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path: root/drivers/misc/habanalabs/common/firmware_if.c
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Diffstat (limited to 'drivers/misc/habanalabs/common/firmware_if.c')
-rw-r--r--drivers/misc/habanalabs/common/firmware_if.c184
1 files changed, 121 insertions, 63 deletions
diff --git a/drivers/misc/habanalabs/common/firmware_if.c b/drivers/misc/habanalabs/common/firmware_if.c
index 608ca67527a5..2de6a9bd564d 100644
--- a/drivers/misc/habanalabs/common/firmware_if.c
+++ b/drivers/misc/habanalabs/common/firmware_if.c
@@ -15,14 +15,6 @@
#define FW_FILE_MAX_SIZE 0x1400000 /* maximum size of 20MB */
-struct fw_binning_conf {
- u64 tpc_binning;
- u32 dec_binning;
- u32 hbm_binning;
- u32 edma_binning;
- u32 mme_redundancy;
-};
-
static char *extract_fw_ver_from_str(const char *fw_str)
{
char *str, *fw_ver, *whitespace;
@@ -260,7 +252,7 @@ int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg,
struct cpucp_packet *pkt;
dma_addr_t pkt_dma_addr;
struct hl_bd *sent_bd;
- u32 tmp, expected_ack_val, pi;
+ u32 tmp, expected_ack_val, pi, opcode;
int rc;
pkt = hl_cpu_accessible_dma_pool_alloc(hdev, len, &pkt_dma_addr);
@@ -327,8 +319,35 @@ int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg,
rc = (tmp & CPUCP_PKT_CTL_RC_MASK) >> CPUCP_PKT_CTL_RC_SHIFT;
if (rc) {
- dev_dbg(hdev->dev, "F/W ERROR %d for CPU packet %d\n",
- rc, (tmp & CPUCP_PKT_CTL_OPCODE_MASK) >> CPUCP_PKT_CTL_OPCODE_SHIFT);
+ opcode = (tmp & CPUCP_PKT_CTL_OPCODE_MASK) >> CPUCP_PKT_CTL_OPCODE_SHIFT;
+
+ if (!prop->supports_advanced_cpucp_rc) {
+ dev_dbg(hdev->dev, "F/W ERROR %d for CPU packet %d\n", rc, opcode);
+ goto scrub_descriptor;
+ }
+
+ switch (rc) {
+ case cpucp_packet_invalid:
+ dev_err(hdev->dev,
+ "CPU packet %d is not supported by F/W\n", opcode);
+ break;
+ case cpucp_packet_fault:
+ dev_err(hdev->dev,
+ "F/W failed processing CPU packet %d\n", opcode);
+ break;
+ case cpucp_packet_invalid_pkt:
+ dev_dbg(hdev->dev,
+ "CPU packet %d is not supported by F/W\n", opcode);
+ break;
+ case cpucp_packet_invalid_params:
+ dev_err(hdev->dev,
+ "F/W reports invalid parameters for CPU packet %d\n", opcode);
+ break;
+
+ default:
+ dev_err(hdev->dev,
+ "Unknown F/W ERROR %d for CPU packet %d\n", rc, opcode);
+ }
/* propagate the return code from the f/w to the callers who want to check it */
if (result)
@@ -340,6 +359,7 @@ int hl_fw_send_cpu_message(struct hl_device *hdev, u32 hw_queue_id, u32 *msg,
*result = le64_to_cpu(pkt->result);
}
+scrub_descriptor:
/* Scrub previous buffer descriptor 'ctl' field which contains the
* previous PI value written during packet submission.
* We must do this or else F/W can read an old value upon queue wraparound.
@@ -462,6 +482,21 @@ void hl_fw_cpu_accessible_dma_pool_free(struct hl_device *hdev, size_t size,
size);
}
+int hl_fw_send_device_activity(struct hl_device *hdev, bool open)
+{
+ struct cpucp_packet pkt;
+ int rc;
+
+ memset(&pkt, 0, sizeof(pkt));
+ pkt.ctl = cpu_to_le32(CPUCP_PACKET_ACTIVE_STATUS_SET << CPUCP_PKT_CTL_OPCODE_SHIFT);
+ pkt.value = cpu_to_le64(open);
+ rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt), 0, NULL);
+ if (rc)
+ dev_err(hdev->dev, "failed to send device activity msg(%u)\n", open);
+
+ return rc;
+}
+
int hl_fw_send_heartbeat(struct hl_device *hdev)
{
struct cpucp_packet hb_pkt;
@@ -581,6 +616,15 @@ static bool fw_report_boot_dev0(struct hl_device *hdev, u32 err_val,
dev_dbg(hdev->dev, "Device status0 %#x\n", sts_val);
/* All warnings should go here in order not to reach the unknown error validation */
+ if (err_val & CPU_BOOT_ERR0_EEPROM_FAIL) {
+ dev_warn(hdev->dev,
+ "Device boot warning - EEPROM failure detected, default settings applied\n");
+ /* This is a warning so we don't want it to disable the
+ * device
+ */
+ err_val &= ~CPU_BOOT_ERR0_EEPROM_FAIL;
+ }
+
if (err_val & CPU_BOOT_ERR0_DRAM_SKIPPED) {
dev_warn(hdev->dev,
"Device boot warning - Skipped DRAM initialization\n");
@@ -1476,6 +1520,8 @@ static void hl_fw_preboot_update_state(struct hl_device *hdev)
*/
prop->hard_reset_done_by_fw = !!(cpu_boot_dev_sts0 & CPU_BOOT_DEV_STS0_FW_HARD_RST_EN);
+ prop->fw_security_enabled = !!(cpu_boot_dev_sts0 & CPU_BOOT_DEV_STS0_SECURITY_EN);
+
dev_dbg(hdev->dev, "Firmware preboot boot device status0 %#x\n",
cpu_boot_dev_sts0);
@@ -1514,7 +1560,7 @@ int hl_fw_read_preboot_status(struct hl_device *hdev)
hdev->asic_funcs->init_firmware_preload_params(hdev);
/*
- * In order to determine boot method (static VS dymanic) we need to
+ * In order to determine boot method (static VS dynamic) we need to
* read the boot caps register
*/
rc = hl_fw_read_preboot_caps(hdev);
@@ -1781,7 +1827,7 @@ int hl_fw_dynamic_send_protocol_cmd(struct hl_device *hdev,
*
* @return the CRC32 result
*
- * NOTE: kernel's CRC32 differ's from standard CRC32 calculation.
+ * NOTE: kernel's CRC32 differs from standard CRC32 calculation.
* in order to be aligned we need to flip the bits of both the input
* initial CRC and kernel's CRC32 result.
* in addition both sides use initial CRC of 0,
@@ -1798,7 +1844,7 @@ static u32 hl_fw_compat_crc32(u8 *data, size_t size)
*
* @hdev: pointer to the habanalabs device structure
* @addr: device address of memory transfer
- * @size: memory transter size
+ * @size: memory transfer size
* @region: PCI memory region
*
* @return 0 on success, otherwise non-zero error code
@@ -1854,50 +1900,36 @@ static int hl_fw_dynamic_validate_descriptor(struct hl_device *hdev,
u64 addr;
int rc;
- if (le32_to_cpu(fw_desc->header.magic) != HL_COMMS_DESC_MAGIC) {
- dev_err(hdev->dev, "Invalid magic for dynamic FW descriptor (%x)\n",
+ if (le32_to_cpu(fw_desc->header.magic) != HL_COMMS_DESC_MAGIC)
+ dev_warn(hdev->dev, "Invalid magic for dynamic FW descriptor (%x)\n",
fw_desc->header.magic);
- return -EIO;
- }
- if (fw_desc->header.version != HL_COMMS_DESC_VER) {
- dev_err(hdev->dev, "Invalid version for dynamic FW descriptor (%x)\n",
+ if (fw_desc->header.version != HL_COMMS_DESC_VER)
+ dev_warn(hdev->dev, "Invalid version for dynamic FW descriptor (%x)\n",
fw_desc->header.version);
- return -EIO;
- }
/*
- * calc CRC32 of data without header.
+ * Calc CRC32 of data without header. use the size of the descriptor
+ * reported by firmware, without calculating it ourself, to allow adding
+ * more fields to the lkd_fw_comms_desc structure.
* note that no alignment/stride address issues here as all structures
- * are 64 bit padded
+ * are 64 bit padded.
*/
- data_size = sizeof(struct lkd_fw_comms_desc) -
- sizeof(struct comms_desc_header);
data_ptr = (u8 *)fw_desc + sizeof(struct comms_desc_header);
-
- if (le16_to_cpu(fw_desc->header.size) != data_size) {
- dev_err(hdev->dev,
- "Invalid descriptor size 0x%x, expected size 0x%zx\n",
- le16_to_cpu(fw_desc->header.size), data_size);
- return -EIO;
- }
+ data_size = le16_to_cpu(fw_desc->header.size);
data_crc32 = hl_fw_compat_crc32(data_ptr, data_size);
-
if (data_crc32 != le32_to_cpu(fw_desc->header.crc32)) {
- dev_err(hdev->dev,
- "CRC32 mismatch for dynamic FW descriptor (%x:%x)\n",
- data_crc32, fw_desc->header.crc32);
+ dev_err(hdev->dev, "CRC32 mismatch for dynamic FW descriptor (%x:%x)\n",
+ data_crc32, fw_desc->header.crc32);
return -EIO;
}
/* find memory region to which to copy the image */
addr = le64_to_cpu(fw_desc->img_addr);
region_id = hl_get_pci_memory_region(hdev, addr);
- if ((region_id != PCI_REGION_SRAM) &&
- ((region_id != PCI_REGION_DRAM))) {
- dev_err(hdev->dev,
- "Invalid region to copy FW image address=%llx\n", addr);
+ if ((region_id != PCI_REGION_SRAM) && ((region_id != PCI_REGION_DRAM))) {
+ dev_err(hdev->dev, "Invalid region to copy FW image address=%llx\n", addr);
return -EIO;
}
@@ -1914,8 +1946,7 @@ static int hl_fw_dynamic_validate_descriptor(struct hl_device *hdev,
fw_loader->dynamic_loader.fw_image_size,
region);
if (rc) {
- dev_err(hdev->dev,
- "invalid mem transfer request for FW image\n");
+ dev_err(hdev->dev, "invalid mem transfer request for FW image\n");
return rc;
}
@@ -2422,18 +2453,6 @@ static int hl_fw_dynamic_send_msg(struct hl_device *hdev,
msg.reset_cause = *(__u8 *) data;
break;
- case HL_COMMS_BINNING_CONF_TYPE:
- {
- struct fw_binning_conf *binning_conf = (struct fw_binning_conf *) data;
-
- msg.tpc_binning_conf = cpu_to_le64(binning_conf->tpc_binning);
- msg.dec_binning_conf = cpu_to_le32(binning_conf->dec_binning);
- msg.hbm_binning_conf = cpu_to_le32(binning_conf->hbm_binning);
- msg.edma_binning_conf = cpu_to_le32(binning_conf->edma_binning);
- msg.mme_redundancy_conf = cpu_to_le32(binning_conf->mme_redundancy);
- break;
- }
-
default:
dev_err(hdev->dev,
"Send COMMS message - invalid message type %u\n",
@@ -2503,13 +2522,6 @@ static int hl_fw_dynamic_init_cpu(struct hl_device *hdev,
*/
dyn_regs = &fw_loader->dynamic_loader.comm_desc.cpu_dyn_regs;
- /* if no preboot loaded indication- wait for preboot */
- if (!(hdev->fw_loader.fw_comp_loaded & FW_TYPE_PREBOOT_CPU)) {
- rc = hl_fw_wait_preboot_ready(hdev);
- if (rc)
- return -EIO;
- }
-
rc = hl_fw_dynamic_send_protocol_cmd(hdev, fw_loader, COMMS_RST_STATE,
0, true,
fw_loader->cpu_timeout);
@@ -2547,7 +2559,7 @@ static int hl_fw_dynamic_init_cpu(struct hl_device *hdev,
/*
* when testing FW load (without Linux) on PLDM we don't want to
* wait until boot fit is active as it may take several hours.
- * instead, we load the bootfit and let it do all initializations in
+ * instead, we load the bootfit and let it do all initialization in
* the background.
*/
if (hdev->pldm && !(hdev->fw_components & FW_TYPE_LINUX))
@@ -2961,3 +2973,49 @@ void hl_fw_set_max_power(struct hl_device *hdev)
if (rc)
dev_err(hdev->dev, "Failed to set max power, error %d\n", rc);
}
+
+static int hl_fw_get_sec_attest_data(struct hl_device *hdev, u32 packet_id, void *data, u32 size,
+ u32 nonce, u32 timeout)
+{
+ struct cpucp_packet pkt = {};
+ dma_addr_t req_dma_addr;
+ void *req_cpu_addr;
+ int rc;
+
+ req_cpu_addr = hl_cpu_accessible_dma_pool_alloc(hdev, size, &req_dma_addr);
+ if (!data) {
+ dev_err(hdev->dev,
+ "Failed to allocate DMA memory for CPU-CP packet %u\n", packet_id);
+ return -ENOMEM;
+ }
+
+ memset(data, 0, size);
+
+ pkt.ctl = cpu_to_le32(packet_id << CPUCP_PKT_CTL_OPCODE_SHIFT);
+ pkt.addr = cpu_to_le64(req_dma_addr);
+ pkt.data_max_size = cpu_to_le32(size);
+ pkt.nonce = cpu_to_le32(nonce);
+
+ rc = hdev->asic_funcs->send_cpu_message(hdev, (u32 *) &pkt, sizeof(pkt),
+ timeout, NULL);
+ if (rc) {
+ dev_err(hdev->dev,
+ "Failed to handle CPU-CP pkt %u, error %d\n", packet_id, rc);
+ goto out;
+ }
+
+ memcpy(data, req_cpu_addr, size);
+
+out:
+ hl_cpu_accessible_dma_pool_free(hdev, size, req_cpu_addr);
+
+ return rc;
+}
+
+int hl_fw_get_sec_attest_info(struct hl_device *hdev, struct cpucp_sec_attest_info *sec_attest_info,
+ u32 nonce)
+{
+ return hl_fw_get_sec_attest_data(hdev, CPUCP_PACKET_SEC_ATTEST_GET, sec_attest_info,
+ sizeof(struct cpucp_sec_attest_info), nonce,
+ HL_CPUCP_SEC_ATTEST_INFO_TINEOUT_USEC);
+}