Auger <eric.auger@redhat.com>
Tested-by: Neil Armstrong <narmstrong@baylibre.com>
Message-id: 20210910143951.92242-4-shashi.mallela@linaro.org
[PMM: fixed format string nit]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/intc/gicv3_internal.h')
| -rw-r--r-- | hw/intc/gicv3_internal.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/hw/intc/gicv3_internal.h b/hw/intc/gicv3_internal.h index 92e0a4fa68..034fadfebe 100644 --- a/hw/intc/gicv3_internal.h +++ b/hw/intc/gicv3_internal.h @@ -304,6 +304,43 @@ FIELD(GITS_TYPER, CIL, 36, 1) #define L1TABLE_ENTRY_SIZE 8 #define GITS_CMDQ_ENTRY_SIZE 32 +#define NUM_BYTES_IN_DW 8 + +#define CMD_MASK 0xff + +/* ITS Commands */ +#define GITS_CMD_CLEAR 0x04 +#define GITS_CMD_DISCARD 0x0F +#define GITS_CMD_INT 0x03 +#define GITS_CMD_MAPC 0x09 +#define GITS_CMD_MAPD 0x08 +#define GITS_CMD_MAPI 0x0B +#define GITS_CMD_MAPTI 0x0A +#define GITS_CMD_INV 0x0C +#define GITS_CMD_INVALL 0x0D +#define GITS_CMD_SYNC 0x05 + +/* MAPC command fields */ +#define ICID_LENGTH 16 +#define ICID_MASK ((1U << ICID_LENGTH) - 1) +FIELD(MAPC, RDBASE, 16, 32) + +#define RDBASE_PROCNUM_LENGTH 16 +#define RDBASE_PROCNUM_MASK ((1ULL << RDBASE_PROCNUM_LENGTH) - 1) + +/* MAPD command fields */ +#define ITTADDR_LENGTH 44 +#define ITTADDR_SHIFT 8 +#define ITTADDR_MASK MAKE_64BIT_MASK(ITTADDR_SHIFT, ITTADDR_LENGTH) +#define SIZE_MASK 0x1f + +#define DEVID_SHIFT 32 +#define DEVID_MASK MAKE_64BIT_MASK(32, 32) + +#define VALID_SHIFT 63 +#define CMD_FIELD_VALID_MASK (1ULL << VALID_SHIFT) +#define L2_TABLE_VALID_MASK CMD_FIELD_VALID_MASK +#define TABLE_ENTRY_VALID_MASK (1ULL << 0) /** * Default features advertised by this version of ITS @@ -337,6 +374,9 @@ FIELD(GITS_TYPER, CIL, 36, 1) * Valid = 1 bit,ITTAddr = 44 bits,Size = 5 bits */ #define GITS_DTE_SIZE (0x8ULL) +#define GITS_DTE_ITTADDR_SHIFT 6 +#define GITS_DTE_ITTADDR_MASK MAKE_64BIT_MASK(GITS_DTE_ITTADDR_SHIFT, \ + ITTADDR_LENGTH) /* * 8 bytes Collection Table Entry size |