From 0b25cbf9c26c4edf2cb12b542faf94d77586c916 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Fri, 28 Sep 2018 14:23:11 +0800 Subject: drm/amdgpu/psp: avoid hard-code fence value pre submission Hard-code submission fence is not a sustainable way as there is more and more run-time psp kernel mode submission from driver to fw Signed-off-by: Hawking Zhang Acked-by: Alex Deucher Reviewed-by: Huang Rui Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index 8b8720e9c3f0..5bc59bcb3097 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -96,7 +96,7 @@ struct psp_context const struct psp_funcs *funcs; - /* fence buffer */ + /* firmware buffer */ struct amdgpu_bo *fw_pri_bo; uint64_t fw_pri_mc_addr; void *fw_pri_buf; @@ -134,6 +134,9 @@ struct psp_context struct amdgpu_bo *cmd_buf_bo; uint64_t cmd_buf_mc_addr; struct psp_gfx_cmd_resp *cmd_buf_mem; + + /* fence value associated with cmd buffer */ + atomic_t fence_value; }; struct amdgpu_psp_funcs { -- cgit v1.2.3 From f0cfa19579fae3bd06366ebccdba26020bb6214a Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Thu, 11 Oct 2018 15:36:15 +0800 Subject: drm/amdgpu/psp: add structure for xgmi ta and its shared buffer Add data structures for xgmi trusted application. Signed-off-by: Hawking Zhang Acked-by: Alex Deucher Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index 5bc59bcb3097..26f17d9fcd4c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -30,7 +30,8 @@ #define PSP_FENCE_BUFFER_SIZE 0x1000 #define PSP_CMD_BUFFER_SIZE 0x1000 -#define PSP_ASD_SHARED_MEM_SIZE 0x4000 +#define PSP_ASD_SHARED_MEM_SIZE 0x4000 +#define PSP_XGMI_SHARED_MEM_SIZE 0x4000 #define PSP_1_MEG 0x100000 #define PSP_TMR_SIZE 0x400000 @@ -88,6 +89,14 @@ struct psp_funcs struct psp_xgmi_topology_info *topology); }; +struct psp_xgmi_context { + uint8_t initialized; + uint32_t session_id; + struct amdgpu_bo *xgmi_shared_bo; + uint64_t xgmi_shared_mc_addr; + void *xgmi_shared_buf; +}; + struct psp_context { struct amdgpu_device *adev; @@ -137,6 +146,13 @@ struct psp_context /* fence value associated with cmd buffer */ atomic_t fence_value; + + /* xgmi ta firmware and buffer */ + const struct firmware *ta_fw; + uint32_t ta_xgmi_ucode_version; + uint32_t ta_xgmi_ucode_size; + uint8_t *ta_xgmi_start_addr; + struct psp_xgmi_context xgmi_context; }; struct amdgpu_psp_funcs { -- cgit v1.2.3 From ca6e1e59a24bf4aed4d017163f8184eb4e384a9b Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Fri, 28 Sep 2018 15:01:57 +0800 Subject: drm/amdgpu/psp: add helper function to invoke xgmi ta per ta cmd_id psp_xgmi_invoke is the helper function to issue ta cmd to firmware Signed-off-by: Hawking Zhang Acked-by: Alex Deucher Reviewed-by: Huang Rui Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c | 36 +++++++++++++++++++++++++++++++++ drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 3 +++ 2 files changed, 39 insertions(+) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c index a639bedb0ad3..07f9fcb59c0a 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.c @@ -369,6 +369,42 @@ static int psp_xgmi_unload(struct psp_context *psp) return ret; } +static void psp_prep_xgmi_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd, + uint32_t ta_cmd_id, + uint32_t xgmi_session_id) +{ + cmd->cmd_id = GFX_CMD_ID_INVOKE_CMD; + cmd->cmd.cmd_invoke_cmd.session_id = xgmi_session_id; + cmd->cmd.cmd_invoke_cmd.ta_cmd_id = ta_cmd_id; + /* Note: cmd_invoke_cmd.buf is not used for now */ +} + +int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id) +{ + int ret; + struct psp_gfx_cmd_resp *cmd; + + /* + * TODO: bypass the loading in sriov for now + */ + if (amdgpu_sriov_vf(psp->adev)) + return 0; + + cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL); + if (!cmd) + return -ENOMEM; + + psp_prep_xgmi_ta_invoke_cmd_buf(cmd, ta_cmd_id, + psp->xgmi_context.session_id); + + ret = psp_cmd_submit_buf(psp, NULL, cmd, + psp->fence_buf_mc_addr); + + kfree(cmd); + + return ret; +} + static int psp_hw_start(struct psp_context *psp) { struct amdgpu_device *adev = psp->adev; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index 26f17d9fcd4c..000e12b437f0 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -27,6 +27,7 @@ #include "amdgpu.h" #include "psp_gfx_if.h" +#include "ta_xgmi_if.h" #define PSP_FENCE_BUFFER_SIZE 0x1000 #define PSP_CMD_BUFFER_SIZE 0x1000 @@ -218,6 +219,8 @@ extern int psp_wait_for(struct psp_context *psp, uint32_t reg_index, extern const struct amdgpu_ip_block_version psp_v10_0_ip_block; int psp_gpu_reset(struct amdgpu_device *adev); +int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id); + extern const struct amdgpu_ip_block_version psp_v11_0_ip_block; #endif -- cgit v1.2.3 From dd3c45d306220b7f3e40fd1457eaf480ab7d1b26 Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Fri, 28 Sep 2018 21:50:37 +0800 Subject: drm/amdgpu/psp: add get_node_id function get_node_id function is used for driver to get node_id for current device from xgmi ta Signed-off-by: Hawking Zhang Acked-by: Alex Deucher Reviewed-by: Huang Rui Reviewed-by: Shaoyun Liu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h | 2 +- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 8 ++++---- drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 8 ++++---- drivers/gpu/drm/amd/amdgpu/psp_v11_0.c | 19 +++++++++++++++++++ 4 files changed, 28 insertions(+), 9 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h index 4c5f18cf5b69..8c57924c075f 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gmc.h @@ -89,7 +89,7 @@ struct amdgpu_gmc_funcs { struct amdgpu_xgmi { /* from psp */ - u64 device_id; + u64 node_id; u64 hive_id; /* fixed per family */ u64 node_segment_size; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index 000e12b437f0..28700a80cddd 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -82,7 +82,7 @@ struct psp_funcs enum AMDGPU_UCODE_ID ucode_type); bool (*smu_reload_quirk)(struct psp_context *psp); int (*mode1_reset)(struct psp_context *psp); - uint64_t (*xgmi_get_device_id)(struct psp_context *psp); + uint64_t (*xgmi_get_node_id)(struct psp_context *psp); uint64_t (*xgmi_get_hive_id)(struct psp_context *psp); int (*xgmi_get_topology_info)(struct psp_context *psp, int number_devices, struct psp_xgmi_topology_info *topology); @@ -163,7 +163,7 @@ struct amdgpu_psp_funcs { struct psp_xgmi_topology_info { /* Generated by PSP to identify the GPU instance within xgmi connection */ - uint64_t device_id; + uint64_t node_id; /* * If all bits set to 0 , driver indicates it wants to retrieve the xgmi * connection vector topology, but not access enable the connections @@ -197,8 +197,8 @@ struct psp_xgmi_topology_info { ((psp)->funcs->smu_reload_quirk ? (psp)->funcs->smu_reload_quirk((psp)) : false) #define psp_mode1_reset(psp) \ ((psp)->funcs->mode1_reset ? (psp)->funcs->mode1_reset((psp)) : false) -#define psp_xgmi_get_device_id(psp) \ - ((psp)->funcs->xgmi_get_device_id ? (psp)->funcs->xgmi_get_device_id((psp)) : 0) +#define psp_xgmi_get_node_id(psp) \ + ((psp)->funcs->xgmi_get_node_id ? (psp)->funcs->xgmi_get_node_id((psp)) : 0) #define psp_xgmi_get_hive_id(psp) \ ((psp)->funcs->xgmi_get_hive_id ? (psp)->funcs->xgmi_get_hive_id((psp)) : 0) #define psp_xgmi_get_topology_info(psp, num_device, topology) \ diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index 897afbb348c1..32896ba12c67 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -73,7 +73,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) if ((adev->asic_type < CHIP_VEGA20) || (adev->flags & AMD_IS_APU) ) return 0; - adev->gmc.xgmi.device_id = psp_xgmi_get_device_id(&adev->psp); + adev->gmc.xgmi.node_id = psp_xgmi_get_node_id(&adev->psp); adev->gmc.xgmi.hive_id = psp_xgmi_get_hive_id(&adev->psp); memset(&tmp_topology[0], 0, sizeof(tmp_topology)); @@ -84,13 +84,13 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) list_add_tail(&adev->gmc.xgmi.head, &hive->device_list); list_for_each_entry(entry, &hive->device_list, head) - tmp_topology[count++].device_id = entry->device_id; + tmp_topology[count++].node_id = entry->node_id; ret = psp_xgmi_get_topology_info(&adev->psp, count, tmp_topology); if (ret) { dev_err(adev->dev, "XGMI: Get topology failure on device %llx, hive %llx, ret %d", - adev->gmc.xgmi.device_id, + adev->gmc.xgmi.node_id, adev->gmc.xgmi.hive_id, ret); goto exit; } @@ -100,7 +100,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) if (ret) { dev_err(tmp_adev->dev, "XGMI: Set topology failure on device %llx, hive %llx, ret %d", - tmp_adev->gmc.xgmi.device_id, + tmp_adev->gmc.xgmi.node_id, tmp_adev->gmc.xgmi.hive_id, ret); /* To do : continue with some node failed or disable the whole hive */ break; diff --git a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c index 902b0e6a02bf..6333413f51df 100644 --- a/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c +++ b/drivers/gpu/drm/amd/amdgpu/psp_v11_0.c @@ -590,6 +590,24 @@ static u64 psp_v11_0_xgmi_get_hive_id(struct psp_context *psp) return hive_id; } +static u64 psp_v11_0_xgmi_get_node_id(struct psp_context *psp) +{ + struct ta_xgmi_shared_memory *xgmi_cmd; + int ret; + + xgmi_cmd = (struct ta_xgmi_shared_memory*)psp->xgmi_context.xgmi_shared_buf; + memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory)); + + xgmi_cmd->cmd_id = TA_COMMAND_XGMI__GET_NODE_ID; + + /* Invoke xgmi ta to get the node id */ + ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id); + if (ret) + return 0; + else + return xgmi_cmd->xgmi_out_message.get_node_id.node_id; +} + static const struct psp_funcs psp_v11_0_funcs = { .init_microcode = psp_v11_0_init_microcode, .bootloader_load_sysdrv = psp_v11_0_bootloader_load_sysdrv, @@ -605,6 +623,7 @@ static const struct psp_funcs psp_v11_0_funcs = { .xgmi_get_topology_info = psp_v11_0_xgmi_get_topology_info, .xgmi_set_topology_info = psp_v11_0_xgmi_set_topology_info, .xgmi_get_hive_id = psp_v11_0_xgmi_get_hive_id, + .xgmi_get_node_id = psp_v11_0_xgmi_get_node_id, }; void psp_v11_0_set_psp_funcs(struct psp_context *psp) -- cgit v1.2.3 From 593caa07ad6ad43bcd9edb36d828000053af7e2d Mon Sep 17 00:00:00 2001 From: Hawking Zhang Date: Sat, 29 Sep 2018 21:52:50 +0800 Subject: drm/amdgpu/psp: update topology info structures topology info structure needs to match with the one defined in xgmi ta Signed-off-by: Hawking Zhang Reviewed-by: Shaoyun Liu Signed-off-by: Alex Deucher --- drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h | 29 +++++++++++++---------------- drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c | 12 +++++------- 2 files changed, 18 insertions(+), 23 deletions(-) (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h') diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h index 28700a80cddd..9ec5d1a666a6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_psp.h @@ -37,6 +37,7 @@ #define PSP_TMR_SIZE 0x400000 struct psp_context; +struct psp_xgmi_node_info; struct psp_xgmi_topology_info; enum psp_ring_type @@ -85,9 +86,9 @@ struct psp_funcs uint64_t (*xgmi_get_node_id)(struct psp_context *psp); uint64_t (*xgmi_get_hive_id)(struct psp_context *psp); int (*xgmi_get_topology_info)(struct psp_context *psp, int number_devices, - struct psp_xgmi_topology_info *topology); + struct psp_xgmi_topology_info *topology); int (*xgmi_set_topology_info)(struct psp_context *psp, int number_devices, - struct psp_xgmi_topology_info *topology); + struct psp_xgmi_topology_info *topology); }; struct psp_xgmi_context { @@ -161,21 +162,17 @@ struct amdgpu_psp_funcs { enum AMDGPU_UCODE_ID); }; +#define AMDGPU_XGMI_MAX_CONNECTED_NODES 64 +struct psp_xgmi_node_info { + uint64_t node_id; + uint8_t num_hops; + uint8_t is_sharing_enabled; + enum ta_xgmi_assigned_sdma_engine sdma_engine; +}; + struct psp_xgmi_topology_info { - /* Generated by PSP to identify the GPU instance within xgmi connection */ - uint64_t node_id; - /* - * If all bits set to 0 , driver indicates it wants to retrieve the xgmi - * connection vector topology, but not access enable the connections - * if some or all bits are set to 1, driver indicates it want to retrieve the - * current xgmi topology and access enable the link to GPU[i] associated - * with the bit position in the vector. - * On return,: bits indicated which xgmi links are present/active depending - * on the value passed in. The relative bit offset for the relative GPU index - * within the hive is always marked active. - */ - uint32_t connection_mask; - uint32_t reserved; /* must be 0 */ + uint32_t num_nodes; + struct psp_xgmi_node_info nodes[AMDGPU_XGMI_MAX_CONNECTED_NODES]; }; #define psp_prep_cmd_buf(ucode, type) (psp)->funcs->prep_cmd_buf((ucode), (type)) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c index 32896ba12c67..e92b4548db49 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.c @@ -63,7 +63,7 @@ static struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev) int amdgpu_xgmi_add_device(struct amdgpu_device *adev) { - struct psp_xgmi_topology_info tmp_topology[AMDGPU_MAX_XGMI_DEVICE_PER_HIVE]; + struct psp_xgmi_topology_info tmp_topology; struct amdgpu_hive_info *hive; struct amdgpu_xgmi *entry; struct amdgpu_device *tmp_adev; @@ -76,7 +76,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) adev->gmc.xgmi.node_id = psp_xgmi_get_node_id(&adev->psp); adev->gmc.xgmi.hive_id = psp_xgmi_get_hive_id(&adev->psp); - memset(&tmp_topology[0], 0, sizeof(tmp_topology)); + memset(&tmp_topology, 0, sizeof(tmp_topology)); mutex_lock(&xgmi_mutex); hive = amdgpu_get_xgmi_hive(adev); if (!hive) @@ -84,9 +84,9 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) list_add_tail(&adev->gmc.xgmi.head, &hive->device_list); list_for_each_entry(entry, &hive->device_list, head) - tmp_topology[count++].node_id = entry->node_id; + tmp_topology.nodes[count++].node_id = entry->node_id; - ret = psp_xgmi_get_topology_info(&adev->psp, count, tmp_topology); + ret = psp_xgmi_get_topology_info(&adev->psp, count, &tmp_topology); if (ret) { dev_err(adev->dev, "XGMI: Get topology failure on device %llx, hive %llx, ret %d", @@ -96,7 +96,7 @@ int amdgpu_xgmi_add_device(struct amdgpu_device *adev) } /* Each psp need to set the latest topology */ list_for_each_entry(tmp_adev, &hive->device_list, gmc.xgmi.head) { - ret = psp_xgmi_set_topology_info(&tmp_adev->psp, count, tmp_topology); + ret = psp_xgmi_set_topology_info(&tmp_adev->psp, count, &tmp_topology); if (ret) { dev_err(tmp_adev->dev, "XGMI: Set topology failure on device %llx, hive %llx, ret %d", @@ -115,5 +115,3 @@ exit: mutex_unlock(&xgmi_mutex); return ret; } - - -- cgit v1.2.3