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cxl/test: Standardize CXL auto region size

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Create a global define for the size of the mock CXL auto region used
in cxl_test. Remove the declared size in mock_init_hdm_decoder()
function.

Reviewed-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Tested-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Fabio M. De Francesco <fabio.m.de.francesco@linux.intel.com>
Link: https://patch.msgid.link/20251117144611.903692-2-dave.jiang@intel.com
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
This commit is contained in:
Dave Jiang
2025-11-17 07:46:09 -07:00
parent e9a6fb0bcd
commit fa59c35167
1 changed files with 7 additions and 4 deletions
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11
tools/testing/cxl/test/cxl.c
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@@ -26,6 +26,9 @@ static int interleave_arithmetic;
#define NR_CXL_PORT_DECODERS 8
#define NR_BRIDGES (NR_CXL_HOST_BRIDGES + NR_CXL_SINGLE_HOST + NR_CXL_RCH)
#define MOCK_AUTO_REGION_SIZE_DEFAULT SZ_512M
static int mock_auto_region_size = MOCK_AUTO_REGION_SIZE_DEFAULT;
static struct platform_device *cxl_acpi;
static struct platform_device *cxl_host_bridge[NR_CXL_HOST_BRIDGES];
#define NR_MULTI_ROOT (NR_CXL_HOST_BRIDGES * NR_CXL_ROOT_PORTS)
@@ -738,7 +741,6 @@ static void mock_init_hdm_decoder(struct cxl_decoder *cxld)
struct cxl_endpoint_decoder *cxled;
struct cxl_switch_decoder *cxlsd;
struct cxl_port *port, *iter;
const int size = SZ_512M;
struct cxl_memdev *cxlmd;
struct cxl_dport *dport;
struct device *dev;
@@ -783,7 +785,7 @@ static void mock_init_hdm_decoder(struct cxl_decoder *cxld)
base = window->base_hpa;
cxld->hpa_range = (struct range) {
.start = base,
.end = base + size - 1,
.end = base + mock_auto_region_size - 1,
};
cxld->interleave_ways = 2;
@@ -792,7 +794,8 @@ static void mock_init_hdm_decoder(struct cxl_decoder *cxld)
cxld->flags = CXL_DECODER_F_ENABLE;
cxled->state = CXL_DECODER_STATE_AUTO;
port->commit_end = cxld->id;
devm_cxl_dpa_reserve(cxled, 0, size / cxld->interleave_ways, 0);
devm_cxl_dpa_reserve(cxled, 0,
mock_auto_region_size / cxld->interleave_ways, 0);
cxld->commit = mock_decoder_commit;
cxld->reset = mock_decoder_reset;
@@ -841,7 +844,7 @@ static void mock_init_hdm_decoder(struct cxl_decoder *cxld)
cxld->interleave_granularity = 4096;
cxld->hpa_range = (struct range) {
.start = base,
.end = base + size - 1,
.end = base + mock_auto_region_size - 1,
};
put_device(dev);
}