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Move structures only used by the GICv3 ITS driver from a shared header to

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the ITS driver file. There is no need for other drivers to need to know
about these structures.

Obtained from:	ABT Systems Ltd
MFC after:	1 month
Sponsored by:	The FreeBSD Foundation
This commit is contained in:
Andrew Turner 2016-07-14 17:10:54 +00:00
parent b30fd6a080
commit a509d56d7f
2 changed files with 77 additions and 81 deletions
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81
sys/arm64/arm64/gic_v3_var.h
View File

@ -107,87 +107,6 @@ uint64_t gic_r_read_8(device_t, bus_size_t);
void gic_r_write_4(device_t, bus_size_t, uint32_t var);
void gic_r_write_8(device_t, bus_size_t, uint64_t var);
/*
* ITS
*/
/* LPI chunk owned by ITS device */
struct lpi_chunk {
u_int lpi_base;
u_int lpi_free; /* First free LPI in set */
u_int lpi_num; /* Total number of LPIs in chunk */
u_int lpi_busy; /* Number of busy LPIs in chink */
};
/* ITS device */
struct its_dev {
TAILQ_ENTRY(its_dev) entry;
/* PCI device */
device_t pci_dev;
/* Device ID (i.e. PCI device ID) */
uint32_t devid;
/* List of assigned LPIs */
struct lpi_chunk lpis;
/* Virtual address of ITT */
vm_offset_t itt;
size_t itt_size;
};
/*
* ITS command descriptor.
* Idea for command description passing taken from Linux.
*/
struct its_cmd_desc {
uint8_t cmd_type;
union {
struct {
struct its_dev *its_dev;
struct its_col *col;
uint32_t id;
} cmd_desc_movi;
struct {
struct its_col *col;
} cmd_desc_sync;
struct {
struct its_col *col;
uint8_t valid;
} cmd_desc_mapc;
struct {
struct its_dev *its_dev;
struct its_col *col;
uint32_t pid;
uint32_t id;
} cmd_desc_mapvi;
struct {
struct its_dev *its_dev;
struct its_col *col;
uint32_t pid;
} cmd_desc_mapi;
struct {
struct its_dev *its_dev;
uint8_t valid;
} cmd_desc_mapd;
struct {
struct its_dev *its_dev;
struct its_col *col;
uint32_t pid;
} cmd_desc_inv;
struct {
struct its_col *col;
} cmd_desc_invall;
};
};
#define ITS_TARGET_NONE 0xFBADBEEF
/*
* GIC Distributor accessors.
* Notice that only GIC sofc can be passed.

77
sys/arm64/arm64/gicv3_its.c
View File

@ -123,6 +123,83 @@ MALLOC_DEFINE(M_GICV3_ITS, "GICv3 ITS",
#define CMD_VALID_SHIFT (63)
#define CMD_VALID_MASK (1UL << CMD_VALID_SHIFT)
#define ITS_TARGET_NONE 0xFBADBEEF
/* LPI chunk owned by ITS device */
struct lpi_chunk {
u_int lpi_base;
u_int lpi_free; /* First free LPI in set */
u_int lpi_num; /* Total number of LPIs in chunk */
u_int lpi_busy; /* Number of busy LPIs in chink */
};
/* ITS device */
struct its_dev {
TAILQ_ENTRY(its_dev) entry;
/* PCI device */
device_t pci_dev;
/* Device ID (i.e. PCI device ID) */
uint32_t devid;
/* List of assigned LPIs */
struct lpi_chunk lpis;
/* Virtual address of ITT */
vm_offset_t itt;
size_t itt_size;
};
/*
* ITS command descriptor.
* Idea for command description passing taken from Linux.
*/
struct its_cmd_desc {
uint8_t cmd_type;
union {
struct {
struct its_dev *its_dev;
struct its_col *col;
uint32_t id;
} cmd_desc_movi;
struct {
struct its_col *col;
} cmd_desc_sync;
struct {
struct its_col *col;
uint8_t valid;
} cmd_desc_mapc;
struct {
struct its_dev *its_dev;
struct its_col *col;
uint32_t pid;
uint32_t id;
} cmd_desc_mapvi;
struct {
struct its_dev *its_dev;
struct its_col *col;
uint32_t pid;
} cmd_desc_mapi;
struct {
struct its_dev *its_dev;
uint8_t valid;
} cmd_desc_mapd;
struct {
struct its_dev *its_dev;
struct its_col *col;
uint32_t pid;
} cmd_desc_inv;
struct {
struct its_col *col;
} cmd_desc_invall;
};
};
/* ITS command. Each command is 32 bytes long */
struct its_cmd {
uint64_t cmd_dword[4]; /* ITS command double word */