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cxl: Add psl9 specific code
The new Coherent Accelerator Interface Architecture, level 2, for the
IBM POWER9 brings new content and features:
- POWER9 Service Layer
- Registers
- Radix mode
- Process element entry
- Dedicated-Shared Process Programming Model
- Translation Fault Handling
- CAPP
- Memory Context ID
If a valid mm_struct is found the memory context id is used for each
transaction associated with the process handle. The PSL uses the
context ID to find the corresponding process element.
Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
[mpe: Fixup comment formatting, unsplit long strings]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Lombard
Michael Ellerman
parent
abd1d99bb3
commit
f24be42aab
@ -21,7 +21,7 @@ Introduction
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Hardware overview
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=================
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POWER8 FPGA
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POWER8/9 FPGA
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+----------+ +---------+
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| | | |
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| CPU | | AFU |
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@ -34,7 +34,7 @@ Hardware overview
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| | CAPP |<------>| |
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+---+------+ PCIE +---------+
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The POWER8 chip has a Coherently Attached Processor Proxy (CAPP)
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The POWER8/9 chip has a Coherently Attached Processor Proxy (CAPP)
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unit which is part of the PCIe Host Bridge (PHB). This is managed
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by Linux by calls into OPAL. Linux doesn't directly program the
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CAPP.
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@ -59,6 +59,17 @@ Hardware overview
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the fault. The context to which this fault is serviced is based on
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who owns that acceleration function.
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POWER8 <-----> PSL Version 8 is compliant to the CAIA Version 1.0.
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POWER9 <-----> PSL Version 9 is compliant to the CAIA Version 2.0.
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This PSL Version 9 provides new features such as:
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* Interaction with the nest MMU on the P9 chip.
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* Native DMA support.
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* Supports sending ASB_Notify messages for host thread wakeup.
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* Supports Atomic operations.
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* ....
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Cards with a PSL9 won't work on a POWER8 system and cards with a
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PSL8 won't work on a POWER9 system.
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AFU Modes
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=========
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@ -188,13 +188,26 @@ int cxl_context_iomap(struct cxl_context *ctx, struct vm_area_struct *vma)
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if (ctx->afu->current_mode == CXL_MODE_DEDICATED) {
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if (start + len > ctx->afu->adapter->ps_size)
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return -EINVAL;
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if (cxl_is_psl9(ctx->afu)) {
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/*
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* Make sure there is a valid problem state
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* area space for this AFU.
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*/
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if (ctx->master && !ctx->afu->psa) {
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pr_devel("AFU doesn't support mmio space\n");
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return -EINVAL;
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}
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/* Can't mmap until the AFU is enabled */
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if (!ctx->afu->enabled)
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return -EBUSY;
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}
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} else {
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if (start + len > ctx->psn_size)
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return -EINVAL;
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}
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if (ctx->afu->current_mode != CXL_MODE_DEDICATED) {
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/* make sure there is a valid per process space for this AFU */
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/* Make sure there is a valid per process space for this AFU */
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if ((ctx->master && !ctx->afu->psa) || (!ctx->afu->pp_psa)) {
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pr_devel("AFU doesn't support mmio space\n");
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return -EINVAL;
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@ -63,7 +63,7 @@ typedef struct {
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/* Memory maps. Ref CXL Appendix A */
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/* PSL Privilege 1 Memory Map */
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/* Configuration and Control area */
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/* Configuration and Control area - CAIA 1&2 */
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static const cxl_p1_reg_t CXL_PSL_CtxTime = {0x0000};
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static const cxl_p1_reg_t CXL_PSL_ErrIVTE = {0x0008};
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static const cxl_p1_reg_t CXL_PSL_KEY1 = {0x0010};
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@ -98,11 +98,29 @@ static const cxl_p1_reg_t CXL_XSL_Timebase = {0x0100};
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static const cxl_p1_reg_t CXL_XSL_TB_CTLSTAT = {0x0108};
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static const cxl_p1_reg_t CXL_XSL_FEC = {0x0158};
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static const cxl_p1_reg_t CXL_XSL_DSNCTL = {0x0168};
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/* PSL registers - CAIA 2 */
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static const cxl_p1_reg_t CXL_PSL9_CONTROL = {0x0020};
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static const cxl_p1_reg_t CXL_XSL9_DSNCTL = {0x0168};
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static const cxl_p1_reg_t CXL_PSL9_FIR1 = {0x0300};
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static const cxl_p1_reg_t CXL_PSL9_FIR2 = {0x0308};
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static const cxl_p1_reg_t CXL_PSL9_Timebase = {0x0310};
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static const cxl_p1_reg_t CXL_PSL9_DEBUG = {0x0320};
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static const cxl_p1_reg_t CXL_PSL9_FIR_CNTL = {0x0348};
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static const cxl_p1_reg_t CXL_PSL9_DSNDCTL = {0x0350};
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static const cxl_p1_reg_t CXL_PSL9_TB_CTLSTAT = {0x0340};
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static const cxl_p1_reg_t CXL_PSL9_TRACECFG = {0x0368};
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static const cxl_p1_reg_t CXL_PSL9_APCDEDALLOC = {0x0378};
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static const cxl_p1_reg_t CXL_PSL9_APCDEDTYPE = {0x0380};
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static const cxl_p1_reg_t CXL_PSL9_TNR_ADDR = {0x0388};
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static const cxl_p1_reg_t CXL_PSL9_GP_CT = {0x0398};
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static const cxl_p1_reg_t CXL_XSL9_IERAT = {0x0588};
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static const cxl_p1_reg_t CXL_XSL9_ILPP = {0x0590};
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/* 0x7F00:7FFF Reserved PCIe MSI-X Pending Bit Array area */
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/* 0x8000:FFFF Reserved PCIe MSI-X Table Area */
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/* PSL Slice Privilege 1 Memory Map */
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/* Configuration Area */
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/* Configuration Area - CAIA 1&2 */
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static const cxl_p1n_reg_t CXL_PSL_SR_An = {0x00};
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static const cxl_p1n_reg_t CXL_PSL_LPID_An = {0x08};
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static const cxl_p1n_reg_t CXL_PSL_AMBAR_An = {0x10};
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@ -111,17 +129,18 @@ static const cxl_p1n_reg_t CXL_PSL_ID_An = {0x20};
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static const cxl_p1n_reg_t CXL_PSL_SERR_An = {0x28};
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/* Memory Management and Lookaside Buffer Management - CAIA 1*/
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static const cxl_p1n_reg_t CXL_PSL_SDR_An = {0x30};
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/* Memory Management and Lookaside Buffer Management - CAIA 1&2 */
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static const cxl_p1n_reg_t CXL_PSL_AMOR_An = {0x38};
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/* Pointer Area */
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/* Pointer Area - CAIA 1&2 */
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static const cxl_p1n_reg_t CXL_HAURP_An = {0x80};
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static const cxl_p1n_reg_t CXL_PSL_SPAP_An = {0x88};
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static const cxl_p1n_reg_t CXL_PSL_LLCMD_An = {0x90};
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/* Control Area */
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/* Control Area - CAIA 1&2 */
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static const cxl_p1n_reg_t CXL_PSL_SCNTL_An = {0xA0};
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static const cxl_p1n_reg_t CXL_PSL_CtxTime_An = {0xA8};
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static const cxl_p1n_reg_t CXL_PSL_IVTE_Offset_An = {0xB0};
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static const cxl_p1n_reg_t CXL_PSL_IVTE_Limit_An = {0xB8};
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/* 0xC0:FF Implementation Dependent Area */
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/* 0xC0:FF Implementation Dependent Area - CAIA 1&2 */
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static const cxl_p1n_reg_t CXL_PSL_FIR_SLICE_An = {0xC0};
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static const cxl_p1n_reg_t CXL_AFU_DEBUG_An = {0xC8};
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/* 0xC0:FF Implementation Dependent Area - CAIA 1 */
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@ -131,7 +150,7 @@ static const cxl_p1n_reg_t CXL_PSL_RXCTL_A = {0xE0};
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static const cxl_p1n_reg_t CXL_PSL_SLICE_TRACE = {0xE8};
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/* PSL Slice Privilege 2 Memory Map */
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/* Configuration and Control Area */
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/* Configuration and Control Area - CAIA 1&2 */
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static const cxl_p2n_reg_t CXL_PSL_PID_TID_An = {0x000};
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static const cxl_p2n_reg_t CXL_CSRP_An = {0x008};
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/* Configuration and Control Area - CAIA 1 */
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@ -145,17 +164,17 @@ static const cxl_p2n_reg_t CXL_PSL_AMR_An = {0x030};
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static const cxl_p2n_reg_t CXL_SLBIE_An = {0x040};
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static const cxl_p2n_reg_t CXL_SLBIA_An = {0x048};
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static const cxl_p2n_reg_t CXL_SLBI_Select_An = {0x050};
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/* Interrupt Registers */
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/* Interrupt Registers - CAIA 1&2 */
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static const cxl_p2n_reg_t CXL_PSL_DSISR_An = {0x060};
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static const cxl_p2n_reg_t CXL_PSL_DAR_An = {0x068};
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static const cxl_p2n_reg_t CXL_PSL_DSR_An = {0x070};
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static const cxl_p2n_reg_t CXL_PSL_TFC_An = {0x078};
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static const cxl_p2n_reg_t CXL_PSL_PEHandle_An = {0x080};
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static const cxl_p2n_reg_t CXL_PSL_ErrStat_An = {0x088};
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/* AFU Registers */
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/* AFU Registers - CAIA 1&2 */
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static const cxl_p2n_reg_t CXL_AFU_Cntl_An = {0x090};
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static const cxl_p2n_reg_t CXL_AFU_ERR_An = {0x098};
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/* Work Element Descriptor */
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/* Work Element Descriptor - CAIA 1&2 */
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static const cxl_p2n_reg_t CXL_PSL_WED_An = {0x0A0};
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/* 0x0C0:FFF Implementation Dependent Area */
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@ -182,6 +201,10 @@ static const cxl_p2n_reg_t CXL_PSL_WED_An = {0x0A0};
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#define CXL_PSL_SR_An_SF MSR_SF /* 64bit */
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#define CXL_PSL_SR_An_TA (1ull << (63-1)) /* Tags active, GA1: 0 */
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#define CXL_PSL_SR_An_HV MSR_HV /* Hypervisor, GA1: 0 */
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#define CXL_PSL_SR_An_XLAT_hpt (0ull << (63-6))/* Hashed page table (HPT) mode */
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#define CXL_PSL_SR_An_XLAT_roh (2ull << (63-6))/* Radix on HPT mode */
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#define CXL_PSL_SR_An_XLAT_ror (3ull << (63-6))/* Radix on Radix mode */
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#define CXL_PSL_SR_An_BOT (1ull << (63-10)) /* Use the in-memory segment table */
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#define CXL_PSL_SR_An_PR MSR_PR /* Problem state, GA1: 1 */
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#define CXL_PSL_SR_An_ISL (1ull << (63-53)) /* Ignore Segment Large Page */
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#define CXL_PSL_SR_An_TC (1ull << (63-54)) /* Page Table secondary hash */
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@ -298,12 +321,39 @@ static const cxl_p2n_reg_t CXL_PSL_WED_An = {0x0A0};
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#define CXL_PSL_DSISR_An_S DSISR_ISSTORE /* Access was afu_wr or afu_zero */
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#define CXL_PSL_DSISR_An_K DSISR_KEYFAULT /* Access not permitted by virtual page class key protection */
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/****** CXL_PSL_DSISR_An - CAIA 2 ****************************************************/
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#define CXL_PSL9_DSISR_An_TF (1ull << (63-3)) /* Translation fault */
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#define CXL_PSL9_DSISR_An_PE (1ull << (63-4)) /* PSL Error (implementation specific) */
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#define CXL_PSL9_DSISR_An_AE (1ull << (63-5)) /* AFU Error */
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#define CXL_PSL9_DSISR_An_OC (1ull << (63-6)) /* OS Context Warning */
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#define CXL_PSL9_DSISR_An_S (1ull << (63-38)) /* TF for a write operation */
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#define CXL_PSL9_DSISR_PENDING (CXL_PSL9_DSISR_An_TF | CXL_PSL9_DSISR_An_PE | CXL_PSL9_DSISR_An_AE | CXL_PSL9_DSISR_An_OC)
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/*
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* NOTE: Bits 56:63 (Checkout Response Status) are valid when DSISR_An[TF] = 1
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* Status (0:7) Encoding
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*/
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#define CXL_PSL9_DSISR_An_CO_MASK 0x00000000000000ffULL
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#define CXL_PSL9_DSISR_An_SF 0x0000000000000080ULL /* Segment Fault 0b10000000 */
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#define CXL_PSL9_DSISR_An_PF_SLR 0x0000000000000088ULL /* PTE not found (Single Level Radix) 0b10001000 */
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#define CXL_PSL9_DSISR_An_PF_RGC 0x000000000000008CULL /* PTE not found (Radix Guest (child)) 0b10001100 */
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#define CXL_PSL9_DSISR_An_PF_RGP 0x0000000000000090ULL /* PTE not found (Radix Guest (parent)) 0b10010000 */
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#define CXL_PSL9_DSISR_An_PF_HRH 0x0000000000000094ULL /* PTE not found (HPT/Radix Host) 0b10010100 */
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#define CXL_PSL9_DSISR_An_PF_STEG 0x000000000000009CULL /* PTE not found (STEG VA) 0b10011100 */
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/****** CXL_PSL_TFC_An ******************************************************/
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#define CXL_PSL_TFC_An_A (1ull << (63-28)) /* Acknowledge non-translation fault */
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#define CXL_PSL_TFC_An_C (1ull << (63-29)) /* Continue (abort transaction) */
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#define CXL_PSL_TFC_An_AE (1ull << (63-30)) /* Restart PSL with address error */
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#define CXL_PSL_TFC_An_R (1ull << (63-31)) /* Restart PSL transaction */
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/****** CXL_XSL9_IERAT_ERAT - CAIA 2 **********************************/
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#define CXL_XSL9_IERAT_MLPID (1ull << (63-0)) /* Match LPID */
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#define CXL_XSL9_IERAT_MPID (1ull << (63-1)) /* Match PID */
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#define CXL_XSL9_IERAT_PRS (1ull << (63-4)) /* PRS bit for Radix invalidations */
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#define CXL_XSL9_IERAT_INVR (1ull << (63-3)) /* Invalidate Radix */
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#define CXL_XSL9_IERAT_IALL (1ull << (63-8)) /* Invalidate All */
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#define CXL_XSL9_IERAT_IINPROG (1ull << (63-63)) /* Invalidate in progress */
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/* cxl_process_element->software_status */
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#define CXL_PE_SOFTWARE_STATE_V (1ul << (31 - 0)) /* Valid */
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#define CXL_PE_SOFTWARE_STATE_C (1ul << (31 - 29)) /* Complete */
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@ -654,25 +704,38 @@ int cxl_pci_reset(struct cxl *adapter);
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void cxl_pci_release_afu(struct device *dev);
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ssize_t cxl_pci_read_adapter_vpd(struct cxl *adapter, void *buf, size_t len);
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/* common == phyp + powernv */
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/* common == phyp + powernv - CAIA 1&2 */
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struct cxl_process_element_common {
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__be32 tid;
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__be32 pid;
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__be64 csrp;
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__be64 aurp0;
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__be64 aurp1;
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__be64 sstp0;
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__be64 sstp1;
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union {
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struct {
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__be64 aurp0;
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__be64 aurp1;
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__be64 sstp0;
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__be64 sstp1;
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} psl8; /* CAIA 1 */
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struct {
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u8 reserved2[8];
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u8 reserved3[8];
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u8 reserved4[8];
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u8 reserved5[8];
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} psl9; /* CAIA 2 */
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} u;
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__be64 amr;
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u8 reserved3[4];
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u8 reserved6[4];
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__be64 wed;
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} __packed;
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/* just powernv */
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/* just powernv - CAIA 1&2 */
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struct cxl_process_element {
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__be64 sr;
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__be64 SPOffset;
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__be64 sdr;
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union {
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__be64 sdr; /* CAIA 1 */
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u8 reserved1[8]; /* CAIA 2 */
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} u;
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__be64 haurp;
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__be32 ctxtime;
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__be16 ivte_offsets[4];
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@ -761,6 +824,16 @@ static inline bool cxl_is_power8(void)
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return false;
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}
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static inline bool cxl_is_power9(void)
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{
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/* intermediate solution */
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if (!cxl_is_power8() &&
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(cpu_has_feature(CPU_FTRS_POWER9) ||
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cpu_has_feature(CPU_FTR_POWER9_DD1)))
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return true;
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return false;
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}
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static inline bool cxl_is_psl8(struct cxl_afu *afu)
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{
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if (afu->adapter->caia_major == 1)
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@ -768,6 +841,13 @@ static inline bool cxl_is_psl8(struct cxl_afu *afu)
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return false;
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}
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static inline bool cxl_is_psl9(struct cxl_afu *afu)
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{
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if (afu->adapter->caia_major == 2)
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return true;
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return false;
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}
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ssize_t cxl_pci_afu_read_err_buffer(struct cxl_afu *afu, char *buf,
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loff_t off, size_t count);
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@ -794,7 +874,6 @@ int cxl_update_properties(struct device_node *dn, struct property *new_prop);
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void cxl_remove_adapter_nr(struct cxl *adapter);
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int cxl_alloc_spa(struct cxl_afu *afu);
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void cxl_release_spa(struct cxl_afu *afu);
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dev_t cxl_get_dev(void);
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@ -832,9 +911,13 @@ int afu_register_irqs(struct cxl_context *ctx, u32 count);
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void afu_release_irqs(struct cxl_context *ctx, void *cookie);
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void afu_irq_name_free(struct cxl_context *ctx);
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int cxl_attach_afu_directed_psl9(struct cxl_context *ctx, u64 wed, u64 amr);
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int cxl_attach_afu_directed_psl8(struct cxl_context *ctx, u64 wed, u64 amr);
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int cxl_activate_dedicated_process_psl9(struct cxl_afu *afu);
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int cxl_activate_dedicated_process_psl8(struct cxl_afu *afu);
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int cxl_attach_dedicated_process_psl9(struct cxl_context *ctx, u64 wed, u64 amr);
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int cxl_attach_dedicated_process_psl8(struct cxl_context *ctx, u64 wed, u64 amr);
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void cxl_update_dedicated_ivtes_psl9(struct cxl_context *ctx);
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void cxl_update_dedicated_ivtes_psl8(struct cxl_context *ctx);
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#ifdef CONFIG_DEBUG_FS
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@ -845,9 +928,12 @@ int cxl_debugfs_adapter_add(struct cxl *adapter);
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void cxl_debugfs_adapter_remove(struct cxl *adapter);
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int cxl_debugfs_afu_add(struct cxl_afu *afu);
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void cxl_debugfs_afu_remove(struct cxl_afu *afu);
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void cxl_stop_trace_psl9(struct cxl *cxl);
|
||||
void cxl_stop_trace_psl8(struct cxl *cxl);
|
||||
void cxl_debugfs_add_adapter_regs_psl9(struct cxl *adapter, struct dentry *dir);
|
||||
void cxl_debugfs_add_adapter_regs_psl8(struct cxl *adapter, struct dentry *dir);
|
||||
void cxl_debugfs_add_adapter_regs_xsl(struct cxl *adapter, struct dentry *dir);
|
||||
void cxl_debugfs_add_afu_regs_psl9(struct cxl_afu *afu, struct dentry *dir);
|
||||
void cxl_debugfs_add_afu_regs_psl8(struct cxl_afu *afu, struct dentry *dir);
|
||||
|
||||
#else /* CONFIG_DEBUG_FS */
|
||||
@ -879,10 +965,19 @@ static inline void cxl_debugfs_afu_remove(struct cxl_afu *afu)
|
||||
{
|
||||
}
|
||||
|
||||
static inline void cxl_stop_trace_psl9(struct cxl *cxl)
|
||||
{
|
||||
}
|
||||
|
||||
static inline void cxl_stop_trace_psl8(struct cxl *cxl)
|
||||
{
|
||||
}
|
||||
|
||||
static inline void cxl_debugfs_add_adapter_regs_psl9(struct cxl *adapter,
|
||||
struct dentry *dir)
|
||||
{
|
||||
}
|
||||
|
||||
static inline void cxl_debugfs_add_adapter_regs_psl8(struct cxl *adapter,
|
||||
struct dentry *dir)
|
||||
{
|
||||
@ -893,6 +988,10 @@ static inline void cxl_debugfs_add_adapter_regs_xsl(struct cxl *adapter,
|
||||
{
|
||||
}
|
||||
|
||||
static inline void cxl_debugfs_add_afu_regs_psl9(struct cxl_afu *afu, struct dentry *dir)
|
||||
{
|
||||
}
|
||||
|
||||
static inline void cxl_debugfs_add_afu_regs_psl8(struct cxl_afu *afu, struct dentry *dir)
|
||||
{
|
||||
}
|
||||
@ -938,7 +1037,9 @@ struct cxl_irq_info {
|
||||
};
|
||||
|
||||
void cxl_assign_psn_space(struct cxl_context *ctx);
|
||||
int cxl_invalidate_all_psl9(struct cxl *adapter);
|
||||
int cxl_invalidate_all_psl8(struct cxl *adapter);
|
||||
irqreturn_t cxl_irq_psl9(int irq, struct cxl_context *ctx, struct cxl_irq_info *irq_info);
|
||||
irqreturn_t cxl_irq_psl8(int irq, struct cxl_context *ctx, struct cxl_irq_info *irq_info);
|
||||
irqreturn_t cxl_fail_irq_psl(struct cxl_afu *afu, struct cxl_irq_info *irq_info);
|
||||
int cxl_register_one_irq(struct cxl *adapter, irq_handler_t handler,
|
||||
@ -951,6 +1052,7 @@ int cxl_data_cache_flush(struct cxl *adapter);
|
||||
int cxl_afu_disable(struct cxl_afu *afu);
|
||||
int cxl_psl_purge(struct cxl_afu *afu);
|
||||
|
||||
void cxl_native_irq_dump_regs_psl9(struct cxl_context *ctx);
|
||||
void cxl_native_irq_dump_regs_psl8(struct cxl_context *ctx);
|
||||
void cxl_native_err_irq_dump_regs(struct cxl *adapter);
|
||||
int cxl_pci_vphb_add(struct cxl_afu *afu);
|
||||
|
||||
@ -15,6 +15,12 @@
|
||||
|
||||
static struct dentry *cxl_debugfs;
|
||||
|
||||
void cxl_stop_trace_psl9(struct cxl *adapter)
|
||||
{
|
||||
/* Stop the trace */
|
||||
cxl_p1_write(adapter, CXL_PSL9_TRACECFG, 0x4480000000000000ULL);
|
||||
}
|
||||
|
||||
void cxl_stop_trace_psl8(struct cxl *adapter)
|
||||
{
|
||||
int slice;
|
||||
@ -53,6 +59,14 @@ static struct dentry *debugfs_create_io_x64(const char *name, umode_t mode,
|
||||
(void __force *)value, &fops_io_x64);
|
||||
}
|
||||
|
||||
void cxl_debugfs_add_adapter_regs_psl9(struct cxl *adapter, struct dentry *dir)
|
||||
{
|
||||
debugfs_create_io_x64("fir1", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL9_FIR1));
|
||||
debugfs_create_io_x64("fir2", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL9_FIR2));
|
||||
debugfs_create_io_x64("fir_cntl", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL9_FIR_CNTL));
|
||||
debugfs_create_io_x64("trace", S_IRUSR | S_IWUSR, dir, _cxl_p1_addr(adapter, CXL_PSL9_TRACECFG));
|
||||
}
|
||||
|
||||
void cxl_debugfs_add_adapter_regs_psl8(struct cxl *adapter, struct dentry *dir)
|
||||
{
|
||||
debugfs_create_io_x64("fir1", S_IRUSR, dir, _cxl_p1_addr(adapter, CXL_PSL_FIR1));
|
||||
@ -92,6 +106,11 @@ void cxl_debugfs_adapter_remove(struct cxl *adapter)
|
||||
debugfs_remove_recursive(adapter->debugfs);
|
||||
}
|
||||
|
||||
void cxl_debugfs_add_afu_regs_psl9(struct cxl_afu *afu, struct dentry *dir)
|
||||
{
|
||||
debugfs_create_io_x64("serr", S_IRUSR, dir, _cxl_p1n_addr(afu, CXL_PSL_SERR_An));
|
||||
}
|
||||
|
||||
void cxl_debugfs_add_afu_regs_psl8(struct cxl_afu *afu, struct dentry *dir)
|
||||
{
|
||||
debugfs_create_io_x64("sstp0", S_IRUSR, dir, _cxl_p2n_addr(afu, CXL_SSTP0_An));
|
||||
|
||||
@ -146,25 +146,26 @@ static void cxl_handle_page_fault(struct cxl_context *ctx,
|
||||
return cxl_ack_ae(ctx);
|
||||
}
|
||||
|
||||
/*
|
||||
* update_mmu_cache() will not have loaded the hash since current->trap
|
||||
* is not a 0x400 or 0x300, so just call hash_page_mm() here.
|
||||
*/
|
||||
access = _PAGE_PRESENT | _PAGE_READ;
|
||||
if (dsisr & CXL_PSL_DSISR_An_S)
|
||||
access |= _PAGE_WRITE;
|
||||
if (!radix_enabled()) {
|
||||
/*
|
||||
* update_mmu_cache() will not have loaded the hash since current->trap
|
||||
* is not a 0x400 or 0x300, so just call hash_page_mm() here.
|
||||
*/
|
||||
access = _PAGE_PRESENT | _PAGE_READ;
|
||||
if (dsisr & CXL_PSL_DSISR_An_S)
|
||||
access |= _PAGE_WRITE;
|
||||
|
||||
access |= _PAGE_PRIVILEGED;
|
||||
if ((!ctx->kernel) || (REGION_ID(dar) == USER_REGION_ID))
|
||||
access &= ~_PAGE_PRIVILEGED;
|
||||
access |= _PAGE_PRIVILEGED;
|
||||
if ((!ctx->kernel) || (REGION_ID(dar) == USER_REGION_ID))
|
||||
access &= ~_PAGE_PRIVILEGED;
|
||||
|
||||
if (dsisr & DSISR_NOHPTE)
|
||||
inv_flags |= HPTE_NOHPTE_UPDATE;
|
||||
|
||||
local_irq_save(flags);
|
||||
hash_page_mm(mm, dar, access, 0x300, inv_flags);
|
||||
local_irq_restore(flags);
|
||||
if (dsisr & DSISR_NOHPTE)
|
||||
inv_flags |= HPTE_NOHPTE_UPDATE;
|
||||
|
||||
local_irq_save(flags);
|
||||
hash_page_mm(mm, dar, access, 0x300, inv_flags);
|
||||
local_irq_restore(flags);
|
||||
}
|
||||
pr_devel("Page fault successfully handled for pe: %i!\n", ctx->pe);
|
||||
cxl_ops->ack_irq(ctx, CXL_PSL_TFC_An_R, 0);
|
||||
}
|
||||
@ -184,7 +185,28 @@ static struct mm_struct *get_mem_context(struct cxl_context *ctx)
|
||||
return ctx->mm;
|
||||
}
|
||||
|
||||
static bool cxl_is_segment_miss(struct cxl_context *ctx, u64 dsisr)
|
||||
{
|
||||
if ((cxl_is_psl8(ctx->afu)) && (dsisr & CXL_PSL_DSISR_An_DS))
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
static bool cxl_is_page_fault(struct cxl_context *ctx, u64 dsisr)
|
||||
{
|
||||
if ((cxl_is_psl8(ctx->afu)) && (dsisr & CXL_PSL_DSISR_An_DM))
|
||||
return true;
|
||||
|
||||
if ((cxl_is_psl9(ctx->afu)) &&
|
||||
((dsisr & CXL_PSL9_DSISR_An_CO_MASK) &
|
||||
(CXL_PSL9_DSISR_An_PF_SLR | CXL_PSL9_DSISR_An_PF_RGC |
|
||||
CXL_PSL9_DSISR_An_PF_RGP | CXL_PSL9_DSISR_An_PF_HRH |
|
||||
CXL_PSL9_DSISR_An_PF_STEG)))
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
void cxl_handle_fault(struct work_struct *fault_work)
|
||||
{
|
||||
@ -230,9 +252,9 @@ void cxl_handle_fault(struct work_struct *fault_work)
|
||||
}
|
||||
}
|
||||
|
||||
if (dsisr & CXL_PSL_DSISR_An_DS)
|
||||
if (cxl_is_segment_miss(ctx, dsisr))
|
||||
cxl_handle_segment_miss(ctx, mm, dar);
|
||||
else if (dsisr & CXL_PSL_DSISR_An_DM)
|
||||
else if (cxl_is_page_fault(ctx, dsisr))
|
||||
cxl_handle_page_fault(ctx, mm, dsisr, dar);
|
||||
else
|
||||
WARN(1, "cxl_handle_fault has nothing to handle\n");
|
||||
|
||||
@ -551,13 +551,13 @@ static int attach_afu_directed(struct cxl_context *ctx, u64 wed, u64 amr)
|
||||
elem->common.tid = cpu_to_be32(0); /* Unused */
|
||||
elem->common.pid = cpu_to_be32(pid);
|
||||
elem->common.csrp = cpu_to_be64(0); /* disable */
|
||||
elem->common.aurp0 = cpu_to_be64(0); /* disable */
|
||||
elem->common.aurp1 = cpu_to_be64(0); /* disable */
|
||||
elem->common.u.psl8.aurp0 = cpu_to_be64(0); /* disable */
|
||||
elem->common.u.psl8.aurp1 = cpu_to_be64(0); /* disable */
|
||||
|
||||
cxl_prefault(ctx, wed);
|
||||
|
||||
elem->common.sstp0 = cpu_to_be64(ctx->sstp0);
|
||||
elem->common.sstp1 = cpu_to_be64(ctx->sstp1);
|
||||
elem->common.u.psl8.sstp0 = cpu_to_be64(ctx->sstp0);
|
||||
elem->common.u.psl8.sstp1 = cpu_to_be64(ctx->sstp1);
|
||||
|
||||
/*
|
||||
* Ensure we have at least one interrupt allocated to take faults for
|
||||
|
||||
@ -34,6 +34,57 @@ static irqreturn_t schedule_cxl_fault(struct cxl_context *ctx, u64 dsisr, u64 da
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
irqreturn_t cxl_irq_psl9(int irq, struct cxl_context *ctx, struct cxl_irq_info *irq_info)
|
||||
{
|
||||
u64 dsisr, dar;
|
||||
|
||||
dsisr = irq_info->dsisr;
|
||||
dar = irq_info->dar;
|
||||
|
||||
trace_cxl_psl9_irq(ctx, irq, dsisr, dar);
|
||||
|
||||
pr_devel("CXL interrupt %i for afu pe: %i DSISR: %#llx DAR: %#llx\n", irq, ctx->pe, dsisr, dar);
|
||||
|
||||
if (dsisr & CXL_PSL9_DSISR_An_TF) {
|
||||
pr_devel("CXL interrupt: Scheduling translation fault handling for later (pe: %i)\n", ctx->pe);
|
||||
return schedule_cxl_fault(ctx, dsisr, dar);
|
||||
}
|
||||
|
||||
if (dsisr & CXL_PSL9_DSISR_An_PE)
|
||||
return cxl_ops->handle_psl_slice_error(ctx, dsisr,
|
||||
irq_info->errstat);
|
||||
if (dsisr & CXL_PSL9_DSISR_An_AE) {
|
||||
pr_devel("CXL interrupt: AFU Error 0x%016llx\n", irq_info->afu_err);
|
||||
|
||||
if (ctx->pending_afu_err) {
|
||||
/*
|
||||
* This shouldn't happen - the PSL treats these errors
|
||||
* as fatal and will have reset the AFU, so there's not
|
||||
* much point buffering multiple AFU errors.
|
||||
* OTOH if we DO ever see a storm of these come in it's
|
||||
* probably best that we log them somewhere:
|
||||
*/
|
||||
dev_err_ratelimited(&ctx->afu->dev, "CXL AFU Error undelivered to pe %i: 0x%016llx\n",
|
||||
ctx->pe, irq_info->afu_err);
|
||||
} else {
|
||||
spin_lock(&ctx->lock);
|
||||
ctx->afu_err = irq_info->afu_err;
|
||||
ctx->pending_afu_err = 1;
|
||||
spin_unlock(&ctx->lock);
|
||||
|
||||
wake_up_all(&ctx->wq);
|
||||
}
|
||||
|
||||
cxl_ops->ack_irq(ctx, CXL_PSL_TFC_An_A, 0);
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
if (dsisr & CXL_PSL9_DSISR_An_OC)
|
||||
pr_devel("CXL interrupt: OS Context Warning\n");
|
||||
|
||||
WARN(1, "Unhandled CXL PSL IRQ\n");
|
||||
return IRQ_HANDLED;
|
||||
}
|
||||
|
||||
irqreturn_t cxl_irq_psl8(int irq, struct cxl_context *ctx, struct cxl_irq_info *irq_info)
|
||||
{
|
||||
u64 dsisr, dar;
|
||||
|
||||
@ -120,6 +120,7 @@ int cxl_psl_purge(struct cxl_afu *afu)
|
||||
u64 AFU_Cntl = cxl_p2n_read(afu, CXL_AFU_Cntl_An);
|
||||
u64 dsisr, dar;
|
||||
u64 start, end;
|
||||
u64 trans_fault = 0x0ULL;
|
||||
unsigned long timeout = jiffies + (HZ * CXL_TIMEOUT);
|
||||
int rc = 0;
|
||||
|
||||
@ -127,6 +128,11 @@ int cxl_psl_purge(struct cxl_afu *afu)
|
||||
|
||||
pr_devel("PSL purge request\n");
|
||||
|
||||
if (cxl_is_psl8(afu))
|
||||
trans_fault = CXL_PSL_DSISR_TRANS;
|
||||
if (cxl_is_psl9(afu))
|
||||
trans_fault = CXL_PSL9_DSISR_An_TF;
|
||||
|
||||
if (!cxl_ops->link_ok(afu->adapter, afu)) {
|
||||
dev_warn(&afu->dev, "PSL Purge called with link down, ignoring\n");
|
||||
rc = -EIO;
|
||||
@ -158,7 +164,7 @@ int cxl_psl_purge(struct cxl_afu *afu)
|
||||
pr_devel_ratelimited("PSL purging... PSL_CNTL: 0x%016llx PSL_DSISR: 0x%016llx\n",
|
||||
PSL_CNTL, dsisr);
|
||||
|
||||
if (dsisr & CXL_PSL_DSISR_TRANS) {
|
||||
if (dsisr & trans_fault) {
|
||||
dar = cxl_p2n_read(afu, CXL_PSL_DAR_An);
|
||||
dev_notice(&afu->dev, "PSL purge terminating pending translation, DSISR: 0x%016llx, DAR: 0x%016llx\n",
|
||||
dsisr, dar);
|
||||
@ -200,7 +206,7 @@ static int spa_max_procs(int spa_size)
|
||||
return ((spa_size / 8) - 96) / 17;
|
||||
}
|
||||
|
||||
int cxl_alloc_spa(struct cxl_afu *afu)
|
||||
static int cxl_alloc_spa(struct cxl_afu *afu, int mode)
|
||||
{
|
||||
unsigned spa_size;
|
||||
|
||||
@ -213,7 +219,8 @@ int cxl_alloc_spa(struct cxl_afu *afu)
|
||||
if (spa_size > 0x100000) {
|
||||
dev_warn(&afu->dev, "num_of_processes too large for the SPA, limiting to %i (0x%x)\n",
|
||||
afu->native->spa_max_procs, afu->native->spa_size);
|
||||
afu->num_procs = afu->native->spa_max_procs;
|
||||
if (mode != CXL_MODE_DEDICATED)
|
||||
afu->num_procs = afu->native->spa_max_procs;
|
||||
break;
|
||||
}
|
||||
|
||||
@ -262,6 +269,36 @@ void cxl_release_spa(struct cxl_afu *afu)
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
* Invalidation of all ERAT entries is no longer required by CAIA2. Use
|
||||
* only for debug.
|
||||
*/
|
||||
int cxl_invalidate_all_psl9(struct cxl *adapter)
|
||||
{
|
||||
unsigned long timeout = jiffies + (HZ * CXL_TIMEOUT);
|
||||
u64 ierat;
|
||||
|
||||
pr_devel("CXL adapter - invalidation of all ERAT entries\n");
|
||||
|
||||
/* Invalidates all ERAT entries for Radix or HPT */
|
||||
ierat = CXL_XSL9_IERAT_IALL;
|
||||
if (radix_enabled())
|
||||
ierat |= CXL_XSL9_IERAT_INVR;
|
||||
cxl_p1_write(adapter, CXL_XSL9_IERAT, ierat);
|
||||
|
||||
while (cxl_p1_read(adapter, CXL_XSL9_IERAT) & CXL_XSL9_IERAT_IINPROG) {
|
||||
if (time_after_eq(jiffies, timeout)) {
|
||||
dev_warn(&adapter->dev,
|
||||
"WARNING: CXL adapter invalidation of all ERAT entries timed out!\n");
|
||||
return -EBUSY;
|
||||
}
|
||||
if (!cxl_ops->link_ok(adapter, NULL))
|
||||
return -EIO;
|
||||
cpu_relax();
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
int cxl_invalidate_all_psl8(struct cxl *adapter)
|
||||
{
|
||||
unsigned long timeout = jiffies + (HZ * CXL_TIMEOUT);
|
||||
@ -498,7 +535,7 @@ static int activate_afu_directed(struct cxl_afu *afu)
|
||||
|
||||
afu->num_procs = afu->max_procs_virtualised;
|
||||
if (afu->native->spa == NULL) {
|
||||
if (cxl_alloc_spa(afu))
|
||||
if (cxl_alloc_spa(afu, CXL_MODE_DIRECTED))
|
||||
return -ENOMEM;
|
||||
}
|
||||
attach_spa(afu);
|
||||
@ -548,10 +585,19 @@ static u64 calculate_sr(struct cxl_context *ctx)
|
||||
sr |= (mfmsr() & MSR_SF) | CXL_PSL_SR_An_HV;
|
||||
} else {
|
||||
sr |= CXL_PSL_SR_An_PR | CXL_PSL_SR_An_R;
|
||||
sr &= ~(CXL_PSL_SR_An_HV);
|
||||
if (radix_enabled())
|
||||
sr |= CXL_PSL_SR_An_HV;
|
||||
else
|
||||
sr &= ~(CXL_PSL_SR_An_HV);
|
||||
if (!test_tsk_thread_flag(current, TIF_32BIT))
|
||||
sr |= CXL_PSL_SR_An_SF;
|
||||
}
|
||||
if (cxl_is_psl9(ctx->afu)) {
|
||||
if (radix_enabled())
|
||||
sr |= CXL_PSL_SR_An_XLAT_ror;
|
||||
else
|
||||
sr |= CXL_PSL_SR_An_XLAT_hpt;
|
||||
}
|
||||
return sr;
|
||||
}
|
||||
|
||||
@ -584,6 +630,70 @@ static void update_ivtes_directed(struct cxl_context *ctx)
|
||||
WARN_ON(add_process_element(ctx));
|
||||
}
|
||||
|
||||
static int process_element_entry_psl9(struct cxl_context *ctx, u64 wed, u64 amr)
|
||||
{
|
||||
u32 pid;
|
||||
|
||||
cxl_assign_psn_space(ctx);
|
||||
|
||||
ctx->elem->ctxtime = 0; /* disable */
|
||||
ctx->elem->lpid = cpu_to_be32(mfspr(SPRN_LPID));
|
||||
ctx->elem->haurp = 0; /* disable */
|
||||
|
||||
if (ctx->kernel)
|
||||
pid = 0;
|
||||
else {
|
||||
if (ctx->mm == NULL) {
|
||||
pr_devel("%s: unable to get mm for pe=%d pid=%i\n",
|
||||
__func__, ctx->pe, pid_nr(ctx->pid));
|
||||
return -EINVAL;
|
||||
}
|
||||
pid = ctx->mm->context.id;
|
||||
}
|
||||
|
||||
ctx->elem->common.tid = 0;
|
||||
ctx->elem->common.pid = cpu_to_be32(pid);
|
||||
|
||||
ctx->elem->sr = cpu_to_be64(calculate_sr(ctx));
|
||||
|
||||
ctx->elem->common.csrp = 0; /* disable */
|
||||
|
||||
cxl_prefault(ctx, wed);
|
||||
|
||||
/*
|
||||
* Ensure we have the multiplexed PSL interrupt set up to take faults
|
||||
* for kernel contexts that may not have allocated any AFU IRQs at all:
|
||||
*/
|
||||
if (ctx->irqs.range[0] == 0) {
|
||||
ctx->irqs.offset[0] = ctx->afu->native->psl_hwirq;
|
||||
ctx->irqs.range[0] = 1;
|
||||
}
|
||||
|
||||
ctx->elem->common.amr = cpu_to_be64(amr);
|
||||
ctx->elem->common.wed = cpu_to_be64(wed);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
int cxl_attach_afu_directed_psl9(struct cxl_context *ctx, u64 wed, u64 amr)
|
||||
{
|
||||
int result;
|
||||
|
||||
/* fill the process element entry */
|
||||
result = process_element_entry_psl9(ctx, wed, amr);
|
||||
if (result)
|
||||
return result;
|
||||
|
||||
update_ivtes_directed(ctx);
|
||||
|
||||
/* first guy needs to enable */
|
||||
result = cxl_ops->afu_check_and_enable(ctx->afu);
|
||||
if (result)
|
||||
return result;
|
||||
|
||||
return add_process_element(ctx);
|
||||
}
|
||||
|
||||
int cxl_attach_afu_directed_psl8(struct cxl_context *ctx, u64 wed, u64 amr)
|
||||
{
|
||||
u32 pid;
|
||||
@ -594,7 +704,7 @@ int cxl_attach_afu_directed_psl8(struct cxl_context *ctx, u64 wed, u64 amr)
|
||||
ctx->elem->ctxtime = 0; /* disable */
|
||||
ctx->elem->lpid = cpu_to_be32(mfspr(SPRN_LPID));
|
||||
ctx->elem->haurp = 0; /* disable */
|
||||
ctx->elem->sdr = cpu_to_be64(mfspr(SPRN_SDR1));
|
||||
ctx->elem->u.sdr = cpu_to_be64(mfspr(SPRN_SDR1));
|
||||
|
||||
pid = current->pid;
|
||||
if (ctx->kernel)
|
||||
@ -605,13 +715,13 @@ int cxl_attach_afu_directed_psl8(struct cxl_context *ctx, u64 wed, u64 amr)
|
||||
ctx->elem->sr = cpu_to_be64(calculate_sr(ctx));
|
||||
|
||||
ctx->elem->common.csrp = 0; /* disable */
|
||||
ctx->elem->common.aurp0 = 0; /* disable */
|
||||
ctx->elem->common.aurp1 = 0; /* disable */
|
||||
ctx->elem->common.u.psl8.aurp0 = 0; /* disable */
|
||||
ctx->elem->common.u.psl8.aurp1 = 0; /* disable */
|
||||
|
||||
cxl_prefault(ctx, wed);
|
||||
|
||||
ctx->elem->common.sstp0 = cpu_to_be64(ctx->sstp0);
|
||||
ctx->elem->common.sstp1 = cpu_to_be64(ctx->sstp1);
|
||||
ctx->elem->common.u.psl8.sstp0 = cpu_to_be64(ctx->sstp0);
|
||||
ctx->elem->common.u.psl8.sstp1 = cpu_to_be64(ctx->sstp1);
|
||||
|
||||
/*
|
||||
* Ensure we have the multiplexed PSL interrupt set up to take faults
|
||||
@ -677,6 +787,32 @@ static int deactivate_afu_directed(struct cxl_afu *afu)
|
||||
return 0;
|
||||
}
|
||||
|
||||
int cxl_activate_dedicated_process_psl9(struct cxl_afu *afu)
|
||||
{
|
||||
dev_info(&afu->dev, "Activating dedicated process mode\n");
|
||||
|
||||
/*
|
||||
* If XSL is set to dedicated mode (Set in PSL_SCNTL reg), the
|
||||
* XSL and AFU are programmed to work with a single context.
|
||||
* The context information should be configured in the SPA area
|
||||
* index 0 (so PSL_SPAP must be configured before enabling the
|
||||
* AFU).
|
||||
*/
|
||||
afu->num_procs = 1;
|
||||
if (afu->native->spa == NULL) {
|
||||
if (cxl_alloc_spa(afu, CXL_MODE_DEDICATED))
|
||||
return -ENOMEM;
|
||||
}
|
||||
attach_spa(afu);
|
||||
|
||||
cxl_p1n_write(afu, CXL_PSL_SCNTL_An, CXL_PSL_SCNTL_An_PM_Process);
|
||||
cxl_p1n_write(afu, CXL_PSL_ID_An, CXL_PSL_ID_An_F | CXL_PSL_ID_An_L);
|
||||
|
||||
afu->current_mode = CXL_MODE_DEDICATED;
|
||||
|
||||
return cxl_chardev_d_afu_add(afu);
|
||||
}
|
||||
|
||||
int cxl_activate_dedicated_process_psl8(struct cxl_afu *afu)
|
||||
{
|
||||
dev_info(&afu->dev, "Activating dedicated process mode\n");
|
||||
@ -700,6 +836,16 @@ int cxl_activate_dedicated_process_psl8(struct cxl_afu *afu)
|
||||
return cxl_chardev_d_afu_add(afu);
|
||||
}
|
||||
|
||||
void cxl_update_dedicated_ivtes_psl9(struct cxl_context *ctx)
|
||||
{
|
||||
int r;
|
||||
|
||||
for (r = 0; r < CXL_IRQ_RANGES; r++) {
|
||||
ctx->elem->ivte_offsets[r] = cpu_to_be16(ctx->irqs.offset[r]);
|
||||
ctx->elem->ivte_ranges[r] = cpu_to_be16(ctx->irqs.range[r]);
|
||||
}
|
||||
}
|
||||
|
||||
void cxl_update_dedicated_ivtes_psl8(struct cxl_context *ctx)
|
||||
{
|
||||
struct cxl_afu *afu = ctx->afu;
|
||||
@ -716,6 +862,26 @@ void cxl_update_dedicated_ivtes_psl8(struct cxl_context *ctx)
|
||||
((u64)ctx->irqs.range[3] & 0xffff));
|
||||
}
|
||||
|
||||
int cxl_attach_dedicated_process_psl9(struct cxl_context *ctx, u64 wed, u64 amr)
|
||||
{
|
||||
struct cxl_afu *afu = ctx->afu;
|
||||
int result;
|
||||
|
||||
/* fill the process element entry */
|
||||
result = process_element_entry_psl9(ctx, wed, amr);
|
||||
if (result)
|
||||
return result;
|
||||
|
||||
if (ctx->afu->adapter->native->sl_ops->update_dedicated_ivtes)
|
||||
afu->adapter->native->sl_ops->update_dedicated_ivtes(ctx);
|
||||
|
||||
result = cxl_ops->afu_reset(afu);
|
||||
if (result)
|
||||
return result;
|
||||
|
||||
return afu_enable(afu);
|
||||
}
|
||||
|
||||
int cxl_attach_dedicated_process_psl8(struct cxl_context *ctx, u64 wed, u64 amr)
|
||||
{
|
||||
struct cxl_afu *afu = ctx->afu;
|
||||
@ -887,6 +1053,21 @@ static int native_get_irq_info(struct cxl_afu *afu, struct cxl_irq_info *info)
|
||||
return 0;
|
||||
}
|
||||
|
||||
void cxl_native_irq_dump_regs_psl9(struct cxl_context *ctx)
|
||||
{
|
||||
u64 fir1, fir2, serr;
|
||||
|
||||
fir1 = cxl_p1_read(ctx->afu->adapter, CXL_PSL9_FIR1);
|
||||
fir2 = cxl_p1_read(ctx->afu->adapter, CXL_PSL9_FIR2);
|
||||
|
||||
dev_crit(&ctx->afu->dev, "PSL_FIR1: 0x%016llx\n", fir1);
|
||||
dev_crit(&ctx->afu->dev, "PSL_FIR2: 0x%016llx\n", fir2);
|
||||
if (ctx->afu->adapter->native->sl_ops->register_serr_irq) {
|
||||
serr = cxl_p1n_read(ctx->afu, CXL_PSL_SERR_An);
|
||||
cxl_afu_decode_psl_serr(ctx->afu, serr);
|
||||
}
|
||||
}
|
||||
|
||||
void cxl_native_irq_dump_regs_psl8(struct cxl_context *ctx)
|
||||
{
|
||||
u64 fir1, fir2, fir_slice, serr, afu_debug;
|
||||
@ -923,9 +1104,20 @@ static irqreturn_t native_handle_psl_slice_error(struct cxl_context *ctx,
|
||||
return cxl_ops->ack_irq(ctx, 0, errstat);
|
||||
}
|
||||
|
||||
static bool cxl_is_translation_fault(struct cxl_afu *afu, u64 dsisr)
|
||||
{
|
||||
if ((cxl_is_psl8(afu)) && (dsisr & CXL_PSL_DSISR_TRANS))
|
||||
return true;
|
||||
|
||||
if ((cxl_is_psl9(afu)) && (dsisr & CXL_PSL9_DSISR_An_TF))
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
irqreturn_t cxl_fail_irq_psl(struct cxl_afu *afu, struct cxl_irq_info *irq_info)
|
||||
{
|
||||
if (irq_info->dsisr & CXL_PSL_DSISR_TRANS)
|
||||
if (cxl_is_translation_fault(afu, irq_info->dsisr))
|
||||
cxl_p2n_write(afu, CXL_PSL_TFC_An, CXL_PSL_TFC_An_AE);
|
||||
else
|
||||
cxl_p2n_write(afu, CXL_PSL_TFC_An, CXL_PSL_TFC_An_A);
|
||||
@ -994,6 +1186,9 @@ static void native_irq_wait(struct cxl_context *ctx)
|
||||
if (cxl_is_psl8(ctx->afu) &&
|
||||
((dsisr & CXL_PSL_DSISR_PENDING) == 0))
|
||||
return;
|
||||
if (cxl_is_psl9(ctx->afu) &&
|
||||
((dsisr & CXL_PSL9_DSISR_PENDING) == 0))
|
||||
return;
|
||||
/*
|
||||
* We are waiting for the workqueue to process our
|
||||
* irq, so need to let that run here.
|
||||
@ -1122,6 +1317,13 @@ int cxl_native_register_serr_irq(struct cxl_afu *afu)
|
||||
serr = cxl_p1n_read(afu, CXL_PSL_SERR_An);
|
||||
if (cxl_is_power8())
|
||||
serr = (serr & 0x00ffffffffff0000ULL) | (afu->serr_hwirq & 0xffff);
|
||||
if (cxl_is_power9()) {
|
||||
/*
|
||||
* By default, all errors are masked. So don't set all masks.
|
||||
* Slice errors will be transfered.
|
||||
*/
|
||||
serr = (serr & ~0xff0000007fffffffULL) | (afu->serr_hwirq & 0xffff);
|
||||
}
|
||||
cxl_p1n_write(afu, CXL_PSL_SERR_An, serr);
|
||||
|
||||
return 0;
|
||||
|
||||
@ -60,7 +60,7 @@
|
||||
#define CXL_VSEC_PROTOCOL_MASK 0xe0
|
||||
#define CXL_VSEC_PROTOCOL_1024TB 0x80
|
||||
#define CXL_VSEC_PROTOCOL_512TB 0x40
|
||||
#define CXL_VSEC_PROTOCOL_256TB 0x20 /* Power 8 uses this */
|
||||
#define CXL_VSEC_PROTOCOL_256TB 0x20 /* Power 8/9 uses this */
|
||||
#define CXL_VSEC_PROTOCOL_ENABLE 0x01
|
||||
|
||||
#define CXL_READ_VSEC_PSL_REVISION(dev, vsec, dest) \
|
||||
@ -326,14 +326,18 @@ static void dump_afu_descriptor(struct cxl_afu *afu)
|
||||
|
||||
#define P8_CAPP_UNIT0_ID 0xBA
|
||||
#define P8_CAPP_UNIT1_ID 0XBE
|
||||
#define P9_CAPP_UNIT0_ID 0xC0
|
||||
#define P9_CAPP_UNIT1_ID 0xE0
|
||||
|
||||
static u64 get_capp_unit_id(struct device_node *np)
|
||||
static int get_phb_index(struct device_node *np, u32 *phb_index)
|
||||
{
|
||||
u32 phb_index;
|
||||
|
||||
if (of_property_read_u32(np, "ibm,phb-index", &phb_index))
|
||||
return 0;
|
||||
if (of_property_read_u32(np, "ibm,phb-index", phb_index))
|
||||
return -ENODEV;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static u64 get_capp_unit_id(struct device_node *np, u32 phb_index)
|
||||
{
|
||||
/*
|
||||
* POWER 8:
|
||||
* - For chips other than POWER8NVL, we only have CAPP 0,
|
||||
@ -352,11 +356,27 @@ static u64 get_capp_unit_id(struct device_node *np)
|
||||
return P8_CAPP_UNIT1_ID;
|
||||
}
|
||||
|
||||
/*
|
||||
* POWER 9:
|
||||
* PEC0 (PHB0). Capp ID = CAPP0 (0b1100_0000)
|
||||
* PEC1 (PHB1 - PHB2). No capi mode
|
||||
* PEC2 (PHB3 - PHB4 - PHB5): Capi mode on PHB3 only. Capp ID = CAPP1 (0b1110_0000)
|
||||
*/
|
||||
if (cxl_is_power9()) {
|
||||
if (phb_index == 0)
|
||||
return P9_CAPP_UNIT0_ID;
|
||||
|
||||
if (phb_index == 3)
|
||||
return P9_CAPP_UNIT1_ID;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int calc_capp_routing(struct pci_dev *dev, u64 *chipid, u64 *capp_unit_id)
|
||||
static int calc_capp_routing(struct pci_dev *dev, u64 *chipid,
|
||||
u32 *phb_index, u64 *capp_unit_id)
|
||||
{
|
||||
int rc;
|
||||
struct device_node *np;
|
||||
const __be32 *prop;
|
||||
|
||||
@ -367,8 +387,16 @@ static int calc_capp_routing(struct pci_dev *dev, u64 *chipid, u64 *capp_unit_id
|
||||
np = of_get_next_parent(np);
|
||||
if (!np)
|
||||
return -ENODEV;
|
||||
|
||||
*chipid = be32_to_cpup(prop);
|
||||
*capp_unit_id = get_capp_unit_id(np);
|
||||
|
||||
rc = get_phb_index(np, phb_index);
|
||||
if (rc) {
|
||||
pr_err("cxl: invalid phb index\n");
|
||||
return rc;
|
||||
}
|
||||
|
||||
*capp_unit_id = get_capp_unit_id(np, *phb_index);
|
||||
of_node_put(np);
|
||||
if (!*capp_unit_id) {
|
||||
pr_err("cxl: invalid capp unit id\n");
|
||||
@ -378,14 +406,104 @@ static int calc_capp_routing(struct pci_dev *dev, u64 *chipid, u64 *capp_unit_id
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int init_implementation_adapter_regs_psl9(struct cxl *adapter, struct pci_dev *dev)
|
||||
{
|
||||
u64 xsl_dsnctl, psl_fircntl;
|
||||
u64 chipid;
|
||||
u32 phb_index;
|
||||
u64 capp_unit_id;
|
||||
int rc;
|
||||
|
||||
rc = calc_capp_routing(dev, &chipid, &phb_index, &capp_unit_id);
|
||||
if (rc)
|
||||
return rc;
|
||||
|
||||
/*
|
||||
* CAPI Identifier bits [0:7]
|
||||
* bit 61:60 MSI bits --> 0
|
||||
* bit 59 TVT selector --> 0
|
||||
*/
|
||||
|
||||
/*
|
||||
* Tell XSL where to route data to.
|
||||
* The field chipid should match the PHB CAPI_CMPM register
|
||||
*/
|
||||
xsl_dsnctl = ((u64)0x2 << (63-7)); /* Bit 57 */
|
||||
xsl_dsnctl |= (capp_unit_id << (63-15));
|
||||
|
||||
/* nMMU_ID Defaults to: b’000001001’*/
|
||||
xsl_dsnctl |= ((u64)0x09 << (63-28));
|
||||
|
||||
if (cxl_is_power9() && !cpu_has_feature(CPU_FTR_POWER9_DD1)) {
|
||||
/*
|
||||
* Used to identify CAPI packets which should be sorted into
|
||||
* the Non-Blocking queues by the PHB. This field should match
|
||||
* the PHB PBL_NBW_CMPM register
|
||||
* nbwind=0x03, bits [57:58], must include capi indicator.
|
||||
* Not supported on P9 DD1.
|
||||
*/
|
||||
xsl_dsnctl |= ((u64)0x03 << (63-47));
|
||||
|
||||
/*
|
||||
* Upper 16b address bits of ASB_Notify messages sent to the
|
||||
* system. Need to match the PHB’s ASN Compare/Mask Register.
|
||||
* Not supported on P9 DD1.
|
||||
*/
|
||||
xsl_dsnctl |= ((u64)0x04 << (63-55));
|
||||
}
|
||||
|
||||
cxl_p1_write(adapter, CXL_XSL9_DSNCTL, xsl_dsnctl);
|
||||
|
||||
/* Set fir_cntl to recommended value for production env */
|
||||
psl_fircntl = (0x2ULL << (63-3)); /* ce_report */
|
||||
psl_fircntl |= (0x1ULL << (63-6)); /* FIR_report */
|
||||
psl_fircntl |= 0x1ULL; /* ce_thresh */
|
||||
cxl_p1_write(adapter, CXL_PSL9_FIR_CNTL, psl_fircntl);
|
||||
|
||||
/* vccredits=0x1 pcklat=0x4 */
|
||||
cxl_p1_write(adapter, CXL_PSL9_DSNDCTL, 0x0000000000001810ULL);
|
||||
|
||||
/*
|
||||
* For debugging with trace arrays.
|
||||
* Configure RX trace 0 segmented mode.
|
||||
* Configure CT trace 0 segmented mode.
|
||||
* Configure LA0 trace 0 segmented mode.
|
||||
* Configure LA1 trace 0 segmented mode.
|
||||
*/
|
||||
cxl_p1_write(adapter, CXL_PSL9_TRACECFG, 0x8040800080000000ULL);
|
||||
cxl_p1_write(adapter, CXL_PSL9_TRACECFG, 0x8040800080000003ULL);
|
||||
cxl_p1_write(adapter, CXL_PSL9_TRACECFG, 0x8040800080000005ULL);
|
||||
cxl_p1_write(adapter, CXL_PSL9_TRACECFG, 0x8040800080000006ULL);
|
||||
|
||||
/*
|
||||
* A response to an ASB_Notify request is returned by the
|
||||
* system as an MMIO write to the address defined in
|
||||
* the PSL_TNR_ADDR register
|
||||
*/
|
||||
/* PSL_TNR_ADDR */
|
||||
|
||||
/* NORST */
|
||||
cxl_p1_write(adapter, CXL_PSL9_DEBUG, 0x8000000000000000ULL);
|
||||
|
||||
/* allocate the apc machines */
|
||||
cxl_p1_write(adapter, CXL_PSL9_APCDEDTYPE, 0x40000003FFFF0000ULL);
|
||||
|
||||
/* Disable vc dd1 fix */
|
||||
if ((cxl_is_power9() && cpu_has_feature(CPU_FTR_POWER9_DD1)))
|
||||
cxl_p1_write(adapter, CXL_PSL9_GP_CT, 0x0400000000000001ULL);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int init_implementation_adapter_regs_psl8(struct cxl *adapter, struct pci_dev *dev)
|
||||
{
|
||||
u64 psl_dsnctl, psl_fircntl;
|
||||
u64 chipid;
|
||||
u32 phb_index;
|
||||
u64 capp_unit_id;
|
||||
int rc;
|
||||
|
||||
rc = calc_capp_routing(dev, &chipid, &capp_unit_id);
|
||||
rc = calc_capp_routing(dev, &chipid, &phb_index, &capp_unit_id);
|
||||
if (rc)
|
||||
return rc;
|
||||
|
||||
@ -414,10 +532,11 @@ static int init_implementation_adapter_regs_xsl(struct cxl *adapter, struct pci_
|
||||
{
|
||||
u64 xsl_dsnctl;
|
||||
u64 chipid;
|
||||
u32 phb_index;
|
||||
u64 capp_unit_id;
|
||||
int rc;
|
||||
|
||||
rc = calc_capp_routing(dev, &chipid, &capp_unit_id);
|
||||
rc = calc_capp_routing(dev, &chipid, &phb_index, &capp_unit_id);
|
||||
if (rc)
|
||||
return rc;
|
||||
|
||||
@ -435,6 +554,12 @@ static int init_implementation_adapter_regs_xsl(struct cxl *adapter, struct pci_
|
||||
/* For the PSL this is a multiple for 0 < n <= 7: */
|
||||
#define PSL_2048_250MHZ_CYCLES 1
|
||||
|
||||
static void write_timebase_ctrl_psl9(struct cxl *adapter)
|
||||
{
|
||||
cxl_p1_write(adapter, CXL_PSL9_TB_CTLSTAT,
|
||||
TBSYNC_CNT(2 * PSL_2048_250MHZ_CYCLES));
|
||||
}
|
||||
|
||||
static void write_timebase_ctrl_psl8(struct cxl *adapter)
|
||||
{
|
||||
cxl_p1_write(adapter, CXL_PSL_TB_CTLSTAT,
|
||||
@ -456,6 +581,11 @@ static void write_timebase_ctrl_xsl(struct cxl *adapter)
|
||||
TBSYNC_CNT(XSL_4000_CLOCKS));
|
||||
}
|
||||
|
||||
static u64 timebase_read_psl9(struct cxl *adapter)
|
||||
{
|
||||
return cxl_p1_read(adapter, CXL_PSL9_Timebase);
|
||||
}
|
||||
|
||||
static u64 timebase_read_psl8(struct cxl *adapter)
|
||||
{
|
||||
return cxl_p1_read(adapter, CXL_PSL_Timebase);
|
||||
@ -514,6 +644,11 @@ static void cxl_setup_psl_timebase(struct cxl *adapter, struct pci_dev *dev)
|
||||
return;
|
||||
}
|
||||
|
||||
static int init_implementation_afu_regs_psl9(struct cxl_afu *afu)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int init_implementation_afu_regs_psl8(struct cxl_afu *afu)
|
||||
{
|
||||
/* read/write masks for this slice */
|
||||
@ -612,7 +747,7 @@ static int setup_cxl_bars(struct pci_dev *dev)
|
||||
/*
|
||||
* BAR 4/5 has a special meaning for CXL and must be programmed with a
|
||||
* special value corresponding to the CXL protocol address range.
|
||||
* For POWER 8 that means bits 48:49 must be set to 10
|
||||
* For POWER 8/9 that means bits 48:49 must be set to 10
|
||||
*/
|
||||
pci_write_config_dword(dev, PCI_BASE_ADDRESS_4, 0x00000000);
|
||||
pci_write_config_dword(dev, PCI_BASE_ADDRESS_5, 0x00020000);
|
||||
@ -997,6 +1132,52 @@ static int cxl_afu_descriptor_looks_ok(struct cxl_afu *afu)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sanitise_afu_regs_psl9(struct cxl_afu *afu)
|
||||
{
|
||||
u64 reg;
|
||||
|
||||
/*
|
||||
* Clear out any regs that contain either an IVTE or address or may be
|
||||
* waiting on an acknowledgment to try to be a bit safer as we bring
|
||||
* it online
|
||||
*/
|
||||
reg = cxl_p2n_read(afu, CXL_AFU_Cntl_An);
|
||||
if ((reg & CXL_AFU_Cntl_An_ES_MASK) != CXL_AFU_Cntl_An_ES_Disabled) {
|
||||
dev_warn(&afu->dev, "WARNING: AFU was not disabled: %#016llx\n", reg);
|
||||
if (cxl_ops->afu_reset(afu))
|
||||
return -EIO;
|
||||
if (cxl_afu_disable(afu))
|
||||
return -EIO;
|
||||
if (cxl_psl_purge(afu))
|
||||
return -EIO;
|
||||
}
|
||||
cxl_p1n_write(afu, CXL_PSL_SPAP_An, 0x0000000000000000);
|
||||
cxl_p1n_write(afu, CXL_PSL_AMBAR_An, 0x0000000000000000);
|
||||
reg = cxl_p2n_read(afu, CXL_PSL_DSISR_An);
|
||||
if (reg) {
|
||||
dev_warn(&afu->dev, "AFU had pending DSISR: %#016llx\n", reg);
|
||||
if (reg & CXL_PSL9_DSISR_An_TF)
|
||||
cxl_p2n_write(afu, CXL_PSL_TFC_An, CXL_PSL_TFC_An_AE);
|
||||
else
|
||||
cxl_p2n_write(afu, CXL_PSL_TFC_An, CXL_PSL_TFC_An_A);
|
||||
}
|
||||
if (afu->adapter->native->sl_ops->register_serr_irq) {
|
||||
reg = cxl_p1n_read(afu, CXL_PSL_SERR_An);
|
||||
if (reg) {
|
||||
if (reg & ~0x000000007fffffff)
|
||||
dev_warn(&afu->dev, "AFU had pending SERR: %#016llx\n", reg);
|
||||
cxl_p1n_write(afu, CXL_PSL_SERR_An, reg & ~0xffff);
|
||||
}
|
||||
}
|
||||
reg = cxl_p2n_read(afu, CXL_PSL_ErrStat_An);
|
||||
if (reg) {
|
||||
dev_warn(&afu->dev, "AFU had pending error status: %#016llx\n", reg);
|
||||
cxl_p2n_write(afu, CXL_PSL_ErrStat_An, reg);
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int sanitise_afu_regs_psl8(struct cxl_afu *afu)
|
||||
{
|
||||
u64 reg;
|
||||
@ -1254,10 +1435,10 @@ int cxl_pci_reset(struct cxl *adapter)
|
||||
|
||||
/*
|
||||
* The adapter is about to be reset, so ignore errors.
|
||||
* Not supported on P9 DD1 but don't forget to enable it
|
||||
* on P9 DD2
|
||||
* Not supported on P9 DD1
|
||||
*/
|
||||
if (cxl_is_power8())
|
||||
if ((cxl_is_power8()) ||
|
||||
((cxl_is_power9() && !cpu_has_feature(CPU_FTR_POWER9_DD1))))
|
||||
cxl_data_cache_flush(adapter);
|
||||
|
||||
/* pcie_warm_reset requests a fundamental pci reset which includes a
|
||||
@ -1393,6 +1574,9 @@ static bool cxl_compatible_caia_version(struct cxl *adapter)
|
||||
if (cxl_is_power8() && (adapter->caia_major == 1))
|
||||
return true;
|
||||
|
||||
if (cxl_is_power9() && (adapter->caia_major == 2))
|
||||
return true;
|
||||
|
||||
return false;
|
||||
}
|
||||
|
||||
@ -1460,8 +1644,12 @@ static int sanitise_adapter_regs(struct cxl *adapter)
|
||||
/* Clear PSL tberror bit by writing 1 to it */
|
||||
cxl_p1_write(adapter, CXL_PSL_ErrIVTE, CXL_PSL_ErrIVTE_tberror);
|
||||
|
||||
if (adapter->native->sl_ops->invalidate_all)
|
||||
if (adapter->native->sl_ops->invalidate_all) {
|
||||
/* do not invalidate ERAT entries when not reloading on PERST */
|
||||
if (cxl_is_power9() && (adapter->perst_loads_image))
|
||||
return 0;
|
||||
rc = adapter->native->sl_ops->invalidate_all(adapter);
|
||||
}
|
||||
|
||||
return rc;
|
||||
}
|
||||
@ -1546,6 +1734,30 @@ static void cxl_deconfigure_adapter(struct cxl *adapter)
|
||||
pci_disable_device(pdev);
|
||||
}
|
||||
|
||||
static const struct cxl_service_layer_ops psl9_ops = {
|
||||
.adapter_regs_init = init_implementation_adapter_regs_psl9,
|
||||
.invalidate_all = cxl_invalidate_all_psl9,
|
||||
.afu_regs_init = init_implementation_afu_regs_psl9,
|
||||
.sanitise_afu_regs = sanitise_afu_regs_psl9,
|
||||
.register_serr_irq = cxl_native_register_serr_irq,
|
||||
.release_serr_irq = cxl_native_release_serr_irq,
|
||||
.handle_interrupt = cxl_irq_psl9,
|
||||
.fail_irq = cxl_fail_irq_psl,
|
||||
.activate_dedicated_process = cxl_activate_dedicated_process_psl9,
|
||||
.attach_afu_directed = cxl_attach_afu_directed_psl9,
|
||||
.attach_dedicated_process = cxl_attach_dedicated_process_psl9,
|
||||
.update_dedicated_ivtes = cxl_update_dedicated_ivtes_psl9,
|
||||
.debugfs_add_adapter_regs = cxl_debugfs_add_adapter_regs_psl9,
|
||||
.debugfs_add_afu_regs = cxl_debugfs_add_afu_regs_psl9,
|
||||
.psl_irq_dump_registers = cxl_native_irq_dump_regs_psl9,
|
||||
.err_irq_dump_registers = cxl_native_err_irq_dump_regs,
|
||||
.debugfs_stop_trace = cxl_stop_trace_psl9,
|
||||
.write_timebase_ctrl = write_timebase_ctrl_psl9,
|
||||
.timebase_read = timebase_read_psl9,
|
||||
.capi_mode = OPAL_PHB_CAPI_MODE_CAPI,
|
||||
.needs_reset_before_disable = true,
|
||||
};
|
||||
|
||||
static const struct cxl_service_layer_ops psl8_ops = {
|
||||
.adapter_regs_init = init_implementation_adapter_regs_psl8,
|
||||
.invalidate_all = cxl_invalidate_all_psl8,
|
||||
@ -1597,6 +1809,9 @@ static void set_sl_ops(struct cxl *adapter, struct pci_dev *dev)
|
||||
if (cxl_is_power8()) {
|
||||
dev_info(&dev->dev, "Device uses a PSL8\n");
|
||||
adapter->native->sl_ops = &psl8_ops;
|
||||
} else {
|
||||
dev_info(&dev->dev, "Device uses a PSL9\n");
|
||||
adapter->native->sl_ops = &psl9_ops;
|
||||
}
|
||||
}
|
||||
}
|
||||
@ -1667,8 +1882,13 @@ static void cxl_pci_remove_adapter(struct cxl *adapter)
|
||||
cxl_sysfs_adapter_remove(adapter);
|
||||
cxl_debugfs_adapter_remove(adapter);
|
||||
|
||||
/* Flush adapter datacache as its about to be removed */
|
||||
cxl_data_cache_flush(adapter);
|
||||
/*
|
||||
* Flush adapter datacache as its about to be removed.
|
||||
* Not supported on P9 DD1.
|
||||
*/
|
||||
if ((cxl_is_power8()) ||
|
||||
((cxl_is_power9() && !cpu_has_feature(CPU_FTR_POWER9_DD1))))
|
||||
cxl_data_cache_flush(adapter);
|
||||
|
||||
cxl_deconfigure_adapter(adapter);
|
||||
|
||||
@ -1752,6 +1972,11 @@ static int cxl_probe(struct pci_dev *dev, const struct pci_device_id *id)
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
if (cxl_is_power9() && !radix_enabled()) {
|
||||
dev_info(&dev->dev, "Only Radix mode supported\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
if (cxl_verbose)
|
||||
dump_cxl_config_space(dev);
|
||||
|
||||
|
||||
@ -17,6 +17,15 @@
|
||||
|
||||
#include "cxl.h"
|
||||
|
||||
#define dsisr_psl9_flags(flags) \
|
||||
__print_flags(flags, "|", \
|
||||
{ CXL_PSL9_DSISR_An_CO_MASK, "FR" }, \
|
||||
{ CXL_PSL9_DSISR_An_TF, "TF" }, \
|
||||
{ CXL_PSL9_DSISR_An_PE, "PE" }, \
|
||||
{ CXL_PSL9_DSISR_An_AE, "AE" }, \
|
||||
{ CXL_PSL9_DSISR_An_OC, "OC" }, \
|
||||
{ CXL_PSL9_DSISR_An_S, "S" })
|
||||
|
||||
#define DSISR_FLAGS \
|
||||
{ CXL_PSL_DSISR_An_DS, "DS" }, \
|
||||
{ CXL_PSL_DSISR_An_DM, "DM" }, \
|
||||
@ -154,6 +163,40 @@ TRACE_EVENT(cxl_afu_irq,
|
||||
)
|
||||
);
|
||||
|
||||
TRACE_EVENT(cxl_psl9_irq,
|
||||
TP_PROTO(struct cxl_context *ctx, int irq, u64 dsisr, u64 dar),
|
||||
|
||||
TP_ARGS(ctx, irq, dsisr, dar),
|
||||
|
||||
TP_STRUCT__entry(
|
||||
__field(u8, card)
|
||||
__field(u8, afu)
|
||||
__field(u16, pe)
|
||||
__field(int, irq)
|
||||
__field(u64, dsisr)
|
||||
__field(u64, dar)
|
||||
),
|
||||
|
||||
TP_fast_assign(
|
||||
__entry->card = ctx->afu->adapter->adapter_num;
|
||||
__entry->afu = ctx->afu->slice;
|
||||
__entry->pe = ctx->pe;
|
||||
__entry->irq = irq;
|
||||
__entry->dsisr = dsisr;
|
||||
__entry->dar = dar;
|
||||
),
|
||||
|
||||
TP_printk("afu%i.%i pe=%i irq=%i dsisr=0x%016llx dsisr=%s dar=0x%016llx",
|
||||
__entry->card,
|
||||
__entry->afu,
|
||||
__entry->pe,
|
||||
__entry->irq,
|
||||
__entry->dsisr,
|
||||
dsisr_psl9_flags(__entry->dsisr),
|
||||
__entry->dar
|
||||
)
|
||||
);
|
||||
|
||||
TRACE_EVENT(cxl_psl_irq,
|
||||
TP_PROTO(struct cxl_context *ctx, int irq, u64 dsisr, u64 dar),
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user