vt_vga: check if VGA is available from ACPI FADT table
ClosedPublic
Actions

Authored by royger on Feb 16 2018, 4:39 PM.

Details

Reviewers

dumbbell
marcel
emaste

Commits

rS330834: vt_vga: check if VGA is available from ACPI FADT table

Summary

On x86 the IA-PC Boot Flags in the FADT can signal whether VGA is
available or not.

Diff Detail

Repository

rS FreeBSD src repository - subversion

Lint

Lint Not Applicable

Unit

Tests Not Applicable

Event Timeline

royger created this revision.Feb 16 2018, 4:39 PM

LGTM.

This revision is now accepted and ready to land.Feb 17 2018, 5:20 PM

Closed by commit rS330834: vt_vga: check if VGA is available from ACPI FADT table (authored by royger). · Explain WhyMar 13 2018, 9:39 AM

This revision was automatically updated to reflect the committed changes.

Herald added a subscriber: imp. · View Herald TranscriptMar 13 2018, 9:39 AM

Revision Contents
Changeset List

Path

Size

head/

sys/

dev/

vt/

hw/

vga/

vt_vga.c

36 lines

Diff 40237

View Options

head/sys/dev/vt/hw/vga/vt_vga.c

Show First 20 Lines • Show All 78 Lines • ▼ Show 20 Lines
#endif		#endif

struct vm_batchqueue {		struct vm_batchqueue {
vm_page_t bq_pa[VM_BATCHQUEUE_SIZE];		vm_page_t bq_pa[VM_BATCHQUEUE_SIZE];
int bq_cnt;		int bq_cnt;
} __aligned(CACHE_LINE_SIZE);		} __aligned(CACHE_LINE_SIZE);

#include <vm/uma.h>		#include <vm/uma.h>
		#include <sys/_blockcount.h>
#include <sys/pidctrl.h>		#include <sys/pidctrl.h>
struct sysctl_oid;		struct sysctl_oid;

/*		/*
* One vm_domain per NUMA domain. Contains pagequeues, free page structures,		* One vm_domain per NUMA domain. Contains pagequeues, free page structures,
* and accounting.		* and accounting.
*		*
* Lock Key:		* Lock Key:
▲ Show 20 Lines • Show All 154 Lines • ▼ Show 20 Lines	struct vm_domain {
long vmd_segs; /* (c) bitmask of the segments */		long vmd_segs; /* (c) bitmask of the segments */
u_int __aligned(CACHE_LINE_SIZE) vmd_free_count; /* (a,f) free page count */		u_int __aligned(CACHE_LINE_SIZE) vmd_free_count; /* (a,f) free page count */
u_int vmd_pageout_deficit; /* (a) Estimated number of pages deficit */		u_int vmd_pageout_deficit; /* (a) Estimated number of pages deficit */
uint8_t vmd_pad[CACHE_LINE_SIZE - (sizeof(u_int) * 2)];		uint8_t vmd_pad[CACHE_LINE_SIZE - (sizeof(u_int) * 2)];

/* Paging control variables, used within single threaded page daemon. */		/* Paging control variables, used within single threaded page daemon. */
struct pidctrl vmd_pid; /* Pageout controller. */		struct pidctrl vmd_pid; /* Pageout controller. */
boolean_t vmd_oom;		boolean_t vmd_oom;
		u_int vmd_inactive_threads;
		u_int vmd_inactive_shortage; /* Per-thread shortage. */
		blockcount_t vmd_inactive_running; /* Number of inactive threads. */
		blockcount_t vmd_inactive_starting; /* Number of threads started. */
		volatile u_int vmd_addl_shortage; /* Shortage accumulator. */
		volatile u_int vmd_inactive_freed; /* Successful inactive frees. */
		volatile u_int vmd_inactive_us; /* Microseconds for above. */
		u_int vmd_inactive_pps; /* Exponential decay frees/second. */
int vmd_oom_seq;		int vmd_oom_seq;
int vmd_last_active_scan;		int vmd_last_active_scan;
struct vm_page vmd_markers[PQ_COUNT]; /* (q) markers for queue scans */		struct vm_page vmd_markers[PQ_COUNT]; /* (q) markers for queue scans */
struct vm_page vmd_inacthead; /* marker for LRU-defeating insertions */		struct vm_page vmd_inacthead; /* marker for LRU-defeating insertions */
struct vm_page vmd_clock[2]; /* markers for active queue scan */		struct vm_page vmd_clock[2]; /* markers for active queue scan */

int vmd_pageout_wanted; /* (a, p) pageout daemon wait channel */		int vmd_pageout_wanted; /* (a, p) pageout daemon wait channel */
int vmd_pageout_pages_needed; /* (d) page daemon waiting for pages? */		int vmd_pageout_pages_needed; /* (d) page daemon waiting for pages? */
▲ Show 20 Lines • Show All 195 Lines • Show Last 20 Lines

vt_vga: check if VGA is available from ACPI FADT tableClosedPublicActions