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Merge tag 'drm-intel-fixes-2017-03-09' of git://anongit.freedesktop.org/git/drm-intel into drm-fixes 

flushing out gvt-g fixes

* tag 'drm-intel-fixes-2017-03-09' of git://anongit.freedesktop.org/git/drm-intel: (29 commits)
  drm/i915/gvt: change some gvt_err to gvt_dbg_cmd
  drm/i915/gvt: protect RO and Rsvd bits of virtual vgpu configuration space
  drm/i915/gvt: handle workload lifecycle properly
  drm/i915/gvt: fix an error for F_RO flag
  drm/i915/gvt: use pfn_valid for better checking
  drm/i915/gvt: set SFUSE_STRAP properly for vitual monitor detection
  drm/i915/gvt: fix an error for one register
  drm/i915/gvt: add more registers into handlers list
  drm/i915/gvt: have more registers with F_CMD_ACCESS flags set
  drm/i915/gvt: add some new MMIOs to cmd_access white list
  drm/i915/gvt: fix pcode mailbox write emulation of BDW
  drm/i915/gvt: add resolution definition for vGPU type
  drm/i915/gvt: Add more edid definition support
  drm/i915/gvt: adjust to fixed vGPU types
  drm/i915/gvt: remove unnecessary error msg from gtt write
  drm/i915/gvt: refine pcode write emulation
  drm/i915/gvt: clear the vGPU reset logic
  drm/i915/gvt: decrease priority of output msg for untracked mmio
  drm/i915/gvt: set default value to 0 for unhandled mmio regs
  drm/i915/gvt: add cmd_access to GEN7_HALF_SLICE_CHICKEN1
  ...
This commit is contained in:
Dave Airlie 2017-03-10 11:07:13 +10:00
parent aa717ae1b6 70647f9163
commit 31aec642c4
14 changed files with 681 additions and 251 deletions
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57
drivers/gpu/drm/i915/gvt/cfg_space.c
View File

@ -41,6 +41,54 @@ enum {
INTEL_GVT_PCI_BAR_MAX,
};
/* bitmap for writable bits (RW or RW1C bits, but cannot co-exist in one
* byte) byte by byte in standard pci configuration space. (not the full
* 256 bytes.)
*/
static const u8 pci_cfg_space_rw_bmp[PCI_INTERRUPT_LINE + 4] = {
[PCI_COMMAND] = 0xff, 0x07,
[PCI_STATUS] = 0x00, 0xf9, /* the only one RW1C byte */
[PCI_CACHE_LINE_SIZE] = 0xff,
[PCI_BASE_ADDRESS_0 ... PCI_CARDBUS_CIS - 1] = 0xff,
[PCI_ROM_ADDRESS] = 0x01, 0xf8, 0xff, 0xff,
[PCI_INTERRUPT_LINE] = 0xff,
};
/**
* vgpu_pci_cfg_mem_write - write virtual cfg space memory
*
* Use this function to write virtual cfg space memory.
* For standard cfg space, only RW bits can be changed,
* and we emulates the RW1C behavior of PCI_STATUS register.
*/
static void vgpu_pci_cfg_mem_write(struct intel_vgpu *vgpu, unsigned int off,
u8 *src, unsigned int bytes)
{
u8 *cfg_base = vgpu_cfg_space(vgpu);
u8 mask, new, old;
int i = 0;
for (; i < bytes && (off + i < sizeof(pci_cfg_space_rw_bmp)); i++) {
mask = pci_cfg_space_rw_bmp[off + i];
old = cfg_base[off + i];
new = src[i] & mask;
/**
* The PCI_STATUS high byte has RW1C bits, here
* emulates clear by writing 1 for these bits.
* Writing a 0b to RW1C bits has no effect.
*/
if (off + i == PCI_STATUS + 1)
new = (~new & old) & mask;
cfg_base[off + i] = (old & ~mask) | new;
}
/* For other configuration space directly copy as it is. */
if (i < bytes)
memcpy(cfg_base + off + i, src + i, bytes - i);
}
/**
* intel_vgpu_emulate_cfg_read - emulate vGPU configuration space read
*
@ -123,7 +171,7 @@ static int emulate_pci_command_write(struct intel_vgpu *vgpu,
u8 changed = old ^ new;
int ret;
memcpy(vgpu_cfg_space(vgpu) + offset, p_data, bytes);
vgpu_pci_cfg_mem_write(vgpu, offset, p_data, bytes);
if (!(changed & PCI_COMMAND_MEMORY))
return 0;
@ -237,6 +285,9 @@ int intel_vgpu_emulate_cfg_write(struct intel_vgpu *vgpu, unsigned int offset,
{
int ret;
if (vgpu->failsafe)
return 0;
if (WARN_ON(bytes > 4))
return -EINVAL;
@ -274,10 +325,10 @@ int intel_vgpu_emulate_cfg_write(struct intel_vgpu *vgpu, unsigned int offset,
if (ret)
return ret;
memcpy(vgpu_cfg_space(vgpu) + offset, p_data, bytes);
vgpu_pci_cfg_mem_write(vgpu, offset, p_data, bytes);
break;
default:
memcpy(vgpu_cfg_space(vgpu) + offset, p_data, bytes);
vgpu_pci_cfg_mem_write(vgpu, offset, p_data, bytes);
break;
}
return 0;

10
drivers/gpu/drm/i915/gvt/cmd_parser.c
View File

@ -668,7 +668,7 @@ static inline void print_opcode(u32 cmd, int ring_id)
if (d_info == NULL)
return;
gvt_err("opcode=0x%x %s sub_ops:",
gvt_dbg_cmd("opcode=0x%x %s sub_ops:",
cmd >> (32 - d_info->op_len), d_info->name);
for (i = 0; i < d_info->nr_sub_op; i++)
@ -693,23 +693,23 @@ static void parser_exec_state_dump(struct parser_exec_state *s)
int cnt = 0;
int i;
gvt_err(" vgpu%d RING%d: ring_start(%08lx) ring_end(%08lx)"
gvt_dbg_cmd(" vgpu%d RING%d: ring_start(%08lx) ring_end(%08lx)"
" ring_head(%08lx) ring_tail(%08lx)\n", s->vgpu->id,
s->ring_id, s->ring_start, s->ring_start + s->ring_size,
s->ring_head, s->ring_tail);
gvt_err(" %s %s ip_gma(%08lx) ",
gvt_dbg_cmd(" %s %s ip_gma(%08lx) ",
s->buf_type == RING_BUFFER_INSTRUCTION ?
"RING_BUFFER" : "BATCH_BUFFER",
s->buf_addr_type == GTT_BUFFER ?
"GTT" : "PPGTT", s->ip_gma);
if (s->ip_va == NULL) {
gvt_err(" ip_va(NULL)");
gvt_dbg_cmd(" ip_va(NULL)");
return;
}
gvt_err(" ip_va=%p: %08x %08x %08x %08x\n",
gvt_dbg_cmd(" ip_va=%p: %08x %08x %08x %08x\n",
s->ip_va, cmd_val(s, 0), cmd_val(s, 1),
cmd_val(s, 2), cmd_val(s, 3));

139
drivers/gpu/drm/i915/gvt/display.c
View File

@ -83,44 +83,80 @@ static int pipe_is_enabled(struct intel_vgpu *vgpu, int pipe)
return 0;
}
static unsigned char virtual_dp_monitor_edid[GVT_EDID_NUM][EDID_SIZE] = {
{
/* EDID with 1024x768 as its resolution */
/*Header*/
0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
/* Vendor & Product Identification */
0x22, 0xf0, 0x54, 0x29, 0x00, 0x00, 0x00, 0x00, 0x04, 0x17,
/* Version & Revision */
0x01, 0x04,
/* Basic Display Parameters & Features */
0xa5, 0x34, 0x20, 0x78, 0x23,
/* Color Characteristics */
0xfc, 0x81, 0xa4, 0x55, 0x4d, 0x9d, 0x25, 0x12, 0x50, 0x54,
/* Established Timings: maximum resolution is 1024x768 */
0x21, 0x08, 0x00,
/* Standard Timings. All invalid */
0x00, 0xc0, 0x00, 0xc0, 0x00, 0x40, 0x00, 0x80, 0x00, 0x00,
0x00, 0x40, 0x00, 0x00, 0x00, 0x01,
/* 18 Byte Data Blocks 1: invalid */
0x00, 0x00, 0x80, 0xa0, 0x70, 0xb0,
0x23, 0x40, 0x30, 0x20, 0x36, 0x00, 0x06, 0x44, 0x21, 0x00, 0x00, 0x1a,
/* 18 Byte Data Blocks 2: invalid */
0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x3c, 0x18, 0x50, 0x11, 0x00, 0x0a,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
/* 18 Byte Data Blocks 3: invalid */
0x00, 0x00, 0x00, 0xfc, 0x00, 0x48,
0x50, 0x20, 0x5a, 0x52, 0x32, 0x34, 0x34, 0x30, 0x77, 0x0a, 0x20, 0x20,
/* 18 Byte Data Blocks 4: invalid */
0x00, 0x00, 0x00, 0xff, 0x00, 0x43, 0x4e, 0x34, 0x33, 0x30, 0x34, 0x30,
0x44, 0x58, 0x51, 0x0a, 0x20, 0x20,
/* Extension Block Count */
0x00,
/* Checksum */
0xef,
},
{
/* EDID with 1920x1200 as its resolution */
static unsigned char virtual_dp_monitor_edid[] = {
/*Header*/
0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
/* Vendor & Product Identification */
0x22, 0xf0, 0x54, 0x29, 0x00, 0x00, 0x00, 0x00, 0x04, 0x17,
/* Version & Revision */
0x01, 0x04,
/* Basic Display Parameters & Features */
0xa5, 0x34, 0x20, 0x78, 0x23,
/* Color Characteristics */
0xfc, 0x81, 0xa4, 0x55, 0x4d, 0x9d, 0x25, 0x12, 0x50, 0x54,
/* Established Timings: maximum resolution is 1024x768 */
0x21, 0x08, 0x00,
/*
* Standard Timings.
* below new resolutions can be supported:
* 1920x1080, 1280x720, 1280x960, 1280x1024,
* 1440x900, 1600x1200, 1680x1050
*/
0xd1, 0xc0, 0x81, 0xc0, 0x81, 0x40, 0x81, 0x80, 0x95, 0x00,
0xa9, 0x40, 0xb3, 0x00, 0x01, 0x01,
/* 18 Byte Data Blocks 1: max resolution is 1920x1200 */
0x28, 0x3c, 0x80, 0xa0, 0x70, 0xb0,
0x23, 0x40, 0x30, 0x20, 0x36, 0x00, 0x06, 0x44, 0x21, 0x00, 0x00, 0x1a,
/* 18 Byte Data Blocks 2: invalid */
0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x3c, 0x18, 0x50, 0x11, 0x00, 0x0a,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
/* 18 Byte Data Blocks 3: invalid */
0x00, 0x00, 0x00, 0xfc, 0x00, 0x48,
0x50, 0x20, 0x5a, 0x52, 0x32, 0x34, 0x34, 0x30, 0x77, 0x0a, 0x20, 0x20,
/* 18 Byte Data Blocks 4: invalid */
0x00, 0x00, 0x00, 0xff, 0x00, 0x43, 0x4e, 0x34, 0x33, 0x30, 0x34, 0x30,
0x44, 0x58, 0x51, 0x0a, 0x20, 0x20,
/* Extension Block Count */
0x00,
/* Checksum */
0x45,
/*Header*/
0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00,
/* Vendor & Product Identification */
0x22, 0xf0, 0x54, 0x29, 0x00, 0x00, 0x00, 0x00, 0x04, 0x17,
/* Version & Revision */
0x01, 0x04,
/* Basic Display Parameters & Features */
0xa5, 0x34, 0x20, 0x78, 0x23,
/* Color Characteristics */
0xfc, 0x81, 0xa4, 0x55, 0x4d, 0x9d, 0x25, 0x12, 0x50, 0x54,
/* Established Timings: maximum resolution is 1024x768 */
0x21, 0x08, 0x00,
/*
* Standard Timings.
* below new resolutions can be supported:
* 1920x1080, 1280x720, 1280x960, 1280x1024,
* 1440x900, 1600x1200, 1680x1050
*/
0xd1, 0xc0, 0x81, 0xc0, 0x81, 0x40, 0x81, 0x80, 0x95, 0x00,
0xa9, 0x40, 0xb3, 0x00, 0x01, 0x01,
/* 18 Byte Data Blocks 1: max resolution is 1920x1200 */
0x28, 0x3c, 0x80, 0xa0, 0x70, 0xb0,
0x23, 0x40, 0x30, 0x20, 0x36, 0x00, 0x06, 0x44, 0x21, 0x00, 0x00, 0x1a,
/* 18 Byte Data Blocks 2: invalid */
0x00, 0x00, 0x00, 0xfd, 0x00, 0x18, 0x3c, 0x18, 0x50, 0x11, 0x00, 0x0a,
0x20, 0x20, 0x20, 0x20, 0x20, 0x20,
/* 18 Byte Data Blocks 3: invalid */
0x00, 0x00, 0x00, 0xfc, 0x00, 0x48,
0x50, 0x20, 0x5a, 0x52, 0x32, 0x34, 0x34, 0x30, 0x77, 0x0a, 0x20, 0x20,
/* 18 Byte Data Blocks 4: invalid */
0x00, 0x00, 0x00, 0xff, 0x00, 0x43, 0x4e, 0x34, 0x33, 0x30, 0x34, 0x30,
0x44, 0x58, 0x51, 0x0a, 0x20, 0x20,
/* Extension Block Count */
0x00,
/* Checksum */
0x45,
},
};
#define DPCD_HEADER_SIZE 0xb
@ -140,14 +176,20 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
vgpu_vreg(vgpu, SDEISR) &= ~(SDE_PORTA_HOTPLUG_SPT |
SDE_PORTE_HOTPLUG_SPT);
if (intel_vgpu_has_monitor_on_port(vgpu, PORT_B))
if (intel_vgpu_has_monitor_on_port(vgpu, PORT_B)) {
vgpu_vreg(vgpu, SDEISR) |= SDE_PORTB_HOTPLUG_CPT;
vgpu_vreg(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIB_DETECTED;
}
if (intel_vgpu_has_monitor_on_port(vgpu, PORT_C))
if (intel_vgpu_has_monitor_on_port(vgpu, PORT_C)) {
vgpu_vreg(vgpu, SDEISR) |= SDE_PORTC_HOTPLUG_CPT;
vgpu_vreg(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDIC_DETECTED;
}
if (intel_vgpu_has_monitor_on_port(vgpu, PORT_D))
if (intel_vgpu_has_monitor_on_port(vgpu, PORT_D)) {
vgpu_vreg(vgpu, SDEISR) |= SDE_PORTD_HOTPLUG_CPT;
vgpu_vreg(vgpu, SFUSE_STRAP) |= SFUSE_STRAP_DDID_DETECTED;
}
if (IS_SKYLAKE(dev_priv) &&
intel_vgpu_has_monitor_on_port(vgpu, PORT_E)) {
@ -160,6 +202,8 @@ static void emulate_monitor_status_change(struct intel_vgpu *vgpu)
GEN8_PORT_DP_A_HOTPLUG;
else
vgpu_vreg(vgpu, SDEISR) |= SDE_PORTA_HOTPLUG_SPT;
vgpu_vreg(vgpu, DDI_BUF_CTL(PORT_A)) |= DDI_INIT_DISPLAY_DETECTED;
}
}
@ -175,10 +219,13 @@ static void clean_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num)
}
static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num,
int type)
int type, unsigned int resolution)
{
struct intel_vgpu_port *port = intel_vgpu_port(vgpu, port_num);
if (WARN_ON(resolution >= GVT_EDID_NUM))
return -EINVAL;
port->edid = kzalloc(sizeof(*(port->edid)), GFP_KERNEL);
if (!port->edid)
return -ENOMEM;
@ -189,7 +236,7 @@ static int setup_virtual_dp_monitor(struct intel_vgpu *vgpu, int port_num,
return -ENOMEM;
}
memcpy(port->edid->edid_block, virtual_dp_monitor_edid,
memcpy(port->edid->edid_block, virtual_dp_monitor_edid[resolution],
EDID_SIZE);
port->edid->data_valid = true;
@ -322,16 +369,18 @@ void intel_vgpu_clean_display(struct intel_vgpu *vgpu)
* Zero on success, negative error code if failed.
*
*/
int intel_vgpu_init_display(struct intel_vgpu *vgpu)
int intel_vgpu_init_display(struct intel_vgpu *vgpu, u64 resolution)
{
struct drm_i915_private *dev_priv = vgpu->gvt->dev_priv;
intel_vgpu_init_i2c_edid(vgpu);
if (IS_SKYLAKE(dev_priv))
return setup_virtual_dp_monitor(vgpu, PORT_D, GVT_DP_D);
return setup_virtual_dp_monitor(vgpu, PORT_D, GVT_DP_D,
resolution);
else
return setup_virtual_dp_monitor(vgpu, PORT_B, GVT_DP_B);
return setup_virtual_dp_monitor(vgpu, PORT_B, GVT_DP_B,
resolution);
}
/**

20
drivers/gpu/drm/i915/gvt/display.h
View File

@ -154,10 +154,28 @@ struct intel_vgpu_port {
int type;
};
enum intel_vgpu_edid {
GVT_EDID_1024_768,
GVT_EDID_1920_1200,
GVT_EDID_NUM,
};
static inline char *vgpu_edid_str(enum intel_vgpu_edid id)
{
switch (id) {
case GVT_EDID_1024_768:
return "1024x768";
case GVT_EDID_1920_1200:
return "1920x1200";
default:
return "";
}
}
void intel_gvt_emulate_vblank(struct intel_gvt *gvt);
void intel_gvt_check_vblank_emulation(struct intel_gvt *gvt);
int intel_vgpu_init_display(struct intel_vgpu *vgpu);
int intel_vgpu_init_display(struct intel_vgpu *vgpu, u64 resolution);
void intel_vgpu_reset_display(struct intel_vgpu *vgpu);
void intel_vgpu_clean_display(struct intel_vgpu *vgpu);

2
drivers/gpu/drm/i915/gvt/firmware.c
View File

@ -80,7 +80,7 @@ static int expose_firmware_sysfs(struct intel_gvt *gvt)
int ret;
size = sizeof(*h) + info->mmio_size + info->cfg_space_size - 1;
firmware = vmalloc(size);
firmware = vzalloc(size);
if (!firmware)
return -ENOMEM;

40
drivers/gpu/drm/i915/gvt/gtt.c
View File

@ -1825,11 +1825,8 @@ static int emulate_gtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off,
gma = g_gtt_index << GTT_PAGE_SHIFT;
/* the VM may configure the whole GM space when ballooning is used */
if (WARN_ONCE(!vgpu_gmadr_is_valid(vgpu, gma),
"vgpu%d: found oob ggtt write, offset %x\n",
vgpu->id, off)) {
if (!vgpu_gmadr_is_valid(vgpu, gma))
return 0;
}
ggtt_get_guest_entry(ggtt_mm, &e, g_gtt_index);
@ -2015,6 +2012,22 @@ int intel_vgpu_init_gtt(struct intel_vgpu *vgpu)
return create_scratch_page_tree(vgpu);
}
static void intel_vgpu_free_mm(struct intel_vgpu *vgpu, int type)
{
struct list_head *pos, *n;
struct intel_vgpu_mm *mm;
list_for_each_safe(pos, n, &vgpu->gtt.mm_list_head) {
mm = container_of(pos, struct intel_vgpu_mm, list);
if (mm->type == type) {
vgpu->gvt->gtt.mm_free_page_table(mm);
list_del(&mm->list);
list_del(&mm->lru_list);
kfree(mm);
}
}
}
/**
* intel_vgpu_clean_gtt - clean up per-vGPU graphics memory virulization
* @vgpu: a vGPU
@ -2027,19 +2040,11 @@ int intel_vgpu_init_gtt(struct intel_vgpu *vgpu)
*/
void intel_vgpu_clean_gtt(struct intel_vgpu *vgpu)
{
struct list_head *pos, *n;
struct intel_vgpu_mm *mm;
ppgtt_free_all_shadow_page(vgpu);
release_scratch_page_tree(vgpu);
list_for_each_safe(pos, n, &vgpu->gtt.mm_list_head) {
mm = container_of(pos, struct intel_vgpu_mm, list);
vgpu->gvt->gtt.mm_free_page_table(mm);
list_del(&mm->list);
list_del(&mm->lru_list);
kfree(mm);
}
intel_vgpu_free_mm(vgpu, INTEL_GVT_MM_PPGTT);
intel_vgpu_free_mm(vgpu, INTEL_GVT_MM_GGTT);
}
static void clean_spt_oos(struct intel_gvt *gvt)
@ -2322,6 +2327,13 @@ void intel_vgpu_reset_gtt(struct intel_vgpu *vgpu, bool dmlr)
int i;
ppgtt_free_all_shadow_page(vgpu);
/* Shadow pages are only created when there is no page
* table tracking data, so remove page tracking data after
* removing the shadow pages.
*/
intel_vgpu_free_mm(vgpu, INTEL_GVT_MM_PPGTT);
if (!dmlr)
return;

12
drivers/gpu/drm/i915/gvt/gvt.h
View File

@ -143,6 +143,8 @@ struct intel_vgpu {
int id;
unsigned long handle; /* vGPU handle used by hypervisor MPT modules */
bool active;
bool pv_notified;
bool failsafe;
bool resetting;
void *sched_data;
@ -203,18 +205,18 @@ struct intel_gvt_firmware {
};
struct intel_gvt_opregion {
void __iomem *opregion_va;
void *opregion_va;
u32 opregion_pa;
};
#define NR_MAX_INTEL_VGPU_TYPES 20
struct intel_vgpu_type {
char name[16];
unsigned int max_instance;
unsigned int avail_instance;
unsigned int low_gm_size;
unsigned int high_gm_size;
unsigned int fence;
enum intel_vgpu_edid resolution;
};
struct intel_gvt {
@ -317,6 +319,7 @@ struct intel_vgpu_creation_params {
__u64 low_gm_sz; /* in MB */
__u64 high_gm_sz; /* in MB */
__u64 fence_sz;
__u64 resolution;
__s32 primary;
__u64 vgpu_id;
};
@ -449,6 +452,11 @@ struct intel_gvt_ops {
};
enum {
GVT_FAILSAFE_UNSUPPORTED_GUEST,
GVT_FAILSAFE_INSUFFICIENT_RESOURCE,
};
#include "mpt.h"
#endif

429
drivers/gpu/drm/i915/gvt/handlers.c
View File

@ -121,6 +121,7 @@ static int new_mmio_info(struct intel_gvt *gvt,
info->size = size;
info->length = (i + 4) < end ? 4 : (end - i);
info->addr_mask = addr_mask;
info->ro_mask = ro_mask;
info->device = device;
info->read = read ? read : intel_vgpu_default_mmio_read;
info->write = write ? write : intel_vgpu_default_mmio_write;
@ -150,15 +151,44 @@ static int render_mmio_to_ring_id(struct intel_gvt *gvt, unsigned int reg)
#define fence_num_to_offset(num) \
(num * 8 + i915_mmio_reg_offset(FENCE_REG_GEN6_LO(0)))
static void enter_failsafe_mode(struct intel_vgpu *vgpu, int reason)
{
switch (reason) {
case GVT_FAILSAFE_UNSUPPORTED_GUEST:
pr_err("Detected your guest driver doesn't support GVT-g.\n");
break;
case GVT_FAILSAFE_INSUFFICIENT_RESOURCE:
pr_err("Graphics resource is not enough for the guest\n");
default:
break;
}
pr_err("Now vgpu %d will enter failsafe mode.\n", vgpu->id);
vgpu->failsafe = true;
}
static int sanitize_fence_mmio_access(struct intel_vgpu *vgpu,
unsigned int fence_num, void *p_data, unsigned int bytes)
{
if (fence_num >= vgpu_fence_sz(vgpu)) {
gvt_err("vgpu%d: found oob fence register access\n",
vgpu->id);
gvt_err("vgpu%d: total fence num %d access fence num %d\n",
vgpu->id, vgpu_fence_sz(vgpu), fence_num);
/* When guest access oob fence regs without access
* pv_info first, we treat guest not supporting GVT,
* and we will let vgpu enter failsafe mode.
*/
if (!vgpu->pv_notified)
enter_failsafe_mode(vgpu,
GVT_FAILSAFE_UNSUPPORTED_GUEST);
if (!vgpu->mmio.disable_warn_untrack) {
gvt_err("vgpu%d: found oob fence register access\n",
vgpu->id);
gvt_err("vgpu%d: total fence %d, access fence %d\n",
vgpu->id, vgpu_fence_sz(vgpu),
fence_num);
}
memset(p_data, 0, bytes);
return -EINVAL;
}
return 0;
}
@ -369,6 +399,74 @@ static int pipeconf_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
return 0;
}
/* ascendingly sorted */
static i915_reg_t force_nonpriv_white_list[] = {
GEN9_CS_DEBUG_MODE1, //_MMIO(0x20ec)
GEN9_CTX_PREEMPT_REG,//_MMIO(0x2248)
GEN8_CS_CHICKEN1,//_MMIO(0x2580)
_MMIO(0x2690),
_MMIO(0x2694),
_MMIO(0x2698),
_MMIO(0x4de0),
_MMIO(0x4de4),
_MMIO(0x4dfc),
GEN7_COMMON_SLICE_CHICKEN1,//_MMIO(0x7010)
_MMIO(0x7014),
HDC_CHICKEN0,//_MMIO(0x7300)
GEN8_HDC_CHICKEN1,//_MMIO(0x7304)
_MMIO(0x7700),
_MMIO(0x7704),
_MMIO(0x7708),
_MMIO(0x770c),
_MMIO(0xb110),
GEN8_L3SQCREG4,//_MMIO(0xb118)
_MMIO(0xe100),
_MMIO(0xe18c),
_MMIO(0xe48c),
_MMIO(0xe5f4),
};
/* a simple bsearch */
static inline bool in_whitelist(unsigned int reg)
{
int left = 0, right = ARRAY_SIZE(force_nonpriv_white_list);
i915_reg_t *array = force_nonpriv_white_list;
while (left < right) {
int mid = (left + right)/2;
if (reg > array[mid].reg)
left = mid + 1;
else if (reg < array[mid].reg)
right = mid;
else
return true;
}
return false;
}
static int force_nonpriv_write(struct intel_vgpu *vgpu,
unsigned int offset, void *p_data, unsigned int bytes)
{
u32 reg_nonpriv = *(u32 *)p_data;
int ret = -EINVAL;
if ((bytes != 4) || ((offset & (bytes - 1)) != 0)) {
gvt_err("vgpu(%d) Invalid FORCE_NONPRIV offset %x(%dB)\n",
vgpu->id, offset, bytes);
return ret;
}
if (in_whitelist(reg_nonpriv)) {
ret = intel_vgpu_default_mmio_write(vgpu, offset, p_data,
bytes);
} else {
gvt_err("vgpu(%d) Invalid FORCE_NONPRIV write %x\n",
vgpu->id, reg_nonpriv);
}
return ret;
}
static int ddi_buf_ctl_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
void *p_data, unsigned int bytes)
{
@ -1001,6 +1099,7 @@ static int pvinfo_mmio_read(struct intel_vgpu *vgpu, unsigned int offset,
if (invalid_read)
gvt_err("invalid pvinfo read: [%x:%x] = %x\n",
offset, bytes, *(u32 *)p_data);
vgpu->pv_notified = true;
return 0;
}
@ -1039,7 +1138,7 @@ static int send_display_ready_uevent(struct intel_vgpu *vgpu, int ready)
char vmid_str[20];
char display_ready_str[20];
snprintf(display_ready_str, 20, "GVT_DISPLAY_READY=%d\n", ready);
snprintf(display_ready_str, 20, "GVT_DISPLAY_READY=%d", ready);
env[0] = display_ready_str;
snprintf(vmid_str, 20, "VMID=%d", vgpu->id);
@ -1078,6 +1177,9 @@ static int pvinfo_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
case _vgtif_reg(execlist_context_descriptor_lo):
case _vgtif_reg(execlist_context_descriptor_hi):
break;
case _vgtif_reg(rsv5[0])..._vgtif_reg(rsv5[3]):
enter_failsafe_mode(vgpu, GVT_FAILSAFE_INSUFFICIENT_RESOURCE);
break;
default:
gvt_err("invalid pvinfo write offset %x bytes %x data %x\n",
offset, bytes, data);
@ -1203,26 +1305,37 @@ static int mailbox_write(struct intel_vgpu *vgpu, unsigned int offset,
u32 *data0 = &vgpu_vreg(vgpu, GEN6_PCODE_DATA);
switch (cmd) {
case 0x6:
/**
* "Read memory latency" command on gen9.
* Below memory latency values are read
* from skylake platform.
*/
if (!*data0)
*data0 = 0x1e1a1100;
else
*data0 = 0x61514b3d;
case GEN9_PCODE_READ_MEM_LATENCY:
if (IS_SKYLAKE(vgpu->gvt->dev_priv)) {
/**
* "Read memory latency" command on gen9.
* Below memory latency values are read
* from skylake platform.
*/
if (!*data0)
*data0 = 0x1e1a1100;
else
*data0 = 0x61514b3d;
}
break;
case 0x5:
case SKL_PCODE_CDCLK_CONTROL:
if (IS_SKYLAKE(vgpu->gvt->dev_priv))
*data0 = SKL_CDCLK_READY_FOR_CHANGE;
break;
case GEN6_PCODE_READ_RC6VIDS:
*data0 |= 0x1;
break;
}
gvt_dbg_core("VM(%d) write %x to mailbox, return data0 %x\n",
vgpu->id, value, *data0);
value &= ~(1 << 31);
/**
* PCODE_READY clear means ready for pcode read/write,
* PCODE_ERROR_MASK clear means no error happened. In GVT-g we
* always emulate as pcode read/write success and ready for access
* anytime, since we don't touch real physical registers here.
*/
value &= ~(GEN6_PCODE_READY | GEN6_PCODE_ERROR_MASK);
return intel_vgpu_default_mmio_write(vgpu, offset, &value, bytes);
}
@ -1318,6 +1431,17 @@ static int ring_mode_mmio_write(struct intel_vgpu *vgpu, unsigned int offset,
bool enable_execlist;
write_vreg(vgpu, offset, p_data, bytes);
/* when PPGTT mode enabled, we will check if guest has called
* pvinfo, if not, we will treat this guest as non-gvtg-aware
* guest, and stop emulating its cfg space, mmio, gtt, etc.
*/
if (((data & _MASKED_BIT_ENABLE(GFX_PPGTT_ENABLE)) ||
(data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE)))
&& !vgpu->pv_notified) {
enter_failsafe_mode(vgpu, GVT_FAILSAFE_UNSUPPORTED_GUEST);
return 0;
}
if ((data & _MASKED_BIT_ENABLE(GFX_RUN_LIST_ENABLE))
|| (data & _MASKED_BIT_DISABLE(GFX_RUN_LIST_ENABLE))) {
enable_execlist = !!(data & GFX_RUN_LIST_ENABLE);
@ -1400,6 +1524,9 @@ static int ring_reset_ctl_write(struct intel_vgpu *vgpu,
#define MMIO_GM(reg, d, r, w) \
MMIO_F(reg, 4, F_GMADR, 0xFFFFF000, 0, d, r, w)
#define MMIO_GM_RDR(reg, d, r, w) \
MMIO_F(reg, 4, F_GMADR | F_CMD_ACCESS, 0xFFFFF000, 0, d, r, w)
#define MMIO_RO(reg, d, f, rm, r, w) \
MMIO_F(reg, 4, F_RO | f, 0, rm, d, r, w)
@ -1419,6 +1546,9 @@ static int ring_reset_ctl_write(struct intel_vgpu *vgpu,
#define MMIO_RING_GM(prefix, d, r, w) \
MMIO_RING_F(prefix, 4, F_GMADR, 0xFFFF0000, 0, d, r, w)
#define MMIO_RING_GM_RDR(prefix, d, r, w) \
MMIO_RING_F(prefix, 4, F_GMADR | F_CMD_ACCESS, 0xFFFF0000, 0, d, r, w)
#define MMIO_RING_RO(prefix, d, f, rm, r, w) \
MMIO_RING_F(prefix, 4, F_RO | f, 0, rm, d, r, w)
@ -1427,73 +1557,81 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
struct drm_i915_private *dev_priv = gvt->dev_priv;
int ret;
MMIO_RING_DFH(RING_IMR, D_ALL, 0, NULL, intel_vgpu_reg_imr_handler);
MMIO_RING_DFH(RING_IMR, D_ALL, F_CMD_ACCESS, NULL,
intel_vgpu_reg_imr_handler);
MMIO_DFH(SDEIMR, D_ALL, 0, NULL, intel_vgpu_reg_imr_handler);
MMIO_DFH(SDEIER, D_ALL, 0, NULL, intel_vgpu_reg_ier_handler);
MMIO_DFH(SDEIIR, D_ALL, 0, NULL, intel_vgpu_reg_iir_handler);
MMIO_D(SDEISR, D_ALL);
MMIO_RING_D(RING_HWSTAM, D_ALL);
MMIO_RING_DFH(RING_HWSTAM, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_GM(RENDER_HWS_PGA_GEN7, D_ALL, NULL, NULL);
MMIO_GM(BSD_HWS_PGA_GEN7, D_ALL, NULL, NULL);
MMIO_GM(BLT_HWS_PGA_GEN7, D_ALL, NULL, NULL);
MMIO_GM(VEBOX_HWS_PGA_GEN7, D_ALL, NULL, NULL);
MMIO_GM_RDR(RENDER_HWS_PGA_GEN7, D_ALL, NULL, NULL);
MMIO_GM_RDR(BSD_HWS_PGA_GEN7, D_ALL, NULL, NULL);
MMIO_GM_RDR(BLT_HWS_PGA_GEN7, D_ALL, NULL, NULL);
MMIO_GM_RDR(VEBOX_HWS_PGA_GEN7, D_ALL, NULL, NULL);
#define RING_REG(base) (base + 0x28)
MMIO_RING_D(RING_REG, D_ALL);
MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
#undef RING_REG
#define RING_REG(base) (base + 0x134)
MMIO_RING_D(RING_REG, D_ALL);
MMIO_RING_DFH(RING_REG, D_ALL, F_CMD_ACCESS, NULL, NULL);
#undef RING_REG
MMIO_GM(0x2148, D_ALL, NULL, NULL);
MMIO_GM(CCID, D_ALL, NULL, NULL);
MMIO_GM(0x12198, D_ALL, NULL, NULL);
MMIO_GM_RDR(0x2148, D_ALL, NULL, NULL);
MMIO_GM_RDR(CCID, D_ALL, NULL, NULL);
MMIO_GM_RDR(0x12198, D_ALL, NULL, NULL);
MMIO_D(GEN7_CXT_SIZE, D_ALL);
MMIO_RING_D(RING_TAIL, D_ALL);
MMIO_RING_D(RING_HEAD, D_ALL);
MMIO_RING_D(RING_CTL, D_ALL);
MMIO_RING_D(RING_ACTHD, D_ALL);
MMIO_RING_GM(RING_START, D_ALL, NULL, NULL);
MMIO_RING_DFH(RING_TAIL, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_RING_DFH(RING_HEAD, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_RING_DFH(RING_CTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_RING_DFH(RING_ACTHD, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_RING_GM_RDR(RING_START, D_ALL, NULL, NULL);
/* RING MODE */
#define RING_REG(base) (base + 0x29c)
MMIO_RING_DFH(RING_REG, D_ALL, F_MODE_MASK, NULL, ring_mode_mmio_write);
MMIO_RING_DFH(RING_REG, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL,
ring_mode_mmio_write);
#undef RING_REG
MMIO_RING_DFH(RING_MI_MODE, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_RING_DFH(RING_MI_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
NULL, NULL);
MMIO_RING_DFH(RING_INSTPM, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
NULL, NULL);
MMIO_RING_DFH(RING_TIMESTAMP, D_ALL, F_CMD_ACCESS,
ring_timestamp_mmio_read, NULL);
MMIO_RING_DFH(RING_TIMESTAMP_UDW, D_ALL, F_CMD_ACCESS,
ring_timestamp_mmio_read, NULL);
MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_DFH(GEN7_GT_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(CACHE_MODE_0_GEN7, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
NULL, NULL);
MMIO_DFH(CACHE_MODE_1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(CACHE_MODE_0, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2124, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x20dc, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_DFH(_3D_CHICKEN3, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_DFH(0x2088, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_DFH(0x20e4, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_DFH(0x2470, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_D(GAM_ECOCHK, D_ALL);
MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_DFH(0x20dc, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(_3D_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2088, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x20e4, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2470, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(GAM_ECOCHK, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(GEN7_COMMON_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS,
NULL, NULL);
MMIO_DFH(COMMON_SLICE_CHICKEN2, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_D(0x9030, D_ALL);
MMIO_D(0x20a0, D_ALL);
MMIO_D(0x2420, D_ALL);
MMIO_D(0x2430, D_ALL);
MMIO_D(0x2434, D_ALL);
MMIO_D(0x2438, D_ALL);
MMIO_D(0x243c, D_ALL);
MMIO_DFH(0x7018, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_DFH(0x9030, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x20a0, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2420, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2430, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2434, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2438, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x243c, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x7018, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(HALF_SLICE_CHICKEN3, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe100, D_ALL, F_MODE_MASK, NULL, NULL);
MMIO_DFH(GEN7_HALF_SLICE_CHICKEN1, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
/* display */
MMIO_F(0x60220, 0x20, 0, 0, 0, D_ALL, NULL, NULL);
@ -2022,8 +2160,8 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_D(FORCEWAKE_ACK, D_ALL);
MMIO_D(GEN6_GT_CORE_STATUS, D_ALL);
MMIO_D(GEN6_GT_THREAD_STATUS_REG, D_ALL);
MMIO_D(GTFIFODBG, D_ALL);
MMIO_D(GTFIFOCTL, D_ALL);
MMIO_DFH(GTFIFODBG, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(GTFIFOCTL, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DH(FORCEWAKE_MT, D_PRE_SKL, NULL, mul_force_wake_write);
MMIO_DH(FORCEWAKE_ACK_HSW, D_HSW | D_BDW, NULL, NULL);
MMIO_D(ECOBUS, D_ALL);
@ -2080,7 +2218,7 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_F(0x4f000, 0x90, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_D(GEN6_PCODE_MAILBOX, D_PRE_SKL);
MMIO_D(GEN6_PCODE_MAILBOX, D_PRE_BDW);
MMIO_D(GEN6_PCODE_DATA, D_ALL);
MMIO_D(0x13812c, D_ALL);
MMIO_DH(GEN7_ERR_INT, D_ALL, NULL, NULL);
@ -2159,36 +2297,35 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_D(0x1a054, D_ALL);
MMIO_D(0x44070, D_ALL);
MMIO_D(0x215c, D_HSW_PLUS);
MMIO_DFH(0x215c, D_HSW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2178, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x217c, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x12178, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x1217c, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_F(0x2290, 8, 0, 0, 0, D_HSW_PLUS, NULL, NULL);
MMIO_D(GEN7_OACONTROL, D_HSW);
MMIO_F(0x2290, 8, F_CMD_ACCESS, 0, 0, D_HSW_PLUS, NULL, NULL);
MMIO_DFH(GEN7_OACONTROL, D_HSW, F_CMD_ACCESS, NULL, NULL);
MMIO_D(0x2b00, D_BDW_PLUS);
MMIO_D(0x2360, D_BDW_PLUS);
MMIO_F(0x5200, 32, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(0x5240, 32, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(0x5280, 16, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(0x5200, 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_F(0x5240, 32, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_F(0x5280, 16, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_DFH(0x1c17c, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x1c178, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_D(BCS_SWCTRL, D_ALL);
MMIO_DFH(BCS_SWCTRL, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_F(HS_INVOCATION_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(DS_INVOCATION_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(IA_VERTICES_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(IA_PRIMITIVES_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(VS_INVOCATION_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(GS_INVOCATION_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(GS_PRIMITIVES_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(CL_INVOCATION_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(CL_PRIMITIVES_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(PS_INVOCATION_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(PS_DEPTH_COUNT, 8, 0, 0, 0, D_ALL, NULL, NULL);
MMIO_F(HS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_F(DS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_F(IA_VERTICES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_F(IA_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_F(VS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_F(GS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_F(GS_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_F(CL_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_F(CL_PRIMITIVES_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_F(PS_INVOCATION_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_F(PS_DEPTH_COUNT, 8, F_CMD_ACCESS, 0, 0, D_ALL, NULL, NULL);
MMIO_DH(0x4260, D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
MMIO_DH(0x4264, D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
MMIO_DH(0x4268, D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
@ -2196,6 +2333,17 @@ static int init_generic_mmio_info(struct intel_gvt *gvt)
MMIO_DH(0x4270, D_BDW_PLUS, NULL, gvt_reg_tlb_control_handler);
MMIO_DFH(0x4094, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(ARB_MODE, D_ALL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_RING_GM_RDR(RING_BBADDR, D_ALL, NULL, NULL);
MMIO_DFH(0x2220, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x12220, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x22220, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_RING_DFH(RING_SYNC_1, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_RING_DFH(RING_SYNC_0, D_ALL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x22178, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x1a178, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x1a17c, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2217c, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
return 0;
}
@ -2204,7 +2352,7 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
struct drm_i915_private *dev_priv = gvt->dev_priv;
int ret;
MMIO_DH(RING_IMR(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL,
MMIO_DFH(RING_IMR(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS, NULL,
intel_vgpu_reg_imr_handler);
MMIO_DH(GEN8_GT_IMR(0), D_BDW_PLUS, NULL, intel_vgpu_reg_imr_handler);
@ -2269,24 +2417,31 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
MMIO_DH(GEN8_MASTER_IRQ, D_BDW_PLUS, NULL,
intel_vgpu_reg_master_irq_handler);
MMIO_D(RING_HWSTAM(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
MMIO_D(0x1c134, D_BDW_PLUS);
MMIO_DFH(RING_HWSTAM(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x1c134, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_D(RING_TAIL(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
MMIO_D(RING_HEAD(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
MMIO_GM(RING_START(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL, NULL);
MMIO_D(RING_CTL(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
MMIO_D(RING_ACTHD(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
MMIO_D(RING_ACTHD_UDW(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
MMIO_DFH(0x1c29c, D_BDW_PLUS, F_MODE_MASK, NULL, ring_mode_mmio_write);
MMIO_DFH(RING_MI_MODE(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_MODE_MASK,
NULL, NULL);
MMIO_DFH(RING_INSTPM(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_MODE_MASK,
NULL, NULL);
MMIO_DFH(RING_TAIL(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS,
NULL, NULL);
MMIO_DFH(RING_HEAD(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
F_CMD_ACCESS, NULL, NULL);
MMIO_GM_RDR(RING_START(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL, NULL);
MMIO_DFH(RING_CTL(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS,
NULL, NULL);
MMIO_DFH(RING_ACTHD(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(RING_ACTHD_UDW(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x1c29c, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL,
ring_mode_mmio_write);
MMIO_DFH(RING_MI_MODE(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(RING_INSTPM(GEN8_BSD2_RING_BASE), D_BDW_PLUS,
F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(RING_TIMESTAMP(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS,
ring_timestamp_mmio_read, NULL);
MMIO_RING_D(RING_ACTHD_UDW, D_BDW_PLUS);
MMIO_RING_DFH(RING_ACTHD_UDW, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
#define RING_REG(base) (base + 0xd0)
MMIO_RING_F(RING_REG, 4, F_RO, 0,
@ -2303,13 +2458,16 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
#undef RING_REG
#define RING_REG(base) (base + 0x234)
MMIO_RING_F(RING_REG, 8, F_RO, 0, ~0, D_BDW_PLUS, NULL, NULL);
MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 4, F_RO, 0, ~0LL, D_BDW_PLUS, NULL, NULL);
MMIO_RING_F(RING_REG, 8, F_RO | F_CMD_ACCESS, 0, ~0, D_BDW_PLUS,
NULL, NULL);
MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 4, F_RO | F_CMD_ACCESS, 0,
~0LL, D_BDW_PLUS, NULL, NULL);
#undef RING_REG
#define RING_REG(base) (base + 0x244)
MMIO_RING_D(RING_REG, D_BDW_PLUS);
MMIO_D(RING_REG(GEN8_BSD2_RING_BASE), D_BDW_PLUS);
MMIO_RING_DFH(RING_REG, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(RING_REG(GEN8_BSD2_RING_BASE), D_BDW_PLUS, F_CMD_ACCESS,
NULL, NULL);
#undef RING_REG
#define RING_REG(base) (base + 0x370)
@ -2331,6 +2489,8 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
MMIO_D(GEN7_MISCCPCTL, D_BDW_PLUS);
MMIO_D(0x1c054, D_BDW_PLUS);
MMIO_DH(GEN6_PCODE_MAILBOX, D_BDW_PLUS, NULL, mailbox_write);
MMIO_D(GEN8_PRIVATE_PAT_LO, D_BDW_PLUS);
MMIO_D(GEN8_PRIVATE_PAT_HI, D_BDW_PLUS);
@ -2341,14 +2501,14 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
MMIO_F(RING_REG(GEN8_BSD2_RING_BASE), 32, 0, 0, 0, D_BDW_PLUS, NULL, NULL);
#undef RING_REG
MMIO_RING_GM(RING_HWS_PGA, D_BDW_PLUS, NULL, NULL);
MMIO_GM(0x1c080, D_BDW_PLUS, NULL, NULL);
MMIO_RING_GM_RDR(RING_HWS_PGA, D_BDW_PLUS, NULL, NULL);
MMIO_GM_RDR(RING_HWS_PGA(GEN8_BSD2_RING_BASE), D_BDW_PLUS, NULL, NULL);
MMIO_DFH(HDC_CHICKEN0, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_D(CHICKEN_PIPESL_1(PIPE_A), D_BDW);
MMIO_D(CHICKEN_PIPESL_1(PIPE_B), D_BDW);
MMIO_D(CHICKEN_PIPESL_1(PIPE_C), D_BDW);
MMIO_D(CHICKEN_PIPESL_1(PIPE_A), D_BDW_PLUS);
MMIO_D(CHICKEN_PIPESL_1(PIPE_B), D_BDW_PLUS);
MMIO_D(CHICKEN_PIPESL_1(PIPE_C), D_BDW_PLUS);
MMIO_D(WM_MISC, D_BDW);
MMIO_D(BDW_EDP_PSR_BASE, D_BDW);
@ -2362,27 +2522,31 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
MMIO_D(GEN8_EU_DISABLE1, D_BDW_PLUS);
MMIO_D(GEN8_EU_DISABLE2, D_BDW_PLUS);
MMIO_D(0xfdc, D_BDW);
MMIO_DFH(GEN8_ROW_CHICKEN, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_D(GEN7_ROW_CHICKEN2, D_BDW_PLUS);
MMIO_D(GEN8_UCGCTL6, D_BDW_PLUS);
MMIO_D(0xfdc, D_BDW_PLUS);
MMIO_DFH(GEN8_ROW_CHICKEN, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
NULL, NULL);
MMIO_DFH(GEN7_ROW_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS,
NULL, NULL);
MMIO_DFH(GEN8_UCGCTL6, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_D(0xb1f0, D_BDW);
MMIO_D(0xb1c0, D_BDW);
MMIO_DFH(0xb1f0, D_BDW, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xb1c0, D_BDW, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(GEN8_L3SQCREG4, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_D(0xb100, D_BDW);
MMIO_D(0xb10c, D_BDW);
MMIO_DFH(0xb100, D_BDW, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xb10c, D_BDW, F_CMD_ACCESS, NULL, NULL);
MMIO_D(0xb110, D_BDW);
MMIO_DFH(0x24d0, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x24d4, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x24d8, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x24dc, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_F(0x24d0, 48, F_CMD_ACCESS, 0, 0, D_BDW_PLUS,
NULL, force_nonpriv_write);
MMIO_D(0x83a4, D_BDW);
MMIO_D(0x22040, D_BDW_PLUS);
MMIO_D(0x44484, D_BDW_PLUS);
MMIO_D(0x4448c, D_BDW_PLUS);
MMIO_DFH(0x83a4, D_BDW, F_CMD_ACCESS, NULL, NULL);
MMIO_D(GEN8_L3_LRA_1_GPGPU, D_BDW_PLUS);
MMIO_D(0x8430, D_BDW);
MMIO_DFH(0x8430, D_BDW, F_CMD_ACCESS, NULL, NULL);
MMIO_D(0x110000, D_BDW_PLUS);
@ -2394,10 +2558,19 @@ static int init_broadwell_mmio_info(struct intel_gvt *gvt)
MMIO_DFH(0xe194, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe188, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(HALF_SLICE_CHICKEN2, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x2580, D_BDW_PLUS, F_MODE_MASK, NULL, NULL);
MMIO_DFH(0x2580, D_BDW_PLUS, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
MMIO_D(0x2248, D_BDW);
MMIO_DFH(0x2248, D_BDW, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe220, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe230, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe240, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe260, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe270, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe280, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe2a0, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe2b0, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0xe2c0, D_BDW_PLUS, F_CMD_ACCESS, NULL, NULL);
return 0;
}
@ -2420,7 +2593,6 @@ static int init_skl_mmio_info(struct intel_gvt *gvt)
MMIO_D(HSW_PWR_WELL_BIOS, D_SKL);
MMIO_DH(HSW_PWR_WELL_DRIVER, D_SKL, NULL, skl_power_well_ctl_write);
MMIO_DH(GEN6_PCODE_MAILBOX, D_SKL, NULL, mailbox_write);
MMIO_D(0xa210, D_SKL_PLUS);
MMIO_D(GEN9_MEDIA_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
MMIO_D(GEN9_RENDER_PG_IDLE_HYSTERESIS, D_SKL_PLUS);
@ -2578,16 +2750,16 @@ static int init_skl_mmio_info(struct intel_gvt *gvt)
MMIO_F(0xb020, 0x80, F_CMD_ACCESS, 0, 0, D_SKL, NULL, NULL);
MMIO_D(0xd08, D_SKL);
MMIO_D(0x20e0, D_SKL);
MMIO_D(0x20ec, D_SKL);
MMIO_DFH(0x20e0, D_SKL, F_MODE_MASK, NULL, NULL);
MMIO_DFH(0x20ec, D_SKL, F_MODE_MASK | F_CMD_ACCESS, NULL, NULL);
/* TRTT */
MMIO_D(0x4de0, D_SKL);
MMIO_D(0x4de4, D_SKL);
MMIO_D(0x4de8, D_SKL);
MMIO_D(0x4dec, D_SKL);
MMIO_D(0x4df0, D_SKL);
MMIO_DH(0x4df4, D_SKL, NULL, gen9_trtte_write);
MMIO_DFH(0x4de0, D_SKL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x4de4, D_SKL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x4de8, D_SKL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x4dec, D_SKL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x4df0, D_SKL, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(0x4df4, D_SKL, F_CMD_ACCESS, NULL, gen9_trtte_write);
MMIO_DH(0x4dfc, D_SKL, NULL, gen9_trtt_chicken_write);
MMIO_D(0x45008, D_SKL);
@ -2611,7 +2783,7 @@ static int init_skl_mmio_info(struct intel_gvt *gvt)
MMIO_D(0x65f08, D_SKL);
MMIO_D(0x320f0, D_SKL);
MMIO_D(_REG_VCS2_EXCC, D_SKL);
MMIO_DFH(_REG_VCS2_EXCC, D_SKL, F_CMD_ACCESS, NULL, NULL);
MMIO_D(0x70034, D_SKL);
MMIO_D(0x71034, D_SKL);
MMIO_D(0x72034, D_SKL);
@ -2624,6 +2796,9 @@ static int init_skl_mmio_info(struct intel_gvt *gvt)
MMIO_D(_PLANE_KEYMSK_1(PIPE_C), D_SKL);
MMIO_D(0x44500, D_SKL);
MMIO_DFH(GEN9_CSFE_CHICKEN1_RCS, D_SKL_PLUS, F_CMD_ACCESS, NULL, NULL);
MMIO_DFH(GEN8_HDC_CHICKEN1, D_SKL, F_MODE_MASK | F_CMD_ACCESS,
NULL, NULL);
return 0;
}

12
drivers/gpu/drm/i915/gvt/kvmgt.c
View File

@ -96,10 +96,10 @@ static int gvt_dma_map_iova(struct intel_vgpu *vgpu, kvm_pfn_t pfn,
struct device *dev = &vgpu->gvt->dev_priv->drm.pdev->dev;
dma_addr_t daddr;
page = pfn_to_page(pfn);
if (is_error_page(page))
if (unlikely(!pfn_valid(pfn)))
return -EFAULT;
page = pfn_to_page(pfn);
daddr = dma_map_page(dev, page, 0, PAGE_SIZE,
PCI_DMA_BIDIRECTIONAL);
if (dma_mapping_error(dev, daddr))
@ -295,10 +295,10 @@ static ssize_t description_show(struct kobject *kobj, struct device *dev,
return 0;
return sprintf(buf, "low_gm_size: %dMB\nhigh_gm_size: %dMB\n"
"fence: %d\n",
BYTES_TO_MB(type->low_gm_size),
BYTES_TO_MB(type->high_gm_size),
type->fence);
"fence: %d\nresolution: %s\n",
BYTES_TO_MB(type->low_gm_size),
BYTES_TO_MB(type->high_gm_size),
type->fence, vgpu_edid_str(type->resolution));
}
static MDEV_TYPE_ATTR_RO(available_instances);

66
drivers/gpu/drm/i915/gvt/mmio.c
View File

@ -57,6 +57,58 @@ int intel_vgpu_gpa_to_mmio_offset(struct intel_vgpu *vgpu, u64 gpa)
(reg >= gvt->device_info.gtt_start_offset \
&& reg < gvt->device_info.gtt_start_offset + gvt_ggtt_sz(gvt))
static void failsafe_emulate_mmio_rw(struct intel_vgpu *vgpu, uint64_t pa,
void *p_data, unsigned int bytes, bool read)
{
struct intel_gvt *gvt = NULL;
void *pt = NULL;
unsigned int offset = 0;
if (!vgpu || !p_data)
return;
gvt = vgpu->gvt;
mutex_lock(&gvt->lock);
offset = intel_vgpu_gpa_to_mmio_offset(vgpu, pa);
if (reg_is_mmio(gvt, offset)) {
if (read)
intel_vgpu_default_mmio_read(vgpu, offset, p_data,
bytes);
else
intel_vgpu_default_mmio_write(vgpu, offset, p_data,
bytes);
} else if (reg_is_gtt(gvt, offset) &&
vgpu->gtt.ggtt_mm->virtual_page_table) {
offset -= gvt->device_info.gtt_start_offset;
pt = vgpu->gtt.ggtt_mm->virtual_page_table + offset;
if (read)
memcpy(p_data, pt, bytes);
else
memcpy(pt, p_data, bytes);
} else if (atomic_read(&vgpu->gtt.n_write_protected_guest_page)) {
struct intel_vgpu_guest_page *gp;
/* Since we enter the failsafe mode early during guest boot,
* guest may not have chance to set up its ppgtt table, so
* there should not be any wp pages for guest. Keep the wp
* related code here in case we need to handle it in furture.
*/
gp = intel_vgpu_find_guest_page(vgpu, pa >> PAGE_SHIFT);
if (gp) {
/* remove write protection to prevent furture traps */
intel_vgpu_clean_guest_page(vgpu, gp);
if (read)
intel_gvt_hypervisor_read_gpa(vgpu, pa,
p_data, bytes);
else
intel_gvt_hypervisor_write_gpa(vgpu, pa,
p_data, bytes);
}
}
mutex_unlock(&gvt->lock);
}
/**
* intel_vgpu_emulate_mmio_read - emulate MMIO read
* @vgpu: a vGPU
@ -75,6 +127,11 @@ int intel_vgpu_emulate_mmio_read(struct intel_vgpu *vgpu, uint64_t pa,
unsigned int offset = 0;
int ret = -EINVAL;
if (vgpu->failsafe) {
failsafe_emulate_mmio_rw(vgpu, pa, p_data, bytes, true);
return 0;
}
mutex_lock(&gvt->lock);
if (atomic_read(&vgpu->gtt.n_write_protected_guest_page)) {
@ -188,6 +245,11 @@ int intel_vgpu_emulate_mmio_write(struct intel_vgpu *vgpu, uint64_t pa,
u32 old_vreg = 0, old_sreg = 0;
int ret = -EINVAL;
if (vgpu->failsafe) {
failsafe_emulate_mmio_rw(vgpu, pa, p_data, bytes, false);
return 0;
}
mutex_lock(&gvt->lock);
if (atomic_read(&vgpu->gtt.n_write_protected_guest_page)) {
@ -236,7 +298,7 @@ int intel_vgpu_emulate_mmio_write(struct intel_vgpu *vgpu, uint64_t pa,
mmio = intel_gvt_find_mmio_info(gvt, rounddown(offset, 4));
if (!mmio && !vgpu->mmio.disable_warn_untrack)
gvt_err("vgpu%d: write untracked MMIO %x len %d val %x\n",
gvt_dbg_mmio("vgpu%d: write untracked MMIO %x len %d val %x\n",
vgpu->id, offset, bytes, *(u32 *)p_data);
if (!intel_gvt_mmio_is_unalign(gvt, offset)) {
@ -322,6 +384,8 @@ void intel_vgpu_reset_mmio(struct intel_vgpu *vgpu)
/* set the bit 0:2(Core C-State ) to C0 */
vgpu_vreg(vgpu, GEN6_GT_CORE_STATUS) = 0;
vgpu->mmio.disable_warn_untrack = false;
}
/**

5
drivers/gpu/drm/i915/gvt/opregion.c
View File

@ -27,7 +27,6 @@
static int init_vgpu_opregion(struct intel_vgpu *vgpu, u32 gpa)
{
void __iomem *host_va = vgpu->gvt->opregion.opregion_va;
u8 *buf;
int i;
@ -43,8 +42,8 @@ static int init_vgpu_opregion(struct intel_vgpu *vgpu, u32 gpa)
if (!vgpu_opregion(vgpu)->va)
return -ENOMEM;
memcpy_fromio(vgpu_opregion(vgpu)->va, host_va,
INTEL_GVT_OPREGION_SIZE);
memcpy(vgpu_opregion(vgpu)->va, vgpu->gvt->opregion.opregion_va,
INTEL_GVT_OPREGION_SIZE);
for (i = 0; i < INTEL_GVT_OPREGION_PAGES; i++)
vgpu_opregion(vgpu)->gfn[i] = (gpa >> PAGE_SHIFT) + i;

16
drivers/gpu/drm/i915/gvt/render.c
View File

@ -53,6 +53,14 @@ static struct render_mmio gen8_render_mmio_list[] = {
{RCS, _MMIO(0x24d4), 0, false},
{RCS, _MMIO(0x24d8), 0, false},
{RCS, _MMIO(0x24dc), 0, false},
{RCS, _MMIO(0x24e0), 0, false},
{RCS, _MMIO(0x24e4), 0, false},
{RCS, _MMIO(0x24e8), 0, false},
{RCS, _MMIO(0x24ec), 0, false},
{RCS, _MMIO(0x24f0), 0, false},
{RCS, _MMIO(0x24f4), 0, false},
{RCS, _MMIO(0x24f8), 0, false},
{RCS, _MMIO(0x24fc), 0, false},
{RCS, _MMIO(0x7004), 0xffff, true},
{RCS, _MMIO(0x7008), 0xffff, true},
{RCS, _MMIO(0x7000), 0xffff, true},
@ -76,6 +84,14 @@ static struct render_mmio gen9_render_mmio_list[] = {
{RCS, _MMIO(0x24d4), 0, false},
{RCS, _MMIO(0x24d8), 0, false},
{RCS, _MMIO(0x24dc), 0, false},
{RCS, _MMIO(0x24e0), 0, false},
{RCS, _MMIO(0x24e4), 0, false},
{RCS, _MMIO(0x24e8), 0, false},
{RCS, _MMIO(0x24ec), 0, false},
{RCS, _MMIO(0x24f0), 0, false},
{RCS, _MMIO(0x24f4), 0, false},
{RCS, _MMIO(0x24f8), 0, false},
{RCS, _MMIO(0x24fc), 0, false},
{RCS, _MMIO(0x7004), 0xffff, true},
{RCS, _MMIO(0x7008), 0xffff, true},
{RCS, _MMIO(0x7000), 0xffff, true},

52
drivers/gpu/drm/i915/gvt/scheduler.c
View File

@ -139,6 +139,9 @@ static int shadow_context_status_change(struct notifier_block *nb,
struct intel_vgpu_workload *workload =
scheduler->current_workload[req->engine->id];
if (unlikely(!workload))
return NOTIFY_OK;
switch (action) {
case INTEL_CONTEXT_SCHEDULE_IN:
intel_gvt_load_render_mmio(workload->vgpu,
@ -148,6 +151,15 @@ static int shadow_context_status_change(struct notifier_block *nb,
case INTEL_CONTEXT_SCHEDULE_OUT:
intel_gvt_restore_render_mmio(workload->vgpu,
workload->ring_id);
/* If the status is -EINPROGRESS means this workload
* doesn't meet any issue during dispatching so when
* get the SCHEDULE_OUT set the status to be zero for
* good. If the status is NOT -EINPROGRESS means there
* is something wrong happened during dispatching and
* the status should not be set to zero
*/
if (workload->status == -EINPROGRESS)
workload->status = 0;
atomic_set(&workload->shadow_ctx_active, 0);
break;
default:
@ -359,15 +371,23 @@ static void complete_current_workload(struct intel_gvt *gvt, int ring_id)
workload = scheduler->current_workload[ring_id];
vgpu = workload->vgpu;
if (!workload->status && !vgpu->resetting) {
/* For the workload w/ request, needs to wait for the context
* switch to make sure request is completed.
* For the workload w/o request, directly complete the workload.
*/
if (workload->req) {
wait_event(workload->shadow_ctx_status_wq,
!atomic_read(&workload->shadow_ctx_active));
update_guest_context(workload);
i915_gem_request_put(fetch_and_zero(&workload->req));
for_each_set_bit(event, workload->pending_events,
INTEL_GVT_EVENT_MAX)
intel_vgpu_trigger_virtual_event(vgpu, event);
if (!workload->status && !vgpu->resetting) {
update_guest_context(workload);
for_each_set_bit(event, workload->pending_events,
INTEL_GVT_EVENT_MAX)
intel_vgpu_trigger_virtual_event(vgpu, event);
}
}
gvt_dbg_sched("ring id %d complete workload %p status %d\n",
@ -397,7 +417,6 @@ static int workload_thread(void *priv)
int ring_id = p->ring_id;
struct intel_gvt_workload_scheduler *scheduler = &gvt->scheduler;
struct intel_vgpu_workload *workload = NULL;
long lret;
int ret;
bool need_force_wake = IS_SKYLAKE(gvt->dev_priv);
DEFINE_WAIT_FUNC(wait, woken_wake_function);
@ -446,23 +465,24 @@ static int workload_thread(void *priv)
gvt_dbg_sched("ring id %d wait workload %p\n",
workload->ring_id, workload);
lret = i915_wait_request(workload->req,
retry:
i915_wait_request(workload->req,
0, MAX_SCHEDULE_TIMEOUT);
if (lret < 0) {
workload->status = lret;
gvt_err("fail to wait workload, skip\n");
} else {
workload->status = 0;
/* I915 has replay mechanism and a request will be replayed
* if there is i915 reset. So the seqno will be updated anyway.
* If the seqno is not updated yet after waiting, which means
* the replay may still be in progress and we can wait again.
*/
if (!i915_gem_request_completed(workload->req)) {
gvt_dbg_sched("workload %p not completed, wait again\n",
workload);
goto retry;
}
complete:
gvt_dbg_sched("will complete workload %p, status: %d\n",
workload, workload->status);
if (workload->req)
i915_gem_request_put(fetch_and_zero(&workload->req));
complete_current_workload(gvt, ring_id);
if (need_force_wake)

72
drivers/gpu/drm/i915/gvt/vgpu.c
View File

@ -64,6 +64,20 @@ void populate_pvinfo_page(struct intel_vgpu *vgpu)
WARN_ON(sizeof(struct vgt_if) != VGT_PVINFO_SIZE);
}
static struct {
unsigned int low_mm;
unsigned int high_mm;
unsigned int fence;
enum intel_vgpu_edid edid;
char *name;
} vgpu_types[] = {
/* Fixed vGPU type table */
{ MB_TO_BYTES(64), MB_TO_BYTES(512), 4, GVT_EDID_1024_768, "8" },
{ MB_TO_BYTES(128), MB_TO_BYTES(512), 4, GVT_EDID_1920_1200, "4" },
{ MB_TO_BYTES(256), MB_TO_BYTES(1024), 4, GVT_EDID_1920_1200, "2" },
{ MB_TO_BYTES(512), MB_TO_BYTES(2048), 4, GVT_EDID_1920_1200, "1" },
};
/**
* intel_gvt_init_vgpu_types - initialize vGPU type list
* @gvt : GVT device
@ -78,9 +92,8 @@ int intel_gvt_init_vgpu_types(struct intel_gvt *gvt)
unsigned int min_low;
/* vGPU type name is defined as GVTg_Vx_y which contains
* physical GPU generation type and 'y' means maximum vGPU
* instances user can create on one physical GPU for this
* type.
* physical GPU generation type (e.g V4 as BDW server, V5 as
* SKL server).
*
* Depend on physical SKU resource, might see vGPU types like
* GVTg_V4_8, GVTg_V4_4, GVTg_V4_2, etc. We can create
@ -92,7 +105,7 @@ int intel_gvt_init_vgpu_types(struct intel_gvt *gvt)
*/
low_avail = gvt_aperture_sz(gvt) - HOST_LOW_GM_SIZE;
high_avail = gvt_hidden_sz(gvt) - HOST_HIGH_GM_SIZE;
num_types = 4;
num_types = sizeof(vgpu_types) / sizeof(vgpu_types[0]);
gvt->types = kzalloc(num_types * sizeof(struct intel_vgpu_type),
GFP_KERNEL);
@ -101,28 +114,29 @@ int intel_gvt_init_vgpu_types(struct intel_gvt *gvt)
min_low = MB_TO_BYTES(32);
for (i = 0; i < num_types; ++i) {
if (low_avail / min_low == 0)
if (low_avail / vgpu_types[i].low_mm == 0)
break;
gvt->types[i].low_gm_size = min_low;
gvt->types[i].high_gm_size = max((min_low<<3), MB_TO_BYTES(384U));
gvt->types[i].fence = 4;
gvt->types[i].max_instance = min(low_avail / min_low,
high_avail / gvt->types[i].high_gm_size);
gvt->types[i].avail_instance = gvt->types[i].max_instance;
gvt->types[i].low_gm_size = vgpu_types[i].low_mm;
gvt->types[i].high_gm_size = vgpu_types[i].high_mm;
gvt->types[i].fence = vgpu_types[i].fence;
gvt->types[i].resolution = vgpu_types[i].edid;
gvt->types[i].avail_instance = min(low_avail / vgpu_types[i].low_mm,
high_avail / vgpu_types[i].high_mm);
if (IS_GEN8(gvt->dev_priv))
sprintf(gvt->types[i].name, "GVTg_V4_%u",
gvt->types[i].max_instance);
sprintf(gvt->types[i].name, "GVTg_V4_%s",
vgpu_types[i].name);
else if (IS_GEN9(gvt->dev_priv))
sprintf(gvt->types[i].name, "GVTg_V5_%u",
gvt->types[i].max_instance);
sprintf(gvt->types[i].name, "GVTg_V5_%s",
vgpu_types[i].name);
min_low <<= 1;
gvt_dbg_core("type[%d]: %s max %u avail %u low %u high %u fence %u\n",
i, gvt->types[i].name, gvt->types[i].max_instance,
gvt_dbg_core("type[%d]: %s avail %u low %u high %u fence %u res %s\n",
i, gvt->types[i].name,
gvt->types[i].avail_instance,
gvt->types[i].low_gm_size,
gvt->types[i].high_gm_size, gvt->types[i].fence);
gvt->types[i].high_gm_size, gvt->types[i].fence,
vgpu_edid_str(gvt->types[i].resolution));
}
gvt->num_types = i;
@ -138,7 +152,7 @@ static void intel_gvt_update_vgpu_types(struct intel_gvt *gvt)
{
int i;
unsigned int low_gm_avail, high_gm_avail, fence_avail;
unsigned int low_gm_min, high_gm_min, fence_min, total_min;
unsigned int low_gm_min, high_gm_min, fence_min;
/* Need to depend on maxium hw resource size but keep on
* static config for now.
@ -154,12 +168,11 @@ static void intel_gvt_update_vgpu_types(struct intel_gvt *gvt)
low_gm_min = low_gm_avail / gvt->types[i].low_gm_size;
high_gm_min = high_gm_avail / gvt->types[i].high_gm_size;
fence_min = fence_avail / gvt->types[i].fence;
total_min = min(min(low_gm_min, high_gm_min), fence_min);
gvt->types[i].avail_instance = min(gvt->types[i].max_instance,
total_min);
gvt->types[i].avail_instance = min(min(low_gm_min, high_gm_min),
fence_min);
gvt_dbg_core("update type[%d]: %s max %u avail %u low %u high %u fence %u\n",
i, gvt->types[i].name, gvt->types[i].max_instance,
gvt_dbg_core("update type[%d]: %s avail %u low %u high %u fence %u\n",
i, gvt->types[i].name,
gvt->types[i].avail_instance, gvt->types[i].low_gm_size,
gvt->types[i].high_gm_size, gvt->types[i].fence);
}
@ -248,7 +261,7 @@ static struct intel_vgpu *__intel_gvt_create_vgpu(struct intel_gvt *gvt,
if (ret)
goto out_detach_hypervisor_vgpu;
ret = intel_vgpu_init_display(vgpu);
ret = intel_vgpu_init_display(vgpu, param->resolution);
if (ret)
goto out_clean_gtt;
@ -312,6 +325,7 @@ struct intel_vgpu *intel_gvt_create_vgpu(struct intel_gvt *gvt,
param.low_gm_sz = type->low_gm_size;
param.high_gm_sz = type->high_gm_size;
param.fence_sz = type->fence;
param.resolution = type->resolution;
/* XXX current param based on MB */
param.low_gm_sz = BYTES_TO_MB(param.low_gm_sz);
@ -387,8 +401,12 @@ void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr,
populate_pvinfo_page(vgpu);
intel_vgpu_reset_display(vgpu);
if (dmlr)
if (dmlr) {
intel_vgpu_reset_cfg_space(vgpu);
/* only reset the failsafe mode when dmlr reset */
vgpu->failsafe = false;
vgpu->pv_notified = false;
}
}
vgpu->resetting = false;