Google Git
Sign in
gem5 / arm / linux-arm64-legacy / ed391f4ebf8f701d3566423ce8f17e614cde9806 / . / drivers / gpu / drm / radeon / r600_cs.c
blob: cd2c63bce50172f6136dbeb64abfe69254e2d122 [file] [log] [blame]
/*
* Copyright 2008 Advanced Micro Devices, Inc.
* Copyright 2008 Red Hat Inc.
* Copyright 2009 Jerome Glisse.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: Dave Airlie
* Alex Deucher
* Jerome Glisse
*/
#include "drmP.h"
#include "radeon.h"
#include "r600d.h"
#include "r600_reg_safe.h"
static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p,
struct radeon_cs_reloc **cs_reloc);
static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
struct radeon_cs_reloc **cs_reloc);
typedef int (*next_reloc_t)(struct radeon_cs_parser*, struct radeon_cs_reloc**);
static next_reloc_t r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_mm;
extern void r600_cs_legacy_get_tiling_conf(struct drm_device *dev, u32 *npipes, u32 *nbanks, u32 *group_size);
struct r600_cs_track {
/* configuration we miror so that we use same code btw kms/ums */
u32 group_size;
u32 nbanks;
u32 npipes;
/* value we track */
u32 nsamples;
u32 cb_color_base_last[8];
struct radeon_bo *cb_color_bo[8];
u32 cb_color_bo_offset[8];
struct radeon_bo *cb_color_frag_bo[8];
struct radeon_bo *cb_color_tile_bo[8];
u32 cb_color_info[8];
u32 cb_color_size_idx[8];
u32 cb_target_mask;
u32 cb_shader_mask;
u32 cb_color_size[8];
u32 vgt_strmout_en;
u32 vgt_strmout_buffer_en;
u32 db_depth_control;
u32 db_depth_info;
u32 db_depth_size_idx;
u32 db_depth_view;
u32 db_depth_size;
u32 db_offset;
struct radeon_bo *db_bo;
};
static inline int r600_bpe_from_format(u32 *bpe, u32 format)
{
switch (format) {
case V_038004_COLOR_8:
case V_038004_COLOR_4_4:
case V_038004_COLOR_3_3_2:
case V_038004_FMT_1:
*bpe = 1;
break;
case V_038004_COLOR_16:
case V_038004_COLOR_16_FLOAT:
case V_038004_COLOR_8_8:
case V_038004_COLOR_5_6_5:
case V_038004_COLOR_6_5_5:
case V_038004_COLOR_1_5_5_5:
case V_038004_COLOR_4_4_4_4:
case V_038004_COLOR_5_5_5_1:
*bpe = 2;
break;
case V_038004_FMT_8_8_8:
*bpe = 3;
break;
case V_038004_COLOR_32:
case V_038004_COLOR_32_FLOAT:
case V_038004_COLOR_16_16:
case V_038004_COLOR_16_16_FLOAT:
case V_038004_COLOR_8_24:
case V_038004_COLOR_8_24_FLOAT:
case V_038004_COLOR_24_8:
case V_038004_COLOR_24_8_FLOAT:
case V_038004_COLOR_10_11_11:
case V_038004_COLOR_10_11_11_FLOAT:
case V_038004_COLOR_11_11_10:
case V_038004_COLOR_11_11_10_FLOAT:
case V_038004_COLOR_2_10_10_10:
case V_038004_COLOR_8_8_8_8:
case V_038004_COLOR_10_10_10_2:
case V_038004_FMT_5_9_9_9_SHAREDEXP:
case V_038004_FMT_32_AS_8:
case V_038004_FMT_32_AS_8_8:
*bpe = 4;
break;
case V_038004_COLOR_X24_8_32_FLOAT:
case V_038004_COLOR_32_32:
case V_038004_COLOR_32_32_FLOAT:
case V_038004_COLOR_16_16_16_16:
case V_038004_COLOR_16_16_16_16_FLOAT:
*bpe = 8;
break;
case V_038004_FMT_16_16_16:
case V_038004_FMT_16_16_16_FLOAT:
*bpe = 6;
break;
case V_038004_FMT_32_32_32:
case V_038004_FMT_32_32_32_FLOAT:
*bpe = 12;
break;
case V_038004_COLOR_32_32_32_32:
case V_038004_COLOR_32_32_32_32_FLOAT:
*bpe = 16;
break;
case V_038004_FMT_GB_GR:
case V_038004_FMT_BG_RG:
case V_038004_COLOR_INVALID:
*bpe = 16;
return -EINVAL;
}
return 0;
}
static void r600_cs_track_init(struct r600_cs_track *track)
{
int i;
for (i = 0; i < 8; i++) {
track->cb_color_base_last[i] = 0;
track->cb_color_size[i] = 0;
track->cb_color_size_idx[i] = 0;
track->cb_color_info[i] = 0;
track->cb_color_bo[i] = NULL;
track->cb_color_bo_offset[i] = 0xFFFFFFFF;
}
track->cb_target_mask = 0xFFFFFFFF;
track->cb_shader_mask = 0xFFFFFFFF;
track->db_bo = NULL;
/* assume the biggest format and that htile is enabled */
track->db_depth_info = 7 | (1 << 25);
track->db_depth_view = 0xFFFFC000;
track->db_depth_size = 0xFFFFFFFF;
track->db_depth_size_idx = 0;
track->db_depth_control = 0xFFFFFFFF;
}
static inline int r600_cs_track_validate_cb(struct radeon_cs_parser *p, int i)
{
struct r600_cs_track *track = p->track;
u32 bpe = 0, pitch, slice_tile_max, size, tmp, height;
volatile u32 *ib = p->ib->ptr;
if (G_0280A0_TILE_MODE(track->cb_color_info[i])) {
dev_warn(p->dev, "FMASK or CMASK buffer are not supported by this kernel\n");
return -EINVAL;
}
size = radeon_bo_size(track->cb_color_bo[i]);
if (r600_bpe_from_format(&bpe, G_0280A0_FORMAT(track->cb_color_info[i]))) {
dev_warn(p->dev, "%s:%d cb invalid format %d for %d (0x%08X)\n",
__func__, __LINE__, G_0280A0_FORMAT(track->cb_color_info[i]),
i, track->cb_color_info[i]);
return -EINVAL;
}
pitch = (G_028060_PITCH_TILE_MAX(track->cb_color_size[i]) + 1) << 3;
slice_tile_max = G_028060_SLICE_TILE_MAX(track->cb_color_size[i]) + 1;
if (!pitch) {
dev_warn(p->dev, "%s:%d cb pitch (%d) for %d invalid (0x%08X)\n",
__func__, __LINE__, pitch, i, track->cb_color_size[i]);
return -EINVAL;
}
height = size / (pitch * bpe);
if (height > 8192)
height = 8192;
switch (G_0280A0_ARRAY_MODE(track->cb_color_info[i])) {
case V_0280A0_ARRAY_LINEAR_GENERAL:
case V_0280A0_ARRAY_LINEAR_ALIGNED:
if (pitch & 0x3f) {
dev_warn(p->dev, "%s:%d cb pitch (%d x %d = %d) invalid\n",
__func__, __LINE__, pitch, bpe, pitch * bpe);
return -EINVAL;
}
if ((pitch * bpe) & (track->group_size - 1)) {
dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
__func__, __LINE__, pitch);
return -EINVAL;
}
break;
case V_0280A0_ARRAY_1D_TILED_THIN1:
if ((pitch * 8 * bpe * track->nsamples) & (track->group_size - 1)) {
dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
__func__, __LINE__, pitch);
return -EINVAL;
}
height &= ~0x7;
if (!height)
height = 8;
break;
case V_0280A0_ARRAY_2D_TILED_THIN1:
if (pitch & ((8 * track->nbanks) - 1)) {
dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
__func__, __LINE__, pitch);
return -EINVAL;
}
tmp = pitch * 8 * bpe * track->nsamples;
tmp = tmp / track->nbanks;
if (tmp & (track->group_size - 1)) {
dev_warn(p->dev, "%s:%d cb pitch (%d) invalid\n",
__func__, __LINE__, pitch);
return -EINVAL;
}
height &= ~((16 * track->npipes) - 1);
if (!height)
height = 16 * track->npipes;
break;
default:
dev_warn(p->dev, "%s invalid tiling %d for %d (0x%08X)\n", __func__,
G_0280A0_ARRAY_MODE(track->cb_color_info[i]), i,
track->cb_color_info[i]);
return -EINVAL;
}
/* check offset */
tmp = height * pitch;
if ((tmp + track->cb_color_bo_offset[i]) > radeon_bo_size(track->cb_color_bo[i])) {
dev_warn(p->dev, "%s offset[%d] %d to big\n", __func__, i, track->cb_color_bo_offset[i]);
return -EINVAL;
}
/* limit max tile */
tmp = (height * pitch) >> 6;
if (tmp < slice_tile_max)
slice_tile_max = tmp;
tmp = S_028060_PITCH_TILE_MAX((pitch >> 3) - 1) |
S_028060_SLICE_TILE_MAX(slice_tile_max - 1);
ib[track->cb_color_size_idx[i]] = tmp;
return 0;
}
static int r600_cs_track_check(struct radeon_cs_parser *p)
{
struct r600_cs_track *track = p->track;
u32 tmp;
int r, i;
volatile u32 *ib = p->ib->ptr;
/* on legacy kernel we don't perform advanced check */
if (p->rdev == NULL)
return 0;
/* we don't support out buffer yet */
if (track->vgt_strmout_en || track->vgt_strmout_buffer_en) {
dev_warn(p->dev, "this kernel doesn't support SMX output buffer\n");
return -EINVAL;
}
/* check that we have a cb for each enabled target, we don't check
* shader_mask because it seems mesa isn't always setting it :(
*/
tmp = track->cb_target_mask;
for (i = 0; i < 8; i++) {
if ((tmp >> (i * 4)) & 0xF) {
/* at least one component is enabled */
if (track->cb_color_bo[i] == NULL) {
dev_warn(p->dev, "%s:%d mask 0x%08X | 0x%08X no cb for %d\n",
__func__, __LINE__, track->cb_target_mask, track->cb_shader_mask, i);
return -EINVAL;
}
/* perform rewrite of CB_COLOR[0-7]_SIZE */
r = r600_cs_track_validate_cb(p, i);
if (r)
return r;
}
}
/* Check depth buffer */
if (G_028800_STENCIL_ENABLE(track->db_depth_control) ||
G_028800_Z_ENABLE(track->db_depth_control)) {
u32 nviews, bpe, ntiles;
if (track->db_bo == NULL) {
dev_warn(p->dev, "z/stencil with no depth buffer\n");
return -EINVAL;
}
if (G_028010_TILE_SURFACE_ENABLE(track->db_depth_info)) {
dev_warn(p->dev, "this kernel doesn't support z/stencil htile\n");
return -EINVAL;
}
switch (G_028010_FORMAT(track->db_depth_info)) {
case V_028010_DEPTH_16:
bpe = 2;
break;
case V_028010_DEPTH_X8_24:
case V_028010_DEPTH_8_24:
case V_028010_DEPTH_X8_24_FLOAT:
case V_028010_DEPTH_8_24_FLOAT:
case V_028010_DEPTH_32_FLOAT:
bpe = 4;
break;
case V_028010_DEPTH_X24_8_32_FLOAT:
bpe = 8;
break;
default:
dev_warn(p->dev, "z/stencil with invalid format %d\n", G_028010_FORMAT(track->db_depth_info));
return -EINVAL;
}
if ((track->db_depth_size & 0xFFFFFC00) == 0xFFFFFC00) {
if (!track->db_depth_size_idx) {
dev_warn(p->dev, "z/stencil buffer size not set\n");
return -EINVAL;
}
printk_once(KERN_WARNING "You have old & broken userspace please consider updating mesa\n");
tmp = radeon_bo_size(track->db_bo) - track->db_offset;
tmp = (tmp / bpe) >> 6;
if (!tmp) {
dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %ld)\n",
track->db_depth_size, bpe, track->db_offset,
radeon_bo_size(track->db_bo));
return -EINVAL;
}
ib[track->db_depth_size_idx] = S_028000_SLICE_TILE_MAX(tmp - 1) | (track->db_depth_size & 0x3FF);
} else {
ntiles = G_028000_SLICE_TILE_MAX(track->db_depth_size) + 1;
nviews = G_028004_SLICE_MAX(track->db_depth_view) + 1;
tmp = ntiles * bpe * 64 * nviews;
if ((tmp + track->db_offset) > radeon_bo_size(track->db_bo)) {
dev_warn(p->dev, "z/stencil buffer too small (0x%08X %d %d %d -> %d have %ld)\n",
track->db_depth_size, ntiles, nviews, bpe, tmp + track->db_offset,
radeon_bo_size(track->db_bo));
return -EINVAL;
}
}
}
return 0;
}
/**
* r600_cs_packet_parse() - parse cp packet and point ib index to next packet
* @parser: parser structure holding parsing context.
* @pkt: where to store packet informations
*
* Assume that chunk_ib_index is properly set. Will return -EINVAL
* if packet is bigger than remaining ib size. or if packets is unknown.
**/
int r600_cs_packet_parse(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt,
unsigned idx)
{
struct radeon_cs_chunk *ib_chunk = &p->chunks[p->chunk_ib_idx];
uint32_t header;
if (idx >= ib_chunk->length_dw) {
DRM_ERROR("Can not parse packet at %d after CS end %d !\n",
idx, ib_chunk->length_dw);
return -EINVAL;
}
header = radeon_get_ib_value(p, idx);
pkt->idx = idx;
pkt->type = CP_PACKET_GET_TYPE(header);
pkt->count = CP_PACKET_GET_COUNT(header);
pkt->one_reg_wr = 0;
switch (pkt->type) {
case PACKET_TYPE0:
pkt->reg = CP_PACKET0_GET_REG(header);
break;
case PACKET_TYPE3:
pkt->opcode = CP_PACKET3_GET_OPCODE(header);
break;
case PACKET_TYPE2:
pkt->count = -1;
break;
default:
DRM_ERROR("Unknown packet type %d at %d !\n", pkt->type, idx);
return -EINVAL;
}
if ((pkt->count + 1 + pkt->idx) >= ib_chunk->length_dw) {
DRM_ERROR("Packet (%d:%d:%d) end after CS buffer (%d) !\n",
pkt->idx, pkt->type, pkt->count, ib_chunk->length_dw);
return -EINVAL;
}
return 0;
}
/**
* r600_cs_packet_next_reloc_mm() - parse next packet which should be reloc packet3
* @parser: parser structure holding parsing context.
* @data: pointer to relocation data
* @offset_start: starting offset
* @offset_mask: offset mask (to align start offset on)
* @reloc: reloc informations
*
* Check next packet is relocation packet3, do bo validation and compute
* GPU offset using the provided start.
**/
static int r600_cs_packet_next_reloc_mm(struct radeon_cs_parser *p,
struct radeon_cs_reloc **cs_reloc)
{
struct radeon_cs_chunk *relocs_chunk;
struct radeon_cs_packet p3reloc;
unsigned idx;
int r;
if (p->chunk_relocs_idx == -1) {
DRM_ERROR("No relocation chunk !\n");
return -EINVAL;
}
*cs_reloc = NULL;
relocs_chunk = &p->chunks[p->chunk_relocs_idx];
r = r600_cs_packet_parse(p, &p3reloc, p->idx);
if (r) {
return r;
}
p->idx += p3reloc.count + 2;
if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
DRM_ERROR("No packet3 for relocation for packet at %d.\n",
p3reloc.idx);
return -EINVAL;
}
idx = radeon_get_ib_value(p, p3reloc.idx + 1);
if (idx >= relocs_chunk->length_dw) {
DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
idx, relocs_chunk->length_dw);
return -EINVAL;
}
/* FIXME: we assume reloc size is 4 dwords */
*cs_reloc = p->relocs_ptr[(idx / 4)];
return 0;
}
/**
* r600_cs_packet_next_reloc_nomm() - parse next packet which should be reloc packet3
* @parser: parser structure holding parsing context.
* @data: pointer to relocation data
* @offset_start: starting offset
* @offset_mask: offset mask (to align start offset on)
* @reloc: reloc informations
*
* Check next packet is relocation packet3, do bo validation and compute
* GPU offset using the provided start.
**/
static int r600_cs_packet_next_reloc_nomm(struct radeon_cs_parser *p,
struct radeon_cs_reloc **cs_reloc)
{
struct radeon_cs_chunk *relocs_chunk;
struct radeon_cs_packet p3reloc;
unsigned idx;
int r;
if (p->chunk_relocs_idx == -1) {
DRM_ERROR("No relocation chunk !\n");
return -EINVAL;
}
*cs_reloc = NULL;
relocs_chunk = &p->chunks[p->chunk_relocs_idx];
r = r600_cs_packet_parse(p, &p3reloc, p->idx);
if (r) {
return r;
}
p->idx += p3reloc.count + 2;
if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
DRM_ERROR("No packet3 for relocation for packet at %d.\n",
p3reloc.idx);
return -EINVAL;
}
idx = radeon_get_ib_value(p, p3reloc.idx + 1);
if (idx >= relocs_chunk->length_dw) {
DRM_ERROR("Relocs at %d after relocations chunk end %d !\n",
idx, relocs_chunk->length_dw);
return -EINVAL;
}
*cs_reloc = p->relocs;
(*cs_reloc)->lobj.gpu_offset = (u64)relocs_chunk->kdata[idx + 3] << 32;
(*cs_reloc)->lobj.gpu_offset |= relocs_chunk->kdata[idx + 0];
return 0;
}
/**
* r600_cs_packet_next_is_pkt3_nop() - test if next packet is packet3 nop for reloc
* @parser: parser structure holding parsing context.
*
* Check next packet is relocation packet3, do bo validation and compute
* GPU offset using the provided start.
**/
static inline int r600_cs_packet_next_is_pkt3_nop(struct radeon_cs_parser *p)
{
struct radeon_cs_packet p3reloc;
int r;
r = r600_cs_packet_parse(p, &p3reloc, p->idx);
if (r) {
return 0;
}
if (p3reloc.type != PACKET_TYPE3 || p3reloc.opcode != PACKET3_NOP) {
return 0;
}
return 1;
}
/**
* r600_cs_packet_next_vline() - parse userspace VLINE packet
* @parser: parser structure holding parsing context.
*
* Userspace sends a special sequence for VLINE waits.
* PACKET0 - VLINE_START_END + value
* PACKET3 - WAIT_REG_MEM poll vline status reg
* RELOC (P3) - crtc_id in reloc.
*
* This function parses this and relocates the VLINE START END
* and WAIT_REG_MEM packets to the correct crtc.
* It also detects a switched off crtc and nulls out the
* wait in that case.
*/
static int r600_cs_packet_parse_vline(struct radeon_cs_parser *p)
{
struct drm_mode_object *obj;
struct drm_crtc *crtc;
struct radeon_crtc *radeon_crtc;
struct radeon_cs_packet p3reloc, wait_reg_mem;
int crtc_id;
int r;
uint32_t header, h_idx, reg, wait_reg_mem_info;
volatile uint32_t *ib;
ib = p->ib->ptr;
/* parse the WAIT_REG_MEM */
r = r600_cs_packet_parse(p, &wait_reg_mem, p->idx);
if (r)
return r;
/* check its a WAIT_REG_MEM */
if (wait_reg_mem.type != PACKET_TYPE3 ||
wait_reg_mem.opcode != PACKET3_WAIT_REG_MEM) {
DRM_ERROR("vline wait missing WAIT_REG_MEM segment\n");
r = -EINVAL;
return r;
}
wait_reg_mem_info = radeon_get_ib_value(p, wait_reg_mem.idx + 1);
/* bit 4 is reg (0) or mem (1) */
if (wait_reg_mem_info & 0x10) {
DRM_ERROR("vline WAIT_REG_MEM waiting on MEM rather than REG\n");
r = -EINVAL;
return r;
}
/* waiting for value to be equal */
if ((wait_reg_mem_info & 0x7) != 0x3) {
DRM_ERROR("vline WAIT_REG_MEM function not equal\n");
r = -EINVAL;
return r;
}
if ((radeon_get_ib_value(p, wait_reg_mem.idx + 2) << 2) != AVIVO_D1MODE_VLINE_STATUS) {
DRM_ERROR("vline WAIT_REG_MEM bad reg\n");
r = -EINVAL;
return r;
}
if (radeon_get_ib_value(p, wait_reg_mem.idx + 5) != AVIVO_D1MODE_VLINE_STAT) {
DRM_ERROR("vline WAIT_REG_MEM bad bit mask\n");
r = -EINVAL;
return r;
}
/* jump over the NOP */
r = r600_cs_packet_parse(p, &p3reloc, p->idx + wait_reg_mem.count + 2);
if (r)
return r;
h_idx = p->idx - 2;
p->idx += wait_reg_mem.count + 2;
p->idx += p3reloc.count + 2;
header = radeon_get_ib_value(p, h_idx);
crtc_id = radeon_get_ib_value(p, h_idx + 2 + 7 + 1);
reg = CP_PACKET0_GET_REG(header);
mutex_lock(&p->rdev->ddev->mode_config.mutex);
obj = drm_mode_object_find(p->rdev->ddev, crtc_id, DRM_MODE_OBJECT_CRTC);
if (!obj) {
DRM_ERROR("cannot find crtc %d\n", crtc_id);
r = -EINVAL;
goto out;
}
crtc = obj_to_crtc(obj);
radeon_crtc = to_radeon_crtc(crtc);
crtc_id = radeon_crtc->crtc_id;
if (!crtc->enabled) {
/* if the CRTC isn't enabled - we need to nop out the WAIT_REG_MEM */
ib[h_idx + 2] = PACKET2(0);
ib[h_idx + 3] = PACKET2(0);
ib[h_idx + 4] = PACKET2(0);
ib[h_idx + 5] = PACKET2(0);
ib[h_idx + 6] = PACKET2(0);
ib[h_idx + 7] = PACKET2(0);
ib[h_idx + 8] = PACKET2(0);
} else if (crtc_id == 1) {
switch (reg) {
case AVIVO_D1MODE_VLINE_START_END:
header &= ~R600_CP_PACKET0_REG_MASK;
header |= AVIVO_D2MODE_VLINE_START_END >> 2;
break;
default:
DRM_ERROR("unknown crtc reloc\n");
r = -EINVAL;
goto out;
}
ib[h_idx] = header;
ib[h_idx + 4] = AVIVO_D2MODE_VLINE_STATUS >> 2;
}
out:
mutex_unlock(&p->rdev->ddev->mode_config.mutex);
return r;
}
static int r600_packet0_check(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt,
unsigned idx, unsigned reg)
{
int r;
switch (reg) {
case AVIVO_D1MODE_VLINE_START_END:
r = r600_cs_packet_parse_vline(p);
if (r) {
DRM_ERROR("No reloc for ib[%d]=0x%04X\n",
idx, reg);
return r;
}
break;
default:
printk(KERN_ERR "Forbidden register 0x%04X in cs at %d\n",
reg, idx);
return -EINVAL;
}
return 0;
}
static int r600_cs_parse_packet0(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt)
{
unsigned reg, i;
unsigned idx;
int r;
idx = pkt->idx + 1;
reg = pkt->reg;
for (i = 0; i <= pkt->count; i++, idx++, reg += 4) {
r = r600_packet0_check(p, pkt, idx, reg);
if (r) {
return r;
}
}
return 0;
}
/**
* r600_cs_check_reg() - check if register is authorized or not
* @parser: parser structure holding parsing context
* @reg: register we are testing
* @idx: index into the cs buffer
*
* This function will test against r600_reg_safe_bm and return 0
* if register is safe. If register is not flag as safe this function
* will test it against a list of register needind special handling.
*/
static inline int r600_cs_check_reg(struct radeon_cs_parser *p, u32 reg, u32 idx)
{
struct r600_cs_track *track = (struct r600_cs_track *)p->track;
struct radeon_cs_reloc *reloc;
u32 last_reg = ARRAY_SIZE(r600_reg_safe_bm);
u32 m, i, tmp, *ib;
int r;
i = (reg >> 7);
if (i > last_reg) {
dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
return -EINVAL;
}
m = 1 << ((reg >> 2) & 31);
if (!(r600_reg_safe_bm[i] & m))
return 0;
ib = p->ib->ptr;
switch (reg) {
/* force following reg to 0 in an attemp to disable out buffer
* which will need us to better understand how it works to perform
* security check on it (Jerome)
*/
case R_0288A8_SQ_ESGS_RING_ITEMSIZE:
case R_008C44_SQ_ESGS_RING_SIZE:
case R_0288B0_SQ_ESTMP_RING_ITEMSIZE:
case R_008C54_SQ_ESTMP_RING_SIZE:
case R_0288C0_SQ_FBUF_RING_ITEMSIZE:
case R_008C74_SQ_FBUF_RING_SIZE:
case R_0288B4_SQ_GSTMP_RING_ITEMSIZE:
case R_008C5C_SQ_GSTMP_RING_SIZE:
case R_0288AC_SQ_GSVS_RING_ITEMSIZE:
case R_008C4C_SQ_GSVS_RING_SIZE:
case R_0288BC_SQ_PSTMP_RING_ITEMSIZE:
case R_008C6C_SQ_PSTMP_RING_SIZE:
case R_0288C4_SQ_REDUC_RING_ITEMSIZE:
case R_008C7C_SQ_REDUC_RING_SIZE:
case R_0288B8_SQ_VSTMP_RING_ITEMSIZE:
case R_008C64_SQ_VSTMP_RING_SIZE:
case R_0288C8_SQ_GS_VERT_ITEMSIZE:
/* get value to populate the IB don't remove */
tmp =radeon_get_ib_value(p, idx);
ib[idx] = 0;
break;
case R_028800_DB_DEPTH_CONTROL:
track->db_depth_control = radeon_get_ib_value(p, idx);
break;
case R_028010_DB_DEPTH_INFO:
track->db_depth_info = radeon_get_ib_value(p, idx);
break;
case R_028004_DB_DEPTH_VIEW:
track->db_depth_view = radeon_get_ib_value(p, idx);
break;
case R_028000_DB_DEPTH_SIZE:
track->db_depth_size = radeon_get_ib_value(p, idx);
track->db_depth_size_idx = idx;
break;
case R_028AB0_VGT_STRMOUT_EN:
track->vgt_strmout_en = radeon_get_ib_value(p, idx);
break;
case R_028B20_VGT_STRMOUT_BUFFER_EN:
track->vgt_strmout_buffer_en = radeon_get_ib_value(p, idx);
break;
case R_028238_CB_TARGET_MASK:
track->cb_target_mask = radeon_get_ib_value(p, idx);
break;
case R_02823C_CB_SHADER_MASK:
track->cb_shader_mask = radeon_get_ib_value(p, idx);
break;
case R_028C04_PA_SC_AA_CONFIG:
tmp = G_028C04_MSAA_NUM_SAMPLES(radeon_get_ib_value(p, idx));
track->nsamples = 1 << tmp;
break;
case R_0280A0_CB_COLOR0_INFO:
case R_0280A4_CB_COLOR1_INFO:
case R_0280A8_CB_COLOR2_INFO:
case R_0280AC_CB_COLOR3_INFO:
case R_0280B0_CB_COLOR4_INFO:
case R_0280B4_CB_COLOR5_INFO:
case R_0280B8_CB_COLOR6_INFO:
case R_0280BC_CB_COLOR7_INFO:
tmp = (reg - R_0280A0_CB_COLOR0_INFO) / 4;
track->cb_color_info[tmp] = radeon_get_ib_value(p, idx);
break;
case R_028060_CB_COLOR0_SIZE:
case R_028064_CB_COLOR1_SIZE:
case R_028068_CB_COLOR2_SIZE:
case R_02806C_CB_COLOR3_SIZE:
case R_028070_CB_COLOR4_SIZE:
case R_028074_CB_COLOR5_SIZE:
case R_028078_CB_COLOR6_SIZE:
case R_02807C_CB_COLOR7_SIZE:
tmp = (reg - R_028060_CB_COLOR0_SIZE) / 4;
track->cb_color_size[tmp] = radeon_get_ib_value(p, idx);
track->cb_color_size_idx[tmp] = idx;
break;
/* This register were added late, there is userspace
* which does provide relocation for those but set
* 0 offset. In order to avoid breaking old userspace
* we detect this and set address to point to last
* CB_COLOR0_BASE, note that if userspace doesn't set
* CB_COLOR0_BASE before this register we will report
* error. Old userspace always set CB_COLOR0_BASE
* before any of this.
*/
case R_0280E0_CB_COLOR0_FRAG:
case R_0280E4_CB_COLOR1_FRAG:
case R_0280E8_CB_COLOR2_FRAG:
case R_0280EC_CB_COLOR3_FRAG:
case R_0280F0_CB_COLOR4_FRAG:
case R_0280F4_CB_COLOR5_FRAG:
case R_0280F8_CB_COLOR6_FRAG:
case R_0280FC_CB_COLOR7_FRAG:
tmp = (reg - R_0280E0_CB_COLOR0_FRAG) / 4;
if (!r600_cs_packet_next_is_pkt3_nop(p)) {
if (!track->cb_color_base_last[tmp]) {
dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
return -EINVAL;
}
ib[idx] = track->cb_color_base_last[tmp];
printk_once(KERN_WARNING "You have old & broken userspace "
"please consider updating mesa & xf86-video-ati\n");
track->cb_color_frag_bo[tmp] = track->cb_color_bo[tmp];
} else {
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
return -EINVAL;
}
ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
track->cb_color_frag_bo[tmp] = reloc->robj;
}
break;
case R_0280C0_CB_COLOR0_TILE:
case R_0280C4_CB_COLOR1_TILE:
case R_0280C8_CB_COLOR2_TILE:
case R_0280CC_CB_COLOR3_TILE:
case R_0280D0_CB_COLOR4_TILE:
case R_0280D4_CB_COLOR5_TILE:
case R_0280D8_CB_COLOR6_TILE:
case R_0280DC_CB_COLOR7_TILE:
tmp = (reg - R_0280C0_CB_COLOR0_TILE) / 4;
if (!r600_cs_packet_next_is_pkt3_nop(p)) {
if (!track->cb_color_base_last[tmp]) {
dev_err(p->dev, "Broken old userspace ? no cb_color0_base supplied before trying to write 0x%08X\n", reg);
return -EINVAL;
}
ib[idx] = track->cb_color_base_last[tmp];
printk_once(KERN_WARNING "You have old & broken userspace "
"please consider updating mesa & xf86-video-ati\n");
track->cb_color_tile_bo[tmp] = track->cb_color_bo[tmp];
} else {
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
dev_err(p->dev, "bad SET_CONTEXT_REG 0x%04X\n", reg);
return -EINVAL;
}
ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
track->cb_color_tile_bo[tmp] = reloc->robj;
}
break;
case CB_COLOR0_BASE:
case CB_COLOR1_BASE:
case CB_COLOR2_BASE:
case CB_COLOR3_BASE:
case CB_COLOR4_BASE:
case CB_COLOR5_BASE:
case CB_COLOR6_BASE:
case CB_COLOR7_BASE:
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
dev_warn(p->dev, "bad SET_CONTEXT_REG "
"0x%04X\n", reg);
return -EINVAL;
}
tmp = (reg - CB_COLOR0_BASE) / 4;
track->cb_color_bo_offset[tmp] = radeon_get_ib_value(p, idx);
ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
track->cb_color_base_last[tmp] = ib[idx];
track->cb_color_bo[tmp] = reloc->robj;
break;
case DB_DEPTH_BASE:
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
dev_warn(p->dev, "bad SET_CONTEXT_REG "
"0x%04X\n", reg);
return -EINVAL;
}
track->db_offset = radeon_get_ib_value(p, idx);
ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
track->db_bo = reloc->robj;
break;
case DB_HTILE_DATA_BASE:
case SQ_PGM_START_FS:
case SQ_PGM_START_ES:
case SQ_PGM_START_VS:
case SQ_PGM_START_GS:
case SQ_PGM_START_PS:
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
dev_warn(p->dev, "bad SET_CONTEXT_REG "
"0x%04X\n", reg);
return -EINVAL;
}
ib[idx] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
break;
default:
dev_warn(p->dev, "forbidden register 0x%08x at %d\n", reg, idx);
return -EINVAL;
}
return 0;
}
static inline unsigned minify(unsigned size, unsigned levels)
{
size = size >> levels;
if (size < 1)
size = 1;
return size;
}
static void r600_texture_size(unsigned nfaces, unsigned blevel, unsigned nlevels,
unsigned w0, unsigned h0, unsigned d0, unsigned bpe,
unsigned *l0_size, unsigned *mipmap_size)
{
unsigned offset, i, level, face;
unsigned width, height, depth, rowstride, size;
w0 = minify(w0, 0);
h0 = minify(h0, 0);
d0 = minify(d0, 0);
for(i = 0, offset = 0, level = blevel; i < nlevels; i++, level++) {
width = minify(w0, i);
height = minify(h0, i);
depth = minify(d0, i);
for(face = 0; face < nfaces; face++) {
rowstride = ((width * bpe) + 255) & ~255;
size = height * rowstride * depth;
offset += size;
offset = (offset + 0x1f) & ~0x1f;
}
}
*l0_size = (((w0 * bpe) + 255) & ~255) * h0 * d0;
*mipmap_size = offset;
if (!blevel)
*mipmap_size -= *l0_size;
if (!nlevels)
*mipmap_size = *l0_size;
}
/**
* r600_check_texture_resource() - check if register is authorized or not
* @p: parser structure holding parsing context
* @idx: index into the cs buffer
* @texture: texture's bo structure
* @mipmap: mipmap's bo structure
*
* This function will check that the resource has valid field and that
* the texture and mipmap bo object are big enough to cover this resource.
*/
static inline int r600_check_texture_resource(struct radeon_cs_parser *p, u32 idx,
struct radeon_bo *texture,
struct radeon_bo *mipmap)
{
u32 nfaces, nlevels, blevel, w0, h0, d0, bpe = 0;
u32 word0, word1, l0_size, mipmap_size;
/* on legacy kernel we don't perform advanced check */
if (p->rdev == NULL)
return 0;
word0 = radeon_get_ib_value(p, idx + 0);
word1 = radeon_get_ib_value(p, idx + 1);
w0 = G_038000_TEX_WIDTH(word0) + 1;
h0 = G_038004_TEX_HEIGHT(word1) + 1;
d0 = G_038004_TEX_DEPTH(word1);
nfaces = 1;
switch (G_038000_DIM(word0)) {
case V_038000_SQ_TEX_DIM_1D:
case V_038000_SQ_TEX_DIM_2D:
case V_038000_SQ_TEX_DIM_3D:
break;
case V_038000_SQ_TEX_DIM_CUBEMAP:
nfaces = 6;
break;
case V_038000_SQ_TEX_DIM_1D_ARRAY:
case V_038000_SQ_TEX_DIM_2D_ARRAY:
case V_038000_SQ_TEX_DIM_2D_MSAA:
case V_038000_SQ_TEX_DIM_2D_ARRAY_MSAA:
default:
dev_warn(p->dev, "this kernel doesn't support %d texture dim\n", G_038000_DIM(word0));
return -EINVAL;
}
if (r600_bpe_from_format(&bpe, G_038004_DATA_FORMAT(word1))) {
dev_warn(p->dev, "%s:%d texture invalid format %d\n",
__func__, __LINE__, G_038004_DATA_FORMAT(word1));
return -EINVAL;
}
word0 = radeon_get_ib_value(p, idx + 4);
word1 = radeon_get_ib_value(p, idx + 5);
blevel = G_038010_BASE_LEVEL(word0);
nlevels = G_038014_LAST_LEVEL(word1);
r600_texture_size(nfaces, blevel, nlevels, w0, h0, d0, bpe, &l0_size, &mipmap_size);
/* using get ib will give us the offset into the texture bo */
word0 = radeon_get_ib_value(p, idx + 2);
if ((l0_size + word0) > radeon_bo_size(texture)) {
dev_warn(p->dev, "texture bo too small (%d %d %d %d -> %d have %ld)\n",
w0, h0, bpe, word0, l0_size, radeon_bo_size(texture));
return -EINVAL;
}
/* using get ib will give us the offset into the mipmap bo */
word0 = radeon_get_ib_value(p, idx + 3);
if ((mipmap_size + word0) > radeon_bo_size(mipmap)) {
dev_warn(p->dev, "mipmap bo too small (%d %d %d %d %d %d -> %d have %ld)\n",
w0, h0, bpe, blevel, nlevels, word0, mipmap_size, radeon_bo_size(texture));
return -EINVAL;
}
return 0;
}
static int r600_packet3_check(struct radeon_cs_parser *p,
struct radeon_cs_packet *pkt)
{
struct radeon_cs_reloc *reloc;
struct r600_cs_track *track;
volatile u32 *ib;
unsigned idx;
unsigned i;
unsigned start_reg, end_reg, reg;
int r;
u32 idx_value;
track = (struct r600_cs_track *)p->track;
ib = p->ib->ptr;
idx = pkt->idx + 1;
idx_value = radeon_get_ib_value(p, idx);
switch (pkt->opcode) {
case PACKET3_START_3D_CMDBUF:
if (p->family >= CHIP_RV770 || pkt->count) {
DRM_ERROR("bad START_3D\n");
return -EINVAL;
}
break;
case PACKET3_CONTEXT_CONTROL:
if (pkt->count != 1) {
DRM_ERROR("bad CONTEXT_CONTROL\n");
return -EINVAL;
}
break;
case PACKET3_INDEX_TYPE:
case PACKET3_NUM_INSTANCES:
if (pkt->count) {
DRM_ERROR("bad INDEX_TYPE/NUM_INSTANCES\n");
return -EINVAL;
}
break;
case PACKET3_DRAW_INDEX:
if (pkt->count != 3) {
DRM_ERROR("bad DRAW_INDEX\n");
return -EINVAL;
}
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("bad DRAW_INDEX\n");
return -EINVAL;
}
ib[idx+0] = idx_value + (u32)(reloc->lobj.gpu_offset & 0xffffffff);
ib[idx+1] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
r = r600_cs_track_check(p);
if (r) {
dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
return r;
}
break;
case PACKET3_DRAW_INDEX_AUTO:
if (pkt->count != 1) {
DRM_ERROR("bad DRAW_INDEX_AUTO\n");
return -EINVAL;
}
r = r600_cs_track_check(p);
if (r) {
dev_warn(p->dev, "%s:%d invalid cmd stream %d\n", __func__, __LINE__, idx);
return r;
}
break;
case PACKET3_DRAW_INDEX_IMMD_BE:
case PACKET3_DRAW_INDEX_IMMD:
if (pkt->count < 2) {
DRM_ERROR("bad DRAW_INDEX_IMMD\n");
return -EINVAL;
}
r = r600_cs_track_check(p);
if (r) {
dev_warn(p->dev, "%s:%d invalid cmd stream\n", __func__, __LINE__);
return r;
}
break;
case PACKET3_WAIT_REG_MEM:
if (pkt->count != 5) {
DRM_ERROR("bad WAIT_REG_MEM\n");
return -EINVAL;
}
/* bit 4 is reg (0) or mem (1) */
if (idx_value & 0x10) {
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("bad WAIT_REG_MEM\n");
return -EINVAL;
}
ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff);
ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
}
break;
case PACKET3_SURFACE_SYNC:
if (pkt->count != 3) {
DRM_ERROR("bad SURFACE_SYNC\n");
return -EINVAL;
}
/* 0xffffffff/0x0 is flush all cache flag */
if (radeon_get_ib_value(p, idx + 1) != 0xffffffff ||
radeon_get_ib_value(p, idx + 2) != 0) {
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("bad SURFACE_SYNC\n");
return -EINVAL;
}
ib[idx+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
}
break;
case PACKET3_EVENT_WRITE:
if (pkt->count != 2 && pkt->count != 0) {
DRM_ERROR("bad EVENT_WRITE\n");
return -EINVAL;
}
if (pkt->count) {
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("bad EVENT_WRITE\n");
return -EINVAL;
}
ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff);
ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
}
break;
case PACKET3_EVENT_WRITE_EOP:
if (pkt->count != 4) {
DRM_ERROR("bad EVENT_WRITE_EOP\n");
return -EINVAL;
}
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("bad EVENT_WRITE\n");
return -EINVAL;
}
ib[idx+1] += (u32)(reloc->lobj.gpu_offset & 0xffffffff);
ib[idx+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
break;
case PACKET3_SET_CONFIG_REG:
start_reg = (idx_value << 2) + PACKET3_SET_CONFIG_REG_OFFSET;
end_reg = 4 * pkt->count + start_reg - 4;
if ((start_reg < PACKET3_SET_CONFIG_REG_OFFSET) ||
(start_reg >= PACKET3_SET_CONFIG_REG_END) ||
(end_reg >= PACKET3_SET_CONFIG_REG_END)) {
DRM_ERROR("bad PACKET3_SET_CONFIG_REG\n");
return -EINVAL;
}
for (i = 0; i < pkt->count; i++) {
reg = start_reg + (4 * i);
r = r600_cs_check_reg(p, reg, idx+1+i);
if (r)
return r;
}
break;
case PACKET3_SET_CONTEXT_REG:
start_reg = (idx_value << 2) + PACKET3_SET_CONTEXT_REG_OFFSET;
end_reg = 4 * pkt->count + start_reg - 4;
if ((start_reg < PACKET3_SET_CONTEXT_REG_OFFSET) ||
(start_reg >= PACKET3_SET_CONTEXT_REG_END) ||
(end_reg >= PACKET3_SET_CONTEXT_REG_END)) {
DRM_ERROR("bad PACKET3_SET_CONTEXT_REG\n");
return -EINVAL;
}
for (i = 0; i < pkt->count; i++) {
reg = start_reg + (4 * i);
r = r600_cs_check_reg(p, reg, idx+1+i);
if (r)
return r;
}
break;
case PACKET3_SET_RESOURCE:
if (pkt->count % 7) {
DRM_ERROR("bad SET_RESOURCE\n");
return -EINVAL;
}
start_reg = (idx_value << 2) + PACKET3_SET_RESOURCE_OFFSET;
end_reg = 4 * pkt->count + start_reg - 4;
if ((start_reg < PACKET3_SET_RESOURCE_OFFSET) ||
(start_reg >= PACKET3_SET_RESOURCE_END) ||
(end_reg >= PACKET3_SET_RESOURCE_END)) {
DRM_ERROR("bad SET_RESOURCE\n");
return -EINVAL;
}
for (i = 0; i < (pkt->count / 7); i++) {
struct radeon_bo *texture, *mipmap;
u32 size, offset;
switch (G__SQ_VTX_CONSTANT_TYPE(radeon_get_ib_value(p, idx+(i*7)+6+1))) {
case SQ_TEX_VTX_VALID_TEXTURE:
/* tex base */
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("bad SET_RESOURCE\n");
return -EINVAL;
}
ib[idx+1+(i*7)+2] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
texture = reloc->robj;
/* tex mip base */
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("bad SET_RESOURCE\n");
return -EINVAL;
}
ib[idx+1+(i*7)+3] += (u32)((reloc->lobj.gpu_offset >> 8) & 0xffffffff);
mipmap = reloc->robj;
r = r600_check_texture_resource(p, idx+(i*7)+1,
texture, mipmap);
if (r)
return r;
break;
case SQ_TEX_VTX_VALID_BUFFER:
/* vtx base */
r = r600_cs_packet_next_reloc(p, &reloc);
if (r) {
DRM_ERROR("bad SET_RESOURCE\n");
return -EINVAL;
}
offset = radeon_get_ib_value(p, idx+1+(i*7)+0);
size = radeon_get_ib_value(p, idx+1+(i*7)+1);
if (p->rdev && (size + offset) > radeon_bo_size(reloc->robj)) {
/* force size to size of the buffer */
dev_warn(p->dev, "vbo resource seems too big for the bo\n");
ib[idx+1+(i*7)+1] = radeon_bo_size(reloc->robj);
}
ib[idx+1+(i*7)+0] += (u32)((reloc->lobj.gpu_offset) & 0xffffffff);
ib[idx+1+(i*7)+2] += upper_32_bits(reloc->lobj.gpu_offset) & 0xff;
break;
case SQ_TEX_VTX_INVALID_TEXTURE:
case SQ_TEX_VTX_INVALID_BUFFER:
default:
DRM_ERROR("bad SET_RESOURCE\n");
return -EINVAL;
}
}
break;
case PACKET3_SET_ALU_CONST:
start_reg = (idx_value << 2) + PACKET3_SET_ALU_CONST_OFFSET;
end_reg = 4 * pkt->count + start_reg - 4;
if ((start_reg < PACKET3_SET_ALU_CONST_OFFSET) ||
(start_reg >= PACKET3_SET_ALU_CONST_END) ||
(end_reg >= PACKET3_SET_ALU_CONST_END)) {
DRM_ERROR("bad SET_ALU_CONST\n");
return -EINVAL;
}
break;
case PACKET3_SET_BOOL_CONST:
start_reg = (idx_value << 2) + PACKET3_SET_BOOL_CONST_OFFSET;
end_reg = 4 * pkt->count + start_reg - 4;
if ((start_reg < PACKET3_SET_BOOL_CONST_OFFSET) ||
(start_reg >= PACKET3_SET_BOOL_CONST_END) ||
(end_reg >= PACKET3_SET_BOOL_CONST_END)) {
DRM_ERROR("bad SET_BOOL_CONST\n");
return -EINVAL;
}
break;
case PACKET3_SET_LOOP_CONST:
start_reg = (idx_value << 2) + PACKET3_SET_LOOP_CONST_OFFSET;
end_reg = 4 * pkt->count + start_reg - 4;
if ((start_reg < PACKET3_SET_LOOP_CONST_OFFSET) ||
(start_reg >= PACKET3_SET_LOOP_CONST_END) ||
(end_reg >= PACKET3_SET_LOOP_CONST_END)) {
DRM_ERROR("bad SET_LOOP_CONST\n");
return -EINVAL;
}
break;
case PACKET3_SET_CTL_CONST:
start_reg = (idx_value << 2) + PACKET3_SET_CTL_CONST_OFFSET;
end_reg = 4 * pkt->count + start_reg - 4;
if ((start_reg < PACKET3_SET_CTL_CONST_OFFSET) ||
(start_reg >= PACKET3_SET_CTL_CONST_END) ||
(end_reg >= PACKET3_SET_CTL_CONST_END)) {
DRM_ERROR("bad SET_CTL_CONST\n");
return -EINVAL;
}
break;
case PACKET3_SET_SAMPLER:
if (pkt->count % 3) {
DRM_ERROR("bad SET_SAMPLER\n");
return -EINVAL;
}
start_reg = (idx_value << 2) + PACKET3_SET_SAMPLER_OFFSET;
end_reg = 4 * pkt->count + start_reg - 4;
if ((start_reg < PACKET3_SET_SAMPLER_OFFSET) ||
(start_reg >= PACKET3_SET_SAMPLER_END) ||
(end_reg >= PACKET3_SET_SAMPLER_END)) {
DRM_ERROR("bad SET_SAMPLER\n");
return -EINVAL;
}
break;
case PACKET3_SURFACE_BASE_UPDATE:
if (p->family >= CHIP_RV770 || p->family == CHIP_R600) {
DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
return -EINVAL;
}
if (pkt->count) {
DRM_ERROR("bad SURFACE_BASE_UPDATE\n");
return -EINVAL;
}
break;
case PACKET3_NOP:
break;
default:
DRM_ERROR("Packet3 opcode %x not supported\n", pkt->opcode);
return -EINVAL;
}
return 0;
}
int r600_cs_parse(struct radeon_cs_parser *p)
{
struct radeon_cs_packet pkt;
struct r600_cs_track *track;
int r;
if (p->track == NULL) {
/* initialize tracker, we are in kms */
track = kzalloc(sizeof(*track), GFP_KERNEL);
if (track == NULL)
return -ENOMEM;
r600_cs_track_init(track);
if (p->rdev->family < CHIP_RV770) {
track->npipes = p->rdev->config.r600.tiling_npipes;
track->nbanks = p->rdev->config.r600.tiling_nbanks;
track->group_size = p->rdev->config.r600.tiling_group_size;
} else if (p->rdev->family <= CHIP_RV740) {
track->npipes = p->rdev->config.rv770.tiling_npipes;
track->nbanks = p->rdev->config.rv770.tiling_nbanks;
track->group_size = p->rdev->config.rv770.tiling_group_size;
}
p->track = track;
}
do {
r = r600_cs_packet_parse(p, &pkt, p->idx);
if (r) {
kfree(p->track);
p->track = NULL;
return r;
}
p->idx += pkt.count + 2;
switch (pkt.type) {
case PACKET_TYPE0:
r = r600_cs_parse_packet0(p, &pkt);
break;
case PACKET_TYPE2:
break;
case PACKET_TYPE3:
r = r600_packet3_check(p, &pkt);
break;
default:
DRM_ERROR("Unknown packet type %d !\n", pkt.type);
kfree(p->track);
p->track = NULL;
return -EINVAL;
}
if (r) {
kfree(p->track);
p->track = NULL;
return r;
}
} while (p->idx < p->chunks[p->chunk_ib_idx].length_dw);
#if 0
for (r = 0; r < p->ib->length_dw; r++) {
printk(KERN_INFO "%05d 0x%08X\n", r, p->ib->ptr[r]);
mdelay(1);
}
#endif
kfree(p->track);
p->track = NULL;
return 0;
}
static int r600_cs_parser_relocs_legacy(struct radeon_cs_parser *p)
{
if (p->chunk_relocs_idx == -1) {
return 0;
}
p->relocs = kzalloc(sizeof(struct radeon_cs_reloc), GFP_KERNEL);
if (p->relocs == NULL) {
return -ENOMEM;
}
return 0;
}
/**
* cs_parser_fini() - clean parser states
* @parser: parser structure holding parsing context.
* @error: error number
*
* If error is set than unvalidate buffer, otherwise just free memory
* used by parsing context.
**/
static void r600_cs_parser_fini(struct radeon_cs_parser *parser, int error)
{
unsigned i;
kfree(parser->relocs);
for (i = 0; i < parser->nchunks; i++) {
kfree(parser->chunks[i].kdata);
kfree(parser->chunks[i].kpage[0]);
kfree(parser->chunks[i].kpage[1]);
}
kfree(parser->chunks);
kfree(parser->chunks_array);
}
int r600_cs_legacy(struct drm_device *dev, void *data, struct drm_file *filp,
unsigned family, u32 *ib, int *l)
{
struct radeon_cs_parser parser;
struct radeon_cs_chunk *ib_chunk;
struct radeon_ib fake_ib;
struct r600_cs_track *track;
int r;
/* initialize tracker */
track = kzalloc(sizeof(*track), GFP_KERNEL);
if (track == NULL)
return -ENOMEM;
r600_cs_track_init(track);
r600_cs_legacy_get_tiling_conf(dev, &track->npipes, &track->nbanks, &track->group_size);
/* initialize parser */
memset(&parser, 0, sizeof(struct radeon_cs_parser));
parser.filp = filp;
parser.dev = &dev->pdev->dev;
parser.rdev = NULL;
parser.family = family;
parser.ib = &fake_ib;
parser.track = track;
fake_ib.ptr = ib;
r = radeon_cs_parser_init(&parser, data);
if (r) {
DRM_ERROR("Failed to initialize parser !\n");
r600_cs_parser_fini(&parser, r);
return r;
}
r = r600_cs_parser_relocs_legacy(&parser);
if (r) {
DRM_ERROR("Failed to parse relocation !\n");
r600_cs_parser_fini(&parser, r);
return r;
}
/* Copy the packet into the IB, the parser will read from the
* input memory (cached) and write to the IB (which can be
* uncached). */
ib_chunk = &parser.chunks[parser.chunk_ib_idx];
parser.ib->length_dw = ib_chunk->length_dw;
*l = parser.ib->length_dw;
r = r600_cs_parse(&parser);
if (r) {
DRM_ERROR("Invalid command stream !\n");
r600_cs_parser_fini(&parser, r);
return r;
}
r = radeon_cs_finish_pages(&parser);
if (r) {
DRM_ERROR("Invalid command stream !\n");
r600_cs_parser_fini(&parser, r);
return r;
}
r600_cs_parser_fini(&parser, r);
return r;
}
void r600_cs_legacy_init(void)
{
r600_cs_packet_next_reloc = &r600_cs_packet_next_reloc_nomm;
}