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Differential D25665 Diff 74517 sys/x86/iommu/intel_dmar.h

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sys/x86/iommu/intel_dmar.h

Show First 20 Lines • Show All 71 Lines • ▼ Show 20 Lines iommu_gaddr_t end; /* (c) Highest address + 1 in
the guest AS */ the guest AS */
u_int ctx_cnt; /* (u) Number of contexts owned */ u_int ctx_cnt; /* (u) Number of contexts owned */
u_int refs; /* (u) Refs, including ctx */ u_int refs; /* (u) Refs, including ctx */
struct dmar_unit *dmar; /* (c) */ struct dmar_unit *dmar; /* (c) */
LIST_ENTRY(dmar_domain) link; /* (u) Member in the dmar list */ LIST_ENTRY(dmar_domain) link; /* (u) Member in the dmar list */
LIST_HEAD(, dmar_ctx) contexts; /* (u) */ LIST_HEAD(, dmar_ctx) contexts; /* (u) */
vm_object_t pgtbl_obj; /* (c) Page table pages */ vm_object_t pgtbl_obj; /* (c) Page table pages */
u_int flags; /* (u) */ u_int flags; /* (u) */
u_int entries_cnt; /* (d) */
struct dmar_gas_entries_tree rb_root; /* (d) */ struct dmar_gas_entries_tree rb_root; /* (d) */
kibUnsubmitted
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So what is the plan WRT intel_gas.c, which is probably the most useful MI part of the dmar driver ?

kib: So what is the plan WRT intel_gas.c, which is probably the most useful MI part of the dmar…
brAuthorUnsubmitted
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splitting-out GAS is my next step. Please look at this first:
https://reviews.freebsd.org/D25720

br: splitting-out GAS is my next step. Please look at this first: https://reviews.freebsd.org/D25720
struct iommu_map_entry *first_place, *last_place; /* (d) */ struct iommu_map_entry *first_place, *last_place; /* (d) */
u_int batch_no; u_int batch_no;
}; };
struct dmar_ctx { struct dmar_ctx {
struct iommu_ctx context; struct iommu_ctx context;
uint16_t rid; /* (c) pci RID */ uint16_t rid; /* (c) pci RID */
uint64_t last_fault_rec[2]; /* Last fault reported */ uint64_t last_fault_rec[2]; /* Last fault reported */
▲ Show 20 Lines • Show All 363 Lines • ▼ Show 20 Lines#ifdef __i386__
volatile uint32_t *p; volatile uint32_t *p;
p = (volatile uint32_t *)dst; p = (volatile uint32_t *)dst;
*p = 0; *p = 0;
*(p + 1) = 0; *(p + 1) = 0;
#else #else
*dst = 0; *dst = 0;
#endif #endif
}
static inline bool
iommu_test_boundary(iommu_gaddr_t start, iommu_gaddr_t size,
iommu_gaddr_t boundary)
{
if (boundary == 0)
return (true);
return (start + size <= ((start + boundary) & ~(boundary - 1)));
} }
extern struct timespec dmar_hw_timeout; extern struct timespec dmar_hw_timeout;
#define DMAR_WAIT_UNTIL(cond) \ #define DMAR_WAIT_UNTIL(cond) \
{ \ { \
struct timespec last, curr; \ struct timespec last, curr; \
bool forever; \ bool forever; \
Show All 37 Lines