diff options
author | 2022-11-13 17:44:17 +0200 | |
---|---|---|
committer | 2023-01-26 10:56:19 +0200 | |
commit | 089a19218df5640f4b45715de4a5cf6be122d21d (patch) | |
tree | 80bea507a120045d652ee3f8c17db758c7005d34 /drivers/misc | |
parent | habanalabs/gaudi2: fix BMON 3rd address range (diff) | |
download | linux-089a19218df5640f4b45715de4a5cf6be122d21d.tar.gz linux-089a19218df5640f4b45715de4a5cf6be122d21d.tar.bz2 linux-089a19218df5640f4b45715de4a5cf6be122d21d.zip |
habanalabs: read binning info from preboot
Sometimes we need the binning info at a very early state of the
driver initialization. Therefore, support was added in preboot to
provide the binning info as part of the f/w descriptor and the driver
can now use that.
Signed-off-by: farah kassabri <fkassabri@habana.ai>
Reviewed-by: Oded Gabbay <ogabbay@kernel.org>
Signed-off-by: Oded Gabbay <ogabbay@kernel.org>
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/habanalabs/common/firmware_if.c | 24 | ||||
-rw-r--r-- | drivers/misc/habanalabs/common/habanalabs.h | 5 | ||||
-rw-r--r-- | drivers/misc/habanalabs/include/common/hl_boot_if.h | 31 |
3 files changed, 50 insertions, 10 deletions
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c index 228b92278e48..4f364c3085fe 100644 --- a/drivers/misc/habanalabs/common/firmware_if.c +++ b/drivers/misc/habanalabs/common/firmware_if.c @@ -2560,13 +2560,35 @@ static int hl_fw_dynamic_init_cpu(struct hl_device *hdev, } if (!(hdev->fw_components & FW_TYPE_BOOT_CPU)) { + struct lkd_fw_binning_info *binning_info; + rc = hl_fw_dynamic_request_descriptor(hdev, fw_loader, 0); if (rc) goto protocol_err; /* read preboot version */ - return hl_fw_dynamic_read_device_fw_version(hdev, FW_COMP_PREBOOT, + rc = hl_fw_dynamic_read_device_fw_version(hdev, FW_COMP_PREBOOT, fw_loader->dynamic_loader.comm_desc.cur_fw_ver); + + if (rc) + goto out; + + /* read binning info from preboot */ + if (hdev->support_preboot_binning) { + binning_info = &fw_loader->dynamic_loader.comm_desc.binning_info; + hdev->tpc_binning = le64_to_cpu(binning_info->tpc_mask_l); + hdev->dram_binning = le32_to_cpu(binning_info->dram_mask); + hdev->edma_binning = le32_to_cpu(binning_info->edma_mask); + hdev->decoder_binning = le32_to_cpu(binning_info->dec_mask); + hdev->rotator_binning = le32_to_cpu(binning_info->rot_mask); + + dev_dbg(hdev->dev, + "Read binning masks: tpc: 0x%llx, dram: 0x%llx, edma: 0x%x, dec: 0x%x, rot:0x%x\n", + hdev->tpc_binning, hdev->dram_binning, hdev->edma_binning, + hdev->decoder_binning, hdev->rotator_binning); + } +out: + return rc; } /* load boot fit to FW */ diff --git a/drivers/misc/habanalabs/common/habanalabs.h b/drivers/misc/habanalabs/common/habanalabs.h index e2527d976ee0..9e42d0e9ce33 100644 --- a/drivers/misc/habanalabs/common/habanalabs.h +++ b/drivers/misc/habanalabs/common/habanalabs.h @@ -3157,6 +3157,8 @@ struct hl_reset_info { * @edma_binning: contains mask of edma engines that is received from the f/w which * indicates which edma engines are binned-out * @device_release_watchdog_timeout_sec: device release watchdog timeout value in seconds. + * @rotator_binning: contains mask of rotators engines that is received from the f/w + * which indicates which rotator engines are binned-out(Gaudi3 and above). * @id: device minor. * @id_control: minor of the control device. * @cdev_idx: char device index. Used for setting its name. @@ -3214,6 +3216,7 @@ struct hl_reset_info { * @heartbeat: Controls if we want to enable the heartbeat mechanism vs. the f/w, which verifies * that the f/w is always alive. Used only for testing. * @supports_ctx_switch: true if a ctx switch is required upon first submission. + * @support_preboot_binning: true if we support read binning info from preboot. */ struct hl_device { struct pci_dev *pdev; @@ -3322,6 +3325,7 @@ struct hl_device { u32 decoder_binning; u32 edma_binning; u32 device_release_watchdog_timeout_sec; + u32 rotator_binning; u16 id; u16 id_control; u16 cdev_idx; @@ -3355,6 +3359,7 @@ struct hl_device { u8 supports_mmu_prefetch; u8 reset_upon_device_release; u8 supports_ctx_switch; + u8 support_preboot_binning; /* Parameters for bring-up */ u64 nic_ports_mask; diff --git a/drivers/misc/habanalabs/include/common/hl_boot_if.h b/drivers/misc/habanalabs/include/common/hl_boot_if.h index e0ea51cc7475..fe034111360e 100644 --- a/drivers/misc/habanalabs/include/common/hl_boot_if.h +++ b/drivers/misc/habanalabs/include/common/hl_boot_if.h @@ -439,7 +439,7 @@ struct cpu_dyn_regs { /* TODO: remove the desc magic after the code is updated to use message */ /* HCDM - Habana Communications Descriptor Magic */ #define HL_COMMS_DESC_MAGIC 0x4843444D -#define HL_COMMS_DESC_VER 1 +#define HL_COMMS_DESC_VER 3 /* HCMv - Habana Communications Message + header version */ #define HL_COMMS_MSG_MAGIC_VALUE 0x48434D00 @@ -450,8 +450,10 @@ struct cpu_dyn_regs { ((ver) & HL_COMMS_MSG_MAGIC_VER_MASK)) #define HL_COMMS_MSG_MAGIC_V0 HL_COMMS_DESC_MAGIC #define HL_COMMS_MSG_MAGIC_V1 HL_COMMS_MSG_MAGIC_VER(1) +#define HL_COMMS_MSG_MAGIC_V2 HL_COMMS_MSG_MAGIC_VER(2) +#define HL_COMMS_MSG_MAGIC_V3 HL_COMMS_MSG_MAGIC_VER(3) -#define HL_COMMS_MSG_MAGIC HL_COMMS_MSG_MAGIC_V1 +#define HL_COMMS_MSG_MAGIC HL_COMMS_MSG_MAGIC_V3 #define HL_COMMS_MSG_MAGIC_VALIDATE_MAGIC(magic) \ (((magic) & HL_COMMS_MSG_MAGIC_MASK) == \ @@ -474,22 +476,31 @@ enum comms_msg_type { /* * Binning information shared between LKD and FW - * @tpc_mask - TPC binning information + * @tpc_mask_l - TPC binning information lower 64 bit * @dec_mask - Decoder binning information - * @hbm_mask - HBM binning information + * @dram_mask - DRAM binning information * @edma_mask - EDMA binning information * @mme_mask_l - MME binning information lower 32 * @mme_mask_h - MME binning information upper 32 - * @reserved - reserved field for 64 bit alignment + * @rot_mask - Rotator binning information + * @xbar_mask - xBAR binning information + * @reserved - reserved field for future binning info w/o ABI change + * @tpc_mask_h - TPC binning information upper 64 bit + * @nic_mask - NIC binning information */ struct lkd_fw_binning_info { - __le64 tpc_mask; + __le64 tpc_mask_l; __le32 dec_mask; - __le32 hbm_mask; + __le32 dram_mask; __le32 edma_mask; __le32 mme_mask_l; __le32 mme_mask_h; - __le32 reserved; + __le32 rot_mask; + __le32 xbar_mask; + __le32 reserved0; + __le64 tpc_mask_h; + __le64 nic_mask; + __le32 reserved1[8]; }; /* TODO: remove this struct after the code is updated to use message */ @@ -521,6 +532,7 @@ struct lkd_fw_comms_desc { /* can be used for 1 more version w/o ABI change */ char reserved0[VERSION_MAX_LEN]; __le64 img_addr; /* address for next FW component load */ + struct lkd_fw_binning_info binning_info; }; enum comms_reset_cause { @@ -545,6 +557,7 @@ struct lkd_fw_comms_msg { char reserved0[VERSION_MAX_LEN]; /* address for next FW component load */ __le64 img_addr; + struct lkd_fw_binning_info binning_info; }; struct { __u8 reset_cause; @@ -552,7 +565,7 @@ struct lkd_fw_comms_msg { struct { __u8 fw_cfg_skip; /* 1 - skip, 0 - don't skip */ }; - struct lkd_fw_binning_info binning_info; + struct lkd_fw_binning_info binning_conf; }; }; |