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| author |   Christophe Lombard <clombard@linux.vnet.ibm.com> | 2016-03-04 12:26:42 +0100 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2016-03-09 23:40:01 +1100 |
| commit | e7a801ad154593e9fed2e0de6820eb266db6766b (patch) | |
| tree | 8f9a077dd3bf9a63b1af9ab8f0e5662f05c087fe /drivers/misc/cxl/hcalls.c | |
| parent | cxl: Adapter failure handling (diff) | |
| download | linux-dev-e7a801ad154593e9fed2e0de6820eb266db6766b.tar.xz linux-dev-e7a801ad154593e9fed2e0de6820eb266db6766b.zip | |
cxl: Add tracepoints around the cxl hcall
To ease debugging, add a few tracepoints around the cxl hcalls.
Co-authored-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Frederic Barrat <fbarrat@linux.vnet.ibm.com>
Signed-off-by: Christophe Lombard <clombard@linux.vnet.ibm.com>
Reviewed-by: Manoj Kumar <manoj@linux.vnet.ibm.com>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'drivers/misc/cxl/hcalls.c')
| -rw-r--r-- | drivers/misc/cxl/hcalls.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/misc/cxl/hcalls.c b/drivers/misc/cxl/hcalls.c index 24131e2537c5..d6d11f4056d7 100644 --- a/drivers/misc/cxl/hcalls.c +++ b/drivers/misc/cxl/hcalls.c @@ -13,6 +13,7 @@ #include <linux/delay.h> #include <asm/byteorder.h> #include "hcalls.h" +#include "trace.h" #define CXL_HCALL_TIMEOUT 60000 #define CXL_HCALL_TIMEOUT_DOWNLOAD 120000 @@ -141,6 +142,7 @@ long cxl_h_attach_process(u64 unit_address, CXL_H_WAIT_UNTIL_DONE(rc, retbuf, H_ATTACH_CA_PROCESS, unit_address, virt_to_phys(element)); _PRINT_MSG(rc, "cxl_h_attach_process(%#.16llx, %#.16lx): %li\n", unit_address, virt_to_phys(element), rc); + trace_cxl_hcall_attach(unit_address, virt_to_phys(element), retbuf[0], retbuf[1], retbuf[2], rc); pr_devel("token: 0x%.8lx mmio_addr: 0x%lx mmio_size: 0x%lx\nProcess Element Structure:\n", retbuf[0], retbuf[1], retbuf[2]); @@ -180,6 +182,7 @@ long cxl_h_detach_process(u64 unit_address, u64 process_token) CXL_H_WAIT_UNTIL_DONE(rc, retbuf, H_DETACH_CA_PROCESS, unit_address, process_token); _PRINT_MSG(rc, "cxl_h_detach_process(%#.16llx, 0x%.8llx): %li\n", unit_address, process_token, rc); + trace_cxl_hcall_detach(unit_address, process_token, rc); switch (rc) { case H_SUCCESS: /* The process was detached from the coherent platform function */ @@ -212,6 +215,7 @@ static long cxl_h_control_function(u64 unit_address, u64 op, CXL_H9_WAIT_UNTIL_DONE(rc, retbuf, H_CONTROL_CA_FUNCTION, unit_address, op, p1, p2, p3, p4); _PRINT_MSG(rc, "cxl_h_control_function(%#.16llx, %s(%#llx, %#llx, %#llx, %#llx, R4: %#lx)): %li\n", unit_address, OP_STR_AFU(op), p1, p2, p3, p4, retbuf[0], rc); + trace_cxl_hcall_control_function(unit_address, OP_STR_AFU(op), p1, p2, p3, p4, retbuf[0], rc); switch (rc) { case H_SUCCESS: /* The operation is completed for the coherent platform function */ @@ -405,6 +409,7 @@ long cxl_h_collect_int_info(u64 unit_address, u64 process_token, unit_address, process_token); _PRINT_MSG(rc, "cxl_h_collect_int_info(%#.16llx, 0x%llx): %li\n", unit_address, process_token, rc); + trace_cxl_hcall_collect_int_info(unit_address, process_token, rc); switch (rc) { case H_SUCCESS: /* The interrupt info is returned in return registers. */ @@ -448,6 +453,8 @@ long cxl_h_control_faults(u64 unit_address, u64 process_token, _PRINT_MSG(rc, "cxl_h_control_faults(%#.16llx, 0x%llx, %#llx, %#llx): %li (%#lx)\n", unit_address, process_token, control_mask, reset_mask, rc, retbuf[0]); + trace_cxl_hcall_control_faults(unit_address, process_token, + control_mask, reset_mask, retbuf[0], rc); switch (rc) { case H_SUCCESS: /* Faults were successfully controlled for the function. */ @@ -481,6 +488,7 @@ static long cxl_h_control_facility(u64 unit_address, u64 op, CXL_H9_WAIT_UNTIL_DONE(rc, retbuf, H_CONTROL_CA_FACILITY, unit_address, op, p1, p2, p3, p4); _PRINT_MSG(rc, "cxl_h_control_facility(%#.16llx, %s(%#llx, %#llx, %#llx, %#llx, R4: %#lx)): %li\n", unit_address, OP_STR_CONTROL_ADAPTER(op), p1, p2, p3, p4, retbuf[0], rc); + trace_cxl_hcall_control_facility(unit_address, OP_STR_CONTROL_ADAPTER(op), p1, p2, p3, p4, retbuf[0], rc); switch (rc) { case H_SUCCESS: /* The operation is completed for the coherent platform facility */ @@ -587,6 +595,7 @@ static long cxl_h_download_facility(u64 unit_address, u64 op, } _PRINT_MSG(rc, "cxl_h_download_facility(%#.16llx, %s(%#llx, %#llx), %#lx): %li\n", unit_address, OP_STR_DOWNLOAD_ADAPTER(op), list_address, num, retbuf[0], rc); + trace_cxl_hcall_download_facility(unit_address, OP_STR_DOWNLOAD_ADAPTER(op), list_address, num, retbuf[0], rc); switch (rc) { case H_SUCCESS: /* The operation is completed for the coherent platform facility */ |