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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>
This commit is contained in:
farah kassabri 2022-11-13 17:44:17 +02:00 committed by Oded Gabbay
parent 932fba60c9
commit 089a19218d
3 changed files with 50 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
drivers/misc/habanalabs/common/firmware_if.c
View File

@ -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 */

5
drivers/misc/habanalabs/common/habanalabs.h
View File

@ -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;

31
drivers/misc/habanalabs/include/common/hl_boot_if.h
View File

@ -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;
};
};