From: Michael Neuling <mikey@neuling.org>
To: mpe@ellerman.id.au, benh@kernel.crashing.org
Cc: imunsie@au.ibm.com, linuxppc-dev@ozlabs.org, mikey@neuling.org,
Daniel Axtens <dja@axtens.net>,
"Matthew R. Ochs" <mrochs@linux.vnet.ibm.com>,
"Manoj N. Kumar" <manoj@linux.vnet.ibm.com>,
brking@linux.vnet.ibm.com
Subject: [PATCH v3 12/24] cxl: Dump debug info on the AFU configuration record
Date: Wed, 27 May 2015 16:07:06 +1000 [thread overview]
Message-ID: <1432706838-20794-13-git-send-email-mikey@neuling.org> (raw)
In-Reply-To: <1432706838-20794-1-git-send-email-mikey@neuling.org>
Now that we parse the AFU Configuration record, dump some info on it when in
debug mode.
Signed-off-by: Michael Neuling <mikey@neuling.org>
Acked-by: Ian Munsie <imunsie@au1.ibm.com>
---
drivers/misc/cxl/pci.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/cxl/pci.c b/drivers/misc/cxl/pci.c
index 0d429b0..f837d1b 100644
--- a/drivers/misc/cxl/pci.c
+++ b/drivers/misc/cxl/pci.c
@@ -90,6 +90,7 @@
/* This works a little different than the p1/p2 register accesses to make it
* easier to pull out individual fields */
#define AFUD_READ(afu, off) in_be64(afu->afu_desc_mmio + off)
+#define AFUD_READ_LE(afu, off) in_le64(afu->afu_desc_mmio + off)
#define EXTRACT_PPC_BIT(val, bit) (!!(val & PPC_BIT(bit)))
#define EXTRACT_PPC_BITS(val, bs, be) ((val & PPC_BITMASK(bs, be)) >> PPC_BITLSHIFT(be))
@@ -286,7 +287,8 @@ static void dump_cxl_config_space(struct pci_dev *dev)
static void dump_afu_descriptor(struct cxl_afu *afu)
{
- u64 val;
+ u64 val, afu_cr_num, afu_cr_off, afu_cr_len;
+ int i;
#define show_reg(name, what) \
dev_info(&afu->dev, "afu desc: %30s: %#llx\n", name, what)
@@ -296,6 +298,7 @@ static void dump_afu_descriptor(struct cxl_afu *afu)
show_reg("num_of_processes", AFUD_NUM_PROCS(val));
show_reg("num_of_afu_CRs", AFUD_NUM_CRS(val));
show_reg("req_prog_mode", val & 0xffffULL);
+ afu_cr_num = AFUD_NUM_CRS(val);
val = AFUD_READ(afu, 0x8);
show_reg("Reserved", val);
@@ -307,8 +310,10 @@ static void dump_afu_descriptor(struct cxl_afu *afu)
val = AFUD_READ_CR(afu);
show_reg("Reserved", (val >> (63-7)) & 0xff);
show_reg("AFU_CR_len", AFUD_CR_LEN(val));
+ afu_cr_len = AFUD_CR_LEN(val) * 256;
val = AFUD_READ_CR_OFF(afu);
+ afu_cr_off = val;
show_reg("AFU_CR_offset", val);
val = AFUD_READ_PPPSA(afu);
@@ -325,6 +330,11 @@ static void dump_afu_descriptor(struct cxl_afu *afu)
val = AFUD_READ_EB_OFF(afu);
show_reg("AFU_EB_offset", val);
+ for (i = 0; i < afu_cr_num; i++) {
+ val = AFUD_READ_LE(afu, afu_cr_off + i * afu_cr_len);
+ show_reg("CR Vendor", val & 0xffff);
+ show_reg("CR Device", (val >> 16) & 0xffff);
+ }
#undef show_reg
}
--
2.1.0
next prev parent reply other threads:[~2015-05-27 6:07 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-05-27 6:06 [PATCH v3 00/24] cxl: Add AFU virtual PHB and in kernel API Michael Neuling
2015-05-27 6:06 ` [PATCH v3 01/24] powerpc/copro: Fix faulting kernel segments Michael Neuling
2015-05-27 6:06 ` [PATCH v3 02/24] powerpc/pci: Export symbols for CXL Michael Neuling
2015-05-27 6:06 ` [PATCH v3 03/24] powerpc/pci: Add release_device() hook to phb ops Michael Neuling
2015-05-27 6:06 ` [PATCH v3 04/24] powerpc: Add cxl context to device archdata Michael Neuling
2015-05-27 6:06 ` [PATCH v3 05/24] powerpc/pci: Add shutdown hook to pci_controller_ops Michael Neuling
2015-05-27 6:07 ` [PATCH v3 06/24] powerpc/pci: Add pcibios_disable_device() hook Michael Neuling
2015-05-27 6:07 ` [PATCH v3 07/24] cxl: Document external user of existing API Michael Neuling
2015-05-27 6:07 ` [PATCH v3 08/24] cxl: Add shutdown hook Michael Neuling
2015-05-27 6:07 ` [PATCH v3 09/24] cxl: Remove unnecessarily verbose print in cxl_remove() Michael Neuling
2015-05-27 6:07 ` [PATCH v3 10/24] cxl: Re-order card init to check the VSEC earlier Michael Neuling
2015-05-27 6:07 ` [PATCH v3 11/24] cxl: Fix error path on probe Michael Neuling
2015-05-27 6:07 ` Michael Neuling [this message]
2015-05-27 6:07 ` [PATCH v3 13/24] cxl: Add cookie parameter to afu_release_irqs() Michael Neuling
2015-05-27 6:07 ` [PATCH v3 14/24] cxl: Rework detach context functions Michael Neuling
2015-05-27 6:07 ` [PATCH v3 15/24] cxl: cxl_afu_reset() -> __cxl_afu_reset() Michael Neuling
2015-05-27 6:07 ` [PATCH v3 16/24] cxl: Export some symbols Michael Neuling
2015-05-27 6:07 ` [PATCH v3 17/24] cxl: Only check pid for userspace contexts Michael Neuling
2015-05-27 6:07 ` [PATCH v3 18/24] cxl: Split afu_register_irqs() function Michael Neuling
2015-05-27 6:07 ` [PATCH v3 19/24] cxl: Configure PSL for kernel contexts and merge code Michael Neuling
2015-05-27 6:07 ` [PATCH v3 20/24] cxl: Rework context lifetimes Michael Neuling
2015-05-27 6:07 ` [PATCH v3 21/24] cxl: Cleanup Makefile Michael Neuling
2015-05-27 6:07 ` [PATCH v3 22/24] cxl: Move include file cxl.h -> cxl-base.h Michael Neuling
2015-05-27 6:07 ` [PATCH v3 23/24] cxl: Export file ops for use by API Michael Neuling
2015-05-27 6:07 ` [PATCH v3 24/24] cxl: Add AFU virtual PHB and kernel API Michael Neuling
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