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author | farah kassabri <fkassabri@habana.ai> | 2021-10-24 19:02:32 +0300 |
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committer | Oded Gabbay <ogabbay@kernel.org> | 2021-12-26 08:59:05 +0200 |
commit | 49c052dad691ba1a3dc3559b74e99f2ec2fa0319 (patch) | |
tree | 6499d85f1144eb3786a64e4da547a4102386536f /drivers/misc/habanalabs/common/firmware_if.c | |
parent | habanalabs: refactor wait-for-user-interrupt function (diff) | |
download | linux-dev-49c052dad691ba1a3dc3559b74e99f2ec2fa0319.tar.xz linux-dev-49c052dad691ba1a3dc3559b74e99f2ec2fa0319.zip |
habanalabs: add new opcodes for INFO IOCTL
Add implementation for new opcodes in the INFO IOCTL:
1. Retrieve the replaced DRAM rows from f/w.
2. Retrieve the pending DRAM rows from f/w.
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/habanalabs/common/firmware_if.c')
-rw-r--r-- | drivers/misc/habanalabs/common/firmware_if.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c index 9addcfba6a8b..70e992bdbde7 100644 --- a/drivers/misc/habanalabs/common/firmware_if.c +++ b/drivers/misc/habanalabs/common/firmware_if.c @@ -972,6 +972,72 @@ int hl_fw_cpucp_power_get(struct hl_device *hdev, u64 *power) return rc; } +int hl_fw_dram_replaced_row_get(struct hl_device *hdev, + struct cpucp_hbm_row_info *info) +{ + struct cpucp_hbm_row_info *cpucp_repl_rows_info_cpu_addr; + dma_addr_t cpucp_repl_rows_info_dma_addr; + struct cpucp_packet pkt = {}; + u64 result; + int rc; + + cpucp_repl_rows_info_cpu_addr = + hdev->asic_funcs->cpu_accessible_dma_pool_alloc(hdev, + sizeof(struct cpucp_hbm_row_info), + &cpucp_repl_rows_info_dma_addr); + if (!cpucp_repl_rows_info_cpu_addr) { + dev_err(hdev->dev, + "Failed to allocate DMA memory for CPU-CP replaced rows info packet\n"); + return -ENOMEM; + } + + memset(cpucp_repl_rows_info_cpu_addr, 0, sizeof(struct cpucp_hbm_row_info)); + + pkt.ctl = cpu_to_le32(CPUCP_PACKET_HBM_REPLACED_ROWS_INFO_GET << + CPUCP_PKT_CTL_OPCODE_SHIFT); + pkt.addr = cpu_to_le64(cpucp_repl_rows_info_dma_addr); + pkt.data_max_size = cpu_to_le32(sizeof(struct cpucp_hbm_row_info)); + + rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), + HL_CPUCP_INFO_TIMEOUT_USEC, &result); + if (rc) { + dev_err(hdev->dev, + "Failed to handle CPU-CP replaced rows info pkt, error %d\n", rc); + goto out; + } + + memcpy(info, cpucp_repl_rows_info_cpu_addr, sizeof(*info)); + +out: + hdev->asic_funcs->cpu_accessible_dma_pool_free(hdev, + sizeof(struct cpucp_hbm_row_info), + cpucp_repl_rows_info_cpu_addr); + + return rc; +} + +int hl_fw_dram_pending_row_get(struct hl_device *hdev, u32 *pend_rows_num) +{ + struct cpucp_packet pkt; + u64 result; + int rc; + + memset(&pkt, 0, sizeof(pkt)); + + pkt.ctl = cpu_to_le32(CPUCP_PACKET_HBM_PENDING_ROWS_STATUS << CPUCP_PKT_CTL_OPCODE_SHIFT); + + rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), 0, &result); + if (rc) { + dev_err(hdev->dev, + "Failed to handle CPU-CP pending rows info pkt, error %d\n", rc); + goto out; + } + + *pend_rows_num = (u32) result; +out: + return rc; +} + void hl_fw_ask_hard_reset_without_linux(struct hl_device *hdev) { struct static_fw_load_mgr *static_loader = |