v3 @belfrypossum posted on VFIO discord, fixes a minor issue.
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 2a589b6d6ed8..1b84090db691 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -3969,17 +3969,517 @@ static int delay_250ms_after_flr(struct pci_dev *dev, int probe)
return 0;
}
+/*
+ * AMD Navi 10 series GPUs require a vendor specific reset procedure.
+ * According to AMD a PSP mode 2 reset should be enough however at this
+ * time the details of how to perform this are not available to us.
+ * Instead we can signal the PSP to perform a mode 1 reset, which _is_
+ * available to us. Unfortunately, it probably takes more time.
+ */
+static int reset_amd_navi10(struct pci_dev *dev, int probe)
+{
+ static const u16 vega10_device_ids[] = { 0x6860, 0x6861, 0x6862, 0x6863,
+ 0x6864, 0x6867, 0x6868, 0x6869,
+ 0x686a, 0x686b, 0x686c, 0x686d,
+ 0x686e, 0x686f, 0x687f };
+
+ static const u16 vega12_device_ids[] = {
+ 0x69A0, 0x69A1, 0x69A2, 0x69A3, 0x69AF,
+ };
+
+ static const u16 vega20_device_ids[] = {
+ 0x66A0, 0x66A1, 0x66A2, 0x66A3, 0x66A4, 0x66A7, 0x66AF,
+ };
+
+ const int PPSMC_MSG_DisableSmuFeatures = 0x5; /* vega10 */
+ const int PPSMC_MSG_DisableAllSmuFeatures = 0x7; /* vega12/vega20 */
+ const int SMC_DPM_FEATURES = 0x30F;
+
+ const int mmMM_INDEX = 0x0000;
+ const int mmMM_DATA = 0x0001;
+ const int mmPCIE_INDEX2 = 0x000e;
+ const int mmPCIE_DATA2 = 0x000f;
+
+ const int MP0_BASE = 0x00016000L;
+ const int mmMP0_SMN_C2PMSG_33 = 0x0061 + MP0_BASE;
+ const int mmMP0_SMN_C2PMSG_35 = 0x0063 + MP0_BASE;
+ const int mmMP0_SMN_C2PMSG_64 = 0x0080 + MP0_BASE;
+ const int mmMP0_SMN_C2PMSG_81 = 0x0091 + MP0_BASE;
+ const int mmMP1_SMN_C2PMSG_66 = 0x0282 + MP0_BASE;
+ const int mmMP1_SMN_C2PMSG_82 = 0x0292 + MP0_BASE;
+ const int mmMP1_SMN_C2PMSG_90 = 0x029a + MP0_BASE;
+
+ const int GFX_CTRL_CMD_ID_MODE1_RST = 0x00070000L;
+ const int MP1_Public = 0x03b00000L;
+ const int smnMP1_PUB_CTRL = 0x3010b14;
+ const int MP1_SMN_PUB_CTRL__RESET_MASK = 0x00000001L;
+ int smnMP1_FIRMWARE_FLAGS = 0x3010024;
+ const int MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK = 0x00000001L;
+ const int MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED__SHIFT = 0x0;
+
+ const int mmRCC_DEV0_EPF0_RCC_CONFIG_MEMSIZE = 0x00c3 + 0x00000D20L;
+
+ // this is the case for navi but I'm not sure about vega yet
+ const int scratch_reg_offset = 0x4c;
+ const int ATOM_S3_ASIC_GUI_ENGINE_HUNG = 0x20000000L;
+
+ enum { VEGA10, VEGA12, VEGA20, NAVI } device_type = NAVI;
+
+ u16 cfg;
+ u32 tmp, smu_resp, sol, mp1_intr, psp_bl_ready;
+ resource_size_t mmio_base, mmio_size;
+ uint32_t __iomem *mmio;
+ unsigned int timeout;
+ spinlock_t pcie_lock;
+ int i;
+
+ /*
+ * if the device has FLR return -ENOTTY indicating that we have no
+ * device-specific reset method.
+ */
+ if (pcie_has_flr(dev))
+ return -ENOTTY;
+
+ /* bus resets still cause navi to flake out */
+ dev->dev_flags |= PCI_DEV_FLAGS_NO_BUS_RESET;
+
+ /* if we're managed by amdgpu, do not reset */
+ if (dev->driver && !strcmp(dev->driver->name, "amdgpu"))
+ return -ENOTTY;
+
+ if (probe)
+ return 0;
+
+ spin_lock_init(&pcie_lock);
+
+ /* detect device */
+ for (i = 0; i < sizeof vega10_device_ids / sizeof(u16); ++i) {
+ if (dev->device == vega10_device_ids[i]) {
+ device_type = VEGA10;
+ goto done_detect;
+ }
+ }
+ for (i = 0; i < sizeof vega12_device_ids / sizeof(u16); ++i) {
+ if (dev->device == vega12_device_ids[i]) {
+ device_type = VEGA12;
+ goto done_detect;
+ }
+ }
+ for (i = 0; i < sizeof vega20_device_ids / sizeof(u16); ++i) {
+ if (dev->device == vega20_device_ids[i]) {
+ device_type = VEGA20;
+ goto done_detect;
+ }
+ }
+
+done_detect:
+
+ if (device_type != NAVI && device_type != VEGA20) {
+ smnMP1_FIRMWARE_FLAGS = 0x3010028;
+ }
+
+ /* map BAR5 */
+ mmio_base = pci_resource_start(dev, 5);
+ mmio_size = pci_resource_len(dev, 5);
+ mmio = ioremap(mmio_base, mmio_size);
+ if (mmio == NULL) {
+ pci_disable_device(dev);
+ pci_err(dev, "Navi10: cannot iomap device\n");
+ return 0;
+ }
+
+ /* save the PCI state and enable memory access */
+ pci_read_config_word(dev, PCI_COMMAND, &cfg);
+ pci_write_config_word(dev, PCI_COMMAND, cfg | PCI_COMMAND_MEMORY);
+
+ pci_set_power_state(dev, PCI_D0);
+
+#define RREG32(reg) \
+ ({ \
+ u32 out; \
+ if ((reg) < mmio_size) \
+ out = readl(mmio + (reg)); \
+ else { \
+ writel((reg), mmio + mmMM_INDEX); \
+ out = readl(mmio + mmMM_DATA); \
+ } \
+ out; \
+ })
+
+#define WREG32(reg, v) \
+ do { \
+ if ((reg) < mmio_size) \
+ writel(v, mmio + (reg)); \
+ else { \
+ writel((reg), mmio + mmMM_INDEX); \
+ writel(v, mmio + mmMM_DATA); \
+ } \
+ } while (0)
+
+#define WREG32_PCIE(reg, v) \
+ do { \
+ unsigned long __flags; \
+ spin_lock_irqsave(&pcie_lock, __flags); \
+ WREG32(mmPCIE_INDEX2, reg); \
+ (void)RREG32(mmPCIE_INDEX2); \
+ WREG32(mmPCIE_DATA2, v); \
+ (void)RREG32(mmPCIE_DATA2); \
+ spin_unlock_irqrestore(&pcie_lock, __flags); \
+ } while (0)
+
+#define RREG32_PCIE(reg) \
+ ({ \
+ unsigned long __flags; \
+ u32 __tmp_read; \
+ spin_lock_irqsave(&pcie_lock, __flags); \
+ WREG32(mmPCIE_INDEX2, reg); \
+ (void)RREG32(mmPCIE_INDEX2); \
+ __tmp_read = RREG32(mmPCIE_DATA2); \
+ spin_unlock_irqrestore(&pcie_lock, __flags); \
+ __tmp_read; \
+ })
+
+#define SMU_WAIT() \
+ ({ \
+ u32 __tmp; \
+ for (timeout = 100000; \
+ timeout && \
+ (RREG32(mmMP1_SMN_C2PMSG_90) & 0xFFFFFFFFL) == 0; \
+ --timeout) \
+ udelay(1); \
+ if ((__tmp = RREG32(mmMP1_SMN_C2PMSG_90)) != 0x1) \
+ pci_info(dev, "Navi10: SMU error 0x%x (line %d)\n", \
+ __tmp, __LINE__); \
+ })
+
+ /* it's important we wait for the SOC to be ready */
+ for (timeout = 100000; timeout; --timeout) {
+ sol = RREG32(mmMP0_SMN_C2PMSG_81);
+ if (sol != 0xFFFFFFFF)
+ break;
+ udelay(1);
+ }
+
+ if (sol == 0xFFFFFFFF) {
+ pci_warn(dev,
+ "Navi10: Timed out waiting for SOL to be valid\n");
+ /* we will continue anyway because it's possible to do
+ * a mode 1 reset on navi at least */
+ }
+
+ /*
+ * okay there's three things we need to check:
+ * sign-of-life, MP1 intr state (enabled means MP1 is probably live),
+ * and finally PSP bootloader state (needs to be ready)
+ */
+ smu_resp = RREG32(mmMP1_SMN_C2PMSG_90);
+ mp1_intr = (RREG32_PCIE(MP1_Public |
+ (smnMP1_FIRMWARE_FLAGS & 0xffffffff)) &
+ MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) >>
+ MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED__SHIFT;
+ psp_bl_ready = !!(RREG32(mmMP0_SMN_C2PMSG_35) & 0x80000000L);
+ pci_info(
+ dev,
+ "Navi10: Device type %d, SMU response reg: %x, sol reg: %x, mp1 intr enabled? %s, bl ready? %s\n",
+ device_type, smu_resp, sol, mp1_intr ? "yes" : "no",
+ psp_bl_ready ? "yes" : "no");
+
+ /* check the sign of life indicator */
+ if (sol == 0x0 && !mp1_intr && psp_bl_ready) {
+ /* either already clean or in a state we can't fix */
+ goto out;
+ }
+
+ /* save the state around the reset */
+ pci_info(dev, "Navi10: Clear master\n");
+ pci_clear_master(dev);
+
+ pci_save_state(dev);
+
+ /* this tells the drivers nvram is lost and everything needs to be reset */
+ pci_info(dev, "Navi10: Clearing scratch regs 6 and 7\n");
+ WREG32(scratch_reg_offset + 6, 0);
+ WREG32(scratch_reg_offset + 7, 0);
+
+ /* it only makes sense to reset mp1 if it's running
+ * XXX: is this even necessary? in early testing, I ran into
+ * situations where MP1 was alive but not responsive, but in
+ * later testing I have not been able to replicate this scenario.
+ */
+ if (smu_resp != 0x01 && mp1_intr && device_type == NAVI) {
+ pci_info(dev, "Navi10: MP1 reset\n");
+ WREG32_PCIE(MP1_Public | (smnMP1_PUB_CTRL & 0xffffffff),
+ 1 & MP1_SMN_PUB_CTRL__RESET_MASK);
+ WREG32_PCIE(MP1_Public | (smnMP1_PUB_CTRL & 0xffffffff),
+ 1 & ~MP1_SMN_PUB_CTRL__RESET_MASK);
+
+ pci_info(dev, "Navi10: wait for MP1\n");
+ for (timeout = 100000; timeout; --timeout) {
+ tmp = RREG32_PCIE(MP1_Public |
+ (smnMP1_FIRMWARE_FLAGS & 0xffffffff));
+ if ((tmp &
+ MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) >>
+ MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED__SHIFT)
+ break;
+ udelay(1);
+ }
+
+ if (!timeout &&
+ !((tmp & MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED_MASK) >>
+ MP1_FIRMWARE_FLAGS__INTERRUPTS_ENABLED__SHIFT)) {
+ pci_warn(dev,
+ "Navi10: timed out waiting for MP1 reset\n");
+ }
+
+ SMU_WAIT();
+ smu_resp = RREG32(mmMP1_SMN_C2PMSG_90);
+ pci_info(dev, "Navi10: SMU resp reg: %x\n", tmp);
+ }
+
+ pci_info(dev, "Navi10: begin reset\n");
+
+ /*
+ * again, this only makes sense if we have an SMU to talk to
+ * some of these may fail, that's okay. we're just turning off as many
+ * things as possible
+ */
+ if (mp1_intr) {
+ SMU_WAIT();
+
+ switch (device_type) {
+ case NAVI:
+ /* stop SMC */
+ pci_info(dev, "Navi10: gfx off\n");
+ WREG32(mmMP1_SMN_C2PMSG_90, 0x00);
+ WREG32(mmMP1_SMN_C2PMSG_82, 0x00);
+ WREG32(mmMP1_SMN_C2PMSG_66, 0x2A);
+ SMU_WAIT();
+
+ /* stop SMC */
+ pci_info(dev, "Navi10: Prep Reset\n");
+ WREG32(mmMP1_SMN_C2PMSG_90, 0x00);
+ WREG32(mmMP1_SMN_C2PMSG_82, 0x00);
+ /* PPSMC_MSG_PrepareMp1ForReset */
+ WREG32(mmMP1_SMN_C2PMSG_66, 0x33);
+ SMU_WAIT();
+ break;
+
+ case VEGA10:
+
+ /*
+ * frankly, I have no idea if this has to be done in a particular order
+ * hence this long sequence of bits that comes from the hwmgr destroy
+ */
+
+#define DISABLE_FEAT(bits) \
+ do { \
+ WREG32(mmMP1_SMN_C2PMSG_90, 0x00); \
+ WREG32(mmMP1_SMN_C2PMSG_82, (bits)); \
+ WREG32(mmMP1_SMN_C2PMSG_66, PPSMC_MSG_DisableSmuFeatures); \
+ SMU_WAIT(); \
+ } while (0)
+
+ /* disable power containment */
+ pci_info(dev, "Vega10: disable power containment\n");
+ DISABLE_FEAT(1L << 14);
+ DISABLE_FEAT(1L << 15);
+
+ /* disable avfs */
+ pci_info(dev, "Vega10: disable avfs\n");
+ DISABLE_FEAT(1L << 10);
+
+ /* stop dpm */
+ pci_info(dev, "Vega10: disable dpm\n");
+ DISABLE_FEAT(1L << 24);
+ DISABLE_FEAT(SMC_DPM_FEATURES);
+
+ /* disable deep sleep */
+ pci_info(dev, "Vega10: disable deep sleep\n");
+ DISABLE_FEAT(1L << 11);
+ DISABLE_FEAT(1L << 12);
+ DISABLE_FEAT(1L << 13);
+ DISABLE_FEAT(1L << 9);
+
+ /* disable ulv */
+ pci_info(dev, "Vega10: disable ulv\n");
+ DISABLE_FEAT(1L << 6);
+
+ /* disable acg */
+ pci_info(dev, "Vega10: disable acg\n");
+ DISABLE_FEAT(1L << 28);
+
+ /* disable PCC limit */
+ pci_info(dev, "Vega10: disable PCC\n");
+ DISABLE_FEAT(1L << 29);
+
+#undef DISABLE_FEAT
+ break;
+
+ case VEGA12:
+ case VEGA20:
+ pci_info(dev, "Vega12/20: disable GFX\n");
+ WREG32(mmMP1_SMN_C2PMSG_90, 0x00);
+ WREG32(mmMP1_SMN_C2PMSG_82, 0x00);
+ WREG32(mmMP1_SMN_C2PMSG_66,
+ PPSMC_MSG_DisableAllSmuFeatures);
+ SMU_WAIT();
+ break;
+
+ default:
+ break;
+ }
+ }
+
+#define PSP_WAIT(reg_index, reg_val, mask, err_exit) \
+ do { \
+ for (timeout = 1000000; timeout; --timeout) { \
+ tmp = RREG32(reg_index); \
+ if ((tmp & mask) == reg_val) \
+ break; \
+ udelay(1); \
+ } \
+ if (((tmp & mask) != reg_val)) { \
+ pci_err(dev, \
+ "Navi10: reg %08x (0x%08x, masked 0x%08x) did not reach needed value (0x%08x), (line %d)\n", \
+ reg_index, tmp, (tmp & mask), reg_val, \
+ __LINE__); \
+ if (err_exit) \
+ goto mode1_out; \
+ } \
+ } while (0)
+
+ pci_info(dev, "Navi10: begin psp mode 1 reset\n");
+
+ /* I don't know if I have the base register right for non-navi cards */
+ if (device_type == NAVI) {
+ /* mark amdgpu_atombios_scratch_regs_engine_hung */
+ tmp = RREG32(scratch_reg_offset + 3);
+ tmp |= ATOM_S3_ASIC_GUI_ENGINE_HUNG;
+ WREG32(scratch_reg_offset + 3, tmp);
+ }
+
+ /* check validity of PSP before reset */
+ pci_info(dev, "Navi10: PSP wait\n");
+ PSP_WAIT(mmMP0_SMN_C2PMSG_64, 0x80000000, 0x8000FFFF, false);
+
+ /* reset command */
+ pci_info(dev, "Navi10: do mode1 reset\n");
+ WREG32(mmMP0_SMN_C2PMSG_64, GFX_CTRL_CMD_ID_MODE1_RST);
+ msleep(500);
+
+ /* wait for ACK */
+ pci_info(dev, "Navi10: PSP wait\n");
+ PSP_WAIT(mmMP0_SMN_C2PMSG_33, 0x80000000, 0x80000000, true);
+
+ pci_info(dev, "Navi10: psp mode1 succeeded\n");
+
+ /* restore state here and wait */
+ pci_restore_state(dev);
+
+ for (timeout = 100000; timeout; --timeout) {
+ tmp = RREG32(mmRCC_DEV0_EPF0_RCC_CONFIG_MEMSIZE);
+
+ if (tmp != 0xffffffff)
+ break;
+ udelay(1);
+ }
+ pci_info(dev, "Navi10: memsize: %x\n", tmp);
+
+ if (device_type == NAVI) {
+ /* unmark amdgpu_atombios_scratch_regs_engine_hung */
+ tmp = RREG32(scratch_reg_offset + 3);
+ tmp &= ~ATOM_S3_ASIC_GUI_ENGINE_HUNG;
+ WREG32(scratch_reg_offset + 3, tmp);
+ }
+
+ /* this takes a long time :( */
+ for (timeout = 100; timeout; --timeout) {
+ /* see if PSP bootloader comes back */
+ if (RREG32(mmMP0_SMN_C2PMSG_35) & 0x80000000L)
+ break;
+
+ pci_info(dev, "Navi10: PSP bootloader flags? %x, timeout: %s\n",
+ RREG32(mmMP0_SMN_C2PMSG_35), !timeout ? "yes" : "no");
+
+ msleep(100);
+ }
+
+ if (!timeout && !(RREG32(mmMP0_SMN_C2PMSG_35) & 0x80000000L)) {
+ pci_info(
+ dev,
+ "Navi10: timed out waiting for PSP bootloader to respond after reset\n");
+ } else {
+ pci_set_power_state(dev, PCI_D3hot);
+ pci_info(dev, "Navi10: PSP mode1 reset successful\n");
+ }
+
+mode1_out:
+ pci_restore_state(dev);
+
+#undef RREG32
+#undef WREG32
+#undef RREG32_PCIE
+#undef WREG32_PCIE
+#undef PSP_WAIT
+#undef SMU_WAIT
+
+out:
+ /* unmap BAR5 */
+ iounmap(mmio);
+
+ /* restore the state and command register */
+ pci_write_config_word(dev, PCI_COMMAND, cfg);
+ return 0;
+}
+
static const struct pci_dev_reset_methods pci_dev_reset_methods[] = {
{ PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_82599_SFP_VF,
- reset_intel_82599_sfp_virtfn },
- { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IVB_M_VGA,
- reset_ivb_igd },
- { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IVB_M2_VGA,
- reset_ivb_igd },
+ reset_intel_82599_sfp_virtfn },
+ { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IVB_M_VGA, reset_ivb_igd },
+ { PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_IVB_M2_VGA, reset_ivb_igd },
{ PCI_VENDOR_ID_SAMSUNG, 0xa804, nvme_disable_and_flr },
{ PCI_VENDOR_ID_INTEL, 0x0953, delay_250ms_after_flr },
- { PCI_VENDOR_ID_CHELSIO, PCI_ANY_ID,
- reset_chelsio_generic_dev },
+ { PCI_VENDOR_ID_CHELSIO, PCI_ANY_ID, reset_chelsio_generic_dev },
+ { PCI_VENDOR_ID_ATI, 0x6860, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x6861, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x6862, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x6863, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x6864, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x6867, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x6868, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x6869, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x686a, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x686b, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x686c, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x686d, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x686e, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x686f, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x687f, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x69A0, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x69A1, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x69A2, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x69A3, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x69AF, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x66A0, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x66A1, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x66A2, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x66A3, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x66A4, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x66A7, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x66AF, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x7310, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x7312, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x7318, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x7319, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x731a, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x731b, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x731f, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x7340, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x7341, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x7347, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x734F, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x7360, reset_amd_navi10 },
+ { PCI_VENDOR_ID_ATI, 0x7362, reset_amd_navi10 },
{ 0 }
};
